hppa.h revision 68673
1/* HPPA ELF support for BFD. 2 Copyright (C) 1993, 1994, 1999 Free Software Foundation, Inc. 3 4This file is part of BFD, the Binary File Descriptor library. 5 6This program is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2 of the License, or 9(at your option) any later version. 10 11This program is distributed in the hope that it will be useful, 12but WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14GNU General Public License for more details. 15 16You should have received a copy of the GNU General Public License 17along with this program; if not, write to the Free Software 18Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 19 20/* This file holds definitions specific to the HPPA ELF ABI. Note 21 that most of this is not actually implemented by BFD. */ 22 23#ifndef _ELF_HPPA_H 24#define _ELF_HPPA_H 25 26/* Processor specific flags for the ELF header e_flags field. */ 27 28/* Trap null address dereferences. */ 29#define EF_PARISC_TRAPNIL 0x00010000 30 31/* .PARISC.archext section is present. */ 32#define EF_PARISC_EXT 0x00020000 33 34/* Program expects little-endian mode. */ 35#define EF_PARISC_LSB 0x00040000 36 37/* Program expects wide mode. */ 38#define EF_PARISC_WIDE 0x00080000 39 40/* Do not allow kernel-assisted branch prediction. */ 41#define EF_PARISC_NO_KABP 0x00100000 42 43/* Allow lazy swap for dynamically allocated program segments. */ 44#define EF_PARISC_LAZYSWAP 0x00400000 45 46/* Architecture version */ 47#define EF_PARISC_ARCH 0x0000ffff 48 49#define EFA_PARISC_1_0 0x020b 50#define EFA_PARISC_1_1 0x0210 51#define EFA_PARISC_2_0 0x0214 52 53/* Special section indices. */ 54/* A symbol that has been declared as a tentative definition in an ANSI C 55 compilation. */ 56#define SHN_PARISC_ANSI_COMMON 0xff00 57 58/* A symbol that has been declared as a common block using the 59 huge memory model. */ 60#define SHN_PARISC_HUGE_COMMON 0xff01 61 62/* Processor specific section types. */ 63 64/* Section contains product specific extension bits. */ 65#define SHT_PARISC_EXT 0x70000000 66 67/* Section contains unwind table entries. */ 68#define SHT_PARISC_UNWIND 0x70000001 69 70/* Section contains debug information for optimized code. */ 71#define SHT_PARISC_DOC 0x70000002 72 73/* Section contains code annotations. */ 74#define SHT_PARISC_ANNOT 0x70000003 75 76/* These are strictly for compatibility with the older elf32-hppa 77 implementation. Hopefully we can eliminate them in the future. */ 78/* Optional section holding argument location/relocation info. */ 79#define SHT_PARISC_SYMEXTN SHT_LOPROC+8 80 81/* Option section for linker stubs. */ 82#define SHT_PARISC_STUBS SHT_LOPROC+9 83 84/* Processor specific section flags. */ 85 86/* Section contains code compiled for static branch prediction. */ 87#define SHF_PARISC_SBP 0x80000000 88 89/* Section should be allocated from from GP. */ 90#define SHF_PARISC_HUGE 0x40000000 91 92/* Section should go near GP. */ 93#define SHF_PARISC_SHORT 0x20000000 94 95 96/* Identifies the entry point of a millicode routine. */ 97#define STT_PARISC_MILLI 13 98 99/* ELF/HPPA relocation types */ 100 101/* Note: PA-ELF is defined to use only RELA relocations. */ 102#include "elf/reloc-macros.h" 103 104START_RELOC_NUMBERS (elf_hppa_reloc_type) 105 RELOC_NUMBER (R_PARISC_NONE, 0) /* No reloc */ 106 107 /* These relocation types do simple base + offset relocations. */ 108 109 RELOC_NUMBER (R_PARISC_DIR32, 1) 110 RELOC_NUMBER (R_PARISC_DIR21L, 2) 111 RELOC_NUMBER (R_PARISC_DIR17R, 3) 112 RELOC_NUMBER (R_PARISC_DIR17F, 4) 113 RELOC_NUMBER (R_PARISC_DIR14R, 6) 114 115 /* PC-relative relocation types 116 Typically used for calls. 117 Note PCREL17C and PCREL17F differ only in overflow handling. 118 PCREL17C never reports a relocation error. 119 120 When supporting argument relocations, function calls must be 121 accompanied by parameter relocation information. This information is 122 carried in the ten high-order bits of the addend field. The remaining 123 22 bits of of the addend field are sign-extended to form the Addend. 124 125 Note the code to build argument relocations depends on the 126 addend being zero. A consequence of this limitation is GAS 127 can not perform relocation reductions for function symbols. */ 128 129 RELOC_NUMBER (R_PARISC_PCREL32, 9) 130 RELOC_NUMBER (R_PARISC_PCREL21L, 10) 131 RELOC_NUMBER (R_PARISC_PCREL17R, 11) 132 RELOC_NUMBER (R_PARISC_PCREL17F, 12) 133 RELOC_NUMBER (R_PARISC_PCREL17C, 13) 134 RELOC_NUMBER (R_PARISC_PCREL14R, 14) 135 RELOC_NUMBER (R_PARISC_PCREL14F, 15) 136 137 /* DP-relative relocation types. */ 138 RELOC_NUMBER (R_PARISC_DPREL21L, 18) 139 RELOC_NUMBER (R_PARISC_DPREL14WR, 19) 140 RELOC_NUMBER (R_PARISC_DPREL14DR, 20) 141 RELOC_NUMBER (R_PARISC_DPREL14R, 22) 142 RELOC_NUMBER (R_PARISC_DPREL14F, 23) 143 144 /* Data linkage table (DLT) relocation types 145 146 SOM DLT_REL fixup requests are used to for static data references 147 from position-independent code within shared libraries. They are 148 similar to the GOT relocation types in some SVR4 implementations. */ 149 150 RELOC_NUMBER (R_PARISC_DLTREL21L, 26) 151 RELOC_NUMBER (R_PARISC_DLTREL14R, 30) 152 RELOC_NUMBER (R_PARISC_DLTREL14F, 31) 153 154 /* DLT indirect relocation types */ 155 RELOC_NUMBER (R_PARISC_DLTIND21L, 34) 156 RELOC_NUMBER (R_PARISC_DLTIND14R, 38) 157 RELOC_NUMBER (R_PARISC_DLTIND14F, 39) 158 159 /* Base relative relocation types. Ugh. These imply lots of state */ 160 RELOC_NUMBER (R_PARISC_SETBASE, 40) 161 RELOC_NUMBER (R_PARISC_SECREL32, 41) 162 RELOC_NUMBER (R_PARISC_BASEREL21L, 42) 163 RELOC_NUMBER (R_PARISC_BASEREL17R, 43) 164 RELOC_NUMBER (R_PARISC_BASEREL17F, 44) 165 RELOC_NUMBER (R_PARISC_BASEREL14R, 46) 166 RELOC_NUMBER (R_PARISC_BASEREL14F, 47) 167 168 /* Segment relative relocation types. */ 169 RELOC_NUMBER (R_PARISC_SEGBASE, 48) 170 RELOC_NUMBER (R_PARISC_SEGREL32, 49) 171 172 /* Offsets from the PLT. */ 173 RELOC_NUMBER (R_PARISC_PLTOFF21L, 50) 174 RELOC_NUMBER (R_PARISC_PLTOFF14R, 54) 175 RELOC_NUMBER (R_PARISC_PLTOFF14F, 55) 176 177 RELOC_NUMBER (R_PARISC_LTOFF_FPTR32, 57) 178 RELOC_NUMBER (R_PARISC_LTOFF_FPTR21L, 58) 179 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14R, 62) 180 181 RELOC_NUMBER (R_PARISC_FPTR64, 64) 182 183 /* Plabel relocation types. */ 184 RELOC_NUMBER (R_PARISC_PLABEL32, 65) 185 RELOC_NUMBER (R_PARISC_PLABEL21L, 66) 186 RELOC_NUMBER (R_PARISC_PLABEL14R, 70) 187 188 /* PCREL relocations. */ 189 RELOC_NUMBER (R_PARISC_PCREL64, 72) 190 RELOC_NUMBER (R_PARISC_PCREL22C, 73) 191 RELOC_NUMBER (R_PARISC_PCREL22F, 74) 192 RELOC_NUMBER (R_PARISC_PCREL14WR, 75) 193 RELOC_NUMBER (R_PARISC_PCREL14DR, 76) 194 RELOC_NUMBER (R_PARISC_PCREL16F, 77) 195 RELOC_NUMBER (R_PARISC_PCREL16WF, 78) 196 RELOC_NUMBER (R_PARISC_PCREL16DF, 79) 197 198 199 RELOC_NUMBER (R_PARISC_DIR64, 80) 200 RELOC_NUMBER (R_PARISC_DIR64WR, 81) 201 RELOC_NUMBER (R_PARISC_DIR64DR, 82) 202 RELOC_NUMBER (R_PARISC_DIR14WR, 83) 203 RELOC_NUMBER (R_PARISC_DIR14DR, 84) 204 RELOC_NUMBER (R_PARISC_DIR16F, 85) 205 RELOC_NUMBER (R_PARISC_DIR16WF, 86) 206 RELOC_NUMBER (R_PARISC_DIR16DF, 87) 207 208 RELOC_NUMBER (R_PARISC_GPREL64, 88) 209 210 RELOC_NUMBER (R_PARISC_DLTREL14WR, 91) 211 RELOC_NUMBER (R_PARISC_DLTREL14DR, 92) 212 RELOC_NUMBER (R_PARISC_GPREL16F, 93) 213 RELOC_NUMBER (R_PARISC_GPREL16WF, 94) 214 RELOC_NUMBER (R_PARISC_GPREL16DF, 95) 215 216 217 RELOC_NUMBER (R_PARISC_LTOFF64, 96) 218 RELOC_NUMBER (R_PARISC_DLTIND14WR, 99) 219 RELOC_NUMBER (R_PARISC_DLTIND14DR, 100) 220 RELOC_NUMBER (R_PARISC_LTOFF16F, 101) 221 RELOC_NUMBER (R_PARISC_LTOFF16WF, 102) 222 RELOC_NUMBER (R_PARISC_LTOFF16DF, 103) 223 224 RELOC_NUMBER (R_PARISC_SECREL64, 104) 225 226 RELOC_NUMBER (R_PARISC_BASEREL14WR, 107) 227 RELOC_NUMBER (R_PARISC_BASEREL14DR, 108) 228 229 RELOC_NUMBER (R_PARISC_SEGREL64, 112) 230 231 RELOC_NUMBER (R_PARISC_PLTOFF14WR, 115) 232 RELOC_NUMBER (R_PARISC_PLTOFF14DR, 116) 233 RELOC_NUMBER (R_PARISC_PLTOFF16F, 117) 234 RELOC_NUMBER (R_PARISC_PLTOFF16WF, 118) 235 RELOC_NUMBER (R_PARISC_PLTOFF16DF, 119) 236 237 RELOC_NUMBER (R_PARISC_LTOFF_FPTR64, 120) 238 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14WR, 123) 239 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14DR, 124) 240 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16F, 125) 241 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16WF, 126) 242 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16DF, 127) 243 244 245 RELOC_NUMBER (R_PARISC_COPY, 128) 246 RELOC_NUMBER (R_PARISC_IPLT, 129) 247 RELOC_NUMBER (R_PARISC_EPLT, 130) 248 249 RELOC_NUMBER (R_PARISC_TPREL32, 153) 250 RELOC_NUMBER (R_PARISC_TPREL21L, 154) 251 RELOC_NUMBER (R_PARISC_TPREL14R, 158) 252 253 RELOC_NUMBER (R_PARISC_LTOFF_TP21L, 162) 254 RELOC_NUMBER (R_PARISC_LTOFF_TP14R, 166) 255 RELOC_NUMBER (R_PARISC_LTOFF_TP14F, 167) 256 257 RELOC_NUMBER (R_PARISC_TPREL64, 216) 258 RELOC_NUMBER (R_PARISC_TPREL14WR, 219) 259 RELOC_NUMBER (R_PARISC_TPREL14DR, 220) 260 RELOC_NUMBER (R_PARISC_TPREL16F, 221) 261 RELOC_NUMBER (R_PARISC_TPREL16WF, 222) 262 RELOC_NUMBER (R_PARISC_TPREL16DF, 223) 263 264 RELOC_NUMBER (R_PARISC_LTOFF_TP64, 224) 265 RELOC_NUMBER (R_PARISC_LTOFF_TP14WR, 227) 266 RELOC_NUMBER (R_PARISC_LTOFF_TP14DR, 228) 267 RELOC_NUMBER (R_PARISC_LTOFF_TP16F, 229) 268 RELOC_NUMBER (R_PARISC_LTOFF_TP16WF, 230) 269 RELOC_NUMBER (R_PARISC_LTOFF_TP16DF, 231) 270 EMPTY_RELOC (R_PARISC_UNIMPLEMENTED) 271END_RELOC_NUMBERS 272 273#ifndef RELOC_MACROS_GEN_FUNC 274typedef enum elf_hppa_reloc_type elf_hppa_reloc_type; 275#endif 276 277#define PT_PARISC_ARCHEXT 0x70000000 278#define PT_PARISC_UNWIND 0x70000001 279#define PF_PARISC_SBP 0x08000000 280#define PF_HP_PAGE_SIZE 0x00100000 281#define PF_HP_FAR_SHARED 0x00200000 282#define PF_HP_NEAR_SHARED 0x00400000 283#define PF_HP_CODE 0x01000000 284#define PF_HP_MODIFY 0x02000000 285#define PF_HP_LAZYSWAP 0x04000000 286#define PF_HP_SBP 0x08000000 287 288 289/* Processor specific dynamic array tags. */ 290 291#define DT_HP_LOAD_MAP (DT_LOOS + 0x0) 292#define DT_HP_DLD_FLAGS (DT_LOOS + 0x1) 293#define DT_HP_DLD_HOOK (DT_LOOS + 0x2) 294#define DT_HP_UX10_INIT (DT_LOOS + 0x3) 295#define DT_HP_UX10_INITSZ (DT_LOOS + 0x4) 296#define DT_HP_PREINIT (DT_LOOS + 0x5) 297#define DT_HP_PREINITSZ (DT_LOOS + 0x6) 298#define DT_HP_NEEDED (DT_LOOS + 0x7) 299#define DT_HP_TIME_STAMP (DT_LOOS + 0x8) 300#define DT_HP_CHECKSUM (DT_LOOS + 0x9) 301#define DT_HP_GST_SIZE (DT_LOOS + 0xa) 302#define DT_HP_GST_VERSION (DT_LOOS + 0xb) 303#define DT_HP_GST_HASHVAL (DT_LOOS + 0xc) 304 305/* Values for DT_HP_DLD_FLAGS. */ 306#define DT_HP_DEBUG_PRIVATE 0x0001 /* Map text private */ 307#define DT_HP_DEBUG_CALLBACK 0x0002 /* Callback */ 308#define DT_HP_DEBUG_CALLBACK_BOR 0x0004 /* BOR callback */ 309#define DT_HP_NO_ENVVAR 0x0008 /* No env var */ 310#define DT_HP_BIND_NOW 0x0010 /* Bind now */ 311#define DT_HP_BIND_NONFATAL 0x0020 /* Bind non-fatal */ 312#define DT_HP_BIND_VERBOSE 0x0040 /* Bind verbose */ 313#define DT_HP_BIND_RESTRICTED 0x0080 /* Bind restricted */ 314#define DT_HP_BIND_SYMBOLIC 0x0100 /* Bind symbolic */ 315#define DT_HP_RPATH_FIRST 0x0200 /* RPATH first */ 316#define DT_HP_BIND_DEPTH_FIRST 0x0400 /* Bind depth-first */ 317 318/* Program header extensions. */ 319#define PT_HP_TLS (PT_LOOS + 0x0) 320#define PT_HP_CORE_NONE (PT_LOOS + 0x1) 321#define PT_HP_CORE_VERSION (PT_LOOS + 0x2) 322#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3) 323#define PT_HP_CORE_COMM (PT_LOOS + 0x4) 324#define PT_HP_CORE_PROC (PT_LOOS + 0x5) 325#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6) 326#define PT_HP_CORE_STACK (PT_LOOS + 0x7) 327#define PT_HP_CORE_SHM (PT_LOOS + 0x8) 328#define PT_HP_CORE_MMF (PT_LOOS + 0x9) 329#define PT_HP_PARALLEL (PT_LOOS + 0x10) 330#define PT_HP_FASTBIND (PT_LOOS + 0x11) 331 332/* Additional symbol types. */ 333#define STT_HP_OPAQUE (STT_LOOS + 0x1) 334#define STT_HP_STUB (STT_LOOS + 0x2) 335 336#endif /* _ELF_HPPA_H */ 337