x86-64.h revision 1.9
1/* x86_64 ELF support for BFD.
2   Copyright (C) 2000-2020 Free Software Foundation, Inc.
3   Contributed by Jan Hubicka <jh@suse.cz>
4
5   This file is part of BFD, the Binary File Descriptor library.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software Foundation,
19   Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
20
21#ifndef _ELF_X86_64_H
22#define _ELF_X86_64_H
23
24#include "elf/reloc-macros.h"
25
26START_RELOC_NUMBERS (elf_x86_64_reloc_type)
27     RELOC_NUMBER (R_X86_64_NONE,     0)      /* No reloc */
28     RELOC_NUMBER (R_X86_64_64,       1)      /* Direct 64 bit  */
29     RELOC_NUMBER (R_X86_64_PC32,     2)      /* PC relative 32 bit signed */
30     RELOC_NUMBER (R_X86_64_GOT32,    3)      /* 32 bit GOT entry */
31     RELOC_NUMBER (R_X86_64_PLT32,    4)      /* 32 bit PLT address */
32     RELOC_NUMBER (R_X86_64_COPY,     5)      /* Copy symbol at runtime */
33     RELOC_NUMBER (R_X86_64_GLOB_DAT, 6)      /* Create GOT entry */
34     RELOC_NUMBER (R_X86_64_JUMP_SLOT,7)      /* Create PLT entry */
35     RELOC_NUMBER (R_X86_64_RELATIVE, 8)      /* Adjust by program base */
36     RELOC_NUMBER (R_X86_64_GOTPCREL, 9)      /* 32 bit signed pc relative
37                                                 offset to GOT entry */
38     RELOC_NUMBER (R_X86_64_32,       10)     /* Direct 32 bit zero extended */
39     RELOC_NUMBER (R_X86_64_32S,      11)     /* Direct 32 bit sign extended */
40     RELOC_NUMBER (R_X86_64_16,       12)     /* Direct 16 bit zero extended */
41     RELOC_NUMBER (R_X86_64_PC16,     13)     /* 16 bit sign extended pc relative*/
42     RELOC_NUMBER (R_X86_64_8,        14)     /* Direct 8 bit sign extended */
43     RELOC_NUMBER (R_X86_64_PC8,      15)     /* 8 bit sign extended pc relative*/
44     RELOC_NUMBER (R_X86_64_DTPMOD64, 16)     /* ID of module containing symbol */
45     RELOC_NUMBER (R_X86_64_DTPOFF64, 17)     /* Offset in TLS block */
46     RELOC_NUMBER (R_X86_64_TPOFF64,  18)     /* Offset in initial TLS block */
47     RELOC_NUMBER (R_X86_64_TLSGD,    19)     /* PC relative offset to GD GOT block */
48     RELOC_NUMBER (R_X86_64_TLSLD,    20)     /* PC relative offset to LD GOT block */
49     RELOC_NUMBER (R_X86_64_DTPOFF32, 21)     /* Offset in TLS block */
50     RELOC_NUMBER (R_X86_64_GOTTPOFF, 22)     /* PC relative offset to IE GOT entry */
51     RELOC_NUMBER (R_X86_64_TPOFF32,  23)     /* Offset in initial TLS block */
52     RELOC_NUMBER (R_X86_64_PC64,     24)     /* PC relative 64 bit */
53     RELOC_NUMBER (R_X86_64_GOTOFF64, 25)     /* 64 bit offset to GOT */
54     RELOC_NUMBER (R_X86_64_GOTPC32,  26)     /* 32 bit signed pc relative
55                                                 offset to GOT */
56     RELOC_NUMBER (R_X86_64_GOT64,    27)     /* 64 bit GOT entry offset */
57     RELOC_NUMBER (R_X86_64_GOTPCREL64, 28)   /* 64 bit signed pc relative
58     						 offset to GOT entry */
59     RELOC_NUMBER (R_X86_64_GOTPC64,  29)     /* 64 bit signed pc relative
60     						 offset to GOT */
61     RELOC_NUMBER (R_X86_64_GOTPLT64, 30)     /* Obsolete. The same as GOT64. */
62     RELOC_NUMBER (R_X86_64_PLTOFF64, 31)     /* 64 bit GOT relative offset
63     						 to PLT entry */
64     RELOC_NUMBER (R_X86_64_SIZE32,   32)     /* 32-bit symbol size */
65     RELOC_NUMBER (R_X86_64_SIZE64,   33)     /* 64-bit symbol size */
66     RELOC_NUMBER (R_X86_64_GOTPC32_TLSDESC, 34)
67					      /* 32 bit signed pc relative
68						 offset to TLS descriptor
69						 in the GOT.  */
70     RELOC_NUMBER (R_X86_64_TLSDESC_CALL, 35) /* Relaxable call through TLS
71						 descriptor.  */
72     RELOC_NUMBER (R_X86_64_TLSDESC, 36)      /* 2x64-bit TLS descriptor.  */
73     RELOC_NUMBER (R_X86_64_IRELATIVE, 37)    /* Adjust indirectly by program base */
74     RELOC_NUMBER (R_X86_64_RELATIVE64, 38)   /* 64bit adjust by program base */
75     RELOC_NUMBER (R_X86_64_PC32_BND, 39)     /* PC relative 32 bit
76						 signed with BND prefix  */
77     RELOC_NUMBER (R_X86_64_PLT32_BND, 40)    /* 32 bit PLT address with
78						 BND prefix */
79     /* Load from 32 bit signed pc relative offset to GOT entry without
80	REX prefix, relaxable.  */
81     RELOC_NUMBER (R_X86_64_GOTPCRELX, 41)
82     /* Load from 32 bit signed pc relative offset to GOT entry with
83	REX prefix, relaxable.  */
84     RELOC_NUMBER (R_X86_64_REX_GOTPCRELX, 42)
85     RELOC_NUMBER (R_X86_64_GNU_VTINHERIT, 250)       /* GNU C++ hack  */
86     RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251)         /* GNU C++ hack  */
87END_RELOC_NUMBERS (R_X86_64_max)
88
89/* Processor specific section types.  */
90
91#define SHT_X86_64_UNWIND	0x70000001	/* unwind information */
92
93/* Like SHN_COMMON but the symbol will be allocated in the .lbss
94   section.  */
95#define SHN_X86_64_LCOMMON 	(SHN_LORESERVE + 2)
96
97#define SHF_X86_64_LARGE	0x10000000
98#endif
99