diff options
Diffstat (limited to 'binutils-2.17/gas/config/tc-i386.h')
| -rw-r--r-- | binutils-2.17/gas/config/tc-i386.h | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/binutils-2.17/gas/config/tc-i386.h b/binutils-2.17/gas/config/tc-i386.h deleted file mode 100644 index 98517041..00000000 --- a/binutils-2.17/gas/config/tc-i386.h +++ /dev/null @@ -1,514 +0,0 @@ -/* 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 - 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. */ - -#ifndef TC_I386 -#define TC_I386 1 - -struct fix; - -#define TARGET_BYTES_BIG_ENDIAN 0 - -#define TARGET_ARCH bfd_arch_i386 -#define TARGET_MACH (i386_mach ()) -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" -#elif defined (TE_VXWORKS) -#define ELF_TARGET_FORMAT "elf32-i386-vxworks" -#endif - -#ifndef ELF_TARGET_FORMAT -#define ELF_TARGET_FORMAT "elf32-i386" -#endif - -#if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ - || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) -extern const char *i386_target_format PARAMS ((void)); -#define TARGET_FORMAT i386_target_format () -#else -#ifdef OBJ_ELF -#define TARGET_FORMAT ELF_TARGET_FORMAT -#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 PARAMS ((void)); -#endif - -#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0 - -#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 - -#define MAX_OPERANDS 3 /* max operands per insn */ -#define MAX_IMMEDIATE_OPERANDS 2/* max immediates per insn (lcall, ljmp) */ -#define MAX_MEMORY_OPERANDS 2 /* max memory refs per insn (string ops) */ - -/* Prefixes will be emitted in the order defined below. - WAIT_PREFIX must be the first prefix since FWAIT is really is an - instruction, and so must come before any prefixes. */ -#define WAIT_PREFIX 0 -#define LOCKREP_PREFIX 1 -#define ADDR_PREFIX 2 -#define DATA_PREFIX 3 -#define SEG_PREFIX 4 -#define REX_PREFIX 5 /* must come last. */ -#define MAX_PREFIXES 6 /* max prefixes per opcode */ - -/* we define the syntax here (modulo base,index,scale syntax) */ -#define REGISTER_PREFIX '%' -#define IMMEDIATE_PREFIX '$' -#define ABSOLUTE_PREFIX '*' - -#define TWO_BYTE_OPCODE_ESCAPE 0x0f -#define NOP_OPCODE (char) 0x90 - -/* register numbers */ -#define EBP_REG_NUM 5 -#define ESP_REG_NUM 4 - -/* modrm_byte.regmem for twobyte escape */ -#define ESCAPE_TO_TWO_BYTE_ADDRESSING ESP_REG_NUM -/* index_base_byte.index for no index register addressing */ -#define NO_INDEX_REGISTER ESP_REG_NUM -/* index_base_byte.base for no base register addressing */ -#define NO_BASE_REGISTER EBP_REG_NUM -#define NO_BASE_REGISTER_16 6 - -/* these are the instruction mnemonic suffixes. */ -#define WORD_MNEM_SUFFIX 'w' -#define BYTE_MNEM_SUFFIX 'b' -#define SHORT_MNEM_SUFFIX 's' -#define LONG_MNEM_SUFFIX 'l' -#define QWORD_MNEM_SUFFIX 'q' -/* Intel Syntax */ -#define LONG_DOUBLE_MNEM_SUFFIX 'x' - -/* modrm.mode = REGMEM_FIELD_HAS_REG when a register is in there */ -#define REGMEM_FIELD_HAS_REG 0x3/* always = 0x3 */ -#define REGMEM_FIELD_HAS_MEM (~REGMEM_FIELD_HAS_REG) - -#define END_OF_INSN '\0' - -typedef struct -{ - /* instruction name sans width suffix ("mov" for movl insns) */ - char *name; - - /* how many operands */ - unsigned int operands; - - /* base_opcode is the fundamental opcode byte without optional - prefix(es). */ - unsigned int base_opcode; - - /* extension_opcode is the 3 bit extension for group <n> insns. - This field is also used to store the 8-bit opcode suffix for the - AMD 3DNow! instructions. - If this template has no extension opcode (the usual case) use None */ - unsigned int extension_opcode; -#define None 0xffff /* If no extension_opcode is possible. */ - - /* cpu feature flags */ - unsigned int cpu_flags; -#define Cpu086 0x1 /* Any old cpu will do, 0 does the same */ -#define Cpu186 0x2 /* i186 or better required */ -#define Cpu286 0x4 /* i286 or better required */ -#define Cpu386 0x8 /* i386 or better required */ -#define Cpu486 0x10 /* i486 or better required */ -#define Cpu586 0x20 /* i585 or better required */ -#define Cpu686 0x40 /* i686 or better required */ -#define CpuP4 0x80 /* Pentium4 or better required */ -#define CpuK6 0x100 /* AMD K6 or better required*/ -#define CpuAthlon 0x200 /* AMD Athlon or better required*/ -#define CpuSledgehammer 0x400 /* Sledgehammer or better required */ -#define CpuMMX 0x800 /* MMX support required */ -#define CpuMMX2 0x1000 /* extended MMX support (with SSE or 3DNow!Ext) required */ -#define CpuSSE 0x2000 /* Streaming SIMD extensions required */ -#define CpuSSE2 0x4000 /* Streaming SIMD extensions 2 required */ -#define Cpu3dnow 0x8000 /* 3dnow! support required */ -#define Cpu3dnowA 0x10000 /* 3dnow!Extensions support required */ -#define CpuSSE3 0x20000 /* Streaming SIMD extensions 3 required */ -#define CpuPNI CpuSSE3 /* Prescott New Instructions required */ -#define CpuPadLock 0x40000 /* VIA PadLock required */ -#define CpuSVME 0x80000 /* AMD Secure Virtual Machine Ext-s required */ -#define CpuVMX 0x100000 /* VMX Instructions required */ -#define CpuMNI 0x200000 /* Merom New Instructions required */ - - /* These flags are set by gas depending on the flag_code. */ -#define Cpu64 0x4000000 /* 64bit support required */ -#define CpuNo64 0x8000000 /* Not supported in the 64bit mode */ - - /* The default value for unknown CPUs - enable all features to avoid problems. */ -#define CpuUnknownFlags (Cpu086|Cpu186|Cpu286|Cpu386|Cpu486|Cpu586|Cpu686 \ - |CpuP4|CpuSledgehammer|CpuMMX|CpuMMX2|CpuSSE|CpuSSE2|CpuPNI|CpuVMX \ - |Cpu3dnow|Cpu3dnowA|CpuK6|CpuAthlon|CpuPadLock|CpuSVME|CpuMNI) - - /* the bits in opcode_modifier are used to generate the final opcode from - the base_opcode. These bits also are used to detect alternate forms of - the same instruction */ - unsigned int opcode_modifier; - - /* opcode_modifier bits: */ -#define W 0x1 /* set if operands can be words or dwords - encoded the canonical way */ -#define D 0x2 /* D = 0 if Reg --> Regmem; - D = 1 if Regmem --> Reg: MUST BE 0x2 */ -#define Modrm 0x4 -#define FloatR 0x8 /* src/dest swap for floats: MUST BE 0x8 */ -#define ShortForm 0x10 /* register is in low 3 bits of opcode */ -#define FloatMF 0x20 /* FP insn memory format bit, sized by 0x4 */ -#define Jump 0x40 /* special case for jump insns. */ -#define JumpDword 0x80 /* call and jump */ -#define JumpByte 0x100 /* loop and jecxz */ -#define JumpInterSegment 0x200 /* special case for intersegment leaps/calls */ -#define FloatD 0x400 /* direction for float insns: MUST BE 0x400 */ -#define Seg2ShortForm 0x800 /* encoding of load segment reg insns */ -#define Seg3ShortForm 0x1000 /* fs/gs segment register insns. */ -#define Size16 0x2000 /* needs size prefix if in 32-bit mode */ -#define Size32 0x4000 /* needs size prefix if in 16-bit mode */ -#define Size64 0x8000 /* needs size prefix if in 16-bit mode */ -#define IgnoreSize 0x10000 /* instruction ignores operand size prefix */ -#define DefaultSize 0x20000 /* default insn size depends on mode */ -#define No_bSuf 0x40000 /* b suffix on instruction illegal */ -#define No_wSuf 0x80000 /* w suffix on instruction illegal */ -#define No_lSuf 0x100000 /* l suffix on instruction illegal */ -#define No_sSuf 0x200000 /* s suffix on instruction illegal */ -#define No_qSuf 0x400000 /* q suffix on instruction illegal */ -#define No_xSuf 0x800000 /* x suffix on instruction illegal */ -#define FWait 0x1000000 /* instruction needs FWAIT */ -#define IsString 0x2000000 /* quick test for string instructions */ -#define regKludge 0x4000000 /* fake an extra reg operand for clr, imul */ -#define IsPrefix 0x8000000 /* opcode is a prefix */ -#define ImmExt 0x10000000 /* instruction has extension in 8 bit imm */ -#define NoRex64 0x20000000 /* instruction don't need Rex64 prefix. */ -#define Rex64 0x40000000 /* instruction require Rex64 prefix. */ -#define Ugh 0x80000000 /* deprecated fp insn, gets a warning */ - - /* operand_types[i] describes the type of operand i. This is made - by OR'ing together all of the possible type masks. (e.g. - 'operand_types[i] = Reg|Imm' specifies that operand i can be - either a register or an immediate operand. */ - unsigned int operand_types[3]; - - /* operand_types[i] bits */ - /* register */ -#define Reg8 0x1 /* 8 bit reg */ -#define Reg16 0x2 /* 16 bit reg */ -#define Reg32 0x4 /* 32 bit reg */ -#define Reg64 0x8 /* 64 bit reg */ - /* immediate */ -#define Imm8 0x10 /* 8 bit immediate */ -#define Imm8S 0x20 /* 8 bit immediate sign extended */ -#define Imm16 0x40 /* 16 bit immediate */ -#define Imm32 0x80 /* 32 bit immediate */ -#define Imm32S 0x100 /* 32 bit immediate sign extended */ -#define Imm64 0x200 /* 64 bit immediate */ -#define Imm1 0x400 /* 1 bit immediate */ - /* memory */ -#define BaseIndex 0x800 - /* Disp8,16,32 are used in different ways, depending on the - instruction. For jumps, they specify the size of the PC relative - displacement, for baseindex type instructions, they specify the - size of the offset relative to the base register, and for memory - offset instructions such as `mov 1234,%al' they specify the size of - the offset relative to the segment base. */ -#define Disp8 0x1000 /* 8 bit displacement */ -#define Disp16 0x2000 /* 16 bit displacement */ -#define Disp32 0x4000 /* 32 bit displacement */ -#define Disp32S 0x8000 /* 32 bit signed displacement */ -#define Disp64 0x10000 /* 64 bit displacement */ - /* specials */ -#define InOutPortReg 0x20000 /* register to hold in/out port addr = dx */ -#define ShiftCount 0x40000 /* register to hold shift cound = cl */ -#define Control 0x80000 /* Control register */ -#define Debug 0x100000 /* Debug register */ -#define Test 0x200000 /* Test register */ -#define FloatReg 0x400000 /* Float register */ -#define FloatAcc 0x800000 /* Float stack top %st(0) */ -#define SReg2 0x1000000 /* 2 bit segment register */ -#define SReg3 0x2000000 /* 3 bit segment register */ -#define Acc 0x4000000 /* Accumulator %al or %ax or %eax */ -#define JumpAbsolute 0x8000000 -#define RegMMX 0x10000000 /* MMX register */ -#define RegXMM 0x20000000 /* XMM registers in PIII */ -#define EsSeg 0x40000000 /* String insn operand with fixed es segment */ - - /* InvMem is for instructions with a modrm byte that only allow a - general register encoding in the i.tm.mode and i.tm.regmem fields, - eg. control reg moves. They really ought to support a memory form, - but don't, so we add an InvMem flag to the register operand to - indicate that it should be encoded in the i.tm.regmem field. */ -#define InvMem 0x80000000 - -#define Reg (Reg8|Reg16|Reg32|Reg64) /* gen'l register */ -#define WordReg (Reg16|Reg32|Reg64) -#define ImplicitRegister (InOutPortReg|ShiftCount|Acc|FloatAcc) -#define Imm (Imm8|Imm8S|Imm16|Imm32S|Imm32|Imm64) /* gen'l immediate */ -#define EncImm (Imm8|Imm16|Imm32|Imm32S) /* Encodable gen'l immediate */ -#define Disp (Disp8|Disp16|Disp32|Disp32S|Disp64) /* General displacement */ -#define AnyMem (Disp8|Disp16|Disp32|Disp32S|BaseIndex|InvMem) /* General memory */ - /* The following aliases are defined because the opcode table - carefully specifies the allowed memory types for each instruction. - At the moment we can only tell a memory reference size by the - instruction suffix, so there's not much point in defining Mem8, - Mem16, Mem32 and Mem64 opcode modifiers - We might as well just use - the suffix directly to check memory operands. */ -#define LLongMem AnyMem /* 64 bits (or more) */ -#define LongMem AnyMem /* 32 bit memory ref */ -#define ShortMem AnyMem /* 16 bit memory ref */ -#define WordMem AnyMem /* 16 or 32 bit memory ref */ -#define ByteMem AnyMem /* 8 bit memory ref */ -} -template; - -/* - 'templates' is for grouping together 'template' structures for opcodes - of the same name. This is only used for storing the insns in the grand - ole hash table of insns. - The templates themselves start at START and range up to (but not including) - END. - */ -typedef struct -{ - const template *start; - const template *end; -} -templates; - -/* these are for register name --> number & type hash lookup */ -typedef struct -{ - char *reg_name; - unsigned int reg_type; - unsigned int reg_flags; -#define RegRex 0x1 /* Extended register. */ -#define RegRex64 0x2 /* Extended 8 bit register. */ - unsigned int reg_num; -} -reg_entry; - -typedef struct -{ - char *seg_name; - unsigned int seg_prefix; -} -seg_entry; - -/* 386 operand encoding bytes: see 386 book for details of this. */ -typedef struct -{ - unsigned int regmem; /* codes register or memory operand */ - unsigned int reg; /* codes register operand (or extended opcode) */ - unsigned int mode; /* how to interpret regmem & reg */ -} -modrm_byte; - -/* x86-64 extension prefix. */ -typedef int rex_byte; -#define REX_OPCODE 0x40 - -/* Indicates 64 bit operand size. */ -#define REX_MODE64 8 -/* High extension to reg field of modrm byte. */ -#define REX_EXTX 4 -/* High extension to SIB index field. */ -#define REX_EXTY 2 -/* High extension to base field of modrm or SIB, or reg field of opcode. */ -#define REX_EXTZ 1 - -/* 386 opcode byte to code indirect addressing. */ -typedef struct -{ - unsigned base; - unsigned index; - unsigned scale; -} -sib_byte; - -/* x86 arch names and features */ -typedef struct -{ - const char *name; /* arch name */ - unsigned int flags; /* cpu feature flags */ -} -arch_entry; - -/* 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) -extern void x86_cons PARAMS ((expressionS *, int)); -#endif - -#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) x86_cons_fix_new(FRAG, OFF, LEN, EXP) -extern void x86_cons_fix_new - PARAMS ((fragS *, unsigned int, unsigned int, expressionS *)); - -#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ - -#define NO_RELOC BFD_RELOC_NONE - -void i386_validate_fix PARAMS ((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 PARAMS ((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 does not need to be checked here because it is - not pcrel. I am not sure if some of the others are ever used with - pcrel, but it is easier to be safe than sorry. */ - -#define TC_FORCE_RELOCATION_LOCAL(FIX) \ - (!(FIX)->fx_pcrel \ - || (FIX)->fx_plt \ - || (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \ - || (FIX)->fx_r_type == BFD_RELOC_386_GOT32 \ - || (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \ - || 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 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 15 - -extern void i386_align_code PARAMS ((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 PARAMS ((FILE *)); -#define tc_print_statistics i386_print_statistics - -#define md_number_to_chars number_to_chars_littleendian - -#ifdef SCO_ELF -#define tc_init_after_args() sco_id () -extern void sco_id PARAMS ((void)); -#endif - -/* 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 - -#define tc_regname_to_dw2regnum tc_x86_regname_to_dw2regnum -extern int tc_x86_regname_to_dw2regnum PARAMS ((const char *regname)); - -#define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions -extern void tc_x86_frame_initial_instructions PARAMS ((void)); - -#define md_elf_section_type(str,len) i386_elf_section_type (str, len) -extern int i386_elf_section_type PARAMS ((const char *, size_t len)); - -/* Support for SHF_X86_64_LARGE */ -extern int x86_64_section_word PARAMS ((char *, size_t)); -extern int x86_64_section_letter PARAMS ((int letter, char **ptr_msg)); -#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 */ - -#endif /* TC_I386 */ |