| /* ELF object file format. |
| Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 1999 |
| 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 1, 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, 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. */ |
| |
| |
| /* HP PA-RISC support was contributed by the Center for Software Science |
| at the University of Utah. */ |
| |
| #ifndef _OBJ_ELF_H |
| #define _OBJ_ELF_H |
| |
| #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" |
| |
| #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 */ |
| |
| /* 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 |
| |
| #ifndef FALSE |
| #define FALSE 0 |
| #define TRUE !FALSE |
| #endif |
| |
| #define obj_begin() elf_begin () |
| extern void elf_begin PARAMS ((void)); |
| |
| /* should be conditional on address size! */ |
| #define elf_symbol(asymbol) ((elf_symbol_type *)(&(asymbol)->the_bfd)) |
| |
| #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 (symbol_get_bfdsym (S))->internal_elf_sym.st_size = (V)) |
| #endif |
| |
| #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 (symbol_get_bfdsym (S))->internal_elf_sym.st_value = (V)) |
| #endif |
| |
| #define S_GET_OTHER(S) \ |
| (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_other) |
| #define S_SET_OTHER(S,V) \ |
| (elf_symbol (symbol_get_bfdsym (S))->internal_elf_sym.st_other = (V)) |
| |
| 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 |
| extern void elf_file_symbol PARAMS ((char *)); |
| |
| 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 |
| |
| /* 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 \ |
| { \ |
| struct elf_obj_sy *srcelf = symbol_get_obj (SRC); \ |
| struct elf_obj_sy *destelf = symbol_get_obj (DEST); \ |
| if (srcelf->size) \ |
| { \ |
| if (destelf->size == NULL) \ |
| destelf->size = \ |
| (expressionS *) xmalloc (sizeof (expressionS)); \ |
| *destelf->size = *srcelf->size; \ |
| } \ |
| else \ |
| { \ |
| 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 |
| |
| /* We need 12 bytes at the start of the section to hold some initial |
| information. */ |
| extern void obj_elf_init_stab_section PARAMS ((segT)); |
| #define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg) |
| |
| #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 |
| #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 ((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 ((symbolS *, struct ecoff_extr *)); |
| #endif |
| |
| #endif /* _OBJ_ELF_H */ |