1 /* HPPA ELF support for BFD.
2 Copyright (C) 1993, 94, 95, 99, 2000 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
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 2 of the License, or
9 (at your option) any later version.
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.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20 /* This file holds definitions specific to the HPPA ELF ABI. Note
21 that most of this is not actually implemented by BFD. */
26 /* Processor specific flags for the ELF header e_flags field. */
28 /* Trap null address dereferences. */
29 #define EF_PARISC_TRAPNIL 0x00010000
31 /* .PARISC.archext section is present. */
32 #define EF_PARISC_EXT 0x00020000
34 /* Program expects little-endian mode. */
35 #define EF_PARISC_LSB 0x00040000
37 /* Program expects wide mode. */
38 #define EF_PARISC_WIDE 0x00080000
40 /* Do not allow kernel-assisted branch prediction. */
41 #define EF_PARISC_NO_KABP 0x00100000
43 /* Allow lazy swap for dynamically allocated program segments. */
44 #define EF_PARISC_LAZYSWAP 0x00400000
46 /* Architecture version */
47 #define EF_PARISC_ARCH 0x0000ffff
49 #define EFA_PARISC_1_0 0x020b
50 #define EFA_PARISC_1_1 0x0210
51 #define EFA_PARISC_2_0 0x0214
53 /* Special section indices. */
54 /* A symbol that has been declared as a tentative definition in an ANSI C
56 #define SHN_PARISC_ANSI_COMMON 0xff00
58 /* A symbol that has been declared as a common block using the
60 #define SHN_PARISC_HUGE_COMMON 0xff01
62 /* Processor specific section types. */
64 /* Section contains product specific extension bits. */
65 #define SHT_PARISC_EXT 0x70000000
67 /* Section contains unwind table entries. */
68 #define SHT_PARISC_UNWIND 0x70000001
70 /* Section contains debug information for optimized code. */
71 #define SHT_PARISC_DOC 0x70000002
73 /* Section contains code annotations. */
74 #define SHT_PARISC_ANNOT 0x70000003
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
81 /* Option section for linker stubs. */
82 #define SHT_PARISC_STUBS SHT_LOPROC+9
84 /* Processor specific section flags. */
86 /* Section contains code compiled for static branch prediction. */
87 #define SHF_PARISC_SBP 0x80000000
89 /* Section should be allocated from from GP. */
90 #define SHF_PARISC_HUGE 0x40000000
92 /* Section should go near GP. */
93 #define SHF_PARISC_SHORT 0x20000000
96 /* Identifies the entry point of a millicode routine. */
97 #define STT_PARISC_MILLI 13
99 /* ELF/HPPA relocation types */
101 /* Note: PA-ELF is defined to use only RELA relocations. */
102 #include "elf/reloc-macros.h"
104 START_RELOC_NUMBERS (elf_hppa_reloc_type
)
105 RELOC_NUMBER (R_PARISC_NONE
, 0) /* No reloc */
107 /* Data / Inst. Format Relocation Expression */
109 RELOC_NUMBER (R_PARISC_DIR32
, 1)
110 /* 32-bit word symbol + addend */
112 RELOC_NUMBER (R_PARISC_DIR21L
, 2)
113 /* long immediate (7) LR(symbol, addend) */
115 RELOC_NUMBER (R_PARISC_DIR17R
, 3)
116 /* branch external (19) RR(symbol, addend) */
118 RELOC_NUMBER (R_PARISC_DIR17F
, 4)
119 /* branch external (19) symbol + addend */
121 RELOC_NUMBER (R_PARISC_DIR14R
, 6)
122 /* load/store (1) RR(symbol, addend) */
124 /* PC-relative relocation types
125 Typically used for calls.
126 Note PCREL17C and PCREL17F differ only in overflow handling.
127 PCREL17C never reports a relocation error.
129 When supporting argument relocations, function calls must be
130 accompanied by parameter relocation information. This information is
131 carried in the ten high-order bits of the addend field. The remaining
132 22 bits of of the addend field are sign-extended to form the Addend.
134 Note the code to build argument relocations depends on the
135 addend being zero. A consequence of this limitation is GAS
136 can not perform relocation reductions for function symbols. */
138 RELOC_NUMBER (R_PARISC_PCREL32
, 9)
139 /* 32-bit word symbol - PC - 8 + addend */
141 RELOC_NUMBER (R_PARISC_PCREL21L
, 10)
142 /* long immediate (7) L(symbol - PC - 8 + addend) */
144 RELOC_NUMBER (R_PARISC_PCREL17R
, 11)
145 /* branch external (19) R(symbol - PC - 8 + addend) */
147 RELOC_NUMBER (R_PARISC_PCREL17F
, 12)
148 /* branch (20) symbol - PC - 8 + addend */
150 RELOC_NUMBER (R_PARISC_PCREL17C
, 13)
151 /* branch (20) symbol - PC - 8 + addend */
153 RELOC_NUMBER (R_PARISC_PCREL14R
, 14)
154 /* load/store (1) R(symbol - PC - 8 + addend) */
156 RELOC_NUMBER (R_PARISC_PCREL14F
, 15)
157 /* load/store (1) symbol - PC - 8 + addend */
160 /* DP-relative relocation types. */
161 RELOC_NUMBER (R_PARISC_DPREL21L
, 18)
162 /* long immediate (7) LR(symbol - GP, addend) */
164 RELOC_NUMBER (R_PARISC_DPREL14WR
, 19)
165 /* load/store mod. comp. (2) RR(symbol - GP, addend) */
167 RELOC_NUMBER (R_PARISC_DPREL14DR
, 20)
168 /* load/store doubleword (3) RR(symbol - GP, addend) */
170 RELOC_NUMBER (R_PARISC_DPREL14R
, 22)
171 /* load/store (1) RR(symbol - GP, addend) */
173 RELOC_NUMBER (R_PARISC_DPREL14F
, 23)
174 /* load/store (1) symbol - GP + addend */
177 /* Data linkage table (DLT) relocation types
179 SOM DLT_REL fixup requests are used to for static data references
180 from position-independent code within shared libraries. They are
181 similar to the GOT relocation types in some SVR4 implementations. */
183 RELOC_NUMBER (R_PARISC_DLTREL21L
, 26)
184 /* long immediate (7) LR(symbol - GP, addend) */
186 RELOC_NUMBER (R_PARISC_DLTREL14R
, 30)
187 /* load/store (1) RR(symbol - GP, addend) */
189 RELOC_NUMBER (R_PARISC_DLTREL14F
, 31)
190 /* load/store (1) symbol - GP + addend */
193 /* DLT indirect relocation types */
194 RELOC_NUMBER (R_PARISC_DLTIND21L
, 34)
195 /* long immediate (7) L(ltoff(symbol + addend)) */
197 RELOC_NUMBER (R_PARISC_DLTIND14R
, 38)
198 /* load/store (1) R(ltoff(symbol + addend)) */
200 RELOC_NUMBER (R_PARISC_DLTIND14F
, 39)
201 /* load/store (1) ltoff(symbol + addend) */
204 /* Base relative relocation types. Ugh. These imply lots of state */
205 RELOC_NUMBER (R_PARISC_SETBASE
, 40)
206 /* none no reloc; base := sym */
208 RELOC_NUMBER (R_PARISC_SECREL32
, 41)
209 /* 32-bit word symbol - SECT + addend */
211 RELOC_NUMBER (R_PARISC_BASEREL21L
, 42)
212 /* long immediate (7) LR(symbol - base, addend) */
214 RELOC_NUMBER (R_PARISC_BASEREL17R
, 43)
215 /* branch external (19) RR(symbol - base, addend) */
217 RELOC_NUMBER (R_PARISC_BASEREL17F
, 44)
218 /* branch external (19) symbol - base + addend */
220 RELOC_NUMBER (R_PARISC_BASEREL14R
, 46)
221 /* load/store (1) RR(symbol - base, addend) */
223 RELOC_NUMBER (R_PARISC_BASEREL14F
, 47)
224 /* load/store (1) symbol - base, addend */
227 /* Segment relative relocation types. */
228 RELOC_NUMBER (R_PARISC_SEGBASE
, 48)
229 /* none no relocation; SB := sym */
231 RELOC_NUMBER (R_PARISC_SEGREL32
, 49)
232 /* 32-bit word symbol - SB + addend */
235 /* Offsets from the PLT. */
236 RELOC_NUMBER (R_PARISC_PLTOFF21L
, 50)
237 /* long immediate (7) LR(pltoff(symbol), addend) */
239 RELOC_NUMBER (R_PARISC_PLTOFF14R
, 54)
240 /* load/store (1) RR(pltoff(symbol), addend) */
242 RELOC_NUMBER (R_PARISC_PLTOFF14F
, 55)
243 /* load/store (1) pltoff(symbol) + addend */
246 RELOC_NUMBER (R_PARISC_LTOFF_FPTR32
, 57)
247 /* 32-bit word ltoff(fptr(symbol+addend)) */
249 RELOC_NUMBER (R_PARISC_LTOFF_FPTR21L
, 58)
250 /* long immediate (7) L(ltoff(fptr(symbol+addend))) */
252 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14R
, 62)
253 /* load/store (1) R(ltoff(fptr(symbol+addend))) */
256 RELOC_NUMBER (R_PARISC_FPTR64
, 64)
257 /* 64-bit doubleword fptr(symbol+addend) */
260 /* Plabel relocation types. */
261 RELOC_NUMBER (R_PARISC_PLABEL32
, 65)
262 /* 32-bit word fptr(symbol) */
264 RELOC_NUMBER (R_PARISC_PLABEL21L
, 66)
265 /* long immediate (7) L(fptr(symbol)) */
267 RELOC_NUMBER (R_PARISC_PLABEL14R
, 70)
268 /* load/store (1) R(fptr(symbol)) */
271 /* PCREL relocations. */
272 RELOC_NUMBER (R_PARISC_PCREL64
, 72)
273 /* 64-bit doubleword symbol - PC - 8 + addend */
275 RELOC_NUMBER (R_PARISC_PCREL22C
, 73)
276 /* branch & link (21) symbol - PC - 8 + addend */
278 RELOC_NUMBER (R_PARISC_PCREL22F
, 74)
279 /* branch & link (21) symbol - PC - 8 + addend */
281 RELOC_NUMBER (R_PARISC_PCREL14WR
, 75)
282 /* load/store mod. comp. (2) R(symbol - PC - 8 + addend) */
284 RELOC_NUMBER (R_PARISC_PCREL14DR
, 76)
285 /* load/store doubleword (3) R(symbol - PC - 8 + addend) */
287 RELOC_NUMBER (R_PARISC_PCREL16F
, 77)
288 /* load/store (1) symbol - PC - 8 + addend */
290 RELOC_NUMBER (R_PARISC_PCREL16WF
, 78)
291 /* load/store mod. comp. (2) symbol - PC - 8 + addend */
293 RELOC_NUMBER (R_PARISC_PCREL16DF
, 79)
294 /* load/store doubleword (3) symbol - PC - 8 + addend */
297 RELOC_NUMBER (R_PARISC_DIR64
, 80)
298 /* 64-bit doubleword symbol + addend */
300 RELOC_NUMBER (R_PARISC_DIR64WR
, 81)
301 /* 64-bit doubleword RR(symbol, addend) */
303 RELOC_NUMBER (R_PARISC_DIR64DR
, 82)
304 /* 64-bit doubleword RR(symbol, addend) */
306 RELOC_NUMBER (R_PARISC_DIR14WR
, 83)
307 /* load/store mod. comp. (2) RR(symbol, addend) */
309 RELOC_NUMBER (R_PARISC_DIR14DR
, 84)
310 /* load/store doubleword (3) RR(symbol, addend) */
312 RELOC_NUMBER (R_PARISC_DIR16F
, 85)
313 /* load/store (1) symbol + addend */
315 RELOC_NUMBER (R_PARISC_DIR16WF
, 86)
316 /* load/store mod. comp. (2) symbol + addend */
318 RELOC_NUMBER (R_PARISC_DIR16DF
, 87)
319 /* load/store doubleword (3) symbol + addend */
321 RELOC_NUMBER (R_PARISC_GPREL64
, 88)
322 /* 64-bit doubleword symbol - GP + addend */
324 RELOC_NUMBER (R_PARISC_DLTREL14WR
, 91)
325 /* load/store mod. comp. (2) RR(symbol - GP, addend) */
327 RELOC_NUMBER (R_PARISC_DLTREL14DR
, 92)
328 /* load/store doubleword (3) RR(symbol - GP, addend) */
330 RELOC_NUMBER (R_PARISC_GPREL16F
, 93)
331 /* load/store (1) symbol - GP + addend */
333 RELOC_NUMBER (R_PARISC_GPREL16WF
, 94)
334 /* load/store mod. comp. (2) symbol - GP + addend */
336 RELOC_NUMBER (R_PARISC_GPREL16DF
, 95)
337 /* load/store doubleword (3) symbol - GP + addend */
340 RELOC_NUMBER (R_PARISC_LTOFF64
, 96)
341 /* 64-bit doubleword ltoff(symbol + addend) */
343 RELOC_NUMBER (R_PARISC_DLTIND14WR
, 99)
344 /* load/store mod. comp. (2) R(ltoff(symbol + addend)) */
346 RELOC_NUMBER (R_PARISC_DLTIND14DR
, 100)
347 /* load/store doubleword (3) R(ltoff(symbol + addend)) */
349 RELOC_NUMBER (R_PARISC_LTOFF16F
, 101)
350 /* load/store (1) ltoff(symbol + addend) */
352 RELOC_NUMBER (R_PARISC_LTOFF16WF
, 102)
353 /* load/store mod. comp. (2) ltoff(symbol + addend) */
355 RELOC_NUMBER (R_PARISC_LTOFF16DF
, 103)
356 /* load/store doubleword (3) ltoff(symbol + addend) */
359 RELOC_NUMBER (R_PARISC_SECREL64
, 104)
360 /* 64-bit doubleword symbol - SECT + addend */
362 RELOC_NUMBER (R_PARISC_BASEREL14WR
, 107)
363 /* load/store mod. comp. (2) RR(symbol - base, addend) */
365 RELOC_NUMBER (R_PARISC_BASEREL14DR
, 108)
366 /* load/store doubleword (3) RR(symbol - base, addend) */
369 RELOC_NUMBER (R_PARISC_SEGREL64
, 112)
370 /* 64-bit doubleword symbol - SB + addend */
372 RELOC_NUMBER (R_PARISC_PLTOFF14WR
, 115)
373 /* load/store mod. comp. (2) RR(pltoff(symbol), addend) */
375 RELOC_NUMBER (R_PARISC_PLTOFF14DR
, 116)
376 /* load/store doubleword (3) RR(pltoff(symbol), addend) */
378 RELOC_NUMBER (R_PARISC_PLTOFF16F
, 117)
379 /* load/store (1) pltoff(symbol) + addend */
381 RELOC_NUMBER (R_PARISC_PLTOFF16WF
, 118)
382 /* load/store mod. comp. (2) pltoff(symbol) + addend */
384 RELOC_NUMBER (R_PARISC_PLTOFF16DF
, 119)
385 /* load/store doubleword (3) pltoff(symbol) + addend */
388 RELOC_NUMBER (R_PARISC_LTOFF_FPTR64
, 120)
389 /* 64-bit doubleword ltoff(fptr(symbol+addend)) */
391 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14WR
, 123)
392 /* load/store mod. comp. (2) R(ltoff(fptr(symbol+addend))) */
394 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14DR
, 124)
395 /* load/store doubleword (3) R(ltoff(fptr(symbol+addend))) */
397 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16F
, 125)
398 /* load/store (1) ltoff(fptr(symbol+addend)) */
400 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16WF
, 126)
401 /* load/store mod. comp. (2) ltoff(fptr(symbol+addend)) */
403 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16DF
, 127)
404 /* load/store doubleword (3) ltoff(fptr(symbol+addend)) */
407 RELOC_NUMBER (R_PARISC_COPY
, 128)
408 /* data Dynamic relocations only */
410 RELOC_NUMBER (R_PARISC_IPLT
, 129)
413 RELOC_NUMBER (R_PARISC_EPLT
, 130)
417 RELOC_NUMBER (R_PARISC_TPREL32
, 153)
418 /* 32-bit word symbol - TP + addend */
420 RELOC_NUMBER (R_PARISC_TPREL21L
, 154)
421 /* long immediate (7) LR(symbol - TP, addend) */
423 RELOC_NUMBER (R_PARISC_TPREL14R
, 158)
424 /* load/store (1) RR(symbol - TP, addend) */
427 RELOC_NUMBER (R_PARISC_LTOFF_TP21L
, 162)
428 /* long immediate (7) L(ltoff(symbol - TP + addend)) */
430 RELOC_NUMBER (R_PARISC_LTOFF_TP14R
, 166)
431 /* load/store (1) R(ltoff(symbol - TP + addend)) */
433 RELOC_NUMBER (R_PARISC_LTOFF_TP14F
, 167)
434 /* load/store (1) ltoff(symbol - TP + addend) */
437 RELOC_NUMBER (R_PARISC_TPREL64
, 216)
438 /* 64-bit word symbol - TP + addend */
440 RELOC_NUMBER (R_PARISC_TPREL14WR
, 219)
441 /* load/store mod. comp. (2) RR(symbol - TP, addend) */
443 RELOC_NUMBER (R_PARISC_TPREL14DR
, 220)
444 /* load/store doubleword (3) RR(symbol - TP, addend) */
446 RELOC_NUMBER (R_PARISC_TPREL16F
, 221)
447 /* load/store (1) symbol - TP + addend */
449 RELOC_NUMBER (R_PARISC_TPREL16WF
, 222)
450 /* load/store mod. comp. (2) symbol - TP + addend */
452 RELOC_NUMBER (R_PARISC_TPREL16DF
, 223)
453 /* load/store doubleword (3) symbol - TP + addend */
456 RELOC_NUMBER (R_PARISC_LTOFF_TP64
, 224)
457 /* 64-bit doubleword ltoff(symbol - TP + addend) */
459 RELOC_NUMBER (R_PARISC_LTOFF_TP14WR
, 227)
460 /* load/store mod. comp. (2) R(ltoff(symbol - TP + addend)) */
462 RELOC_NUMBER (R_PARISC_LTOFF_TP14DR
, 228)
463 /* load/store doubleword (3) R(ltoff(symbol - TP + addend)) */
465 RELOC_NUMBER (R_PARISC_LTOFF_TP16F
, 229)
466 /* load/store (1) ltoff(symbol - TP + addend) */
468 RELOC_NUMBER (R_PARISC_LTOFF_TP16WF
, 230)
469 /* load/store mod. comp. (2) ltoff(symbol - TP + addend) */
471 RELOC_NUMBER (R_PARISC_LTOFF_TP16DF
, 231)
472 /* load/store doubleword (3) ltoff(symbol - TP + addend) */
474 END_RELOC_NUMBERS (R_PARISC_UNIMPLEMENTED
)
476 #ifndef RELOC_MACROS_GEN_FUNC
477 typedef enum elf_hppa_reloc_type elf_hppa_reloc_type
;
480 #define PT_PARISC_ARCHEXT 0x70000000
481 #define PT_PARISC_UNWIND 0x70000001
482 #define PF_PARISC_SBP 0x08000000
483 #define PF_HP_PAGE_SIZE 0x00100000
484 #define PF_HP_FAR_SHARED 0x00200000
485 #define PF_HP_NEAR_SHARED 0x00400000
486 #define PF_HP_CODE 0x01000000
487 #define PF_HP_MODIFY 0x02000000
488 #define PF_HP_LAZYSWAP 0x04000000
489 #define PF_HP_SBP 0x08000000
492 /* Processor specific dynamic array tags. */
494 #define DT_HP_LOAD_MAP (DT_LOOS + 0x0)
495 #define DT_HP_DLD_FLAGS (DT_LOOS + 0x1)
496 #define DT_HP_DLD_HOOK (DT_LOOS + 0x2)
497 #define DT_HP_UX10_INIT (DT_LOOS + 0x3)
498 #define DT_HP_UX10_INITSZ (DT_LOOS + 0x4)
499 #define DT_HP_PREINIT (DT_LOOS + 0x5)
500 #define DT_HP_PREINITSZ (DT_LOOS + 0x6)
501 #define DT_HP_NEEDED (DT_LOOS + 0x7)
502 #define DT_HP_TIME_STAMP (DT_LOOS + 0x8)
503 #define DT_HP_CHECKSUM (DT_LOOS + 0x9)
504 #define DT_HP_GST_SIZE (DT_LOOS + 0xa)
505 #define DT_HP_GST_VERSION (DT_LOOS + 0xb)
506 #define DT_HP_GST_HASHVAL (DT_LOOS + 0xc)
508 /* Values for DT_HP_DLD_FLAGS. */
509 #define DT_HP_DEBUG_PRIVATE 0x0001 /* Map text private */
510 #define DT_HP_DEBUG_CALLBACK 0x0002 /* Callback */
511 #define DT_HP_DEBUG_CALLBACK_BOR 0x0004 /* BOR callback */
512 #define DT_HP_NO_ENVVAR 0x0008 /* No env var */
513 #define DT_HP_BIND_NOW 0x0010 /* Bind now */
514 #define DT_HP_BIND_NONFATAL 0x0020 /* Bind non-fatal */
515 #define DT_HP_BIND_VERBOSE 0x0040 /* Bind verbose */
516 #define DT_HP_BIND_RESTRICTED 0x0080 /* Bind restricted */
517 #define DT_HP_BIND_SYMBOLIC 0x0100 /* Bind symbolic */
518 #define DT_HP_RPATH_FIRST 0x0200 /* RPATH first */
519 #define DT_HP_BIND_DEPTH_FIRST 0x0400 /* Bind depth-first */
521 /* Program header extensions. */
522 #define PT_HP_TLS (PT_LOOS + 0x0)
523 #define PT_HP_CORE_NONE (PT_LOOS + 0x1)
524 #define PT_HP_CORE_VERSION (PT_LOOS + 0x2)
525 #define PT_HP_CORE_KERNEL (PT_LOOS + 0x3)
526 #define PT_HP_CORE_COMM (PT_LOOS + 0x4)
527 #define PT_HP_CORE_PROC (PT_LOOS + 0x5)
528 #define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6)
529 #define PT_HP_CORE_STACK (PT_LOOS + 0x7)
530 #define PT_HP_CORE_SHM (PT_LOOS + 0x8)
531 #define PT_HP_CORE_MMF (PT_LOOS + 0x9)
532 #define PT_HP_PARALLEL (PT_LOOS + 0x10)
533 #define PT_HP_FASTBIND (PT_LOOS + 0x11)
535 /* Additional symbol types. */
536 #define STT_HP_OPAQUE (STT_LOOS + 0x1)
537 #define STT_HP_STUB (STT_LOOS + 0x2)
539 #endif /* _ELF_HPPA_H */