X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-i386.h;h=069c2330da31de81e876bd2f0d931d3c55e99578;hb=0234cb7c70cd672825ac5760714792f64581ea22;hp=2c4cd16b1ebd3401ae4bd53eaaedf94fef74448e;hpb=a161fe53205dbc69d42f5a123b2b04346724b2de;p=binutils-gdb.git diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h index 2c4cd16b1eb..069c2330da3 100644 --- a/gas/config/tc-i386.h +++ b/gas/config/tc-i386.h @@ -1,6 +1,6 @@ /* tc-i386.h -- Header file for tc-i386.c Copyright 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002 + 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -23,6 +23,10 @@ #ifndef TC_I386 #define TC_I386 1 +#ifndef BFD_ASSEMBLER +#error So, do you know what you are doing? +#endif + #ifdef ANSI_PROTOTYPES struct fix; #endif @@ -33,7 +37,6 @@ struct fix; #define TARGET_FORMAT "coff-i386-lynx" #endif -#ifdef BFD_ASSEMBLER #define TARGET_ARCH bfd_arch_i386 #define TARGET_MACH (i386_mach ()) extern unsigned long i386_mach PARAMS ((void)); @@ -60,13 +63,20 @@ extern unsigned long i386_mach PARAMS ((void)); #define AOUT_TARGET_FORMAT "a.out-i386" #endif +#ifdef TE_FreeBSD +#define ELF_TARGET_FORMAT "elf32-i386-freebsd" +#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 "elf32-i386" +#define TARGET_FORMAT ELF_TARGET_FORMAT #endif #ifdef OBJ_AOUT #define TARGET_FORMAT AOUT_TARGET_FORMAT @@ -80,59 +90,6 @@ extern void i386_elf_emit_arch_note PARAMS ((void)); #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0 -#else /* ! BFD_ASSEMBLER */ - -/* COFF STUFF */ - -#define COFF_MAGIC I386MAGIC -#define BFD_ARCH bfd_arch_i386 -#define COFF_FLAGS F_AR32WR -#define TC_COUNT_RELOC(x) ((x)->fx_addsy || (x)->fx_r_type==7) -#define TC_COFF_FIX2RTYPE(FIX) tc_coff_fix2rtype(FIX) -extern short tc_coff_fix2rtype PARAMS ((struct fix *)); -#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep (frag) -extern int tc_coff_sizemachdep PARAMS ((fragS *frag)); - -#ifdef TE_GO32 -/* DJGPP now expects some sections to be 2**4 aligned. */ -#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \ - ((strcmp (obj_segment_name (SEG), ".text") == 0 \ - || strcmp (obj_segment_name (SEG), ".data") == 0 \ - || strcmp (obj_segment_name (SEG), ".bss") == 0 \ - || strncmp (obj_segment_name (SEG), ".gnu.linkonce.t", 15) == 0 \ - || strncmp (obj_segment_name (SEG), ".gnu.linkonce.d", 15) == 0 \ - || strncmp (obj_segment_name (SEG), ".gnu.linkonce.r", 15) == 0) \ - ? 4 \ - : 2) -#else -#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 2 -#endif - -#ifdef TE_386BSD -/* The BSDI linker apparently rejects objects with a machine type of - M_386 (100). */ -#define AOUT_MACHTYPE 0 -#else -#define AOUT_MACHTYPE 100 -#endif - -#ifndef OBJ_AOUT -#ifndef TE_PE -#ifndef TE_GO32 -/* Local labels starts with .L */ -#define LOCAL_LABEL(name) (name[0] == '.' \ - && (name[1] == 'L' || name[1] == 'X' || name[1] == '.')) -#endif -#endif -#endif - -#define tc_aout_pre_write_hook(x) {;} /* not used */ -#define tc_crawl_symbol_chain(a) {;} /* not used */ -#define tc_headers_hook(a) {;} /* not used */ -#define tc_coff_symbol_emit_hook(a) {;} /* not used */ - -#endif /* ! BFD_ASSEMBLER */ - #define LOCAL_LABELS_FB 1 extern const char extra_symbol_chars[]; @@ -236,13 +193,14 @@ typedef struct #define CpuSSE 0x1000 /* Streaming SIMD extensions required */ #define CpuSSE2 0x2000 /* Streaming SIMD extensions 2 required */ #define Cpu3dnow 0x4000 /* 3dnow! support required */ +#define CpuPNI 0x8000 /* Prescott 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|CpuSSE|CpuSSE2|Cpu3dnow|CpuK6|CpuAthlon) +#define CpuUnknownFlags (Cpu086|Cpu186|Cpu286|Cpu386|Cpu486|Cpu586|Cpu686|CpuP4|CpuSledgehammer|CpuMMX|CpuSSE|CpuSSE2|CpuPNI|Cpu3dnow|CpuK6|CpuAthlon) /* 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 @@ -451,7 +409,6 @@ extern void x86_cons_fix_new #define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ -#ifdef BFD_ASSEMBLER #define NO_RELOC BFD_RELOC_NONE void i386_validate_fix PARAMS ((struct fix *)); @@ -460,13 +417,18 @@ void i386_validate_fix PARAMS ((struct fix *)); #define tc_fix_adjustable(X) tc_i386_fix_adjustable(X) extern int tc_i386_fix_adjustable PARAMS ((struct fix *)); -#ifndef TE_PE /* Values passed to md_apply_fix3 don't include the symbol value. */ #define MD_APPLY_SYM_VALUE(FIX) 0 -#endif -#define TC_FORCE_RELOCATION(FIX) i386_force_relocation (FIX) -extern boolean i386_force_relocation PARAMS ((struct fix *)); +/* 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. @@ -483,30 +445,19 @@ extern boolean i386_force_relocation PARAMS ((struct fix *)); || (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \ || TC_FORCE_RELOCATION (FIX)) -#else /* ! BFD_ASSEMBLER */ - -#define NO_RELOC 0 - -#define TC_RVA_RELOC 7 - -/* Need this for PIC relocations */ -#define NEED_FX_R_TYPE - -#undef REVERSE_SORT_RELOCS - -/* For COFF. */ -#define TC_FORCE_RELOCATION(FIX) \ - ((FIX)->fx_r_type == 7 || S_FORCE_RELOC ((FIX)->fx_addsy)) -#endif /* ! BFD_ASSEMBLER */ - #define md_operand(x) 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 \ - && (!(fill) || ((char)*(fill) == (char)0x90 && (len) == 1)) \ +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)); \ @@ -533,4 +484,19 @@ void i386_print_statistics PARAMS ((FILE *)); 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)); + #endif /* TC_I386 */