X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-i386.h;h=b02a25671f5978546c5d7f6930ff09729796862e;hb=d241b91073165f99fe404d9b38c65f03835ecaf4;hp=ed8085018bcdbcce1870a8199367086994cd0e53;hpb=5ac8f2a23bdc87db533640b5fd06108b1f040bd0;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h index ed8085018b..b02a25671f 100644 --- a/gas/config/tc-i386.h +++ b/gas/config/tc-i386.h @@ -1,13 +1,11 @@ /* 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 - Free Software Foundation, Inc. + Copyright (C) 1989-2019 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) + 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, @@ -23,12 +21,15 @@ #ifndef TC_I386 #define TC_I386 1 +#include "opcodes/i386-opc.h" + struct fix; #define TARGET_BYTES_BIG_ENDIAN 0 -#define TARGET_ARCH bfd_arch_i386 +#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 @@ -58,6 +59,17 @@ extern unsigned long i386_mach (void); #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" +#elif defined TE_CLOUDABI +#define ELF_TARGET_FORMAT64 "elf64-x86-64-cloudabi" +#endif + +#ifdef TE_SOLARIS +#define ELF_TARGET_FORMAT "elf32-i386-sol2" +#define ELF_TARGET_FORMAT64 "elf64-x86-64-sol2" #endif #ifndef ELF_TARGET_FORMAT @@ -68,26 +80,42 @@ extern unsigned long i386_mach (void); #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 + +#ifndef ELF_TARGET_IAMCU_FORMAT +#define ELF_TARGET_IAMCU_FORMAT "elf32-iamcu" +#endif + #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ - || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) + || 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 OBJ_ELF -#define TARGET_FORMAT ELF_TARGET_FORMAT +#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 +/* '$' may be used as immediate prefix. */ +#undef LOCAL_LABELS_DOLLAR +#define LOCAL_LABELS_DOLLAR 0 +#undef LOCAL_LABELS_FB #define LOCAL_LABELS_FB 1 extern const char extra_symbol_chars[]; @@ -96,102 +124,6 @@ extern const char extra_symbol_chars[]; extern const char *i386_comment_chars; #define tc_comment_chars i386_comment_chars -/* Prefixes will be emitted in the order defined below. - WAIT_PREFIX must be the first prefix since FWAIT is really is an - instruction, and so must come before any prefixes. - The preferred prefix order is SEG_PREFIX, ADDR_PREFIX, DATA_PREFIX, - LOCKREP_PREFIX. */ -#define WAIT_PREFIX 0 -#define SEG_PREFIX 1 -#define ADDR_PREFIX 2 -#define DATA_PREFIX 3 -#define LOCKREP_PREFIX 4 -#define REX_PREFIX 5 /* must come last. */ -#define MAX_PREFIXES 6 /* max prefixes per opcode */ - -/* we define the syntax here (modulo base,index,scale syntax) */ -#define REGISTER_PREFIX '%' -#define IMMEDIATE_PREFIX '$' -#define ABSOLUTE_PREFIX '*' - -/* Byte to use for filling in frag_align_code. */ -#define NOP_OPCODE (char) 0x90 - -/* 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' - -#define END_OF_INSN '\0' - -/* - '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. - */ -struct template; - -typedef struct -{ - const struct template *start; - const struct template *end; -} -templates; - -/* 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; - -/* 386 opcode byte to code indirect addressing. */ -typedef struct -{ - unsigned base; - unsigned index; - unsigned scale; -} -sib_byte; - -enum processor_type -{ - PROCESSOR_UNKNOWN, - PROCESSOR_I486, - PROCESSOR_PENTIUM, - PROCESSOR_PENTIUMPRO, - PROCESSOR_PENTIUM4, - PROCESSOR_NOCONA, - PROCESSOR_CORE, - PROCESSOR_CORE2, - PROCESSOR_K6, - PROCESSOR_ATHLON, - PROCESSOR_K8, - PROCESSOR_GENERIC32, - PROCESSOR_GENERIC64, - PROCESSOR_AMDFAM10 -}; - -/* x86 arch names, types and features */ -typedef struct -{ - const char *name; /* arch name */ - enum processor_type type; /* arch type */ - 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 @@ -200,12 +132,16 @@ arch_entry; #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 (expressionS *, int); #endif +extern bfd_reloc_code_real_type x86_cons (expressionS *, int); -#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) x86_cons_fix_new(FRAG, OFF, LEN, EXP) +#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC) \ + x86_cons_fix_new(FRAG, OFF, LEN, EXP, RELOC) extern void x86_cons_fix_new - (fragS *, unsigned int, unsigned int, expressionS *); +(fragS *, unsigned int, unsigned int, expressionS *, bfd_reloc_code_real_type); + +#define TC_ADDRESS_BYTES x86_address_bytes +extern int x86_address_bytes (void); #define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ @@ -233,20 +169,28 @@ extern int tc_i386_fix_adjustable (struct fix *); /* 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. */ + 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_GOT32 \ - || (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \ - || TC_FORCE_RELOCATION (FIX)) +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + (GENERIC_FORCE_RELOCATION_LOCAL (FIX) \ + || (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 \ + || (FIX)->fx_r_type == BFD_RELOC_X86_64_GOTPCRELX \ + || (FIX)->fx_r_type == BFD_RELOC_X86_64_REX_GOTPCRELX) 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 @@ -264,28 +208,88 @@ if ((n) \ goto around; \ } -#define MAX_MEM_FOR_RS_ALIGN_CODE 15 - -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)); +#define MAX_MEM_FOR_RS_ALIGN_CODE (alignment ? ((1 << alignment) - 1) : 1) 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 -#ifdef SCO_ELF -#define tc_init_after_args() sco_id () -extern void sco_id (void); -#endif +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_IAMCU, + PROCESSOR_K6, + PROCESSOR_ATHLON, + PROCESSOR_K8, + PROCESSOR_GENERIC32, + PROCESSOR_GENERIC64, + PROCESSOR_AMDFAM10, + PROCESSOR_BD, + PROCESSOR_ZNVER, + 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; + unsigned int max_bytes; +}; + +/* 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, MAX_BYTES) \ + 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; \ + (FRAGP)->tc_frag_data.max_bytes = (MAX_BYTES); \ + } \ + while (0) #define WORKING_DOT_WORD 1 +/* How to generate NOPs for .nop direct directive. */ +extern void i386_generate_nops (fragS *, char *, offsetT, int); +#define md_generate_nops(frag, where, amount, control) \ + i386_generate_nops ((frag), (where), (amount), (control)) + +#define HANDLE_ALIGN(fragP) \ +if (fragP->fr_type == rs_align_code) \ + { \ + offsetT __count = (fragP->fr_next->fr_address \ + - fragP->fr_address \ + - fragP->fr_fix); \ + if (__count > 0 \ + && (unsigned int) __count <= fragP->tc_frag_data.max_bytes) \ + md_generate_nops (fragP, fragP->fr_literal + fragP->fr_fix, \ + __count, 0); \ + } + /* We want .cfi_* pseudo-ops for generating unwind info. */ #define TARGET_USE_CFIPOP 1 @@ -295,8 +299,11 @@ extern unsigned int 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 (char *); +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); @@ -304,12 +311,22 @@ 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 int x86_64_section_word (char *, size_t); -extern int x86_64_section_letter (int, char **); +extern bfd_vma x86_64_section_word (char *, size_t); +extern bfd_vma x86_64_section_letter (int, const 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) +#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) +extern void x86_cleanup (void); +#define md_cleanup() x86_cleanup () +#endif + #ifdef TE_PE #define O_secrel O_md1 @@ -319,4 +336,21 @@ 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 */