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Diffstat (limited to 'binutils-2.25/gas/config/tc-ia64.h')
| -rw-r--r-- | binutils-2.25/gas/config/tc-ia64.h | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/binutils-2.25/gas/config/tc-ia64.h b/binutils-2.25/gas/config/tc-ia64.h new file mode 100644 index 00000000..7cade496 --- /dev/null +++ b/binutils-2.25/gas/config/tc-ia64.h @@ -0,0 +1,331 @@ +/* tc-ia64.h -- Header file for tc-ia64.c. + Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, + 2009, 2010 Free Software Foundation, Inc. + Contributed by David Mosberger-Tang <davidm@hpl.hp.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, 51 Franklin Street - Fifth Floor, + Boston, MA 02110-1301, USA. */ + +#include "opcode/ia64.h" +#include "elf/ia64.h" + +#define TC_IA64 + +/* Linux is little endian by default. HPUX is big endian by default. */ +#ifdef TE_HPUX +#define TARGET_BYTES_BIG_ENDIAN 1 +#define MD_FLAGS_DEFAULT EF_IA_64_BE +#else +#define TARGET_BYTES_BIG_ENDIAN 0 +#define MD_FLAGS_DEFAULT EF_IA_64_ABI64 +#endif /* TE_HPUX */ + +extern void (*ia64_number_to_chars) (char *, valueT, int); +#define md_number_to_chars (*ia64_number_to_chars) + +extern void ia64_elf_section_change_hook (void); +#define md_elf_section_change_hook ia64_elf_section_change_hook + +/* We record the endian for this section. 0 means default, 1 means + big endian and 2 means little endian. */ +struct ia64_segment_info_type +{ + unsigned int endian : 2; +}; + +#define TC_SEGMENT_INFO_TYPE struct ia64_segment_info_type + +extern void ia64_adjust_symtab (void); +#define tc_adjust_symtab() ia64_adjust_symtab () + +extern void ia64_frob_file (void); +#define tc_frob_file() ia64_frob_file () + +/* We need to set the default object file format in ia64_init and not in + md_begin. This is because parse_args is called before md_begin, and we + do not want md_begin to wipe out the flag settings set by options parsed in + md_parse_args. */ + +#define HOST_SPECIAL_INIT ia64_init +extern void ia64_init (int, char **); + +#define TARGET_FORMAT ia64_target_format() +extern const char *ia64_target_format (void); + +#define TARGET_ARCH bfd_arch_ia64 +#define DOUBLESLASH_LINE_COMMENTS /* allow //-style comments */ + +#define NEED_LITERAL_POOL /* need gp literal pool */ +#define RELOC_REQUIRES_SYMBOL +#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ +#define NEED_INDEX_OPERATOR /* [ ] is index operator */ + +#define QUOTES_IN_INSN /* allow `string "foo;bar"' */ +#define LEX_AT (LEX_NAME|LEX_BEGIN_NAME) /* allow `@' inside name */ +#define LEX_QM (LEX_NAME|LEX_BEGIN_NAME) /* allow `?' inside name */ +#define LEX_HASH LEX_END_NAME /* allow `#' ending a name */ + +#define TC_PREDICATE_START_CHAR '(' +#define TC_PREDICATE_END_CHAR ')' + +extern const char ia64_symbol_chars[]; +#define tc_symbol_chars ia64_symbol_chars + +#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0 + +struct ia64_fix + { + int bigendian; /* byte order at fix location */ + enum ia64_opnd opnd; + }; + +extern void ia64_end_of_source (void); +extern void ia64_start_line (void); +extern int ia64_unrecognized_line (int); +extern void ia64_frob_label (struct symbol *); +#ifdef TE_HPUX +extern int ia64_frob_symbol (struct symbol *); +#endif +extern void ia64_flush_pending_output (void); +extern int ia64_parse_name (char *, expressionS *, char *); +extern int ia64_optimize_expr (expressionS *, operatorT, expressionS *); +extern void ia64_cons_align (int); +extern void ia64_flush_insns (void); +extern int ia64_fix_adjustable (struct fix *); +extern int ia64_force_relocation (struct fix *); +extern void ia64_cons_fix_new (fragS *, int, int, expressionS *); +extern void ia64_validate_fix (struct fix *); +extern char * ia64_canonicalize_symbol_name (char *); +extern bfd_vma ia64_elf_section_letter (int, char **); +extern flagword ia64_elf_section_flags (flagword, bfd_vma, int); +extern int ia64_elf_section_type (const char *, size_t); +extern long ia64_pcrel_from_section (struct fix *, segT); +extern void ia64_md_do_align (int, const char *, int, int); +extern void ia64_handle_align (fragS *); +extern void ia64_after_parse_args (void); +extern void ia64_dwarf2_emit_offset (symbolS *, unsigned int); +extern void ia64_check_label (symbolS *); +extern int ia64_estimate_size_before_relax (fragS *, asection *); +extern void ia64_convert_frag (fragS *); + +#define md_end() ia64_end_of_source () +#define md_start_line_hook() ia64_start_line () +#define tc_unrecognized_line(ch) ia64_unrecognized_line (ch) +#define tc_frob_label(s) ia64_frob_label (s) +#ifdef TE_HPUX +#define tc_frob_symbol(s,p) p |= ia64_frob_symbol (s) +#endif /* TE_HPUX */ +#define md_flush_pending_output() ia64_flush_pending_output () +#define md_parse_name(s,e,m,c) ia64_parse_name (s, e, c) +#define md_register_arithmetic 0 +#define tc_canonicalize_symbol_name(s) ia64_canonicalize_symbol_name (s) +#define tc_canonicalize_section_name(s) ia64_canonicalize_symbol_name (s) +#define md_optimize_expr(l,o,r) ia64_optimize_expr (l, o, r) +#define md_cons_align(n) ia64_cons_align (n) +#define TC_FORCE_RELOCATION(f) ia64_force_relocation (f) +#define tc_fix_adjustable(f) ia64_fix_adjustable (f) +#define MD_APPLY_SYM_VALUE(FIX) 0 +#define md_convert_frag(b,s,f) ia64_convert_frag (f) +#define md_create_long_jump(p,f,t,fr,s) as_fatal ("ia64_create_long_jump") +#define md_create_short_jump(p,f,t,fr,s) \ + as_fatal ("ia64_create_short_jump") +#define md_estimate_size_before_relax(f,s) \ + ia64_estimate_size_before_relax(f,s) +#define md_elf_section_letter ia64_elf_section_letter +#define md_elf_section_flags ia64_elf_section_flags +#define TC_FIX_TYPE struct ia64_fix +#define TC_INIT_FIX_DATA(f) { f->tc_fix_data.opnd = 0; } +#define TC_CONS_FIX_NEW(f,o,l,e) ia64_cons_fix_new (f, o, l, e) +#define TC_VALIDATE_FIX(fix,seg,skip) ia64_validate_fix (fix) +#define MD_PCREL_FROM_SECTION(fix,sec) ia64_pcrel_from_section (fix, sec) +#define md_section_align(seg,size) (size) +#define md_do_align(n,f,l,m,j) ia64_md_do_align (n,f,l,m) +#define HANDLE_ALIGN(f) ia64_handle_align (f) +#define md_elf_section_type(str,len) ia64_elf_section_type (str, len) +#define md_after_parse_args() ia64_after_parse_args () +#define TC_DWARF2_EMIT_OFFSET ia64_dwarf2_emit_offset +#define tc_check_label(l) ia64_check_label (l) +#ifdef TE_VMS +#define tc_init_after_args() ia64_vms_note () +void ia64_vms_note (void); +#endif + +/* Record if an alignment frag should end with a stop bit. */ +#define TC_FRAG_TYPE int +#define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0) + +/* Give an error if a frag containing code is not aligned to a 16 byte + boundary. */ +#define md_frag_check(FRAGP) \ + if ((FRAGP)->has_code \ + && (((FRAGP)->fr_address + (FRAGP)->insn_addr) & 15) != 0) \ + as_bad_where ((FRAGP)->fr_file, (FRAGP)->fr_line, \ + _("instruction address is not a multiple of 16")); + +#define MAX_MEM_FOR_RS_ALIGN_CODE (15 + 16) + +#define WORKING_DOT_WORD /* don't do broken word processing for now */ + +#define DWARF2_LINE_MIN_INSN_LENGTH 1 /* so slot-multipliers can be 1 */ + +/* This is the information required for unwind records in an ia64 + object file. This is required by GAS and the compiler runtime. */ + +/* These are the starting point masks for the various types of + unwind records. To create a record of type R3 for instance, one + starts by using the value UNW_R3 and or-ing in any other required values. + These values are also unique (in context), so they can be used to identify + the various record types as well. UNW_Bx and some UNW_Px do have the + same value, but Px can only occur in a prologue context, and Bx in + a body context. */ + +#define UNW_R1 0x00 +#define UNW_R2 0x40 +#define UNW_R3 0x60 +#define UNW_P1 0x80 +#define UNW_P2 0xA0 +#define UNW_P3 0xB0 +#define UNW_P4 0xB8 +#define UNW_P5 0xB9 +#define UNW_P6 0xC0 +#define UNW_P7 0xE0 +#define UNW_P8 0xF0 +#define UNW_P9 0xF1 +#define UNW_P10 0xFF +#define UNW_X1 0xF9 +#define UNW_X2 0xFA +#define UNW_X3 0xFB +#define UNW_X4 0xFC +#define UNW_B1 0x80 +#define UNW_B2 0xC0 +#define UNW_B3 0xE0 +#define UNW_B4 0xF0 + +/* These are all the various types of unwind records. */ + +typedef enum +{ + prologue, prologue_gr, body, mem_stack_f, mem_stack_v, psp_gr, psp_sprel, + rp_when, rp_gr, rp_br, rp_psprel, rp_sprel, pfs_when, pfs_gr, pfs_psprel, + pfs_sprel, preds_when, preds_gr, preds_psprel, preds_sprel, + fr_mem, frgr_mem, gr_gr, gr_mem, br_mem, br_gr, spill_base, spill_mask, + unat_when, unat_gr, unat_psprel, unat_sprel, lc_when, lc_gr, lc_psprel, + lc_sprel, fpsr_when, fpsr_gr, fpsr_psprel, fpsr_sprel, + priunat_when_gr, priunat_when_mem, priunat_gr, priunat_psprel, + priunat_sprel, bsp_when, bsp_gr, bsp_psprel, bsp_sprel, bspstore_when, + bspstore_gr, bspstore_psprel, bspstore_sprel, rnat_when, rnat_gr, + rnat_psprel, rnat_sprel, epilogue, label_state, copy_state, + spill_psprel, spill_sprel, spill_reg, spill_psprel_p, spill_sprel_p, + spill_reg_p, unwabi, endp +} unw_record_type; + +/* These structures declare the fields that can be used in each of the + 4 record formats, R, P, B and X. */ + +typedef struct unw_r_record +{ + unsigned long rlen; + unsigned short grmask; + unsigned short grsave; + /* masks to represent the union of save.g, save.f, save.b, and + save.gf: */ + unsigned long imask_size; + struct + { + unsigned char *i; + unsigned int fr_mem; + unsigned char gr_mem; + unsigned char br_mem; + } mask; +} unw_r_record; + +typedef struct unw_p_record +{ + struct unw_rec_list *next; + unsigned long t; + unsigned long size; + union + { + unsigned long sp; + unsigned long psp; + } off; + union + { + unsigned short gr; + unsigned short br; + } r; + unsigned char grmask; + unsigned char brmask; + unsigned int frmask; + unsigned char abi; + unsigned char context; +} unw_p_record; + +typedef struct unw_b_record +{ + unsigned long t; + unsigned long label; + unsigned short ecount; +} unw_b_record; + +typedef struct unw_x_record +{ + unsigned long t; + union + { + unsigned long spoff; + unsigned long pspoff; + unsigned int reg; + } where; + unsigned short reg; + unsigned short qp; + unsigned short ab; /* Value of the AB field.. */ + unsigned short xy; /* Value of the XY field.. */ +} unw_x_record; + +/* This structure is used to determine the specific record type and + its fields. */ +typedef struct unwind_record +{ + unw_record_type type; + union { + unw_r_record r; + unw_p_record p; + unw_b_record b; + unw_x_record x; + } record; +} unwind_record; + +/* This expression evaluates to true if the relocation is for a local + object for which we still want to do the relocation at runtime. + False if we are willing to perform this relocation while building + the .o file. */ + +/* If the reloc type is BFD_RELOC_UNUSED, then this is for a TAG13/TAG13b field + which has no external reloc, so we must resolve the value now. */ + +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + ((FIX)->fx_r_type != BFD_RELOC_UNUSED \ + && (!(FIX)->fx_pcrel \ + || (FIX)->fx_r_type == BFD_RELOC_IA64_PLTOFF22 \ + || TC_FORCE_RELOCATION (FIX))) + +/* VMS backtraces expect dwarf version 3. */ +#ifdef TE_VMS +#define DWARF2_VERSION 3 +#define DWARF2_LINE_VERSION 3 +#endif |