DT_FLAGS_1: Add Solaris bits
[deliverable/binutils-gdb.git] / include / elf / ppc.h
CommitLineData
252b5132 1/* PPC ELF support for BFD.
219d1afa 2 Copyright (C) 1995-2018 Free Software Foundation, Inc.
252b5132 3
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NC
4 By Michael Meissner, Cygnus Support, <meissner@cygnus.com>,
5 from information in the System V Application Binary Interface,
6 PowerPC Processor Supplement and the PowerPC Embedded Application
7 Binary Interface (eabi).
252b5132 8
e4e42b45 9 This file is part of BFD, the Binary File Descriptor library.
252b5132 10
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NC
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
252b5132 15
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16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
252b5132 20
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NC
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
24 MA 02110-1301, USA. */
252b5132
RH
25
26/* This file holds definitions specific to the PPC ELF ABI. Note
27 that most of this is not actually implemented by BFD. */
28
29#ifndef _ELF_PPC_H
30#define _ELF_PPC_H
31
32#include "elf/reloc-macros.h"
33
34/* Relocations. */
35START_RELOC_NUMBERS (elf_ppc_reloc_type)
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AM
36 RELOC_NUMBER (R_PPC_NONE, 0)
37 RELOC_NUMBER (R_PPC_ADDR32, 1)
38 RELOC_NUMBER (R_PPC_ADDR24, 2)
39 RELOC_NUMBER (R_PPC_ADDR16, 3)
40 RELOC_NUMBER (R_PPC_ADDR16_LO, 4)
41 RELOC_NUMBER (R_PPC_ADDR16_HI, 5)
42 RELOC_NUMBER (R_PPC_ADDR16_HA, 6)
43 RELOC_NUMBER (R_PPC_ADDR14, 7)
44 RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8)
45 RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9)
46 RELOC_NUMBER (R_PPC_REL24, 10)
47 RELOC_NUMBER (R_PPC_REL14, 11)
48 RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12)
49 RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13)
50 RELOC_NUMBER (R_PPC_GOT16, 14)
51 RELOC_NUMBER (R_PPC_GOT16_LO, 15)
52 RELOC_NUMBER (R_PPC_GOT16_HI, 16)
53 RELOC_NUMBER (R_PPC_GOT16_HA, 17)
54 RELOC_NUMBER (R_PPC_PLTREL24, 18)
55 RELOC_NUMBER (R_PPC_COPY, 19)
56 RELOC_NUMBER (R_PPC_GLOB_DAT, 20)
57 RELOC_NUMBER (R_PPC_JMP_SLOT, 21)
58 RELOC_NUMBER (R_PPC_RELATIVE, 22)
59 RELOC_NUMBER (R_PPC_LOCAL24PC, 23)
60 RELOC_NUMBER (R_PPC_UADDR32, 24)
61 RELOC_NUMBER (R_PPC_UADDR16, 25)
62 RELOC_NUMBER (R_PPC_REL32, 26)
63 RELOC_NUMBER (R_PPC_PLT32, 27)
64 RELOC_NUMBER (R_PPC_PLTREL32, 28)
65 RELOC_NUMBER (R_PPC_PLT16_LO, 29)
66 RELOC_NUMBER (R_PPC_PLT16_HI, 30)
67 RELOC_NUMBER (R_PPC_PLT16_HA, 31)
68 RELOC_NUMBER (R_PPC_SDAREL16, 32)
69 RELOC_NUMBER (R_PPC_SECTOFF, 33)
70 RELOC_NUMBER (R_PPC_SECTOFF_LO, 34)
71 RELOC_NUMBER (R_PPC_SECTOFF_HI, 35)
72 RELOC_NUMBER (R_PPC_SECTOFF_HA, 36)
73 RELOC_NUMBER (R_PPC_ADDR30, 37)
74
e054468f 75#ifndef RELOC_MACROS_GEN_FUNC
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76/* Relocations only used internally by ld. If you need to use these
77 reloc numbers, you can change them to some other unused value
78 without affecting the ABI. They will never appear in object files. */
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AM
79 RELOC_NUMBER (R_PPC_RELAX, 48)
80 RELOC_NUMBER (R_PPC_RELAX_PLT, 49)
81 RELOC_NUMBER (R_PPC_RELAX_PLTREL24, 50)
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82/* Reloc only used internally by gas. As above, value is unimportant. */
83 RELOC_NUMBER (R_PPC_16DX_HA, 51)
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84#endif
85
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86 /* Relocs added to support TLS. */
87 RELOC_NUMBER (R_PPC_TLS, 67)
94856796 88 RELOC_NUMBER (R_PPC_DTPMOD32, 68)
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89 RELOC_NUMBER (R_PPC_TPREL16, 69)
90 RELOC_NUMBER (R_PPC_TPREL16_LO, 70)
91 RELOC_NUMBER (R_PPC_TPREL16_HI, 71)
92 RELOC_NUMBER (R_PPC_TPREL16_HA, 72)
94856796 93 RELOC_NUMBER (R_PPC_TPREL32, 73)
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AM
94 RELOC_NUMBER (R_PPC_DTPREL16, 74)
95 RELOC_NUMBER (R_PPC_DTPREL16_LO, 75)
96 RELOC_NUMBER (R_PPC_DTPREL16_HI, 76)
97 RELOC_NUMBER (R_PPC_DTPREL16_HA, 77)
94856796 98 RELOC_NUMBER (R_PPC_DTPREL32, 78)
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AM
99 RELOC_NUMBER (R_PPC_GOT_TLSGD16, 79)
100 RELOC_NUMBER (R_PPC_GOT_TLSGD16_LO, 80)
101 RELOC_NUMBER (R_PPC_GOT_TLSGD16_HI, 81)
102 RELOC_NUMBER (R_PPC_GOT_TLSGD16_HA, 82)
103 RELOC_NUMBER (R_PPC_GOT_TLSLD16, 83)
104 RELOC_NUMBER (R_PPC_GOT_TLSLD16_LO, 84)
105 RELOC_NUMBER (R_PPC_GOT_TLSLD16_HI, 85)
106 RELOC_NUMBER (R_PPC_GOT_TLSLD16_HA, 86)
107 RELOC_NUMBER (R_PPC_GOT_TPREL16, 87)
108 RELOC_NUMBER (R_PPC_GOT_TPREL16_LO, 88)
109 RELOC_NUMBER (R_PPC_GOT_TPREL16_HI, 89)
110 RELOC_NUMBER (R_PPC_GOT_TPREL16_HA, 90)
111 RELOC_NUMBER (R_PPC_GOT_DTPREL16, 91)
112 RELOC_NUMBER (R_PPC_GOT_DTPREL16_LO, 92)
113 RELOC_NUMBER (R_PPC_GOT_DTPREL16_HI, 93)
114 RELOC_NUMBER (R_PPC_GOT_DTPREL16_HA, 94)
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AM
115 RELOC_NUMBER (R_PPC_TLSGD, 95)
116 RELOC_NUMBER (R_PPC_TLSLD, 96)
abd0e9cb 117
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118/* The remaining relocs are from the Embedded ELF ABI, and are not
119 in the SVR4 ELF ABI. */
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120 RELOC_NUMBER (R_PPC_EMB_NADDR32, 101)
121 RELOC_NUMBER (R_PPC_EMB_NADDR16, 102)
122 RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103)
123 RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104)
124 RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105)
125 RELOC_NUMBER (R_PPC_EMB_SDAI16, 106)
126 RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107)
127 RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108)
128 RELOC_NUMBER (R_PPC_EMB_SDA21, 109)
129 RELOC_NUMBER (R_PPC_EMB_MRKREF, 110)
130 RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111)
131 RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112)
132 RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113)
133 RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114)
134 RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115)
135 RELOC_NUMBER (R_PPC_EMB_RELSDA, 116)
252b5132 136
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137/* PowerPC VLE relocations. */
138 RELOC_NUMBER (R_PPC_VLE_REL8, 216)
139 RELOC_NUMBER (R_PPC_VLE_REL15, 217)
140 RELOC_NUMBER (R_PPC_VLE_REL24, 218)
141 RELOC_NUMBER (R_PPC_VLE_LO16A, 219)
142 RELOC_NUMBER (R_PPC_VLE_LO16D, 220)
143 RELOC_NUMBER (R_PPC_VLE_HI16A, 221)
144 RELOC_NUMBER (R_PPC_VLE_HI16D, 222)
145 RELOC_NUMBER (R_PPC_VLE_HA16A, 223)
146 RELOC_NUMBER (R_PPC_VLE_HA16D, 224)
147 RELOC_NUMBER (R_PPC_VLE_SDA21, 225)
148 RELOC_NUMBER (R_PPC_VLE_SDA21_LO, 226)
149 RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16A, 227)
150 RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16D, 228)
151 RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16A, 229)
152 RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16D, 230)
153 RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16A, 231)
154 RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16D, 232)
83eef883 155 RELOC_NUMBER (R_PPC_VLE_ADDR20, 233)
b9c361e0 156
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157/* Power9 split rel16 for addpcis. */
158 RELOC_NUMBER (R_PPC_REL16DX_HA, 246)
159
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160/* Support STT_GNU_IFUNC plt calls. */
161 RELOC_NUMBER (R_PPC_IRELATIVE, 248)
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162
163/* These are GNU extensions used in PIC code sequences. */
164 RELOC_NUMBER (R_PPC_REL16, 249)
165 RELOC_NUMBER (R_PPC_REL16_LO, 250)
166 RELOC_NUMBER (R_PPC_REL16_HI, 251)
167 RELOC_NUMBER (R_PPC_REL16_HA, 252)
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168
169/* These are GNU extensions to enable C++ vtable garbage collection. */
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170 RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253)
171 RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254)
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172
173/* This is a phony reloc to handle any old fashioned TOC16 references
174 that may still be in object files. */
5255ffd3 175 RELOC_NUMBER (R_PPC_TOC16, 255)
252b5132 176
1b452ec6 177END_RELOC_NUMBERS (R_PPC_max)
252b5132 178
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179#define IS_PPC_TLS_RELOC(R) \
180 ((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
19397422 181
1fe44d79 182/* Specify the value of _GLOBAL_OFFSET_TABLE_. */
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183#define DT_PPC_GOT (DT_LOPROC)
184
185/* Specify that tls descriptors should be optimized. */
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186#define DT_PPC_OPT (DT_LOPROC + 1)
187#define PPC_OPT_TLS 1
2df98d85 188
252b5132
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189/* Processor specific flags for the ELF header e_flags field. */
190
7e984c81 191#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */
252b5132 192
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193#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */
194#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */
252b5132 195
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196/* Processor specific program headers, p_flags field. */
197#define PF_PPC_VLE 0x10000000 /* PowerPC VLE. */
198
199/* Processor specific section headers, sh_flags field. */
200#define SHF_PPC_VLE 0x10000000 /* PowerPC VLE text section. */
ae17ab41 201
7e984c81 202/* Processor specific section headers, sh_type field. */
252b5132
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203
204#define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \
205 entries in this section \
206 based on the address \
207 specified in the associated \
208 symbol table entry. */
209
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AM
210/* APUinfo note section. */
211#define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo"
212#define APUINFO_LABEL "APUinfo"
213
214#define PPC_APUINFO_ISEL 0x40
215#define PPC_APUINFO_PMR 0x41
216#define PPC_APUINFO_RFMCI 0x42
217#define PPC_APUINFO_CACHELCK 0x43
218#define PPC_APUINFO_SPE 0x100
219#define PPC_APUINFO_EFS 0x101
220#define PPC_APUINFO_BRLOCK 0x102
221#define PPC_APUINFO_VLE 0x104
222
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JM
223/* Object attribute tags. */
224enum
225{
226 /* 0-3 are generic. */
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227
228 /* FP ABI, low 2 bits:
229 1 for double precision hard-float,
230 2 for soft-float,
231 3 for single precision hard-float.
232 0 for not tagged or not using any ABIs affected by the differences.
233 Next 2 bits:
234 1 for ibm long double
235 2 for 64-bit long double
236 3 for IEEE long double.
237 0 for not tagged or not using any ABIs affected by the differences. */
238 Tag_GNU_Power_ABI_FP = 4,
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DJ
239
240 /* Value 1 for general purpose registers only, 2 for AltiVec
241 registers, 3 for SPE registers; 0 for not tagged or not using any
242 ABIs affected by the differences. */
243 Tag_GNU_Power_ABI_Vector = 8,
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244
245 /* Value 1 for ABIs using r3/r4 for returning structures <= 8 bytes,
246 2 for ABIs using memory; 0 for not tagged or not using any ABIs
247 affected by the differences. */
248 Tag_GNU_Power_ABI_Struct_Return = 12
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JM
249};
250
252b5132 251#endif /* _ELF_PPC_H */
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