1 /* ELF object file format.
2 Copyright (C) 1992, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
6 GAS is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 1, or (at your option)
11 GAS is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GAS; see the file COPYING. If not, write to the Free
18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 /* HP PA-RISC support was contributed by the Center for Software Science
23 at the University of Utah. */
30 #define OUTPUT_FLAVOR bfd_target_elf_flavour
34 #define BYTES_IN_WORD 4 /* for now */
35 #include "bfd/elf-bfd.h"
37 /* Additional information we keep for each symbol. */
41 /* Use this to keep track of .size expressions that involve
42 differences that we can't compute yet. */
45 /* The name specified by the .symver directive. */
49 #define OBJ_SYMFIELD_TYPE struct elf_obj_sy
51 /* Symbol fields used by the ELF back end. */
52 #define ELF_TARGET_SYMBOL_FIELDS int local:1;
54 /* Don't change this; change ELF_TARGET_SYMBOL_FIELDS instead. */
55 #define TARGET_SYMBOL_FIELDS ELF_TARGET_SYMBOL_FIELDS
64 #define obj_begin() elf_begin ()
65 extern void elf_begin
PARAMS ((void));
67 /* should be conditional on address size! */
68 #define elf_symbol(asymbol) ((elf_symbol_type *)(&(asymbol)->the_bfd))
70 #define S_GET_SIZE(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_size)
71 #define S_SET_SIZE(S,V) \
72 (elf_symbol((S)->bsym)->internal_elf_sym.st_size = (V))
74 #define S_GET_ALIGN(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_value)
75 #define S_SET_ALIGN(S,V) \
76 (elf_symbol ((S)->bsym)->internal_elf_sym.st_value = (V))
78 #define S_GET_OTHER(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_other)
79 #define S_SET_OTHER(S,V) \
80 (elf_symbol ((S)->bsym)->internal_elf_sym.st_other = (V))
82 extern asection
*gdb_section
;
84 #define obj_frob_file elf_frob_file
85 extern void elf_frob_file
PARAMS ((void));
87 #define obj_frob_file_after_relocs elf_frob_file_after_relocs
88 extern void elf_frob_file_after_relocs
PARAMS ((void));
90 #define obj_app_file elf_file_symbol
91 extern void elf_file_symbol
PARAMS ((char *));
93 extern void obj_elf_section
PARAMS ((int));
94 extern void obj_elf_previous
PARAMS ((int));
95 extern void obj_elf_version
PARAMS ((int));
97 /* BFD wants to write the udata field, which is a no-no for the
98 globally defined sections. */
99 #define obj_sec_sym_ok_for_reloc(SEC) ((SEC)->owner != 0)
101 /* When setting one symbol equal to another, by default we probably
102 want them to have the same "size", whatever it means in the current
104 #define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST,SRC) \
107 S_SET_SIZE ((DEST), S_GET_SIZE (SRC)); \
108 S_SET_OTHER ((DEST), S_GET_OTHER (SRC)); \
112 /* Stabs go in a separate section. */
113 #define SEPARATE_STAB_SECTIONS 1
115 /* We need 12 bytes at the start of the section to hold some initial
117 extern void obj_elf_init_stab_section
PARAMS ((segT
));
118 #define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg)
120 /* For now, always set ECOFF_DEBUGGING for an Alpha target. */
122 #define ECOFF_DEBUGGING 1
125 /* For now, always set ECOFF_DEBUGGING for a MIPS target. */
127 #define ECOFF_DEBUGGING 1
132 /* If we are generating ECOFF debugging information, we need some
133 additional fields for each symbol. */
134 #undef TARGET_SYMBOL_FIELDS
135 #define TARGET_SYMBOL_FIELDS \
136 ELF_TARGET_SYMBOL_FIELDS \
137 struct efdr *ecoff_file; \
138 struct localsym *ecoff_symbol; \
139 valueT ecoff_extern_size;
141 /* We smuggle stabs in ECOFF rather than using a separate section.
142 The Irix linker can not handle a separate stabs section. */
143 #undef SEPARATE_STAB_SECTIONS
144 #undef INIT_STAB_SECTION
145 #define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \
146 ecoff_stab ((seg), (what), (string), (type), (other), (desc))
148 #define OBJ_GENERATE_ASM_LINENO(filename, lineno) \
149 ecoff_generate_asm_lineno ((filename), (lineno))
151 #endif /* ECOFF_DEBUGGING */
153 extern void elf_frob_symbol
PARAMS ((struct symbol
*, int *));
154 #define obj_frob_symbol(symp, punt) elf_frob_symbol (symp, &punt)
156 extern void elf_pop_insert
PARAMS ((void));
157 #define obj_pop_insert() elf_pop_insert()
159 #ifndef OBJ_MAYBE_ELF
160 #define obj_ecoff_set_ext elf_ecoff_set_ext
161 extern void elf_ecoff_set_ext ();
164 #endif /* _OBJ_ELF_H */