diff options
Diffstat (limited to 'contrib/binutils/gas/config/obj-elf.h')
| -rw-r--r-- | contrib/binutils/gas/config/obj-elf.h | 161 |
1 files changed, 105 insertions, 56 deletions
diff --git a/contrib/binutils/gas/config/obj-elf.h b/contrib/binutils/gas/config/obj-elf.h index ff65790..722c5fd 100644 --- a/contrib/binutils/gas/config/obj-elf.h +++ b/contrib/binutils/gas/config/obj-elf.h @@ -1,5 +1,6 @@ /* ELF object file format. - Copyright (C) 1992, 93, 94, 95, 96, 1997 Free Software Foundation, Inc. + Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 99, 2000 + Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -27,39 +28,61 @@ #define OBJ_ELF 1 +#ifndef OUTPUT_FLAVOR #define OUTPUT_FLAVOR bfd_target_elf_flavour +#endif #include <bfd.h> #define BYTES_IN_WORD 4 /* for now */ #include "bfd/elf-bfd.h" -/* Additional information we keep for each symbol. */ +#include "targ-cpu.h" + +#ifdef TC_ALPHA +#define ECOFF_DEBUGGING alpha_flag_mdebug +extern int alpha_flag_mdebug; +#endif + +/* For now, always set ECOFF_DEBUGGING for a MIPS target. */ +#ifdef TC_MIPS +#ifdef MIPS_STABS_ELF +#define ECOFF_DEBUGGING 0 +#else +#define ECOFF_DEBUGGING 1 +#endif /* MIPS_STABS_ELF */ +#endif /* TC_MIPS */ + +#ifdef OBJ_MAYBE_ECOFF +#ifndef ECOFF_DEBUGGING +#define ECOFF_DEBUGGING 1 +#endif +#endif -/* FIXME: For some reason, this structure is needed both here and in - obj-multi.h. */ -#ifndef OBJ_SYMFIELD_TYPE +/* Additional information we keep for each symbol. */ struct elf_obj_sy { + /* Whether the symbol has been marked as local. */ + int local; + /* Use this to keep track of .size expressions that involve differences that we can't compute yet. */ expressionS *size; /* The name specified by the .symver directive. */ char *versioned_name; -}; + +#ifdef ECOFF_DEBUGGING + /* If we are generating ECOFF debugging information, we need some + additional fields for each symbol. */ + struct efdr *ecoff_file; + struct localsym *ecoff_symbol; + valueT ecoff_extern_size; #endif +}; #define OBJ_SYMFIELD_TYPE struct elf_obj_sy -/* Symbol fields used by the ELF back end. */ -#define ELF_TARGET_SYMBOL_FIELDS int local:1; - -/* Don't change this; change ELF_TARGET_SYMBOL_FIELDS instead. */ -#define TARGET_SYMBOL_FIELDS ELF_TARGET_SYMBOL_FIELDS - -#include "targ-cpu.h" - #ifndef FALSE #define FALSE 0 #define TRUE !FALSE @@ -71,24 +94,43 @@ extern void elf_begin PARAMS ((void)); /* should be conditional on address size! */ #define elf_symbol(asymbol) ((elf_symbol_type *)(&(asymbol)->the_bfd)) -#define S_GET_SIZE(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_size) +#ifndef S_GET_SIZE +#define S_GET_SIZE(S) \ + (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_size) +#endif +#ifndef S_SET_SIZE #define S_SET_SIZE(S,V) \ - (elf_symbol((S)->bsym)->internal_elf_sym.st_size = (V)) + (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_size = (V)) +#endif -#define S_GET_ALIGN(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_value) +#ifndef S_GET_ALIGN +#define S_GET_ALIGN(S) \ + (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_value) +#endif +#ifndef S_SET_ALIGN #define S_SET_ALIGN(S,V) \ - (elf_symbol ((S)->bsym)->internal_elf_sym.st_value = (V)) + (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_value = (V)) +#endif -#define S_GET_OTHER(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_other) +int elf_s_get_other PARAMS ((symbolS *)); +#ifndef S_GET_OTHER +#define S_GET_OTHER(S) (elf_s_get_other (S)) +#endif +#ifndef S_SET_OTHER #define S_SET_OTHER(S,V) \ - (elf_symbol ((S)->bsym)->internal_elf_sym.st_other = (V)) + (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_other = (V)) +#endif extern asection *gdb_section; +#ifndef obj_frob_file #define obj_frob_file elf_frob_file +#endif extern void elf_frob_file PARAMS ((void)); +#ifndef obj_frob_file_after_relocs #define obj_frob_file_after_relocs elf_frob_file_after_relocs +#endif extern void elf_frob_file_after_relocs PARAMS ((void)); #define obj_app_file elf_file_symbol @@ -99,34 +141,53 @@ extern void obj_elf_section_change_hook PARAMS ((void)); extern void obj_elf_section PARAMS ((int)); extern void obj_elf_previous PARAMS ((int)); extern void obj_elf_version PARAMS ((int)); +extern void obj_elf_common PARAMS ((int)); +extern void obj_elf_data PARAMS ((int)); +extern void obj_elf_text PARAMS ((int)); /* BFD wants to write the udata field, which is a no-no for the globally defined sections. */ +#ifndef obj_sec_sym_ok_for_reloc #define obj_sec_sym_ok_for_reloc(SEC) ((SEC)->owner != 0) +#endif + +void elf_obj_read_begin_hook PARAMS ((void)); +#ifndef obj_read_begin_hook +#define obj_read_begin_hook elf_obj_read_begin_hook +#endif + +void elf_obj_symbol_new_hook PARAMS ((symbolS *)); +#ifndef obj_symbol_new_hook +#define obj_symbol_new_hook elf_obj_symbol_new_hook +#endif /* When setting one symbol equal to another, by default we probably want them to have the same "size", whatever it means in the current context. */ +#ifndef OBJ_COPY_SYMBOL_ATTRIBUTES #define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST,SRC) \ do \ { \ - if ((SRC)->sy_obj.size) \ + struct elf_obj_sy *srcelf = symbol_get_obj (SRC); \ + struct elf_obj_sy *destelf = symbol_get_obj (DEST); \ + if (srcelf->size) \ { \ - if ((DEST)->sy_obj.size == NULL) \ - (DEST)->sy_obj.size = \ + if (destelf->size == NULL) \ + destelf->size = \ (expressionS *) xmalloc (sizeof (expressionS)); \ - *(DEST)->sy_obj.size = *(SRC)->sy_obj.size; \ + *destelf->size = *srcelf->size; \ } \ else \ { \ - if ((DEST)->sy_obj.size != NULL) \ - free ((DEST)->sy_obj.size); \ - (DEST)->sy_obj.size = NULL; \ + if (destelf->size != NULL) \ + free (destelf->size); \ + destelf->size = NULL; \ } \ S_SET_SIZE ((DEST), S_GET_SIZE (SRC)); \ S_SET_OTHER ((DEST), S_GET_OTHER (SRC)); \ } \ while (0) +#endif /* Stabs go in a separate section. */ #define SEPARATE_STAB_SECTIONS 1 @@ -136,51 +197,39 @@ while (0) extern void obj_elf_init_stab_section PARAMS ((segT)); #define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg) -/* For now, always set ECOFF_DEBUGGING for an Alpha target. */ -#ifdef TC_ALPHA -#define ECOFF_DEBUGGING 1 -#endif - -/* For now, always set ECOFF_DEBUGGING for a MIPS target. */ -#ifdef TC_MIPS -#define ECOFF_DEBUGGING 1 -#endif - -#if ECOFF_DEBUGGING - -/* If we are generating ECOFF debugging information, we need some - additional fields for each symbol. */ -#undef TARGET_SYMBOL_FIELDS -#define TARGET_SYMBOL_FIELDS \ - ELF_TARGET_SYMBOL_FIELDS \ - struct efdr *ecoff_file; \ - struct localsym *ecoff_symbol; \ - valueT ecoff_extern_size; - +#ifdef ECOFF_DEBUGGING /* We smuggle stabs in ECOFF rather than using a separate section. The Irix linker can not handle a separate stabs section. */ -#undef SEPARATE_STAB_SECTIONS -#undef INIT_STAB_SECTION -#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \ - ecoff_stab ((seg), (what), (string), (type), (other), (desc)) -#define OBJ_GENERATE_ASM_LINENO(filename, lineno) \ - ecoff_generate_asm_lineno ((filename), (lineno)) +#undef SEPARATE_STAB_SECTIONS +#define SEPARATE_STAB_SECTIONS (!ECOFF_DEBUGGING) +#undef INIT_STAB_SECTION +#define INIT_STAB_SECTION(seg) \ + ((void)(ECOFF_DEBUGGING ? 0 : (obj_elf_init_stab_section (seg), 0))) + +#undef OBJ_PROCESS_STAB +#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \ + if (ECOFF_DEBUGGING) \ + ecoff_stab ((seg), (what), (string), (type), (other), (desc)) #endif /* ECOFF_DEBUGGING */ -extern void elf_frob_symbol PARAMS ((struct symbol *, int *)); +extern void elf_frob_symbol PARAMS ((symbolS *, int *)); +#ifndef obj_frob_symbol #define obj_frob_symbol(symp, punt) elf_frob_symbol (symp, &punt) +#endif extern void elf_pop_insert PARAMS ((void)); +#ifndef obj_pop_insert #define obj_pop_insert() elf_pop_insert() +#endif #ifndef OBJ_MAYBE_ELF #define obj_ecoff_set_ext elf_ecoff_set_ext #ifdef ANSI_PROTOTYPES struct ecoff_extr; #endif -extern void elf_ecoff_set_ext PARAMS ((struct symbol *, struct ecoff_extr *)); +extern void elf_ecoff_set_ext PARAMS ((symbolS *, struct ecoff_extr *)); #endif #endif /* _OBJ_ELF_H */ |
