diff options
Diffstat (limited to 'binutils-2.24/gas/config/tc-score7.c')
| -rw-r--r-- | binutils-2.24/gas/config/tc-score7.c | 6972 |
1 files changed, 0 insertions, 6972 deletions
diff --git a/binutils-2.24/gas/config/tc-score7.c b/binutils-2.24/gas/config/tc-score7.c deleted file mode 100644 index 520bd070..00000000 --- a/binutils-2.24/gas/config/tc-score7.c +++ /dev/null @@ -1,6972 +0,0 @@ -/* tc-score7.c -- Assembler for Score7 - Copyright 2009, 2011, 2012 Free Software Foundation, Inc. - Contributed by: - Brain.lin (brain.lin@sunplusct.com) - Mei Ligang (ligang@sunnorth.com.cn) - Pei-Lin Tsai (pltsai@sunplus.com) - - This file is part of GAS, the GNU Assembler. - - GAS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - GAS is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with GAS; see the file COPYING. If not, write to the Free - Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - -#include "as.h" -#include "config.h" -#include "subsegs.h" -#include "safe-ctype.h" -#include "opcode/score-inst.h" -#include "struc-symbol.h" -#include "libiberty.h" - -#ifdef OBJ_ELF -#include "elf/score.h" -#include "dwarf2dbg.h" -#endif - -static void s7_do_ldst_insn (char *); -static void s7_do_crdcrscrsimm5 (char *); -static void s7_do_ldst_unalign (char *); -static void s7_do_ldst_atomic (char *); -static void s7_do_ldst_cop (char *); -static void s7_do_macro_li_rdi32 (char *); -static void s7_do_macro_la_rdi32 (char *); -static void s7_do_macro_rdi32hi (char *); -static void s7_do_macro_rdi32lo (char *); -static void s7_do_macro_mul_rdrsrs (char *); -static void s7_do_macro_ldst_label (char *); -static void s7_do_branch (char *); -static void s7_do_jump (char *); -static void s7_do_empty (char *); -static void s7_do_rdrsrs (char *); -static void s7_do_rdsi16 (char *); -static void s7_do_rdrssi14 (char *); -static void s7_do_sub_rdsi16 (char *); -static void s7_do_sub_rdrssi14 (char *); -static void s7_do_rdrsi5 (char *); -static void s7_do_rdrsi14 (char *); -static void s7_do_rdi16 (char *); -static void s7_do_xrsi5 (char *); -static void s7_do_rdrs (char *); -static void s7_do_rdxrs (char *); -static void s7_do_rsrs (char *); -static void s7_do_rdcrs (char *); -static void s7_do_rdsrs (char *); -static void s7_do_rd (char *); -static void s7_do_rs (char *); -static void s7_do_i15 (char *); -static void s7_do_xi5x (char *); -static void s7_do_ceinst (char *); -static void s7_do_cache (char *); -static void s7_do16_rdrs (char *); -static void s7_do16_rs (char *); -static void s7_do16_xrs (char *); -static void s7_do16_mv_rdrs (char *); -static void s7_do16_hrdrs (char *); -static void s7_do16_rdhrs (char *); -static void s7_do16_rdi4 (char *); -static void s7_do16_rdi5 (char *); -static void s7_do16_xi5 (char *); -static void s7_do16_ldst_insn (char *); -static void s7_do16_ldst_imm_insn (char *); -static void s7_do16_push_pop (char *); -static void s7_do16_branch (char *); -static void s7_do16_jump (char *); -static void s7_do_rdi16_pic (char *); -static void s7_do_addi_s_pic (char *); -static void s7_do_addi_u_pic (char *); -static void s7_do_lw_pic (char *); - -#define s7_GP 28 -#define s7_PIC_CALL_REG 29 -#define s7_MAX_LITERAL_POOL_SIZE 1024 -#define s7_FAIL 0x80000000 -#define s7_SUCCESS 0 -#define s7_INSN_SIZE 4 -#define s7_INSN16_SIZE 2 -#define s7_RELAX_INST_NUM 3 - -/* For score5u : div/mul will pop warning message, mmu/alw/asw will pop error message. */ -#define s7_BAD_ARGS _("bad arguments to instruction") -#define s7_ERR_FOR_SCORE5U_MUL_DIV _("div / mul are reserved instructions") -#define s7_ERR_FOR_SCORE5U_MMU _("This architecture doesn't support mmu") -#define s7_ERR_FOR_SCORE5U_ATOMIC _("This architecture doesn't support atomic instruction") -#define s7_BAD_SKIP_COMMA s7_BAD_ARGS -#define s7_BAD_GARBAGE _("garbage following instruction"); - -#define s7_skip_whitespace(str) while (*(str) == ' ') ++(str) - -/* The name of the readonly data section. */ -#define s7_RDATA_SECTION_NAME (OUTPUT_FLAVOR == bfd_target_aout_flavour \ - ? ".data" \ - : OUTPUT_FLAVOR == bfd_target_ecoff_flavour \ - ? ".rdata" \ - : OUTPUT_FLAVOR == bfd_target_coff_flavour \ - ? ".rdata" \ - : OUTPUT_FLAVOR == bfd_target_elf_flavour \ - ? ".rodata" \ - : (abort (), "")) - -#define s7_RELAX_ENCODE(old, new, type, reloc1, reloc2, opt) \ - ((relax_substateT) \ - (((old) << 23) \ - | ((new) << 16) \ - | ((type) << 9) \ - | ((reloc1) << 5) \ - | ((reloc2) << 1) \ - | ((opt) ? 1 : 0))) - -#define s7_RELAX_OLD(i) (((i) >> 23) & 0x7f) -#define s7_RELAX_NEW(i) (((i) >> 16) & 0x7f) -#define s7_RELAX_TYPE(i) (((i) >> 9) & 0x7f) -#define s7_RELAX_RELOC1(i) ((valueT) ((i) >> 5) & 0xf) -#define s7_RELAX_RELOC2(i) ((valueT) ((i) >> 1) & 0xf) -#define s7_RELAX_OPT(i) ((i) & 1) -#define s7_RELAX_OPT_CLEAR(i) ((i) & ~1) - -#define s7_SET_INSN_ERROR(s) (s7_inst.error = (s)) -#define s7_INSN_IS_PCE_P(s) (strstr (str, "||") != NULL) - -#define s7_GET_INSN_CLASS(type) (s7_get_insn_class_from_type (type)) - -#define s7_GET_INSN_SIZE(type) ((s7_GET_INSN_CLASS (type) == INSN_CLASS_16) \ - ? s7_INSN16_SIZE : s7_INSN_SIZE) - -#define s7_MAX_LITTLENUMS 6 -#define s7_INSN_NAME_LEN 16 - -/* Relax will need some padding for alignment. */ -#define s7_RELAX_PAD_BYTE 3 - -#define s7_USE_GLOBAL_POINTER_OPT 1 - - - -/* Enumeration matching entries in table above. */ -enum s7_score_reg_type -{ - s7_REG_TYPE_SCORE = 0, -#define REG_TYPE_FIRST s7_REG_TYPE_SCORE - s7_REG_TYPE_SCORE_SR = 1, - s7_REG_TYPE_SCORE_CR = 2, - s7_REG_TYPE_MAX = 3 -}; - -enum s7_score_pic_level -{ - s7_NO_PIC, - s7_PIC -}; -static enum s7_score_pic_level s7_score_pic = s7_NO_PIC; - -enum s7_insn_type_for_dependency -{ - s7_D_pce, - s7_D_cond_br, - s7_D_cond_mv, - s7_D_cached, - s7_D_cachei, - s7_D_ldst, - s7_D_ldcombine, - s7_D_mtcr, - s7_D_mfcr, - s7_D_mfsr, - s7_D_mftlb, - s7_D_mtptlb, - s7_D_mtrtlb, - s7_D_stlb, - s7_D_all_insn -}; - -struct s7_insn_to_dependency -{ - char *insn_name; - enum s7_insn_type_for_dependency type; -}; - -struct s7_data_dependency -{ - enum s7_insn_type_for_dependency pre_insn_type; - char pre_reg[6]; - enum s7_insn_type_for_dependency cur_insn_type; - char cur_reg[6]; - int bubblenum_7; - int bubblenum_5; - int warn_or_error; /* warning - 0; error - 1 */ -}; - -static const struct s7_insn_to_dependency s7_insn_to_dependency_table[] = -{ - /* pce instruction. */ - {"pce", s7_D_pce}, - /* conditional branch instruction. */ - {"bcs", s7_D_cond_br}, - {"bcc", s7_D_cond_br}, - {"bgtu", s7_D_cond_br}, - {"bleu", s7_D_cond_br}, - {"beq", s7_D_cond_br}, - {"bne", s7_D_cond_br}, - {"bgt", s7_D_cond_br}, - {"ble", s7_D_cond_br}, - {"bge", s7_D_cond_br}, - {"blt", s7_D_cond_br}, - {"bmi", s7_D_cond_br}, - {"bpl", s7_D_cond_br}, - {"bvs", s7_D_cond_br}, - {"bvc", s7_D_cond_br}, - {"bcsl", s7_D_cond_br}, - {"bccl", s7_D_cond_br}, - {"bgtul", s7_D_cond_br}, - {"bleul", s7_D_cond_br}, - {"beql", s7_D_cond_br}, - {"bnel", s7_D_cond_br}, - {"bgtl", s7_D_cond_br}, - {"blel", s7_D_cond_br}, - {"bgel", s7_D_cond_br}, - {"bltl", s7_D_cond_br}, - {"bmil", s7_D_cond_br}, - {"bpll", s7_D_cond_br}, - {"bvsl", s7_D_cond_br}, - {"bvcl", s7_D_cond_br}, - {"bcs!", s7_D_cond_br}, - {"bcc!", s7_D_cond_br}, - {"bgtu!", s7_D_cond_br}, - {"bleu!", s7_D_cond_br}, - {"beq!", s7_D_cond_br}, - {"bne!", s7_D_cond_br}, - {"bgt!", s7_D_cond_br}, - {"ble!", s7_D_cond_br}, - {"bge!", s7_D_cond_br}, - {"blt!", s7_D_cond_br}, - {"bmi!", s7_D_cond_br}, - {"bpl!", s7_D_cond_br}, - {"bvs!", s7_D_cond_br}, - {"bvc!", s7_D_cond_br}, - {"brcs", s7_D_cond_br}, - {"brcc", s7_D_cond_br}, - {"brgtu", s7_D_cond_br}, - {"brleu", s7_D_cond_br}, - {"breq", s7_D_cond_br}, - {"brne", s7_D_cond_br}, - {"brgt", s7_D_cond_br}, - {"brle", s7_D_cond_br}, - {"brge", s7_D_cond_br}, - {"brlt", s7_D_cond_br}, - {"brmi", s7_D_cond_br}, - {"brpl", s7_D_cond_br}, - {"brvs", s7_D_cond_br}, - {"brvc", s7_D_cond_br}, - {"brcsl", s7_D_cond_br}, - {"brccl", s7_D_cond_br}, - {"brgtul", s7_D_cond_br}, - {"brleul", s7_D_cond_br}, - {"breql", s7_D_cond_br}, - {"brnel", s7_D_cond_br}, - {"brgtl", s7_D_cond_br}, - {"brlel", s7_D_cond_br}, - {"brgel", s7_D_cond_br}, - {"brltl", s7_D_cond_br}, - {"brmil", s7_D_cond_br}, - {"brpll", s7_D_cond_br}, - {"brvsl", s7_D_cond_br}, - {"brvcl", s7_D_cond_br}, - {"brcs!", s7_D_cond_br}, - {"brcc!", s7_D_cond_br}, - {"brgtu!", s7_D_cond_br}, - {"brleu!", s7_D_cond_br}, - {"breq!", s7_D_cond_br}, - {"brne!", s7_D_cond_br}, - {"brgt!", s7_D_cond_br}, - {"brle!", s7_D_cond_br}, - {"brge!", s7_D_cond_br}, - {"brlt!", s7_D_cond_br}, - {"brmi!", s7_D_cond_br}, - {"brpl!", s7_D_cond_br}, - {"brvs!", s7_D_cond_br}, - {"brvc!", s7_D_cond_br}, - {"brcsl!", s7_D_cond_br}, - {"brccl!", s7_D_cond_br}, - {"brgtul!", s7_D_cond_br}, - {"brleul!", s7_D_cond_br}, - {"breql!", s7_D_cond_br}, - {"brnel!", s7_D_cond_br}, - {"brgtl!", s7_D_cond_br}, - {"brlel!", s7_D_cond_br}, - {"brgel!", s7_D_cond_br}, - {"brltl!", s7_D_cond_br}, - {"brmil!", s7_D_cond_br}, - {"brpll!", s7_D_cond_br}, - {"brvsl!", s7_D_cond_br}, - {"brvcl!", s7_D_cond_br}, - /* conditional move instruction. */ - {"mvcs", s7_D_cond_mv}, - {"mvcc", s7_D_cond_mv}, - {"mvgtu", s7_D_cond_mv}, - {"mvleu", s7_D_cond_mv}, - {"mveq", s7_D_cond_mv}, - {"mvne", s7_D_cond_mv}, - {"mvgt", s7_D_cond_mv}, - {"mvle", s7_D_cond_mv}, - {"mvge", s7_D_cond_mv}, - {"mvlt", s7_D_cond_mv}, - {"mvmi", s7_D_cond_mv}, - {"mvpl", s7_D_cond_mv}, - {"mvvs", s7_D_cond_mv}, - {"mvvc", s7_D_cond_mv}, - /* move spectial instruction. */ - {"mtcr", s7_D_mtcr}, - {"mftlb", s7_D_mftlb}, - {"mtptlb", s7_D_mtptlb}, - {"mtrtlb", s7_D_mtrtlb}, - {"stlb", s7_D_stlb}, - {"mfcr", s7_D_mfcr}, - {"mfsr", s7_D_mfsr}, - /* cache instruction. */ - {"cache 8", s7_D_cached}, - {"cache 9", s7_D_cached}, - {"cache 10", s7_D_cached}, - {"cache 11", s7_D_cached}, - {"cache 12", s7_D_cached}, - {"cache 13", s7_D_cached}, - {"cache 14", s7_D_cached}, - {"cache 24", s7_D_cached}, - {"cache 26", s7_D_cached}, - {"cache 27", s7_D_cached}, - {"cache 29", s7_D_cached}, - {"cache 30", s7_D_cached}, - {"cache 31", s7_D_cached}, - {"cache 0", s7_D_cachei}, - {"cache 1", s7_D_cachei}, - {"cache 2", s7_D_cachei}, - {"cache 3", s7_D_cachei}, - {"cache 4", s7_D_cachei}, - {"cache 16", s7_D_cachei}, - {"cache 17", s7_D_cachei}, - /* load/store instruction. */ - {"lb", s7_D_ldst}, - {"lbu", s7_D_ldst}, - {"lbu!", s7_D_ldst}, - {"lbup!", s7_D_ldst}, - {"lh", s7_D_ldst}, - {"lhu", s7_D_ldst}, - {"lh!", s7_D_ldst}, - {"lhp!", s7_D_ldst}, - {"lw", s7_D_ldst}, - {"lw!", s7_D_ldst}, - {"lwp!", s7_D_ldst}, - {"sb", s7_D_ldst}, - {"sb!", s7_D_ldst}, - {"sbp!", s7_D_ldst}, - {"sh", s7_D_ldst}, - {"sh!", s7_D_ldst}, - {"shp!", s7_D_ldst}, - {"sw", s7_D_ldst}, - {"sw!", s7_D_ldst}, - {"swp!", s7_D_ldst}, - {"alw", s7_D_ldst}, - {"asw", s7_D_ldst}, - {"push!", s7_D_ldst}, - {"pushhi!", s7_D_ldst}, - {"pop!", s7_D_ldst}, - {"pophi!", s7_D_ldst}, - {"ldc1", s7_D_ldst}, - {"ldc2", s7_D_ldst}, - {"ldc3", s7_D_ldst}, - {"stc1", s7_D_ldst}, - {"stc2", s7_D_ldst}, - {"stc3", s7_D_ldst}, - {"scb", s7_D_ldst}, - {"scw", s7_D_ldst}, - {"sce", s7_D_ldst}, - /* load combine instruction. */ - {"lcb", s7_D_ldcombine}, - {"lcw", s7_D_ldcombine}, - {"lce", s7_D_ldcombine}, -}; - -static const struct s7_data_dependency s7_data_dependency_table[] = -{ - /* Condition register. */ - {s7_D_mtcr, "cr1", s7_D_pce, "", 2, 1, 0}, - {s7_D_mtcr, "cr1", s7_D_cond_br, "", 1, 0, 1}, - {s7_D_mtcr, "cr1", s7_D_cond_mv, "", 1, 0, 1}, - /* Status regiser. */ - {s7_D_mtcr, "cr0", s7_D_all_insn, "", 5, 4, 0}, - /* CCR regiser. */ - {s7_D_mtcr, "cr4", s7_D_all_insn, "", 6, 5, 0}, - /* EntryHi/EntryLo register. */ - {s7_D_mftlb, "", s7_D_mtptlb, "", 1, 1, 1}, - {s7_D_mftlb, "", s7_D_mtrtlb, "", 1, 1, 1}, - {s7_D_mftlb, "", s7_D_stlb, "", 1, 1,1}, - {s7_D_mftlb, "", s7_D_mfcr, "cr11", 1, 1, 1}, - {s7_D_mftlb, "", s7_D_mfcr, "cr12", 1, 1, 1}, - /* Index register. */ - {s7_D_stlb, "", s7_D_mtptlb, "", 1, 1, 1}, - {s7_D_stlb, "", s7_D_mftlb, "", 1, 1, 1}, - {s7_D_stlb, "", s7_D_mfcr, "cr8", 2, 2, 1}, - /* Cache. */ - {s7_D_cached, "", s7_D_ldst, "", 1, 1, 0}, - {s7_D_cached, "", s7_D_ldcombine, "", 1, 1, 0}, - {s7_D_cachei, "", s7_D_all_insn, "", 5, 4, 0}, - /* Load combine. */ - {s7_D_ldcombine, "", s7_D_mfsr, "sr1", 3, 3, 1}, -}; - - - -/* Used to contain constructed error messages. */ -static char s7_err_msg[255]; -static int s7_fix_data_dependency = 0; -static int s7_warn_fix_data_dependency = 1; - -static int s7_in_my_get_expression = 0; - -/* Default, pop warning message when using r1. */ -static int s7_nor1 = 1; - -/* Default will do instruction relax, -O0 will set s7_g_opt = 0. */ -static unsigned int s7_g_opt = 1; - -/* The size of the small data section. */ -static unsigned int s7_g_switch_value = 8; - -static segT s7_pdr_seg; - -struct s7_score_it -{ - char name[s7_INSN_NAME_LEN]; - unsigned long instruction; - unsigned long relax_inst; - int size; - int relax_size; - enum score_insn_type type; - char str[s7_MAX_LITERAL_POOL_SIZE]; - const char *error; - int bwarn; - char reg[s7_INSN_NAME_LEN]; - struct - { - bfd_reloc_code_real_type type; - expressionS exp; - int pc_rel; - }reloc; -}; -static struct s7_score_it s7_inst; - -typedef struct proc -{ - symbolS *isym; - unsigned long reg_mask; - unsigned long reg_offset; - unsigned long fpreg_mask; - unsigned long leaf; - unsigned long frame_offset; - unsigned long frame_reg; - unsigned long pc_reg; -} s7_procS; -static s7_procS s7_cur_proc; -static s7_procS *s7_cur_proc_ptr; -static int s7_numprocs; - -/* Structure for a hash table entry for a register. */ -struct s7_reg_entry -{ - const char *name; - int number; -}; - -static const struct s7_reg_entry s7_score_rn_table[] = -{ - {"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3}, - {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7}, - {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11}, - {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15}, - {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19}, - {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23}, - {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27}, - {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31}, - {NULL, 0} -}; - -static const struct s7_reg_entry s7_score_srn_table[] = -{ - {"sr0", 0}, {"sr1", 1}, {"sr2", 2}, - {NULL, 0} -}; - -static const struct s7_reg_entry s7_score_crn_table[] = -{ - {"cr0", 0}, {"cr1", 1}, {"cr2", 2}, {"cr3", 3}, - {"cr4", 4}, {"cr5", 5}, {"cr6", 6}, {"cr7", 7}, - {"cr8", 8}, {"cr9", 9}, {"cr10", 10}, {"cr11", 11}, - {"cr12", 12}, {"cr13", 13}, {"cr14", 14}, {"cr15", 15}, - {"cr16", 16}, {"cr17", 17}, {"cr18", 18}, {"cr19", 19}, - {"cr20", 20}, {"cr21", 21}, {"cr22", 22}, {"cr23", 23}, - {"cr24", 24}, {"cr25", 25}, {"cr26", 26}, {"cr27", 27}, - {"cr28", 28}, {"cr29", 29}, {"cr30", 30}, {"cr31", 31}, - {NULL, 0} -}; - -struct s7_reg_map -{ - const struct s7_reg_entry *names; - int max_regno; - struct hash_control *htab; - const char *expected; -}; - -static struct s7_reg_map s7_all_reg_maps[] = -{ - {s7_score_rn_table, 31, NULL, N_("S+core register expected")}, - {s7_score_srn_table, 2, NULL, N_("S+core special-register expected")}, - {s7_score_crn_table, 31, NULL, N_("S+core co-processor register expected")}, -}; - -static struct hash_control *s7_score_ops_hsh = NULL; -static struct hash_control *s7_dependency_insn_hsh = NULL; - - -struct s7_datafield_range -{ - int data_type; - int bits; - int range[2]; -}; - -static struct s7_datafield_range s7_score_df_range[] = -{ - {_IMM4, 4, {0, (1 << 4) - 1}}, /* ( 0 ~ 15 ) */ - {_IMM5, 5, {0, (1 << 5) - 1}}, /* ( 0 ~ 31 ) */ - {_IMM8, 8, {0, (1 << 8) - 1}}, /* ( 0 ~ 255 ) */ - {_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 16383) */ - {_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */ - {_IMM16, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */ - {_SIMM10, 10, {-(1 << 9), (1 << 9) - 1}}, /* ( -512 ~ 511 ) */ - {_SIMM12, 12, {-(1 << 11), (1 << 11) - 1}}, /* ( -2048 ~ 2047 ) */ - {_SIMM14, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8192 ~ 8191 ) */ - {_SIMM15, 15, {-(1 << 14), (1 << 14) - 1}}, /* (-16384 ~ 16383) */ - {_SIMM16, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ - {_SIMM14_NEG, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8191 ~ 8192 ) */ - {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* (-65535 ~ 0 ) */ - {_SIMM16_NEG, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ - {_IMM20, 20, {0, (1 << 20) - 1}}, - {_IMM25, 25, {0, (1 << 25) - 1}}, - {_DISP8div2, 8, {-(1 << 8), (1 << 8) - 1}}, /* ( -256 ~ 255 ) */ - {_DISP11div2, 11, {0, 0}}, - {_DISP19div2, 19, {-(1 << 19), (1 << 19) - 1}}, /* (-524288 ~ 524287) */ - {_DISP24div2, 24, {0, 0}}, - {_VALUE, 32, {0, ((unsigned int)1 << 31) - 1}}, - {_VALUE_HI16, 16, {0, (1 << 16) - 1}}, - {_VALUE_LO16, 16, {0, (1 << 16) - 1}}, - {_VALUE_LDST_LO16, 16, {0, (1 << 16) - 1}}, - {_SIMM16_LA, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ - {_IMM5_RSHIFT_1, 5, {0, (1 << 6) - 1}}, /* ( 0 ~ 63 ) */ - {_IMM5_RSHIFT_2, 5, {0, (1 << 7) - 1}}, /* ( 0 ~ 127 ) */ - {_SIMM16_LA_POS, 16, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */ - {_IMM5_RANGE_8_31, 5, {8, 31}}, /* But for cop0 the valid data : (8 ~ 31). */ - {_IMM10_RSHIFT_2, 10, {-(1 << 11), (1 << 11) - 1}}, /* For ldc#, stc#. */ - {_SIMM10, 10, {0, (1 << 10) - 1}}, /* ( -1024 ~ 1023 ) */ - {_SIMM12, 12, {0, (1 << 12) - 1}}, /* ( -2048 ~ 2047 ) */ - {_SIMM14, 14, {0, (1 << 14) - 1}}, /* ( -8192 ~ 8191 ) */ - {_SIMM15, 15, {0, (1 << 15) - 1}}, /* (-16384 ~ 16383) */ - {_SIMM16, 16, {0, (1 << 16) - 1}}, /* (-65536 ~ 65536) */ - {_SIMM14_NEG, 14, {0, (1 << 16) - 1}}, /* ( -8191 ~ 8192 ) */ - {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ - {_SIMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ - {_IMM20, 20, {0, (1 << 20) - 1}}, /* (-32768 ~ 32767) */ - {_IMM25, 25, {0, (1 << 25) - 1}}, /* (-32768 ~ 32767) */ - {_GP_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 65535) */ - {_GP_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 65535) */ - {_SIMM16_pic, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ - {_IMM16_LO16_pic, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ - {_IMM16_pic, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */ -}; - - -struct s7_asm_opcode -{ - /* Instruction name. */ - const char *template_name; - - /* Instruction Opcode. */ - bfd_vma value; - - /* Instruction bit mask. */ - bfd_vma bitmask; - - /* Relax instruction opcode. 0x8000 imply no relaxation. */ - bfd_vma relax_value; - - /* Instruction type. */ - enum score_insn_type type; - - /* Function to call to parse args. */ - void (*parms) (char *); -}; - -static const struct s7_asm_opcode s7_score_ldst_insns[] = -{ - {"lw", 0x20000000, 0x3e000000, 0x2008, Rd_rvalueRs_SI15, s7_do_ldst_insn}, - {"lw", 0x06000000, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, - {"lw", 0x0e000000, 0x3e000007, 0x200a, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, - {"lh", 0x22000000, 0x3e000000, 0x2009, Rd_rvalueRs_SI15, s7_do_ldst_insn}, - {"lh", 0x06000001, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, - {"lh", 0x0e000001, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, - {"lhu", 0x24000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s7_do_ldst_insn}, - {"lhu", 0x06000002, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, - {"lhu", 0x0e000002, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, - {"lb", 0x26000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s7_do_ldst_insn}, - {"lb", 0x06000003, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, - {"lb", 0x0e000003, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, - {"sw", 0x28000000, 0x3e000000, 0x200c, Rd_lvalueRs_SI15, s7_do_ldst_insn}, - {"sw", 0x06000004, 0x3e000007, 0x200e, Rd_lvalueRs_preSI12, s7_do_ldst_insn}, - {"sw", 0x0e000004, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s7_do_ldst_insn}, - {"sh", 0x2a000000, 0x3e000000, 0x200d, Rd_lvalueRs_SI15, s7_do_ldst_insn}, - {"sh", 0x06000005, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s7_do_ldst_insn}, - {"sh", 0x0e000005, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s7_do_ldst_insn}, - {"lbu", 0x2c000000, 0x3e000000, 0x200b, Rd_rvalueRs_SI15, s7_do_ldst_insn}, - {"lbu", 0x06000006, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, - {"lbu", 0x0e000006, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, - {"sb", 0x2e000000, 0x3e000000, 0x200f, Rd_lvalueRs_SI15, s7_do_ldst_insn}, - {"sb", 0x06000007, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s7_do_ldst_insn}, - {"sb", 0x0e000007, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s7_do_ldst_insn}, -}; - -static const struct s7_asm_opcode s7_score_insns[] = -{ - {"abs", 0x3800000a, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"abs.s", 0x3800004b, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"add", 0x00000010, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"add.c", 0x00000011, 0x3e0003ff, 0x2000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"add.s", 0x38000048, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"addc", 0x00000012, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"addc.c", 0x00000013, 0x3e0003ff, 0x0009, Rd_Rs_Rs, s7_do_rdrsrs}, - {"addi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdsi16}, - {"addi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdsi16}, - {"addis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdi16}, - {"addis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdi16}, - {"addri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s7_do_rdrssi14}, - {"addri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s7_do_rdrssi14}, - {"addc!", 0x0009, 0x700f, 0x00000013, Rd_Rs, s7_do16_rdrs}, - {"add!", 0x2000, 0x700f, 0x00000011, Rd_Rs, s7_do16_rdrs}, - {"addei!", 0x6000 , 0x7087, 0x02000001, Rd_I4, s7_do16_rdi4}, - {"subi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_sub_rdsi16}, - {"subi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_sub_rdsi16}, - {"subri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s7_do_sub_rdrssi14}, - {"subri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s7_do_sub_rdrssi14}, - {"and", 0x00000020, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"and.c", 0x00000021, 0x3e0003ff, 0x2004, Rd_Rs_Rs, s7_do_rdrsrs}, - {"andi", 0x02080000, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, - {"andi.c", 0x02080001, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, - {"andis", 0x0a080000, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, - {"andis.c", 0x0a080001, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, - {"andri", 0x18000000, 0x3e000001, 0x8000, Rd_Rs_I14, s7_do_rdrsi14}, - {"andri.c", 0x18000001, 0x3e000001, 0x8000, Rd_Rs_I14, s7_do_rdrsi14}, - {"and!", 0x2004, 0x700f, 0x00000021, Rd_Rs, s7_do16_rdrs}, - {"bcs", 0x08000000, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bcc", 0x08000400, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bcnz", 0x08003800, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bcsl", 0x08000001, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bccl", 0x08000401, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bcnzl", 0x08003801, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bcs!", 0x4000, 0x7f00, 0x08000000, PC_DISP8div2, s7_do16_branch}, - {"bcc!", 0x4100, 0x7f00, 0x08000400, PC_DISP8div2, s7_do16_branch}, - {"bcnz!", 0x4e00, 0x7f00, 0x08003800, PC_DISP8div2, s7_do16_branch}, - {"beq", 0x08001000, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"beql", 0x08001001, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"beq!", 0x4400, 0x7f00, 0x08001000, PC_DISP8div2, s7_do16_branch}, - {"bgtu", 0x08000800, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bgt", 0x08001800, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bge", 0x08002000, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bgtul", 0x08000801, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bgtl", 0x08001801, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bgel", 0x08002001, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bgtu!", 0x4200, 0x7f00, 0x08000800, PC_DISP8div2, s7_do16_branch}, - {"bgt!", 0x4600, 0x7f00, 0x08001800, PC_DISP8div2, s7_do16_branch}, - {"bge!", 0x4800, 0x7f00, 0x08002000, PC_DISP8div2, s7_do16_branch}, - {"bitclr.c", 0x00000029, 0x3e0003ff, 0x6004, Rd_Rs_I5, s7_do_rdrsi5}, - {"bitrev", 0x3800000c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"bitset.c", 0x0000002b, 0x3e0003ff, 0x6005, Rd_Rs_I5, s7_do_rdrsi5}, - {"bittst.c", 0x0000002d, 0x3e0003ff, 0x6006, x_Rs_I5, s7_do_xrsi5}, - {"bittgl.c", 0x0000002f, 0x3e0003ff, 0x6007, Rd_Rs_I5, s7_do_rdrsi5}, - {"bitclr!", 0x6004, 0x7007, 0x00000029, Rd_I5, s7_do16_rdi5}, - {"bitset!", 0x6005, 0x7007, 0x0000002b, Rd_I5, s7_do16_rdi5}, - {"bittst!", 0x6006, 0x7007, 0x0000002d, Rd_I5, s7_do16_rdi5}, - {"bittgl!", 0x6007, 0x7007, 0x0000002f, Rd_I5, s7_do16_rdi5}, - {"bleu", 0x08000c00, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"ble", 0x08001c00, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"blt", 0x08002400, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bleul", 0x08000c01, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"blel", 0x08001c01, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bltl", 0x08002401, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bl", 0x08003c01, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bleu!", 0x4300, 0x7f00, 0x08000c00, PC_DISP8div2, s7_do16_branch}, - {"ble!", 0x4700, 0x7f00, 0x08001c00, PC_DISP8div2, s7_do16_branch}, - {"blt!", 0x4900, 0x7f00, 0x08002400, PC_DISP8div2, s7_do16_branch}, - {"bmi", 0x08002800, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bmil", 0x08002801, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bmi!", 0x00004a00, 0x00007f00, 0x08002800, PC_DISP8div2, s7_do16_branch}, - {"bne", 0x08001400, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bnel", 0x08001401, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bne!", 0x4500, 0x7f00, 0x08001400, PC_DISP8div2, s7_do16_branch}, - {"bpl", 0x08002c00, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bpll", 0x08002c01, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bpl!", 0x4b00, 0x7f00, 0x08002c00, PC_DISP8div2, s7_do16_branch}, - {"brcs", 0x00000008, 0x3e007fff, 0x0004, x_Rs_x, s7_do_rs}, - {"brcc", 0x00000408, 0x3e007fff, 0x0104, x_Rs_x, s7_do_rs}, - {"brgtu", 0x00000808, 0x3e007fff, 0x0204, x_Rs_x, s7_do_rs}, - {"brleu", 0x00000c08, 0x3e007fff, 0x0304, x_Rs_x, s7_do_rs}, - {"breq", 0x00001008, 0x3e007fff, 0x0404, x_Rs_x, s7_do_rs}, - {"brne", 0x00001408, 0x3e007fff, 0x0504, x_Rs_x, s7_do_rs}, - {"brgt", 0x00001808, 0x3e007fff, 0x0604, x_Rs_x, s7_do_rs}, - {"brle", 0x00001c08, 0x3e007fff, 0x0704, x_Rs_x, s7_do_rs}, - {"brge", 0x00002008, 0x3e007fff, 0x0804, x_Rs_x, s7_do_rs}, - {"brlt", 0x00002408, 0x3e007fff, 0x0904, x_Rs_x, s7_do_rs}, - {"brmi", 0x00002808, 0x3e007fff, 0x0a04, x_Rs_x, s7_do_rs}, - {"brpl", 0x00002c08, 0x3e007fff, 0x0b04, x_Rs_x, s7_do_rs}, - {"brvs", 0x00003008, 0x3e007fff, 0x0c04, x_Rs_x, s7_do_rs}, - {"brvc", 0x00003408, 0x3e007fff, 0x0d04, x_Rs_x, s7_do_rs}, - {"brcnz", 0x00003808, 0x3e007fff, 0x0e04, x_Rs_x, s7_do_rs}, - {"br", 0x00003c08, 0x3e007fff, 0x0f04, x_Rs_x, s7_do_rs}, - {"brcsl", 0x00000009, 0x3e007fff, 0x000c, x_Rs_x, s7_do_rs}, - {"brccl", 0x00000409, 0x3e007fff, 0x010c, x_Rs_x, s7_do_rs}, - {"brgtul", 0x00000809, 0x3e007fff, 0x020c, x_Rs_x, s7_do_rs}, - {"brleul", 0x00000c09, 0x3e007fff, 0x030c, x_Rs_x, s7_do_rs}, - {"breql", 0x00001009, 0x3e007fff, 0x040c, x_Rs_x, s7_do_rs}, - {"brnel", 0x00001409, 0x3e007fff, 0x050c, x_Rs_x, s7_do_rs}, - {"brgtl", 0x00001809, 0x3e007fff, 0x060c, x_Rs_x, s7_do_rs}, - {"brlel", 0x00001c09, 0x3e007fff, 0x070c, x_Rs_x, s7_do_rs}, - {"brgel", 0x00002009, 0x3e007fff, 0x080c, x_Rs_x, s7_do_rs}, - {"brltl", 0x00002409, 0x3e007fff, 0x090c, x_Rs_x, s7_do_rs}, - {"brmil", 0x00002809, 0x3e007fff, 0x0a0c, x_Rs_x, s7_do_rs}, - {"brpll", 0x00002c09, 0x3e007fff, 0x0b0c, x_Rs_x, s7_do_rs}, - {"brvsl", 0x00003009, 0x3e007fff, 0x0c0c, x_Rs_x, s7_do_rs}, - {"brvcl", 0x00003409, 0x3e007fff, 0x0d0c, x_Rs_x, s7_do_rs}, - {"brcnzl", 0x00003809, 0x3e007fff, 0x0e0c, x_Rs_x, s7_do_rs}, - {"brl", 0x00003c09, 0x3e007fff, 0x0f0c, x_Rs_x, s7_do_rs}, - {"brcs!", 0x0004, 0x7f0f, 0x00000008, x_Rs, s7_do16_xrs}, - {"brcc!", 0x0104, 0x7f0f, 0x00000408, x_Rs, s7_do16_xrs}, - {"brgtu!", 0x0204, 0x7f0f, 0x00000808, x_Rs, s7_do16_xrs}, - {"brleu!", 0x0304, 0x7f0f, 0x00000c08, x_Rs, s7_do16_xrs}, - {"breq!", 0x0404, 0x7f0f, 0x00001008, x_Rs, s7_do16_xrs}, - {"brne!", 0x0504, 0x7f0f, 0x00001408, x_Rs, s7_do16_xrs}, - {"brgt!", 0x0604, 0x7f0f, 0x00001808, x_Rs, s7_do16_xrs}, - {"brle!", 0x0704, 0x7f0f, 0x00001c08, x_Rs, s7_do16_xrs}, - {"brge!", 0x0804, 0x7f0f, 0x00002008, x_Rs, s7_do16_xrs}, - {"brlt!", 0x0904, 0x7f0f, 0x00002408, x_Rs, s7_do16_xrs}, - {"brmi!", 0x0a04, 0x7f0f, 0x00002808, x_Rs, s7_do16_xrs}, - {"brpl!", 0x0b04, 0x7f0f, 0x00002c08, x_Rs, s7_do16_xrs}, - {"brvs!", 0x0c04, 0x7f0f, 0x00003008, x_Rs, s7_do16_xrs}, - {"brvc!", 0x0d04, 0x7f0f, 0x00003408, x_Rs, s7_do16_xrs}, - {"brcnz!", 0x0e04, 0x7f0f, 0x00003808, x_Rs, s7_do16_xrs}, - {"br!", 0x0f04, 0x7f0f, 0x00003c08, x_Rs, s7_do16_xrs}, - {"brcsl!", 0x000c, 0x7f0f, 0x00000009, x_Rs, s7_do16_xrs}, - {"brccl!", 0x010c, 0x7f0f, 0x00000409, x_Rs, s7_do16_xrs}, - {"brgtul!", 0x020c, 0x7f0f, 0x00000809, x_Rs, s7_do16_xrs}, - {"brleul!", 0x030c, 0x7f0f, 0x00000c09, x_Rs, s7_do16_xrs}, - {"breql!", 0x040c, 0x7f0f, 0x00001009, x_Rs, s7_do16_xrs}, - {"brnel!", 0x050c, 0x7f0f, 0x00001409, x_Rs, s7_do16_xrs}, - {"brgtl!", 0x060c, 0x7f0f, 0x00001809, x_Rs, s7_do16_xrs}, - {"brlel!", 0x070c, 0x7f0f, 0x00001c09, x_Rs, s7_do16_xrs}, - {"brgel!", 0x080c, 0x7f0f, 0x00002009, x_Rs, s7_do16_xrs}, - {"brltl!", 0x090c, 0x7f0f, 0x00002409, x_Rs, s7_do16_xrs}, - {"brmil!", 0x0a0c, 0x7f0f, 0x00002809, x_Rs, s7_do16_xrs}, - {"brpll!", 0x0b0c, 0x7f0f, 0x00002c09, x_Rs, s7_do16_xrs}, - {"brvsl!", 0x0c0c, 0x7f0f, 0x00003009, x_Rs, s7_do16_xrs}, - {"brvcl!", 0x0d0c, 0x7f0f, 0x00003409, x_Rs, s7_do16_xrs}, - {"brcnzl!", 0x0e0c, 0x7f0f, 0x00003809, x_Rs, s7_do16_xrs}, - {"brl!", 0x0f0c, 0x7f0f, 0x00003c09, x_Rs, s7_do16_xrs}, - {"bvs", 0x08003000, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bvc", 0x08003400, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"bvsl", 0x08003001, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bvcl", 0x08003401, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, - {"bvs!", 0x4c00, 0x7f00, 0x08003000, PC_DISP8div2, s7_do16_branch}, - {"bvc!", 0x4d00, 0x7f00, 0x08003400, PC_DISP8div2, s7_do16_branch}, - {"b!", 0x4f00, 0x7f00, 0x08003c00, PC_DISP8div2, s7_do16_branch}, - {"b", 0x08003c00, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, - {"cache", 0x30000000, 0x3ff00000, 0x8000, OP5_rvalueRs_SI15, s7_do_cache}, - {"ceinst", 0x38000000, 0x3e000000, 0x8000, I5_Rs_Rs_I5_OP5, s7_do_ceinst}, - {"clz", 0x3800000d, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"cmpteq.c", 0x00000019, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"cmptmi.c", 0x00100019, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"cmp.c", 0x00300019, 0x3ff003ff, 0x2003, x_Rs_Rs, s7_do_rsrs}, - {"cmpzteq.c", 0x0000001b, 0x3ff07fff, 0x8000, x_Rs_x, s7_do_rs}, - {"cmpztmi.c", 0x0010001b, 0x3ff07fff, 0x8000, x_Rs_x, s7_do_rs}, - {"cmpz.c", 0x0030001b, 0x3ff07fff, 0x8000, x_Rs_x, s7_do_rs}, - {"cmpi.c", 0x02040001, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdsi16}, - {"cmp!", 0x2003, 0x700f, 0x00300019, Rd_Rs, s7_do16_rdrs}, - {"cop1", 0x0c00000c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s7_do_crdcrscrsimm5}, - {"cop2", 0x0c000014, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s7_do_crdcrscrsimm5}, - {"cop3", 0x0c00001c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s7_do_crdcrscrsimm5}, - {"drte", 0x0c0000a4, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, - {"extsb", 0x00000058, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"extsb.c", 0x00000059, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"extsh", 0x0000005a, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"extsh.c", 0x0000005b, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"extzb", 0x0000005c, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"extzb.c", 0x0000005d, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"extzh", 0x0000005e, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"extzh.c", 0x0000005f, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"jl", 0x04000001, 0x3e000001, 0x8000, PC_DISP24div2, s7_do_jump}, - {"jl!", 0x3001, 0x7001, 0x04000001, PC_DISP11div2, s7_do16_jump}, - {"j!", 0x3000, 0x7001, 0x04000000, PC_DISP11div2, s7_do16_jump}, - {"j", 0x04000000, 0x3e000001, 0x8000, PC_DISP24div2, s7_do_jump}, - {"lbu!", 0x200b, 0x0000700f, 0x2c000000, Rd_rvalueRs, s7_do16_ldst_insn}, - {"lbup!", 0x7003, 0x7007, 0x2c000000, Rd_rvalueBP_I5, s7_do16_ldst_imm_insn}, - {"alw", 0x0000000c, 0x3e0003ff, 0x8000, Rd_rvalue32Rs, s7_do_ldst_atomic}, - {"lcb", 0x00000060, 0x3e0003ff, 0x8000, x_rvalueRs_post4, s7_do_ldst_unalign}, - {"lcw", 0x00000062, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s7_do_ldst_unalign}, - {"lce", 0x00000066, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s7_do_ldst_unalign}, - {"ldc1", 0x0c00000a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s7_do_ldst_cop}, - {"ldc2", 0x0c000012, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s7_do_ldst_cop}, - {"ldc3", 0x0c00001a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s7_do_ldst_cop}, - {"lh!", 0x2009, 0x700f, 0x22000000, Rd_rvalueRs, s7_do16_ldst_insn}, - {"lhp!", 0x7001, 0x7007, 0x22000000, Rd_rvalueBP_I5, s7_do16_ldst_imm_insn}, - {"ldi", 0x020c0000, 0x3e0e0000, 0x5000, Rd_SI16, s7_do_rdsi16}, - {"ldis", 0x0a0c0000, 0x3e0e0000, 0x8000, Rd_I16, s7_do_rdi16}, - {"ldiu!", 0x5000, 0x7000, 0x020c0000, Rd_I8, s7_do16_ldst_imm_insn}, - {"lw!", 0x2008, 0x700f, 0x20000000, Rd_rvalueRs, s7_do16_ldst_insn}, - {"lwp!", 0x7000, 0x7007, 0x20000000, Rd_rvalueBP_I5, s7_do16_ldst_imm_insn}, - {"mfcel", 0x00000448, 0x3e007fff, 0x8000, Rd_x_x, s7_do_rd}, - {"mfcel!", 0x1001, 0x7f0f, 0x00000448, x_Rs, s7_do16_rs}, - {"mad", 0x38000000, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mad.f!", 0x1004, 0x700f, 0x38000080, Rd_Rs, s7_do16_rdrs}, - {"madh", 0x38000203, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"madh.fs", 0x380002c3, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"madh.fs!", 0x100b, 0x700f, 0x380002c3, Rd_Rs, s7_do16_rdrs}, - {"madl", 0x38000002, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"madl.fs", 0x380000c2, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"madl.fs!", 0x100a, 0x700f, 0x380000c2, Rd_Rs, s7_do16_rdrs}, - {"madu", 0x38000020, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"madu!", 0x1005, 0x700f, 0x38000020, Rd_Rs, s7_do16_rdrs}, - {"mad.f", 0x38000080, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"max", 0x38000007, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"mazh", 0x38000303, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mazh.f", 0x38000383, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mazh.f!", 0x1009, 0x700f, 0x38000383, Rd_Rs, s7_do16_rdrs}, - {"mazl", 0x38000102, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mazl.f", 0x38000182, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mazl.f!", 0x1008, 0x700f, 0x38000182, Rd_Rs, s7_do16_rdrs}, - {"mfceh", 0x00000848, 0x3e007fff, 0x8000, Rd_x_x, s7_do_rd}, - {"mfceh!", 0x1101, 0x7f0f, 0x00000848, x_Rs, s7_do16_rs}, - {"mfcehl", 0x00000c48, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mfsr", 0x00000050, 0x3e0003ff, 0x8000, Rd_x_I5, s7_do_rdsrs}, - {"mfcr", 0x0c000001, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mfc1", 0x0c000009, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mfc2", 0x0c000011, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mfc3", 0x0c000019, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mfcc1", 0x0c00000f, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mfcc2", 0x0c000017, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mfcc3", 0x0c00001f, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mhfl!", 0x0002, 0x700f, 0x00003c56, Rd_LowRs, s7_do16_hrdrs}, - {"min", 0x38000006, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"mlfh!", 0x0001, 0x700f, 0x00003c56, Rd_HighRs, s7_do16_rdhrs}, - {"msb", 0x38000001, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"msb.f!", 0x1006, 0x700f, 0x38000081, Rd_Rs, s7_do16_rdrs}, - {"msbh", 0x38000205, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"msbh.fs", 0x380002c5, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"msbh.fs!", 0x100f, 0x700f, 0x380002c5, Rd_Rs, s7_do16_rdrs}, - {"msbl", 0x38000004, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"msbl.fs", 0x380000c4, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"msbl.fs!", 0x100e, 0x700f, 0x380000c4, Rd_Rs, s7_do16_rdrs}, - {"msbu", 0x38000021, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"msbu!", 0x1007, 0x700f, 0x38000021, Rd_Rs, s7_do16_rdrs}, - {"msb.f", 0x38000081, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mszh", 0x38000305, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mszh.f", 0x38000385, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mszh.f!", 0x100d, 0x700f, 0x38000385, Rd_Rs, s7_do16_rdrs}, - {"mszl", 0x38000104, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mszl.f", 0x38000184, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, - {"mszl.f!", 0x100c, 0x700f, 0x38000184, Rd_Rs, s7_do16_rdrs}, - {"mtcel!", 0x1000, 0x7f0f, 0x0000044a, x_Rs, s7_do16_rs}, - {"mtcel", 0x0000044a, 0x3e007fff, 0x8000, Rd_x_x, s7_do_rd}, - {"mtceh", 0x0000084a, 0x3e007fff, 0x8000, Rd_x_x, s7_do_rd}, - {"mtceh!", 0x1100, 0x7f0f, 0x0000084a, x_Rs, s7_do16_rs}, - {"mtcehl", 0x00000c4a, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mtsr", 0x00000052, 0x3e0003ff, 0x8000, x_Rs_I5, s7_do_rdsrs}, - {"mtcr", 0x0c000000, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mtc1", 0x0c000008, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mtc2", 0x0c000010, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mtc3", 0x0c000018, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mtcc1", 0x0c00000e, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mtcc2", 0x0c000016, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mtcc3", 0x0c00001e, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, - {"mul.f!", 0x1002, 0x700f, 0x00000041, Rd_Rs, s7_do16_rdrs}, - {"mulu!", 0x1003, 0x700f, 0x00000042, Rd_Rs, s7_do16_rdrs}, - {"mvcs", 0x00000056, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvcc", 0x00000456, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvgtu", 0x00000856, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvleu", 0x00000c56, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mveq", 0x00001056, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvne", 0x00001456, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvgt", 0x00001856, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvle", 0x00001c56, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvge", 0x00002056, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvlt", 0x00002456, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvmi", 0x00002856, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvpl", 0x00002c56, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvvs", 0x00003056, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mvvc", 0x00003456, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"mv", 0x00003c56, 0x3e007fff, 0x0003, Rd_Rs_x, s7_do_rdrs}, - {"mv!", 0x0003, 0x700f, 0x00003c56, Rd_Rs, s7_do16_mv_rdrs}, - {"neg", 0x0000001e, 0x3e0003ff, 0x8000, Rd_x_Rs, s7_do_rdxrs}, - {"neg.c", 0x0000001f, 0x3e0003ff, 0x2002, Rd_x_Rs, s7_do_rdxrs}, - {"neg!", 0x2002, 0x700f, 0x0000001f, Rd_Rs, s7_do16_rdrs}, - {"nop", 0x00000000, 0x3e0003ff, 0x0000, NO_OPD, s7_do_empty}, - {"not", 0x00000024, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, - {"not.c", 0x00000025, 0x3e0003ff, 0x2006, Rd_Rs_x, s7_do_rdrs}, - {"nop!", 0x0000, 0x700f, 0x00000000, NO16_OPD, s7_do_empty}, - {"not!", 0x2006, 0x700f, 0x00000025, Rd_Rs, s7_do16_rdrs}, - {"or", 0x00000022, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"or.c", 0x00000023, 0x3e0003ff, 0x2005, Rd_Rs_Rs, s7_do_rdrsrs}, - {"ori", 0x020a0000, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, - {"ori.c", 0x020a0001, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, - {"oris", 0x0a0a0000, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, - {"oris.c", 0x0a0a0001, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, - {"orri", 0x1a000000, 0x3e000001, 0x8000, Rd_Rs_I14, s7_do_rdrsi14}, - {"orri.c", 0x1a000001, 0x3e000001, 0x8000, Rd_Rs_I14, s7_do_rdrsi14}, - {"or!", 0x2005, 0x700f, 0x00000023, Rd_Rs, s7_do16_rdrs}, - {"pflush", 0x0000000a, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, - {"pop!", 0x200a, 0x700f, 0x0e000000, Rd_rvalueRs, s7_do16_push_pop}, - {"push!", 0x200e, 0x700f, 0x06000004, Rd_lvalueRs, s7_do16_push_pop}, - {"ror", 0x00000038, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"ror.c", 0x00000039, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"rorc.c", 0x0000003b, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"rol", 0x0000003c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"rol.c", 0x0000003d, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"rolc.c", 0x0000003f, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"rori", 0x00000078, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"rori.c", 0x00000079, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"roric.c", 0x0000007b, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"roli", 0x0000007c, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"roli.c", 0x0000007d, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"rolic.c", 0x0000007f, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"rte", 0x0c000084, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, - {"sb!", 0x200f, 0x700f, 0x2e000000, Rd_lvalueRs, s7_do16_ldst_insn}, - {"sbp!", 0x7007, 0x7007, 0x2e000000, Rd_lvalueBP_I5, s7_do16_ldst_imm_insn}, - {"asw", 0x0000000e, 0x3e0003ff, 0x8000, Rd_lvalue32Rs, s7_do_ldst_atomic}, - {"scb", 0x00000068, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s7_do_ldst_unalign}, - {"scw", 0x0000006a, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s7_do_ldst_unalign}, - {"sce", 0x0000006e, 0x3e0003ff, 0x8000, x_lvalueRs_post4, s7_do_ldst_unalign}, - {"sdbbp", 0x00000006, 0x3e0003ff, 0x6002, x_I5_x, s7_do_xi5x}, - {"sdbbp!", 0x6002, 0x7007, 0x00000006, Rd_I5, s7_do16_xi5}, - {"sh!", 0x200d, 0x700f, 0x2a000000, Rd_lvalueRs, s7_do16_ldst_insn}, - {"shp!", 0x7005, 0x7007, 0x2a000000, Rd_lvalueBP_I5, s7_do16_ldst_imm_insn}, - {"sleep", 0x0c0000c4, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, - {"sll", 0x00000030, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"sll.c", 0x00000031, 0x3e0003ff, 0x0008, Rd_Rs_Rs, s7_do_rdrsrs}, - {"sll.s", 0x3800004e, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"slli", 0x00000070, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"slli.c", 0x00000071, 0x3e0003ff, 0x6001, Rd_Rs_I5, s7_do_rdrsi5}, - {"sll!", 0x0008, 0x700f, 0x00000031, Rd_Rs, s7_do16_rdrs}, - {"slli!", 0x6001, 0x7007, 0x00000071, Rd_I5, s7_do16_rdi5}, - {"srl", 0x00000034, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"srl.c", 0x00000035, 0x3e0003ff, 0x000a, Rd_Rs_Rs, s7_do_rdrsrs}, - {"sra", 0x00000036, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"sra.c", 0x00000037, 0x3e0003ff, 0x000b, Rd_Rs_Rs, s7_do_rdrsrs}, - {"srli", 0x00000074, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"srli.c", 0x00000075, 0x3e0003ff, 0x6003, Rd_Rs_I5, s7_do_rdrsi5}, - {"srai", 0x00000076, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"srai.c", 0x00000077, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, - {"srl!", 0x000a, 0x700f, 0x00000035, Rd_Rs, s7_do16_rdrs}, - {"sra!", 0x000b, 0x700f, 0x00000037, Rd_Rs, s7_do16_rdrs}, - {"srli!", 0x6003, 0x7007, 0x00000075, Rd_Rs, s7_do16_rdi5}, - {"stc1", 0x0c00000b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s7_do_ldst_cop}, - {"stc2", 0x0c000013, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s7_do_ldst_cop}, - {"stc3", 0x0c00001b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s7_do_ldst_cop}, - {"sub", 0x00000014, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"sub.c", 0x00000015, 0x3e0003ff, 0x2001, Rd_Rs_Rs, s7_do_rdrsrs}, - {"sub.s", 0x38000049, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"subc", 0x00000016, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"subc.c", 0x00000017, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"sub!", 0x2001, 0x700f, 0x00000015, Rd_Rs, s7_do16_rdrs}, - {"subei!", 0x6080, 0x7087, 0x02000001, Rd_I4, s7_do16_rdi4}, - {"sw!", 0x200c, 0x700f, 0x28000000, Rd_lvalueRs, s7_do16_ldst_insn}, - {"swp!", 0x7004, 0x7007, 0x28000000, Rd_lvalueBP_I5, s7_do16_ldst_imm_insn}, - {"syscall", 0x00000002, 0x3e0003ff, 0x8000, I15, s7_do_i15}, - {"tcs", 0x00000054, 0x3e007fff, 0x0005, NO_OPD, s7_do_empty}, - {"tcc", 0x00000454, 0x3e007fff, 0x0105, NO_OPD, s7_do_empty}, - {"tcnz", 0x00003854, 0x3e007fff, 0x0e05, NO_OPD, s7_do_empty}, - {"tcs!", 0x0005, 0x7f0f, 0x00000054, NO16_OPD, s7_do_empty}, - {"tcc!", 0x0105, 0x7f0f, 0x00000454, NO16_OPD, s7_do_empty}, - {"tcnz!", 0x0e05, 0x7f0f, 0x00003854, NO16_OPD, s7_do_empty}, - {"teq", 0x00001054, 0x3e007fff, 0x0405, NO_OPD, s7_do_empty}, - {"teq!", 0x0405, 0x7f0f, 0x00001054, NO16_OPD, s7_do_empty}, - {"tgtu", 0x00000854, 0x3e007fff, 0x0205, NO_OPD, s7_do_empty}, - {"tgt", 0x00001854, 0x3e007fff, 0x0605, NO_OPD, s7_do_empty}, - {"tge", 0x00002054, 0x3e007fff, 0x0805, NO_OPD, s7_do_empty}, - {"tgtu!", 0x0205, 0x7f0f, 0x00000854, NO16_OPD, s7_do_empty}, - {"tgt!", 0x0605, 0x7f0f, 0x00001854, NO16_OPD, s7_do_empty}, - {"tge!", 0x0805, 0x7f0f, 0x00002054, NO16_OPD, s7_do_empty}, - {"tleu", 0x00000c54, 0x3e007fff, 0x0305, NO_OPD, s7_do_empty}, - {"tle", 0x00001c54, 0x3e007fff, 0x0705, NO_OPD, s7_do_empty}, - {"tlt", 0x00002454, 0x3e007fff, 0x0905, NO_OPD, s7_do_empty}, - {"stlb", 0x0c000004, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, - {"mftlb", 0x0c000024, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, - {"mtptlb", 0x0c000044, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, - {"mtrtlb", 0x0c000064, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, - {"tleu!", 0x0305, 0x7f0f, 0x00000c54, NO16_OPD, s7_do_empty}, - {"tle!", 0x0705, 0x7f0f, 0x00001c54, NO16_OPD, s7_do_empty}, - {"tlt!", 0x0905, 0x7f0f, 0x00002454, NO16_OPD, s7_do_empty}, - {"tmi", 0x00002854, 0x3e007fff, 0x0a05, NO_OPD, s7_do_empty}, - {"tmi!", 0x0a05, 0x7f0f, 0x00002854, NO16_OPD, s7_do_empty}, - {"tne", 0x00001454, 0x3e007fff, 0x0505, NO_OPD, s7_do_empty}, - {"tne!", 0x0505, 0x7f0f, 0x00001454, NO16_OPD, s7_do_empty}, - {"tpl", 0x00002c54, 0x3e007fff, 0x0b05, NO_OPD, s7_do_empty}, - {"tpl!", 0x0b05, 0x7f0f, 0x00002c54, NO16_OPD, s7_do_empty}, - {"trapcs", 0x00000004, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapcc", 0x00000404, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapgtu", 0x00000804, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapleu", 0x00000c04, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapeq", 0x00001004, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapne", 0x00001404, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapgt", 0x00001804, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"traple", 0x00001c04, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapge", 0x00002004, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"traplt", 0x00002404, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapmi", 0x00002804, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trappl", 0x00002c04, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapvs", 0x00003004, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trapvc", 0x00003404, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"trap", 0x00003c04, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, - {"tset", 0x00003c54, 0x3e007fff, 0x0f05, NO_OPD, s7_do_empty}, - {"tset!", 0x0f05, 0x00007f0f, 0x00003c54, NO16_OPD, s7_do_empty}, - {"tvs", 0x00003054, 0x3e007fff, 0x0c05, NO_OPD, s7_do_empty}, - {"tvc", 0x00003454, 0x3e007fff, 0x0d05, NO_OPD, s7_do_empty}, - {"tvs!", 0x0c05, 0x7f0f, 0x00003054, NO16_OPD, s7_do_empty}, - {"tvc!", 0x0d05, 0x7f0f, 0x00003454, NO16_OPD, s7_do_empty}, - {"xor", 0x00000026, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, - {"xor.c", 0x00000027, 0x3e0003ff, 0x2007, Rd_Rs_Rs, s7_do_rdrsrs}, - {"xor!", 0x2007, 0x700f, 0x00000027, Rd_Rs, s7_do16_rdrs}, - /* Macro instruction. */ - {"li", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s7_do_macro_li_rdi32}, - /* la reg, imm32 -->(1) ldi reg, simm16 - (2) ldis reg, %HI(imm32) - ori reg, %LO(imm32) - - la reg, symbol -->(1) lis reg, %HI(imm32) - ori reg, %LO(imm32) */ - {"la", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s7_do_macro_la_rdi32}, - {"div", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"divu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"rem", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"remu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"mul", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"mulu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"maz", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"mazu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"mul.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"maz.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, - {"lb", INSN_LB, 0x00000000, 0x8000, Insn_Type_SYN, s7_do_macro_ldst_label}, - {"lbu", INSN_LBU, 0x00000000, 0x200b, Insn_Type_SYN, s7_do_macro_ldst_label}, - {"lh", INSN_LH, 0x00000000, 0x2009, Insn_Type_SYN, s7_do_macro_ldst_label}, - {"lhu", INSN_LHU, 0x00000000, 0x8000, Insn_Type_SYN, s7_do_macro_ldst_label}, - {"lw", INSN_LW, 0x00000000, 0x2008, Insn_Type_SYN, s7_do_macro_ldst_label}, - {"sb", INSN_SB, 0x00000000, 0x200f, Insn_Type_SYN, s7_do_macro_ldst_label}, - {"sh", INSN_SH, 0x00000000, 0x200d, Insn_Type_SYN, s7_do_macro_ldst_label}, - {"sw", INSN_SW, 0x00000000, 0x200c, Insn_Type_SYN, s7_do_macro_ldst_label}, - /* Assembler use internal. */ - {"ld_i32hi", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, s7_do_macro_rdi32hi}, - {"ld_i32lo", 0x020a0000, 0x3e0e0001, 0x8000, Insn_internal, s7_do_macro_rdi32lo}, - {"ldis_pic", 0x0a0c0000, 0x3e0e0000, 0x5000, Insn_internal, s7_do_rdi16_pic}, - {"addi_s_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s7_do_addi_s_pic}, - {"addi_u_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s7_do_addi_u_pic}, - {"lw_pic", 0x20000000, 0x3e000000, 0x8000, Insn_internal, s7_do_lw_pic}, -}; - -#define s7_SCORE5_PIPELINE 5 -#define s7_SCORE7_PIPELINE 7 - -static int s7_university_version = 0; -static int s7_vector_size = s7_SCORE7_PIPELINE; -static struct s7_score_it s7_dependency_vector[s7_SCORE7_PIPELINE]; - -static int s7_score7d = 1; - - - -static int -s7_end_of_line (char *str) -{ - int retval = s7_SUCCESS; - - s7_skip_whitespace (str); - if (*str != '\0') - { - retval = (int) s7_FAIL; - - if (!s7_inst.error) - s7_inst.error = s7_BAD_GARBAGE; - } - - return retval; -} - -static int -s7_score_reg_parse (char **ccp, struct hash_control *htab) -{ - char *start = *ccp; - char c; - char *p; - struct s7_reg_entry *reg; - - p = start; - if (!ISALPHA (*p) || !is_name_beginner (*p)) - return (int) s7_FAIL; - - c = *p++; - - while (ISALPHA (c) || ISDIGIT (c) || c == '_') - c = *p++; - - *--p = 0; - reg = (struct s7_reg_entry *) hash_find (htab, start); - *p = c; - - if (reg) - { - *ccp = p; - return reg->number; - } - return (int) s7_FAIL; -} - -/* If shift <= 0, only return reg. */ -static int -s7_reg_required_here (char **str, int shift, enum s7_score_reg_type reg_type) -{ - static char buff[s7_MAX_LITERAL_POOL_SIZE]; - int reg = (int) s7_FAIL; - char *start = *str; - - if ((reg = s7_score_reg_parse (str, s7_all_reg_maps[reg_type].htab)) != (int) s7_FAIL) - { - if (reg_type == s7_REG_TYPE_SCORE) - { - if ((reg == 1) && (s7_nor1 == 1) && (s7_inst.bwarn == 0)) - { - as_warn (_("Using temp register(r1)")); - s7_inst.bwarn = 1; - } - } - if (shift >= 0) - { - if (reg_type == s7_REG_TYPE_SCORE_CR) - strcpy (s7_inst.reg, s7_score_crn_table[reg].name); - else if (reg_type == s7_REG_TYPE_SCORE_SR) - strcpy (s7_inst.reg, s7_score_srn_table[reg].name); - else - strcpy (s7_inst.reg, ""); - - s7_inst.instruction |= reg << shift; - } - } - else - { - *str = start; - sprintf (buff, _("register expected, not '%.100s'"), start); - s7_inst.error = buff; - } - - return reg; -} - -static int -s7_skip_past_comma (char **str) -{ - char *p = *str; - char c; - int comma = 0; - - while ((c = *p) == ' ' || c == ',') - { - p++; - if (c == ',' && comma++) - { - s7_inst.error = s7_BAD_SKIP_COMMA; - return (int) s7_FAIL; - } - } - - if ((c == '\0') || (comma == 0)) - { - s7_inst.error = s7_BAD_SKIP_COMMA; - return (int) s7_FAIL; - } - - *str = p; - return comma ? s7_SUCCESS : (int) s7_FAIL; -} - -static void -s7_do_rdrsrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else - { - if ((((s7_inst.instruction >> 15) & 0x10) == 0) - && (((s7_inst.instruction >> 10) & 0x10) == 0) - && (((s7_inst.instruction >> 20) & 0x10) == 0) - && (s7_inst.relax_inst != 0x8000) - && (((s7_inst.instruction >> 20) & 0xf) == ((s7_inst.instruction >> 15) & 0xf))) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 4) - | (((s7_inst.instruction >> 15) & 0xf) << 8); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } -} - -static int -s7_walk_no_bignums (symbolS * sp) -{ - if (symbol_get_value_expression (sp)->X_op == O_big) - return 1; - - if (symbol_get_value_expression (sp)->X_add_symbol) - return (s7_walk_no_bignums (symbol_get_value_expression (sp)->X_add_symbol) - || (symbol_get_value_expression (sp)->X_op_symbol - && s7_walk_no_bignums (symbol_get_value_expression (sp)->X_op_symbol))); - - return 0; -} - -static int -s7_my_get_expression (expressionS * ep, char **str) -{ - char *save_in; - - save_in = input_line_pointer; - input_line_pointer = *str; - s7_in_my_get_expression = 1; - - (void) expression (ep); - s7_in_my_get_expression = 0; - - if (ep->X_op == O_illegal) - { - *str = input_line_pointer; - input_line_pointer = save_in; - s7_inst.error = _("illegal expression"); - return (int) s7_FAIL; - } - /* Get rid of any bignums now, so that we don't generate an error for which - we can't establish a line number later on. Big numbers are never valid - in instructions, which is where this routine is always called. */ - if (ep->X_op == O_big - || (ep->X_add_symbol - && (s7_walk_no_bignums (ep->X_add_symbol) - || (ep->X_op_symbol && s7_walk_no_bignums (ep->X_op_symbol))))) - { - s7_inst.error = _("invalid constant"); - *str = input_line_pointer; - input_line_pointer = save_in; - return (int) s7_FAIL; - } - - if ((ep->X_add_symbol != NULL) - && (s7_inst.type != PC_DISP19div2) - && (s7_inst.type != PC_DISP8div2) - && (s7_inst.type != PC_DISP24div2) - && (s7_inst.type != PC_DISP11div2) - && (s7_inst.type != Insn_Type_SYN) - && (s7_inst.type != Rd_rvalueRs_SI15) - && (s7_inst.type != Rd_lvalueRs_SI15) - && (s7_inst.type != Insn_internal)) - { - s7_inst.error = s7_BAD_ARGS; - *str = input_line_pointer; - input_line_pointer = save_in; - return (int) s7_FAIL; - } - - *str = input_line_pointer; - input_line_pointer = save_in; - return s7_SUCCESS; -} - -/* Check if an immediate is valid. If so, convert it to the right format. */ - -static bfd_signed_vma -s7_validate_immediate (bfd_signed_vma val, unsigned int data_type, int hex_p) -{ - switch (data_type) - { - case _VALUE_HI16: - { - int val_hi = ((val & 0xffff0000) >> 16); - - if (s7_score_df_range[data_type].range[0] <= val_hi - && val_hi <= s7_score_df_range[data_type].range[1]) - return val_hi; - } - break; - - case _VALUE_LO16: - { - int val_lo = (val & 0xffff); - - if (s7_score_df_range[data_type].range[0] <= val_lo - && val_lo <= s7_score_df_range[data_type].range[1]) - return val_lo; - } - break; - - case _SIMM12: - if (hex_p == 1) - { - if (!(val >= -0x800 && val <= 0xfff)) - { - return (int) s7_FAIL; - } - } - else - { - if (!(val >= -2048 && val <= 2047)) - { - return (int) s7_FAIL; - } - } - - return val; - break; - - case _SIMM14: - if (hex_p == 1) - { - if (!(val >= -0x2000 && val <= 0x3fff)) - { - return (int) s7_FAIL; - } - } - else - { - if (!(val >= -8192 && val <= 8191)) - { - return (int) s7_FAIL; - } - } - - return val; - break; - - case _SIMM15: - if (hex_p == 1) - { - if (!(val >= -0x4000 && val <= 0x7fff)) - { - return (int) s7_FAIL; - } - } - else - { - if (!(val >= -16384 && val <= 16383)) - { - return (int) s7_FAIL; - } - } - - return val; - break; - - case _SIMM16: - if (hex_p == 1) - { - if (!(val >= -0x8000 && val <= 0xffff)) - { - return (int) s7_FAIL; - } - } - else - { - if (!(val >= -32768 && val <= 32767)) - { - return (int) s7_FAIL; - } - } - - return val; - break; - - case _SIMM16_NEG: - if (hex_p == 1) - { - if (!(val >= -0x7fff && val <= 0xffff && val != 0x8000)) - { - return (int) s7_FAIL; - } - } - else - { - if (!(val >= -32767 && val <= 32768)) - { - return (int) s7_FAIL; - } - } - - val = -val; - return val; - break; - - case _IMM32: - if (val >= 0 && val <= 0xffffffff) - { - return val; - } - else - { - return (int) s7_FAIL; - } - - default: - if (data_type == _SIMM14_NEG || data_type == _IMM16_NEG) - val = -val; - - if (s7_score_df_range[data_type].range[0] <= val - && val <= s7_score_df_range[data_type].range[1]) - return val; - - break; - } - - return (int) s7_FAIL; -} - -static int -s7_data_op2 (char **str, int shift, enum score_data_type data_type) -{ - int value; - char data_exp[s7_MAX_LITERAL_POOL_SIZE]; - char *dataptr; - int cnt = 0; - char *pp = NULL; - - s7_skip_whitespace (*str); - s7_inst.error = NULL; - dataptr = * str; - - /* Set hex_p to zero. */ - int hex_p = 0; - - while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= s7_MAX_LITERAL_POOL_SIZE)) /* 0x7c = ='|' */ - { - data_exp[cnt] = *dataptr; - dataptr++; - cnt++; - } - - data_exp[cnt] = '\0'; - pp = (char *)&data_exp; - - if (*dataptr == '|') /* process PCE */ - { - if (s7_my_get_expression (&s7_inst.reloc.exp, &pp) == (int) s7_FAIL) - return (int) s7_FAIL; - s7_end_of_line (pp); - if (s7_inst.error != 0) - return (int) s7_FAIL; /* to ouptut_inst to printf out the error */ - *str = dataptr; - } - else /* process 16 bit */ - { - if (s7_my_get_expression (&s7_inst.reloc.exp, str) == (int) s7_FAIL) - { - return (int) s7_FAIL; - } - - dataptr = (char *) data_exp; - for (; *dataptr != '\0'; dataptr++) - { - *dataptr = TOLOWER (*dataptr); - if (*dataptr == '!' || *dataptr == ' ') - break; - } - dataptr = (char *) data_exp; - - if ((dataptr != NULL) - && (((strstr (dataptr, "0x")) != NULL) - || ((strstr (dataptr, "0X")) != NULL))) - { - hex_p = 1; - if ((data_type != _SIMM16_LA) - && (data_type != _VALUE_HI16) - && (data_type != _VALUE_LO16) - && (data_type != _IMM16) - && (data_type != _IMM15) - && (data_type != _IMM14) - && (data_type != _IMM4) - && (data_type != _IMM5) - && (data_type != _IMM8) - && (data_type != _IMM5_RSHIFT_1) - && (data_type != _IMM5_RSHIFT_2) - && (data_type != _SIMM14) - && (data_type != _SIMM16) - && (data_type != _SIMM14_NEG) - && (data_type != _SIMM16_NEG) - && (data_type != _IMM10_RSHIFT_2) - && (data_type != _GP_IMM15)) - { - data_type += 24; - } - } - - if ((s7_inst.reloc.exp.X_add_number == 0) - /* for "addi r0,-((((((32*4)+4)+4)+4)+4)&0xf)". */ - && (s7_inst.type != Rd_SI16) - && (s7_inst.type != Insn_Type_SYN) - && (s7_inst.type != Rd_rvalueRs_SI15) - && (s7_inst.type != Rd_lvalueRs_SI15) - && (s7_inst.type != Insn_internal) - && (((*dataptr >= 'a') && (*dataptr <= 'z')) - || ((*dataptr == '0') && (*(dataptr + 1) == 'x') && (*(dataptr + 2) != '0')) - || ((*dataptr == '+') && (*(dataptr + 1) != '0')) - || ((*dataptr == '-') && (*(dataptr + 1) != '0')))) - { - s7_inst.error = s7_BAD_ARGS; - return (int) s7_FAIL; - } - } - - if ((s7_inst.reloc.exp.X_add_symbol) - && ((data_type == _SIMM16) - || (data_type == _SIMM16_NEG) - || (data_type == _IMM16_NEG) - || (data_type == _SIMM14) - || (data_type == _SIMM14_NEG) - || (data_type == _IMM5) - || (data_type == _IMM14) - || (data_type == _IMM20) - || (data_type == _IMM16) - || (data_type == _IMM15) - || (data_type == _IMM4))) - { - s7_inst.error = s7_BAD_ARGS; - return (int) s7_FAIL; - } - - if (s7_inst.reloc.exp.X_add_symbol) - { - switch (data_type) - { - case _SIMM16_LA: - return (int) s7_FAIL; - case _VALUE_HI16: - s7_inst.reloc.type = BFD_RELOC_HI16_S; - s7_inst.reloc.pc_rel = 0; - break; - case _VALUE_LO16: - s7_inst.reloc.type = BFD_RELOC_LO16; - s7_inst.reloc.pc_rel = 0; - break; - case _GP_IMM15: - s7_inst.reloc.type = BFD_RELOC_SCORE_GPREL15; - s7_inst.reloc.pc_rel = 0; - break; - case _SIMM16_pic: - case _IMM16_LO16_pic: - s7_inst.reloc.type = BFD_RELOC_SCORE_GOT_LO16; - s7_inst.reloc.pc_rel = 0; - break; - default: - s7_inst.reloc.type = BFD_RELOC_32; - s7_inst.reloc.pc_rel = 0; - break; - } - } - else - { - if (data_type == _IMM16_pic) - { - s7_inst.reloc.type = BFD_RELOC_SCORE_DUMMY_HI16; - s7_inst.reloc.pc_rel = 0; - } - - if (data_type == _SIMM16_LA && s7_inst.reloc.exp.X_unsigned == 1) - { - value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, _SIMM16_LA_POS, hex_p); - if (value == (int) s7_FAIL) /* for advance to check if this is ldis */ - if ((s7_inst.reloc.exp.X_add_number & 0xffff) == 0) - { - s7_inst.instruction |= 0x8000000; - s7_inst.instruction |= ((s7_inst.reloc.exp.X_add_number >> 16) << 1) & 0x1fffe; - return s7_SUCCESS; - } - } - else - { - value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, data_type, hex_p); - } - - if (value == (int) s7_FAIL) - { - if ((data_type != _SIMM14_NEG) && (data_type != _SIMM16_NEG) && (data_type != _IMM16_NEG)) - { - sprintf (s7_err_msg, - _("invalid constant: %d bit expression not in range %d..%d"), - s7_score_df_range[data_type].bits, - s7_score_df_range[data_type].range[0], s7_score_df_range[data_type].range[1]); - } - else - { - sprintf (s7_err_msg, - _("invalid constant: %d bit expression not in range %d..%d"), - s7_score_df_range[data_type].bits, - -s7_score_df_range[data_type].range[1], -s7_score_df_range[data_type].range[0]); - } - - s7_inst.error = s7_err_msg; - return (int) s7_FAIL; - } - - if ((s7_score_df_range[data_type].range[0] != 0) || (data_type == _IMM5_RANGE_8_31)) - { - value &= (1 << s7_score_df_range[data_type].bits) - 1; - } - - s7_inst.instruction |= value << shift; - } - - if ((s7_inst.instruction & 0x3e000000) == 0x30000000) - { - if ((((s7_inst.instruction >> 20) & 0x1F) != 0) - && (((s7_inst.instruction >> 20) & 0x1F) != 1) - && (((s7_inst.instruction >> 20) & 0x1F) != 2) - && (((s7_inst.instruction >> 20) & 0x1F) != 3) - && (((s7_inst.instruction >> 20) & 0x1F) != 4) - && (((s7_inst.instruction >> 20) & 0x1F) != 8) - && (((s7_inst.instruction >> 20) & 0x1F) != 9) - && (((s7_inst.instruction >> 20) & 0x1F) != 0xa) - && (((s7_inst.instruction >> 20) & 0x1F) != 0xb) - && (((s7_inst.instruction >> 20) & 0x1F) != 0xc) - && (((s7_inst.instruction >> 20) & 0x1F) != 0xd) - && (((s7_inst.instruction >> 20) & 0x1F) != 0xe) - && (((s7_inst.instruction >> 20) & 0x1F) != 0x10) - && (((s7_inst.instruction >> 20) & 0x1F) != 0x11) - && (((s7_inst.instruction >> 20) & 0x1F) != 0x18) - && (((s7_inst.instruction >> 20) & 0x1F) != 0x1A) - && (((s7_inst.instruction >> 20) & 0x1F) != 0x1B) - && (((s7_inst.instruction >> 20) & 0x1F) != 0x1d) - && (((s7_inst.instruction >> 20) & 0x1F) != 0x1e) - && (((s7_inst.instruction >> 20) & 0x1F) != 0x1f)) - { - s7_inst.error = _("invalid constant: bit expression not defined"); - return (int) s7_FAIL; - } - } - - return s7_SUCCESS; -} - -/* Handle addi/addi.c/addis.c/cmpi.c/addis.c/ldi. */ - -static void -s7_do_rdsi16 (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_data_op2 (&str, 1, _SIMM16) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - - /* ldi. */ - if ((s7_inst.instruction & 0x20c0000) == 0x20c0000) - { - if ((((s7_inst.instruction >> 20) & 0x10) == 0x10) || ((s7_inst.instruction & 0x1fe00) != 0)) - { - s7_inst.relax_inst = 0x8000; - } - else - { - s7_inst.relax_inst |= (s7_inst.instruction >> 1) & 0xff; - s7_inst.relax_inst |= (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - } - else if (((s7_inst.instruction >> 20) & 0x10) == 0x10) - { - s7_inst.relax_inst = 0x8000; - } -} - -/* Handle subi/subi.c. */ - -static void -s7_do_sub_rdsi16 (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_data_op2 (&str, 1, _SIMM16_NEG) != (int) s7_FAIL) - s7_end_of_line (str); -} - - -/* Handle addri/addri.c. */ - -static void -s7_do_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */ -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL) - s7_data_op2 (&str, 1, _SIMM14); -} - -/* Handle subri.c/subri. */ - -static void -s7_do_sub_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */ -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_data_op2 (&str, 1, _SIMM14_NEG) != (int) s7_FAIL) - s7_end_of_line (str); -} - -/* Handle bitclr.c/bitset.c/bittgl.c/slli.c/srai.c/srli.c/roli.c/rori.c/rolic.c. */ - -static void -s7_do_rdrsi5 (char *str) /* 0~((2^14)-1) */ -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_data_op2 (&str, 10, _IMM5) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - - if ((((s7_inst.instruction >> 20) & 0x1f) == ((s7_inst.instruction >> 15) & 0x1f)) - && (s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 15) & 0x10) == 0)) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0x1f) << 3) | (((s7_inst.instruction >> 15) & 0xf) << 8); - s7_inst.relax_size = 2; - } - else - s7_inst.relax_inst = 0x8000; -} - -/* Handle andri/orri/andri.c/orri.c. */ - -static void -s7_do_rdrsi14 (char *str) /* 0 ~ ((2^14)-1) */ -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_data_op2 (&str, 1, _IMM14) != (int) s7_FAIL) - s7_end_of_line (str); -} - -/* Handle bittst.c. */ - -static void -s7_do_xrsi5 (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_data_op2 (&str, 10, _IMM5) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - - if ((s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 15) & 0x10) == 0)) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0x1f) << 3) | (((s7_inst.instruction >> 15) & 0xf) << 8); - s7_inst.relax_size = 2; - } - else - s7_inst.relax_inst = 0x8000; -} - -/* Handle addis/andi/ori/andis/oris/ldis. */ - -static void -s7_do_rdi16 (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_data_op2 (&str, 1, _IMM16) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; -} - -static void -s7_do_macro_rdi32hi (char *str) -{ - s7_skip_whitespace (str); - - /* Do not handle s7_end_of_line(). */ - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL) - s7_data_op2 (&str, 1, _VALUE_HI16); -} - -static void -s7_do_macro_rdi32lo (char *str) -{ - s7_skip_whitespace (str); - - /* Do not handle s7_end_of_line(). */ - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL) - s7_data_op2 (&str, 1, _VALUE_LO16); -} - -/* Handle ldis_pic. */ - -static void -s7_do_rdi16_pic (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_data_op2 (&str, 1, _IMM16_pic) != (int) s7_FAIL) - s7_end_of_line (str); -} - -/* Handle addi_s_pic to generate R_SCORE_GOT_LO16 . */ - -static void -s7_do_addi_s_pic (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_data_op2 (&str, 1, _SIMM16_pic) != (int) s7_FAIL) - s7_end_of_line (str); -} - -/* Handle addi_u_pic to generate R_SCORE_GOT_LO16 . */ - -static void -s7_do_addi_u_pic (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_data_op2 (&str, 1, _IMM16_LO16_pic) != (int) s7_FAIL) - s7_end_of_line (str); -} - -/* Handle mfceh/mfcel/mtceh/mtchl. */ - -static void -s7_do_rd (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL) - s7_end_of_line (str); -} - -static void -s7_do_rs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - - if ((s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 15) & 0x10) == 0)) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 8) | (((s7_inst.instruction >> 15) & 0xf) << 4); - s7_inst.relax_size = 2; - } - else - s7_inst.relax_inst = 0x8000; -} - -static void -s7_do_i15 (char *str) -{ - s7_skip_whitespace (str); - - if (s7_data_op2 (&str, 10, _IMM15) != (int) s7_FAIL) - s7_end_of_line (str); -} - -static void -s7_do_xi5x (char *str) -{ - s7_skip_whitespace (str); - - if (s7_data_op2 (&str, 15, _IMM5) == (int) s7_FAIL || s7_end_of_line (str) == (int) s7_FAIL) - return; - - if (s7_inst.relax_inst != 0x8000) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0x1f) << 3); - s7_inst.relax_size = 2; - } -} - -static void -s7_do_rdrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - - if (s7_inst.relax_inst != 0x8000) - { - if (((s7_inst.instruction & 0x7f) == 0x56)) /* adjust mv -> mv! / mlfh! / mhfl! */ - { - /* mlfh */ - if ((((s7_inst.instruction >> 15) & 0x10) != 0x0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - s7_inst.relax_inst = 0x00000001 | (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - /* mhfl */ - else if ((((s7_inst.instruction >> 15) & 0x10) == 0x0) && ((s7_inst.instruction >> 20) & 0x10) != 0) - { - s7_inst.relax_inst = 0x00000002 | (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - else if ((((s7_inst.instruction >> 15) & 0x10) == 0x0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else if ((((s7_inst.instruction >> 15) & 0x10) == 0x0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } -} - -/* Handle mfcr/mtcr. */ -static void -s7_do_rdcrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE_CR) != (int) s7_FAIL) - s7_end_of_line (str); -} - -/* Handle mfsr/mtsr. */ - -static void -s7_do_rdsrs (char *str) -{ - s7_skip_whitespace (str); - - /* mfsr */ - if ((s7_inst.instruction & 0xff) == 0x50) - { - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE_SR) != (int) s7_FAIL) - s7_end_of_line (str); - } - else - { - if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL) - s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE_SR); - } -} - -/* Handle neg. */ - -static void -s7_do_rdxrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - - if ((s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 10) & 0x10) == 0) - && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 4) | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - else - s7_inst.relax_inst = 0x8000; -} - -/* Handle cmp.c/cmp<cond>. */ -static void -s7_do_rsrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - - if ((s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 20) & 0x1f) == 3) - && (((s7_inst.instruction >> 10) & 0x10) == 0) && (((s7_inst.instruction >> 15) & 0x10) == 0)) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 4) | (((s7_inst.instruction >> 15) & 0xf) << 8); - s7_inst.relax_size = 2; - } - else - s7_inst.relax_inst = 0x8000; -} - -static void -s7_do_ceinst (char *str) -{ - char *strbak; - - strbak = str; - s7_skip_whitespace (str); - - if (s7_data_op2 (&str, 20, _IMM5) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_data_op2 (&str, 5, _IMM5) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_data_op2 (&str, 0, _IMM5) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else - { - str = strbak; - if (s7_data_op2 (&str, 0, _IMM25) == (int) s7_FAIL) - return; - } -} - -static int -s7_reglow_required_here (char **str, int shift) -{ - static char buff[s7_MAX_LITERAL_POOL_SIZE]; - int reg; - char *start = *str; - - if ((reg = s7_score_reg_parse (str, s7_all_reg_maps[s7_REG_TYPE_SCORE].htab)) != (int) s7_FAIL) - { - if ((reg == 1) && (s7_nor1 == 1) && (s7_inst.bwarn == 0)) - { - as_warn (_("Using temp register(r1)")); - s7_inst.bwarn = 1; - } - if (reg < 16) - { - if (shift >= 0) - s7_inst.instruction |= reg << shift; - - return reg; - } - } - - /* Restore the start point, we may have got a reg of the wrong class. */ - *str = start; - sprintf (buff, _("low register(r0-r15)expected, not '%.100s'"), start); - s7_inst.error = buff; - return (int) s7_FAIL; -} - -/* Handle addc!/add!/and!/cmp!/neg!/not!/or!/sll!/srl!/sra!/xor!/sub!. */ - -static void -s7_do16_rdrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reglow_required_here (&str, 8) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reglow_required_here (&str, 4) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else - { - if ((s7_inst.instruction & 0x700f) == 0x2003) /* cmp! */ - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 15) - | (((s7_inst.instruction >> 4) & 0xf) << 10); - } - else if ((s7_inst.instruction & 0x700f) == 0x2006) /* not! */ - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | (((s7_inst.instruction >> 4) & 0xf) << 15); - } - else if ((s7_inst.instruction & 0x700f) == 0x1009) /* mazh.f! */ - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 15) - | (((s7_inst.instruction >> 4) & 0xf) << 10); - } - else - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | (((s7_inst.instruction >> 8) & 0xf) << 15) | (((s7_inst.instruction >> 4) & 0xf) << 10); - } - s7_inst.relax_size = 4; - } -} - -static void -s7_do16_rs (char *str) -{ - int rd = 0; - - s7_skip_whitespace (str); - - if ((rd = s7_reglow_required_here (&str, 4)) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else - { - s7_inst.relax_inst |= rd << 20; - s7_inst.relax_size = 4; - } -} - -/* Handle br!/brl!. */ - -static void -s7_do16_xrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reglow_required_here (&str, 4) == (int) s7_FAIL || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 10) - | (((s7_inst.instruction >> 4) & 0xf) << 15); - s7_inst.relax_size = 4; - } -} - -static int -s7_reghigh_required_here (char **str, int shift) -{ - static char buff[s7_MAX_LITERAL_POOL_SIZE]; - int reg; - char *start = *str; - - if ((reg = s7_score_reg_parse (str, s7_all_reg_maps[s7_REG_TYPE_SCORE].htab)) != (int) s7_FAIL) - { - if (15 < reg && reg < 32) - { - if (shift >= 0) - s7_inst.instruction |= (reg & 0xf) << shift; - - return reg; - } - } - - *str = start; - sprintf (buff, _("high register(r16-r31)expected, not '%.100s'"), start); - s7_inst.error = buff; - return (int) s7_FAIL; -} - -/* Handle mhfl!. */ - -static void -s7_do16_hrdrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reghigh_required_here (&str, 8) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_reglow_required_here (&str, 4) != (int) s7_FAIL - && s7_end_of_line (str) != (int) s7_FAIL) - { - s7_inst.relax_inst |= ((((s7_inst.instruction >> 8) & 0xf) | 0x10) << 20) - | (((s7_inst.instruction >> 4) & 0xf) << 15) | (0xf << 10); - s7_inst.relax_size = 4; - } -} - -/* Handle mlfh!. */ - -static void -s7_do16_rdhrs (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reglow_required_here (&str, 8) != (int) s7_FAIL - && s7_skip_past_comma (&str) != (int) s7_FAIL - && s7_reghigh_required_here (&str, 4) != (int) s7_FAIL - && s7_end_of_line (str) != (int) s7_FAIL) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | ((((s7_inst.instruction >> 4) & 0xf) | 0x10) << 15) | (0xf << 10); - s7_inst.relax_size = 4; - } -} - -/* We need to be able to fix up arbitrary expressions in some statements. - This is so that we can handle symbols that are an arbitrary distance from - the pc. The most common cases are of the form ((+/-sym -/+ . - 8) & mask), - which returns part of an address in a form which will be valid for - a data instruction. We do this by pushing the expression into a symbol - in the expr_section, and creating a fix for that. */ - -static fixS * -s7_fix_new_score (fragS * frag, int where, short int size, expressionS * exp, int pc_rel, int reloc) -{ - fixS *new_fix; - - switch (exp->X_op) - { - case O_constant: - case O_symbol: - case O_add: - case O_subtract: - new_fix = fix_new_exp (frag, where, size, exp, pc_rel, reloc); - break; - default: - new_fix = fix_new (frag, where, size, make_expr_symbol (exp), 0, pc_rel, reloc); - break; - } - return new_fix; -} - -static void -s7_init_dependency_vector (void) -{ - int i; - - for (i = 0; i < s7_vector_size; i++) - memset (&s7_dependency_vector[i], '\0', sizeof (s7_dependency_vector[i])); - - return; -} - -static enum s7_insn_type_for_dependency -s7_dependency_type_from_insn (char *insn_name) -{ - char name[s7_INSN_NAME_LEN]; - const struct s7_insn_to_dependency *tmp; - - strcpy (name, insn_name); - tmp = (const struct s7_insn_to_dependency *) hash_find (s7_dependency_insn_hsh, name); - - if (tmp) - return tmp->type; - - return s7_D_all_insn; -} - -static int -s7_check_dependency (char *pre_insn, char *pre_reg, - char *cur_insn, char *cur_reg, int *warn_or_error) -{ - int bubbles = 0; - unsigned int i; - enum s7_insn_type_for_dependency pre_insn_type; - enum s7_insn_type_for_dependency cur_insn_type; - - pre_insn_type = s7_dependency_type_from_insn (pre_insn); - cur_insn_type = s7_dependency_type_from_insn (cur_insn); - - for (i = 0; i < sizeof (s7_data_dependency_table) / sizeof (s7_data_dependency_table[0]); i++) - { - if ((pre_insn_type == s7_data_dependency_table[i].pre_insn_type) - && (s7_D_all_insn == s7_data_dependency_table[i].cur_insn_type - || cur_insn_type == s7_data_dependency_table[i].cur_insn_type) - && (strcmp (s7_data_dependency_table[i].pre_reg, "") == 0 - || strcmp (s7_data_dependency_table[i].pre_reg, pre_reg) == 0) - && (strcmp (s7_data_dependency_table[i].cur_reg, "") == 0 - || strcmp (s7_data_dependency_table[i].cur_reg, cur_reg) == 0)) - { - if (s7_vector_size == s7_SCORE5_PIPELINE) - bubbles = s7_data_dependency_table[i].bubblenum_5; - else - bubbles = s7_data_dependency_table[i].bubblenum_7; - *warn_or_error = s7_data_dependency_table[i].warn_or_error; - break; - } - } - - return bubbles; -} - -/* Turn an integer of n bytes (in val) into a stream of bytes appropriate - for use in the a.out file, and stores them in the array pointed to by buf. - This knows about the endian-ness of the target machine and does - THE RIGHT THING, whatever it is. Possible values for n are 1 (byte) - 2 (short) and 4 (long) Floating numbers are put out as a series of - LITTLENUMS (shorts, here at least). */ - -static void -s7_number_to_chars (char *buf, valueT val, int n) -{ - if (target_big_endian) - number_to_chars_bigendian (buf, val, n); - else - number_to_chars_littleendian (buf, val, n); -} - -static void -s7_build_one_frag (struct s7_score_it one_inst) -{ - char *p; - int relaxable_p = s7_g_opt; - int relax_size = 0; - - /* Start a new frag if frag_now is not empty. */ - if (frag_now_fix () != 0) - { - if (!frag_now->tc_frag_data.is_insn) - frag_wane (frag_now); - - frag_new (0); - } - frag_grow (20); - - p = frag_more (one_inst.size); - s7_number_to_chars (p, one_inst.instruction, one_inst.size); - -#ifdef OBJ_ELF - dwarf2_emit_insn (one_inst.size); -#endif - - relaxable_p &= (one_inst.relax_size != 0); - relax_size = relaxable_p ? one_inst.relax_size : 0; - - p = frag_var (rs_machine_dependent, relax_size + s7_RELAX_PAD_BYTE, 0, - s7_RELAX_ENCODE (one_inst.size, one_inst.relax_size, - one_inst.type, 0, 0, relaxable_p), - NULL, 0, NULL); - - if (relaxable_p) - s7_number_to_chars (p, one_inst.relax_inst, relax_size); -} - -static void -s7_handle_dependency (struct s7_score_it *theinst) -{ - int i; - int warn_or_error = 0; /* warn - 0; error - 1 */ - int bubbles = 0; - int remainder_bubbles = 0; - char cur_insn[s7_INSN_NAME_LEN]; - char pre_insn[s7_INSN_NAME_LEN]; - struct s7_score_it nop_inst; - struct s7_score_it pflush_inst; - - nop_inst.instruction = 0x0000; - nop_inst.size = 2; - nop_inst.relax_inst = 0x80008000; - nop_inst.relax_size = 4; - nop_inst.type = NO16_OPD; - - pflush_inst.instruction = 0x8000800a; - pflush_inst.size = 4; - pflush_inst.relax_inst = 0x8000; - pflush_inst.relax_size = 0; - pflush_inst.type = NO_OPD; - - /* pflush will clear all data dependency. */ - if (strcmp (theinst->name, "pflush") == 0) - { - s7_init_dependency_vector (); - return; - } - - /* Push current instruction to s7_dependency_vector[0]. */ - for (i = s7_vector_size - 1; i > 0; i--) - memcpy (&s7_dependency_vector[i], &s7_dependency_vector[i - 1], sizeof (s7_dependency_vector[i])); - - memcpy (&s7_dependency_vector[0], theinst, sizeof (s7_dependency_vector[i])); - - /* There is no dependency between nop and any instruction. */ - if (strcmp (s7_dependency_vector[0].name, "nop") == 0 - || strcmp (s7_dependency_vector[0].name, "nop!") == 0) - return; - - /* "pce" is defined in s7_insn_to_dependency_table. */ -#define PCE_NAME "pce" - - if (s7_dependency_vector[0].type == Insn_Type_PCE) - strcpy (cur_insn, PCE_NAME); - else - strcpy (cur_insn, s7_dependency_vector[0].name); - - for (i = 1; i < s7_vector_size; i++) - { - /* The element of s7_dependency_vector is NULL. */ - if (s7_dependency_vector[i].name[0] == '\0') - continue; - - if (s7_dependency_vector[i].type == Insn_Type_PCE) - strcpy (pre_insn, PCE_NAME); - else - strcpy (pre_insn, s7_dependency_vector[i].name); - - bubbles = s7_check_dependency (pre_insn, s7_dependency_vector[i].reg, - cur_insn, s7_dependency_vector[0].reg, &warn_or_error); - remainder_bubbles = bubbles - i + 1; - - if (remainder_bubbles > 0) - { - int j; - - if (s7_fix_data_dependency == 1) - { - if (remainder_bubbles <= 2) - { - if (s7_warn_fix_data_dependency) - as_warn (_("Fix data dependency: %s %s -- %s %s (insert %d nop!/%d)"), - s7_dependency_vector[i].name, s7_dependency_vector[i].reg, - s7_dependency_vector[0].name, s7_dependency_vector[0].reg, - remainder_bubbles, bubbles); - - for (j = (s7_vector_size - 1); (j - remainder_bubbles) > 0; j--) - memcpy (&s7_dependency_vector[j], &s7_dependency_vector[j - remainder_bubbles], - sizeof (s7_dependency_vector[j])); - - for (j = 1; j <= remainder_bubbles; j++) - { - memset (&s7_dependency_vector[j], '\0', sizeof (s7_dependency_vector[j])); - /* Insert nop!. */ - s7_build_one_frag (nop_inst); - } - } - else - { - if (s7_warn_fix_data_dependency) - as_warn (_("Fix data dependency: %s %s -- %s %s (insert 1 pflush/%d)"), - s7_dependency_vector[i].name, s7_dependency_vector[i].reg, - s7_dependency_vector[0].name, s7_dependency_vector[0].reg, - bubbles); - - for (j = 1; j < s7_vector_size; j++) - memset (&s7_dependency_vector[j], '\0', sizeof (s7_dependency_vector[j])); - - /* Insert pflush. */ - s7_build_one_frag (pflush_inst); - } - } - else - { - if (warn_or_error) - { - as_bad (_("data dependency: %s %s -- %s %s (%d/%d bubble)"), - s7_dependency_vector[i].name, s7_dependency_vector[i].reg, - s7_dependency_vector[0].name, s7_dependency_vector[0].reg, - remainder_bubbles, bubbles); - } - else - { - as_warn (_("data dependency: %s %s -- %s %s (%d/%d bubble)"), - s7_dependency_vector[i].name, s7_dependency_vector[i].reg, - s7_dependency_vector[0].name, s7_dependency_vector[0].reg, - remainder_bubbles, bubbles); - } - } - } - } -} - -static enum insn_class -s7_get_insn_class_from_type (enum score_insn_type type) -{ - enum insn_class retval = (int) s7_FAIL; - - switch (type) - { - case Rd_I4: - case Rd_I5: - case Rd_rvalueBP_I5: - case Rd_lvalueBP_I5: - case Rd_I8: - case PC_DISP8div2: - case PC_DISP11div2: - case Rd_Rs: - case Rd_HighRs: - case Rd_lvalueRs: - case Rd_rvalueRs: - case x_Rs: - case Rd_LowRs: - case NO16_OPD: - retval = INSN_CLASS_16; - break; - case Rd_Rs_I5: - case x_Rs_I5: - case x_I5_x: - case Rd_Rs_I14: - case I15: - case Rd_I16: - case Rd_SI16: - case Rd_rvalueRs_SI10: - case Rd_lvalueRs_SI10: - case Rd_rvalueRs_preSI12: - case Rd_rvalueRs_postSI12: - case Rd_lvalueRs_preSI12: - case Rd_lvalueRs_postSI12: - case Rd_Rs_SI14: - case Rd_rvalueRs_SI15: - case Rd_lvalueRs_SI15: - case PC_DISP19div2: - case PC_DISP24div2: - case Rd_Rs_Rs: - case x_Rs_x: - case x_Rs_Rs: - case Rd_Rs_x: - case Rd_x_Rs: - case Rd_x_x: - case OP5_rvalueRs_SI15: - case I5_Rs_Rs_I5_OP5: - case x_rvalueRs_post4: - case Rd_rvalueRs_post4: - case Rd_x_I5: - case Rd_lvalueRs_post4: - case x_lvalueRs_post4: - case Rd_Rs_Rs_imm: - case NO_OPD: - case Rd_lvalue32Rs: - case Rd_rvalue32Rs: - case Insn_GP: - case Insn_PIC: - case Insn_internal: - retval = INSN_CLASS_32; - break; - case Insn_Type_PCE: - retval = INSN_CLASS_PCE; - break; - case Insn_Type_SYN: - retval = INSN_CLASS_SYN; - break; - default: - abort (); - break; - } - return retval; -} - -static unsigned long -s7_adjust_paritybit (unsigned long m_code, enum insn_class i_class) -{ - unsigned long result = 0; - unsigned long m_code_high = 0; - unsigned long m_code_low = 0; - unsigned long pb_high = 0; - unsigned long pb_low = 0; - - if (i_class == INSN_CLASS_32) - { - pb_high = 0x80000000; - pb_low = 0x00008000; - } - else if (i_class == INSN_CLASS_16) - { - pb_high = 0; - pb_low = 0; - } - else if (i_class == INSN_CLASS_PCE) - { - pb_high = 0; - pb_low = 0x00008000; - } - else if (i_class == INSN_CLASS_SYN) - { - /* FIXME. at this time, INSN_CLASS_SYN must be 32 bit, but, instruction type should - be changed if macro instruction has been expanded. */ - pb_high = 0x80000000; - pb_low = 0x00008000; - } - else - { - abort (); - } - - m_code_high = m_code & 0x3fff8000; - m_code_low = m_code & 0x00007fff; - result = pb_high | (m_code_high << 1) | pb_low | m_code_low; - return result; - -} - -static void -s7_gen_insn_frag (struct s7_score_it *part_1, struct s7_score_it *part_2) -{ - char *p; - bfd_boolean pce_p = FALSE; - int relaxable_p = s7_g_opt; - int relax_size = 0; - struct s7_score_it *inst1 = part_1; - struct s7_score_it *inst2 = part_2; - struct s7_score_it backup_inst1; - - pce_p = (inst2) ? TRUE : FALSE; - memcpy (&backup_inst1, inst1, sizeof (struct s7_score_it)); - - /* Adjust instruction opcode and to be relaxed instruction opcode. */ - if (pce_p) - { - backup_inst1.instruction = ((backup_inst1.instruction & 0x7FFF) << 15) - | (inst2->instruction & 0x7FFF); - backup_inst1.instruction = s7_adjust_paritybit (backup_inst1.instruction, INSN_CLASS_PCE); - if (!target_big_endian) - { - unsigned long tmp = backup_inst1.instruction; - backup_inst1.instruction = ((tmp & 0xffff) << 16) - | (tmp >> 16); - } - backup_inst1.relax_inst = 0x8000; - backup_inst1.size = s7_INSN_SIZE; - backup_inst1.relax_size = 0; - backup_inst1.type = Insn_Type_PCE; - } - else - { - backup_inst1.instruction = s7_adjust_paritybit (backup_inst1.instruction, - s7_GET_INSN_CLASS (backup_inst1.type)); - } - - if (backup_inst1.relax_size != 0) - { - enum insn_class tmp; - - tmp = (backup_inst1.size == s7_INSN_SIZE) ? INSN_CLASS_16 : INSN_CLASS_32; - backup_inst1.relax_inst = s7_adjust_paritybit (backup_inst1.relax_inst, tmp); - } - - /* Check data dependency. */ - s7_handle_dependency (&backup_inst1); - - /* Start a new frag if frag_now is not empty and is not instruction frag, maybe it contains - data produced by .ascii etc. Doing this is to make one instruction per frag. */ - if (frag_now_fix () != 0) - { - if (!frag_now->tc_frag_data.is_insn) - frag_wane (frag_now); - - frag_new (0); - } - - /* Here, we must call frag_grow in order to keep the instruction frag type is - rs_machine_dependent. - For, frag_var may change frag_now->fr_type to rs_fill by calling frag_grow which - acturally will call frag_wane. - Calling frag_grow first will create a new frag_now which free size is 20 that is enough - for frag_var. */ - frag_grow (20); - - p = frag_more (backup_inst1.size); - s7_number_to_chars (p, backup_inst1.instruction, backup_inst1.size); - -#ifdef OBJ_ELF - dwarf2_emit_insn (backup_inst1.size); -#endif - - /* Generate fixup structure. */ - if (pce_p) - { - if (inst1->reloc.type != BFD_RELOC_NONE) - s7_fix_new_score (frag_now, p - frag_now->fr_literal, - inst1->size, &inst1->reloc.exp, - inst1->reloc.pc_rel, inst1->reloc.type); - - if (inst2->reloc.type != BFD_RELOC_NONE) - s7_fix_new_score (frag_now, p - frag_now->fr_literal + 2, - inst2->size, &inst2->reloc.exp, inst2->reloc.pc_rel, inst2->reloc.type); - } - else - { - if (backup_inst1.reloc.type != BFD_RELOC_NONE) - s7_fix_new_score (frag_now, p - frag_now->fr_literal, - backup_inst1.size, &backup_inst1.reloc.exp, - backup_inst1.reloc.pc_rel, backup_inst1.reloc.type); - } - - /* relax_size may be 2, 4, 12 or 0, 0 indicates no relaxation. */ - relaxable_p &= (backup_inst1.relax_size != 0); - relax_size = relaxable_p ? backup_inst1.relax_size : 0; - - p = frag_var (rs_machine_dependent, relax_size + s7_RELAX_PAD_BYTE, 0, - s7_RELAX_ENCODE (backup_inst1.size, backup_inst1.relax_size, - backup_inst1.type, 0, 0, relaxable_p), - backup_inst1.reloc.exp.X_add_symbol, 0, NULL); - - if (relaxable_p) - s7_number_to_chars (p, backup_inst1.relax_inst, relax_size); - - memcpy (inst1, &backup_inst1, sizeof (struct s7_score_it)); -} - -static void -s7_parse_16_32_inst (char *insnstr, bfd_boolean gen_frag_p) -{ - char c; - char *p; - char *operator = insnstr; - const struct s7_asm_opcode *opcode; - - /* Parse operator and operands. */ - s7_skip_whitespace (operator); - - for (p = operator; *p != '\0'; p++) - if ((*p == ' ') || (*p == '!')) - break; - - if (*p == '!') - p++; - - c = *p; - *p = '\0'; - - opcode = (const struct s7_asm_opcode *) hash_find (s7_score_ops_hsh, operator); - *p = c; - - memset (&s7_inst, '\0', sizeof (s7_inst)); - sprintf (s7_inst.str, "%s", insnstr); - if (opcode) - { - s7_inst.instruction = opcode->value; - s7_inst.relax_inst = opcode->relax_value; - s7_inst.type = opcode->type; - s7_inst.size = s7_GET_INSN_SIZE (s7_inst.type); - s7_inst.relax_size = 0; - s7_inst.bwarn = 0; - sprintf (s7_inst.name, "%s", opcode->template_name); - strcpy (s7_inst.reg, ""); - s7_inst.error = NULL; - s7_inst.reloc.type = BFD_RELOC_NONE; - - (*opcode->parms) (p); - - /* It indicates current instruction is a macro instruction if s7_inst.bwarn equals -1. */ - if ((s7_inst.bwarn != -1) && (!s7_inst.error) && (gen_frag_p)) - s7_gen_insn_frag (&s7_inst, NULL); - } - else - s7_inst.error = _("unrecognized opcode"); -} - -static int -s7_append_insn (char *str, bfd_boolean gen_frag_p) -{ - int retval = s7_SUCCESS; - - s7_parse_16_32_inst (str, gen_frag_p); - - if (s7_inst.error) - { - retval = (int) s7_FAIL; - as_bad (_("%s -- `%s'"), s7_inst.error, s7_inst.str); - s7_inst.error = NULL; - } - - return retval; -} - -/* Handle mv! reg_high, reg_low; - mv! reg_low, reg_high; - mv! reg_low, reg_low; */ -static void -s7_do16_mv_rdrs (char *str) -{ - int reg_rd; - int reg_rs; - char *backupstr = NULL; - - backupstr = str; - s7_skip_whitespace (str); - - if ((reg_rd = s7_reg_required_here (&str, 8, s7_REG_TYPE_SCORE)) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || (reg_rs = s7_reg_required_here (&str, 4, s7_REG_TYPE_SCORE)) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else - { - /* Case 1 : mv! or mlfh!. */ - if (reg_rd < 16) - { - if (reg_rs < 16) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | (((s7_inst.instruction >> 4) & 0xf) << 15) | (0xf << 10); - s7_inst.relax_size = 4; - } - else - { - char append_str[s7_MAX_LITERAL_POOL_SIZE]; - - sprintf (append_str, "mlfh! %s", backupstr); - if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) - return; - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; - } - } - /* Case 2 : mhfl!. */ - else - { - if (reg_rs > 16) - { - s7_SET_INSN_ERROR (s7_BAD_ARGS); - return; - } - else - { - char append_str[s7_MAX_LITERAL_POOL_SIZE]; - - sprintf (append_str, "mhfl! %s", backupstr); - if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) - return; - - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; - } - } - } -} - -static void -s7_do16_rdi4 (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reglow_required_here (&str, 8) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_data_op2 (&str, 3, _IMM4) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else - { - if (((s7_inst.instruction >> 3) & 0x10) == 0) /* for judge is addei or subei : bit 5 =0 : addei */ - { - if (((s7_inst.instruction >> 3) & 0xf) != 0xf) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | ((1 << ((s7_inst.instruction >> 3) & 0xf)) << 1); - s7_inst.relax_size = 4; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else - { - if (((s7_inst.instruction >> 3) & 0xf) != 0xf) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | (((-(1 << ((s7_inst.instruction >> 3) & 0xf))) & 0xffff) << 1); - s7_inst.relax_size = 4; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - } -} - -static void -s7_do16_rdi5 (char *str) -{ - s7_skip_whitespace (str); - - if (s7_reglow_required_here (&str, 8) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_data_op2 (&str, 3, _IMM5) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - else - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | (((s7_inst.instruction >> 8) & 0xf) << 15) | (((s7_inst.instruction >> 3) & 0x1f) << 10); - s7_inst.relax_size = 4; - } -} - -/* Handle sdbbp. */ - -static void -s7_do16_xi5 (char *str) -{ - s7_skip_whitespace (str); - - if (s7_data_op2 (&str, 3, _IMM5) == (int) s7_FAIL || s7_end_of_line (str) == (int) s7_FAIL) - return; - else - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 3) & 0x1f) << 15); - s7_inst.relax_size = 4; - } -} - -/* Check that an immediate is word alignment or half word alignment. - If so, convert it to the right format. */ - -static int -s7_validate_immediate_align (int val, unsigned int data_type) -{ - if (data_type == _IMM5_RSHIFT_1) - { - if (val % 2) - { - s7_inst.error = _("address offset must be half word alignment"); - return (int) s7_FAIL; - } - } - else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2)) - { - if (val % 4) - { - s7_inst.error = _("address offset must be word alignment"); - return (int) s7_FAIL; - } - } - - return s7_SUCCESS; -} - -static int -s7_exp_ldst_offset (char **str, int shift, unsigned int data_type) -{ - char *dataptr; - int hex_p = 0; - - dataptr = * str; - - if ((dataptr != NULL) - && (((strstr (dataptr, "0x")) != NULL) - || ((strstr (dataptr, "0X")) != NULL))) - { - hex_p = 1; - if ((data_type != _SIMM16_LA) - && (data_type != _VALUE_HI16) - && (data_type != _VALUE_LO16) - && (data_type != _IMM16) - && (data_type != _IMM15) - && (data_type != _IMM14) - && (data_type != _IMM4) - && (data_type != _IMM5) - && (data_type != _IMM8) - && (data_type != _IMM5_RSHIFT_1) - && (data_type != _IMM5_RSHIFT_2) - && (data_type != _SIMM12) - && (data_type != _SIMM15) - && (data_type != _SIMM14_NEG) - && (data_type != _IMM10_RSHIFT_2)) - { - data_type += 24; - } - } - - if (s7_my_get_expression (&s7_inst.reloc.exp, str) == (int) s7_FAIL) - return (int) s7_FAIL; - - if (s7_inst.reloc.exp.X_op == O_constant) - { - /* Need to check the immediate align. */ - int value = s7_validate_immediate_align (s7_inst.reloc.exp.X_add_number, data_type); - - if (value == (int) s7_FAIL) - return (int) s7_FAIL; - - value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, data_type, hex_p); - if (value == (int) s7_FAIL) - { - if (data_type < 30) - sprintf (s7_err_msg, - _("invalid constant: %d bit expression not in range %d..%d"), - s7_score_df_range[data_type].bits, - s7_score_df_range[data_type].range[0], s7_score_df_range[data_type].range[1]); - else - sprintf (s7_err_msg, - _("invalid constant: %d bit expression not in range %d..%d"), - s7_score_df_range[data_type - 24].bits, - s7_score_df_range[data_type - 24].range[0], s7_score_df_range[data_type - 24].range[1]); - s7_inst.error = s7_err_msg; - return (int) s7_FAIL; - } - - if (data_type == _IMM5_RSHIFT_1) - { - value >>= 1; - } - else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2)) - { - value >>= 2; - } - - if (s7_score_df_range[data_type].range[0] != 0) - { - value &= (1 << s7_score_df_range[data_type].bits) - 1; - } - - s7_inst.instruction |= value << shift; - } - else - { - s7_inst.reloc.pc_rel = 0; - } - - return s7_SUCCESS; -} - -static void -s7_do_ldst_insn (char *str) -{ - int pre_inc = 0; - int conflict_reg; - int value; - char * temp; - char *dataptr; - int reg; - int ldst_idx = 0; - - int hex_p = 0; - - s7_skip_whitespace (str); - - if (((conflict_reg = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - || (s7_skip_past_comma (&str) == (int) s7_FAIL)) - return; - - /* ld/sw rD, [rA, simm15] ld/sw rD, [rA]+, simm12 ld/sw rD, [rA, simm12]+. */ - if (*str == '[') - { - str++; - s7_skip_whitespace (str); - - if ((reg = s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - return; - - /* Conflicts can occur on stores as well as loads. */ - conflict_reg = (conflict_reg == reg); - s7_skip_whitespace (str); - temp = str + 1; /* The latter will process decimal/hex expression. */ - - /* ld/sw rD, [rA]+, simm12 ld/sw rD, [rA]+. */ - if (*str == ']') - { - str++; - if (*str == '+') - { - str++; - /* ld/sw rD, [rA]+, simm12. */ - if (s7_skip_past_comma (&str) == s7_SUCCESS) - { - if ((s7_exp_ldst_offset (&str, 3, _SIMM12) == (int) s7_FAIL) - || (s7_end_of_line (str) == (int) s7_FAIL)) - return; - - if (conflict_reg) - { - unsigned int ldst_func = s7_inst.instruction & OPC_PSEUDOLDST_MASK; - - if ((ldst_func == INSN_LH) - || (ldst_func == INSN_LHU) - || (ldst_func == INSN_LW) - || (ldst_func == INSN_LB) - || (ldst_func == INSN_LBU)) - { - s7_inst.error = _("register same as write-back base"); - return; - } - } - - ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; - s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; - s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + LDST_POST].value; - - /* lw rD, [rA]+, 4 convert to pop rD, [rA]. */ - if ((s7_inst.instruction & 0x3e000007) == 0x0e000000) - { - /* rs = r0-r7, offset = 4 */ - if ((((s7_inst.instruction >> 15) & 0x18) == 0) - && (((s7_inst.instruction >> 3) & 0xfff) == 4)) - { - /* Relax to pophi. */ - if ((((s7_inst.instruction >> 20) & 0x10) == 0x10)) - { - s7_inst.relax_inst = 0x0000200a | (((s7_inst.instruction >> 20) & 0xf) - << 8) | 1 << 7 | - (((s7_inst.instruction >> 15) & 0x7) << 4); - } - /* Relax to pop. */ - else - { - s7_inst.relax_inst = 0x0000200a | (((s7_inst.instruction >> 20) & 0xf) - << 8) | 0 << 7 | - (((s7_inst.instruction >> 15) & 0x7) << 4); - } - s7_inst.relax_size = 2; - } - } - return; - } - /* ld/sw rD, [rA]+ convert to ld/sw rD, [rA, 0]+. */ - else - { - s7_SET_INSN_ERROR (NULL); - if (s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - - pre_inc = 1; - value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, _SIMM12, 0); - value &= (1 << s7_score_df_range[_SIMM12].bits) - 1; - ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; - s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; - s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + pre_inc].value; - s7_inst.instruction |= value << 3; - s7_inst.relax_inst = 0x8000; - return; - } - } - /* ld/sw rD, [rA] convert to ld/sw rD, [rA, simm15]. */ - else - { - if (s7_end_of_line (str) == (int) s7_FAIL) - return; - - ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; - s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; - s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + LDST_NOUPDATE].value; - - /* lbu rd, [rs] -> lbu! rd, [rs] */ - if (ldst_idx == INSN_LBU) - { - s7_inst.relax_inst = INSN16_LBU; - } - else if (ldst_idx == INSN_LH) - { - s7_inst.relax_inst = INSN16_LH; - } - else if (ldst_idx == INSN_LW) - { - s7_inst.relax_inst = INSN16_LW; - } - else if (ldst_idx == INSN_SB) - { - s7_inst.relax_inst = INSN16_SB; - } - else if (ldst_idx == INSN_SH) - { - s7_inst.relax_inst = INSN16_SH; - } - else if (ldst_idx == INSN_SW) - { - s7_inst.relax_inst = INSN16_SW; - } - else - { - s7_inst.relax_inst = 0x8000; - } - - /* lw/lh/lbu/sw/sh/sb, offset = 0, relax to 16 bit instruction. */ - if ((ldst_idx == INSN_LBU) - || (ldst_idx == INSN_LH) - || (ldst_idx == INSN_LW) - || (ldst_idx == INSN_SB) || (ldst_idx == INSN_SH) || (ldst_idx == INSN_SW)) - { - if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - s7_inst.relax_inst |= (2 << 12) | (((s7_inst.instruction >> 20) & 0xf) << 8) | - (((s7_inst.instruction >> 15) & 0xf) << 4); - s7_inst.relax_size = 2; - } - } - - return; - } - } - /* ld/sw rD, [rA, simm15] ld/sw rD, [rA, simm12]+. */ - else - { - if (s7_skip_past_comma (&str) == (int) s7_FAIL) - { - s7_inst.error = _("pre-indexed expression expected"); - return; - } - - if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL) - return; - - s7_skip_whitespace (str); - if (*str++ != ']') - { - s7_inst.error = _("missing ]"); - return; - } - - s7_skip_whitespace (str); - /* ld/sw rD, [rA, simm12]+. */ - if (*str == '+') - { - str++; - pre_inc = 1; - if (conflict_reg) - { - unsigned int ldst_func = s7_inst.instruction & OPC_PSEUDOLDST_MASK; - - if ((ldst_func == INSN_LH) - || (ldst_func == INSN_LHU) - || (ldst_func == INSN_LW) - || (ldst_func == INSN_LB) - || (ldst_func == INSN_LBU)) - { - s7_inst.error = _("register same as write-back base"); - return; - } - } - } - - if (s7_end_of_line (str) == (int) s7_FAIL) - return; - - if (s7_inst.reloc.exp.X_op == O_constant) - { - unsigned int data_type; - - if (pre_inc == 1) - data_type = _SIMM12; - else - data_type = _SIMM15; - dataptr = temp; - - if ((dataptr != NULL) - && (((strstr (dataptr, "0x")) != NULL) - || ((strstr (dataptr, "0X")) != NULL))) - { - hex_p = 1; - if ((data_type != _SIMM16_LA) - && (data_type != _VALUE_HI16) - && (data_type != _VALUE_LO16) - && (data_type != _IMM16) - && (data_type != _IMM15) - && (data_type != _IMM14) - && (data_type != _IMM4) - && (data_type != _IMM5) - && (data_type != _IMM8) - && (data_type != _SIMM12) - && (data_type != _SIMM15) - && (data_type != _IMM5_RSHIFT_1) - && (data_type != _IMM5_RSHIFT_2) - && (data_type != _SIMM14_NEG) - && (data_type != _IMM10_RSHIFT_2)) - { - data_type += 24; - } - } - - value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, data_type, hex_p); - if (value == (int) s7_FAIL) - { - if (data_type < 30) - sprintf (s7_err_msg, - _("invalid constant: %d bit expression not in range %d..%d"), - s7_score_df_range[data_type].bits, - s7_score_df_range[data_type].range[0], s7_score_df_range[data_type].range[1]); - else - sprintf (s7_err_msg, - _("invalid constant: %d bit expression not in range %d..%d"), - s7_score_df_range[data_type - 24].bits, - s7_score_df_range[data_type - 24].range[0], - s7_score_df_range[data_type - 24].range[1]); - s7_inst.error = s7_err_msg; - return; - } - - value &= (1 << s7_score_df_range[data_type].bits) - 1; - ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; - s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; - s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + pre_inc].value; - if (pre_inc == 1) - s7_inst.instruction |= value << 3; - else - s7_inst.instruction |= value; - - /* lw rD, [rA, simm15] */ - if ((s7_inst.instruction & 0x3e000000) == 0x20000000) - { - /* Both rD and rA are in [r0 - r15]. */ - if ((((s7_inst.instruction >> 15) & 0x10) == 0) - && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - /* simm15 = 0, lw -> lw!. */ - if ((s7_inst.instruction & 0x7fff) == 0) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - /* rA = r2, lw -> lwp!. */ - else if ((((s7_inst.instruction >> 15) & 0xf) == 2) - && ((s7_inst.instruction & 0x3) == 0) - && ((s7_inst.instruction & 0x7fff) < 128)) - { - s7_inst.relax_inst = 0x7000 | (((s7_inst.instruction >> 20) & 0xf) << 8) - | (((s7_inst.instruction & 0x7fff) >> 2) << 3); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - /* sw rD, [rA, simm15] */ - else if ((s7_inst.instruction & 0x3e000000) == 0x28000000) - { - /* Both rD and rA are in [r0 - r15]. */ - if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - /* simm15 = 0, sw -> sw!. */ - if ((s7_inst.instruction & 0x7fff) == 0) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - /* rA = r2, sw -> swp!. */ - else if ((((s7_inst.instruction >> 15) & 0xf) == 2) - && ((s7_inst.instruction & 0x3) == 0) - && ((s7_inst.instruction & 0x7fff) < 128)) - { - s7_inst.relax_inst = 0x7004 | (((s7_inst.instruction >> 20) & 0xf) << 8) - | (((s7_inst.instruction & 0x7fff) >> 2) << 3); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - /* sw rD, [rA, simm15]+ sw pre. */ - else if ((s7_inst.instruction & 0x3e000007) == 0x06000004) - { - /* rA is in [r0 - r7], and simm15 = -4. */ - if ((((s7_inst.instruction >> 15) & 0x18) == 0) - && (((s7_inst.instruction >> 3) & 0xfff) == 0xffc)) - { - /* sw -> pushhi!. */ - if ((((s7_inst.instruction >> 20) & 0x10) == 0x10)) - { - s7_inst.relax_inst = 0x0000200e | (((s7_inst.instruction >> 20) & 0xf) << 8) - | 1 << 7 | (((s7_inst.instruction >> 15) & 0x7) << 4); - s7_inst.relax_size = 2; - } - /* sw -> push!. */ - else - { - s7_inst.relax_inst = 0x0000200e | (((s7_inst.instruction >> 20) & 0xf) << 8) - | 0 << 7 | (((s7_inst.instruction >> 15) & 0x7) << 4); - s7_inst.relax_size = 2; - } - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - /* lh rD, [rA, simm15] */ - else if ((s7_inst.instruction & 0x3e000000) == 0x22000000) - { - /* Both rD and rA are in [r0 - r15]. */ - if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - /* simm15 = 0, lh -> lh!. */ - if ((s7_inst.instruction & 0x7fff) == 0) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - /* rA = r2, lh -> lhp!. */ - else if ((((s7_inst.instruction >> 15) & 0xf) == 2) - && ((s7_inst.instruction & 0x1) == 0) - && ((s7_inst.instruction & 0x7fff) < 64)) - { - s7_inst.relax_inst = 0x7001 | (((s7_inst.instruction >> 20) & 0xf) << 8) - | (((s7_inst.instruction & 0x7fff) >> 1) << 3); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - /* sh rD, [rA, simm15] */ - else if ((s7_inst.instruction & 0x3e000000) == 0x2a000000) - { - /* Both rD and rA are in [r0 - r15]. */ - if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - /* simm15 = 0, sh -> sh!. */ - if ((s7_inst.instruction & 0x7fff) == 0) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - /* rA = r2, sh -> shp!. */ - else if ((((s7_inst.instruction >> 15) & 0xf) == 2) - && ((s7_inst.instruction & 0x1) == 0) - && ((s7_inst.instruction & 0x7fff) < 64)) - { - s7_inst.relax_inst = 0x7005 | (((s7_inst.instruction >> 20) & 0xf) << 8) - | (((s7_inst.instruction & 0x7fff) >> 1) << 3); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - /* lbu rD, [rA, simm15] */ - else if ((s7_inst.instruction & 0x3e000000) == 0x2c000000) - { - /* Both rD and rA are in [r0 - r15]. */ - if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - /* simm15 = 0, lbu -> lbu!. */ - if ((s7_inst.instruction & 0x7fff) == 0) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - /* rA = r2, lbu -> lbup!. */ - else if ((((s7_inst.instruction >> 15) & 0xf) == 2) - && ((s7_inst.instruction & 0x7fff) < 32)) - { - s7_inst.relax_inst = 0x7003 | (((s7_inst.instruction >> 20) & 0xf) << 8) - | ((s7_inst.instruction & 0x7fff) << 3); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - /* sb rD, [rA, simm15] */ - else if ((s7_inst.instruction & 0x3e000000) == 0x2e000000) - { - /* Both rD and rA are in [r0 - r15]. */ - if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) - { - /* simm15 = 0, sb -> sb!. */ - if ((s7_inst.instruction & 0x7fff) == 0) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) - | (((s7_inst.instruction >> 20) & 0xf) << 8); - s7_inst.relax_size = 2; - } - /* rA = r2, sb -> sb!. */ - else if ((((s7_inst.instruction >> 15) & 0xf) == 2) - && ((s7_inst.instruction & 0x7fff) < 32)) - { - s7_inst.relax_inst = 0x7007 | (((s7_inst.instruction >> 20) & 0xf) << 8) - | ((s7_inst.instruction & 0x7fff) << 3); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else - { - s7_inst.relax_inst = 0x8000; - } - } - else - { - s7_inst.relax_inst = 0x8000; - } - - return; - } - else - { - /* FIXME: may set error, for there is no ld/sw rD, [rA, label] */ - s7_inst.reloc.pc_rel = 0; - } - } - } - else - { - s7_inst.error = s7_BAD_ARGS; - } -} - -/* Handle cache. */ -static void -s7_do_cache (char *str) -{ - s7_skip_whitespace (str); - - if ((s7_data_op2 (&str, 20, _IMM5) == (int) s7_FAIL) || (s7_skip_past_comma (&str) == (int) s7_FAIL)) - { - return; - } - else - { - int cache_op; - - cache_op = (s7_inst.instruction >> 20) & 0x1F; - sprintf (s7_inst.name, "cache %d", cache_op); - } - - if (*str == '[') - { - str++; - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL) - return; - - s7_skip_whitespace (str); - - /* cache op, [rA] */ - if (s7_skip_past_comma (&str) == (int) s7_FAIL) - { - s7_SET_INSN_ERROR (NULL); - if (*str != ']') - { - s7_inst.error = _("missing ]"); - return; - } - str++; - } - /* cache op, [rA, simm15] */ - else - { - if (s7_exp_ldst_offset (&str, 0, _SIMM15) == (int) s7_FAIL) - { - return; - } - - s7_skip_whitespace (str); - if (*str++ != ']') - { - s7_inst.error = _("missing ]"); - return; - } - } - - if (s7_end_of_line (str) == (int) s7_FAIL) - return; - } - else - { - s7_inst.error = s7_BAD_ARGS; - } -} - -static void -s7_do_crdcrscrsimm5 (char *str) -{ - char *strbak; - - strbak = str; - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE_CR) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE_CR) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL - || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE_CR) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL) - { - str = strbak; - /* cop1 cop_code20. */ - if (s7_data_op2 (&str, 5, _IMM20) == (int) s7_FAIL) - return; - } - else - { - if (s7_data_op2 (&str, 5, _IMM5) == (int) s7_FAIL) - return; - } - - s7_end_of_line (str); -} - -/* Handle ldc/stc. */ -static void -s7_do_ldst_cop (char *str) -{ - s7_skip_whitespace (str); - - if ((s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE_CR) == (int) s7_FAIL) - || (s7_skip_past_comma (&str) == (int) s7_FAIL)) - return; - - if (*str == '[') - { - str++; - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL) - return; - - s7_skip_whitespace (str); - - if (*str++ != ']') - { - if (s7_exp_ldst_offset (&str, 5, _IMM10_RSHIFT_2) == (int) s7_FAIL) - return; - - s7_skip_whitespace (str); - if (*str++ != ']') - { - s7_inst.error = _("missing ]"); - return; - } - } - - s7_end_of_line (str); - } - else - s7_inst.error = s7_BAD_ARGS; -} - -static void -s7_do16_ldst_insn (char *str) -{ - s7_skip_whitespace (str); - - if ((s7_reglow_required_here (&str, 8) == (int) s7_FAIL) || (s7_skip_past_comma (&str) == (int) s7_FAIL)) - return; - - if (*str == '[') - { - int reg; - - str++; - s7_skip_whitespace (str); - - if ((reg = s7_reglow_required_here (&str, 4)) == (int) s7_FAIL) - return; - - s7_skip_whitespace (str); - if (*str++ == ']') - { - if (s7_end_of_line (str) == (int) s7_FAIL) - return; - else - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | (((s7_inst.instruction >> 4) & 0xf) << 15); - s7_inst.relax_size = 4; - } - } - else - { - s7_inst.error = _("missing ]"); - } - } - else - { - s7_inst.error = s7_BAD_ARGS; - } -} - -/* Handle lbup!/lhp!/ldiu!/lwp!/sbp!/shp!/swp!. */ - -static void -s7_do16_ldst_imm_insn (char *str) -{ - char data_exp[s7_MAX_LITERAL_POOL_SIZE]; - int reg_rd; - char *dataptr = NULL, *pp = NULL; - int cnt = 0; - int assign_data = (int) s7_FAIL; - unsigned int ldst_func; - - s7_skip_whitespace (str); - - if (((reg_rd = s7_reglow_required_here (&str, 8)) == (int) s7_FAIL) - || (s7_skip_past_comma (&str) == (int) s7_FAIL)) - return; - - s7_skip_whitespace (str); - dataptr = str; - - while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= s7_MAX_LITERAL_POOL_SIZE)) - { - data_exp[cnt] = *dataptr; - dataptr++; - cnt++; - } - - data_exp[cnt] = '\0'; - pp = &data_exp[0]; - - str = dataptr; - - ldst_func = s7_inst.instruction & LDST16_RI_MASK; - if (ldst_func == N16_LIU) - assign_data = s7_exp_ldst_offset (&pp, 0, _IMM8); - else if (ldst_func == N16_LHP || ldst_func == N16_SHP) - assign_data = s7_exp_ldst_offset (&pp, 3, _IMM5_RSHIFT_1); - else if (ldst_func == N16_LWP || ldst_func == N16_SWP) - assign_data = s7_exp_ldst_offset (&pp, 3, _IMM5_RSHIFT_2); - else - assign_data = s7_exp_ldst_offset (&pp, 3, _IMM5); - - if ((assign_data == (int) s7_FAIL) || (s7_end_of_line (pp) == (int) s7_FAIL)) - return; - else - { - if ((s7_inst.instruction & 0x7000) == N16_LIU) - { - s7_inst.relax_inst |= ((s7_inst.instruction >> 8) & 0xf) << 20 - | ((s7_inst.instruction & 0xff) << 1); - } - else if (((s7_inst.instruction & 0x7007) == N16_LHP) - || ((s7_inst.instruction & 0x7007) == N16_SHP)) - { - s7_inst.relax_inst |= ((s7_inst.instruction >> 8) & 0xf) << 20 | 2 << 15 - | (((s7_inst.instruction >> 3) & 0x1f) << 1); - } - else if (((s7_inst.instruction & 0x7007) == N16_LWP) - || ((s7_inst.instruction & 0x7007) == N16_SWP)) - { - s7_inst.relax_inst |= ((s7_inst.instruction >> 8) & 0xf) << 20 | 2 << 15 - | (((s7_inst.instruction >> 3) & 0x1f) << 2); - } - else if (((s7_inst.instruction & 0x7007) == N16_LBUP) - || ((s7_inst.instruction & 0x7007) == N16_SBP)) - { - s7_inst.relax_inst |= ((s7_inst.instruction >> 8) & 0xf) << 20 | 2 << 15 - | (((s7_inst.instruction >> 3) & 0x1f)); - } - - s7_inst.relax_size = 4; - } -} - -static void -s7_do16_push_pop (char *str) -{ - int reg_rd; - int H_bit_mask = 0; - - s7_skip_whitespace (str); - if (((reg_rd = s7_reg_required_here (&str, 8, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - || (s7_skip_past_comma (&str) == (int) s7_FAIL)) - return; - - if (reg_rd >= 16) - H_bit_mask = 1; - - /* s7_reg_required_here will change bit 12 of opcode, so we must restore bit 12. */ - s7_inst.instruction &= ~(1 << 12); - - s7_inst.instruction |= H_bit_mask << 7; - - if (*str == '[') - { - int reg; - - str++; - s7_skip_whitespace (str); - if ((reg = s7_reg_required_here (&str, 4, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - return; - else if (reg > 7) - { - if (!s7_inst.error) - s7_inst.error = _("base register nums are over 3 bit"); - - return; - } - - s7_skip_whitespace (str); - if ((*str++ != ']') || (s7_end_of_line (str) == (int) s7_FAIL)) - { - if (!s7_inst.error) - s7_inst.error = _("missing ]"); - - return; - } - - /* pop! */ - if ((s7_inst.instruction & 0xf) == 0xa) - { - if (H_bit_mask) - { - s7_inst.relax_inst |= ((((s7_inst.instruction >> 8) & 0xf) | 0x10) << 20) - | (((s7_inst.instruction >> 4) & 0x7) << 15) | (4 << 3); - } - else - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | (((s7_inst.instruction >> 4) & 0x7) << 15) | (4 << 3); - } - } - /* push! */ - else - { - if (H_bit_mask) - { - s7_inst.relax_inst |= ((((s7_inst.instruction >> 8) & 0xf) | 0x10) << 20) - | (((s7_inst.instruction >> 4) & 0x7) << 15) | (((-4) & 0xfff) << 3); - } - else - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) - | (((s7_inst.instruction >> 4) & 0x7) << 15) | (((-4) & 0xfff) << 3); - } - } - s7_inst.relax_size = 4; - } - else - { - s7_inst.error = s7_BAD_ARGS; - } -} - -/* Handle lcb/lcw/lce/scb/scw/sce. */ -static void -s7_do_ldst_unalign (char *str) -{ - int conflict_reg; - - if (s7_university_version == 1) - { - s7_inst.error = s7_ERR_FOR_SCORE5U_ATOMIC; - return; - } - - s7_skip_whitespace (str); - - /* lcb/scb [rA]+. */ - if (*str == '[') - { - str++; - s7_skip_whitespace (str); - - if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL) - return; - - if (*str++ == ']') - { - if (*str++ != '+') - { - s7_inst.error = _("missing +"); - return; - } - } - else - { - s7_inst.error = _("missing ]"); - return; - } - - if (s7_end_of_line (str) == (int) s7_FAIL) - return; - } - /* lcw/lce/scb/sce rD, [rA]+. */ - else - { - if (((conflict_reg = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - || (s7_skip_past_comma (&str) == (int) s7_FAIL)) - { - return; - } - - s7_skip_whitespace (str); - if (*str++ == '[') - { - int reg; - - s7_skip_whitespace (str); - if ((reg = s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - { - return; - } - - /* Conflicts can occur on stores as well as loads. */ - conflict_reg = (conflict_reg == reg); - s7_skip_whitespace (str); - if (*str++ == ']') - { - unsigned int ldst_func = s7_inst.instruction & LDST_UNALIGN_MASK; - - if (*str++ == '+') - { - if (conflict_reg) - { - as_warn (_("%s register same as write-back base"), - ((ldst_func & UA_LCE) || (ldst_func & UA_LCW) - ? _("destination") : _("source"))); - } - } - else - { - s7_inst.error = _("missing +"); - return; - } - - if (s7_end_of_line (str) == (int) s7_FAIL) - return; - } - else - { - s7_inst.error = _("missing ]"); - return; - } - } - else - { - s7_inst.error = s7_BAD_ARGS; - return; - } - } -} - -/* Handle alw/asw. */ - -static void -s7_do_ldst_atomic (char *str) -{ - if (s7_university_version == 1) - { - s7_inst.error = s7_ERR_FOR_SCORE5U_ATOMIC; - return; - } - - s7_skip_whitespace (str); - - if ((s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL) - || (s7_skip_past_comma (&str) == (int) s7_FAIL)) - { - return; - } - else - { - - s7_skip_whitespace (str); - if (*str++ == '[') - { - int reg; - - s7_skip_whitespace (str); - if ((reg = s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - { - return; - } - - s7_skip_whitespace (str); - if (*str++ != ']') - { - s7_inst.error = _("missing ]"); - return; - } - - s7_end_of_line (str); - } - else - s7_inst.error = s7_BAD_ARGS; - } -} - -static void -s7_build_relax_frag (struct s7_score_it fix_insts[s7_RELAX_INST_NUM], - int fix_num ATTRIBUTE_UNUSED, - struct s7_score_it var_insts[s7_RELAX_INST_NUM], int var_num, - symbolS *add_symbol) -{ - int i; - char *p; - fixS *fixp = NULL; - fixS *cur_fixp = NULL; - long where; - struct s7_score_it inst_main; - - memcpy (&inst_main, &fix_insts[0], sizeof (struct s7_score_it)); - - /* Adjust instruction opcode and to be relaxed instruction opcode. */ - inst_main.instruction = s7_adjust_paritybit (inst_main.instruction, s7_GET_INSN_CLASS (inst_main.type)); - inst_main.type = Insn_PIC; - - for (i = 0; i < var_num; i++) - { - inst_main.relax_size += var_insts[i].size; - var_insts[i].instruction = s7_adjust_paritybit (var_insts[i].instruction, - s7_GET_INSN_CLASS (var_insts[i].type)); - } - - /* Check data dependency. */ - s7_handle_dependency (&inst_main); - - /* Start a new frag if frag_now is not empty. */ - if (frag_now_fix () != 0) - { - if (!frag_now->tc_frag_data.is_insn) - { - frag_wane (frag_now); - } - frag_new (0); - } - frag_grow (20); - - /* Write fr_fix part. */ - p = frag_more (inst_main.size); - s7_number_to_chars (p, inst_main.instruction, inst_main.size); - - if (inst_main.reloc.type != BFD_RELOC_NONE) - fixp = s7_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, - &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); - - frag_now->tc_frag_data.fixp = fixp; - cur_fixp = frag_now->tc_frag_data.fixp; - -#ifdef OBJ_ELF - dwarf2_emit_insn (inst_main.size); -#endif - - where = p - frag_now->fr_literal + inst_main.size; - for (i = 0; i < var_num; i++) - { - if (i > 0) - where += var_insts[i - 1].size; - - if (var_insts[i].reloc.type != BFD_RELOC_NONE) - { - fixp = s7_fix_new_score (frag_now, where, var_insts[i].size, - &var_insts[i].reloc.exp, var_insts[i].reloc.pc_rel, - var_insts[i].reloc.type); - if (fixp) - { - if (cur_fixp) - { - cur_fixp->fx_next = fixp; - cur_fixp = cur_fixp->fx_next; - } - else - { - frag_now->tc_frag_data.fixp = fixp; - cur_fixp = frag_now->tc_frag_data.fixp; - } - } - } - } - - p = frag_var (rs_machine_dependent, inst_main.relax_size + s7_RELAX_PAD_BYTE, 0, - s7_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, - 0, inst_main.size, 0), add_symbol, 0, NULL); - - /* Write fr_var part. - no calling s7_gen_insn_frag, no fixS will be generated. */ - for (i = 0; i < var_num; i++) - { - s7_number_to_chars (p, var_insts[i].instruction, var_insts[i].size); - p += var_insts[i].size; - } - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; -} - -/* Build a relax frag for la instruction when generating s7_PIC, - external symbol first and local symbol second. */ - -static void -s7_build_la_pic (int reg_rd, expressionS exp) -{ - symbolS *add_symbol = exp.X_add_symbol; - offsetT add_number = exp.X_add_number; - struct s7_score_it fix_insts[s7_RELAX_INST_NUM]; - struct s7_score_it var_insts[s7_RELAX_INST_NUM]; - int fix_num = 0; - int var_num = 0; - char tmp[s7_MAX_LITERAL_POOL_SIZE]; - int r1_bak; - - r1_bak = s7_nor1; - s7_nor1 = 0; - - if (add_number == 0) - { - fix_num = 1; - var_num = 2; - - /* For an external symbol, only one insn is generated; - For a local symbol, two insns are generated. */ - /* Fix part - For an external symbol: lw rD, <sym>($gp) - (BFD_RELOC_SCORE_GOT15 or BFD_RELOC_SCORE_CALL15) */ - sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - if (reg_rd == s7_PIC_CALL_REG) - s7_inst.reloc.type = BFD_RELOC_SCORE_CALL15; - memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); - - /* Var part - For a local symbol : - lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) - addi rD, <sym> (BFD_RELOC_GOT_LO16) */ - s7_inst.reloc.type = BFD_RELOC_SCORE_GOT15; - memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); - sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&var_insts[1], &s7_inst, sizeof (struct s7_score_it)); - s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); - } - else if (add_number >= -0x8000 && add_number <= 0x7fff) - { - /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ - sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); - if (s7_append_insn (tmp, TRUE) == (int) s7_FAIL) - return; - - /* Insn 2 */ - fix_num = 1; - var_num = 1; - /* Fix part - For an external symbol: addi rD, <constant> */ - sprintf (tmp, "addi r%d, %d", reg_rd, (int) add_number); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); - - /* Var part - For a local symbol: addi rD, <sym>+<constant> (BFD_RELOC_GOT_LO16) */ - sprintf (tmp, "addi_s_pic r%d, %s + %d", reg_rd, add_symbol->bsym->name, (int) add_number); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); - s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); - } - else - { - int hi = (add_number >> 16) & 0x0000FFFF; - int lo = add_number & 0x0000FFFF; - - /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ - sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); - if (s7_append_insn (tmp, TRUE) == (int) s7_FAIL) - return; - - /* Insn 2 */ - fix_num = 1; - var_num = 1; - /* Fix part - For an external symbol: ldis r1, HI%<constant> */ - sprintf (tmp, "ldis r1, %d", hi); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); - - /* Var part - For a local symbol: ldis r1, HI%<constant> - but, if lo is outof 16 bit, make hi plus 1 */ - if ((lo < -0x8000) || (lo > 0x7fff)) - { - hi += 1; - } - sprintf (tmp, "ldis_pic r1, %d", hi); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); - s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); - - /* Insn 3 */ - fix_num = 1; - var_num = 1; - /* Fix part - For an external symbol: ori r1, LO%<constant> */ - sprintf (tmp, "ori r1, %d", lo); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); - - /* Var part - For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */ - sprintf (tmp, "addi_u_pic r1, %s + %d", add_symbol->bsym->name, lo); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); - s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); - - /* Insn 4: add rD, rD, r1 */ - sprintf (tmp, "add r%d, r%d, r1", reg_rd, reg_rd); - if (s7_append_insn (tmp, TRUE) == (int) s7_FAIL) - return; - - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; - } - - s7_nor1 = r1_bak; -} - -/* Handle la. */ - -static void -s7_do_macro_la_rdi32 (char *str) -{ - int reg_rd; - - s7_skip_whitespace (str); - if ((reg_rd = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL) - { - return; - } - else - { - char append_str[s7_MAX_LITERAL_POOL_SIZE]; - char *keep_data = str; - - /* Check immediate value. */ - if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL) - { - s7_inst.error = _("expression error"); - return; - } - else if ((s7_inst.reloc.exp.X_add_symbol == NULL) - && (s7_validate_immediate (s7_inst.reloc.exp.X_add_number, _IMM32, 0) == (int) s7_FAIL)) - { - s7_inst.error = _("value not in range [0, 0xffffffff]"); - return; - } - - /* Reset str. */ - str = keep_data; - - /* la rd, simm16. */ - if (s7_data_op2 (&str, 1, _SIMM16_LA) != (int) s7_FAIL) - { - s7_end_of_line (str); - return; - } - /* la rd, imm32 or la rd, label. */ - else - { - s7_SET_INSN_ERROR (NULL); - str = keep_data; - if ((s7_data_op2 (&str, 1, _VALUE_HI16) == (int) s7_FAIL) - || (s7_end_of_line (str) == (int) s7_FAIL)) - { - return; - } - else - { - if ((s7_score_pic == s7_NO_PIC) || (!s7_inst.reloc.exp.X_add_symbol)) - { - sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data); - if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) - return; - - sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data); - if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) - return; - } - else - { - gas_assert (s7_inst.reloc.exp.X_add_symbol); - s7_build_la_pic (reg_rd, s7_inst.reloc.exp); - } - - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; - } - } - } -} - -/* Handle li. */ - -static void -s7_do_macro_li_rdi32 (char *str) -{ - int reg_rd; - - s7_skip_whitespace (str); - if ((reg_rd = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL - || s7_skip_past_comma (&str) == (int) s7_FAIL) - { - return; - } - else - { - char *keep_data = str; - - /* Check immediate value. */ - if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL) - { - s7_inst.error = _("expression error"); - return; - } - else if (!(s7_inst.reloc.exp.X_add_number >= -0xffffffffLL - && s7_inst.reloc.exp.X_add_number <= 0xffffffffLL)) - { - s7_inst.error = _("value not in range [-0xffffffff, 0xffffffff]"); - return; - } - - /* Reset str. */ - str = keep_data; - - /* li rd, simm16. */ - if (s7_data_op2 (&str, 1, _SIMM16_LA) != (int) s7_FAIL) - { - s7_end_of_line (str); - return; - } - /* li rd, imm32. */ - else - { - char append_str[s7_MAX_LITERAL_POOL_SIZE]; - - str = keep_data; - - if ((s7_data_op2 (&str, 1, _VALUE_HI16) == (int) s7_FAIL) - || (s7_end_of_line (str) == (int) s7_FAIL)) - { - return; - } - else if (s7_inst.reloc.exp.X_add_symbol) - { - s7_inst.error = _("li rd label isn't correct instruction form"); - return; - } - else - { - sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data); - - if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) - return; - else - { - sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data); - if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) - return; - - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; - } - } - } - } -} - -/* Handle mul/mulu/div/divu/rem/remu. */ - -static void -s7_do_macro_mul_rdrsrs (char *str) -{ - int reg_rd; - int reg_rs1; - int reg_rs2; - char *backupstr; - char append_str[s7_MAX_LITERAL_POOL_SIZE]; - - if (s7_university_version == 1) - as_warn ("%s", s7_ERR_FOR_SCORE5U_MUL_DIV); - - strcpy (append_str, str); - backupstr = append_str; - s7_skip_whitespace (backupstr); - if (((reg_rd = s7_reg_required_here (&backupstr, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - || (s7_skip_past_comma (&backupstr) == (int) s7_FAIL) - || ((reg_rs1 = s7_reg_required_here (&backupstr, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL)) - { - s7_inst.error = s7_BAD_ARGS; - return; - } - - if (s7_skip_past_comma (&backupstr) == (int) s7_FAIL) - { - /* rem/remu rA, rB is error format. */ - if (strcmp (s7_inst.name, "rem") == 0 || strcmp (s7_inst.name, "remu") == 0) - { - s7_SET_INSN_ERROR (s7_BAD_ARGS); - } - else - { - s7_SET_INSN_ERROR (NULL); - s7_do_rsrs (str); - } - return; - } - else - { - s7_SET_INSN_ERROR (NULL); - if (((reg_rs2 = s7_reg_required_here (&backupstr, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - || (s7_end_of_line (backupstr) == (int) s7_FAIL)) - { - return; - } - else - { - char append_str1[s7_MAX_LITERAL_POOL_SIZE]; - - if (strcmp (s7_inst.name, "rem") == 0) - { - sprintf (append_str, "mul r%d, r%d", reg_rs1, reg_rs2); - sprintf (append_str1, "mfceh r%d", reg_rd); - } - else if (strcmp (s7_inst.name, "remu") == 0) - { - sprintf (append_str, "mulu r%d, r%d", reg_rs1, reg_rs2); - sprintf (append_str1, "mfceh r%d", reg_rd); - } - else - { - sprintf (append_str, "%s r%d, r%d", s7_inst.name, reg_rs1, reg_rs2); - sprintf (append_str1, "mfcel r%d", reg_rd); - } - - /* Output mul/mulu or div/divu or rem/remu. */ - if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) - return; - - /* Output mfcel or mfceh. */ - if (s7_append_insn (append_str1, TRUE) == (int) s7_FAIL) - return; - - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; - } - } -} - -static void -s7_exp_macro_ldst_abs (char *str) -{ - int reg_rd; - char *backupstr, *tmp; - char append_str[s7_MAX_LITERAL_POOL_SIZE]; - char verifystr[s7_MAX_LITERAL_POOL_SIZE]; - struct s7_score_it inst_backup; - int r1_bak = 0; - - r1_bak = s7_nor1; - s7_nor1 = 0; - memcpy (&inst_backup, &s7_inst, sizeof (struct s7_score_it)); - - strcpy (verifystr, str); - backupstr = verifystr; - s7_skip_whitespace (backupstr); - if ((reg_rd = s7_reg_required_here (&backupstr, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - return; - - tmp = backupstr; - if (s7_skip_past_comma (&backupstr) == (int) s7_FAIL) - return; - - backupstr = tmp; - sprintf (append_str, "li r1 %s", backupstr); - s7_append_insn (append_str, TRUE); - - memcpy (&s7_inst, &inst_backup, sizeof (struct s7_score_it)); - sprintf (append_str, " r%d, [r1,0]", reg_rd); - s7_do_ldst_insn (append_str); - - s7_nor1 = r1_bak; -} - -static int -s7_nopic_need_relax (symbolS * sym, int before_relaxing) -{ - if (sym == NULL) - return 0; - else if (s7_USE_GLOBAL_POINTER_OPT && s7_g_switch_value > 0) - { - const char *symname; - const char *segname; - - /* Find out whether this symbol can be referenced off the $gp - register. It can be if it is smaller than the -G size or if - it is in the .sdata or .sbss section. Certain symbols can - not be referenced off the $gp, although it appears as though - they can. */ - symname = S_GET_NAME (sym); - if (symname != NULL - && (strcmp (symname, "eprol") == 0 - || strcmp (symname, "etext") == 0 - || strcmp (symname, "_gp") == 0 - || strcmp (symname, "edata") == 0 - || strcmp (symname, "_fbss") == 0 - || strcmp (symname, "_fdata") == 0 - || strcmp (symname, "_ftext") == 0 - || strcmp (symname, "end") == 0 - || strcmp (symname, GP_DISP_LABEL) == 0)) - { - return 1; - } - else if ((!S_IS_DEFINED (sym) || S_IS_COMMON (sym)) && (0 - /* We must defer this decision until after the whole file has been read, - since there might be a .extern after the first use of this symbol. */ - || (before_relaxing - && S_GET_VALUE (sym) == 0) - || (S_GET_VALUE (sym) != 0 - && S_GET_VALUE (sym) <= s7_g_switch_value))) - { - return 0; - } - - segname = segment_name (S_GET_SEGMENT (sym)); - return (strcmp (segname, ".sdata") != 0 - && strcmp (segname, ".sbss") != 0 - && strncmp (segname, ".sdata.", 7) != 0 - && strncmp (segname, ".gnu.linkonce.s.", 16) != 0); - } - /* We are not optimizing for the $gp register. */ - else - return 1; -} - -/* Build a relax frag for lw/st instruction when generating s7_PIC, - external symbol first and local symbol second. */ - -static void -s7_build_lwst_pic (int reg_rd, expressionS exp, const char *insn_name) -{ - symbolS *add_symbol = exp.X_add_symbol; - int add_number = exp.X_add_number; - struct s7_score_it fix_insts[s7_RELAX_INST_NUM]; - struct s7_score_it var_insts[s7_RELAX_INST_NUM]; - int fix_num = 0; - int var_num = 0; - char tmp[s7_MAX_LITERAL_POOL_SIZE]; - int r1_bak; - - r1_bak = s7_nor1; - s7_nor1 = 0; - - if ((add_number == 0) || (add_number >= -0x8000 && add_number <= 0x7fff)) - { - fix_num = 1; - var_num = 2; - - /* For an external symbol, two insns are generated; - For a local symbol, three insns are generated. */ - /* Fix part - For an external symbol: lw rD, <sym>($gp) - (BFD_RELOC_SCORE_GOT15) */ - sprintf (tmp, "lw_pic r1, %s", add_symbol->bsym->name); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); - - /* Var part - For a local symbol : - lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) - addi rD, <sym> (BFD_RELOC_GOT_LO16) */ - s7_inst.reloc.type = BFD_RELOC_SCORE_GOT15; - memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); - sprintf (tmp, "addi_s_pic r1, %s", add_symbol->bsym->name); - if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) - return; - - memcpy (&var_insts[1], &s7_inst, sizeof (struct s7_score_it)); - s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); - - /* Insn 2 or Insn 3: lw/st rD, [r1, constant] */ - sprintf (tmp, "%s r%d, [r1, %d]", insn_name, reg_rd, add_number); - if (s7_append_insn (tmp, TRUE) == (int) s7_FAIL) - return; - - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; - } - else - { - s7_inst.error = _("PIC code offset overflow (max 16 signed bits)"); - return; - } - - s7_nor1 = r1_bak; -} - -static void -s7_do_macro_ldst_label (char *str) -{ - int i; - int ldst_gp_p = 0; - int reg_rd; - int r1_bak; - char *backup_str; - char *label_str; - char *absolute_value; - char append_str[3][s7_MAX_LITERAL_POOL_SIZE]; - char verifystr[s7_MAX_LITERAL_POOL_SIZE]; - struct s7_score_it inst_backup; - struct s7_score_it inst_expand[3]; - struct s7_score_it inst_main; - - memcpy (&inst_backup, &s7_inst, sizeof (struct s7_score_it)); - strcpy (verifystr, str); - backup_str = verifystr; - - s7_skip_whitespace (backup_str); - if ((reg_rd = s7_reg_required_here (&backup_str, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - return; - - if (s7_skip_past_comma (&backup_str) == (int) s7_FAIL) - return; - - label_str = backup_str; - - /* Ld/st rD, [rA, imm] ld/st rD, [rA]+, imm ld/st rD, [rA, imm]+. */ - if (*backup_str == '[') - { - s7_inst.type = Rd_rvalueRs_preSI12; - s7_do_ldst_insn (str); - return; - } - - /* Ld/st rD, imm. */ - absolute_value = backup_str; - s7_inst.type = Rd_rvalueRs_SI15; - - if (s7_my_get_expression (&s7_inst.reloc.exp, &backup_str) == (int) s7_FAIL) - { - s7_inst.error = _("expression error"); - return; - } - else if ((s7_inst.reloc.exp.X_add_symbol == NULL) - && (s7_validate_immediate (s7_inst.reloc.exp.X_add_number, _VALUE, 0) == (int) s7_FAIL)) - { - s7_inst.error = _("value not in range [0, 0x7fffffff]"); - return; - } - else if (s7_end_of_line (backup_str) == (int) s7_FAIL) - { - s7_inst.error = _("end on line error"); - return; - } - else - { - if (s7_inst.reloc.exp.X_add_symbol == 0) - { - memcpy (&s7_inst, &inst_backup, sizeof (struct s7_score_it)); - s7_exp_macro_ldst_abs (str); - return; - } - } - - /* Ld/st rD, label. */ - s7_inst.type = Rd_rvalueRs_SI15; - backup_str = absolute_value; - if ((s7_data_op2 (&backup_str, 1, _GP_IMM15) == (int) s7_FAIL) - || (s7_end_of_line (backup_str) == (int) s7_FAIL)) - { - return; - } - else - { - if (s7_inst.reloc.exp.X_add_symbol == 0) - { - if (!s7_inst.error) - s7_inst.error = s7_BAD_ARGS; - - return; - } - - if (s7_score_pic == s7_PIC) - { - int ldst_idx = 0; - ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; - s7_build_lwst_pic (reg_rd, s7_inst.reloc.exp, - s7_score_ldst_insns[ldst_idx * 3 + 0].template_name); - return; - } - else - { - if ((s7_inst.reloc.exp.X_add_number <= 0x3fff) - && (s7_inst.reloc.exp.X_add_number >= -0x4000) - && (!s7_nopic_need_relax (s7_inst.reloc.exp.X_add_symbol, 1))) - { - int ldst_idx = 0; - - /* Assign the real opcode. */ - ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; - s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; - s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + 0].value; - s7_inst.instruction |= reg_rd << 20; - s7_inst.instruction |= s7_GP << 15; - s7_inst.relax_inst = 0x8000; - s7_inst.relax_size = 0; - ldst_gp_p = 1; - } - } - } - - /* Backup s7_inst. */ - memcpy (&inst_main, &s7_inst, sizeof (struct s7_score_it)); - r1_bak = s7_nor1; - s7_nor1 = 0; - - /* Determine which instructions should be output. */ - sprintf (append_str[0], "ld_i32hi r1, %s", label_str); - sprintf (append_str[1], "ld_i32lo r1, %s", label_str); - sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd); - - /* Generate three instructions. - la r1, label - ld/st rd, [r1, 0] */ - for (i = 0; i < 3; i++) - { - if (s7_append_insn (append_str[i], FALSE) == (int) s7_FAIL) - return; - - memcpy (&inst_expand[i], &s7_inst, sizeof (struct s7_score_it)); - } - - if (ldst_gp_p) - { - char *p; - - /* Adjust instruction opcode and to be relaxed instruction opcode. */ - inst_main.instruction = s7_adjust_paritybit (inst_main.instruction, s7_GET_INSN_CLASS (inst_main.type)); - inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size; - inst_main.type = Insn_GP; - - for (i = 0; i < 3; i++) - inst_expand[i].instruction = s7_adjust_paritybit (inst_expand[i].instruction - , s7_GET_INSN_CLASS (inst_expand[i].type)); - - /* Check data dependency. */ - s7_handle_dependency (&inst_main); - - /* Start a new frag if frag_now is not empty. */ - if (frag_now_fix () != 0) - { - if (!frag_now->tc_frag_data.is_insn) - frag_wane (frag_now); - - frag_new (0); - } - frag_grow (20); - - /* Write fr_fix part. */ - p = frag_more (inst_main.size); - s7_number_to_chars (p, inst_main.instruction, inst_main.size); - - if (inst_main.reloc.type != BFD_RELOC_NONE) - { - s7_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, - &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); - } - -#ifdef OBJ_ELF - dwarf2_emit_insn (inst_main.size); -#endif - - /* s7_GP instruction can not do optimization, only can do relax between - 1 instruction and 3 instructions. */ - p = frag_var (rs_machine_dependent, inst_main.relax_size + s7_RELAX_PAD_BYTE, 0, - s7_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0), - inst_main.reloc.exp.X_add_symbol, 0, NULL); - - /* Write fr_var part. - no calling s7_gen_insn_frag, no fixS will be generated. */ - s7_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size); - p += inst_expand[0].size; - s7_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size); - p += inst_expand[1].size; - s7_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size); - } - else - { - s7_gen_insn_frag (&inst_expand[0], NULL); - s7_gen_insn_frag (&inst_expand[1], NULL); - s7_gen_insn_frag (&inst_expand[2], NULL); - } - s7_nor1 = r1_bak; - - /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ - s7_inst.bwarn = -1; -} - -static void -s7_do_lw_pic (char *str) -{ - int reg_rd; - - s7_skip_whitespace (str); - if (((reg_rd = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - || (s7_skip_past_comma (&str) == (int) s7_FAIL) - || (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL) - || (s7_end_of_line (str) == (int) s7_FAIL)) - { - return; - } - else - { - if (s7_inst.reloc.exp.X_add_symbol == 0) - { - if (!s7_inst.error) - s7_inst.error = s7_BAD_ARGS; - - return; - } - - s7_inst.instruction |= s7_GP << 15; - s7_inst.reloc.type = BFD_RELOC_SCORE_GOT15; - } -} - -static void -s7_do_empty (char *str) -{ - str = str; - if (s7_university_version == 1) - { - if (((s7_inst.instruction & 0x3e0003ff) == 0x0c000004) - || ((s7_inst.instruction & 0x3e0003ff) == 0x0c000024) - || ((s7_inst.instruction & 0x3e0003ff) == 0x0c000044) - || ((s7_inst.instruction & 0x3e0003ff) == 0x0c000064)) - { - s7_inst.error = s7_ERR_FOR_SCORE5U_MMU; - return; - } - } - if (s7_end_of_line (str) == (int) s7_FAIL) - return; - - if (s7_inst.relax_inst != 0x8000) - { - if (s7_inst.type == NO_OPD) - { - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_size = 4; - } - } -} - -static void -s7_do_jump (char *str) -{ - char *save_in; - - s7_skip_whitespace (str); - if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - return; - - if (s7_inst.reloc.exp.X_add_symbol == 0) - { - s7_inst.error = _("lacking label "); - return; - } - - if (!(s7_inst.reloc.exp.X_add_number >= -16777216 - && s7_inst.reloc.exp.X_add_number <= 16777215)) - { - s7_inst.error = _("invalid constant: 25 bit expression not in range [-16777216, 16777215]"); - return; - } - - save_in = input_line_pointer; - input_line_pointer = str; - s7_inst.reloc.type = BFD_RELOC_SCORE_JMP; - s7_inst.reloc.pc_rel = 1; - input_line_pointer = save_in; -} - -static void -s7_do16_jump (char *str) -{ - s7_skip_whitespace (str); - if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else if (s7_inst.reloc.exp.X_add_symbol == 0) - { - s7_inst.error = _("lacking label "); - return; - } - else if (!(s7_inst.reloc.exp.X_add_number >= 0 - && s7_inst.reloc.exp.X_add_number <= 4095)) - { - s7_inst.error = _("invalid constant: 12 bit expression not in range [0, 4095]"); - return; - } - - s7_inst.reloc.type = BFD_RELOC_SCORE16_JMP; - s7_inst.reloc.pc_rel = 1; -} - -static void -s7_do_branch (char *str) -{ - unsigned long abs_value = 0; - - if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL) - { - return; - } - else if (s7_inst.reloc.exp.X_add_symbol == 0) - { - s7_inst.error = _("lacking label "); - return; - } - else if (!(s7_inst.reloc.exp.X_add_number >= -524288 - && s7_inst.reloc.exp.X_add_number <= 524287)) - { - s7_inst.error = _("invalid constant: 20 bit expression not in range -2^19..2^19"); - return; - } - - s7_inst.reloc.type = BFD_RELOC_SCORE_BRANCH; - s7_inst.reloc.pc_rel = 1; - - /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */ - s7_inst.instruction |= (s7_inst.reloc.exp.X_add_number & 0x3fe) | ((s7_inst.reloc.exp.X_add_number & 0xffc00) << 5); - - /* Compute 16 bit branch instruction. */ - if ((s7_inst.relax_inst != 0x8000) && (abs_value & 0xfffffe00) == 0) - { - s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 8); - s7_inst.relax_inst |= ((s7_inst.reloc.exp.X_add_number >> 1) & 0xff); - s7_inst.relax_size = 2; - } - else - { - s7_inst.relax_inst = 0x8000; - } -} - -static void -s7_do16_branch (char *str) -{ - if ((s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL - || s7_end_of_line (str) == (int) s7_FAIL)) - { - ; - } - else if (s7_inst.reloc.exp.X_add_symbol == 0) - { - s7_inst.error = _("lacking label"); - } - else if (!(s7_inst.reloc.exp.X_add_number >= -512 - && s7_inst.reloc.exp.X_add_number <= 511)) - { - s7_inst.error = _("invalid constant: 10 bit expression not in range [-2^9, 2^9-1]"); - } - else - { - s7_inst.reloc.type = BFD_RELOC_SCORE16_BRANCH; - s7_inst.reloc.pc_rel = 1; - s7_inst.instruction |= ((s7_inst.reloc.exp.X_add_number >> 1) & 0xff); - } -} - -/* Iterate over the base tables to create the instruction patterns. */ - -static void -s7_build_score_ops_hsh (void) -{ - unsigned int i; - static struct obstack insn_obstack; - - obstack_begin (&insn_obstack, 4000); - for (i = 0; i < sizeof (s7_score_insns) / sizeof (struct s7_asm_opcode); i++) - { - const struct s7_asm_opcode *insn = s7_score_insns + i; - unsigned len = strlen (insn->template_name); - struct s7_asm_opcode *new_opcode; - char *template_name; - new_opcode = (struct s7_asm_opcode *) - obstack_alloc (&insn_obstack, sizeof (struct s7_asm_opcode)); - template_name = (char *) obstack_alloc (&insn_obstack, len + 1); - - strcpy (template_name, insn->template_name); - new_opcode->template_name = template_name; - new_opcode->parms = insn->parms; - new_opcode->value = insn->value; - new_opcode->relax_value = insn->relax_value; - new_opcode->type = insn->type; - new_opcode->bitmask = insn->bitmask; - hash_insert (s7_score_ops_hsh, new_opcode->template_name, - (void *) new_opcode); - } -} - -static void -s7_build_dependency_insn_hsh (void) -{ - unsigned int i; - static struct obstack dependency_obstack; - - obstack_begin (&dependency_obstack, 4000); - for (i = 0; i < ARRAY_SIZE (s7_insn_to_dependency_table); i++) - { - const struct s7_insn_to_dependency *tmp = s7_insn_to_dependency_table + i; - unsigned len = strlen (tmp->insn_name); - struct s7_insn_to_dependency *new_i2d; - - new_i2d = (struct s7_insn_to_dependency *) - obstack_alloc (&dependency_obstack, - sizeof (struct s7_insn_to_dependency)); - new_i2d->insn_name = (char *) obstack_alloc (&dependency_obstack, - len + 1); - - strcpy (new_i2d->insn_name, tmp->insn_name); - new_i2d->type = tmp->type; - hash_insert (s7_dependency_insn_hsh, new_i2d->insn_name, - (void *) new_i2d); - } -} - -static valueT -s7_md_chars_to_number (char *buf, int n) -{ - valueT result = 0; - unsigned char *where = (unsigned char *) buf; - - if (target_big_endian) - { - while (n--) - { - result <<= 8; - result |= (*where++ & 255); - } - } - else - { - while (n--) - { - result <<= 8; - result |= (where[n] & 255); - } - } - - return result; -} - -/* Return true if the given symbol should be considered local for s7_PIC. */ - -static bfd_boolean -s7_pic_need_relax (symbolS *sym, asection *segtype) -{ - asection *symsec; - bfd_boolean linkonce; - - /* Handle the case of a symbol equated to another symbol. */ - while (symbol_equated_reloc_p (sym)) - { - symbolS *n; - - /* It's possible to get a loop here in a badly written - program. */ - n = symbol_get_value_expression (sym)->X_add_symbol; - if (n == sym) - break; - sym = n; - } - - symsec = S_GET_SEGMENT (sym); - - /* Duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */ - linkonce = FALSE; - if (symsec != segtype && ! S_IS_LOCAL (sym)) - { - if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE) != 0) - linkonce = TRUE; - - /* The GNU toolchain uses an extension for ELF: a section - beginning with the magic string .gnu.linkonce is a linkonce - section. */ - if (strncmp (segment_name (symsec), ".gnu.linkonce", - sizeof ".gnu.linkonce" - 1) == 0) - linkonce = TRUE; - } - - /* This must duplicate the test in adjust_reloc_syms. */ - return (!bfd_is_und_section (symsec) - && !bfd_is_abs_section (symsec) - && !bfd_is_com_section (symsec) - && !linkonce -#ifdef OBJ_ELF - /* A global or weak symbol is treated as external. */ - && (OUTPUT_FLAVOR != bfd_target_elf_flavour - || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym))) -#endif - ); -} - -static int -s7_judge_size_before_relax (fragS * fragp, asection *sec) -{ - int change = 0; - - if (s7_score_pic == s7_NO_PIC) - change = s7_nopic_need_relax (fragp->fr_symbol, 0); - else - change = s7_pic_need_relax (fragp->fr_symbol, sec); - - if (change == 1) - { - /* Only at the first time determining whether s7_GP instruction relax should be done, - return the difference between insntruction size and instruction relax size. */ - if (fragp->fr_opcode == NULL) - { - fragp->fr_fix = s7_RELAX_NEW (fragp->fr_subtype); - fragp->fr_opcode = fragp->fr_literal + s7_RELAX_RELOC1 (fragp->fr_subtype); - return s7_RELAX_NEW (fragp->fr_subtype) - s7_RELAX_OLD (fragp->fr_subtype); - } - } - - return 0; -} - -static int -s7_b32_relax_to_b16 (fragS * fragp) -{ - int grows = 0; - int relaxable_p = 0; - int frag_addr = fragp->fr_address + fragp->insn_addr; - - addressT symbol_address = 0; - symbolS *s; - offsetT offset; - unsigned long value; - unsigned long abs_value; - - /* FIXME : here may be able to modify better . - I don't know how to get the fragp's section , - so in relax stage , it may be wrong to calculate the symbol's offset when the frag's section - is different from the symbol's. */ - - relaxable_p = s7_RELAX_OPT (fragp->fr_subtype); - - s = fragp->fr_symbol; - /* b/bl immediate */ - if (s == NULL) - frag_addr = 0; - else - { - if (s->bsym != 0) - symbol_address = (addressT) s->sy_frag->fr_address; - } - - value = s7_md_chars_to_number (fragp->fr_literal, s7_INSN_SIZE); - - /* b 32's offset : 20 bit, b 16's tolerate field : 0xff. */ - offset = ((value & 0x3ff0000) >> 6) | (value & 0x3fe); - if ((offset & 0x80000) == 0x80000) - offset |= 0xfff00000; - - abs_value = offset + symbol_address - frag_addr; - if ((abs_value & 0x80000000) == 0x80000000) - abs_value = 0xffffffff - abs_value + 1; - - /* Relax branch 32 to branch 16. */ - if (relaxable_p && (s->bsym != NULL) && ((abs_value & 0xffffff00) == 0) - && (S_IS_DEFINED (s) && !S_IS_COMMON (s) && !S_IS_EXTERNAL (s))) - { - /* do nothing. */ - } - else - { - /* Branch 32 can not be relaxed to b 16, so clear OPT bit. */ - fragp->fr_opcode = NULL; - fragp->fr_subtype = s7_RELAX_OPT_CLEAR (fragp->fr_subtype); - } - - return grows; -} - -static void -s7_parse_pce_inst (char *insnstr) -{ - char c; - char *p; - char *q; - char first[s7_MAX_LITERAL_POOL_SIZE]; - char second[s7_MAX_LITERAL_POOL_SIZE]; - struct s7_score_it pec_part_1; - - /* Get first part string of PCE. */ - p = strstr (insnstr, "||"); - c = *p; - *p = '\0'; - sprintf (first, "%s", insnstr); - - /* Get second part string of PCE. */ - *p = c; - p += 2; - sprintf (second, "%s", p); - - s7_parse_16_32_inst (first, FALSE); - if (s7_inst.error) - return; - - memcpy (&pec_part_1, &s7_inst, sizeof (s7_inst)); - - q = second; - while (q && *q) - { - *q = TOLOWER (*q); - q++; - } - - s7_parse_16_32_inst (second, FALSE); - if (s7_inst.error) - return; - - if ( ((pec_part_1.size == s7_INSN_SIZE) && (s7_inst.size == s7_INSN_SIZE)) - || ((pec_part_1.size == s7_INSN_SIZE) && (s7_inst.size == s7_INSN16_SIZE)) - || ((pec_part_1.size == s7_INSN16_SIZE) && (s7_inst.size == s7_INSN_SIZE))) - { - s7_inst.error = _("pce instruction error (16 bit || 16 bit)'"); - sprintf (s7_inst.str, insnstr); - return; - } - - if (!s7_inst.error) - s7_gen_insn_frag (&pec_part_1, &s7_inst); -} - - - -static void -s7_insert_reg (const struct s7_reg_entry *r, struct hash_control *htab) -{ - int i = 0; - int len = strlen (r->name) + 2; - char *buf = xmalloc (len); - char *buf2 = xmalloc (len); - - strcpy (buf + i, r->name); - for (i = 0; buf[i]; i++) - { - buf2[i] = TOUPPER (buf[i]); - } - buf2[i] = '\0'; - - hash_insert (htab, buf, (void *) r); - hash_insert (htab, buf2, (void *) r); -} - -static void -s7_build_reg_hsh (struct s7_reg_map *map) -{ - const struct s7_reg_entry *r; - - if ((map->htab = hash_new ()) == NULL) - { - as_fatal (_("virtual memory exhausted")); - } - for (r = map->names; r->name != NULL; r++) - { - s7_insert_reg (r, map->htab); - } -} - - - -/* If we change section we must dump the literal pool first. */ -static void -s7_s_score_bss (int ignore ATTRIBUTE_UNUSED) -{ - subseg_set (bss_section, (subsegT) get_absolute_expression ()); - demand_empty_rest_of_line (); -} - -static void -s7_s_score_text (int ignore) -{ - obj_elf_text (ignore); - record_alignment (now_seg, 2); -} - -static void -s7_s_section (int ignore) -{ - obj_elf_section (ignore); - if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) - record_alignment (now_seg, 2); - -} - -static void -s7_s_change_sec (int sec) -{ - segT seg; - -#ifdef OBJ_ELF - /* The ELF backend needs to know that we are changing sections, so - that .previous works correctly. We could do something like check - for an obj_section_change_hook macro, but that might be confusing - as it would not be appropriate to use it in the section changing - functions in read.c, since obj-elf.c intercepts those. FIXME: - This should be cleaner, somehow. */ - obj_elf_section_change_hook (); -#endif - switch (sec) - { - case 'r': - seg = subseg_new (s7_RDATA_SECTION_NAME, (subsegT) get_absolute_expression ()); - bfd_set_section_flags (stdoutput, seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_RELOC | SEC_DATA)); - if (strcmp (TARGET_OS, "elf") != 0) - record_alignment (seg, 4); - demand_empty_rest_of_line (); - break; - case 's': - seg = subseg_new (".sdata", (subsegT) get_absolute_expression ()); - bfd_set_section_flags (stdoutput, seg, SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA); - if (strcmp (TARGET_OS, "elf") != 0) - record_alignment (seg, 4); - demand_empty_rest_of_line (); - break; - } -} - -static void -s7_s_score_mask (int reg_type ATTRIBUTE_UNUSED) -{ - long mask, off; - - if (s7_cur_proc_ptr == NULL) - { - as_warn (_(".mask outside of .ent")); - demand_empty_rest_of_line (); - return; - } - if (get_absolute_expression_and_terminator (&mask) != ',') - { - as_warn (_("Bad .mask directive")); - --input_line_pointer; - demand_empty_rest_of_line (); - return; - } - off = get_absolute_expression (); - s7_cur_proc_ptr->reg_mask = mask; - s7_cur_proc_ptr->reg_offset = off; - demand_empty_rest_of_line (); -} - -static symbolS * -s7_get_symbol (void) -{ - int c; - char *name; - symbolS *p; - - name = input_line_pointer; - c = get_symbol_end (); - p = (symbolS *) symbol_find_or_make (name); - *input_line_pointer = c; - return p; -} - -static long -s7_get_number (void) -{ - int negative = 0; - long val = 0; - - if (*input_line_pointer == '-') - { - ++input_line_pointer; - negative = 1; - } - if (!ISDIGIT (*input_line_pointer)) - as_bad (_("expected simple number")); - if (input_line_pointer[0] == '0') - { - if (input_line_pointer[1] == 'x') - { - input_line_pointer += 2; - while (ISXDIGIT (*input_line_pointer)) - { - val <<= 4; - val |= hex_value (*input_line_pointer++); - } - return negative ? -val : val; - } - else - { - ++input_line_pointer; - while (ISDIGIT (*input_line_pointer)) - { - val <<= 3; - val |= *input_line_pointer++ - '0'; - } - return negative ? -val : val; - } - } - if (!ISDIGIT (*input_line_pointer)) - { - printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer); - as_warn (_("invalid number")); - return -1; - } - while (ISDIGIT (*input_line_pointer)) - { - val *= 10; - val += *input_line_pointer++ - '0'; - } - return negative ? -val : val; -} - -/* The .aent and .ent directives. */ - -static void -s7_s_score_ent (int aent) -{ - symbolS *symbolP; - int maybe_text; - - symbolP = s7_get_symbol (); - if (*input_line_pointer == ',') - ++input_line_pointer; - SKIP_WHITESPACE (); - if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-') - s7_get_number (); - -#ifdef BFD_ASSEMBLER - if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) - maybe_text = 1; - else - maybe_text = 0; -#else - if (now_seg != data_section && now_seg != bss_section) - maybe_text = 1; - else - maybe_text = 0; -#endif - if (!maybe_text) - as_warn (_(".ent or .aent not in text section.")); - if (!aent && s7_cur_proc_ptr) - as_warn (_("missing .end")); - if (!aent) - { - s7_cur_proc_ptr = &s7_cur_proc; - s7_cur_proc_ptr->reg_mask = 0xdeadbeaf; - s7_cur_proc_ptr->reg_offset = 0xdeadbeaf; - s7_cur_proc_ptr->fpreg_mask = 0xdeafbeaf; - s7_cur_proc_ptr->leaf = 0xdeafbeaf; - s7_cur_proc_ptr->frame_offset = 0xdeafbeaf; - s7_cur_proc_ptr->frame_reg = 0xdeafbeaf; - s7_cur_proc_ptr->pc_reg = 0xdeafbeaf; - s7_cur_proc_ptr->isym = symbolP; - symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; - ++s7_numprocs; - if (debug_type == DEBUG_STABS) - stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP)); - } - demand_empty_rest_of_line (); -} - -static void -s7_s_score_frame (int ignore ATTRIBUTE_UNUSED) -{ - char *backupstr; - char str[30]; - long val; - int i = 0; - - backupstr = input_line_pointer; - -#ifdef OBJ_ELF - if (s7_cur_proc_ptr == NULL) - { - as_warn (_(".frame outside of .ent")); - demand_empty_rest_of_line (); - return; - } - s7_cur_proc_ptr->frame_reg = s7_reg_required_here ((&backupstr), 0, s7_REG_TYPE_SCORE); - SKIP_WHITESPACE (); - s7_skip_past_comma (&backupstr); - while (*backupstr != ',') - { - str[i] = *backupstr; - i++; - backupstr++; - } - str[i] = '\0'; - val = atoi (str); - - SKIP_WHITESPACE (); - s7_skip_past_comma (&backupstr); - s7_cur_proc_ptr->frame_offset = val; - s7_cur_proc_ptr->pc_reg = s7_reg_required_here ((&backupstr), 0, s7_REG_TYPE_SCORE); - - SKIP_WHITESPACE (); - s7_skip_past_comma (&backupstr); - i = 0; - while (*backupstr != '\n') - { - str[i] = *backupstr; - i++; - backupstr++; - } - str[i] = '\0'; - val = atoi (str); - s7_cur_proc_ptr->leaf = val; - SKIP_WHITESPACE (); - s7_skip_past_comma (&backupstr); - -#endif /* OBJ_ELF */ - while (input_line_pointer != backupstr) - input_line_pointer++; -} - -/* The .end directive. */ - -static void -s7_s_score_end (int x ATTRIBUTE_UNUSED) -{ - symbolS *p; - int maybe_text; - - /* Generate a .pdr section. */ - segT saved_seg = now_seg; - subsegT saved_subseg = now_subseg; - expressionS exp; - char *fragp; - - if (!is_end_of_line[(unsigned char)*input_line_pointer]) - { - p = s7_get_symbol (); - demand_empty_rest_of_line (); - } - else - p = NULL; - -#ifdef BFD_ASSEMBLER - if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) - maybe_text = 1; - else - maybe_text = 0; -#else - if (now_seg != data_section && now_seg != bss_section) - maybe_text = 1; - else - maybe_text = 0; -#endif - - if (!maybe_text) - as_warn (_(".end not in text section")); - if (!s7_cur_proc_ptr) - { - as_warn (_(".end directive without a preceding .ent directive.")); - demand_empty_rest_of_line (); - return; - } - if (p != NULL) - { - gas_assert (S_GET_NAME (p)); - if (strcmp (S_GET_NAME (p), S_GET_NAME (s7_cur_proc_ptr->isym))) - as_warn (_(".end symbol does not match .ent symbol.")); - if (debug_type == DEBUG_STABS) - stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p)); - } - else - as_warn (_(".end directive missing or unknown symbol")); - - if ((s7_cur_proc_ptr->reg_mask == 0xdeadbeaf) || - (s7_cur_proc_ptr->reg_offset == 0xdeadbeaf) || - (s7_cur_proc_ptr->leaf == 0xdeafbeaf) || - (s7_cur_proc_ptr->frame_offset == 0xdeafbeaf) || - (s7_cur_proc_ptr->frame_reg == 0xdeafbeaf) || (s7_cur_proc_ptr->pc_reg == 0xdeafbeaf)); - - else - { - (void) frag_now_fix (); - gas_assert (s7_pdr_seg); - subseg_set (s7_pdr_seg, 0); - /* Write the symbol. */ - exp.X_op = O_symbol; - exp.X_add_symbol = p; - exp.X_add_number = 0; - emit_expr (&exp, 4); - fragp = frag_more (7 * 4); - s7_number_to_chars (fragp, (valueT) s7_cur_proc_ptr->reg_mask, 4); - s7_number_to_chars (fragp + 4, (valueT) s7_cur_proc_ptr->reg_offset, 4); - s7_number_to_chars (fragp + 8, (valueT) s7_cur_proc_ptr->fpreg_mask, 4); - s7_number_to_chars (fragp + 12, (valueT) s7_cur_proc_ptr->leaf, 4); - s7_number_to_chars (fragp + 16, (valueT) s7_cur_proc_ptr->frame_offset, 4); - s7_number_to_chars (fragp + 20, (valueT) s7_cur_proc_ptr->frame_reg, 4); - s7_number_to_chars (fragp + 24, (valueT) s7_cur_proc_ptr->pc_reg, 4); - subseg_set (saved_seg, saved_subseg); - - } - s7_cur_proc_ptr = NULL; -} - -/* Handle the .set pseudo-op. */ - -static void -s7_s_score_set (int x ATTRIBUTE_UNUSED) -{ - int i = 0; - char name[s7_MAX_LITERAL_POOL_SIZE]; - char * orig_ilp = input_line_pointer; - - while (!is_end_of_line[(unsigned char)*input_line_pointer]) - { - name[i] = (char) * input_line_pointer; - i++; - ++input_line_pointer; - } - - name[i] = '\0'; - - if (strcmp (name, "nwarn") == 0) - { - s7_warn_fix_data_dependency = 0; - } - else if (strcmp (name, "fixdd") == 0) - { - s7_fix_data_dependency = 1; - } - else if (strcmp (name, "nofixdd") == 0) - { - s7_fix_data_dependency = 0; - } - else if (strcmp (name, "r1") == 0) - { - s7_nor1 = 0; - } - else if (strcmp (name, "nor1") == 0) - { - s7_nor1 = 1; - } - else if (strcmp (name, "optimize") == 0) - { - s7_g_opt = 1; - } - else if (strcmp (name, "volatile") == 0) - { - s7_g_opt = 0; - } - else if (strcmp (name, "pic") == 0) - { - s7_score_pic = s7_PIC; - } - else - { - input_line_pointer = orig_ilp; - s_set (0); - } -} - -/* Handle the .cpload pseudo-op. This is used when generating s7_PIC code. It sets the - $gp register for the function based on the function address, which is in the register - named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled - specially by the linker. The result is: - ldis gp, %hi(GP_DISP_LABEL) - ori gp, %low(GP_DISP_LABEL) - add gp, gp, .cpload argument - The .cpload argument is normally r29. */ - -static void -s7_s_score_cpload (int ignore ATTRIBUTE_UNUSED) -{ - int reg; - char insn_str[s7_MAX_LITERAL_POOL_SIZE]; - - /* If we are not generating s7_PIC code, .cpload is ignored. */ - if (s7_score_pic == s7_NO_PIC) - { - s_ignore (0); - return; - } - - if ((reg = s7_reg_required_here (&input_line_pointer, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - return; - - demand_empty_rest_of_line (); - - sprintf (insn_str, "ld_i32hi r%d, %s", s7_GP, GP_DISP_LABEL); - if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) - return; - - sprintf (insn_str, "ld_i32lo r%d, %s", s7_GP, GP_DISP_LABEL); - if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) - return; - - sprintf (insn_str, "add r%d, r%d, r%d", s7_GP, s7_GP, reg); - if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) - return; -} - -/* Handle the .cprestore pseudo-op. This stores $gp into a given - offset from $sp. The offset is remembered, and after making a s7_PIC - call $gp is restored from that location. */ - -static void -s7_s_score_cprestore (int ignore ATTRIBUTE_UNUSED) -{ - int reg; - int cprestore_offset; - char insn_str[s7_MAX_LITERAL_POOL_SIZE]; - - /* If we are not generating s7_PIC code, .cprestore is ignored. */ - if (s7_score_pic == s7_NO_PIC) - { - s_ignore (0); - return; - } - - if ((reg = s7_reg_required_here (&input_line_pointer, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL - || s7_skip_past_comma (&input_line_pointer) == (int) s7_FAIL) - { - return; - } - - cprestore_offset = get_absolute_expression (); - - if (cprestore_offset <= 0x3fff) - { - sprintf (insn_str, "sw r%d, [r%d, %d]", s7_GP, reg, cprestore_offset); - if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) - return; - } - else - { - int r1_bak; - - r1_bak = s7_nor1; - s7_nor1 = 0; - - sprintf (insn_str, "li r1, %d", cprestore_offset); - if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) - return; - - sprintf (insn_str, "add r1, r1, r%d", reg); - if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) - return; - - sprintf (insn_str, "sw r%d, [r1]", s7_GP); - if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) - return; - - s7_nor1 = r1_bak; - } - - demand_empty_rest_of_line (); -} - -/* Handle the .gpword pseudo-op. This is used when generating s7_PIC - code. It generates a 32 bit s7_GP relative reloc. */ - -static void -s7_s_score_gpword (int ignore ATTRIBUTE_UNUSED) -{ - expressionS ex; - char *p; - - /* When not generating s7_PIC code, this is treated as .word. */ - if (s7_score_pic == s7_NO_PIC) - { - cons (4); - return; - } - expression (&ex); - if (ex.X_op != O_symbol || ex.X_add_number != 0) - { - as_bad (_("Unsupported use of .gpword")); - ignore_rest_of_line (); - } - p = frag_more (4); - s7_number_to_chars (p, (valueT) 0, 4); - fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32); - demand_empty_rest_of_line (); -} - -/* Handle the .cpadd pseudo-op. This is used when dealing with switch - tables in s7_PIC code. */ - -static void -s7_s_score_cpadd (int ignore ATTRIBUTE_UNUSED) -{ - int reg; - char insn_str[s7_MAX_LITERAL_POOL_SIZE]; - - /* If we are not generating s7_PIC code, .cpload is ignored. */ - if (s7_score_pic == s7_NO_PIC) - { - s_ignore (0); - return; - } - - if ((reg = s7_reg_required_here (&input_line_pointer, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) - { - return; - } - demand_empty_rest_of_line (); - - /* Add $gp to the register named as an argument. */ - sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, s7_GP); - if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) - return; -} - -#ifndef TC_IMPLICIT_LCOMM_ALIGNMENT -#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \ - do \ - { \ - if ((SIZE) >= 8) \ - (P2VAR) = 3; \ - else if ((SIZE) >= 4) \ - (P2VAR) = 2; \ - else if ((SIZE) >= 2) \ - (P2VAR) = 1; \ - else \ - (P2VAR) = 0; \ - } \ - while (0) -#endif - -static void -s7_s_score_lcomm (int bytes_p) -{ - char *name; - char c; - char *p; - int temp; - symbolS *symbolP; - segT current_seg = now_seg; - subsegT current_subseg = now_subseg; - const int max_alignment = 15; - int align = 0; - segT bss_seg = bss_section; - int needs_align = 0; - - name = input_line_pointer; - c = get_symbol_end (); - p = input_line_pointer; - *p = c; - - if (name == p) - { - as_bad (_("expected symbol name")); - discard_rest_of_line (); - return; - } - - SKIP_WHITESPACE (); - - /* Accept an optional comma after the name. The comma used to be - required, but Irix 5 cc does not generate it. */ - if (*input_line_pointer == ',') - { - ++input_line_pointer; - SKIP_WHITESPACE (); - } - - if (is_end_of_line[(unsigned char)*input_line_pointer]) - { - as_bad (_("missing size expression")); - return; - } - - if ((temp = get_absolute_expression ()) < 0) - { - as_warn (_("BSS length (%d) < 0 ignored"), temp); - ignore_rest_of_line (); - return; - } - -#if defined (TC_SCORE) - if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour) - { - /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */ - if ((unsigned) temp <= bfd_get_gp_size (stdoutput)) - { - bss_seg = subseg_new (".sbss", 1); - seg_info (bss_seg)->bss = 1; -#ifdef BFD_ASSEMBLER - if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC)) - as_warn (_("error setting flags for \".sbss\": %s"), bfd_errmsg (bfd_get_error ())); -#endif - } - } -#endif - - SKIP_WHITESPACE (); - if (*input_line_pointer == ',') - { - ++input_line_pointer; - SKIP_WHITESPACE (); - - if (is_end_of_line[(unsigned char)*input_line_pointer]) - { - as_bad (_("missing alignment")); - return; - } - else - { - align = get_absolute_expression (); - needs_align = 1; - } - } - - if (!needs_align) - { - TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align); - - /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */ - if (align) - record_alignment (bss_seg, align); - } - - if (needs_align) - { - if (bytes_p) - { - /* Convert to a power of 2. */ - if (align != 0) - { - unsigned int i; - - for (i = 0; align != 0; align >>= 1, ++i) - ; - align = i - 1; - } - } - - if (align > max_alignment) - { - align = max_alignment; - as_warn (_("alignment too large; %d assumed"), align); - } - else if (align < 0) - { - align = 0; - as_warn (_("alignment negative; 0 assumed")); - } - - record_alignment (bss_seg, align); - } - else - { - /* Assume some objects may require alignment on some systems. */ -#if defined (TC_ALPHA) && ! defined (VMS) - if (temp > 1) - { - align = ffs (temp) - 1; - if (temp % (1 << align)) - abort (); - } -#endif - } - - *p = 0; - symbolP = symbol_find_or_make (name); - *p = c; - - if ( -#if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \ - || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT)) -#ifdef BFD_ASSEMBLER - (OUTPUT_FLAVOR != bfd_target_aout_flavour - || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) && -#else - (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) && -#endif -#endif - (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0))) - { - char *pfrag; - - subseg_set (bss_seg, 1); - - if (align) - frag_align (align, 0, 0); - - /* Detach from old frag. */ - if (S_GET_SEGMENT (symbolP) == bss_seg) - symbol_get_frag (symbolP)->fr_symbol = NULL; - - symbol_set_frag (symbolP, frag_now); - pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL); - *pfrag = 0; - - - S_SET_SEGMENT (symbolP, bss_seg); - -#ifdef OBJ_COFF - /* The symbol may already have been created with a preceding - ".globl" directive -- be careful not to step on storage class - in that case. Otherwise, set it to static. */ - if (S_GET_STORAGE_CLASS (symbolP) != C_EXT) - { - S_SET_STORAGE_CLASS (symbolP, C_STAT); - } -#endif /* OBJ_COFF */ - -#ifdef S_SET_SIZE - S_SET_SIZE (symbolP, temp); -#endif - } - else - as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP)); - - subseg_set (current_seg, current_subseg); - - demand_empty_rest_of_line (); -} - - - -static void -s7_begin (void) -{ - unsigned int i; - segT seg; - subsegT subseg; - - if ((s7_score_ops_hsh = hash_new ()) == NULL) - as_fatal (_("virtual memory exhausted")); - - s7_build_score_ops_hsh (); - - if ((s7_dependency_insn_hsh = hash_new ()) == NULL) - as_fatal (_("virtual memory exhausted")); - - s7_build_dependency_insn_hsh (); - - for (i = (int) REG_TYPE_FIRST; i < (int) s7_REG_TYPE_MAX; i++) - s7_build_reg_hsh (s7_all_reg_maps + i); - - /* Initialize dependency vector. */ - s7_init_dependency_vector (); - - bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0); - seg = now_seg; - subseg = now_subseg; - s7_pdr_seg = subseg_new (".pdr", (subsegT) 0); - (void) bfd_set_section_flags (stdoutput, s7_pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING); - (void) bfd_set_section_alignment (stdoutput, s7_pdr_seg, 2); - subseg_set (seg, subseg); - - if (s7_USE_GLOBAL_POINTER_OPT) - bfd_set_gp_size (stdoutput, s7_g_switch_value); -} - -static void -s7_assemble (char *str) -{ - know (str); - know (strlen (str) < s7_MAX_LITERAL_POOL_SIZE); - - memset (&s7_inst, '\0', sizeof (s7_inst)); - if (s7_INSN_IS_PCE_P (str)) - s7_parse_pce_inst (str); - else - s7_parse_16_32_inst (str, TRUE); - - if (s7_inst.error) - as_bad (_("%s -- `%s'"), s7_inst.error, s7_inst.str); -} - -/* We handle all bad expressions here, so that we can report the faulty - instruction in the error message. */ - -static void -s7_operand (expressionS * exp) -{ - if (s7_in_my_get_expression) - { - exp->X_op = O_illegal; - if (s7_inst.error == NULL) - { - s7_inst.error = _("bad expression"); - } - } -} - -/* Turn a string in input_line_pointer into a floating point constant - of type TYPE, and store the appropriate bytes in *LITP. The number - of LITTLENUMS emitted is stored in *SIZEP. An error message is - returned, or NULL on OK. - - Note that fp constants aren't represent in the normal way on the ARM. - In big endian mode, things are as expected. However, in little endian - mode fp constants are big-endian word-wise, and little-endian byte-wise - within the words. For example, (double) 1.1 in big endian mode is - the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is - the byte sequence 99 99 f1 3f 9a 99 99 99. */ - -static char * -s7_atof (int type, char *litP, int *sizeP) -{ - int prec; - LITTLENUM_TYPE words[s7_MAX_LITTLENUMS]; - char *t; - int i; - - switch (type) - { - case 'f': - case 'F': - case 's': - case 'S': - prec = 2; - break; - case 'd': - case 'D': - case 'r': - case 'R': - prec = 4; - break; - case 'x': - case 'X': - case 'p': - case 'P': - prec = 6; - break; - default: - *sizeP = 0; - return _("bad call to MD_ATOF()"); - } - - t = atof_ieee (input_line_pointer, type, words); - if (t) - input_line_pointer = t; - *sizeP = prec * 2; - - if (target_big_endian) - { - for (i = 0; i < prec; i++) - { - s7_number_to_chars (litP, (valueT) words[i], 2); - litP += 2; - } - } - else - { - for (i = 0; i < prec; i += 2) - { - s7_number_to_chars (litP, (valueT) words[i + 1], 2); - s7_number_to_chars (litP + 2, (valueT) words[i], 2); - litP += 4; - } - } - - return 0; -} - -/* Implementation of md_frag_check. - Called after md_convert_frag(). */ - -static void -s7_frag_check (fragS * fragp ATTRIBUTE_UNUSED) -{ - know (fragp->insn_addr <= s7_RELAX_PAD_BYTE); -} - -/* Implementation of TC_VALIDATE_FIX. - Called before md_apply_fix() and after md_convert_frag(). */ - -static void -s7_validate_fix (fixS *fixP) -{ - fixP->fx_where += fixP->fx_frag->insn_addr; -} - -static int -s7_force_relocation (struct fix *fixp) -{ - int retval = 0; - - if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT - || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY - || fixp->fx_r_type == BFD_RELOC_SCORE_JMP - || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH - || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP - || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH) - { - retval = 1; - } - - return retval; -} - -static bfd_boolean -s7_fix_adjustable (fixS * fixP) -{ - if (fixP->fx_addsy == NULL) - { - return 1; - } - else if (OUTPUT_FLAVOR == bfd_target_elf_flavour - && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy))) - { - return 0; - } - else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT - || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY - || fixP->fx_r_type == BFD_RELOC_SCORE_JMP - || fixP->fx_r_type == BFD_RELOC_SCORE16_JMP) - { - return 0; - } - - return 1; -} - -static void -s7_elf_final_processing (void) -{ - unsigned long val = E_SCORE_MACH_SCORE7; - - elf_elfheader (stdoutput)->e_machine = EM_SCORE; - elf_elfheader (stdoutput)->e_flags &= ~EF_SCORE_MACH; - elf_elfheader (stdoutput)->e_flags |= val; - - if (s7_fix_data_dependency == 1) - { - elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP; - } - if (s7_score_pic == s7_PIC) - { - elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC; - } -} - -/* In this function, we determine whether s7_GP instruction should do relaxation, - for the label being against was known now. - Doing this here but not in md_relax_frag() can induce iteration times - in stage of doing relax. */ - -static int -s7_estimate_size_before_relax (fragS * fragp, asection * sec) -{ - if ((s7_RELAX_TYPE (fragp->fr_subtype) == Insn_GP) - || (s7_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC)) - return s7_judge_size_before_relax (fragp, sec); - - return 0; -} - -static int -s7_relax_frag (asection * sec ATTRIBUTE_UNUSED, - fragS * fragp, - long stretch ATTRIBUTE_UNUSED) -{ - int grows = 0; - int insn_size; - int do_relax_p = 0; /* Indicate doing relaxation for this frag. */ - int relaxable_p = 0; - bfd_boolean word_align_p = FALSE; - fragS *next_fragp; - - /* If the instruction address is odd, make it half word align first. */ - if ((fragp->fr_address) % 2 != 0) - { - if ((fragp->fr_address + fragp->insn_addr) % 2 != 0) - { - fragp->insn_addr = 1; - grows += 1; - } - } - - word_align_p = ((fragp->fr_address + fragp->insn_addr) % 4 == 0) ? TRUE : FALSE; - - /* Get instruction size and relax size after the last relaxation. */ - if (fragp->fr_opcode) - insn_size = s7_RELAX_NEW (fragp->fr_subtype); - else - insn_size = s7_RELAX_OLD (fragp->fr_subtype); - - /* Handle specially for s7_GP instruction. for, s7_judge_size_before_relax() has already determine - whether the s7_GP instruction should do relax. */ - if ((s7_RELAX_TYPE (fragp->fr_subtype) == Insn_GP) - || (s7_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC)) - { - if (!word_align_p) - { - if (fragp->insn_addr < 2) - { - fragp->insn_addr += 2; - grows += 2; - } - else - { - fragp->insn_addr -= 2; - grows -= 2; - } - } - - if (fragp->fr_opcode) - fragp->fr_fix = s7_RELAX_NEW (fragp->fr_subtype) + fragp->insn_addr; - else - fragp->fr_fix = s7_RELAX_OLD (fragp->fr_subtype) + fragp->insn_addr; - } - else - { - if (s7_RELAX_TYPE (fragp->fr_subtype) == PC_DISP19div2) - s7_b32_relax_to_b16 (fragp); - - relaxable_p = s7_RELAX_OPT (fragp->fr_subtype); - next_fragp = fragp->fr_next; - while ((next_fragp) && (next_fragp->fr_type != rs_machine_dependent)) - { - next_fragp = next_fragp->fr_next; - } - - if (next_fragp) - { - int n_insn_size; - int n_relaxable_p = 0; - - if (next_fragp->fr_opcode) - { - n_insn_size = s7_RELAX_NEW (next_fragp->fr_subtype); - } - else - { - n_insn_size = s7_RELAX_OLD (next_fragp->fr_subtype); - } - - if (s7_RELAX_TYPE (next_fragp->fr_subtype) == PC_DISP19div2) - s7_b32_relax_to_b16 (next_fragp); - n_relaxable_p = s7_RELAX_OPT (next_fragp->fr_subtype); - - if (word_align_p) - { - if (insn_size == 4) - { - /* 32 -> 16. */ - if (relaxable_p && ((n_insn_size == 2) || n_relaxable_p)) - { - grows -= 2; - do_relax_p = 1; - } - } - else if (insn_size == 2) - { - /* 16 -> 32. */ - if (relaxable_p && (((n_insn_size == 4) && !n_relaxable_p) || (n_insn_size > 4))) - { - grows += 2; - do_relax_p = 1; - } - } - else - { - abort (); - } - } - else - { - if (insn_size == 4) - { - /* 32 -> 16. */ - if (relaxable_p) - { - grows -= 2; - do_relax_p = 1; - } - /* Make the 32 bit insturction word align. */ - else - { - fragp->insn_addr += 2; - grows += 2; - } - } - else if (insn_size == 2) - { - /* Do nothing. */ - } - else - { - abort (); - } - } - } - else - { - /* Here, try best to do relax regardless fragp->fr_next->fr_type. */ - if (word_align_p == FALSE) - { - if (insn_size % 4 == 0) - { - /* 32 -> 16. */ - if (relaxable_p) - { - grows -= 2; - do_relax_p = 1; - } - else - { - fragp->insn_addr += 2; - grows += 2; - } - } - } - else - { - /* Do nothing. */ - } - } - - /* fragp->fr_opcode indicates whether this frag should be relaxed. */ - if (do_relax_p) - { - if (fragp->fr_opcode) - { - fragp->fr_opcode = NULL; - /* Guarantee estimate stage is correct. */ - fragp->fr_fix = s7_RELAX_OLD (fragp->fr_subtype); - fragp->fr_fix += fragp->insn_addr; - } - else - { - fragp->fr_opcode = fragp->fr_literal + s7_RELAX_RELOC1 (fragp->fr_subtype); - /* Guarantee estimate stage is correct. */ - fragp->fr_fix = s7_RELAX_NEW (fragp->fr_subtype); - fragp->fr_fix += fragp->insn_addr; - } - } - else - { - if (fragp->fr_opcode) - { - /* Guarantee estimate stage is correct. */ - fragp->fr_fix = s7_RELAX_NEW (fragp->fr_subtype); - fragp->fr_fix += fragp->insn_addr; - } - else - { - /* Guarantee estimate stage is correct. */ - fragp->fr_fix = s7_RELAX_OLD (fragp->fr_subtype); - fragp->fr_fix += fragp->insn_addr; - } - } - } - - return grows; -} - -static void -s7_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, - segT sec ATTRIBUTE_UNUSED, - fragS * fragp) -{ - int r_old; - int r_new; - char backup[20]; - fixS *fixp; - - r_old = s7_RELAX_OLD (fragp->fr_subtype); - r_new = s7_RELAX_NEW (fragp->fr_subtype); - - /* fragp->fr_opcode indicates whether this frag should be relaxed. */ - if (fragp->fr_opcode == NULL) - { - memcpy (backup, fragp->fr_literal, r_old); - fragp->fr_fix = r_old; - } - else - { - memcpy (backup, fragp->fr_literal + r_old, r_new); - fragp->fr_fix = r_new; - } - - fixp = fragp->tc_frag_data.fixp; - while (fixp && fixp->fx_frag == fragp && fixp->fx_where < r_old) - { - if (fragp->fr_opcode) - fixp->fx_done = 1; - fixp = fixp->fx_next; - } - while (fixp && fixp->fx_frag == fragp) - { - if (fragp->fr_opcode) - fixp->fx_where -= r_old + fragp->insn_addr; - else - fixp->fx_done = 1; - fixp = fixp->fx_next; - } - - if (fragp->insn_addr) - { - s7_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr); - } - memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix); - fragp->fr_fix += fragp->insn_addr; -} - -static long -s7_pcrel_from (fixS * fixP) -{ - long retval = 0; - - if (fixP->fx_addsy - && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section) - && (fixP->fx_subsy == NULL)) - { - retval = 0; - } - else - { - retval = fixP->fx_where + fixP->fx_frag->fr_address; - } - - return retval; -} - -/* Round up a section size to the appropriate boundary. */ -static valueT -s7_section_align (segT segment, valueT size) -{ - int align = bfd_get_section_alignment (stdoutput, segment); - - return ((size + (1 << align) - 1) & (-1 << align)); -} - -static void -s7_apply_fix (fixS *fixP, valueT *valP, segT seg) -{ - offsetT value = *valP; - offsetT abs_value = 0; - offsetT newval; - offsetT content; - unsigned short HI, LO; - - char *buf = fixP->fx_frag->fr_literal + fixP->fx_where; - - gas_assert (fixP->fx_r_type < BFD_RELOC_UNUSED); - if (fixP->fx_addsy == 0 && !fixP->fx_pcrel) - { - if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16) - fixP->fx_done = 1; - } - - /* If this symbol is in a different section then we need to leave it for - the linker to deal with. Unfortunately, md_pcrel_from can't tell, - so we have to undo it's effects here. */ - if (fixP->fx_pcrel) - { - if (fixP->fx_addsy != NULL - && S_IS_DEFINED (fixP->fx_addsy) - && S_GET_SEGMENT (fixP->fx_addsy) != seg) - value += md_pcrel_from (fixP); - } - - /* Remember value for emit_reloc. */ - fixP->fx_addnumber = value; - - switch (fixP->fx_r_type) - { - case BFD_RELOC_HI16_S: - if (fixP->fx_done) - { /* For la rd, imm32. */ - newval = s7_md_chars_to_number (buf, s7_INSN_SIZE); - HI = (value) >> 16; /* mul to 2, then take the hi 16 bit. */ - newval |= (HI & 0x3fff) << 1; - newval |= ((HI >> 14) & 0x3) << 16; - s7_number_to_chars (buf, newval, s7_INSN_SIZE); - } - break; - case BFD_RELOC_LO16: - if (fixP->fx_done) /* For la rd, imm32. */ - { - newval = s7_md_chars_to_number (buf, s7_INSN_SIZE); - LO = (value) & 0xffff; - newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */ - newval |= ((LO >> 14) & 0x3) << 16; - s7_number_to_chars (buf, newval, s7_INSN_SIZE); - } - break; - case BFD_RELOC_SCORE_JMP: - { - content = s7_md_chars_to_number (buf, s7_INSN_SIZE); - value = fixP->fx_offset; - if (!(value >= 0 && value <= 0x1ffffff)) - { - as_bad_where (fixP->fx_file, fixP->fx_line, - _("j or jl truncate (0x%x) [0 ~ 2^25-1]"), (unsigned int) value); - return; - } - content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff); - s7_number_to_chars (buf, content, s7_INSN_SIZE); - } - break; - case BFD_RELOC_SCORE_BRANCH: - if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) - value = fixP->fx_offset; - else - fixP->fx_done = 1; - - content = s7_md_chars_to_number (buf, s7_INSN_SIZE); - if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0x80008000) != 0x80008000)) - { - if ((value & 0x80000000) == 0x80000000) - abs_value = 0xffffffff - value + 1; - if ((abs_value & 0xffffff00) != 0) - { - as_bad_where (fixP->fx_file, fixP->fx_line, - _(" branch relocation truncate (0x%x) [-2^8 ~ 2^8]"), (unsigned int) value); - return; - } - content = s7_md_chars_to_number (buf, s7_INSN16_SIZE); - content &= 0xff00; - content = (content & 0xff00) | ((value >> 1) & 0xff); - s7_number_to_chars (buf, content, s7_INSN16_SIZE); - fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH; - fixP->fx_size = 2; - } - else - { - if ((value & 0x80000000) == 0x80000000) - abs_value = 0xffffffff - value + 1; - if ((abs_value & 0xfff80000) != 0) - { - as_bad_where (fixP->fx_file, fixP->fx_line, - _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), - (unsigned int) value); - return; - } - content = s7_md_chars_to_number (buf, s7_INSN_SIZE); - content &= 0xfc00fc01; - content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); - s7_number_to_chars (buf, content, s7_INSN_SIZE); - } - break; - case BFD_RELOC_SCORE16_JMP: - content = s7_md_chars_to_number (buf, s7_INSN16_SIZE); - content &= 0xf001; - value = fixP->fx_offset; - if (!(value >= 0 && value <= 0xfff)) - { - as_bad_where (fixP->fx_file, fixP->fx_line, - _("j! or jl! truncate (0x%x) [0 ~ 2^12-1]"), (unsigned int) value); - return; - } - value = fixP->fx_offset & 0xfff; - content = (content & 0xfc01) | (value & 0xffe); - s7_number_to_chars (buf, content, s7_INSN16_SIZE); - break; - case BFD_RELOC_SCORE16_BRANCH: - content = s7_md_chars_to_number (buf, s7_INSN_SIZE); - if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0x80008000) == 0x80008000)) - { - if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || - (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) - value = fixP->fx_offset; - else - fixP->fx_done = 1; - - if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000) - { - as_bad_where (fixP->fx_file, fixP->fx_line, - _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), - (unsigned int) value); - return; - } - content = s7_md_chars_to_number (buf, s7_INSN_SIZE); - content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); - s7_number_to_chars (buf, content, s7_INSN_SIZE); - fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH; - fixP->fx_size = 4; - break; - } - else - { - /* In differnt section. */ - if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || - (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) - value = fixP->fx_offset; - else - fixP->fx_done = 1; - - if ((value & 0xffffff00) != 0 && (value & 0xffffff00) != 0xffffff00) - { - as_bad_where (fixP->fx_file, fixP->fx_line, - _(" branch relocation truncate (0x%x) [-2^8 ~ 2^8]"), - (unsigned int) value); - return; - } - content = s7_md_chars_to_number (buf, s7_INSN16_SIZE); - content = (content & 0xff00) | ((value >> 1) & 0xff); - s7_number_to_chars (buf, content, s7_INSN16_SIZE); - break; - } - case BFD_RELOC_8: - if (fixP->fx_done || fixP->fx_pcrel) - s7_number_to_chars (buf, value, 1); -#ifdef OBJ_ELF - else - { - value = fixP->fx_offset; - s7_number_to_chars (buf, value, 1); - } -#endif - break; - - case BFD_RELOC_16: - if (fixP->fx_done || fixP->fx_pcrel) - s7_number_to_chars (buf, value, 2); -#ifdef OBJ_ELF - else - { - value = fixP->fx_offset; - s7_number_to_chars (buf, value, 2); - } -#endif - break; - case BFD_RELOC_RVA: - case BFD_RELOC_32: - if (fixP->fx_done || fixP->fx_pcrel) - s7_number_to_chars (buf, value, 4); -#ifdef OBJ_ELF - else - { - value = fixP->fx_offset; - s7_number_to_chars (buf, value, 4); - } -#endif - break; - case BFD_RELOC_VTABLE_INHERIT: - fixP->fx_done = 0; - if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy)) - S_SET_WEAK (fixP->fx_addsy); - break; - case BFD_RELOC_VTABLE_ENTRY: - fixP->fx_done = 0; - break; - case BFD_RELOC_SCORE_GPREL15: - content = s7_md_chars_to_number (buf, s7_INSN_SIZE); - if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94188000)) - fixP->fx_r_type = BFD_RELOC_NONE; - fixP->fx_done = 0; - break; - case BFD_RELOC_SCORE_GOT15: - case BFD_RELOC_SCORE_DUMMY_HI16: - case BFD_RELOC_SCORE_GOT_LO16: - case BFD_RELOC_SCORE_CALL15: - case BFD_RELOC_GPREL32: - break; - case BFD_RELOC_NONE: - default: - as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type); - } -} - -/* Translate internal representation of relocation info to BFD target format. */ - -static arelent ** -s7_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp) -{ - static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */ - arelent *reloc; - bfd_reloc_code_real_type code; - char *type; - - reloc = retval[0] = xmalloc (sizeof (arelent)); - retval[1] = NULL; - - reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *)); - *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); - reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; - reloc->addend = fixp->fx_offset; - - /* If this is a variant frag, we may need to adjust the existing - reloc and generate a new one. */ - if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15)) - { - /* Update instruction imm bit. */ - offsetT newval; - unsigned short off; - char *buf; - - buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr; - newval = s7_md_chars_to_number (buf, s7_INSN_SIZE); - off = fixp->fx_offset >> 16; - newval |= (off & 0x3fff) << 1; - newval |= ((off >> 14) & 0x3) << 16; - s7_number_to_chars (buf, newval, s7_INSN_SIZE); - - buf += s7_INSN_SIZE; - newval = s7_md_chars_to_number (buf, s7_INSN_SIZE); - off = fixp->fx_offset & 0xffff; - newval |= ((off & 0x3fff) << 1); - newval |= (((off >> 14) & 0x3) << 16); - s7_number_to_chars (buf, newval, s7_INSN_SIZE); - - retval[1] = xmalloc (sizeof (arelent)); - retval[2] = NULL; - retval[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *)); - *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); - retval[1]->address = (reloc->address + s7_RELAX_RELOC2 (fixp->fx_frag->fr_subtype)); - - retval[1]->addend = 0; - retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16); - gas_assert (retval[1]->howto != NULL); - - fixp->fx_r_type = BFD_RELOC_HI16_S; - } - - code = fixp->fx_r_type; - switch (fixp->fx_r_type) - { - case BFD_RELOC_32: - if (fixp->fx_pcrel) - { - code = BFD_RELOC_32_PCREL; - break; - } - case BFD_RELOC_HI16_S: - case BFD_RELOC_LO16: - case BFD_RELOC_SCORE_JMP: - case BFD_RELOC_SCORE_BRANCH: - case BFD_RELOC_SCORE16_JMP: - case BFD_RELOC_SCORE16_BRANCH: - case BFD_RELOC_VTABLE_ENTRY: - case BFD_RELOC_VTABLE_INHERIT: - case BFD_RELOC_SCORE_GPREL15: - case BFD_RELOC_SCORE_GOT15: - case BFD_RELOC_SCORE_DUMMY_HI16: - case BFD_RELOC_SCORE_GOT_LO16: - case BFD_RELOC_SCORE_CALL15: - case BFD_RELOC_GPREL32: - case BFD_RELOC_NONE: - code = fixp->fx_r_type; - break; - default: - type = _("<unknown>"); - as_bad_where (fixp->fx_file, fixp->fx_line, - _("cannot represent %s relocation in this object file format"), type); - return NULL; - } - - reloc->howto = bfd_reloc_type_lookup (stdoutput, code); - if (reloc->howto == NULL) - { - as_bad_where (fixp->fx_file, fixp->fx_line, - _("cannot represent %s relocation in this object file format1"), - bfd_get_reloc_code_name (code)); - return NULL; - } - /* HACK: Since arm ELF uses Rel instead of Rela, encode the - vtable entry to be used in the relocation's section offset. */ - if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) - reloc->address = fixp->fx_offset; - - return retval; -} |