| 1 | /* Common code for PA ELF implementations. |
| 2 | Copyright (C) 1999-2019 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of BFD, the Binary File Descriptor library. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. */ |
| 20 | |
| 21 | #define ELF_HOWTO_TABLE_SIZE R_PARISC_UNIMPLEMENTED + 1 |
| 22 | |
| 23 | /* This file is included by multiple PA ELF BFD backends with different |
| 24 | sizes. |
| 25 | |
| 26 | Most of the routines are written to be size independent, but sometimes |
| 27 | external constraints require 32 or 64 bit specific code. We remap |
| 28 | the definitions/functions as necessary here. */ |
| 29 | #if ARCH_SIZE == 64 |
| 30 | #define ELF_R_TYPE(X) ELF64_R_TYPE(X) |
| 31 | #define ELF_R_SYM(X) ELF64_R_SYM(X) |
| 32 | #define elf_hppa_reloc_final_type elf64_hppa_reloc_final_type |
| 33 | #define _bfd_elf_hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type |
| 34 | #define elf_hppa_relocate_section elf64_hppa_relocate_section |
| 35 | #define elf_hppa_final_link elf64_hppa_final_link |
| 36 | #endif |
| 37 | #if ARCH_SIZE == 32 |
| 38 | #define ELF_R_TYPE(X) ELF32_R_TYPE(X) |
| 39 | #define ELF_R_SYM(X) ELF32_R_SYM(X) |
| 40 | #define elf_hppa_reloc_final_type elf32_hppa_reloc_final_type |
| 41 | #define _bfd_elf_hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type |
| 42 | #define elf_hppa_relocate_section elf32_hppa_relocate_section |
| 43 | #define elf_hppa_final_link elf32_hppa_final_link |
| 44 | #endif |
| 45 | |
| 46 | /* ELF/PA relocation howto entries. */ |
| 47 | |
| 48 | static reloc_howto_type elf_hppa_howto_table[ELF_HOWTO_TABLE_SIZE] = |
| 49 | { |
| 50 | #define HOW(type, size, bitsize, pc_rel, complain, mask) \ |
| 51 | HOWTO (type, 0, size, bitsize, pc_rel, 0, complain_overflow_ ## complain, \ |
| 52 | bfd_elf_generic_reloc, #type, FALSE, 0, mask, FALSE) |
| 53 | |
| 54 | /* The values in DIR32 are to placate the check in |
| 55 | _bfd_stab_section_find_nearest_line. */ |
| 56 | HOW (R_PARISC_NONE, 3, 0, FALSE, dont, 0), |
| 57 | HOW (R_PARISC_DIR32, 2, 32, FALSE, bitfield, 0xffffffff), |
| 58 | HOW (R_PARISC_DIR21L, 2, 21, FALSE, bitfield, 0), |
| 59 | HOW (R_PARISC_DIR17R, 2, 17, FALSE, bitfield, 0), |
| 60 | HOW (R_PARISC_DIR17F, 2, 17, FALSE, bitfield, 0), |
| 61 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 62 | HOW (R_PARISC_DIR14R, 2, 14, FALSE, bitfield, 0), |
| 63 | HOW (R_PARISC_DIR14F, 2, 14, FALSE, bitfield, 0), |
| 64 | /* 8 */ |
| 65 | HOW (R_PARISC_PCREL12F, 2, 12, TRUE, bitfield, 0), |
| 66 | HOW (R_PARISC_PCREL32, 2, 32, TRUE, bitfield, 0), |
| 67 | HOW (R_PARISC_PCREL21L, 2, 21, TRUE, bitfield, 0), |
| 68 | HOW (R_PARISC_PCREL17R, 2, 17, TRUE, bitfield, 0), |
| 69 | HOW (R_PARISC_PCREL17F, 2, 17, TRUE, bitfield, 0), |
| 70 | HOW (R_PARISC_PCREL17C, 2, 17, TRUE, bitfield, 0), |
| 71 | HOW (R_PARISC_PCREL14R, 2, 14, TRUE, bitfield, 0), |
| 72 | HOW (R_PARISC_PCREL14F, 2, 14, TRUE, bitfield, 0), |
| 73 | /* 16 */ |
| 74 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 75 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 76 | HOW (R_PARISC_DPREL21L, 2, 21, FALSE, bitfield, 0), |
| 77 | HOW (R_PARISC_DPREL14WR, 2, 14, FALSE, bitfield, 0), |
| 78 | HOW (R_PARISC_DPREL14DR, 2, 14, FALSE, bitfield, 0), |
| 79 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 80 | HOW (R_PARISC_DPREL14R, 2, 14, FALSE, bitfield, 0), |
| 81 | HOW (R_PARISC_DPREL14F, 2, 14, FALSE, bitfield, 0), |
| 82 | /* 24 */ |
| 83 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 84 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 85 | HOW (R_PARISC_DLTREL21L, 2, 21, FALSE, bitfield, 0), |
| 86 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 87 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 88 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 89 | HOW (R_PARISC_DLTREL14R, 2, 14, FALSE, bitfield, 0), |
| 90 | HOW (R_PARISC_DLTREL14F, 2, 14, FALSE, bitfield, 0), |
| 91 | /* 32 */ |
| 92 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 93 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 94 | HOW (R_PARISC_DLTIND21L, 2, 21, FALSE, bitfield, 0), |
| 95 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 96 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 97 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 98 | HOW (R_PARISC_DLTIND14R, 2, 14, FALSE, bitfield, 0), |
| 99 | HOW (R_PARISC_DLTIND14F, 2, 14, FALSE, bitfield, 0), |
| 100 | /* 40 */ |
| 101 | HOW (R_PARISC_SETBASE, 0, 0, FALSE, bitfield, 0), |
| 102 | HOW (R_PARISC_SECREL32, 2, 32, FALSE, bitfield, 0xffffffff), |
| 103 | HOW (R_PARISC_BASEREL21L, 2, 21, FALSE, bitfield, 0), |
| 104 | HOW (R_PARISC_BASEREL17R, 2, 17, FALSE, bitfield, 0), |
| 105 | HOW (R_PARISC_BASEREL17F, 2, 17, FALSE, bitfield, 0), |
| 106 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 107 | HOW (R_PARISC_BASEREL14R, 2, 14, FALSE, bitfield, 0), |
| 108 | HOW (R_PARISC_BASEREL14F, 2, 14, FALSE, bitfield, 0), |
| 109 | /* 48 */ |
| 110 | HOW (R_PARISC_SEGBASE, 0, 0, FALSE, bitfield, 0), |
| 111 | HOW (R_PARISC_SEGREL32, 2, 32, FALSE, bitfield, 0), |
| 112 | HOW (R_PARISC_PLTOFF21L, 2, 21, FALSE, bitfield, 0), |
| 113 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 114 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 115 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 116 | HOW (R_PARISC_PLTOFF14R, 2, 14, FALSE, bitfield, 0), |
| 117 | HOW (R_PARISC_PLTOFF14F, 2, 14, FALSE, bitfield, 0), |
| 118 | /* 56 */ |
| 119 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 120 | HOW (R_PARISC_LTOFF_FPTR32, 2, 32, FALSE, bitfield, 0), |
| 121 | HOW (R_PARISC_LTOFF_FPTR21L, 2, 21, FALSE, bitfield, 0), |
| 122 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 123 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 124 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 125 | HOW (R_PARISC_LTOFF_FPTR14R, 2, 14, FALSE, bitfield, 0), |
| 126 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 127 | /* 64 */ |
| 128 | HOW (R_PARISC_FPTR64, 4, 64, FALSE, bitfield, 0), |
| 129 | HOW (R_PARISC_PLABEL32, 2, 32, FALSE, bitfield, 0), |
| 130 | HOW (R_PARISC_PLABEL21L, 2, 21, FALSE, bitfield, 0), |
| 131 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 132 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 133 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 134 | HOW (R_PARISC_PLABEL14R, 2, 14, FALSE, bitfield, 0), |
| 135 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 136 | /* 72 */ |
| 137 | HOW (R_PARISC_PCREL64, 4, 64, FALSE, bitfield, 0), |
| 138 | HOW (R_PARISC_PCREL22C, 2, 22, FALSE, bitfield, 0), |
| 139 | HOW (R_PARISC_PCREL22F, 2, 22, FALSE, bitfield, 0), |
| 140 | HOW (R_PARISC_PCREL14WR, 2, 14, FALSE, bitfield, 0), |
| 141 | HOW (R_PARISC_PCREL14DR, 2, 14, FALSE, bitfield, 0), |
| 142 | HOW (R_PARISC_PCREL16F, 2, 16, FALSE, bitfield, 0), |
| 143 | HOW (R_PARISC_PCREL16WF, 2, 16, FALSE, bitfield, 0), |
| 144 | HOW (R_PARISC_PCREL16DF, 2, 16, FALSE, bitfield, 0), |
| 145 | /* 80 */ |
| 146 | HOW (R_PARISC_DIR64, 4, 64, FALSE, bitfield, 0), |
| 147 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 148 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 149 | HOW (R_PARISC_DIR14WR, 2, 14, FALSE, bitfield, 0), |
| 150 | HOW (R_PARISC_DIR14DR, 2, 14, FALSE, bitfield, 0), |
| 151 | HOW (R_PARISC_DIR16F, 2, 16, FALSE, bitfield, 0), |
| 152 | HOW (R_PARISC_DIR16WF, 2, 16, FALSE, bitfield, 0), |
| 153 | HOW (R_PARISC_DIR16DF, 2, 16, FALSE, bitfield, 0), |
| 154 | /* 88 */ |
| 155 | HOW (R_PARISC_GPREL64, 4, 64, FALSE, bitfield, 0), |
| 156 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 157 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 158 | HOW (R_PARISC_DLTREL14WR, 2, 14, FALSE, bitfield, 0), |
| 159 | HOW (R_PARISC_DLTREL14DR, 2, 14, FALSE, bitfield, 0), |
| 160 | HOW (R_PARISC_GPREL16F, 2, 16, FALSE, bitfield, 0), |
| 161 | HOW (R_PARISC_GPREL16WF, 2, 16, FALSE, bitfield, 0), |
| 162 | HOW (R_PARISC_GPREL16DF, 2, 16, FALSE, bitfield, 0), |
| 163 | /* 96 */ |
| 164 | HOW (R_PARISC_LTOFF64, 4, 64, FALSE, bitfield, 0), |
| 165 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 166 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 167 | HOW (R_PARISC_DLTIND14WR, 2, 14, FALSE, bitfield, 0), |
| 168 | HOW (R_PARISC_DLTIND14DR, 2, 14, FALSE, bitfield, 0), |
| 169 | HOW (R_PARISC_LTOFF16F, 2, 16, FALSE, bitfield, 0), |
| 170 | HOW (R_PARISC_LTOFF16WF, 2, 16, FALSE, bitfield, 0), |
| 171 | HOW (R_PARISC_LTOFF16DF, 2, 16, FALSE, bitfield, 0), |
| 172 | /* 104 */ |
| 173 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 174 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 175 | HOW (R_PARISC_BASEREL14WR, 2, 14, FALSE, bitfield, 0), |
| 176 | HOW (R_PARISC_BASEREL14DR, 2, 14, FALSE, bitfield, 0), |
| 177 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 178 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 179 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 180 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 181 | /* 112 */ |
| 182 | HOW (R_PARISC_SEGREL64, 4, 64, FALSE, bitfield, 0), |
| 183 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 184 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 185 | HOW (R_PARISC_PLTOFF14WR, 2, 14, FALSE, bitfield, 0), |
| 186 | HOW (R_PARISC_PLTOFF14DR, 2, 14, FALSE, bitfield, 0), |
| 187 | HOW (R_PARISC_PLTOFF16F, 2, 16, FALSE, bitfield, 0), |
| 188 | HOW (R_PARISC_PLTOFF16WF, 2, 16, FALSE, bitfield, 0), |
| 189 | HOW (R_PARISC_PLTOFF16DF, 2, 16, FALSE, bitfield, 0), |
| 190 | /* 120 */ |
| 191 | HOW (R_PARISC_LTOFF_FPTR64, 4, 64, FALSE, bitfield, 0), |
| 192 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 193 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 194 | HOW (R_PARISC_LTOFF_FPTR14WR, 2, 14, FALSE, bitfield, 0), |
| 195 | HOW (R_PARISC_LTOFF_FPTR14DR, 2, 14, FALSE, bitfield, 0), |
| 196 | HOW (R_PARISC_LTOFF_FPTR16F, 2, 16, FALSE, bitfield, 0), |
| 197 | HOW (R_PARISC_LTOFF_FPTR16WF, 2, 16, FALSE, bitfield, 0), |
| 198 | HOW (R_PARISC_LTOFF_FPTR16DF, 2, 16, FALSE, bitfield, 0), |
| 199 | /* 128 */ |
| 200 | HOW (R_PARISC_COPY, 0, 0, FALSE, bitfield, 0), |
| 201 | HOW (R_PARISC_IPLT, 0, 0, FALSE, bitfield, 0), |
| 202 | HOW (R_PARISC_EPLT, 0, 0, FALSE, bitfield, 0), |
| 203 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 204 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 205 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 206 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 207 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 208 | /* 136 */ |
| 209 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 210 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 211 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 212 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 213 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 214 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 215 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 216 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 217 | /* 144 */ |
| 218 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 219 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 220 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 221 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 222 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 223 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 224 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 225 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 226 | /* 152 */ |
| 227 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 228 | HOW (R_PARISC_TPREL32, 2, 32, FALSE, dont, 0), |
| 229 | HOW (R_PARISC_TPREL21L, 2, 21, FALSE, bitfield, 0), |
| 230 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 231 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 232 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 233 | HOW (R_PARISC_TPREL14R, 2, 14, FALSE, bitfield, 0), |
| 234 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 235 | /* 160 */ |
| 236 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 237 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 238 | HOW (R_PARISC_LTOFF_TP21L, 2, 21, FALSE, bitfield, 0), |
| 239 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 240 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 241 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 242 | HOW (R_PARISC_LTOFF_TP14R, 2, 14, FALSE, bitfield, 0), |
| 243 | HOW (R_PARISC_LTOFF_TP14F, 2, 14, FALSE, bitfield, 0), |
| 244 | /* 168 */ |
| 245 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 246 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 247 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 248 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 249 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 250 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 251 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 252 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 253 | /* 176 */ |
| 254 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 255 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 256 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 257 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 258 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 259 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 260 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 261 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 262 | /* 184 */ |
| 263 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 264 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 265 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 266 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 267 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 268 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 269 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 270 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 271 | /* 192 */ |
| 272 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 273 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 274 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 275 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 276 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 277 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 278 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 279 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 280 | /* 200 */ |
| 281 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 282 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 283 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 284 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 285 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 286 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 287 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 288 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 289 | /* 208 */ |
| 290 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 291 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 292 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 293 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 294 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, dont, 0), |
| 295 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 296 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 297 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 298 | /* 216 */ |
| 299 | HOW (R_PARISC_TPREL64, 4, 64, FALSE, bitfield, 0), |
| 300 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 301 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 302 | HOW (R_PARISC_TPREL14WR, 2, 14, FALSE, dont, 0), |
| 303 | HOW (R_PARISC_TPREL14DR, 2, 14, FALSE, bitfield, 0), |
| 304 | HOW (R_PARISC_TPREL16F, 2, 16, FALSE, bitfield, 0), |
| 305 | HOW (R_PARISC_TPREL16WF, 2, 16, FALSE, dont, 0), |
| 306 | HOW (R_PARISC_TPREL16DF, 2, 16, FALSE, bitfield, 0), |
| 307 | /* 224 */ |
| 308 | HOW (R_PARISC_LTOFF_TP64, 4, 64, FALSE, bitfield, 0), |
| 309 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 310 | HOW (R_PARISC_UNIMPLEMENTED, 0, 0, FALSE, bitfield, 0), |
| 311 | HOW (R_PARISC_LTOFF_TP14WR, 2, 14, FALSE, bitfield, 0), |
| 312 | HOW (R_PARISC_LTOFF_TP14DR, 2, 14, FALSE, bitfield, 0), |
| 313 | HOW (R_PARISC_LTOFF_TP16F, 2, 16, FALSE, dont, 0), |
| 314 | HOW (R_PARISC_LTOFF_TP16WF, 2, 16, FALSE, bitfield, 0), |
| 315 | HOW (R_PARISC_LTOFF_TP16DF, 2, 16, FALSE, bitfield, 0), |
| 316 | /* 232 */ |
| 317 | HOW (R_PARISC_GNU_VTENTRY, 0, 0, FALSE, dont, 0), |
| 318 | HOW (R_PARISC_GNU_VTINHERIT, 0, 0, FALSE, dont, 0), |
| 319 | HOW (R_PARISC_TLS_GD21L, 2, 21, FALSE, bitfield, 0), |
| 320 | HOW (R_PARISC_TLS_GD14R, 2, 14, FALSE, bitfield, 0), |
| 321 | HOW (R_PARISC_TLS_GDCALL, 0, 0, FALSE, dont, 0), |
| 322 | HOW (R_PARISC_TLS_LDM21L, 2, 21, FALSE, bitfield, 0), |
| 323 | HOW (R_PARISC_TLS_LDM14R, 2, 14, FALSE, bitfield, 0), |
| 324 | HOW (R_PARISC_TLS_LDMCALL, 0, 0, FALSE, dont, 0), |
| 325 | /* 240 */ |
| 326 | HOW (R_PARISC_TLS_LDO21L, 2, 21, FALSE, bitfield, 0), |
| 327 | HOW (R_PARISC_TLS_LDO14R, 2, 14, FALSE, bitfield, 0), |
| 328 | HOW (R_PARISC_TLS_DTPMOD32, 2, 32, FALSE, bitfield, 0), |
| 329 | HOW (R_PARISC_TLS_DTPMOD64, 4, 64, FALSE, bitfield, 0), |
| 330 | HOW (R_PARISC_TLS_DTPOFF32, 2, 32, FALSE, bitfield, 0), |
| 331 | HOW (R_PARISC_TLS_DTPOFF64, 4, 64, FALSE, bitfield, 0) |
| 332 | #undef HOW |
| 333 | }; |
| 334 | |
| 335 | #define OFFSET_14R_FROM_21L 4 |
| 336 | #define OFFSET_14F_FROM_21L 5 |
| 337 | |
| 338 | /* Return the final relocation type for the given base type, instruction |
| 339 | format, and field selector. */ |
| 340 | |
| 341 | elf_hppa_reloc_type |
| 342 | elf_hppa_reloc_final_type (bfd *abfd, |
| 343 | elf_hppa_reloc_type base_type, |
| 344 | int format, |
| 345 | unsigned int field) |
| 346 | { |
| 347 | elf_hppa_reloc_type final_type = base_type; |
| 348 | |
| 349 | /* Just a tangle of nested switch statements to deal with the braindamage |
| 350 | that a different field selector means a completely different relocation |
| 351 | for PA ELF. */ |
| 352 | switch (base_type) |
| 353 | { |
| 354 | /* We have been using generic relocation types. However, that may not |
| 355 | really make sense. Anyway, we need to support both R_PARISC_DIR64 |
| 356 | and R_PARISC_DIR32 here. */ |
| 357 | case R_PARISC_DIR32: |
| 358 | case R_PARISC_DIR64: |
| 359 | case R_HPPA_ABS_CALL: |
| 360 | switch (format) |
| 361 | { |
| 362 | case 14: |
| 363 | switch (field) |
| 364 | { |
| 365 | case e_fsel: |
| 366 | final_type = R_PARISC_DIR14F; |
| 367 | break; |
| 368 | case e_rsel: |
| 369 | case e_rrsel: |
| 370 | case e_rdsel: |
| 371 | final_type = R_PARISC_DIR14R; |
| 372 | break; |
| 373 | case e_rtsel: |
| 374 | final_type = R_PARISC_DLTIND14R; |
| 375 | break; |
| 376 | case e_rtpsel: |
| 377 | final_type = R_PARISC_LTOFF_FPTR14DR; |
| 378 | break; |
| 379 | case e_tsel: |
| 380 | final_type = R_PARISC_DLTIND14F; |
| 381 | break; |
| 382 | case e_rpsel: |
| 383 | final_type = R_PARISC_PLABEL14R; |
| 384 | break; |
| 385 | default: |
| 386 | return R_PARISC_NONE; |
| 387 | } |
| 388 | break; |
| 389 | |
| 390 | case 17: |
| 391 | switch (field) |
| 392 | { |
| 393 | case e_fsel: |
| 394 | final_type = R_PARISC_DIR17F; |
| 395 | break; |
| 396 | case e_rsel: |
| 397 | case e_rrsel: |
| 398 | case e_rdsel: |
| 399 | final_type = R_PARISC_DIR17R; |
| 400 | break; |
| 401 | default: |
| 402 | return R_PARISC_NONE; |
| 403 | } |
| 404 | break; |
| 405 | |
| 406 | case 21: |
| 407 | switch (field) |
| 408 | { |
| 409 | case e_lsel: |
| 410 | case e_lrsel: |
| 411 | case e_ldsel: |
| 412 | case e_nlsel: |
| 413 | case e_nlrsel: |
| 414 | final_type = R_PARISC_DIR21L; |
| 415 | break; |
| 416 | case e_ltsel: |
| 417 | final_type = R_PARISC_DLTIND21L; |
| 418 | break; |
| 419 | case e_ltpsel: |
| 420 | final_type = R_PARISC_LTOFF_FPTR21L; |
| 421 | break; |
| 422 | case e_lpsel: |
| 423 | final_type = R_PARISC_PLABEL21L; |
| 424 | break; |
| 425 | default: |
| 426 | return R_PARISC_NONE; |
| 427 | } |
| 428 | break; |
| 429 | |
| 430 | case 32: |
| 431 | switch (field) |
| 432 | { |
| 433 | case e_fsel: |
| 434 | final_type = R_PARISC_DIR32; |
| 435 | /* When in 64bit mode, a 32bit relocation is supposed to |
| 436 | be a section relative relocation. Dwarf2 (for example) |
| 437 | uses 32bit section relative relocations. */ |
| 438 | if (bfd_arch_bits_per_address (abfd) != 32) |
| 439 | final_type = R_PARISC_SECREL32; |
| 440 | break; |
| 441 | case e_psel: |
| 442 | final_type = R_PARISC_PLABEL32; |
| 443 | break; |
| 444 | default: |
| 445 | return R_PARISC_NONE; |
| 446 | } |
| 447 | break; |
| 448 | |
| 449 | case 64: |
| 450 | switch (field) |
| 451 | { |
| 452 | case e_fsel: |
| 453 | final_type = R_PARISC_DIR64; |
| 454 | break; |
| 455 | case e_psel: |
| 456 | final_type = R_PARISC_FPTR64; |
| 457 | break; |
| 458 | default: |
| 459 | return R_PARISC_NONE; |
| 460 | } |
| 461 | break; |
| 462 | |
| 463 | default: |
| 464 | return R_PARISC_NONE; |
| 465 | } |
| 466 | break; |
| 467 | |
| 468 | case R_HPPA_GOTOFF: |
| 469 | switch (format) |
| 470 | { |
| 471 | case 14: |
| 472 | switch (field) |
| 473 | { |
| 474 | case e_rsel: |
| 475 | case e_rrsel: |
| 476 | case e_rdsel: |
| 477 | /* R_PARISC_DLTREL14R for elf64, R_PARISC_DPREL14R for elf32. */ |
| 478 | final_type = base_type + OFFSET_14R_FROM_21L; |
| 479 | break; |
| 480 | case e_fsel: |
| 481 | /* R_PARISC_DLTREL14F for elf64, R_PARISC_DPREL14F for elf32. */ |
| 482 | final_type = base_type + OFFSET_14F_FROM_21L; |
| 483 | break; |
| 484 | default: |
| 485 | return R_PARISC_NONE; |
| 486 | } |
| 487 | break; |
| 488 | |
| 489 | case 21: |
| 490 | switch (field) |
| 491 | { |
| 492 | case e_lsel: |
| 493 | case e_lrsel: |
| 494 | case e_ldsel: |
| 495 | case e_nlsel: |
| 496 | case e_nlrsel: |
| 497 | /* R_PARISC_DLTREL21L for elf64, R_PARISC_DPREL21L for elf32. */ |
| 498 | final_type = base_type; |
| 499 | break; |
| 500 | default: |
| 501 | return R_PARISC_NONE; |
| 502 | } |
| 503 | break; |
| 504 | |
| 505 | case 64: |
| 506 | switch (field) |
| 507 | { |
| 508 | case e_fsel: |
| 509 | final_type = R_PARISC_GPREL64; |
| 510 | break; |
| 511 | default: |
| 512 | return R_PARISC_NONE; |
| 513 | } |
| 514 | break; |
| 515 | |
| 516 | default: |
| 517 | return R_PARISC_NONE; |
| 518 | } |
| 519 | break; |
| 520 | |
| 521 | case R_HPPA_PCREL_CALL: |
| 522 | switch (format) |
| 523 | { |
| 524 | case 12: |
| 525 | switch (field) |
| 526 | { |
| 527 | case e_fsel: |
| 528 | final_type = R_PARISC_PCREL12F; |
| 529 | break; |
| 530 | default: |
| 531 | return R_PARISC_NONE; |
| 532 | } |
| 533 | break; |
| 534 | |
| 535 | case 14: |
| 536 | /* Contrary to appearances, these are not calls of any sort. |
| 537 | Rather, they are loads/stores with a pcrel reloc. */ |
| 538 | switch (field) |
| 539 | { |
| 540 | case e_rsel: |
| 541 | case e_rrsel: |
| 542 | case e_rdsel: |
| 543 | final_type = R_PARISC_PCREL14R; |
| 544 | break; |
| 545 | case e_fsel: |
| 546 | if (bfd_get_mach (abfd) < 25) |
| 547 | final_type = R_PARISC_PCREL14F; |
| 548 | else |
| 549 | final_type = R_PARISC_PCREL16F; |
| 550 | break; |
| 551 | default: |
| 552 | return R_PARISC_NONE; |
| 553 | } |
| 554 | break; |
| 555 | |
| 556 | case 17: |
| 557 | switch (field) |
| 558 | { |
| 559 | case e_rsel: |
| 560 | case e_rrsel: |
| 561 | case e_rdsel: |
| 562 | final_type = R_PARISC_PCREL17R; |
| 563 | break; |
| 564 | case e_fsel: |
| 565 | final_type = R_PARISC_PCREL17F; |
| 566 | break; |
| 567 | default: |
| 568 | return R_PARISC_NONE; |
| 569 | } |
| 570 | break; |
| 571 | |
| 572 | case 21: |
| 573 | switch (field) |
| 574 | { |
| 575 | case e_lsel: |
| 576 | case e_lrsel: |
| 577 | case e_ldsel: |
| 578 | case e_nlsel: |
| 579 | case e_nlrsel: |
| 580 | final_type = R_PARISC_PCREL21L; |
| 581 | break; |
| 582 | default: |
| 583 | return R_PARISC_NONE; |
| 584 | } |
| 585 | break; |
| 586 | |
| 587 | case 22: |
| 588 | switch (field) |
| 589 | { |
| 590 | case e_fsel: |
| 591 | final_type = R_PARISC_PCREL22F; |
| 592 | break; |
| 593 | default: |
| 594 | return R_PARISC_NONE; |
| 595 | } |
| 596 | break; |
| 597 | |
| 598 | case 32: |
| 599 | switch (field) |
| 600 | { |
| 601 | case e_fsel: |
| 602 | final_type = R_PARISC_PCREL32; |
| 603 | break; |
| 604 | default: |
| 605 | return R_PARISC_NONE; |
| 606 | } |
| 607 | break; |
| 608 | |
| 609 | case 64: |
| 610 | switch (field) |
| 611 | { |
| 612 | case e_fsel: |
| 613 | final_type = R_PARISC_PCREL64; |
| 614 | break; |
| 615 | default: |
| 616 | return R_PARISC_NONE; |
| 617 | } |
| 618 | break; |
| 619 | |
| 620 | default: |
| 621 | return R_PARISC_NONE; |
| 622 | } |
| 623 | break; |
| 624 | |
| 625 | case R_PARISC_TLS_GD21L: |
| 626 | switch (field) |
| 627 | { |
| 628 | case e_ltsel: |
| 629 | case e_lrsel: |
| 630 | final_type = R_PARISC_TLS_GD21L; |
| 631 | break; |
| 632 | case e_rtsel: |
| 633 | case e_rrsel: |
| 634 | final_type = R_PARISC_TLS_GD14R; |
| 635 | break; |
| 636 | default: |
| 637 | return R_PARISC_NONE; |
| 638 | } |
| 639 | break; |
| 640 | |
| 641 | case R_PARISC_TLS_LDM21L: |
| 642 | switch (field) |
| 643 | { |
| 644 | case e_ltsel: |
| 645 | case e_lrsel: |
| 646 | final_type = R_PARISC_TLS_LDM21L; |
| 647 | break; |
| 648 | case e_rtsel: |
| 649 | case e_rrsel: |
| 650 | final_type = R_PARISC_TLS_LDM14R; |
| 651 | break; |
| 652 | default: |
| 653 | return R_PARISC_NONE; |
| 654 | } |
| 655 | break; |
| 656 | |
| 657 | case R_PARISC_TLS_LDO21L: |
| 658 | switch (field) |
| 659 | { |
| 660 | case e_lrsel: |
| 661 | final_type = R_PARISC_TLS_LDO21L; |
| 662 | break; |
| 663 | case e_rrsel: |
| 664 | final_type = R_PARISC_TLS_LDO14R; |
| 665 | break; |
| 666 | default: |
| 667 | return R_PARISC_NONE; |
| 668 | } |
| 669 | break; |
| 670 | |
| 671 | case R_PARISC_TLS_IE21L: |
| 672 | switch (field) |
| 673 | { |
| 674 | case e_ltsel: |
| 675 | case e_lrsel: |
| 676 | final_type = R_PARISC_TLS_IE21L; |
| 677 | break; |
| 678 | case e_rtsel: |
| 679 | case e_rrsel: |
| 680 | final_type = R_PARISC_TLS_IE14R; |
| 681 | break; |
| 682 | default: |
| 683 | return R_PARISC_NONE; |
| 684 | } |
| 685 | break; |
| 686 | |
| 687 | case R_PARISC_TLS_LE21L: |
| 688 | switch (field) |
| 689 | { |
| 690 | case e_lrsel: |
| 691 | final_type = R_PARISC_TLS_LE21L; |
| 692 | break; |
| 693 | case e_rrsel: |
| 694 | final_type = R_PARISC_TLS_LE14R; |
| 695 | break; |
| 696 | default: |
| 697 | return R_PARISC_NONE; |
| 698 | } |
| 699 | break; |
| 700 | |
| 701 | case R_PARISC_SEGREL32: |
| 702 | switch (format) |
| 703 | { |
| 704 | case 32: |
| 705 | switch (field) |
| 706 | { |
| 707 | case e_fsel: |
| 708 | final_type = R_PARISC_SEGREL32; |
| 709 | break; |
| 710 | default: |
| 711 | return R_PARISC_NONE; |
| 712 | } |
| 713 | break; |
| 714 | |
| 715 | case 64: |
| 716 | switch (field) |
| 717 | { |
| 718 | case e_fsel: |
| 719 | final_type = R_PARISC_SEGREL64; |
| 720 | break; |
| 721 | default: |
| 722 | return R_PARISC_NONE; |
| 723 | } |
| 724 | break; |
| 725 | |
| 726 | default: |
| 727 | return R_PARISC_NONE; |
| 728 | } |
| 729 | break; |
| 730 | |
| 731 | case R_PARISC_GNU_VTENTRY: |
| 732 | case R_PARISC_GNU_VTINHERIT: |
| 733 | case R_PARISC_SEGBASE: |
| 734 | /* The defaults are fine for these cases. */ |
| 735 | break; |
| 736 | |
| 737 | default: |
| 738 | return R_PARISC_NONE; |
| 739 | } |
| 740 | |
| 741 | return final_type; |
| 742 | } |
| 743 | |
| 744 | /* Return one (or more) BFD relocations which implement the base |
| 745 | relocation with modifications based on format and field. */ |
| 746 | |
| 747 | elf_hppa_reloc_type ** |
| 748 | _bfd_elf_hppa_gen_reloc_type (bfd *abfd, |
| 749 | elf_hppa_reloc_type base_type, |
| 750 | int format, |
| 751 | unsigned int field, |
| 752 | int ignore ATTRIBUTE_UNUSED, |
| 753 | asymbol *sym ATTRIBUTE_UNUSED) |
| 754 | { |
| 755 | elf_hppa_reloc_type *finaltype; |
| 756 | elf_hppa_reloc_type **final_types; |
| 757 | bfd_size_type amt = sizeof (elf_hppa_reloc_type *) * 2; |
| 758 | |
| 759 | /* Allocate slots for the BFD relocation. */ |
| 760 | final_types = bfd_alloc (abfd, amt); |
| 761 | if (final_types == NULL) |
| 762 | return NULL; |
| 763 | |
| 764 | /* Allocate space for the relocation itself. */ |
| 765 | amt = sizeof (elf_hppa_reloc_type); |
| 766 | finaltype = bfd_alloc (abfd, amt); |
| 767 | if (finaltype == NULL) |
| 768 | return NULL; |
| 769 | |
| 770 | /* Some reasonable defaults. */ |
| 771 | final_types[0] = finaltype; |
| 772 | final_types[1] = NULL; |
| 773 | |
| 774 | *finaltype = elf_hppa_reloc_final_type (abfd, base_type, format, field); |
| 775 | |
| 776 | return final_types; |
| 777 | } |
| 778 | |
| 779 | /* Translate from an elf into field into a howto relocation pointer. */ |
| 780 | |
| 781 | static bfd_boolean |
| 782 | elf_hppa_info_to_howto (bfd *abfd, |
| 783 | arelent *bfd_reloc, |
| 784 | Elf_Internal_Rela *elf_reloc) |
| 785 | { |
| 786 | unsigned int r_type = ELF32_R_TYPE (elf_reloc->r_info); |
| 787 | unsigned int type = r_type; |
| 788 | reloc_howto_type *howto = NULL; |
| 789 | |
| 790 | if (r_type < (unsigned int) R_PARISC_UNIMPLEMENTED) |
| 791 | { |
| 792 | howto = &elf_hppa_howto_table[r_type]; |
| 793 | type = howto->type; |
| 794 | } |
| 795 | if (type >= (unsigned int) R_PARISC_UNIMPLEMENTED) |
| 796 | { |
| 797 | /* xgettext:c-format */ |
| 798 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), |
| 799 | abfd, r_type); |
| 800 | bfd_set_error (bfd_error_bad_value); |
| 801 | return FALSE; |
| 802 | } |
| 803 | bfd_reloc->howto = howto; |
| 804 | return TRUE; |
| 805 | } |
| 806 | |
| 807 | /* Translate from an elf into field into a howto relocation pointer. */ |
| 808 | |
| 809 | static bfd_boolean |
| 810 | elf_hppa_info_to_howto_rel (bfd *abfd, |
| 811 | arelent *bfd_reloc, |
| 812 | Elf_Internal_Rela *elf_reloc) |
| 813 | { |
| 814 | unsigned int r_type = ELF_R_TYPE (elf_reloc->r_info); |
| 815 | unsigned int type = r_type; |
| 816 | reloc_howto_type *howto = NULL; |
| 817 | |
| 818 | if (r_type < (unsigned int) R_PARISC_UNIMPLEMENTED) |
| 819 | { |
| 820 | howto = &elf_hppa_howto_table[r_type]; |
| 821 | type = howto->type; |
| 822 | } |
| 823 | if (type >= (unsigned int) R_PARISC_UNIMPLEMENTED) |
| 824 | { |
| 825 | /* xgettext:c-format */ |
| 826 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), |
| 827 | abfd, r_type); |
| 828 | bfd_set_error (bfd_error_bad_value); |
| 829 | return FALSE; |
| 830 | } |
| 831 | bfd_reloc->howto = howto; |
| 832 | return TRUE; |
| 833 | } |
| 834 | |
| 835 | /* Return the address of the howto table entry to perform the CODE |
| 836 | relocation for an ARCH machine. */ |
| 837 | |
| 838 | static reloc_howto_type * |
| 839 | elf_hppa_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 840 | bfd_reloc_code_real_type code) |
| 841 | { |
| 842 | if ((int) code < (int) R_PARISC_UNIMPLEMENTED) |
| 843 | { |
| 844 | BFD_ASSERT ((int) elf_hppa_howto_table[(int) code].type == (int) code); |
| 845 | return &elf_hppa_howto_table[(int) code]; |
| 846 | } |
| 847 | return NULL; |
| 848 | } |
| 849 | |
| 850 | static reloc_howto_type * |
| 851 | elf_hppa_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 852 | const char *r_name) |
| 853 | { |
| 854 | unsigned int i; |
| 855 | |
| 856 | for (i = 0; |
| 857 | i < sizeof (elf_hppa_howto_table) / sizeof (elf_hppa_howto_table[0]); |
| 858 | i++) |
| 859 | if (elf_hppa_howto_table[i].name != NULL |
| 860 | && strcasecmp (elf_hppa_howto_table[i].name, r_name) == 0) |
| 861 | return &elf_hppa_howto_table[i]; |
| 862 | |
| 863 | return NULL; |
| 864 | } |
| 865 | |
| 866 | /* Return TRUE if SYM represents a local label symbol. */ |
| 867 | |
| 868 | static bfd_boolean |
| 869 | elf_hppa_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name) |
| 870 | { |
| 871 | if (name[0] == 'L' && name[1] == '$') |
| 872 | return TRUE; |
| 873 | return _bfd_elf_is_local_label_name (abfd, name); |
| 874 | } |
| 875 | |
| 876 | /* Set the correct type for an ELF section. We do this by the |
| 877 | section name, which is a hack, but ought to work. */ |
| 878 | |
| 879 | static bfd_boolean |
| 880 | elf_hppa_fake_sections (bfd *abfd, Elf_Internal_Shdr *hdr, asection *sec) |
| 881 | { |
| 882 | const char *name; |
| 883 | |
| 884 | name = bfd_section_name (sec); |
| 885 | |
| 886 | if (strcmp (name, ".PARISC.unwind") == 0) |
| 887 | { |
| 888 | int indx; |
| 889 | asection *asec; |
| 890 | |
| 891 | #if ARCH_SIZE == 64 |
| 892 | hdr->sh_type = SHT_PARISC_UNWIND; |
| 893 | #else |
| 894 | /* Note - it is not clear why this is not SHT_PARISC_UNWIND as well. |
| 895 | Presumably it is a historical constraint, so leave it as it is. */ |
| 896 | hdr->sh_type = SHT_PROGBITS; |
| 897 | #endif |
| 898 | /* ?!? How are unwinds supposed to work for symbols in arbitrary |
| 899 | sections? Or what if we have multiple .text sections in a single |
| 900 | .o file? HP really messed up on this one. |
| 901 | |
| 902 | Ugh. We can not use elf_section_data (sec)->this_idx at this |
| 903 | point because it is not initialized yet. |
| 904 | |
| 905 | So we (gasp) recompute it here. Hopefully nobody ever changes the |
| 906 | way sections are numbered in elf.c! */ |
| 907 | for (asec = abfd->sections, indx = 1; asec; asec = asec->next, indx++) |
| 908 | { |
| 909 | if (asec->name && strcmp (asec->name, ".text") == 0) |
| 910 | { |
| 911 | hdr->sh_info = indx; |
| 912 | hdr->sh_flags |= SHF_INFO_LINK; |
| 913 | break; |
| 914 | } |
| 915 | } |
| 916 | |
| 917 | /* The unwind table entries are 16 bytes long, so it is not clear |
| 918 | why this field is set to 4. (The ELF spec says that the sh_entsize |
| 919 | field is a byte quantity, but this is a processor specific section, |
| 920 | so it is allowed to change the rules). Leave as it is for now. */ |
| 921 | hdr->sh_entsize = 4; |
| 922 | } |
| 923 | return TRUE; |
| 924 | } |
| 925 | |
| 926 | static bfd_boolean |
| 927 | elf_hppa_final_write_processing (bfd *abfd) |
| 928 | { |
| 929 | int mach = bfd_get_mach (abfd); |
| 930 | |
| 931 | elf_elfheader (abfd)->e_flags &= ~(EF_PARISC_ARCH | EF_PARISC_TRAPNIL |
| 932 | | EF_PARISC_EXT | EF_PARISC_LSB |
| 933 | | EF_PARISC_WIDE | EF_PARISC_NO_KABP |
| 934 | | EF_PARISC_LAZYSWAP); |
| 935 | |
| 936 | if (mach == 10) |
| 937 | elf_elfheader (abfd)->e_flags |= EFA_PARISC_1_0; |
| 938 | else if (mach == 11) |
| 939 | elf_elfheader (abfd)->e_flags |= EFA_PARISC_1_1; |
| 940 | else if (mach == 20) |
| 941 | elf_elfheader (abfd)->e_flags |= EFA_PARISC_2_0; |
| 942 | else if (mach == 25) |
| 943 | elf_elfheader (abfd)->e_flags |= (EF_PARISC_WIDE |
| 944 | | EFA_PARISC_2_0 |
| 945 | /* The GNU tools have trapped without |
| 946 | option since 1993, so need to take |
| 947 | a step backwards with the ELF |
| 948 | based toolchains. */ |
| 949 | | EF_PARISC_TRAPNIL); |
| 950 | return _bfd_elf_final_write_processing (abfd); |
| 951 | } |
| 952 | |
| 953 | /* Comparison function for qsort to sort unwind section during a |
| 954 | final link. */ |
| 955 | |
| 956 | static int |
| 957 | hppa_unwind_entry_compare (const void *a, const void *b) |
| 958 | { |
| 959 | const bfd_byte *ap, *bp; |
| 960 | unsigned long av, bv; |
| 961 | |
| 962 | ap = a; |
| 963 | av = (unsigned long) ap[0] << 24; |
| 964 | av |= (unsigned long) ap[1] << 16; |
| 965 | av |= (unsigned long) ap[2] << 8; |
| 966 | av |= (unsigned long) ap[3]; |
| 967 | |
| 968 | bp = b; |
| 969 | bv = (unsigned long) bp[0] << 24; |
| 970 | bv |= (unsigned long) bp[1] << 16; |
| 971 | bv |= (unsigned long) bp[2] << 8; |
| 972 | bv |= (unsigned long) bp[3]; |
| 973 | |
| 974 | return av < bv ? -1 : av > bv ? 1 : 0; |
| 975 | } |
| 976 | |
| 977 | static bfd_boolean |
| 978 | elf_hppa_sort_unwind (bfd *abfd) |
| 979 | { |
| 980 | asection *s; |
| 981 | |
| 982 | /* Magic section names, but this is much safer than having |
| 983 | relocate_section remember where SEGREL32 relocs occurred. |
| 984 | Consider what happens if someone inept creates a linker script |
| 985 | that puts unwind information in .text. */ |
| 986 | s = bfd_get_section_by_name (abfd, ".PARISC.unwind"); |
| 987 | if (s != NULL) |
| 988 | { |
| 989 | bfd_size_type size; |
| 990 | bfd_byte *contents; |
| 991 | |
| 992 | if (!bfd_malloc_and_get_section (abfd, s, &contents)) |
| 993 | return FALSE; |
| 994 | |
| 995 | size = s->size; |
| 996 | qsort (contents, (size_t) (size / 16), 16, hppa_unwind_entry_compare); |
| 997 | |
| 998 | if (! bfd_set_section_contents (abfd, s, contents, (file_ptr) 0, size)) |
| 999 | return FALSE; |
| 1000 | } |
| 1001 | |
| 1002 | return TRUE; |
| 1003 | } |
| 1004 | |
| 1005 | /* What to do when ld finds relocations against symbols defined in |
| 1006 | discarded sections. */ |
| 1007 | |
| 1008 | static unsigned int |
| 1009 | elf_hppa_action_discarded (asection *sec) |
| 1010 | { |
| 1011 | /* Ignore relocations in .data.rel.ro.local. This section can contain |
| 1012 | PLABEL32 relocations to functions in discarded COMDAT groups. */ |
| 1013 | if (strcmp (".data.rel.ro.local", sec->name) == 0) |
| 1014 | return 0; |
| 1015 | |
| 1016 | if (strcmp (".PARISC.unwind", sec->name) == 0) |
| 1017 | return 0; |
| 1018 | |
| 1019 | return _bfd_elf_default_action_discarded (sec); |
| 1020 | } |