projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 252b5132 | 1 | /* PPC ELF support for BFD. |
| 727fc41e | 2 | Copyright 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2005, 2007, 2008, |
| e4e42b45 | 3 | 2009, 2010 Free Software Foundation, Inc. |
| 252b5132 | 4 | |
| e4e42b45 NC |
5 | By Michael Meissner, Cygnus Support, <meissner@cygnus.com>, |
| 6 | from information in the System V Application Binary Interface, | |
| 7 | PowerPC Processor Supplement and the PowerPC Embedded Application | |
| 8 | Binary Interface (eabi). | |
| 252b5132 | 9 | |
| e4e42b45 | 10 | This file is part of BFD, the Binary File Descriptor library. |
| 252b5132 | 11 | |
| e4e42b45 NC |
12 | This program is free software; you can redistribute it and/or modify |
| 13 | it under the terms of the GNU General Public License as published by | |
| 14 | the Free Software Foundation; either version 3 of the License, or | |
| 15 | (at your option) any later version. | |
| 252b5132 | 16 | |
| e4e42b45 NC |
17 | This program is distributed in the hope that it will be useful, |
| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 | GNU General Public License for more details. | |
| 252b5132 | 21 | |
| e4e42b45 NC |
22 | You should have received a copy of the GNU General Public License |
| 23 | along with this program; if not, write to the Free Software | |
| 24 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
| 25 | MA 02110-1301, USA. */ | |
| 252b5132 RH |
26 | |
| 27 | /* This file holds definitions specific to the PPC ELF ABI. Note | |
| 28 | that most of this is not actually implemented by BFD. */ | |
| 29 | ||
| 30 | #ifndef _ELF_PPC_H | |
| 31 | #define _ELF_PPC_H | |
| 32 | ||
| 33 | #include "elf/reloc-macros.h" | |
| 34 | ||
| 35 | /* Relocations. */ | |
| 36 | START_RELOC_NUMBERS (elf_ppc_reloc_type) | |
| 5255ffd3 AM |
37 | RELOC_NUMBER (R_PPC_NONE, 0) |
| 38 | RELOC_NUMBER (R_PPC_ADDR32, 1) | |
| 39 | RELOC_NUMBER (R_PPC_ADDR24, 2) | |
| 40 | RELOC_NUMBER (R_PPC_ADDR16, 3) | |
| 41 | RELOC_NUMBER (R_PPC_ADDR16_LO, 4) | |
| 42 | RELOC_NUMBER (R_PPC_ADDR16_HI, 5) | |
| 43 | RELOC_NUMBER (R_PPC_ADDR16_HA, 6) | |
| 44 | RELOC_NUMBER (R_PPC_ADDR14, 7) | |
| 45 | RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8) | |
| 46 | RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9) | |
| 47 | RELOC_NUMBER (R_PPC_REL24, 10) | |
| 48 | RELOC_NUMBER (R_PPC_REL14, 11) | |
| 49 | RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12) | |
| 50 | RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13) | |
| 51 | RELOC_NUMBER (R_PPC_GOT16, 14) | |
| 52 | RELOC_NUMBER (R_PPC_GOT16_LO, 15) | |
| 53 | RELOC_NUMBER (R_PPC_GOT16_HI, 16) | |
| 54 | RELOC_NUMBER (R_PPC_GOT16_HA, 17) | |
| 55 | RELOC_NUMBER (R_PPC_PLTREL24, 18) | |
| 56 | RELOC_NUMBER (R_PPC_COPY, 19) | |
| 57 | RELOC_NUMBER (R_PPC_GLOB_DAT, 20) | |
| 58 | RELOC_NUMBER (R_PPC_JMP_SLOT, 21) | |
| 59 | RELOC_NUMBER (R_PPC_RELATIVE, 22) | |
| 60 | RELOC_NUMBER (R_PPC_LOCAL24PC, 23) | |
| 61 | RELOC_NUMBER (R_PPC_UADDR32, 24) | |
| 62 | RELOC_NUMBER (R_PPC_UADDR16, 25) | |
| 63 | RELOC_NUMBER (R_PPC_REL32, 26) | |
| 64 | RELOC_NUMBER (R_PPC_PLT32, 27) | |
| 65 | RELOC_NUMBER (R_PPC_PLTREL32, 28) | |
| 66 | RELOC_NUMBER (R_PPC_PLT16_LO, 29) | |
| 67 | RELOC_NUMBER (R_PPC_PLT16_HI, 30) | |
| 68 | RELOC_NUMBER (R_PPC_PLT16_HA, 31) | |
| 69 | RELOC_NUMBER (R_PPC_SDAREL16, 32) | |
| 70 | RELOC_NUMBER (R_PPC_SECTOFF, 33) | |
| 71 | RELOC_NUMBER (R_PPC_SECTOFF_LO, 34) | |
| 72 | RELOC_NUMBER (R_PPC_SECTOFF_HI, 35) | |
| 73 | RELOC_NUMBER (R_PPC_SECTOFF_HA, 36) | |
| 74 | RELOC_NUMBER (R_PPC_ADDR30, 37) | |
| 75 | ||
| e054468f AM |
76 | #ifndef RELOC_MACROS_GEN_FUNC |
| 77 | /* Fake relocations for branch stubs, only used internally by ld. */ | |
| 32af9f6e AM |
78 | RELOC_NUMBER (R_PPC_RELAX, 48) |
| 79 | RELOC_NUMBER (R_PPC_RELAX_PLT, 49) | |
| 80 | RELOC_NUMBER (R_PPC_RELAX_PLTREL24, 50) | |
| e054468f AM |
81 | #endif |
| 82 | ||
| 5255ffd3 AM |
83 | /* Relocs added to support TLS. */ |
| 84 | RELOC_NUMBER (R_PPC_TLS, 67) | |
| 94856796 | 85 | RELOC_NUMBER (R_PPC_DTPMOD32, 68) |
| 5255ffd3 AM |
86 | RELOC_NUMBER (R_PPC_TPREL16, 69) |
| 87 | RELOC_NUMBER (R_PPC_TPREL16_LO, 70) | |
| 88 | RELOC_NUMBER (R_PPC_TPREL16_HI, 71) | |
| 89 | RELOC_NUMBER (R_PPC_TPREL16_HA, 72) | |
| 94856796 | 90 | RELOC_NUMBER (R_PPC_TPREL32, 73) |
| 5255ffd3 AM |
91 | RELOC_NUMBER (R_PPC_DTPREL16, 74) |
| 92 | RELOC_NUMBER (R_PPC_DTPREL16_LO, 75) | |
| 93 | RELOC_NUMBER (R_PPC_DTPREL16_HI, 76) | |
| 94 | RELOC_NUMBER (R_PPC_DTPREL16_HA, 77) | |
| 94856796 | 95 | RELOC_NUMBER (R_PPC_DTPREL32, 78) |
| 5255ffd3 AM |
96 | RELOC_NUMBER (R_PPC_GOT_TLSGD16, 79) |
| 97 | RELOC_NUMBER (R_PPC_GOT_TLSGD16_LO, 80) | |
| 98 | RELOC_NUMBER (R_PPC_GOT_TLSGD16_HI, 81) | |
| 99 | RELOC_NUMBER (R_PPC_GOT_TLSGD16_HA, 82) | |
| 100 | RELOC_NUMBER (R_PPC_GOT_TLSLD16, 83) | |
| 101 | RELOC_NUMBER (R_PPC_GOT_TLSLD16_LO, 84) | |
| 102 | RELOC_NUMBER (R_PPC_GOT_TLSLD16_HI, 85) | |
| 103 | RELOC_NUMBER (R_PPC_GOT_TLSLD16_HA, 86) | |
| 104 | RELOC_NUMBER (R_PPC_GOT_TPREL16, 87) | |
| 105 | RELOC_NUMBER (R_PPC_GOT_TPREL16_LO, 88) | |
| 106 | RELOC_NUMBER (R_PPC_GOT_TPREL16_HI, 89) | |
| 107 | RELOC_NUMBER (R_PPC_GOT_TPREL16_HA, 90) | |
| 108 | RELOC_NUMBER (R_PPC_GOT_DTPREL16, 91) | |
| 109 | RELOC_NUMBER (R_PPC_GOT_DTPREL16_LO, 92) | |
| 110 | RELOC_NUMBER (R_PPC_GOT_DTPREL16_HI, 93) | |
| 111 | RELOC_NUMBER (R_PPC_GOT_DTPREL16_HA, 94) | |
| 727fc41e AM |
112 | RELOC_NUMBER (R_PPC_TLSGD, 95) |
| 113 | RELOC_NUMBER (R_PPC_TLSLD, 96) | |
| abd0e9cb | 114 | |
| 252b5132 RH |
115 | /* The remaining relocs are from the Embedded ELF ABI, and are not |
| 116 | in the SVR4 ELF ABI. */ | |
| 5255ffd3 AM |
117 | RELOC_NUMBER (R_PPC_EMB_NADDR32, 101) |
| 118 | RELOC_NUMBER (R_PPC_EMB_NADDR16, 102) | |
| 119 | RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103) | |
| 120 | RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104) | |
| 121 | RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105) | |
| 122 | RELOC_NUMBER (R_PPC_EMB_SDAI16, 106) | |
| 123 | RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107) | |
| 124 | RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108) | |
| 125 | RELOC_NUMBER (R_PPC_EMB_SDA21, 109) | |
| 126 | RELOC_NUMBER (R_PPC_EMB_MRKREF, 110) | |
| 127 | RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111) | |
| 128 | RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112) | |
| 129 | RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113) | |
| 130 | RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114) | |
| 131 | RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115) | |
| 132 | RELOC_NUMBER (R_PPC_EMB_RELSDA, 116) | |
| 252b5132 | 133 | |
| b9c361e0 JL |
134 | /* PowerPC VLE relocations. */ |
| 135 | RELOC_NUMBER (R_PPC_VLE_REL8, 216) | |
| 136 | RELOC_NUMBER (R_PPC_VLE_REL15, 217) | |
| 137 | RELOC_NUMBER (R_PPC_VLE_REL24, 218) | |
| 138 | RELOC_NUMBER (R_PPC_VLE_LO16A, 219) | |
| 139 | RELOC_NUMBER (R_PPC_VLE_LO16D, 220) | |
| 140 | RELOC_NUMBER (R_PPC_VLE_HI16A, 221) | |
| 141 | RELOC_NUMBER (R_PPC_VLE_HI16D, 222) | |
| 142 | RELOC_NUMBER (R_PPC_VLE_HA16A, 223) | |
| 143 | RELOC_NUMBER (R_PPC_VLE_HA16D, 224) | |
| 144 | RELOC_NUMBER (R_PPC_VLE_SDA21, 225) | |
| 145 | RELOC_NUMBER (R_PPC_VLE_SDA21_LO, 226) | |
| 146 | RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16A, 227) | |
| 147 | RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16D, 228) | |
| 148 | RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16A, 229) | |
| 149 | RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16D, 230) | |
| 150 | RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16A, 231) | |
| 151 | RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16D, 232) | |
| 152 | ||
| e054468f AM |
153 | /* Support STT_GNU_IFUNC plt calls. */ |
| 154 | RELOC_NUMBER (R_PPC_IRELATIVE, 248) | |
| 2df98d85 AM |
155 | |
| 156 | /* These are GNU extensions used in PIC code sequences. */ | |
| 157 | RELOC_NUMBER (R_PPC_REL16, 249) | |
| 158 | RELOC_NUMBER (R_PPC_REL16_LO, 250) | |
| 159 | RELOC_NUMBER (R_PPC_REL16_HI, 251) | |
| 160 | RELOC_NUMBER (R_PPC_REL16_HA, 252) | |
| deaaf2f3 EC |
161 | |
| 162 | /* These are GNU extensions to enable C++ vtable garbage collection. */ | |
| 5255ffd3 AM |
163 | RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253) |
| 164 | RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254) | |
| 252b5132 RH |
165 | |
| 166 | /* This is a phony reloc to handle any old fashioned TOC16 references | |
| 167 | that may still be in object files. */ | |
| 5255ffd3 | 168 | RELOC_NUMBER (R_PPC_TOC16, 255) |
| 252b5132 | 169 | |
| 1b452ec6 | 170 | END_RELOC_NUMBERS (R_PPC_max) |
| 252b5132 | 171 | |
| 94856796 AM |
172 | #define IS_PPC_TLS_RELOC(R) \ |
| 173 | ((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA) | |
| 19397422 | 174 | |
| 1fe44d79 | 175 | /* Specify the value of _GLOBAL_OFFSET_TABLE_. */ |
| a7f2871e AM |
176 | #define DT_PPC_GOT (DT_LOPROC) |
| 177 | ||
| 178 | /* Specify that tls descriptors should be optimized. */ | |
| 179 | #define DT_PPC_TLSOPT (DT_LOPROC + 1) | |
| 2df98d85 | 180 | |
| 252b5132 RH |
181 | /* Processor specific flags for the ELF header e_flags field. */ |
| 182 | ||
| 7e984c81 | 183 | #define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */ |
| 252b5132 | 184 | |
| 7e984c81 NC |
185 | #define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */ |
| 186 | #define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */ | |
| 252b5132 | 187 | |
| b9c361e0 JL |
188 | /* Processor specific program headers, p_flags field. */ |
| 189 | #define PF_PPC_VLE 0x10000000 /* PowerPC VLE. */ | |
| 190 | ||
| 191 | /* Processor specific section headers, sh_flags field. */ | |
| 192 | #define SHF_PPC_VLE 0x10000000 /* PowerPC VLE text section. */ | |
| ae17ab41 | 193 | |
| 7e984c81 | 194 | /* Processor specific section headers, sh_type field. */ |
| 252b5132 RH |
195 | |
| 196 | #define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \ | |
| 197 | entries in this section \ | |
| 198 | based on the address \ | |
| 199 | specified in the associated \ | |
| 200 | symbol table entry. */ | |
| 201 | ||
| 34c8bcba JM |
202 | /* Object attribute tags. */ |
| 203 | enum | |
| 204 | { | |
| 205 | /* 0-3 are generic. */ | |
| 206 | Tag_GNU_Power_ABI_FP = 4, /* Value 1 for hard-float, 2 for | |
| 3c7b9897 AM |
207 | soft-float, 3 for single=precision |
| 208 | hard-float; 0 for not tagged or not | |
| 34c8bcba JM |
209 | using any ABIs affected by the |
| 210 | differences. */ | |
| c6e65352 DJ |
211 | |
| 212 | /* Value 1 for general purpose registers only, 2 for AltiVec | |
| 213 | registers, 3 for SPE registers; 0 for not tagged or not using any | |
| 214 | ABIs affected by the differences. */ | |
| 215 | Tag_GNU_Power_ABI_Vector = 8, | |
| f82e0623 NF |
216 | |
| 217 | /* Value 1 for ABIs using r3/r4 for returning structures <= 8 bytes, | |
| 218 | 2 for ABIs using memory; 0 for not tagged or not using any ABIs | |
| 219 | affected by the differences. */ | |
| 220 | Tag_GNU_Power_ABI_Struct_Return = 12 | |
| 34c8bcba JM |
221 | }; |
| 222 | ||
| 252b5132 | 223 | #endif /* _ELF_PPC_H */ |