1 /* Intel 80386/80486-specific support for 32-bit ELF
2 Copyright 1993 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program 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 2 of the License, or
9 (at your option) any later version.
11 This program 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 this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21 * This file contains changes from the Open Software Foundation.
29 #define USE_REL 1 /* 386 uses REL relocations instead of RELA */
35 R_386_GOT32
, R_386_PLT32
,
37 R_386_GLOB_DAT
, R_386_JUMP_SLOT
,
39 R_386_GOTOFF
, R_386_GOTPC
,
44 static CONST
char *CONST reloc_type_names
[] =
47 "R_386_32", "R_386_PC32",
48 "R_386_GOT32", "R_386_PLT32",
50 "R_386_GLOB_DAT", "R_386_JUMP_SLOT",
52 "R_386_GOTOFF", "R_386_GOTPC",
57 static reloc_howto_type elf_howto_table
[]=
59 HOWTO(R_386_NONE
, 0,0, 0,false,0, complain_overflow_dont
, 0,"R_386_NONE", false,0x00000000,0x00000000,false),
60 HOWTO(R_386_32
, 0,2,32,false,0, complain_overflow_bitfield
, 0,"R_386_32", false,0xffffffff,0xffffffff,false),
61 HOWTO(R_386_PC32
, 0,2,32,true, 0, complain_overflow_signed
, 0,"R_386_PC32", false,0xffffffff,0xffffffff,false),
62 HOWTO(R_386_GOT32
, 0,2,32,false,0, complain_overflow_bitfield
, 0,"R_386_GOT32",false,0xffffffff,0xffffffff,false)
65 #ifdef DEBUG_GEN_RELOC
66 #define TRACE(str) fprintf (stderr, "i386 bfd reloc lookup %d (%s)\n", code, str)
71 static CONST
struct reloc_howto_struct
*
72 DEFUN (elf_i386_reloc_type_lookup
, (abfd
, code
),
74 bfd_reloc_code_real_type code
)
79 TRACE ("BFD_RELOC_NONE");
80 return &elf_howto_table
[ (int)R_386_NONE
];
83 TRACE ("BFD_RELOC_32");
84 return &elf_howto_table
[ (int)R_386_32
];
86 case BFD_RELOC_32_PCREL
:
87 TRACE ("BFD_RELOC_PC32");
88 return &elf_howto_table
[ (int)R_386_PC32
];
99 DEFUN(elf_i386_info_to_howto
, (abfd
, cache_ptr
, dst
),
101 arelent
*cache_ptr AND
102 Elf32_Internal_Rela
*dst
)
104 BFD_ASSERT (ELF32_R_TYPE(dst
->r_info
) < R_386_GOT32
);
106 cache_ptr
->howto
= &elf_howto_table
[ELF32_R_TYPE(dst
->r_info
)];
110 DEFUN(elf_i386_info_to_howto_rel
, (abfd
, cache_ptr
, dst
),
112 arelent
*cache_ptr AND
113 Elf32_Internal_Rel
*dst
)
115 BFD_ASSERT (ELF32_R_TYPE(dst
->r_info
) < R_386_GOT32
);
117 cache_ptr
->howto
= &elf_howto_table
[ELF32_R_TYPE(dst
->r_info
)];
120 #define TARGET_LITTLE_SYM bfd_elf32_i386_vec
121 #define TARGET_LITTLE_NAME "elf32-i386"
122 #define ELF_ARCH bfd_arch_i386
123 #define elf_info_to_howto elf_i386_info_to_howto
124 #define elf_info_to_howto_rel elf_i386_info_to_howto_rel
125 #define bfd_elf32_bfd_reloc_type_lookup elf_i386_reloc_type_lookup
127 #include "elf32-target.h"