Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* PPC ELF support for BFD. |
c3aa17e9 | 2 | Copyright 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2005 |
1df2fdb5 | 3 | Free Software Foundation, Inc. |
252b5132 RH |
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 | ||
9 | This file is part of BFD, the Binary File Descriptor library. | |
10 | ||
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. | |
15 | ||
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. | |
20 | ||
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 | |
e172dbf8 | 23 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
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. */ | |
34 | START_RELOC_NUMBERS (elf_ppc_reloc_type) | |
5255ffd3 AM |
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) | |
94856796 | 76 | RELOC_NUMBER (R_PPC_DTPMOD32, 68) |
5255ffd3 AM |
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) | |
94856796 | 81 | RELOC_NUMBER (R_PPC_TPREL32, 73) |
5255ffd3 AM |
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) | |
94856796 | 86 | RELOC_NUMBER (R_PPC_DTPREL32, 78) |
5255ffd3 AM |
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) | |
abd0e9cb | 103 | |
252b5132 RH |
104 | /* The remaining relocs are from the Embedded ELF ABI, and are not |
105 | in the SVR4 ELF ABI. */ | |
5255ffd3 AM |
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) | |
252b5132 | 122 | |
2df98d85 AM |
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 | |
128 | ||
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) | |
deaaf2f3 EC |
134 | |
135 | /* These are GNU extensions to enable C++ vtable garbage collection. */ | |
5255ffd3 AM |
136 | RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253) |
137 | RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254) | |
252b5132 RH |
138 | |
139 | /* This is a phony reloc to handle any old fashioned TOC16 references | |
140 | that may still be in object files. */ | |
5255ffd3 | 141 | RELOC_NUMBER (R_PPC_TOC16, 255) |
252b5132 | 142 | |
1b452ec6 | 143 | END_RELOC_NUMBERS (R_PPC_max) |
252b5132 | 144 | |
94856796 AM |
145 | #define IS_PPC_TLS_RELOC(R) \ |
146 | ((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA) | |
19397422 | 147 | |
1fe44d79 AM |
148 | /* Specify the value of _GLOBAL_OFFSET_TABLE_. */ |
149 | #define DT_PPC_GOT DT_LOPROC | |
2df98d85 | 150 | |
252b5132 RH |
151 | /* Processor specific flags for the ELF header e_flags field. */ |
152 | ||
7e984c81 | 153 | #define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */ |
252b5132 | 154 | |
7e984c81 NC |
155 | #define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */ |
156 | #define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */ | |
252b5132 | 157 | |
7e984c81 | 158 | /* Processor specific section headers, sh_type field. */ |
252b5132 RH |
159 | |
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. */ | |
165 | ||
7e984c81 | 166 | /* Processor specific section flags, sh_flags field. */ |
252b5132 RH |
167 | |
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 \ | |
173 | relocated. */ | |
174 | #endif /* _ELF_PPC_H */ |