1 /* PPC ELF support for BFD.
2 Copyright 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2005
3 Free Software Foundation, Inc.
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).
9 This file is part of BFD, the Binary File Descriptor library.
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 2 of the License, or
14 (at your option) any later version.
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.
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, MA 02110-1301, USA. */
25 /* This file holds definitions specific to the PPC ELF ABI. Note
26 that most of this is not actually implemented by BFD. */
31 #include "elf/reloc-macros.h"
34 START_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)
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)
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)
123 /* Fake relocations for branch stubs, only used internally by ld. */
124 #define R_PPC_RELAX32 245
125 #define R_PPC_RELAX32PC 246
126 #define R_PPC_RELAX32_PLT 247
127 #define R_PPC_RELAX32PC_PLT 248
129 /* These are GNU extensions used in PIC code sequences. */
130 RELOC_NUMBER (R_PPC_REL16
, 249)
131 RELOC_NUMBER (R_PPC_REL16_LO
, 250)
132 RELOC_NUMBER (R_PPC_REL16_HI
, 251)
133 RELOC_NUMBER (R_PPC_REL16_HA
, 252)
135 /* These are GNU extensions to enable C++ vtable garbage collection. */
136 RELOC_NUMBER (R_PPC_GNU_VTINHERIT
, 253)
137 RELOC_NUMBER (R_PPC_GNU_VTENTRY
, 254)
139 /* This is a phony reloc to handle any old fashioned TOC16 references
140 that may still be in object files. */
141 RELOC_NUMBER (R_PPC_TOC16
, 255)
143 END_RELOC_NUMBERS (R_PPC_max
)
145 #define IS_PPC_TLS_RELOC(R) \
146 ((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
148 /* Specify the value of _GLOBAL_OFFSET_TABLE_. */
149 #define DT_PPC_GOT DT_LOPROC
151 /* Processor specific flags for the ELF header e_flags field. */
153 #define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */
155 #define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */
156 #define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */
158 /* Processor specific section headers, sh_type field. */
160 #define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \
161 entries in this section \
162 based on the address \
163 specified in the associated \
164 symbol table entry. */
166 /* Processor specific section flags, sh_flags field. */
168 #define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
169 this section from executable \
170 and shared objects that it \
171 builds when those objects \
172 are not to be furhter \
174 #endif /* _ELF_PPC_H */
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