diff options
Diffstat (limited to 'binutils-2.17/gas/config/tc-mn10300.c')
-rw-r--r-- | binutils-2.17/gas/config/tc-mn10300.c | 2826 |
1 files changed, 0 insertions, 2826 deletions
diff --git a/binutils-2.17/gas/config/tc-mn10300.c b/binutils-2.17/gas/config/tc-mn10300.c deleted file mode 100644 index 102c2eac..00000000 --- a/binutils-2.17/gas/config/tc-mn10300.c +++ /dev/null @@ -1,2826 +0,0 @@ -/* tc-mn10300.c -- Assembler code for the Matsushita 10300 - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2006 Free Software Foundation, Inc. - - 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 2, 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, 51 Franklin Street - Fifth Floor, - Boston, MA 02110-1301, USA. */ - -#include <stdio.h> -#include "as.h" -#include "safe-ctype.h" -#include "subsegs.h" -#include "opcode/mn10300.h" -#include "dwarf2dbg.h" - -/* Structure to hold information about predefined registers. */ -struct reg_name -{ - const char *name; - int value; -}; - -/* Generic assembler global variables which must be defined by all - targets. */ - -/* Characters which always start a comment. */ -const char comment_chars[] = "#"; - -/* Characters which start a comment at the beginning of a line. */ -const char line_comment_chars[] = ";#"; - -/* Characters which may be used to separate multiple commands on a - single line. */ -const char line_separator_chars[] = ";"; - -/* Characters which are used to indicate an exponent in a floating - point number. */ -const char EXP_CHARS[] = "eE"; - -/* Characters which mean that a number is a floating point constant, - as in 0d1.0. */ -const char FLT_CHARS[] = "dD"; - -const relax_typeS md_relax_table[] = -{ - /* The plus values for the bCC and fBCC instructions in the table below - are because the branch instruction is translated into a jump - instruction that is now +2 or +3 bytes further on in memory, and the - correct size of jump instruction must be selected. */ - /* bCC relaxing */ - {0x7f, -0x80, 2, 1}, - {0x7fff + 2, -0x8000 + 2, 5, 2}, - {0x7fffffff, -0x80000000, 7, 0}, - - /* bCC relaxing (uncommon cases for 3byte length instructions) */ - {0x7f, -0x80, 3, 4}, - {0x7fff + 3, -0x8000 + 3, 6, 5}, - {0x7fffffff, -0x80000000, 8, 0}, - - /* call relaxing */ - {0x7fff, -0x8000, 5, 7}, - {0x7fffffff, -0x80000000, 7, 0}, - - /* calls relaxing */ - {0x7fff, -0x8000, 4, 9}, - {0x7fffffff, -0x80000000, 6, 0}, - - /* jmp relaxing */ - {0x7f, -0x80, 2, 11}, - {0x7fff, -0x8000, 3, 12}, - {0x7fffffff, -0x80000000, 5, 0}, - - /* fbCC relaxing */ - {0x7f, -0x80, 3, 14}, - {0x7fff + 3, -0x8000 + 3, 6, 15}, - {0x7fffffff, -0x80000000, 8, 0}, - -}; - -/* Local functions. */ -static void mn10300_insert_operand PARAMS ((unsigned long *, unsigned long *, - const struct mn10300_operand *, - offsetT, char *, unsigned, - unsigned)); -static unsigned long check_operand PARAMS ((unsigned long, - const struct mn10300_operand *, - offsetT)); -static int reg_name_search PARAMS ((const struct reg_name *, int, const char *)); -static bfd_boolean data_register_name PARAMS ((expressionS *expressionP)); -static bfd_boolean address_register_name PARAMS ((expressionS *expressionP)); -static bfd_boolean other_register_name PARAMS ((expressionS *expressionP)); -static bfd_boolean r_register_name PARAMS ((expressionS *expressionP)); -static bfd_boolean xr_register_name PARAMS ((expressionS *expressionP)); -static void set_arch_mach PARAMS ((int)); - -/* Set linkrelax here to avoid fixups in most sections. */ -int linkrelax = 1; - -static int current_machine; - -/* Fixups. */ -#define MAX_INSN_FIXUPS (5) -struct mn10300_fixup -{ - expressionS exp; - int opindex; - bfd_reloc_code_real_type reloc; -}; -struct mn10300_fixup fixups[MAX_INSN_FIXUPS]; -static int fc; - -/* We must store the value of each register operand so that we can - verify that certain registers do not match. */ -int mn10300_reg_operands[MN10300_MAX_OPERANDS]; - -const char *md_shortopts = ""; -struct option md_longopts[] = { - {NULL, no_argument, NULL, 0} -}; -size_t md_longopts_size = sizeof (md_longopts); - -/* The target specific pseudo-ops which we support. */ -const pseudo_typeS md_pseudo_table[] = -{ - { "am30", set_arch_mach, AM30 }, - { "am33", set_arch_mach, AM33 }, - { "am33_2", (void (*) PARAMS ((int))) set_arch_mach, AM33_2 }, - { "mn10300", set_arch_mach, MN103 }, - {NULL, 0, 0} -}; - -#define HAVE_AM33_2 (current_machine == AM33_2) -#define HAVE_AM33 (current_machine == AM33 || HAVE_AM33_2) -#define HAVE_AM30 (current_machine == AM30) - -/* Opcode hash table. */ -static struct hash_control *mn10300_hash; - -/* This table is sorted. Suitable for searching by a binary search. */ -static const struct reg_name data_registers[] = -{ - { "d0", 0 }, - { "d1", 1 }, - { "d2", 2 }, - { "d3", 3 }, -}; -#define DATA_REG_NAME_CNT \ - (sizeof (data_registers) / sizeof (struct reg_name)) - -static const struct reg_name address_registers[] = -{ - { "a0", 0 }, - { "a1", 1 }, - { "a2", 2 }, - { "a3", 3 }, -}; - -#define ADDRESS_REG_NAME_CNT \ - (sizeof (address_registers) / sizeof (struct reg_name)) - -static const struct reg_name r_registers[] = -{ - { "a0", 8 }, - { "a1", 9 }, - { "a2", 10 }, - { "a3", 11 }, - { "d0", 12 }, - { "d1", 13 }, - { "d2", 14 }, - { "d3", 15 }, - { "e0", 0 }, - { "e1", 1 }, - { "e10", 10 }, - { "e11", 11 }, - { "e12", 12 }, - { "e13", 13 }, - { "e14", 14 }, - { "e15", 15 }, - { "e2", 2 }, - { "e3", 3 }, - { "e4", 4 }, - { "e5", 5 }, - { "e6", 6 }, - { "e7", 7 }, - { "e8", 8 }, - { "e9", 9 }, - { "r0", 0 }, - { "r1", 1 }, - { "r10", 10 }, - { "r11", 11 }, - { "r12", 12 }, - { "r13", 13 }, - { "r14", 14 }, - { "r15", 15 }, - { "r2", 2 }, - { "r3", 3 }, - { "r4", 4 }, - { "r5", 5 }, - { "r6", 6 }, - { "r7", 7 }, - { "r8", 8 }, - { "r9", 9 }, -}; - -#define R_REG_NAME_CNT \ - (sizeof (r_registers) / sizeof (struct reg_name)) - -static const struct reg_name xr_registers[] = -{ - { "mcrh", 2 }, - { "mcrl", 3 }, - { "mcvf", 4 }, - { "mdrq", 1 }, - { "sp", 0 }, - { "xr0", 0 }, - { "xr1", 1 }, - { "xr10", 10 }, - { "xr11", 11 }, - { "xr12", 12 }, - { "xr13", 13 }, - { "xr14", 14 }, - { "xr15", 15 }, - { "xr2", 2 }, - { "xr3", 3 }, - { "xr4", 4 }, - { "xr5", 5 }, - { "xr6", 6 }, - { "xr7", 7 }, - { "xr8", 8 }, - { "xr9", 9 }, -}; - -#define XR_REG_NAME_CNT \ - (sizeof (xr_registers) / sizeof (struct reg_name)) - -/* We abuse the `value' field, that would be otherwise unused, to - encode the architecture on which (access to) the register was - introduced. FIXME: we should probably warn when we encounter a - register name when assembling for an architecture that doesn't - support it, before parsing it as a symbol name. */ -static const struct reg_name other_registers[] = -{ - { "epsw", AM33 }, - { "mdr", 0 }, - { "pc", AM33 }, - { "psw", 0 }, - { "sp", 0 }, -}; - -#define OTHER_REG_NAME_CNT \ - (sizeof (other_registers) / sizeof (struct reg_name)) - -static const struct reg_name float_registers[] = -{ - { "fs0", 0 }, - { "fs1", 1 }, - { "fs10", 10 }, - { "fs11", 11 }, - { "fs12", 12 }, - { "fs13", 13 }, - { "fs14", 14 }, - { "fs15", 15 }, - { "fs16", 16 }, - { "fs17", 17 }, - { "fs18", 18 }, - { "fs19", 19 }, - { "fs2", 2 }, - { "fs20", 20 }, - { "fs21", 21 }, - { "fs22", 22 }, - { "fs23", 23 }, - { "fs24", 24 }, - { "fs25", 25 }, - { "fs26", 26 }, - { "fs27", 27 }, - { "fs28", 28 }, - { "fs29", 29 }, - { "fs3", 3 }, - { "fs30", 30 }, - { "fs31", 31 }, - { "fs4", 4 }, - { "fs5", 5 }, - { "fs6", 6 }, - { "fs7", 7 }, - { "fs8", 8 }, - { "fs9", 9 }, -}; - -#define FLOAT_REG_NAME_CNT \ - (sizeof (float_registers) / sizeof (struct reg_name)) - -static const struct reg_name double_registers[] = -{ - { "fd0", 0 }, - { "fd10", 10 }, - { "fd12", 12 }, - { "fd14", 14 }, - { "fd16", 16 }, - { "fd18", 18 }, - { "fd2", 2 }, - { "fd20", 20 }, - { "fd22", 22 }, - { "fd24", 24 }, - { "fd26", 26 }, - { "fd28", 28 }, - { "fd30", 30 }, - { "fd4", 4 }, - { "fd6", 6 }, - { "fd8", 8 }, -}; - -#define DOUBLE_REG_NAME_CNT \ - (sizeof (double_registers) / sizeof (struct reg_name)) - - -/* reg_name_search does a binary search of the given register table - to see if "name" is a valid regiter name. Returns the register - number from the array on success, or -1 on failure. */ - -static int -reg_name_search (regs, regcount, name) - const struct reg_name *regs; - int regcount; - const char *name; -{ - int middle, low, high; - int cmp; - - low = 0; - high = regcount - 1; - - do - { - middle = (low + high) / 2; - cmp = strcasecmp (name, regs[middle].name); - if (cmp < 0) - high = middle - 1; - else if (cmp > 0) - low = middle + 1; - else - return regs[middle].value; - } - while (low <= high); - return -1; -} - -/* Summary of register_name(). - * - * in: Input_line_pointer points to 1st char of operand. - * - * out: An expressionS. - * The operand may have been a register: in this case, X_op == O_register, - * X_add_number is set to the register number, and truth is returned. - * Input_line_pointer->(next non-blank) char after operand, or is in - * its original state. - */ - -static bfd_boolean -r_register_name (expressionP) - expressionS *expressionP; -{ - int reg_number; - char *name; - char *start; - char c; - - /* Find the spelling of the operand. */ - start = name = input_line_pointer; - - c = get_symbol_end (); - reg_number = reg_name_search (r_registers, R_REG_NAME_CNT, name); - - /* Put back the delimiting char. */ - *input_line_pointer = c; - - /* Look to see if it's in the register table. */ - if (reg_number >= 0) - { - expressionP->X_op = O_register; - expressionP->X_add_number = reg_number; - - /* Make the rest nice. */ - expressionP->X_add_symbol = NULL; - expressionP->X_op_symbol = NULL; - - return TRUE; - } - - /* Reset the line as if we had not done anything. */ - input_line_pointer = start; - return FALSE; -} - -/* Summary of register_name(). - * - * in: Input_line_pointer points to 1st char of operand. - * - * out: An expressionS. - * The operand may have been a register: in this case, X_op == O_register, - * X_add_number is set to the register number, and truth is returned. - * Input_line_pointer->(next non-blank) char after operand, or is in - * its original state. - */ - -static bfd_boolean -xr_register_name (expressionP) - expressionS *expressionP; -{ - int reg_number; - char *name; - char *start; - char c; - - /* Find the spelling of the operand. */ - start = name = input_line_pointer; - - c = get_symbol_end (); - reg_number = reg_name_search (xr_registers, XR_REG_NAME_CNT, name); - - /* Put back the delimiting char. */ - *input_line_pointer = c; - - /* Look to see if it's in the register table. */ - if (reg_number >= 0) - { - expressionP->X_op = O_register; - expressionP->X_add_number = reg_number; - - /* Make the rest nice. */ - expressionP->X_add_symbol = NULL; - expressionP->X_op_symbol = NULL; - - return TRUE; - } - - /* Reset the line as if we had not done anything. */ - input_line_pointer = start; - return FALSE; -} - -/* Summary of register_name(). - * - * in: Input_line_pointer points to 1st char of operand. - * - * out: An expressionS. - * The operand may have been a register: in this case, X_op == O_register, - * X_add_number is set to the register number, and truth is returned. - * Input_line_pointer->(next non-blank) char after operand, or is in - * its original state. - */ - -static bfd_boolean -data_register_name (expressionP) - expressionS *expressionP; -{ - int reg_number; - char *name; - char *start; - char c; - - /* Find the spelling of the operand. */ - start = name = input_line_pointer; - - c = get_symbol_end (); - reg_number = reg_name_search (data_registers, DATA_REG_NAME_CNT, name); - - /* Put back the delimiting char. */ - *input_line_pointer = c; - - /* Look to see if it's in the register table. */ - if (reg_number >= 0) - { - expressionP->X_op = O_register; - expressionP->X_add_number = reg_number; - - /* Make the rest nice. */ - expressionP->X_add_symbol = NULL; - expressionP->X_op_symbol = NULL; - - return TRUE; - } - - /* Reset the line as if we had not done anything. */ - input_line_pointer = start; - return FALSE; -} - -/* Summary of register_name(). - * - * in: Input_line_pointer points to 1st char of operand. - * - * out: An expressionS. - * The operand may have been a register: in this case, X_op == O_register, - * X_add_number is set to the register number, and truth is returned. - * Input_line_pointer->(next non-blank) char after operand, or is in - * its original state. - */ - -static bfd_boolean -address_register_name (expressionP) - expressionS *expressionP; -{ - int reg_number; - char *name; - char *start; - char c; - - /* Find the spelling of the operand. */ - start = name = input_line_pointer; - - c = get_symbol_end (); - reg_number = reg_name_search (address_registers, ADDRESS_REG_NAME_CNT, name); - - /* Put back the delimiting char. */ - *input_line_pointer = c; - - /* Look to see if it's in the register table. */ - if (reg_number >= 0) - { - expressionP->X_op = O_register; - expressionP->X_add_number = reg_number; - - /* Make the rest nice. */ - expressionP->X_add_symbol = NULL; - expressionP->X_op_symbol = NULL; - - return TRUE; - } - - /* Reset the line as if we had not done anything. */ - input_line_pointer = start; - return FALSE; -} - -/* Summary of register_name(). - * - * in: Input_line_pointer points to 1st char of operand. - * - * out: An expressionS. - * The operand may have been a register: in this case, X_op == O_register, - * X_add_number is set to the register number, and truth is returned. - * Input_line_pointer->(next non-blank) char after operand, or is in - * its original state. - */ - -static bfd_boolean -other_register_name (expressionP) - expressionS *expressionP; -{ - int reg_number; - char *name; - char *start; - char c; - - /* Find the spelling of the operand. */ - start = name = input_line_pointer; - - c = get_symbol_end (); - reg_number = reg_name_search (other_registers, OTHER_REG_NAME_CNT, name); - - /* Put back the delimiting char. */ - *input_line_pointer = c; - - /* Look to see if it's in the register table. */ - if (reg_number == 0 - || (reg_number == AM33 && HAVE_AM33)) - { - expressionP->X_op = O_register; - expressionP->X_add_number = 0; - - /* Make the rest nice. */ - expressionP->X_add_symbol = NULL; - expressionP->X_op_symbol = NULL; - - return TRUE; - } - - /* Reset the line as if we had not done anything. */ - input_line_pointer = start; - return FALSE; -} - -static bfd_boolean double_register_name PARAMS ((expressionS *)); -static bfd_boolean float_register_name PARAMS ((expressionS *)); - -/* Summary of float_register_name: - - in: Input_line_pointer points to 1st char of operand. - - out: A expressionS. - The operand may have been a register: in this case, X_op == O_register, - X_add_number is set to the register number, and truth is returned. - Input_line_pointer->(next non-blank) char after operand, or is in - its original state. */ - -static bfd_boolean -float_register_name (expressionP) - expressionS *expressionP; -{ - int reg_number; - char *name; - char *start; - char c; - - /* Find the spelling of the operand. */ - start = name = input_line_pointer; - - c = get_symbol_end (); - reg_number = reg_name_search (float_registers, FLOAT_REG_NAME_CNT, name); - - /* Put back the delimiting char. */ - * input_line_pointer = c; - - /* Look to see if it's in the register table. */ - if (reg_number >= 0) - { - expressionP->X_op = O_register; - expressionP->X_add_number = reg_number; - - /* Make the rest nice. */ - expressionP->X_add_symbol = NULL; - expressionP->X_op_symbol = NULL; - - return TRUE; - } - - /* Reset the line as if we had not done anything. */ - input_line_pointer = start; - return FALSE; -} - -/* Summary of double_register_name: - - in: Input_line_pointer points to 1st char of operand. - - out: A expressionS. - The operand may have been a register: in this case, X_op == O_register, - X_add_number is set to the register number, and truth is returned. - Input_line_pointer->(next non-blank) char after operand, or is in - its original state. */ - -static bfd_boolean -double_register_name (expressionP) - expressionS *expressionP; -{ - int reg_number; - char *name; - char *start; - char c; - - /* Find the spelling of the operand. */ - start = name = input_line_pointer; - - c = get_symbol_end (); - reg_number = reg_name_search (double_registers, DOUBLE_REG_NAME_CNT, name); - - /* Put back the delimiting char. */ - * input_line_pointer = c; - - /* Look to see if it's in the register table. */ - if (reg_number >= 0) - { - expressionP->X_op = O_register; - expressionP->X_add_number = reg_number; - - /* Make the rest nice. */ - expressionP->X_add_symbol = NULL; - expressionP->X_op_symbol = NULL; - - return TRUE; - } - - /* Reset the line as if we had not done anything. */ - input_line_pointer = start; - return FALSE; -} - -void -md_show_usage (stream) - FILE *stream; -{ - fprintf (stream, _("MN10300 options:\n\ -none yet\n")); -} - -int -md_parse_option (c, arg) - int c ATTRIBUTE_UNUSED; - char *arg ATTRIBUTE_UNUSED; -{ - return 0; -} - -symbolS * -md_undefined_symbol (name) - char *name ATTRIBUTE_UNUSED; -{ - return 0; -} - -char * -md_atof (type, litp, sizep) - int type; - char *litp; - int *sizep; -{ - int prec; - LITTLENUM_TYPE words[4]; - char *t; - int i; - - switch (type) - { - case 'f': - prec = 2; - break; - - case 'd': - prec = 4; - 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; - - for (i = prec - 1; i >= 0; i--) - { - md_number_to_chars (litp, (valueT) words[i], 2); - litp += 2; - } - - return NULL; -} - -void -md_convert_frag (abfd, sec, fragP) - bfd *abfd ATTRIBUTE_UNUSED; - asection *sec; - fragS *fragP; -{ - static unsigned long label_count = 0; - char buf[40]; - - subseg_change (sec, 0); - if (fragP->fr_subtype == 0) - { - fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 2; - } - else if (fragP->fr_subtype == 1) - { - /* Reverse the condition of the first branch. */ - int offset = fragP->fr_fix; - int opcode = fragP->fr_literal[offset] & 0xff; - - switch (opcode) - { - case 0xc8: - opcode = 0xc9; - break; - case 0xc9: - opcode = 0xc8; - break; - case 0xc0: - opcode = 0xc2; - break; - case 0xc2: - opcode = 0xc0; - break; - case 0xc3: - opcode = 0xc1; - break; - case 0xc1: - opcode = 0xc3; - break; - case 0xc4: - opcode = 0xc6; - break; - case 0xc6: - opcode = 0xc4; - break; - case 0xc7: - opcode = 0xc5; - break; - case 0xc5: - opcode = 0xc7; - break; - default: - abort (); - } - fragP->fr_literal[offset] = opcode; - - /* Create a fixup for the reversed conditional branch. */ - sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); - fix_new (fragP, fragP->fr_fix + 1, 1, - symbol_new (buf, sec, 0, fragP->fr_next), - fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); - - /* Now create the unconditional branch + fixup to the - final target. */ - fragP->fr_literal[offset + 2] = 0xcc; - fix_new (fragP, fragP->fr_fix + 3, 2, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 5; - } - else if (fragP->fr_subtype == 2) - { - /* Reverse the condition of the first branch. */ - int offset = fragP->fr_fix; - int opcode = fragP->fr_literal[offset] & 0xff; - - switch (opcode) - { - case 0xc8: - opcode = 0xc9; - break; - case 0xc9: - opcode = 0xc8; - break; - case 0xc0: - opcode = 0xc2; - break; - case 0xc2: - opcode = 0xc0; - break; - case 0xc3: - opcode = 0xc1; - break; - case 0xc1: - opcode = 0xc3; - break; - case 0xc4: - opcode = 0xc6; - break; - case 0xc6: - opcode = 0xc4; - break; - case 0xc7: - opcode = 0xc5; - break; - case 0xc5: - opcode = 0xc7; - break; - default: - abort (); - } - fragP->fr_literal[offset] = opcode; - - /* Create a fixup for the reversed conditional branch. */ - sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); - fix_new (fragP, fragP->fr_fix + 1, 1, - symbol_new (buf, sec, 0, fragP->fr_next), - fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); - - /* Now create the unconditional branch + fixup to the - final target. */ - fragP->fr_literal[offset + 2] = 0xdc; - fix_new (fragP, fragP->fr_fix + 3, 4, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 7; - } - else if (fragP->fr_subtype == 3) - { - fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol, - fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 3; - } - else if (fragP->fr_subtype == 4) - { - /* Reverse the condition of the first branch. */ - int offset = fragP->fr_fix; - int opcode = fragP->fr_literal[offset + 1] & 0xff; - - switch (opcode) - { - case 0xe8: - opcode = 0xe9; - break; - case 0xe9: - opcode = 0xe8; - break; - case 0xea: - opcode = 0xeb; - break; - case 0xeb: - opcode = 0xea; - break; - default: - abort (); - } - fragP->fr_literal[offset + 1] = opcode; - - /* Create a fixup for the reversed conditional branch. */ - sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); - fix_new (fragP, fragP->fr_fix + 2, 1, - symbol_new (buf, sec, 0, fragP->fr_next), - fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); - - /* Now create the unconditional branch + fixup to the - final target. */ - fragP->fr_literal[offset + 3] = 0xcc; - fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 6; - } - else if (fragP->fr_subtype == 5) - { - /* Reverse the condition of the first branch. */ - int offset = fragP->fr_fix; - int opcode = fragP->fr_literal[offset + 1] & 0xff; - - switch (opcode) - { - case 0xe8: - opcode = 0xe9; - break; - case 0xea: - opcode = 0xeb; - break; - case 0xeb: - opcode = 0xea; - break; - default: - abort (); - } - fragP->fr_literal[offset + 1] = opcode; - - /* Create a fixup for the reversed conditional branch. */ - sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); - fix_new (fragP, fragP->fr_fix + 2, 1, - symbol_new (buf, sec, 0, fragP->fr_next), - fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); - - /* Now create the unconditional branch + fixup to the - final target. */ - fragP->fr_literal[offset + 3] = 0xdc; - fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 8; - } - else if (fragP->fr_subtype == 6) - { - int offset = fragP->fr_fix; - fragP->fr_literal[offset] = 0xcd; - fix_new (fragP, fragP->fr_fix + 1, 2, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 5; - } - else if (fragP->fr_subtype == 7) - { - int offset = fragP->fr_fix; - fragP->fr_literal[offset] = 0xdd; - fragP->fr_literal[offset + 5] = fragP->fr_literal[offset + 3]; - fragP->fr_literal[offset + 6] = fragP->fr_literal[offset + 4]; - - fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 7; - } - else if (fragP->fr_subtype == 8) - { - int offset = fragP->fr_fix; - fragP->fr_literal[offset] = 0xfa; - fragP->fr_literal[offset + 1] = 0xff; - fix_new (fragP, fragP->fr_fix + 2, 2, fragP->fr_symbol, - fragP->fr_offset + 2, 1, BFD_RELOC_16_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 4; - } - else if (fragP->fr_subtype == 9) - { - int offset = fragP->fr_fix; - fragP->fr_literal[offset] = 0xfc; - fragP->fr_literal[offset + 1] = 0xff; - - fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol, - fragP->fr_offset + 2, 1, BFD_RELOC_32_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 6; - } - else if (fragP->fr_subtype == 10) - { - fragP->fr_literal[fragP->fr_fix] = 0xca; - fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 2; - } - else if (fragP->fr_subtype == 11) - { - int offset = fragP->fr_fix; - fragP->fr_literal[offset] = 0xcc; - - fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 3; - } - else if (fragP->fr_subtype == 12) - { - int offset = fragP->fr_fix; - fragP->fr_literal[offset] = 0xdc; - - fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 5; - } - else if (fragP->fr_subtype == 13) - { - fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol, - fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 3; - } - else if (fragP->fr_subtype == 14) - { - /* Reverse the condition of the first branch. */ - int offset = fragP->fr_fix; - int opcode = fragP->fr_literal[offset + 1] & 0xff; - - switch (opcode) - { - case 0xd0: - opcode = 0xd1; - break; - case 0xd1: - opcode = 0xd0; - break; - case 0xd2: - opcode = 0xdc; - break; - case 0xd3: - opcode = 0xdb; - break; - case 0xd4: - opcode = 0xda; - break; - case 0xd5: - opcode = 0xd9; - break; - case 0xd6: - opcode = 0xd8; - break; - case 0xd7: - opcode = 0xdd; - break; - case 0xd8: - opcode = 0xd6; - break; - case 0xd9: - opcode = 0xd5; - break; - case 0xda: - opcode = 0xd4; - break; - case 0xdb: - opcode = 0xd3; - break; - case 0xdc: - opcode = 0xd2; - break; - case 0xdd: - opcode = 0xd7; - break; - default: - abort (); - } - fragP->fr_literal[offset + 1] = opcode; - - /* Create a fixup for the reversed conditional branch. */ - sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); - fix_new (fragP, fragP->fr_fix + 2, 1, - symbol_new (buf, sec, 0, fragP->fr_next), - fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); - - /* Now create the unconditional branch + fixup to the - final target. */ - fragP->fr_literal[offset + 3] = 0xcc; - fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 6; - } - else if (fragP->fr_subtype == 15) - { - /* Reverse the condition of the first branch. */ - int offset = fragP->fr_fix; - int opcode = fragP->fr_literal[offset + 1] & 0xff; - - switch (opcode) - { - case 0xd0: - opcode = 0xd1; - break; - case 0xd1: - opcode = 0xd0; - break; - case 0xd2: - opcode = 0xdc; - break; - case 0xd3: - opcode = 0xdb; - break; - case 0xd4: - opcode = 0xda; - break; - case 0xd5: - opcode = 0xd9; - break; - case 0xd6: - opcode = 0xd8; - break; - case 0xd7: - opcode = 0xdd; - break; - case 0xd8: - opcode = 0xd6; - break; - case 0xd9: - opcode = 0xd5; - break; - case 0xda: - opcode = 0xd4; - break; - case 0xdb: - opcode = 0xd3; - break; - case 0xdc: - opcode = 0xd2; - break; - case 0xdd: - opcode = 0xd7; - break; - default: - abort (); - } - fragP->fr_literal[offset + 1] = opcode; - - /* Create a fixup for the reversed conditional branch. */ - sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); - fix_new (fragP, fragP->fr_fix + 2, 1, - symbol_new (buf, sec, 0, fragP->fr_next), - fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); - - /* Now create the unconditional branch + fixup to the - final target. */ - fragP->fr_literal[offset + 3] = 0xdc; - fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol, - fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); - fragP->fr_var = 0; - fragP->fr_fix += 8; - } - else - abort (); -} - -valueT -md_section_align (seg, addr) - asection *seg; - valueT addr; -{ - int align = bfd_get_section_alignment (stdoutput, seg); - return ((addr + (1 << align) - 1) & (-1 << align)); -} - -void -md_begin () -{ - char *prev_name = ""; - register const struct mn10300_opcode *op; - - mn10300_hash = hash_new (); - - /* Insert unique names into hash table. The MN10300 instruction set - has many identical opcode names that have different opcodes based - on the operands. This hash table then provides a quick index to - the first opcode with a particular name in the opcode table. */ - - op = mn10300_opcodes; - while (op->name) - { - if (strcmp (prev_name, op->name)) - { - prev_name = (char *) op->name; - hash_insert (mn10300_hash, op->name, (char *) op); - } - op++; - } - - /* Set the default machine type. */ -#ifdef TE_LINUX - if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, AM33_2)) - as_warn (_("could not set architecture and machine")); - - current_machine = AM33_2; -#else - if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, MN103)) - as_warn (_("could not set architecture and machine")); - - current_machine = MN103; -#endif -} - -static symbolS *GOT_symbol; - -static inline int mn10300_check_fixup PARAMS ((struct mn10300_fixup *)); -static inline int mn10300_PIC_related_p PARAMS ((symbolS *)); - -static inline int -mn10300_PIC_related_p (sym) - symbolS *sym; -{ - expressionS *exp; - - if (! sym) - return 0; - - if (sym == GOT_symbol) - return 1; - - exp = symbol_get_value_expression (sym); - - return (exp->X_op == O_PIC_reloc - || mn10300_PIC_related_p (exp->X_add_symbol) - || mn10300_PIC_related_p (exp->X_op_symbol)); -} - -static inline int -mn10300_check_fixup (fixup) - struct mn10300_fixup *fixup; -{ - expressionS *exp = &fixup->exp; - - repeat: - switch (exp->X_op) - { - case O_add: - case O_subtract: /* If we're sufficiently unlucky that the label - and the expression that references it happen - to end up in different frags, the subtract - won't be simplified within expression(). */ - /* The PIC-related operand must be the first operand of a sum. */ - if (exp != &fixup->exp || mn10300_PIC_related_p (exp->X_op_symbol)) - return 1; - - if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol) - fixup->reloc = BFD_RELOC_32_GOT_PCREL; - - exp = symbol_get_value_expression (exp->X_add_symbol); - goto repeat; - - case O_symbol: - if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol) - fixup->reloc = BFD_RELOC_32_GOT_PCREL; - break; - - case O_PIC_reloc: - fixup->reloc = exp->X_md; - exp->X_op = O_symbol; - if (fixup->reloc == BFD_RELOC_32_PLT_PCREL - && fixup->opindex >= 0 - && (mn10300_operands[fixup->opindex].flags - & MN10300_OPERAND_RELAX)) - return 1; - break; - - default: - return (mn10300_PIC_related_p (exp->X_add_symbol) - || mn10300_PIC_related_p (exp->X_op_symbol)); - } - - return 0; -} - -void -mn10300_cons_fix_new (frag, off, size, exp) - fragS *frag; - int off, size; - expressionS *exp; -{ - struct mn10300_fixup fixup; - - fixup.opindex = -1; - fixup.exp = *exp; - fixup.reloc = BFD_RELOC_UNUSED; - - mn10300_check_fixup (&fixup); - - if (fixup.reloc == BFD_RELOC_MN10300_GOT32) - switch (size) - { - case 2: - fixup.reloc = BFD_RELOC_MN10300_GOT16; - break; - - case 3: - fixup.reloc = BFD_RELOC_MN10300_GOT24; - break; - - case 4: - break; - - default: - goto error; - } - else if (fixup.reloc == BFD_RELOC_UNUSED) - switch (size) - { - case 1: - fixup.reloc = BFD_RELOC_8; - break; - - case 2: - fixup.reloc = BFD_RELOC_16; - break; - - case 3: - fixup.reloc = BFD_RELOC_24; - break; - - case 4: - fixup.reloc = BFD_RELOC_32; - break; - - default: - goto error; - } - else if (size != 4) - { - error: - as_bad (_("unsupported BFD relocation size %u"), size); - fixup.reloc = BFD_RELOC_UNUSED; - } - - fix_new_exp (frag, off, size, &fixup.exp, 0, fixup.reloc); -} - -void -md_assemble (str) - char *str; -{ - char *s; - struct mn10300_opcode *opcode; - struct mn10300_opcode *next_opcode; - const unsigned char *opindex_ptr; - int next_opindex, relaxable; - unsigned long insn, extension, size = 0; - char *f; - int i; - int match; - - /* Get the opcode. */ - for (s = str; *s != '\0' && !ISSPACE (*s); s++) - ; - if (*s != '\0') - *s++ = '\0'; - - /* Find the first opcode with the proper name. */ - opcode = (struct mn10300_opcode *) hash_find (mn10300_hash, str); - if (opcode == NULL) - { - as_bad (_("Unrecognized opcode: `%s'"), str); - return; - } - - str = s; - while (ISSPACE (*str)) - ++str; - - input_line_pointer = str; - - for (;;) - { - const char *errmsg; - int op_idx; - char *hold; - int extra_shift = 0; - - errmsg = _("Invalid opcode/operands"); - - /* Reset the array of register operands. */ - memset (mn10300_reg_operands, -1, sizeof (mn10300_reg_operands)); - - relaxable = 0; - fc = 0; - match = 0; - next_opindex = 0; - insn = opcode->opcode; - extension = 0; - - /* If the instruction is not available on the current machine - then it can not possibly match. */ - if (opcode->machine - && !(opcode->machine == AM33_2 && HAVE_AM33_2) - && !(opcode->machine == AM33 && HAVE_AM33) - && !(opcode->machine == AM30 && HAVE_AM30)) - goto error; - - for (op_idx = 1, opindex_ptr = opcode->operands; - *opindex_ptr != 0; - opindex_ptr++, op_idx++) - { - const struct mn10300_operand *operand; - expressionS ex; - - if (next_opindex == 0) - { - operand = &mn10300_operands[*opindex_ptr]; - } - else - { - operand = &mn10300_operands[next_opindex]; - next_opindex = 0; - } - - while (*str == ' ' || *str == ',') - ++str; - - if (operand->flags & MN10300_OPERAND_RELAX) - relaxable = 1; - - /* Gather the operand. */ - hold = input_line_pointer; - input_line_pointer = str; - - if (operand->flags & MN10300_OPERAND_PAREN) - { - if (*input_line_pointer != ')' && *input_line_pointer != '(') - { - input_line_pointer = hold; - str = hold; - goto error; - } - input_line_pointer++; - goto keep_going; - } - /* See if we can match the operands. */ - else if (operand->flags & MN10300_OPERAND_DREG) - { - if (!data_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - } - else if (operand->flags & MN10300_OPERAND_AREG) - { - if (!address_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - } - else if (operand->flags & MN10300_OPERAND_SP) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "sp") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_RREG) - { - if (!r_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - } - else if (operand->flags & MN10300_OPERAND_XRREG) - { - if (!xr_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - } - else if (operand->flags & MN10300_OPERAND_FSREG) - { - if (!float_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - } - else if (operand->flags & MN10300_OPERAND_FDREG) - { - if (!double_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - } - else if (operand->flags & MN10300_OPERAND_FPCR) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "fpcr") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_USP) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "usp") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_SSP) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "ssp") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_MSP) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "msp") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_PC) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "pc") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_EPSW) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "epsw") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_PLUS) - { - if (*input_line_pointer != '+') - { - input_line_pointer = hold; - str = hold; - goto error; - } - input_line_pointer++; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_PSW) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "psw") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_MDR) - { - char *start = input_line_pointer; - char c = get_symbol_end (); - - if (strcasecmp (start, "mdr") != 0) - { - *input_line_pointer = c; - input_line_pointer = hold; - str = hold; - goto error; - } - *input_line_pointer = c; - goto keep_going; - } - else if (operand->flags & MN10300_OPERAND_REG_LIST) - { - unsigned int value = 0; - if (*input_line_pointer != '[') - { - input_line_pointer = hold; - str = hold; - goto error; - } - - /* Eat the '['. */ - input_line_pointer++; - - /* We used to reject a null register list here; however, - we accept it now so the compiler can emit "call" - instructions for all calls to named functions. - - The linker can then fill in the appropriate bits for the - register list and stack size or change the instruction - into a "calls" if using "call" is not profitable. */ - while (*input_line_pointer != ']') - { - char *start; - char c; - - if (*input_line_pointer == ',') - input_line_pointer++; - - start = input_line_pointer; - c = get_symbol_end (); - - if (strcasecmp (start, "d2") == 0) - { - value |= 0x80; - *input_line_pointer = c; - } - else if (strcasecmp (start, "d3") == 0) - { - value |= 0x40; - *input_line_pointer = c; - } - else if (strcasecmp (start, "a2") == 0) - { - value |= 0x20; - *input_line_pointer = c; - } - else if (strcasecmp (start, "a3") == 0) - { - value |= 0x10; - *input_line_pointer = c; - } - else if (strcasecmp (start, "other") == 0) - { - value |= 0x08; - *input_line_pointer = c; - } - else if (HAVE_AM33 - && strcasecmp (start, "exreg0") == 0) - { - value |= 0x04; - *input_line_pointer = c; - } - else if (HAVE_AM33 - && strcasecmp (start, "exreg1") == 0) - { - value |= 0x02; - *input_line_pointer = c; - } - else if (HAVE_AM33 - && strcasecmp (start, "exother") == 0) - { - value |= 0x01; - *input_line_pointer = c; - } - else if (HAVE_AM33 - && strcasecmp (start, "all") == 0) - { - value |= 0xff; - *input_line_pointer = c; - } - else - { - input_line_pointer = hold; - str = hold; - goto error; - } - } - input_line_pointer++; - mn10300_insert_operand (&insn, &extension, operand, - value, (char *) NULL, 0, 0); - goto keep_going; - - } - else if (data_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - else if (address_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - else if (other_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - else if (HAVE_AM33 && r_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - else if (HAVE_AM33 && xr_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - else if (HAVE_AM33_2 && float_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - else if (HAVE_AM33_2 && double_register_name (&ex)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - else if (*str == ')' || *str == '(') - { - input_line_pointer = hold; - str = hold; - goto error; - } - else - { - expression (&ex); - } - - switch (ex.X_op) - { - case O_illegal: - errmsg = _("illegal operand"); - goto error; - case O_absent: - errmsg = _("missing operand"); - goto error; - case O_register: - { - int mask; - - mask = MN10300_OPERAND_DREG | MN10300_OPERAND_AREG; - if (HAVE_AM33) - mask |= MN10300_OPERAND_RREG | MN10300_OPERAND_XRREG; - if (HAVE_AM33_2) - mask |= MN10300_OPERAND_FSREG | MN10300_OPERAND_FDREG; - if ((operand->flags & mask) == 0) - { - input_line_pointer = hold; - str = hold; - goto error; - } - - if (opcode->format == FMT_D1 || opcode->format == FMT_S1) - extra_shift = 8; - else if (opcode->format == FMT_D2 - || opcode->format == FMT_D4 - || opcode->format == FMT_S2 - || opcode->format == FMT_S4 - || opcode->format == FMT_S6 - || opcode->format == FMT_D5) - extra_shift = 16; - else if (opcode->format == FMT_D7) - extra_shift = 8; - else if (opcode->format == FMT_D8 || opcode->format == FMT_D9) - extra_shift = 8; - else - extra_shift = 0; - - mn10300_insert_operand (&insn, &extension, operand, - ex.X_add_number, (char *) NULL, - 0, extra_shift); - - /* And note the register number in the register array. */ - mn10300_reg_operands[op_idx - 1] = ex.X_add_number; - break; - } - - case O_constant: - /* If this operand can be promoted, and it doesn't - fit into the allocated bitfield for this insn, - then promote it (ie this opcode does not match). */ - if (operand->flags - & (MN10300_OPERAND_PROMOTE | MN10300_OPERAND_RELAX) - && !check_operand (insn, operand, ex.X_add_number)) - { - input_line_pointer = hold; - str = hold; - goto error; - } - - mn10300_insert_operand (&insn, &extension, operand, - ex.X_add_number, (char *) NULL, - 0, 0); - break; - - default: - /* If this operand can be promoted, then this opcode didn't - match since we can't know if it needed promotion! */ - if (operand->flags & MN10300_OPERAND_PROMOTE) - { - input_line_pointer = hold; - str = hold; - goto error; - } - - /* We need to generate a fixup for this expression. */ - if (fc >= MAX_INSN_FIXUPS) - as_fatal (_("too many fixups")); - fixups[fc].exp = ex; - fixups[fc].opindex = *opindex_ptr; - fixups[fc].reloc = BFD_RELOC_UNUSED; - if (mn10300_check_fixup (& fixups[fc])) - goto error; - ++fc; - break; - } - -keep_going: - str = input_line_pointer; - input_line_pointer = hold; - - while (*str == ' ' || *str == ',') - ++str; - - } - - /* Make sure we used all the operands! */ - if (*str != ',') - match = 1; - - /* If this instruction has registers that must not match, verify - that they do indeed not match. */ - if (opcode->no_match_operands) - { - int i; - - /* Look at each operand to see if it's marked. */ - for (i = 0; i < MN10300_MAX_OPERANDS; i++) - { - if ((1 << i) & opcode->no_match_operands) - { - int j; - - /* operand I is marked. Check that it does not match any - operands > I which are marked. */ - for (j = i + 1; j < MN10300_MAX_OPERANDS; j++) - { - if (((1 << j) & opcode->no_match_operands) - && mn10300_reg_operands[i] == mn10300_reg_operands[j]) - { - errmsg = _("Invalid register specification."); - match = 0; - goto error; - } - } - } - } - } - - error: - if (match == 0) - { - next_opcode = opcode + 1; - if (!strcmp (next_opcode->name, opcode->name)) - { - opcode = next_opcode; - continue; - } - - as_bad ("%s", errmsg); - return; - } - break; - } - - while (ISSPACE (*str)) - ++str; - - if (*str != '\0') - as_bad (_("junk at end of line: `%s'"), str); - - input_line_pointer = str; - - /* Determine the size of the instruction. */ - if (opcode->format == FMT_S0) - size = 1; - - if (opcode->format == FMT_S1 || opcode->format == FMT_D0) - size = 2; - - if (opcode->format == FMT_S2 || opcode->format == FMT_D1) - size = 3; - - if (opcode->format == FMT_D6) - size = 3; - - if (opcode->format == FMT_D7 || opcode->format == FMT_D10) - size = 4; - - if (opcode->format == FMT_D8) - size = 6; - - if (opcode->format == FMT_D9) - size = 7; - - if (opcode->format == FMT_S4) - size = 5; - - if (opcode->format == FMT_S6 || opcode->format == FMT_D5) - size = 7; - - if (opcode->format == FMT_D2) - size = 4; - - if (opcode->format == FMT_D3) - size = 5; - - if (opcode->format == FMT_D4) - size = 6; - - if (relaxable && fc > 0) - { - /* On a 64-bit host the size of an 'int' is not the same - as the size of a pointer, so we need a union to convert - the opindex field of the fr_cgen structure into a char * - so that it can be stored in the frag. We do not have - to worry about loosing accuracy as we are not going to - be even close to the 32bit limit of the int. */ - union - { - int opindex; - char * ptr; - } - opindex_converter; - int type; - - /* We want to anchor the line info to the previous frag (if - there isn't one, create it), so that, when the insn is - resized, we still get the right address for the beginning of - the region. */ - f = frag_more (0); - dwarf2_emit_insn (0); - - /* bCC */ - if (size == 2) - { - /* Handle bra specially. Basically treat it like jmp so - that we automatically handle 8, 16 and 32 bit offsets - correctly as well as jumps to an undefined address. - - It is also important to not treat it like other bCC - instructions since the long forms of bra is different - from other bCC instructions. */ - if (opcode->opcode == 0xca00) - type = 10; - else - type = 0; - } - /* call */ - else if (size == 5) - type = 6; - /* calls */ - else if (size == 4) - type = 8; - /* jmp */ - else if (size == 3 && opcode->opcode == 0xcc0000) - type = 10; - else if (size == 3 && (opcode->opcode & 0xfff000) == 0xf8d000) - type = 13; - /* bCC (uncommon cases) */ - else - type = 3; - - opindex_converter.opindex = fixups[0].opindex; - f = frag_var (rs_machine_dependent, 8, 8 - size, type, - fixups[0].exp.X_add_symbol, - fixups[0].exp.X_add_number, - opindex_converter.ptr); - - /* This is pretty hokey. We basically just care about the - opcode, so we have to write out the first word big endian. - - The exception is "call", which has two operands that we - care about. - - The first operand (the register list) happens to be in the - first instruction word, and will be in the right place if - we output the first word in big endian mode. - - The second operand (stack size) is in the extension word, - and we want it to appear as the first character in the extension - word (as it appears in memory). Luckily, writing the extension - word in big endian format will do what we want. */ - number_to_chars_bigendian (f, insn, size > 4 ? 4 : size); - if (size > 8) - { - number_to_chars_bigendian (f + 4, extension, 4); - number_to_chars_bigendian (f + 8, 0, size - 8); - } - else if (size > 4) - number_to_chars_bigendian (f + 4, extension, size - 4); - } - else - { - /* Allocate space for the instruction. */ - f = frag_more (size); - - /* Fill in bytes for the instruction. Note that opcode fields - are written big-endian, 16 & 32bit immediates are written - little endian. Egad. */ - if (opcode->format == FMT_S0 - || opcode->format == FMT_S1 - || opcode->format == FMT_D0 - || opcode->format == FMT_D6 - || opcode->format == FMT_D7 - || opcode->format == FMT_D10 - || opcode->format == FMT_D1) - { - number_to_chars_bigendian (f, insn, size); - } - else if (opcode->format == FMT_S2 - && opcode->opcode != 0xdf0000 - && opcode->opcode != 0xde0000) - { - /* A format S2 instruction that is _not_ "ret" and "retf". */ - number_to_chars_bigendian (f, (insn >> 16) & 0xff, 1); - number_to_chars_littleendian (f + 1, insn & 0xffff, 2); - } - else if (opcode->format == FMT_S2) - { - /* This must be a ret or retf, which is written entirely in - big-endian format. */ - number_to_chars_bigendian (f, insn, 3); - } - else if (opcode->format == FMT_S4 - && opcode->opcode != 0xdc000000) - { - /* This must be a format S4 "call" instruction. What a pain. */ - unsigned long temp = (insn >> 8) & 0xffff; - number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); - number_to_chars_littleendian (f + 1, temp, 2); - number_to_chars_bigendian (f + 3, insn & 0xff, 1); - number_to_chars_bigendian (f + 4, extension & 0xff, 1); - } - else if (opcode->format == FMT_S4) - { - /* This must be a format S4 "jmp" instruction. */ - unsigned long temp = ((insn & 0xffffff) << 8) | (extension & 0xff); - number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); - number_to_chars_littleendian (f + 1, temp, 4); - } - else if (opcode->format == FMT_S6) - { - unsigned long temp = ((insn & 0xffffff) << 8) - | ((extension >> 16) & 0xff); - number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); - number_to_chars_littleendian (f + 1, temp, 4); - number_to_chars_bigendian (f + 5, (extension >> 8) & 0xff, 1); - number_to_chars_bigendian (f + 6, extension & 0xff, 1); - } - else if (opcode->format == FMT_D2 - && opcode->opcode != 0xfaf80000 - && opcode->opcode != 0xfaf00000 - && opcode->opcode != 0xfaf40000) - { - /* A format D2 instruction where the 16bit immediate is - really a single 16bit value, not two 8bit values. */ - number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); - number_to_chars_littleendian (f + 2, insn & 0xffff, 2); - } - else if (opcode->format == FMT_D2) - { - /* A format D2 instruction where the 16bit immediate - is really two 8bit immediates. */ - number_to_chars_bigendian (f, insn, 4); - } - else if (opcode->format == FMT_D3) - { - number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); - number_to_chars_littleendian (f + 2, insn & 0xffff, 2); - number_to_chars_bigendian (f + 4, extension & 0xff, 1); - } - else if (opcode->format == FMT_D4) - { - unsigned long temp = ((insn & 0xffff) << 16) | (extension & 0xffff); - - number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); - number_to_chars_littleendian (f + 2, temp, 4); - } - else if (opcode->format == FMT_D5) - { - unsigned long temp = (((insn & 0xffff) << 16) - | ((extension >> 8) & 0xffff)); - - number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); - number_to_chars_littleendian (f + 2, temp, 4); - number_to_chars_bigendian (f + 6, extension & 0xff, 1); - } - else if (opcode->format == FMT_D8) - { - unsigned long temp = ((insn & 0xff) << 16) | (extension & 0xffff); - - number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3); - number_to_chars_bigendian (f + 3, (temp & 0xff), 1); - number_to_chars_littleendian (f + 4, temp >> 8, 2); - } - else if (opcode->format == FMT_D9) - { - unsigned long temp = ((insn & 0xff) << 24) | (extension & 0xffffff); - - number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3); - number_to_chars_littleendian (f + 3, temp, 4); - } - - /* Create any fixups. */ - for (i = 0; i < fc; i++) - { - const struct mn10300_operand *operand; - - operand = &mn10300_operands[fixups[i].opindex]; - if (fixups[i].reloc != BFD_RELOC_UNUSED - && fixups[i].reloc != BFD_RELOC_32_GOT_PCREL - && fixups[i].reloc != BFD_RELOC_32_GOTOFF - && fixups[i].reloc != BFD_RELOC_32_PLT_PCREL - && fixups[i].reloc != BFD_RELOC_MN10300_GOT32) - { - reloc_howto_type *reloc_howto; - int size; - int offset; - fixS *fixP; - - reloc_howto = bfd_reloc_type_lookup (stdoutput, - fixups[i].reloc); - - if (!reloc_howto) - abort (); - - size = bfd_get_reloc_size (reloc_howto); - - if (size < 1 || size > 4) - abort (); - - offset = 4 - size; - fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, - size, &fixups[i].exp, - reloc_howto->pc_relative, - fixups[i].reloc); - } - else - { - int reloc, pcrel, reloc_size, offset; - fixS *fixP; - - reloc = BFD_RELOC_NONE; - if (fixups[i].reloc != BFD_RELOC_UNUSED) - reloc = fixups[i].reloc; - /* How big is the reloc? Remember SPLIT relocs are - implicitly 32bits. */ - if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) - reloc_size = 32; - else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) - reloc_size = 24; - else - reloc_size = operand->bits; - - /* Is the reloc pc-relative? */ - pcrel = (operand->flags & MN10300_OPERAND_PCREL) != 0; - if (reloc != BFD_RELOC_NONE) - pcrel = bfd_reloc_type_lookup (stdoutput, reloc)->pc_relative; - - offset = size - (reloc_size + operand->shift) / 8; - - /* Choose a proper BFD relocation type. */ - if (reloc != BFD_RELOC_NONE) - ; - else if (pcrel) - { - if (reloc_size == 32) - reloc = BFD_RELOC_32_PCREL; - else if (reloc_size == 16) - reloc = BFD_RELOC_16_PCREL; - else if (reloc_size == 8) - reloc = BFD_RELOC_8_PCREL; - else - abort (); - } - else - { - if (reloc_size == 32) - reloc = BFD_RELOC_32; - else if (reloc_size == 16) - reloc = BFD_RELOC_16; - else if (reloc_size == 8) - reloc = BFD_RELOC_8; - else - abort (); - } - - /* Convert the size of the reloc into what fix_new_exp wants. */ - reloc_size = reloc_size / 8; - if (reloc_size == 8) - reloc_size = 0; - else if (reloc_size == 16) - reloc_size = 1; - else if (reloc_size == 32) - reloc_size = 2; - - fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, - reloc_size, &fixups[i].exp, pcrel, - ((bfd_reloc_code_real_type) reloc)); - - if (pcrel) - fixP->fx_offset += offset; - } - } - - dwarf2_emit_insn (size); - } -} - -/* If while processing a fixup, a reloc really needs to be created - then it is done here. */ - -arelent * -tc_gen_reloc (seg, fixp) - asection *seg ATTRIBUTE_UNUSED; - fixS *fixp; -{ - arelent *reloc; - reloc = (arelent *) xmalloc (sizeof (arelent)); - - reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); - if (reloc->howto == (reloc_howto_type *) NULL) - { - as_bad_where (fixp->fx_file, fixp->fx_line, - _("reloc %d not supported by object file format"), - (int) fixp->fx_r_type); - return NULL; - } - reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; - - if (fixp->fx_subsy - && S_GET_SEGMENT (fixp->fx_subsy) == absolute_section) - { - fixp->fx_offset -= S_GET_VALUE (fixp->fx_subsy); - fixp->fx_subsy = 0; - } - - if (fixp->fx_addsy && fixp->fx_subsy) - { - reloc->sym_ptr_ptr = NULL; - - /* If we got a difference between two symbols, and the - subtracted symbol is in the current section, use a - PC-relative relocation. If both symbols are in the same - section, the difference would have already been simplified - to a constant. */ - if (S_GET_SEGMENT (fixp->fx_subsy) == seg) - { - reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); - *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); - reloc->addend = (reloc->address - S_GET_VALUE (fixp->fx_subsy) - + fixp->fx_offset); - - switch (fixp->fx_r_type) - { - case BFD_RELOC_8: - reloc->howto = bfd_reloc_type_lookup (stdoutput, - BFD_RELOC_8_PCREL); - return reloc; - - case BFD_RELOC_16: - reloc->howto = bfd_reloc_type_lookup (stdoutput, - BFD_RELOC_16_PCREL); - return reloc; - - case BFD_RELOC_24: - reloc->howto = bfd_reloc_type_lookup (stdoutput, - BFD_RELOC_24_PCREL); - return reloc; - - case BFD_RELOC_32: - reloc->howto = bfd_reloc_type_lookup (stdoutput, - BFD_RELOC_32_PCREL); - return reloc; - - default: - /* Try to compute the absolute value below. */ - break; - } - } - - if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy)) - || S_GET_SEGMENT (fixp->fx_addsy) == undefined_section) - { - as_bad_where (fixp->fx_file, fixp->fx_line, - "Difference of symbols in different sections is not supported"); - } - else - { - char *fixpos = fixp->fx_where + fixp->fx_frag->fr_literal; - - reloc->addend = (S_GET_VALUE (fixp->fx_addsy) - - S_GET_VALUE (fixp->fx_subsy) + fixp->fx_offset); - - switch (fixp->fx_r_type) - { - case BFD_RELOC_8: - md_number_to_chars (fixpos, reloc->addend, 1); - break; - - case BFD_RELOC_16: - md_number_to_chars (fixpos, reloc->addend, 2); - break; - - case BFD_RELOC_24: - md_number_to_chars (fixpos, reloc->addend, 3); - break; - - case BFD_RELOC_32: - md_number_to_chars (fixpos, reloc->addend, 4); - break; - - default: - reloc->sym_ptr_ptr = (asymbol **) &bfd_abs_symbol; - return reloc; - } - } - - if (reloc->sym_ptr_ptr) - free (reloc->sym_ptr_ptr); - free (reloc); - return NULL; - } - else - { - reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); - *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); - reloc->addend = fixp->fx_offset; - } - return reloc; -} - -int -md_estimate_size_before_relax (fragp, seg) - fragS *fragp; - asection *seg; -{ - if (fragp->fr_subtype == 6 - && (!S_IS_DEFINED (fragp->fr_symbol) - || seg != S_GET_SEGMENT (fragp->fr_symbol))) - fragp->fr_subtype = 7; - else if (fragp->fr_subtype == 8 - && (!S_IS_DEFINED (fragp->fr_symbol) - || seg != S_GET_SEGMENT (fragp->fr_symbol))) - fragp->fr_subtype = 9; - else if (fragp->fr_subtype == 10 - && (!S_IS_DEFINED (fragp->fr_symbol) - || seg != S_GET_SEGMENT (fragp->fr_symbol))) - fragp->fr_subtype = 12; - - if (fragp->fr_subtype == 13) - return 3; - if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0])) - abort (); - - return md_relax_table[fragp->fr_subtype].rlx_length; -} - -long -md_pcrel_from (fixp) - fixS *fixp; -{ - if (fixp->fx_addsy != (symbolS *) NULL && !S_IS_DEFINED (fixp->fx_addsy)) - { - /* The symbol is undefined. Let the linker figure it out. */ - return 0; - } - return fixp->fx_frag->fr_address + fixp->fx_where; -} - -void -md_apply_fix (fixP, valP, seg) - fixS * fixP; - valueT * valP; - segT seg; -{ - char * fixpos = fixP->fx_where + fixP->fx_frag->fr_literal; - int size = 0; - int value = (int) * valP; - - assert (fixP->fx_r_type < BFD_RELOC_UNUSED); - - /* This should never happen. */ - if (seg->flags & SEC_ALLOC) - abort (); - - /* The value we are passed in *valuep includes the symbol values. - If we are doing this relocation the code in write.c is going to - call bfd_install_relocation, which is also going to use the symbol - value. That means that if the reloc is fully resolved we want to - use *valuep since bfd_install_relocation is not being used. - - However, if the reloc is not fully resolved we do not want to use - *valuep, and must use fx_offset instead. However, if the reloc - is PC relative, we do want to use *valuep since it includes the - result of md_pcrel_from. */ - if (fixP->fx_addsy != (symbolS *) NULL && ! fixP->fx_pcrel) - value = fixP->fx_offset; - - /* If the fix is relative to a symbol which is not defined, or not - in the same segment as the fix, we cannot resolve it here. */ - if (fixP->fx_addsy != NULL - && (! S_IS_DEFINED (fixP->fx_addsy) - || (S_GET_SEGMENT (fixP->fx_addsy) != seg))) - { - fixP->fx_done = 0; - return; - } - - switch (fixP->fx_r_type) - { - case BFD_RELOC_8: - case BFD_RELOC_8_PCREL: - size = 1; - break; - - case BFD_RELOC_16: - case BFD_RELOC_16_PCREL: - size = 2; - break; - - case BFD_RELOC_32: - case BFD_RELOC_32_PCREL: - size = 4; - break; - - case BFD_RELOC_VTABLE_INHERIT: - case BFD_RELOC_VTABLE_ENTRY: - fixP->fx_done = 0; - return; - - case BFD_RELOC_NONE: - default: - as_bad_where (fixP->fx_file, fixP->fx_line, - _("Bad relocation fixup type (%d)"), fixP->fx_r_type); - } - - md_number_to_chars (fixpos, value, size); - - /* If a symbol remains, pass the fixup, as a reloc, onto the linker. */ - if (fixP->fx_addsy == NULL) - fixP->fx_done = 1; -} - -/* Return zero if the fixup in fixp should be left alone and not - adjusted. */ - -bfd_boolean -mn10300_fix_adjustable (fixp) - struct fix *fixp; -{ - if (! TC_RELOC_RTSYM_LOC_FIXUP (fixp)) - return 0; - - if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT - || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) - return 0; - - /* Do not adjust relocations involving symbols in code sections, - because it breaks linker relaxations. This could be fixed in the - linker, but this fix is simpler, and it pretty much only affects - object size a little bit. */ - if (S_GET_SEGMENT (fixp->fx_addsy)->flags & SEC_CODE) - return 0; - - /* Likewise, do not adjust symbols that won't be merged, or debug - symbols, because they too break relaxation. We do want to adjust - other mergable symbols, like .rodata, because code relaxations - need section-relative symbols to properly relax them. */ - if (! (S_GET_SEGMENT(fixp->fx_addsy)->flags & SEC_MERGE)) - return 0; - if (strncmp (S_GET_SEGMENT (fixp->fx_addsy)->name, ".debug", 6) == 0) - return 0; - - return 1; -} - -/* Insert an operand value into an instruction. */ - -static void -mn10300_insert_operand (insnp, extensionp, operand, val, file, line, shift) - unsigned long *insnp; - unsigned long *extensionp; - const struct mn10300_operand *operand; - offsetT val; - char *file; - unsigned int line; - unsigned int shift; -{ - /* No need to check 32bit operands for a bit. Note that - MN10300_OPERAND_SPLIT is an implicit 32bit operand. */ - if (operand->bits != 32 - && (operand->flags & MN10300_OPERAND_SPLIT) == 0) - { - long min, max; - offsetT test; - int bits; - - bits = operand->bits; - if (operand->flags & MN10300_OPERAND_24BIT) - bits = 24; - - if ((operand->flags & MN10300_OPERAND_SIGNED) != 0) - { - max = (1 << (bits - 1)) - 1; - min = - (1 << (bits - 1)); - } - else - { - max = (1 << bits) - 1; - min = 0; - } - - test = val; - - if (test < (offsetT) min || test > (offsetT) max) - as_warn_value_out_of_range (_("operand"), test, (offsetT) min, (offsetT) max, file, line); - } - - if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) - { - *insnp |= (val >> (32 - operand->bits)) & ((1 << operand->bits) - 1); - *extensionp |= ((val & ((1 << (32 - operand->bits)) - 1)) - << operand->shift); - } - else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) - { - *insnp |= (val >> (24 - operand->bits)) & ((1 << operand->bits) - 1); - *extensionp |= ((val & ((1 << (24 - operand->bits)) - 1)) - << operand->shift); - } - else if ((operand->flags & (MN10300_OPERAND_FSREG | MN10300_OPERAND_FDREG))) - { - /* See devo/opcodes/m10300-opc.c just before #define FSM0 for an - explanation of these variables. Note that FMT-implied shifts - are not taken into account for FP registers. */ - unsigned long mask_low, mask_high; - int shl_low, shr_high, shl_high; - - switch (operand->bits) - { - case 5: - /* Handle regular FP registers. */ - if (operand->shift >= 0) - { - /* This is an `m' register. */ - shl_low = operand->shift; - shl_high = 8 + (8 & shl_low) + (shl_low & 4) / 4; - } - else - { - /* This is an `n' register. */ - shl_low = -operand->shift; - shl_high = shl_low / 4; - } - - mask_low = 0x0f; - mask_high = 0x10; - shr_high = 4; - break; - - case 3: - /* Handle accumulators. */ - shl_low = -operand->shift; - shl_high = 0; - mask_low = 0x03; - mask_high = 0x04; - shr_high = 2; - break; - - default: - abort (); - } - *insnp |= ((((val & mask_high) >> shr_high) << shl_high) - | ((val & mask_low) << shl_low)); - } - else if ((operand->flags & MN10300_OPERAND_EXTENDED) == 0) - { - *insnp |= (((long) val & ((1 << operand->bits) - 1)) - << (operand->shift + shift)); - - if ((operand->flags & MN10300_OPERAND_REPEATED) != 0) - *insnp |= (((long) val & ((1 << operand->bits) - 1)) - << (operand->shift + shift + operand->bits)); - } - else - { - *extensionp |= (((long) val & ((1 << operand->bits) - 1)) - << (operand->shift + shift)); - - if ((operand->flags & MN10300_OPERAND_REPEATED) != 0) - *extensionp |= (((long) val & ((1 << operand->bits) - 1)) - << (operand->shift + shift + operand->bits)); - } -} - -static unsigned long -check_operand (insn, operand, val) - unsigned long insn ATTRIBUTE_UNUSED; - const struct mn10300_operand *operand; - offsetT val; -{ - /* No need to check 32bit operands for a bit. Note that - MN10300_OPERAND_SPLIT is an implicit 32bit operand. */ - if (operand->bits != 32 - && (operand->flags & MN10300_OPERAND_SPLIT) == 0) - { - long min, max; - offsetT test; - int bits; - - bits = operand->bits; - if (operand->flags & MN10300_OPERAND_24BIT) - bits = 24; - - if ((operand->flags & MN10300_OPERAND_SIGNED) != 0) - { - max = (1 << (bits - 1)) - 1; - min = - (1 << (bits - 1)); - } - else - { - max = (1 << bits) - 1; - min = 0; - } - - test = val; - - if (test < (offsetT) min || test > (offsetT) max) - return 0; - else - return 1; - } - return 1; -} - -static void -set_arch_mach (mach) - int mach; -{ - if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, mach)) - as_warn (_("could not set architecture and machine")); - - current_machine = mach; -} - -static inline char * mn10300_end_of_match PARAMS ((char *, char *)); - -static inline char * -mn10300_end_of_match (cont, what) - char *cont, *what; -{ - int len = strlen (what); - - if (strncmp (cont, what, strlen (what)) == 0 - && ! is_part_of_name (cont[len])) - return cont + len; - - return NULL; -} - -int -mn10300_parse_name (name, exprP, mode, nextcharP) - char const *name; - expressionS *exprP; - enum expr_mode mode; - char *nextcharP; -{ - char *next = input_line_pointer; - char *next_end; - int reloc_type; - segT segment; - - exprP->X_op_symbol = NULL; - - if (strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0) - { - if (! GOT_symbol) - GOT_symbol = symbol_find_or_make (name); - - exprP->X_add_symbol = GOT_symbol; - no_suffix: - /* If we have an absolute symbol or a reg, - then we know its value now. */ - segment = S_GET_SEGMENT (exprP->X_add_symbol); - if (mode != expr_defer && segment == absolute_section) - { - exprP->X_op = O_constant; - exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol); - exprP->X_add_symbol = NULL; - } - else if (mode != expr_defer && segment == reg_section) - { - exprP->X_op = O_register; - exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol); - exprP->X_add_symbol = NULL; - } - else - { - exprP->X_op = O_symbol; - exprP->X_add_number = 0; - } - - return 1; - } - - exprP->X_add_symbol = symbol_find_or_make (name); - - if (*nextcharP != '@') - goto no_suffix; - else if ((next_end = mn10300_end_of_match (next + 1, "GOTOFF"))) - reloc_type = BFD_RELOC_32_GOTOFF; - else if ((next_end = mn10300_end_of_match (next + 1, "GOT"))) - reloc_type = BFD_RELOC_MN10300_GOT32; - else if ((next_end = mn10300_end_of_match (next + 1, "PLT"))) - reloc_type = BFD_RELOC_32_PLT_PCREL; - else - goto no_suffix; - - *input_line_pointer = *nextcharP; - input_line_pointer = next_end; - *nextcharP = *input_line_pointer; - *input_line_pointer = '\0'; - - exprP->X_op = O_PIC_reloc; - exprP->X_add_number = 0; - exprP->X_md = reloc_type; - - return 1; -} |