Commit | Line | Data |
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252b5132 | 1 | /* SH ELF support for BFD. |
61e31d88 | 2 | Copyright 1998, 2000, 2001, 2002 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 | |
8 | the Free Software Foundation; either version 2 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 Foundation, | |
18 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #ifndef _ELF_SH_H | |
21 | #define _ELF_SH_H | |
22 | ||
d4845d57 JR |
23 | /* Processor specific flags for the ELF header e_flags field. */ |
24 | ||
25 | #define EF_SH_MACH_MASK 0x1f | |
26 | #define EF_SH_UNKNOWN 0 /* For backwards compatibility. */ | |
27 | #define EF_SH1 1 | |
28 | #define EF_SH2 2 | |
29 | #define EF_SH3 3 | |
30 | #define EF_SH_HAS_DSP(flags) ((flags) & 4) | |
31 | #define EF_SH_DSP 4 | |
32 | #define EF_SH3_DSP 5 | |
33 | #define EF_SH_HAS_FP(flags) ((flags) & 8) | |
34 | #define EF_SH3E 8 | |
35 | #define EF_SH4 9 | |
36 | ||
61e31d88 AO |
37 | /* This one can only mix in objects from other EF_SH5 objects. */ |
38 | #define EF_SH5 10 | |
39 | ||
d4845d57 JR |
40 | #define EF_SH_MERGE_MACH(mach1, mach2) \ |
41 | (((((mach1) == EF_SH3 || (mach1) == EF_SH_UNKNOWN) && (mach2) == EF_SH_DSP) \ | |
42 | || ((mach1) == EF_SH_DSP \ | |
43 | && ((mach2) == EF_SH3 || (mach2) == EF_SH_UNKNOWN))) \ | |
44 | ? EF_SH3_DSP \ | |
45 | : (((mach1) < EF_SH3 && (mach2) == EF_SH_UNKNOWN) \ | |
46 | || ((mach2) < EF_SH3 && (mach1) == EF_SH_UNKNOWN)) \ | |
47 | ? EF_SH3 \ | |
48 | : (((mach1) == EF_SH3E && (mach2) == EF_SH_UNKNOWN) \ | |
49 | || ((mach2) == EF_SH3E && (mach1) == EF_SH_UNKNOWN)) \ | |
50 | ? EF_SH4 \ | |
51 | : ((mach1) > (mach2) ? (mach1) : (mach2))) | |
52 | ||
61e31d88 AO |
53 | /* Flags for the st_other symbol field. |
54 | Keep away from the STV_ visibility flags (bit 0..1). */ | |
55 | ||
56 | /* A reference to this symbol should by default add 1. */ | |
57 | #define STO_SH5_ISA32 (1 << 2) | |
58 | ||
59 | /* Section contains only SHmedia code (no SHcompact code). */ | |
60 | #define SHF_SH5_ISA32 0x40000000 | |
61 | ||
62 | /* Section contains both SHmedia and SHcompact code, and possibly also | |
63 | constants. */ | |
64 | #define SHF_SH5_ISA32_MIXED 0x20000000 | |
65 | ||
66 | /* If applied to a .cranges section, marks that the section is sorted by | |
67 | increasing cr_addr values. */ | |
68 | #define SHT_SH5_CR_SORTED 0x80000001 | |
69 | ||
70 | /* Symbol should be handled as DataLabel (attached to global SHN_UNDEF | |
71 | symbols). */ | |
72 | #define STT_DATALABEL STT_LOPROC | |
73 | ||
74 | #define SH64_CRANGES_SECTION_NAME ".cranges" | |
75 | enum sh64_elf_cr_type { | |
76 | CRT_NONE = 0, | |
77 | CRT_DATA = 1, | |
78 | CRT_SH5_ISA16 = 2, | |
79 | CRT_SH5_ISA32 = 3 | |
80 | }; | |
81 | ||
82 | /* The official definition is this: | |
83 | ||
84 | typedef struct { | |
85 | Elf32_Addr cr_addr; | |
86 | Elf32_Word cr_size; | |
87 | Elf32_Half cr_type; | |
88 | } Elf32_CRange; | |
89 | ||
90 | but we have no use for that exact type. Instead we use this struct for | |
91 | the internal representation. */ | |
92 | typedef struct { | |
93 | bfd_vma cr_addr; | |
94 | bfd_size_type cr_size; | |
95 | enum sh64_elf_cr_type cr_type; | |
96 | } sh64_elf_crange; | |
97 | ||
98 | #define SH64_CRANGE_SIZE (4 + 4 + 2) | |
99 | #define SH64_CRANGE_CR_ADDR_OFFSET 0 | |
100 | #define SH64_CRANGE_CR_SIZE_OFFSET 4 | |
101 | #define SH64_CRANGE_CR_TYPE_OFFSET (4 + 4) | |
102 | ||
103 | /* Get the contents type of an arbitrary address, or return CRT_NONE. */ | |
104 | extern enum sh64_elf_cr_type sh64_get_contents_type | |
105 | PARAMS ((asection *, bfd_vma, sh64_elf_crange *)); | |
106 | ||
107 | /* Simpler interface. | |
108 | FIXME: This seems redundant now that we export the interface above. */ | |
109 | extern boolean sh64_address_is_shmedia PARAMS ((asection *, bfd_vma)); | |
110 | ||
9cba27b2 JT |
111 | extern int _bfd_sh64_crange_qsort_cmpb PARAMS ((const void *, const void *)); |
112 | extern int _bfd_sh64_crange_qsort_cmpl PARAMS ((const void *, const void *)); | |
113 | extern int _bfd_sh64_crange_bsearch_cmpb PARAMS ((const void *, const void *)); | |
114 | extern int _bfd_sh64_crange_bsearch_cmpl PARAMS ((const void *, const void *)); | |
115 | ||
61e31d88 AO |
116 | /* We put this in elf_section_data (section)->tdata. */ |
117 | struct sh64_section_data | |
118 | { | |
119 | flagword contents_flags; | |
120 | ||
121 | /* Only used in the cranges section, but we don't have an official | |
122 | backend-specific bfd field. */ | |
123 | bfd_size_type cranges_growth; | |
124 | }; | |
125 | ||
126 | #define sh64_elf_section_data(sec) \ | |
127 | ((struct sh64_section_data *) ((elf_section_data (sec))->tdata)) | |
128 | ||
252b5132 RH |
129 | #include "elf/reloc-macros.h" |
130 | ||
131 | /* Relocations. */ | |
132 | /* Relocations 25ff are GNU extensions. | |
133 | 25..33 are used for relaxation and use the same constants as COFF uses. */ | |
134 | START_RELOC_NUMBERS (elf_sh_reloc_type) | |
135 | RELOC_NUMBER (R_SH_NONE, 0) | |
136 | RELOC_NUMBER (R_SH_DIR32, 1) | |
137 | RELOC_NUMBER (R_SH_REL32, 2) | |
138 | RELOC_NUMBER (R_SH_DIR8WPN, 3) | |
139 | RELOC_NUMBER (R_SH_IND12W, 4) | |
140 | RELOC_NUMBER (R_SH_DIR8WPL, 5) | |
141 | RELOC_NUMBER (R_SH_DIR8WPZ, 6) | |
142 | RELOC_NUMBER (R_SH_DIR8BP, 7) | |
143 | RELOC_NUMBER (R_SH_DIR8W, 8) | |
144 | RELOC_NUMBER (R_SH_DIR8L, 9) | |
32d070f0 | 145 | FAKE_RELOC (R_SH_FIRST_INVALID_RELOC, 10) |
252b5132 RH |
146 | FAKE_RELOC (R_SH_LAST_INVALID_RELOC, 24) |
147 | RELOC_NUMBER (R_SH_SWITCH16, 25) | |
148 | RELOC_NUMBER (R_SH_SWITCH32, 26) | |
149 | RELOC_NUMBER (R_SH_USES, 27) | |
150 | RELOC_NUMBER (R_SH_COUNT, 28) | |
151 | RELOC_NUMBER (R_SH_ALIGN, 29) | |
152 | RELOC_NUMBER (R_SH_CODE, 30) | |
153 | RELOC_NUMBER (R_SH_DATA, 31) | |
154 | RELOC_NUMBER (R_SH_LABEL, 32) | |
155 | RELOC_NUMBER (R_SH_SWITCH8, 33) | |
156 | RELOC_NUMBER (R_SH_GNU_VTINHERIT, 34) | |
157 | RELOC_NUMBER (R_SH_GNU_VTENTRY, 35) | |
015551fc JR |
158 | RELOC_NUMBER (R_SH_LOOP_START, 36) |
159 | RELOC_NUMBER (R_SH_LOOP_END, 37) | |
32d070f0 | 160 | FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 38) |
61e31d88 AO |
161 | FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 44) |
162 | RELOC_NUMBER (R_SH_DIR5U, 45) | |
163 | RELOC_NUMBER (R_SH_DIR6U, 46) | |
164 | RELOC_NUMBER (R_SH_DIR6S, 47) | |
165 | RELOC_NUMBER (R_SH_DIR10S, 48) | |
166 | RELOC_NUMBER (R_SH_DIR10SW, 49) | |
167 | RELOC_NUMBER (R_SH_DIR10SL, 50) | |
168 | RELOC_NUMBER (R_SH_DIR10SQ, 51) | |
169 | FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_3, 52) | |
041bed02 KK |
170 | FAKE_RELOC (R_SH_LAST_INVALID_RELOC_3, 143) |
171 | RELOC_NUMBER (R_SH_TLS_GD_32, 144) | |
172 | RELOC_NUMBER (R_SH_TLS_LD_32, 145) | |
173 | RELOC_NUMBER (R_SH_TLS_LDO_32, 146) | |
174 | RELOC_NUMBER (R_SH_TLS_IE_32, 147) | |
175 | RELOC_NUMBER (R_SH_TLS_LE_32, 148) | |
176 | RELOC_NUMBER (R_SH_TLS_DTPMOD32, 149) | |
177 | RELOC_NUMBER (R_SH_TLS_DTPOFF32, 150) | |
178 | RELOC_NUMBER (R_SH_TLS_TPOFF32, 151) | |
179 | FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_4, 152) | |
180 | FAKE_RELOC (R_SH_LAST_INVALID_RELOC_4, 159) | |
32d070f0 AO |
181 | RELOC_NUMBER (R_SH_GOT32, 160) |
182 | RELOC_NUMBER (R_SH_PLT32, 161) | |
183 | RELOC_NUMBER (R_SH_COPY, 162) | |
184 | RELOC_NUMBER (R_SH_GLOB_DAT, 163) | |
185 | RELOC_NUMBER (R_SH_JMP_SLOT, 164) | |
186 | RELOC_NUMBER (R_SH_RELATIVE, 165) | |
187 | RELOC_NUMBER (R_SH_GOTOFF, 166) | |
188 | RELOC_NUMBER (R_SH_GOTPC, 167) | |
61e31d88 AO |
189 | RELOC_NUMBER (R_SH_GOTPLT32, 168) |
190 | RELOC_NUMBER (R_SH_GOT_LOW16, 169) | |
191 | RELOC_NUMBER (R_SH_GOT_MEDLOW16, 170) | |
192 | RELOC_NUMBER (R_SH_GOT_MEDHI16, 171) | |
193 | RELOC_NUMBER (R_SH_GOT_HI16, 172) | |
194 | RELOC_NUMBER (R_SH_GOTPLT_LOW16, 173) | |
195 | RELOC_NUMBER (R_SH_GOTPLT_MEDLOW16, 174) | |
196 | RELOC_NUMBER (R_SH_GOTPLT_MEDHI16, 175) | |
197 | RELOC_NUMBER (R_SH_GOTPLT_HI16, 176) | |
198 | RELOC_NUMBER (R_SH_PLT_LOW16, 177) | |
199 | RELOC_NUMBER (R_SH_PLT_MEDLOW16, 178) | |
200 | RELOC_NUMBER (R_SH_PLT_MEDHI16, 179) | |
201 | RELOC_NUMBER (R_SH_PLT_HI16, 180) | |
202 | RELOC_NUMBER (R_SH_GOTOFF_LOW16, 181) | |
203 | RELOC_NUMBER (R_SH_GOTOFF_MEDLOW16, 182) | |
204 | RELOC_NUMBER (R_SH_GOTOFF_MEDHI16, 183) | |
205 | RELOC_NUMBER (R_SH_GOTOFF_HI16, 184) | |
206 | RELOC_NUMBER (R_SH_GOTPC_LOW16, 185) | |
207 | RELOC_NUMBER (R_SH_GOTPC_MEDLOW16, 186) | |
208 | RELOC_NUMBER (R_SH_GOTPC_MEDHI16, 187) | |
209 | RELOC_NUMBER (R_SH_GOTPC_HI16, 188) | |
210 | RELOC_NUMBER (R_SH_GOT10BY4, 189) | |
211 | RELOC_NUMBER (R_SH_GOTPLT10BY4, 190) | |
212 | RELOC_NUMBER (R_SH_GOT10BY8, 191) | |
213 | RELOC_NUMBER (R_SH_GOTPLT10BY8, 192) | |
214 | RELOC_NUMBER (R_SH_COPY64, 193) | |
215 | RELOC_NUMBER (R_SH_GLOB_DAT64, 194) | |
216 | RELOC_NUMBER (R_SH_JMP_SLOT64, 195) | |
217 | RELOC_NUMBER (R_SH_RELATIVE64, 196) | |
041bed02 KK |
218 | FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_5, 197) |
219 | FAKE_RELOC (R_SH_LAST_INVALID_RELOC_5, 241) | |
61e31d88 AO |
220 | RELOC_NUMBER (R_SH_SHMEDIA_CODE, 242) |
221 | RELOC_NUMBER (R_SH_PT_16, 243) | |
222 | RELOC_NUMBER (R_SH_IMMS16, 244) | |
223 | RELOC_NUMBER (R_SH_IMMU16, 245) | |
224 | RELOC_NUMBER (R_SH_IMM_LOW16, 246) | |
225 | RELOC_NUMBER (R_SH_IMM_LOW16_PCREL, 247) | |
226 | RELOC_NUMBER (R_SH_IMM_MEDLOW16, 248) | |
227 | RELOC_NUMBER (R_SH_IMM_MEDLOW16_PCREL, 249) | |
228 | RELOC_NUMBER (R_SH_IMM_MEDHI16, 250) | |
229 | RELOC_NUMBER (R_SH_IMM_MEDHI16_PCREL, 251) | |
230 | RELOC_NUMBER (R_SH_IMM_HI16, 252) | |
231 | RELOC_NUMBER (R_SH_IMM_HI16_PCREL, 253) | |
232 | RELOC_NUMBER (R_SH_64, 254) | |
233 | RELOC_NUMBER (R_SH_64_PCREL, 255) | |
1b452ec6 | 234 | END_RELOC_NUMBERS (R_SH_max) |
252b5132 RH |
235 | |
236 | #endif |