Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* ARM ELF support for BFD. |
219d1afa | 2 | Copyright (C) 1998-2018 Free Software Foundation, Inc. |
252b5132 RH |
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 | |
e4e42b45 | 8 | the Free Software Foundation; either version 3 of the License, or |
252b5132 RH |
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 Foundation, | |
e172dbf8 | 18 | Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
19 | |
20 | #ifndef _ELF_ARM_H | |
21 | #define _ELF_ARM_H | |
22 | ||
23 | #include "elf/reloc-macros.h" | |
24 | ||
25 | /* Processor specific flags for the ELF header e_flags field. */ | |
26 | #define EF_ARM_RELEXEC 0x01 | |
2a7a4624 PB |
27 | #define EF_ARM_INTERWORK 0x04 |
28 | #define EF_ARM_APCS_26 0x08 | |
29 | #define EF_ARM_APCS_FLOAT 0x10 | |
30 | #define EF_ARM_PIC 0x20 | |
31 | #define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */ | |
32 | #define EF_ARM_NEW_ABI 0x80 | |
33 | #define EF_ARM_OLD_ABI 0x100 | |
34 | #define EF_ARM_SOFT_FLOAT 0x200 | |
ca4ebd1e | 35 | #define EF_ARM_VFP_FLOAT 0x400 |
fde78edd | 36 | #define EF_ARM_MAVERICK_FLOAT 0x800 |
2a7a4624 | 37 | |
b294bdf8 | 38 | /* Frame unwind information */ |
c19d1205 | 39 | #define PT_ARM_EXIDX (PT_LOPROC + 1) |
b294bdf8 | 40 | |
2a7a4624 | 41 | /* Other constants defined in the ARM ELF spec. version B-01. */ |
7f6fed87 NC |
42 | #define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK. */ |
43 | #define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26. */ | |
44 | #define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT. */ | |
ff1c4e0d NC |
45 | #define EF_ARM_EABIMASK 0xFF000000 |
46 | ||
3bfcb652 NC |
47 | /* New constants defined in the ARM ELF spec. version XXX. |
48 | Only valid in conjunction with EF_ARM_EABI_VER5. */ | |
49 | #define EF_ARM_ABI_FLOAT_SOFT 0x200 /* NB conflicts with EF_ARM_SOFT_FLOAT. */ | |
50 | #define EF_ARM_ABI_FLOAT_HARD 0x400 /* NB conflicts with EF_ARM_VFP_FLOAT. */ | |
51 | ||
d507cf36 PB |
52 | /* Constants defined in AAELF. */ |
53 | #define EF_ARM_BE8 0x00800000 | |
54 | #define EF_ARM_LE8 0x00400000 | |
55 | ||
ff1c4e0d NC |
56 | #define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) |
57 | #define EF_ARM_EABI_UNKNOWN 0x00000000 | |
58 | #define EF_ARM_EABI_VER1 0x01000000 | |
2a7a4624 | 59 | #define EF_ARM_EABI_VER2 0x02000000 |
d507cf36 | 60 | #define EF_ARM_EABI_VER3 0x03000000 |
8cb51566 | 61 | #define EF_ARM_EABI_VER4 0x04000000 |
3a4a14e9 | 62 | #define EF_ARM_EABI_VER5 0x05000000 |
ff1c4e0d | 63 | |
252b5132 | 64 | /* Local aliases for some flags to match names used by COFF port. */ |
2a7a4624 PB |
65 | #define F_INTERWORK EF_ARM_INTERWORK |
66 | #define F_APCS26 EF_ARM_APCS_26 | |
67 | #define F_APCS_FLOAT EF_ARM_APCS_FLOAT | |
68 | #define F_PIC EF_ARM_PIC | |
69 | #define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT | |
ca4ebd1e | 70 | #define F_VFP_FLOAT EF_ARM_VFP_FLOAT |
252b5132 | 71 | |
2f0ca46a NC |
72 | /* Additional symbol types for Thumb. */ |
73 | #define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ | |
74 | #define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ | |
252b5132 | 75 | |
40a18ebd | 76 | /* Additional section types. */ |
7f6fed87 NC |
77 | #define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */ |
78 | #define SHT_ARM_PREEMPTMAP 0x70000002 /* Section pre-emption details. */ | |
79 | #define SHT_ARM_ATTRIBUTES 0x70000003 /* Section holds attributes. */ | |
80 | #define SHT_ARM_DEBUGOVERLAY 0x70000004 /* Section holds overlay debug info. */ | |
81 | #define SHT_ARM_OVERLAYSECTION 0x70000005 /* Section holds GDB and overlay integration info. */ | |
40a18ebd | 82 | |
2f0ca46a NC |
83 | /* ARM-specific values for sh_flags. */ |
84 | #define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */ | |
f0728ee3 | 85 | #define SHF_ARM_PURECODE 0x20000000 /* Section contains only code and no data. */ |
2f0ca46a | 86 | #define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */ |
252b5132 | 87 | |
2f0ca46a NC |
88 | /* ARM-specific program header flags. */ |
89 | #define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */ | |
ff1c4e0d NC |
90 | #define PF_ARM_PI 0x20000000 /* Segment is position-independent. */ |
91 | #define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */ | |
252b5132 | 92 | |
e95de063 | 93 | /* Values for the Tag_CPU_arch EABI attribute. */ |
91e22acd AS |
94 | #define TAG_CPU_ARCH_PRE_V4 0 |
95 | #define TAG_CPU_ARCH_V4 1 | |
96 | #define TAG_CPU_ARCH_V4T 2 | |
97 | #define TAG_CPU_ARCH_V5T 3 | |
98 | #define TAG_CPU_ARCH_V5TE 4 | |
99 | #define TAG_CPU_ARCH_V5TEJ 5 | |
100 | #define TAG_CPU_ARCH_V6 6 | |
101 | #define TAG_CPU_ARCH_V6KZ 7 | |
102 | #define TAG_CPU_ARCH_V6T2 8 | |
103 | #define TAG_CPU_ARCH_V6K 9 | |
104 | #define TAG_CPU_ARCH_V7 10 | |
105 | #define TAG_CPU_ARCH_V6_M 11 | |
106 | #define TAG_CPU_ARCH_V6S_M 12 | |
9e3c6df6 | 107 | #define TAG_CPU_ARCH_V7E_M 13 |
bca38921 | 108 | #define TAG_CPU_ARCH_V8 14 |
ced40572 | 109 | #define TAG_CPU_ARCH_V8R 15 |
ff8646ee | 110 | #define TAG_CPU_ARCH_V8M_BASE 16 |
4ed7ed8d TP |
111 | #define TAG_CPU_ARCH_V8M_MAIN 17 |
112 | #define MAX_TAG_CPU_ARCH TAG_CPU_ARCH_V8M_MAIN | |
91e22acd AS |
113 | /* Pseudo-architecture to allow objects to be compatible with the subset of |
114 | armv4t and armv6-m. This value should never be stored in object files. */ | |
115 | #define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1) | |
e95de063 | 116 | |
252b5132 | 117 | /* Relocation types. */ |
8725b940 | 118 | |
252b5132 | 119 | START_RELOC_NUMBERS (elf_arm_reloc_type) |
c19d1205 ZW |
120 | /* AAELF official names and numbers. */ |
121 | RELOC_NUMBER (R_ARM_NONE, 0) | |
122 | RELOC_NUMBER (R_ARM_PC24, 1) /* deprecated */ | |
123 | RELOC_NUMBER (R_ARM_ABS32, 2) | |
124 | RELOC_NUMBER (R_ARM_REL32, 3) | |
c19d1205 ZW |
125 | RELOC_NUMBER (R_ARM_LDR_PC_G0, 4) |
126 | RELOC_NUMBER (R_ARM_ABS16, 5) | |
127 | RELOC_NUMBER (R_ARM_ABS12, 6) | |
128 | RELOC_NUMBER (R_ARM_THM_ABS5, 7) | |
129 | RELOC_NUMBER (R_ARM_ABS8, 8) | |
130 | RELOC_NUMBER (R_ARM_SBREL32, 9) | |
131 | RELOC_NUMBER (R_ARM_THM_CALL, 10) | |
132 | RELOC_NUMBER (R_ARM_THM_PC8, 11) | |
133 | RELOC_NUMBER (R_ARM_BREL_ADJ, 12) | |
0855e32b | 134 | RELOC_NUMBER (R_ARM_TLS_DESC, 13) |
c19d1205 | 135 | RELOC_NUMBER (R_ARM_THM_SWI8, 14) /* obsolete */ |
c19d1205 ZW |
136 | RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */ |
137 | RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */ | |
138 | RELOC_NUMBER (R_ARM_TLS_DTPMOD32, 17) | |
139 | RELOC_NUMBER (R_ARM_TLS_DTPOFF32, 18) | |
140 | RELOC_NUMBER (R_ARM_TLS_TPOFF32, 19) | |
141 | RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */ | |
142 | RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */ | |
143 | RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */ | |
144 | RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */ | |
145 | RELOC_NUMBER (R_ARM_GOTOFF32, 24) /* 32 bit offset to GOT. */ | |
146 | RELOC_NUMBER (R_ARM_BASE_PREL, 25) /* 32 bit PC relative offset to GOT. */ | |
147 | RELOC_NUMBER (R_ARM_GOT_BREL, 26) /* 32 bit GOT entry. */ | |
148 | RELOC_NUMBER (R_ARM_PLT32, 27) /* deprecated - 32 bit PLT address. */ | |
149 | RELOC_NUMBER (R_ARM_CALL, 28) | |
150 | RELOC_NUMBER (R_ARM_JUMP24, 29) | |
151 | RELOC_NUMBER (R_ARM_THM_JUMP24, 30) | |
152 | RELOC_NUMBER (R_ARM_BASE_ABS, 31) | |
153 | RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) /* obsolete */ | |
154 | RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) /* obsolete */ | |
155 | RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) /* obsolete */ | |
156 | RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35) /* deprecated, should have _NC suffix */ | |
157 | RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36) /* deprecated, should have _NC suffix */ | |
158 | RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37) /* deprecated, should have _CK suffix */ | |
159 | RELOC_NUMBER (R_ARM_TARGET1, 38) | |
160 | RELOC_NUMBER (R_ARM_SBREL31, 39) /* deprecated */ | |
161 | RELOC_NUMBER (R_ARM_V4BX, 40) | |
162 | RELOC_NUMBER (R_ARM_TARGET2, 41) | |
163 | RELOC_NUMBER (R_ARM_PREL31, 42) | |
164 | RELOC_NUMBER (R_ARM_MOVW_ABS_NC, 43) | |
165 | RELOC_NUMBER (R_ARM_MOVT_ABS, 44) | |
166 | RELOC_NUMBER (R_ARM_MOVW_PREL_NC, 45) | |
167 | RELOC_NUMBER (R_ARM_MOVT_PREL, 46) | |
168 | RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 47) | |
169 | RELOC_NUMBER (R_ARM_THM_MOVT_ABS, 48) | |
170 | RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC, 49) | |
171 | RELOC_NUMBER (R_ARM_THM_MOVT_PREL, 50) | |
172 | RELOC_NUMBER (R_ARM_THM_JUMP19, 51) | |
173 | RELOC_NUMBER (R_ARM_THM_JUMP6, 52) | |
174 | RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53) | |
175 | RELOC_NUMBER (R_ARM_THM_PC12, 54) | |
176 | RELOC_NUMBER (R_ARM_ABS32_NOI, 55) | |
177 | RELOC_NUMBER (R_ARM_REL32_NOI, 56) | |
178 | RELOC_NUMBER (R_ARM_ALU_PC_G0_NC, 57) | |
179 | RELOC_NUMBER (R_ARM_ALU_PC_G0, 58) | |
180 | RELOC_NUMBER (R_ARM_ALU_PC_G1_NC, 59) | |
181 | RELOC_NUMBER (R_ARM_ALU_PC_G1, 60) | |
182 | RELOC_NUMBER (R_ARM_ALU_PC_G2, 61) | |
183 | RELOC_NUMBER (R_ARM_LDR_PC_G1, 62) | |
184 | RELOC_NUMBER (R_ARM_LDR_PC_G2, 63) | |
185 | RELOC_NUMBER (R_ARM_LDRS_PC_G0, 64) | |
186 | RELOC_NUMBER (R_ARM_LDRS_PC_G1, 65) | |
187 | RELOC_NUMBER (R_ARM_LDRS_PC_G2, 66) | |
188 | RELOC_NUMBER (R_ARM_LDC_PC_G0, 67) | |
189 | RELOC_NUMBER (R_ARM_LDC_PC_G1, 68) | |
190 | RELOC_NUMBER (R_ARM_LDC_PC_G2, 69) | |
191 | RELOC_NUMBER (R_ARM_ALU_SB_G0_NC, 70) | |
192 | RELOC_NUMBER (R_ARM_ALU_SB_G0, 71) | |
193 | RELOC_NUMBER (R_ARM_ALU_SB_G1_NC, 72) | |
194 | RELOC_NUMBER (R_ARM_ALU_SB_G1, 73) | |
195 | RELOC_NUMBER (R_ARM_ALU_SB_G2, 74) | |
196 | RELOC_NUMBER (R_ARM_LDR_SB_G0, 75) | |
197 | RELOC_NUMBER (R_ARM_LDR_SB_G1, 76) | |
198 | RELOC_NUMBER (R_ARM_LDR_SB_G2, 77) | |
199 | RELOC_NUMBER (R_ARM_LDRS_SB_G0, 78) | |
200 | RELOC_NUMBER (R_ARM_LDRS_SB_G1, 79) | |
201 | RELOC_NUMBER (R_ARM_LDRS_SB_G2, 80) | |
4962c51a MS |
202 | RELOC_NUMBER (R_ARM_LDC_SB_G0, 81) |
203 | RELOC_NUMBER (R_ARM_LDC_SB_G1, 82) | |
204 | RELOC_NUMBER (R_ARM_LDC_SB_G2, 83) | |
c19d1205 ZW |
205 | RELOC_NUMBER (R_ARM_MOVW_BREL_NC, 84) |
206 | RELOC_NUMBER (R_ARM_MOVT_BREL, 85) | |
207 | RELOC_NUMBER (R_ARM_MOVW_BREL, 86) | |
208 | RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC, 87) | |
209 | RELOC_NUMBER (R_ARM_THM_MOVT_BREL, 88) | |
210 | RELOC_NUMBER (R_ARM_THM_MOVW_BREL, 89) | |
0855e32b NS |
211 | RELOC_NUMBER (R_ARM_TLS_GOTDESC, 90) |
212 | RELOC_NUMBER (R_ARM_TLS_CALL, 91) | |
213 | RELOC_NUMBER (R_ARM_TLS_DESCSEQ, 92) | |
214 | RELOC_NUMBER (R_ARM_THM_TLS_CALL, 93) | |
c19d1205 ZW |
215 | RELOC_NUMBER (R_ARM_PLT32_ABS, 94) |
216 | RELOC_NUMBER (R_ARM_GOT_ABS, 95) | |
217 | RELOC_NUMBER (R_ARM_GOT_PREL, 96) | |
218 | RELOC_NUMBER (R_ARM_GOT_BREL12, 97) | |
219 | RELOC_NUMBER (R_ARM_GOTOFF12, 98) | |
220 | RELOC_NUMBER (R_ARM_GOTRELAX, 99) | |
c19d1205 ZW |
221 | RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) /* deprecated - old C++ abi */ |
222 | RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) /* deprecated - old C++ abi */ | |
223 | RELOC_NUMBER (R_ARM_THM_JUMP11, 102) | |
224 | RELOC_NUMBER (R_ARM_THM_JUMP8, 103) | |
c19d1205 ZW |
225 | RELOC_NUMBER (R_ARM_TLS_GD32, 104) |
226 | RELOC_NUMBER (R_ARM_TLS_LDM32, 105) | |
227 | RELOC_NUMBER (R_ARM_TLS_LDO32, 106) | |
228 | RELOC_NUMBER (R_ARM_TLS_IE32, 107) | |
229 | RELOC_NUMBER (R_ARM_TLS_LE32, 108) | |
230 | RELOC_NUMBER (R_ARM_TLS_LDO12, 109) | |
231 | RELOC_NUMBER (R_ARM_TLS_LE12, 110) | |
232 | RELOC_NUMBER (R_ARM_TLS_IE12GP, 111) | |
233 | /* 112 - 127 private range */ | |
234 | RELOC_NUMBER (R_ARM_ME_TOO, 128) /* obsolete */ | |
0855e32b | 235 | RELOC_NUMBER (R_ARM_THM_TLS_DESCSEQ ,129) |
c19d1205 | 236 | |
72d98d16 MG |
237 | RELOC_NUMBER (R_ARM_THM_ALU_ABS_G0_NC,132) |
238 | RELOC_NUMBER (R_ARM_THM_ALU_ABS_G1_NC,133) | |
239 | RELOC_NUMBER (R_ARM_THM_ALU_ABS_G2_NC,134) | |
240 | RELOC_NUMBER (R_ARM_THM_ALU_ABS_G3_NC,135) | |
241 | ||
34e77a92 | 242 | RELOC_NUMBER (R_ARM_IRELATIVE, 160) |
188fd7ae CL |
243 | RELOC_NUMBER (R_ARM_GOTFUNCDESC, 161) |
244 | RELOC_NUMBER (R_ARM_GOTOFFFUNCDESC, 162) | |
245 | RELOC_NUMBER (R_ARM_FUNCDESC, 163) | |
246 | RELOC_NUMBER (R_ARM_FUNCDESC_VALUE, 164) | |
5c5a4843 CL |
247 | RELOC_NUMBER (R_ARM_TLS_GD32_FDPIC, 165) |
248 | RELOC_NUMBER (R_ARM_TLS_LDM32_FDPIC, 166) | |
249 | RELOC_NUMBER (R_ARM_TLS_IE32_FDPIC, 167) | |
34e77a92 | 250 | |
c19d1205 ZW |
251 | /* Extensions? R=read-only? */ |
252 | RELOC_NUMBER (R_ARM_RXPC25, 249) | |
253 | RELOC_NUMBER (R_ARM_RSBREL32, 250) | |
254 | RELOC_NUMBER (R_ARM_THM_RPC22, 251) | |
255 | RELOC_NUMBER (R_ARM_RREL32, 252) | |
256 | RELOC_NUMBER (R_ARM_RABS32, 253) | |
257 | RELOC_NUMBER (R_ARM_RPC24, 254) | |
258 | RELOC_NUMBER (R_ARM_RBASE, 255) | |
259 | ||
260 | /* Unofficial names for some of the relocs. */ | |
261 | FAKE_RELOC (R_ARM_GOTOFF, R_ARM_GOTOFF32) /* 32 bit offset to GOT. */ | |
262 | FAKE_RELOC (R_ARM_THM_PC22, R_ARM_THM_CALL) | |
263 | FAKE_RELOC (R_ARM_THM_PC11, R_ARM_THM_JUMP11) | |
264 | FAKE_RELOC (R_ARM_THM_PC9, R_ARM_THM_JUMP8) | |
265 | ||
266 | /* Relocs with both a different name, and (apparently) different meaning in | |
267 | GNU usage. */ | |
268 | FAKE_RELOC (R_ARM_GOTPC, R_ARM_BASE_PREL) /* 32 bit PC relative offset to GOT. */ | |
269 | FAKE_RELOC (R_ARM_GOT32, R_ARM_GOT_BREL) /* 32 bit GOT entry. */ | |
270 | FAKE_RELOC (R_ARM_ROSEGREL32, R_ARM_SBREL31) /* ??? */ | |
271 | FAKE_RELOC (R_ARM_AMP_VCALL9, R_ARM_BREL_ADJ) /* Thumb-something. Not used. */ | |
7c90103b NC |
272 | |
273 | END_RELOC_NUMBERS (R_ARM_max = 256) | |
252b5132 | 274 | |
ee065d83 | 275 | #ifdef BFD_ARCH_SIZE |
104d59d1 | 276 | /* EABI object attributes. */ |
ee065d83 PB |
277 | |
278 | enum | |
279 | { | |
104d59d1 JM |
280 | /* 0-3 are generic. */ |
281 | Tag_CPU_raw_name = 4, | |
ee065d83 PB |
282 | Tag_CPU_name, |
283 | Tag_CPU_arch, | |
284 | Tag_CPU_arch_profile, | |
285 | Tag_ARM_ISA_use, | |
286 | Tag_THUMB_ISA_use, | |
75375b3e | 287 | Tag_FP_arch, |
ee065d83 | 288 | Tag_WMMX_arch, |
91e22acd | 289 | Tag_Advanced_SIMD_arch, |
ee065d83 PB |
290 | Tag_PCS_config, |
291 | Tag_ABI_PCS_R9_use, | |
292 | Tag_ABI_PCS_RW_data, | |
293 | Tag_ABI_PCS_RO_data, | |
294 | Tag_ABI_PCS_GOT_use, | |
295 | Tag_ABI_PCS_wchar_t, | |
296 | Tag_ABI_FP_rounding, | |
297 | Tag_ABI_FP_denormal, | |
298 | Tag_ABI_FP_exceptions, | |
299 | Tag_ABI_FP_user_exceptions, | |
300 | Tag_ABI_FP_number_model, | |
75375b3e MGD |
301 | Tag_ABI_align_needed, |
302 | Tag_ABI_align_preserved, | |
ee065d83 PB |
303 | Tag_ABI_enum_size, |
304 | Tag_ABI_HardFP_use, | |
305 | Tag_ABI_VFP_args, | |
306 | Tag_ABI_WMMX_args, | |
307 | Tag_ABI_optimization_goals, | |
308 | Tag_ABI_FP_optimization_goals, | |
91e22acd | 309 | /* 32 is generic (Tag_compatibility). */ |
8e79c3df CM |
310 | Tag_undefined33 = 33, |
311 | Tag_CPU_unaligned_access, | |
91e22acd | 312 | Tag_undefined35, |
75375b3e | 313 | Tag_FP_HP_extension, |
8e79c3df | 314 | Tag_undefined37, |
91e22acd AS |
315 | Tag_ABI_FP_16bit_format, |
316 | Tag_undefined39, | |
cd21e546 MGD |
317 | Tag_undefined40, |
318 | Tag_undefined41, | |
319 | Tag_MPextension_use, | |
320 | Tag_undefined_43, | |
321 | Tag_DIV_use, | |
15afaa63 | 322 | Tag_DSP_extension = 46, |
91e22acd AS |
323 | Tag_nodefaults = 64, |
324 | Tag_also_compatible_with, | |
325 | Tag_T2EE_use, | |
326 | Tag_conformance, | |
327 | Tag_Virtualization_use, | |
328 | Tag_undefined69, | |
75375b3e MGD |
329 | Tag_MPextension_use_legacy, |
330 | ||
331 | /* The following tags are legacy names for other tags. */ | |
332 | Tag_VFP_arch = Tag_FP_arch, | |
333 | Tag_ABI_align8_needed = Tag_ABI_align_needed, | |
334 | Tag_ABI_align8_preserved = Tag_ABI_align_preserved, | |
335 | Tag_VFP_HP_extension = Tag_FP_HP_extension | |
ee065d83 PB |
336 | }; |
337 | ||
5c294fee TG |
338 | /* Values for Tag_ABI_FP_number_model. */ |
339 | enum | |
340 | { | |
341 | AEABI_FP_number_model_none = 0, | |
342 | AEABI_FP_number_model_ieee754_number = 1, | |
343 | AEABI_FP_number_model_rtabi = 2, | |
344 | AEABI_FP_number_model_ieee754_all = 3 | |
345 | }; | |
346 | ||
347 | /* Values for Tag_ABI_VFP_args. */ | |
348 | enum | |
349 | { | |
350 | AEABI_VFP_args_base = 0, | |
351 | AEABI_VFP_args_vfp = 1, | |
352 | AEABI_VFP_args_toolchain = 2, | |
353 | AEABI_VFP_args_compatible = 3 | |
354 | }; | |
ee065d83 PB |
355 | #endif |
356 | ||
e16bb312 | 357 | /* The name of the note section used to identify arm variants. */ |
5a6c6817 | 358 | #define ARM_NOTE_SECTION ".note.gnu.arm.ident" |
40a18ebd NC |
359 | |
360 | /* Special section names. */ | |
361 | #define ELF_STRING_ARM_unwind ".ARM.exidx" | |
362 | #define ELF_STRING_ARM_unwind_info ".ARM.extab" | |
363 | #define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx." | |
364 | #define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab." | |
365 | ||
35fc36a8 RS |
366 | enum arm_st_branch_type { |
367 | ST_BRANCH_TO_ARM, | |
368 | ST_BRANCH_TO_THUMB, | |
63e1a0fc | 369 | ST_BRANCH_LONG, |
39d911fc TP |
370 | ST_BRANCH_UNKNOWN, |
371 | ST_BRANCH_ENUM_SIZE | |
35fc36a8 RS |
372 | }; |
373 | ||
39d911fc TP |
374 | #define NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS 2 |
375 | #define ENUM_ARM_ST_BRANCH_TYPE_BITMASK \ | |
376 | ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) - 1) | |
377 | ||
378 | #define ARM_GET_SYM_BRANCH_TYPE(STI) \ | |
379 | ((enum arm_st_branch_type) ((STI) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)) | |
380 | #ifdef BFD_ASSERT | |
381 | #define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE) \ | |
382 | do { \ | |
383 | BFD_ASSERT (TYPE <= ST_BRANCH_ENUM_SIZE); \ | |
384 | BFD_ASSERT ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) \ | |
385 | >= ST_BRANCH_ENUM_SIZE); \ | |
386 | (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK) \ | |
387 | | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)); \ | |
388 | } while (0) | |
389 | #else | |
390 | #define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE) \ | |
391 | (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK) \ | |
392 | | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)) | |
393 | #endif | |
35fc36a8 | 394 | |
4ba2ef8f TP |
395 | /* Get or set whether a symbol is a special symbol of an entry function of CMSE |
396 | secure code. */ | |
397 | #define ARM_GET_SYM_CMSE_SPCL(SYM_TARGET_INTERNAL) \ | |
398 | (((SYM_TARGET_INTERNAL) >> 2) & 1) | |
399 | #define ARM_SET_SYM_CMSE_SPCL(SYM_TARGET_INTERNAL) \ | |
400 | (SYM_TARGET_INTERNAL) |= 4 | |
401 | ||
8725b940 | 402 | #endif /* _ELF_ARM_H */ |