source: trunk/binutils/include/elf/ppc.h@ 2580

Last change on this file since 2580 was 610, checked in by bird, 22 years ago

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which included commits to RCS files with non-trunk default branches.
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1/* PPC ELF support for BFD.
2 Copyright 1995, 1996, 1998, 2000, 2001, 2002, 2003
3 Free Software Foundation, Inc.
4
5 By Michael Meissner, Cygnus Support, <meissner@cygnus.com>, from information
6 in the System V Application Binary Interface, PowerPC Processor Supplement
7 and the PowerPC Embedded Application Binary Interface (eabi).
8
9This file is part of BFD, the Binary File Descriptor library.
10
11This program is free software; you can redistribute it and/or modify
12it under the terms of the GNU General Public License as published by
13the Free Software Foundation; either version 2 of the License, or
14(at your option) any later version.
15
16This program is distributed in the hope that it will be useful,
17but WITHOUT ANY WARRANTY; without even the implied warranty of
18MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19GNU General Public License for more details.
20
21You should have received a copy of the GNU General Public License
22along with this program; if not, write to the Free Software
23Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24
25/* This file holds definitions specific to the PPC ELF ABI. Note
26 that most of this is not actually implemented by BFD. */
27
28#ifndef _ELF_PPC_H
29#define _ELF_PPC_H
30
31#include "elf/reloc-macros.h"
32
33/* Relocations. */
34START_RELOC_NUMBERS (elf_ppc_reloc_type)
35 RELOC_NUMBER (R_PPC_NONE, 0)
36 RELOC_NUMBER (R_PPC_ADDR32, 1)
37 RELOC_NUMBER (R_PPC_ADDR24, 2)
38 RELOC_NUMBER (R_PPC_ADDR16, 3)
39 RELOC_NUMBER (R_PPC_ADDR16_LO, 4)
40 RELOC_NUMBER (R_PPC_ADDR16_HI, 5)
41 RELOC_NUMBER (R_PPC_ADDR16_HA, 6)
42 RELOC_NUMBER (R_PPC_ADDR14, 7)
43 RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8)
44 RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9)
45 RELOC_NUMBER (R_PPC_REL24, 10)
46 RELOC_NUMBER (R_PPC_REL14, 11)
47 RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12)
48 RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13)
49 RELOC_NUMBER (R_PPC_GOT16, 14)
50 RELOC_NUMBER (R_PPC_GOT16_LO, 15)
51 RELOC_NUMBER (R_PPC_GOT16_HI, 16)
52 RELOC_NUMBER (R_PPC_GOT16_HA, 17)
53 RELOC_NUMBER (R_PPC_PLTREL24, 18)
54 RELOC_NUMBER (R_PPC_COPY, 19)
55 RELOC_NUMBER (R_PPC_GLOB_DAT, 20)
56 RELOC_NUMBER (R_PPC_JMP_SLOT, 21)
57 RELOC_NUMBER (R_PPC_RELATIVE, 22)
58 RELOC_NUMBER (R_PPC_LOCAL24PC, 23)
59 RELOC_NUMBER (R_PPC_UADDR32, 24)
60 RELOC_NUMBER (R_PPC_UADDR16, 25)
61 RELOC_NUMBER (R_PPC_REL32, 26)
62 RELOC_NUMBER (R_PPC_PLT32, 27)
63 RELOC_NUMBER (R_PPC_PLTREL32, 28)
64 RELOC_NUMBER (R_PPC_PLT16_LO, 29)
65 RELOC_NUMBER (R_PPC_PLT16_HI, 30)
66 RELOC_NUMBER (R_PPC_PLT16_HA, 31)
67 RELOC_NUMBER (R_PPC_SDAREL16, 32)
68 RELOC_NUMBER (R_PPC_SECTOFF, 33)
69 RELOC_NUMBER (R_PPC_SECTOFF_LO, 34)
70 RELOC_NUMBER (R_PPC_SECTOFF_HI, 35)
71 RELOC_NUMBER (R_PPC_SECTOFF_HA, 36)
72 RELOC_NUMBER (R_PPC_ADDR30, 37)
73
74 /* Relocs added to support TLS. */
75 RELOC_NUMBER (R_PPC_TLS, 67)
76 RELOC_NUMBER (R_PPC_DTPMOD32, 68)
77 RELOC_NUMBER (R_PPC_TPREL16, 69)
78 RELOC_NUMBER (R_PPC_TPREL16_LO, 70)
79 RELOC_NUMBER (R_PPC_TPREL16_HI, 71)
80 RELOC_NUMBER (R_PPC_TPREL16_HA, 72)
81 RELOC_NUMBER (R_PPC_TPREL32, 73)
82 RELOC_NUMBER (R_PPC_DTPREL16, 74)
83 RELOC_NUMBER (R_PPC_DTPREL16_LO, 75)
84 RELOC_NUMBER (R_PPC_DTPREL16_HI, 76)
85 RELOC_NUMBER (R_PPC_DTPREL16_HA, 77)
86 RELOC_NUMBER (R_PPC_DTPREL32, 78)
87 RELOC_NUMBER (R_PPC_GOT_TLSGD16, 79)
88 RELOC_NUMBER (R_PPC_GOT_TLSGD16_LO, 80)
89 RELOC_NUMBER (R_PPC_GOT_TLSGD16_HI, 81)
90 RELOC_NUMBER (R_PPC_GOT_TLSGD16_HA, 82)
91 RELOC_NUMBER (R_PPC_GOT_TLSLD16, 83)
92 RELOC_NUMBER (R_PPC_GOT_TLSLD16_LO, 84)
93 RELOC_NUMBER (R_PPC_GOT_TLSLD16_HI, 85)
94 RELOC_NUMBER (R_PPC_GOT_TLSLD16_HA, 86)
95 RELOC_NUMBER (R_PPC_GOT_TPREL16, 87)
96 RELOC_NUMBER (R_PPC_GOT_TPREL16_LO, 88)
97 RELOC_NUMBER (R_PPC_GOT_TPREL16_HI, 89)
98 RELOC_NUMBER (R_PPC_GOT_TPREL16_HA, 90)
99 RELOC_NUMBER (R_PPC_GOT_DTPREL16, 91)
100 RELOC_NUMBER (R_PPC_GOT_DTPREL16_LO, 92)
101 RELOC_NUMBER (R_PPC_GOT_DTPREL16_HI, 93)
102 RELOC_NUMBER (R_PPC_GOT_DTPREL16_HA, 94)
103
104/* The remaining relocs are from the Embedded ELF ABI, and are not
105 in the SVR4 ELF ABI. */
106 RELOC_NUMBER (R_PPC_EMB_NADDR32, 101)
107 RELOC_NUMBER (R_PPC_EMB_NADDR16, 102)
108 RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103)
109 RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104)
110 RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105)
111 RELOC_NUMBER (R_PPC_EMB_SDAI16, 106)
112 RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107)
113 RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108)
114 RELOC_NUMBER (R_PPC_EMB_SDA21, 109)
115 RELOC_NUMBER (R_PPC_EMB_MRKREF, 110)
116 RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111)
117 RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112)
118 RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113)
119 RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114)
120 RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115)
121 RELOC_NUMBER (R_PPC_EMB_RELSDA, 116)
122
123 /* These are GNU extensions to enable C++ vtable garbage collection. */
124 RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253)
125 RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254)
126
127/* This is a phony reloc to handle any old fashioned TOC16 references
128 that may still be in object files. */
129 RELOC_NUMBER (R_PPC_TOC16, 255)
130
131END_RELOC_NUMBERS (R_PPC_max)
132
133#define IS_PPC_TLS_RELOC(R) \
134 ((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
135
136/* Processor specific flags for the ELF header e_flags field. */
137
138#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */
139
140#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */
141#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */
142
143/* Processor specific section headers, sh_type field. */
144
145#define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \
146 entries in this section \
147 based on the address \
148 specified in the associated \
149 symbol table entry. */
150
151/* Processor specific section flags, sh_flags field. */
152
153#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
154 this section from executable \
155 and shared objects that it \
156 builds when those objects \
157 are not to be furhter \
158 relocated. */
159#endif /* _ELF_PPC_H */
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