X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gas%2Fconfig%2Fobj-elf.h;h=641a37320dcd932f7b9348525ba3daf164c9657d;hb=530556a951f5feea7e2101f7cd5b51255c727ac0;hp=e3ad1b9c497800eb11a3e0f97130f729904c0798;hpb=6f89cd429cdb276e9da1473f485a75a001a3c9b1;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/obj-elf.h b/gas/config/obj-elf.h index e3ad1b9c49..641a37320d 100644 --- a/gas/config/obj-elf.h +++ b/gas/config/obj-elf.h @@ -1,11 +1,12 @@ /* ELF object file format. - Copyright (C) 1992, 1993 Free Software Foundation, Inc. + Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 + 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) + 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, @@ -14,9 +15,9 @@ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ - + 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. */ @@ -26,93 +27,224 @@ #define OBJ_ELF 1 -#include +/* Note that all macros in this file should be wrapped in #ifndef, for + sake of obj-multi.h which includes this file. */ + +#ifndef OUTPUT_FLAVOR +#define OUTPUT_FLAVOR bfd_target_elf_flavour +#endif + +#include "bfd.h" #define BYTES_IN_WORD 4 /* for now */ -#include "../bfd/libelf.h" +#include "bfd/elf-bfd.h" + +#include "targ-cpu.h" + +#ifdef TC_ALPHA +#define ECOFF_DEBUGGING (alpha_flag_mdebug > 0) +extern int alpha_flag_mdebug; +#endif + +/* For now, always set ECOFF_DEBUGGING for a MIPS target. */ +#ifdef TC_MIPS +#define ECOFF_DEBUGGING mips_flag_mdebug +extern int mips_flag_mdebug; +#endif /* TC_MIPS */ + +#ifdef OBJ_MAYBE_ECOFF +#ifndef ECOFF_DEBUGGING +#define ECOFF_DEBUGGING 1 +#endif +#endif + +/* 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; unsigned long sy_name_offset; +#define ELF_TARGET_SYMBOL_FIELDS int local:1; /* Don't change this; change ELF_TARGET_SYMBOL_FIELDS instead. */ +#ifndef TARGET_SYMBOL_FIELDS #define TARGET_SYMBOL_FIELDS ELF_TARGET_SYMBOL_FIELDS +#endif -#include "targ-cpu.h" +/* #include "targ-cpu.h" */ #ifndef FALSE #define FALSE 0 #define TRUE !FALSE #endif +#ifndef obj_begin +#define obj_begin() elf_begin () +#endif +extern void elf_begin PARAMS ((void)); + /* should be conditional on address size! */ -#define elf_symbol(asymbol) ((elf_symbol_type *)(&(asymbol)->the_bfd)) +#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 -extern asection *gdb_section; +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 (symbol_get_bfdsym (S))->internal_elf_sym.st_other = (V)) +#endif -/* Copy over the function bit and size of a forwarded symbol. */ -#define obj_frob_forward_symbol(sym) \ - (((sym)->bsym->flags |= \ - ((sym)->sy_value.X_add_symbol->bsym->flags & BSF_FUNCTION)), \ - S_SET_SIZE ((sym), S_GET_SIZE ((sym)->sy_value.X_add_symbol))) +extern asection *gdb_section; -#define obj_frob_file() elf_frob_file() +#ifndef obj_sec_set_private_data +#define obj_sec_set_private_data(B, S) \ + if (! BFD_SEND ((B), _new_section_hook, ((B), (S)))) \ + as_fatal (_("can't allocate ELF private section data: %s"), \ + bfd_errmsg (bfd_get_error ())) +#endif +#ifndef obj_frob_file +#define obj_frob_file elf_frob_file +#endif extern void elf_frob_file PARAMS ((void)); -extern void elf_file_symbol PARAMS ((char *)); + +#ifndef obj_frob_file_before_adjust +#define obj_frob_file_before_adjust elf_frob_file_before_adjust +#endif +extern void elf_frob_file_before_adjust 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)); + +#ifndef obj_app_file +#define obj_app_file elf_file_symbol +#endif +extern void elf_file_symbol PARAMS ((const 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)); +extern void obj_elf_change_section + PARAMS ((const char *, int, int, int, const char *, int, int)); +extern struct fix *obj_elf_vtable_inherit PARAMS ((int)); +extern struct fix *obj_elf_vtable_entry PARAMS ((int)); /* BFD wants to write the udata field, which is a no-no for the - globally defined sections. */ + predefined section symbols in bfd/section.c. They are read-only. */ +#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 + +void elf_copy_symbol_attributes PARAMS ((symbolS *, symbolS *)); +#ifndef OBJ_COPY_SYMBOL_ATTRIBUTES +#define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST, SRC) \ + (elf_copy_symbol_attributes (DEST, SRC)) +#endif + +#ifndef SEPARATE_STAB_SECTIONS +/* Avoid ifndef each separate macro setting by wrapping the whole of the + stab group on the assumption that whoever sets SEPARATE_STAB_SECTIONS + caters to ECOFF_DEBUGGING and the right setting of INIT_STAB_SECTIONS + and OBJ_PROCESS_STAB too, without needing the tweaks below. */ /* Stabs go in a separate section. */ -#define SEPARATE_STAB_SECTIONS +#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) -/* For now, always set ECOFF_DEBUGGING for a MIPS target. */ -#ifdef TC_MIPS -#define ECOFF_DEBUGGING -#endif - #ifdef 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; - /* 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(what, string, type, other, desc) \ - ecoff_stab ((what), (string), (type), (other), (desc)) -#define OBJ_GENERATE_ASM_LINE_STAB(lineno) \ - ecoff_generate_asm_line_stab ((lineno)) +#undef SEPARATE_STAB_SECTIONS +#define SEPARATE_STAB_SECTIONS (!ECOFF_DEBUGGING) -/* ECOFF requires that we call the ecoff_frob_symbol hook. */ -#define obj_frob_symbol(symp, punt) ecoff_frob_symbol (symp) +#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 */ +#endif /* SEPARATE_STAB_SECTIONS not defined. */ + +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 */