diff options
Diffstat (limited to 'binutils-2.25/gas/config/tc-i386.h')
| -rw-r--r-- | binutils-2.25/gas/config/tc-i386.h | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/binutils-2.25/gas/config/tc-i386.h b/binutils-2.25/gas/config/tc-i386.h new file mode 100644 index 00000000..de132d69 --- /dev/null +++ b/binutils-2.25/gas/config/tc-i386.h @@ -0,0 +1,342 @@ +/* tc-i386.h -- Header file for tc-i386.c + Copyright 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, + 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 + 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 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. */ + +#ifndef TC_I386 +#define TC_I386 1 + +#include "opcodes/i386-opc.h" + +struct fix; + +#define TARGET_BYTES_BIG_ENDIAN 0 + +#define TARGET_ARCH (i386_arch ()) +#define TARGET_MACH (i386_mach ()) +extern enum bfd_architecture i386_arch (void); +extern unsigned long i386_mach (void); + +#ifdef TE_FreeBSD +#define AOUT_TARGET_FORMAT "a.out-i386-freebsd" +#endif +#ifdef TE_NetBSD +#define AOUT_TARGET_FORMAT "a.out-i386-netbsd" +#endif +#ifdef TE_386BSD +#define AOUT_TARGET_FORMAT "a.out-i386-bsd" +#endif +#ifdef TE_LINUX +#define AOUT_TARGET_FORMAT "a.out-i386-linux" +#endif +#ifdef TE_Mach +#define AOUT_TARGET_FORMAT "a.out-mach3" +#endif +#ifdef TE_DYNIX +#define AOUT_TARGET_FORMAT "a.out-i386-dynix" +#endif +#ifndef AOUT_TARGET_FORMAT +#define AOUT_TARGET_FORMAT "a.out-i386" +#endif + +#ifdef TE_FreeBSD +#define ELF_TARGET_FORMAT "elf32-i386-freebsd" +#define ELF_TARGET_FORMAT64 "elf64-x86-64-freebsd" +#elif defined (TE_VXWORKS) +#define ELF_TARGET_FORMAT "elf32-i386-vxworks" +#elif defined (TE_NACL) +#define ELF_TARGET_FORMAT "elf32-i386-nacl" +#define ELF_TARGET_FORMAT32 "elf32-x86-64-nacl" +#define ELF_TARGET_FORMAT64 "elf64-x86-64-nacl" +#endif + +#ifdef TE_SOLARIS +#define ELF_TARGET_FORMAT "elf32-i386-sol2" +#define ELF_TARGET_FORMAT64 "elf64-x86-64-sol2" +#endif + +#ifndef ELF_TARGET_FORMAT +#define ELF_TARGET_FORMAT "elf32-i386" +#endif + +#ifndef ELF_TARGET_FORMAT64 +#define ELF_TARGET_FORMAT64 "elf64-x86-64" +#endif + +#ifndef ELF_TARGET_FORMAT32 +#define ELF_TARGET_FORMAT32 "elf32-x86-64" +#endif + +#ifndef ELF_TARGET_L1OM_FORMAT +#define ELF_TARGET_L1OM_FORMAT "elf64-l1om" +#endif + +#ifndef ELF_TARGET_K1OM_FORMAT +#define ELF_TARGET_K1OM_FORMAT "elf64-k1om" +#endif + +#if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ + || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ + || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) +extern const char *i386_target_format (void); +#define TARGET_FORMAT i386_target_format () +#else +#ifdef TE_GO32 +#define TARGET_FORMAT "coff-go32" +#endif +#ifdef OBJ_AOUT +#define TARGET_FORMAT AOUT_TARGET_FORMAT +#endif +#endif + +#if (defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF)) +#define md_end i386_elf_emit_arch_note +extern void i386_elf_emit_arch_note (void); +#endif + +#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0 + +/* '$' may be used as immediate prefix. */ +#undef LOCAL_LABELS_DOLLAR +#define LOCAL_LABELS_DOLLAR 0 +#undef LOCAL_LABELS_FB +#define LOCAL_LABELS_FB 1 + +extern const char extra_symbol_chars[]; +#define tc_symbol_chars extra_symbol_chars + +extern const char *i386_comment_chars; +#define tc_comment_chars i386_comment_chars + +/* The name of the global offset table generated by the compiler. Allow + this to be overridden if need be. */ +#ifndef GLOBAL_OFFSET_TABLE_NAME +#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" +#endif + +#if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) && !defined (LEX_AT) +#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) x86_cons (EXP, NBYTES) +#endif +extern void x86_cons (expressionS *, int); + +#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) x86_cons_fix_new(FRAG, OFF, LEN, EXP) +extern void x86_cons_fix_new + (fragS *, unsigned int, unsigned int, expressionS *); + +#define TC_ADDRESS_BYTES x86_address_bytes +extern int x86_address_bytes (void); + +#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ + +#define NO_RELOC BFD_RELOC_NONE + +void i386_validate_fix (struct fix *); +#define TC_VALIDATE_FIX(FIX,SEGTYPE,SKIP) i386_validate_fix(FIX) + +#define tc_fix_adjustable(X) tc_i386_fix_adjustable(X) +extern int tc_i386_fix_adjustable (struct fix *); + +/* Values passed to md_apply_fix don't include the symbol value. */ +#define MD_APPLY_SYM_VALUE(FIX) 0 + +/* ELF wants external syms kept, as does PE COFF. */ +#if defined (TE_PE) && defined (STRICT_PE_FORMAT) +#define EXTERN_FORCE_RELOC \ + (OUTPUT_FLAVOR == bfd_target_elf_flavour \ + || OUTPUT_FLAVOR == bfd_target_coff_flavour) +#else +#define EXTERN_FORCE_RELOC \ + (OUTPUT_FLAVOR == bfd_target_elf_flavour) +#endif + +/* 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. GOTOFF and GOT32 do not need to be checked here because + they are not pcrel. .*/ + +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + (!(FIX)->fx_pcrel \ + || (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \ + || (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \ + || (FIX)->fx_r_type == BFD_RELOC_X86_64_GOTPCREL \ + || TC_FORCE_RELOCATION (FIX)) + +extern int i386_parse_name (char *, expressionS *, char *); +#define md_parse_name(s, e, m, c) i386_parse_name (s, e, c) + +extern operatorT i386_operator (const char *name, unsigned int operands, char *); +#define md_operator i386_operator + +extern int i386_need_index_operator (void); +#define md_need_index_operator i386_need_index_operator + +#define md_register_arithmetic 0 + +extern const struct relax_type md_relax_table[]; +#define TC_GENERIC_RELAX_TABLE md_relax_table + +extern int optimize_align_code; + +#define md_do_align(n, fill, len, max, around) \ +if ((n) \ + && !need_pass_2 \ + && optimize_align_code \ + && (!(fill) \ + || ((char)*(fill) == (char)0x90 && (len) == 1)) \ + && subseg_text_p (now_seg)) \ + { \ + frag_align_code ((n), (max)); \ + goto around; \ + } + +#define MAX_MEM_FOR_RS_ALIGN_CODE 31 + +extern void i386_align_code (fragS *, int); + +#define HANDLE_ALIGN(fragP) \ +if (fragP->fr_type == rs_align_code) \ + i386_align_code (fragP, (fragP->fr_next->fr_address \ + - fragP->fr_address \ + - fragP->fr_fix)); + +void i386_print_statistics (FILE *); +#define tc_print_statistics i386_print_statistics + +extern unsigned int i386_frag_max_var (fragS *); +#define md_frag_max_var i386_frag_max_var + +#define md_number_to_chars number_to_chars_littleendian + +enum processor_type +{ + PROCESSOR_UNKNOWN, + PROCESSOR_I386, + PROCESSOR_I486, + PROCESSOR_PENTIUM, + PROCESSOR_PENTIUMPRO, + PROCESSOR_PENTIUM4, + PROCESSOR_NOCONA, + PROCESSOR_CORE, + PROCESSOR_CORE2, + PROCESSOR_COREI7, + PROCESSOR_L1OM, + PROCESSOR_K1OM, + PROCESSOR_K6, + PROCESSOR_ATHLON, + PROCESSOR_K8, + PROCESSOR_GENERIC32, + PROCESSOR_GENERIC64, + PROCESSOR_AMDFAM10, + PROCESSOR_BD, + PROCESSOR_BT +}; + +extern enum processor_type cpu_arch_tune; +extern enum processor_type cpu_arch_isa; +extern i386_cpu_flags cpu_arch_isa_flags; + +struct i386_tc_frag_data +{ + enum processor_type isa; + i386_cpu_flags isa_flags; + enum processor_type tune; +}; + +/* We need to emit the right NOP pattern in .align frags. This is + done after the text-to-bits assembly pass, so we need to mark it with + the isa/tune settings at the time the .align was assembled. */ +#define TC_FRAG_TYPE struct i386_tc_frag_data + +#define TC_FRAG_INIT(FRAGP) \ + do \ + { \ + (FRAGP)->tc_frag_data.isa = cpu_arch_isa; \ + (FRAGP)->tc_frag_data.isa_flags = cpu_arch_isa_flags; \ + (FRAGP)->tc_frag_data.tune = cpu_arch_tune; \ + } \ + while (0) + +#ifdef SCO_ELF +#define tc_init_after_args() sco_id () +extern void sco_id (void); +#endif + +#define WORKING_DOT_WORD 1 + +/* We want .cfi_* pseudo-ops for generating unwind info. */ +#define TARGET_USE_CFIPOP 1 + +extern unsigned int x86_dwarf2_return_column; +#define DWARF2_DEFAULT_RETURN_COLUMN x86_dwarf2_return_column + +extern int x86_cie_data_alignment; +#define DWARF2_CIE_DATA_ALIGNMENT x86_cie_data_alignment + +extern int x86_dwarf2_addr_size (void); +#define DWARF2_ADDR_SIZE(bfd) x86_dwarf2_addr_size () + +#define tc_parse_to_dw2regnum tc_x86_parse_to_dw2regnum +extern void tc_x86_parse_to_dw2regnum (expressionS *); + +#define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions +extern void tc_x86_frame_initial_instructions (void); + +#define md_elf_section_type(str,len) i386_elf_section_type (str, len) +extern int i386_elf_section_type (const char *, size_t); + +#ifdef TE_SOLARIS +#define md_fix_up_eh_frame(sec) i386_solaris_fix_up_eh_frame (sec) +extern void i386_solaris_fix_up_eh_frame (segT); +#endif + +/* Support for SHF_X86_64_LARGE */ +extern bfd_vma x86_64_section_word (char *, size_t); +extern bfd_vma x86_64_section_letter (int, char **); +#define md_elf_section_letter(LETTER, PTR_MSG) x86_64_section_letter (LETTER, PTR_MSG) +#define md_elf_section_word(STR, LEN) x86_64_section_word (STR, LEN) + +#ifdef TE_PE + +#define O_secrel O_md1 + +#define TC_DWARF2_EMIT_OFFSET tc_pe_dwarf2_emit_offset +void tc_pe_dwarf2_emit_offset (symbolS *, unsigned int); + +#endif /* TE_PE */ + +/* X_add_symbol:X_op_symbol (Intel mode only) */ +#define O_full_ptr O_md2 + +#ifdef OBJ_MACH_O + +#define TC_FORCE_RELOCATION(FIX) (obj_mach_o_force_reloc (FIX)) + +#define TC_FORCE_RELOCATION_SUB_SAME(FIX,SEG) \ + (obj_mach_o_force_reloc_sub_same (FIX, SEG)) + +#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX,SEG) \ + (obj_mach_o_force_reloc_sub_local (FIX, SEG)) + +#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1 + +#endif /* OBJ_MACH_O */ + +#endif /* TC_I386 */ |