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_PCREL12F
, 8)
139 /* op & branch (17) symbol - PC - 8 + addend */
141 RELOC_NUMBER (R_PARISC_PCREL32
, 9)
142 /* 32-bit word symbol - PC - 8 + addend */
144 RELOC_NUMBER (R_PARISC_PCREL21L
, 10)
145 /* long immediate (7) L(symbol - PC - 8 + addend) */
147 RELOC_NUMBER (R_PARISC_PCREL17R
, 11)
148 /* branch external (19) R(symbol - PC - 8 + addend) */
150 RELOC_NUMBER (R_PARISC_PCREL17F
, 12)
151 /* branch (20) symbol - PC - 8 + addend */
153 RELOC_NUMBER (R_PARISC_PCREL17C
, 13)
154 /* branch (20) symbol - PC - 8 + addend */
156 RELOC_NUMBER (R_PARISC_PCREL14R
, 14)
157 /* load/store (1) R(symbol - PC - 8 + addend) */
159 RELOC_NUMBER (R_PARISC_PCREL14F
, 15)
160 /* load/store (1) symbol - PC - 8 + addend */
163 /* DP-relative relocation types. */
164 RELOC_NUMBER (R_PARISC_DPREL21L
, 18)
165 /* long immediate (7) LR(symbol - GP, addend) */
167 RELOC_NUMBER (R_PARISC_DPREL14WR
, 19)
168 /* load/store mod. comp. (2) RR(symbol - GP, addend) */
170 RELOC_NUMBER (R_PARISC_DPREL14DR
, 20)
171 /* load/store doubleword (3) RR(symbol - GP, addend) */
173 RELOC_NUMBER (R_PARISC_DPREL14R
, 22)
174 /* load/store (1) RR(symbol - GP, addend) */
176 RELOC_NUMBER (R_PARISC_DPREL14F
, 23)
177 /* load/store (1) symbol - GP + addend */
180 /* Data linkage table (DLT) relocation types
182 SOM DLT_REL fixup requests are used to for static data references
183 from position-independent code within shared libraries. They are
184 similar to the GOT relocation types in some SVR4 implementations. */
186 RELOC_NUMBER (R_PARISC_DLTREL21L
, 26)
187 /* long immediate (7) LR(symbol - GP, addend) */
189 RELOC_NUMBER (R_PARISC_DLTREL14R
, 30)
190 /* load/store (1) RR(symbol - GP, addend) */
192 RELOC_NUMBER (R_PARISC_DLTREL14F
, 31)
193 /* load/store (1) symbol - GP + addend */
196 /* DLT indirect relocation types */
197 RELOC_NUMBER (R_PARISC_DLTIND21L
, 34)
198 /* long immediate (7) L(ltoff(symbol + addend)) */
200 RELOC_NUMBER (R_PARISC_DLTIND14R
, 38)
201 /* load/store (1) R(ltoff(symbol + addend)) */
203 RELOC_NUMBER (R_PARISC_DLTIND14F
, 39)
204 /* load/store (1) ltoff(symbol + addend) */
207 /* Base relative relocation types. Ugh. These imply lots of state */
208 RELOC_NUMBER (R_PARISC_SETBASE
, 40)
209 /* none no reloc; base := sym */
211 RELOC_NUMBER (R_PARISC_SECREL32
, 41)
212 /* 32-bit word symbol - SECT + addend */
214 RELOC_NUMBER (R_PARISC_BASEREL21L
, 42)
215 /* long immediate (7) LR(symbol - base, addend) */
217 RELOC_NUMBER (R_PARISC_BASEREL17R
, 43)
218 /* branch external (19) RR(symbol - base, addend) */
220 RELOC_NUMBER (R_PARISC_BASEREL17F
, 44)
221 /* branch external (19) symbol - base + addend */
223 RELOC_NUMBER (R_PARISC_BASEREL14R
, 46)
224 /* load/store (1) RR(symbol - base, addend) */
226 RELOC_NUMBER (R_PARISC_BASEREL14F
, 47)
227 /* load/store (1) symbol - base, addend */
230 /* Segment relative relocation types. */
231 RELOC_NUMBER (R_PARISC_SEGBASE
, 48)
232 /* none no relocation; SB := sym */
234 RELOC_NUMBER (R_PARISC_SEGREL32
, 49)
235 /* 32-bit word symbol - SB + addend */
238 /* Offsets from the PLT. */
239 RELOC_NUMBER (R_PARISC_PLTOFF21L
, 50)
240 /* long immediate (7) LR(pltoff(symbol), addend) */
242 RELOC_NUMBER (R_PARISC_PLTOFF14R
, 54)
243 /* load/store (1) RR(pltoff(symbol), addend) */
245 RELOC_NUMBER (R_PARISC_PLTOFF14F
, 55)
246 /* load/store (1) pltoff(symbol) + addend */
249 RELOC_NUMBER (R_PARISC_LTOFF_FPTR32
, 57)
250 /* 32-bit word ltoff(fptr(symbol+addend)) */
252 RELOC_NUMBER (R_PARISC_LTOFF_FPTR21L
, 58)
253 /* long immediate (7) L(ltoff(fptr(symbol+addend))) */
255 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14R
, 62)
256 /* load/store (1) R(ltoff(fptr(symbol+addend))) */
259 RELOC_NUMBER (R_PARISC_FPTR64
, 64)
260 /* 64-bit doubleword fptr(symbol+addend) */
263 /* Plabel relocation types. */
264 RELOC_NUMBER (R_PARISC_PLABEL32
, 65)
265 /* 32-bit word fptr(symbol) */
267 RELOC_NUMBER (R_PARISC_PLABEL21L
, 66)
268 /* long immediate (7) L(fptr(symbol)) */
270 RELOC_NUMBER (R_PARISC_PLABEL14R
, 70)
271 /* load/store (1) R(fptr(symbol)) */
274 /* PCREL relocations. */
275 RELOC_NUMBER (R_PARISC_PCREL64
, 72)
276 /* 64-bit doubleword symbol - PC - 8 + addend */
278 RELOC_NUMBER (R_PARISC_PCREL22C
, 73)
279 /* branch & link (21) symbol - PC - 8 + addend */
281 RELOC_NUMBER (R_PARISC_PCREL22F
, 74)
282 /* branch & link (21) symbol - PC - 8 + addend */
284 RELOC_NUMBER (R_PARISC_PCREL14WR
, 75)
285 /* load/store mod. comp. (2) R(symbol - PC - 8 + addend) */
287 RELOC_NUMBER (R_PARISC_PCREL14DR
, 76)
288 /* load/store doubleword (3) R(symbol - PC - 8 + addend) */
290 RELOC_NUMBER (R_PARISC_PCREL16F
, 77)
291 /* load/store (1) symbol - PC - 8 + addend */
293 RELOC_NUMBER (R_PARISC_PCREL16WF
, 78)
294 /* load/store mod. comp. (2) symbol - PC - 8 + addend */
296 RELOC_NUMBER (R_PARISC_PCREL16DF
, 79)
297 /* load/store doubleword (3) symbol - PC - 8 + addend */
300 RELOC_NUMBER (R_PARISC_DIR64
, 80)
301 /* 64-bit doubleword symbol + addend */
303 RELOC_NUMBER (R_PARISC_DIR64WR
, 81)
304 /* 64-bit doubleword RR(symbol, addend) */
306 RELOC_NUMBER (R_PARISC_DIR64DR
, 82)
307 /* 64-bit doubleword RR(symbol, addend) */
309 RELOC_NUMBER (R_PARISC_DIR14WR
, 83)
310 /* load/store mod. comp. (2) RR(symbol, addend) */
312 RELOC_NUMBER (R_PARISC_DIR14DR
, 84)
313 /* load/store doubleword (3) RR(symbol, addend) */
315 RELOC_NUMBER (R_PARISC_DIR16F
, 85)
316 /* load/store (1) symbol + addend */
318 RELOC_NUMBER (R_PARISC_DIR16WF
, 86)
319 /* load/store mod. comp. (2) symbol + addend */
321 RELOC_NUMBER (R_PARISC_DIR16DF
, 87)
322 /* load/store doubleword (3) symbol + addend */
324 RELOC_NUMBER (R_PARISC_GPREL64
, 88)
325 /* 64-bit doubleword symbol - GP + addend */
327 RELOC_NUMBER (R_PARISC_DLTREL14WR
, 91)
328 /* load/store mod. comp. (2) RR(symbol - GP, addend) */
330 RELOC_NUMBER (R_PARISC_DLTREL14DR
, 92)
331 /* load/store doubleword (3) RR(symbol - GP, addend) */
333 RELOC_NUMBER (R_PARISC_GPREL16F
, 93)
334 /* load/store (1) symbol - GP + addend */
336 RELOC_NUMBER (R_PARISC_GPREL16WF
, 94)
337 /* load/store mod. comp. (2) symbol - GP + addend */
339 RELOC_NUMBER (R_PARISC_GPREL16DF
, 95)
340 /* load/store doubleword (3) symbol - GP + addend */
343 RELOC_NUMBER (R_PARISC_LTOFF64
, 96)
344 /* 64-bit doubleword ltoff(symbol + addend) */
346 RELOC_NUMBER (R_PARISC_DLTIND14WR
, 99)
347 /* load/store mod. comp. (2) R(ltoff(symbol + addend)) */
349 RELOC_NUMBER (R_PARISC_DLTIND14DR
, 100)
350 /* load/store doubleword (3) R(ltoff(symbol + addend)) */
352 RELOC_NUMBER (R_PARISC_LTOFF16F
, 101)
353 /* load/store (1) ltoff(symbol + addend) */
355 RELOC_NUMBER (R_PARISC_LTOFF16WF
, 102)
356 /* load/store mod. comp. (2) ltoff(symbol + addend) */
358 RELOC_NUMBER (R_PARISC_LTOFF16DF
, 103)
359 /* load/store doubleword (3) ltoff(symbol + addend) */
362 RELOC_NUMBER (R_PARISC_SECREL64
, 104)
363 /* 64-bit doubleword symbol - SECT + addend */
365 RELOC_NUMBER (R_PARISC_BASEREL14WR
, 107)
366 /* load/store mod. comp. (2) RR(symbol - base, addend) */
368 RELOC_NUMBER (R_PARISC_BASEREL14DR
, 108)
369 /* load/store doubleword (3) RR(symbol - base, addend) */
372 RELOC_NUMBER (R_PARISC_SEGREL64
, 112)
373 /* 64-bit doubleword symbol - SB + addend */
375 RELOC_NUMBER (R_PARISC_PLTOFF14WR
, 115)
376 /* load/store mod. comp. (2) RR(pltoff(symbol), addend) */
378 RELOC_NUMBER (R_PARISC_PLTOFF14DR
, 116)
379 /* load/store doubleword (3) RR(pltoff(symbol), addend) */
381 RELOC_NUMBER (R_PARISC_PLTOFF16F
, 117)
382 /* load/store (1) pltoff(symbol) + addend */
384 RELOC_NUMBER (R_PARISC_PLTOFF16WF
, 118)
385 /* load/store mod. comp. (2) pltoff(symbol) + addend */
387 RELOC_NUMBER (R_PARISC_PLTOFF16DF
, 119)
388 /* load/store doubleword (3) pltoff(symbol) + addend */
391 RELOC_NUMBER (R_PARISC_LTOFF_FPTR64
, 120)
392 /* 64-bit doubleword ltoff(fptr(symbol+addend)) */
394 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14WR
, 123)
395 /* load/store mod. comp. (2) R(ltoff(fptr(symbol+addend))) */
397 RELOC_NUMBER (R_PARISC_LTOFF_FPTR14DR
, 124)
398 /* load/store doubleword (3) R(ltoff(fptr(symbol+addend))) */
400 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16F
, 125)
401 /* load/store (1) ltoff(fptr(symbol+addend)) */
403 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16WF
, 126)
404 /* load/store mod. comp. (2) ltoff(fptr(symbol+addend)) */
406 RELOC_NUMBER (R_PARISC_LTOFF_FPTR16DF
, 127)
407 /* load/store doubleword (3) ltoff(fptr(symbol+addend)) */
410 RELOC_NUMBER (R_PARISC_COPY
, 128)
411 /* data Dynamic relocations only */
413 RELOC_NUMBER (R_PARISC_IPLT
, 129)
416 RELOC_NUMBER (R_PARISC_EPLT
, 130)
420 RELOC_NUMBER (R_PARISC_TPREL32
, 153)
421 /* 32-bit word symbol - TP + addend */
423 RELOC_NUMBER (R_PARISC_TPREL21L
, 154)
424 /* long immediate (7) LR(symbol - TP, addend) */
426 RELOC_NUMBER (R_PARISC_TPREL14R
, 158)
427 /* load/store (1) RR(symbol - TP, addend) */
430 RELOC_NUMBER (R_PARISC_LTOFF_TP21L
, 162)
431 /* long immediate (7) L(ltoff(symbol - TP + addend)) */
433 RELOC_NUMBER (R_PARISC_LTOFF_TP14R
, 166)
434 /* load/store (1) R(ltoff(symbol - TP + addend)) */
436 RELOC_NUMBER (R_PARISC_LTOFF_TP14F
, 167)
437 /* load/store (1) ltoff(symbol - TP + addend) */
440 RELOC_NUMBER (R_PARISC_TPREL64
, 216)
441 /* 64-bit word symbol - TP + addend */
443 RELOC_NUMBER (R_PARISC_TPREL14WR
, 219)
444 /* load/store mod. comp. (2) RR(symbol - TP, addend) */
446 RELOC_NUMBER (R_PARISC_TPREL14DR
, 220)
447 /* load/store doubleword (3) RR(symbol - TP, addend) */
449 RELOC_NUMBER (R_PARISC_TPREL16F
, 221)
450 /* load/store (1) symbol - TP + addend */
452 RELOC_NUMBER (R_PARISC_TPREL16WF
, 222)
453 /* load/store mod. comp. (2) symbol - TP + addend */
455 RELOC_NUMBER (R_PARISC_TPREL16DF
, 223)
456 /* load/store doubleword (3) symbol - TP + addend */
459 RELOC_NUMBER (R_PARISC_LTOFF_TP64
, 224)
460 /* 64-bit doubleword ltoff(symbol - TP + addend) */
462 RELOC_NUMBER (R_PARISC_LTOFF_TP14WR
, 227)
463 /* load/store mod. comp. (2) R(ltoff(symbol - TP + addend)) */
465 RELOC_NUMBER (R_PARISC_LTOFF_TP14DR
, 228)
466 /* load/store doubleword (3) R(ltoff(symbol - TP + addend)) */
468 RELOC_NUMBER (R_PARISC_LTOFF_TP16F
, 229)
469 /* load/store (1) ltoff(symbol - TP + addend) */
471 RELOC_NUMBER (R_PARISC_LTOFF_TP16WF
, 230)
472 /* load/store mod. comp. (2) ltoff(symbol - TP + addend) */
474 RELOC_NUMBER (R_PARISC_LTOFF_TP16DF
, 231)
475 /* load/store doubleword (3) ltoff(symbol - TP + addend) */
477 RELOC_NUMBER (R_PARISC_GNU_VTENTRY
, 232)
478 RELOC_NUMBER (R_PARISC_GNU_VTINHERIT
, 233)
480 END_RELOC_NUMBERS (R_PARISC_UNIMPLEMENTED
)
482 #ifndef RELOC_MACROS_GEN_FUNC
483 typedef enum elf_hppa_reloc_type elf_hppa_reloc_type
;
486 #define PT_PARISC_ARCHEXT 0x70000000
487 #define PT_PARISC_UNWIND 0x70000001
488 #define PF_PARISC_SBP 0x08000000
489 #define PF_HP_PAGE_SIZE 0x00100000
490 #define PF_HP_FAR_SHARED 0x00200000
491 #define PF_HP_NEAR_SHARED 0x00400000
492 #define PF_HP_CODE 0x01000000
493 #define PF_HP_MODIFY 0x02000000
494 #define PF_HP_LAZYSWAP 0x04000000
495 #define PF_HP_SBP 0x08000000
498 /* Processor specific dynamic array tags. */
500 #define DT_HP_LOAD_MAP (DT_LOOS + 0x0)
501 #define DT_HP_DLD_FLAGS (DT_LOOS + 0x1)
502 #define DT_HP_DLD_HOOK (DT_LOOS + 0x2)
503 #define DT_HP_UX10_INIT (DT_LOOS + 0x3)
504 #define DT_HP_UX10_INITSZ (DT_LOOS + 0x4)
505 #define DT_HP_PREINIT (DT_LOOS + 0x5)
506 #define DT_HP_PREINITSZ (DT_LOOS + 0x6)
507 #define DT_HP_NEEDED (DT_LOOS + 0x7)
508 #define DT_HP_TIME_STAMP (DT_LOOS + 0x8)
509 #define DT_HP_CHECKSUM (DT_LOOS + 0x9)
510 #define DT_HP_GST_SIZE (DT_LOOS + 0xa)
511 #define DT_HP_GST_VERSION (DT_LOOS + 0xb)
512 #define DT_HP_GST_HASHVAL (DT_LOOS + 0xc)
514 /* Values for DT_HP_DLD_FLAGS. */
515 #define DT_HP_DEBUG_PRIVATE 0x0001 /* Map text private */
516 #define DT_HP_DEBUG_CALLBACK 0x0002 /* Callback */
517 #define DT_HP_DEBUG_CALLBACK_BOR 0x0004 /* BOR callback */
518 #define DT_HP_NO_ENVVAR 0x0008 /* No env var */
519 #define DT_HP_BIND_NOW 0x0010 /* Bind now */
520 #define DT_HP_BIND_NONFATAL 0x0020 /* Bind non-fatal */
521 #define DT_HP_BIND_VERBOSE 0x0040 /* Bind verbose */
522 #define DT_HP_BIND_RESTRICTED 0x0080 /* Bind restricted */
523 #define DT_HP_BIND_SYMBOLIC 0x0100 /* Bind symbolic */
524 #define DT_HP_RPATH_FIRST 0x0200 /* RPATH first */
525 #define DT_HP_BIND_DEPTH_FIRST 0x0400 /* Bind depth-first */
527 /* Program header extensions. */
528 #define PT_HP_TLS (PT_LOOS + 0x0)
529 #define PT_HP_CORE_NONE (PT_LOOS + 0x1)
530 #define PT_HP_CORE_VERSION (PT_LOOS + 0x2)
531 #define PT_HP_CORE_KERNEL (PT_LOOS + 0x3)
532 #define PT_HP_CORE_COMM (PT_LOOS + 0x4)
533 #define PT_HP_CORE_PROC (PT_LOOS + 0x5)
534 #define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6)
535 #define PT_HP_CORE_STACK (PT_LOOS + 0x7)
536 #define PT_HP_CORE_SHM (PT_LOOS + 0x8)
537 #define PT_HP_CORE_MMF (PT_LOOS + 0x9)
538 #define PT_HP_PARALLEL (PT_LOOS + 0x10)
539 #define PT_HP_FASTBIND (PT_LOOS + 0x11)
541 /* Additional symbol types. */
542 #define STT_HP_OPAQUE (STT_LOOS + 0x1)
543 #define STT_HP_STUB (STT_LOOS + 0x2)
545 #endif /* _ELF_HPPA_H */