1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* ELF object file format.
Copyright (C) 1992, 93, 94, 95, 96, 1997 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
#define OUTPUT_FLAVOR bfd_target_elf_flavour
#include <bfd.h>
#define BYTES_IN_WORD 4 /* for now */
#include "bfd/elf-bfd.h"
/* Additional information we keep for each symbol. */
struct elf_obj_sy
{
/* 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;
};
#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
#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))
#define S_GET_SIZE(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_size)
#define S_SET_SIZE(S,V) \
(elf_symbol((S)->bsym)->internal_elf_sym.st_size = (V))
#define S_GET_ALIGN(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_value)
#define S_SET_ALIGN(S,V) \
(elf_symbol ((S)->bsym)->internal_elf_sym.st_value = (V))
#define S_GET_OTHER(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_other)
#define S_SET_OTHER(S,V) \
(elf_symbol ((S)->bsym)->internal_elf_sym.st_other = (V))
extern asection *gdb_section;
#define obj_frob_file elf_frob_file
extern void elf_frob_file PARAMS ((void));
#define obj_frob_file_after_relocs elf_frob_file_after_relocs
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 PARAMS ((int));
extern void obj_elf_previous PARAMS ((int));
extern void obj_elf_version PARAMS ((int));
/* BFD wants to write the udata field, which is a no-no for the
globally defined sections. */
#define obj_sec_sym_ok_for_reloc(SEC) ((SEC)->owner != 0)
/* 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. */
#define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST,SRC) \
do \
{ \
S_SET_SIZE ((DEST), S_GET_SIZE (SRC)); \
S_SET_OTHER ((DEST), S_GET_OTHER (SRC)); \
} \
while (0)
/* 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)
/* 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;
/* 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))
#endif /* ECOFF_DEBUGGING */
extern void elf_frob_symbol PARAMS ((struct symbol *, int *));
#define obj_frob_symbol(symp, punt) elf_frob_symbol (symp, &punt)
extern void elf_pop_insert PARAMS ((void));
#define obj_pop_insert() elf_pop_insert()
#ifndef OBJ_MAYBE_ELF
#define obj_ecoff_set_ext elf_ecoff_set_ext
extern void elf_ecoff_set_ext ();
#endif
#endif /* _OBJ_ELF_H */
|
