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35c08157 | 1 | /* NDS32 ELF support for BFD. |
219d1afa | 2 | Copyright (C) 2012-2018 Free Software Foundation, Inc. |
35c08157 KLC |
3 | Contributed by Andes Technology Corporation. |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA | |
20 | 02110-1301, USA. */ | |
21 | ||
22 | #ifndef _ELF_NDS32_H | |
23 | #define _ELF_NDS32_H | |
24 | ||
25 | #include "elf/reloc-macros.h" | |
26 | ||
27 | /* Relocations. */ | |
28 | START_RELOC_NUMBERS (elf_nds32_reloc_type) | |
29 | RELOC_NUMBER (R_NDS32_NONE, 0) | |
30 | /* REL relocations. */ | |
31 | RELOC_NUMBER (R_NDS32_16, 1) | |
32 | RELOC_NUMBER (R_NDS32_32, 2) | |
33 | RELOC_NUMBER (R_NDS32_20, 3) | |
34 | RELOC_NUMBER (R_NDS32_9_PCREL, 4) | |
35 | RELOC_NUMBER (R_NDS32_15_PCREL, 5) | |
36 | RELOC_NUMBER (R_NDS32_17_PCREL, 6) | |
37 | RELOC_NUMBER (R_NDS32_25_PCREL, 7) | |
38 | RELOC_NUMBER (R_NDS32_HI20, 8) | |
39 | RELOC_NUMBER (R_NDS32_LO12S3, 9) | |
40 | RELOC_NUMBER (R_NDS32_LO12S2, 10) | |
41 | RELOC_NUMBER (R_NDS32_LO12S1, 11) | |
42 | RELOC_NUMBER (R_NDS32_LO12S0, 12) | |
43 | RELOC_NUMBER (R_NDS32_SDA15S3, 13) | |
44 | RELOC_NUMBER (R_NDS32_SDA15S2, 14) | |
45 | RELOC_NUMBER (R_NDS32_SDA15S1, 15) | |
46 | RELOC_NUMBER (R_NDS32_SDA15S0, 16) | |
47 | RELOC_NUMBER (R_NDS32_GNU_VTINHERIT, 17) | |
48 | RELOC_NUMBER (R_NDS32_GNU_VTENTRY, 18) | |
49 | ||
50 | /* RELA relocations. */ | |
51 | RELOC_NUMBER (R_NDS32_16_RELA, 19) | |
52 | RELOC_NUMBER (R_NDS32_32_RELA, 20) | |
53 | RELOC_NUMBER (R_NDS32_20_RELA, 21) | |
54 | RELOC_NUMBER (R_NDS32_9_PCREL_RELA, 22) | |
55 | RELOC_NUMBER (R_NDS32_15_PCREL_RELA, 23) | |
56 | RELOC_NUMBER (R_NDS32_17_PCREL_RELA, 24) | |
57 | RELOC_NUMBER (R_NDS32_25_PCREL_RELA, 25) | |
58 | RELOC_NUMBER (R_NDS32_HI20_RELA, 26) | |
59 | RELOC_NUMBER (R_NDS32_LO12S3_RELA, 27) | |
60 | RELOC_NUMBER (R_NDS32_LO12S2_RELA, 28) | |
61 | RELOC_NUMBER (R_NDS32_LO12S1_RELA, 29) | |
62 | RELOC_NUMBER (R_NDS32_LO12S0_RELA, 30) | |
63 | RELOC_NUMBER (R_NDS32_SDA15S3_RELA, 31) | |
64 | RELOC_NUMBER (R_NDS32_SDA15S2_RELA, 32) | |
65 | RELOC_NUMBER (R_NDS32_SDA15S1_RELA, 33) | |
66 | RELOC_NUMBER (R_NDS32_SDA15S0_RELA, 34) | |
67 | RELOC_NUMBER (R_NDS32_RELA_GNU_VTINHERIT, 35) | |
68 | RELOC_NUMBER (R_NDS32_RELA_GNU_VTENTRY, 36) | |
69 | ||
70 | RELOC_NUMBER (R_NDS32_GOT20, 37) | |
71 | RELOC_NUMBER (R_NDS32_25_PLTREL, 38) | |
72 | RELOC_NUMBER (R_NDS32_COPY, 39) | |
73 | RELOC_NUMBER (R_NDS32_GLOB_DAT, 40) | |
74 | RELOC_NUMBER (R_NDS32_JMP_SLOT, 41) | |
75 | RELOC_NUMBER (R_NDS32_RELATIVE, 42) | |
76 | RELOC_NUMBER (R_NDS32_GOTOFF, 43) | |
77 | RELOC_NUMBER (R_NDS32_GOTPC20, 44) | |
78 | RELOC_NUMBER (R_NDS32_GOT_HI20, 45) | |
35c08157 KLC |
79 | RELOC_NUMBER (R_NDS32_GOT_LO12, 46) |
80 | RELOC_NUMBER (R_NDS32_GOTPC_HI20, 47) | |
81 | RELOC_NUMBER (R_NDS32_GOTPC_LO12, 48) | |
82 | RELOC_NUMBER (R_NDS32_GOTOFF_HI20, 49) | |
83 | RELOC_NUMBER (R_NDS32_GOTOFF_LO12, 50) | |
84 | RELOC_NUMBER (R_NDS32_INSN16, 51) | |
85 | RELOC_NUMBER (R_NDS32_LABEL, 52) | |
86 | RELOC_NUMBER (R_NDS32_LONGCALL1, 53) | |
87 | RELOC_NUMBER (R_NDS32_LONGCALL2, 54) | |
88 | RELOC_NUMBER (R_NDS32_LONGCALL3, 55) | |
89 | RELOC_NUMBER (R_NDS32_LONGJUMP1, 56) | |
90 | RELOC_NUMBER (R_NDS32_LONGJUMP2, 57) | |
91 | RELOC_NUMBER (R_NDS32_LONGJUMP3, 58) | |
92 | RELOC_NUMBER (R_NDS32_LOADSTORE, 59) | |
93 | RELOC_NUMBER (R_NDS32_9_FIXED_RELA, 60) | |
94 | RELOC_NUMBER (R_NDS32_15_FIXED_RELA, 61) | |
95 | RELOC_NUMBER (R_NDS32_17_FIXED_RELA, 62) | |
96 | RELOC_NUMBER (R_NDS32_25_FIXED_RELA, 63) | |
1c8f6a4d KLC |
97 | RELOC_NUMBER (R_NDS32_PLTREL_HI20, 64) /* This is obsoleted. */ |
98 | RELOC_NUMBER (R_NDS32_PLTREL_LO12, 65) /* This is obsoleted. */ | |
35c08157 KLC |
99 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_HI20, 66) |
100 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO12, 67) | |
101 | RELOC_NUMBER (R_NDS32_SDA12S2_DP_RELA, 68) | |
102 | RELOC_NUMBER (R_NDS32_SDA12S2_SP_RELA, 69) | |
103 | RELOC_NUMBER (R_NDS32_LO12S2_DP_RELA, 70) | |
104 | RELOC_NUMBER (R_NDS32_LO12S2_SP_RELA, 71) | |
105 | RELOC_NUMBER (R_NDS32_LO12S0_ORI_RELA, 72) | |
106 | RELOC_NUMBER (R_NDS32_SDA16S3_RELA, 73) | |
107 | RELOC_NUMBER (R_NDS32_SDA17S2_RELA, 74) | |
108 | RELOC_NUMBER (R_NDS32_SDA18S1_RELA, 75) | |
109 | RELOC_NUMBER (R_NDS32_SDA19S0_RELA, 76) | |
110 | RELOC_NUMBER (R_NDS32_DWARF2_OP1_RELA, 77) | |
111 | RELOC_NUMBER (R_NDS32_DWARF2_OP2_RELA, 78) | |
112 | RELOC_NUMBER (R_NDS32_DWARF2_LEB_RELA, 79) | |
113 | RELOC_NUMBER (R_NDS32_UPDATE_TA_RELA, 80) /* This is obsoleted. */ | |
114 | RELOC_NUMBER (R_NDS32_9_PLTREL, 81) | |
115 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO20, 82) | |
116 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO15, 83) | |
117 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO19, 84) | |
118 | RELOC_NUMBER (R_NDS32_GOT_LO15, 85) | |
119 | RELOC_NUMBER (R_NDS32_GOT_LO19, 86) | |
120 | RELOC_NUMBER (R_NDS32_GOTOFF_LO15, 87) | |
121 | RELOC_NUMBER (R_NDS32_GOTOFF_LO19, 88) | |
122 | RELOC_NUMBER (R_NDS32_GOT15S2_RELA, 89) | |
123 | RELOC_NUMBER (R_NDS32_GOT17S2_RELA, 90) | |
124 | RELOC_NUMBER (R_NDS32_5_RELA, 91) | |
1c8f6a4d | 125 | RELOC_NUMBER (R_NDS32_10_UPCREL_RELA, 92) /* This is obsoleted. */ |
35c08157 KLC |
126 | RELOC_NUMBER (R_NDS32_SDA_FP7U2_RELA, 93) |
127 | RELOC_NUMBER (R_NDS32_WORD_9_PCREL_RELA, 94) | |
128 | RELOC_NUMBER (R_NDS32_25_ABS_RELA, 95) | |
129 | RELOC_NUMBER (R_NDS32_17IFC_PCREL_RELA, 96) | |
130 | RELOC_NUMBER (R_NDS32_10IFCU_PCREL_RELA, 97) | |
1c8f6a4d KLC |
131 | RELOC_NUMBER (R_NDS32_TLS_LE_HI20, 98) |
132 | RELOC_NUMBER (R_NDS32_TLS_LE_LO12, 99) | |
133 | RELOC_NUMBER (R_NDS32_TLS_IE_HI20, 100) | |
134 | RELOC_NUMBER (R_NDS32_TLS_IE_LO12S2, 101) | |
135 | RELOC_NUMBER (R_NDS32_TLS_TPOFF, 102) | |
136 | RELOC_NUMBER (R_NDS32_TLS_LE_20, 103) | |
137 | RELOC_NUMBER (R_NDS32_TLS_LE_15S0, 104) | |
138 | RELOC_NUMBER (R_NDS32_TLS_LE_15S1, 105) | |
139 | RELOC_NUMBER (R_NDS32_TLS_LE_15S2, 106) | |
140 | RELOC_NUMBER (R_NDS32_LONGCALL4, 107) | |
141 | RELOC_NUMBER (R_NDS32_LONGCALL5, 108) | |
142 | RELOC_NUMBER (R_NDS32_LONGCALL6, 109) | |
143 | RELOC_NUMBER (R_NDS32_LONGJUMP4, 110) | |
144 | RELOC_NUMBER (R_NDS32_LONGJUMP5, 111) | |
145 | RELOC_NUMBER (R_NDS32_LONGJUMP6, 112) | |
146 | RELOC_NUMBER (R_NDS32_LONGJUMP7, 113) | |
35c08157 KLC |
147 | |
148 | RELOC_NUMBER (R_NDS32_RELAX_ENTRY, 192) | |
149 | RELOC_NUMBER (R_NDS32_GOT_SUFF, 193) | |
150 | RELOC_NUMBER (R_NDS32_GOTOFF_SUFF, 194) | |
151 | RELOC_NUMBER (R_NDS32_PLT_GOT_SUFF, 195) | |
1c8f6a4d | 152 | RELOC_NUMBER (R_NDS32_MULCALL_SUFF, 196) /* This is obsoleted. */ |
35c08157 KLC |
153 | RELOC_NUMBER (R_NDS32_PTR, 197) |
154 | RELOC_NUMBER (R_NDS32_PTR_COUNT, 198) | |
155 | RELOC_NUMBER (R_NDS32_PTR_RESOLVED, 199) | |
1c8f6a4d | 156 | RELOC_NUMBER (R_NDS32_PLTBLOCK, 200) /* This is obsoleted. */ |
35c08157 KLC |
157 | RELOC_NUMBER (R_NDS32_RELAX_REGION_BEGIN, 201) |
158 | RELOC_NUMBER (R_NDS32_RELAX_REGION_END, 202) | |
159 | RELOC_NUMBER (R_NDS32_MINUEND, 203) | |
160 | RELOC_NUMBER (R_NDS32_SUBTRAHEND, 204) | |
161 | RELOC_NUMBER (R_NDS32_DIFF8, 205) | |
162 | RELOC_NUMBER (R_NDS32_DIFF16, 206) | |
163 | RELOC_NUMBER (R_NDS32_DIFF32, 207) | |
164 | RELOC_NUMBER (R_NDS32_DIFF_ULEB128, 208) | |
165 | RELOC_NUMBER (R_NDS32_DATA, 209) | |
166 | RELOC_NUMBER (R_NDS32_TRAN, 210) | |
1c8f6a4d KLC |
167 | RELOC_NUMBER (R_NDS32_TLS_LE_ADD, 211) |
168 | RELOC_NUMBER (R_NDS32_TLS_LE_LS, 212) | |
169 | RELOC_NUMBER (R_NDS32_EMPTY, 213) | |
35c08157 KLC |
170 | |
171 | END_RELOC_NUMBERS (R_NDS32_max) | |
172 | ||
173 | /* Processor specific section indices. These sections do not actually | |
174 | exist. Symbols with a st_shndx field corresponding to one of these | |
175 | values have a special meaning. */ | |
176 | ||
177 | /* Processor specific flags for the ELF header e_flags field. | |
178 | ||
179 | 31 28 27 8 7 4 3 0 | |
180 | --------------------------------------------- | |
181 | | ARCH | CONFUGURAION FIELD | ABI | ELF_VER | | |
182 | --------------------------------------------- */ | |
183 | ||
184 | /* Architechure definition. */ | |
185 | ||
186 | /* 4-bit (b31-b28) nds32 architecture field. | |
187 | We can have up to 15 architectures; 0000 is for unknown. */ | |
188 | #define EF_NDS_ARCH 0xF0000000 | |
189 | #define EF_NDS_ARCH_SHIFT 28 | |
190 | /* There could be more architectures. For now, only n1 and n1h. */ | |
191 | #define E_NDS_ARCH_STAR_RESERVED 0x00000000 | |
192 | #define E_NDS_ARCH_STAR_V1_0 0x10000000 | |
193 | #define E_NDS_ARCH_STAR_V2_0 0x20000000 | |
194 | #define E_NDS_ARCH_STAR_V3_0 0x30000000 | |
195 | #define E_NDS_ARCH_STAR_V3_M 0x40000000 | |
196 | #define E_NDS_ARCH_STAR_V0_9 0x90000000 /* Obsoleted. */ | |
197 | /* n1 code. */ | |
198 | #define E_N1_ARCH E_NDS_ARCH_STAR_V0_9 | |
199 | /* n1h code. */ | |
200 | #define E_N1H_ARCH E_NDS_ARCH_STAR_V1_0 | |
201 | ||
202 | ||
203 | /* Configuration field definitioans. */ | |
204 | #define EF_NDS_INST 0x0FFFFF00 | |
205 | ||
206 | /* E_NDS_ARCH_STAR_V1_0 configuration fields. | |
207 | ||
208 | E_NDS_ARCH_STAR_V2_0 configuration fields. | |
209 | These are discarded in v2. | |
210 | * E_NDS32_HAS_MFUSR_PC_INST 0x00000100 | |
211 | * E_NDS32_HAS_DIV_INST 0x00002000 | |
212 | * E_NDS32_HAS_NO_MAC_INST 0x00100000 | |
213 | These are added in v2. | |
214 | * E_NDS32_HAS_DIV_DX_INST 0x00002000 | |
215 | * E_NDS32_HAS_MAC_DX_INST 0x00100000 */ | |
216 | ||
217 | /* MFUSR rt, PC and correct ISYNC, MSYNC instructions. | |
218 | Old N1213HC has no such instructions. */ | |
219 | #define E_NDS32_HAS_MFUSR_PC_INST 0x00000100 /* Reclaimed. */ | |
220 | #define E_NDS32_HAS_EX9_INST 0x00000100 /* v3, ELF 1.4. */ | |
221 | /* C/C++ performance extension instructions. */ | |
222 | #define E_NDS32_HAS_EXT_INST 0x00000200 | |
223 | /* Performance extension set II instructions. */ | |
224 | #define E_NDS32_HAS_EXT2_INST 0x00000400 | |
225 | /* Single precision Floating point processor instructions. */ | |
226 | #define E_NDS32_HAS_FPU_INST 0x00000800 | |
227 | /* Audio instructions with 32-bit audio dx.lo register. */ | |
228 | #define E_NDS32_HAS_AUDIO_INST 0x00001000 | |
229 | /* DIV instructions. */ | |
230 | #define E_NDS32_HAS_DIV_INST 0x00002000 /* Reclaimed. */ | |
231 | /* DIV instructions using d0/d1. */ | |
232 | #define E_NDS32_HAS_DIV_DX_INST 0x00002000 /* v2. */ | |
233 | /* 16-bit instructions. */ | |
234 | #define E_NDS32_HAS_16BIT_INST 0x00004000 /* Reclaimed. */ | |
235 | #define E_NDS32_HAS_IFC_INST 0x00004000 /* v3, ELF 1.4. */ | |
236 | /* String operation instructions. */ | |
237 | #define E_NDS32_HAS_STRING_INST 0x00008000 | |
238 | /* Reduced register file. */ | |
239 | #define E_NDS32_HAS_REDUCED_REGS 0x00010000 | |
240 | /* Video instructions. */ | |
241 | #define E_NDS32_HAS_VIDEO_INST 0x00020000 /* Reclaimed. */ | |
242 | #define E_NDS32_HAS_SATURATION_INST 0x00020000 /* v3, ELF 1.4. */ | |
243 | /* Encription instructions. */ | |
244 | #define E_NDS32_HAS_ENCRIPT_INST 0x00040000 | |
245 | /* Doulbe Precision Floating point processor instructions. */ | |
246 | #define E_NDS32_HAS_FPU_DP_INST 0x00080000 | |
247 | /* No MAC instruction used. */ | |
248 | #define E_NDS32_HAS_NO_MAC_INST 0x00100000 /* Reclaimed when V2/V3. */ | |
249 | /* MAC instruction using d0/d1. */ | |
250 | #define E_NDS32_HAS_MAC_DX_INST 0x00100000 /* v2. */ | |
251 | /* L2 cache instruction. */ | |
252 | #define E_NDS32_HAS_L2C_INST 0x00200000 | |
253 | /* FPU registers configuration when FPU SP/DP presents; 0x00c00000. */ | |
254 | #define E_NDS32_FPU_REG_CONF_SHIFT 22 | |
255 | #define E_NDS32_FPU_REG_CONF (0x3 << E_NDS32_FPU_REG_CONF_SHIFT) | |
256 | #define E_NDS32_FPU_REG_8SP_4DP 0x0 | |
257 | #define E_NDS32_FPU_REG_16SP_8DP 0x1 | |
258 | #define E_NDS32_FPU_REG_32SP_16DP 0x2 | |
259 | #define E_NDS32_FPU_REG_32SP_32DP 0x3 | |
260 | /* FPU MAC instruction used. */ | |
261 | #define E_NDS32_HAS_FPU_MAC_INST 0x01000000 | |
262 | /* <<<Empty Check>>>. */ | |
263 | #define E_NDS32_NULL 0x02000000 | |
264 | /* PIC enabled. */ | |
265 | #define E_NDS32_HAS_PIC 0x04000000 | |
266 | /* Use custom section. */ | |
267 | #define E_NDS32_HAS_CUSTOM_SEC 0x08000000 | |
268 | ||
269 | /* 4-bit for ABI signature, allow up to 16 ABIs | |
270 | 0: for OLD ABI V0, phase out | |
271 | 1: for V1 , starting with V0 toolchain | |
272 | 2: for V2 | |
273 | 3: for V2FP (fs0, fs1 as function parameter) | |
274 | 4: for AABI */ | |
275 | /* Only old N1213HC use V0. | |
276 | New ABI is used due to return register is changed to r0 from r5. */ | |
277 | #define EF_NDS_ABI 0x000000F0 | |
278 | #define EF_NDS_ABI_SHIFT 4 | |
279 | #define E_NDS_ABI_V0 0x00000000 | |
280 | #define E_NDS_ABI_V1 0x00000010 | |
281 | #define E_NDS_ABI_V2 0x00000020 | |
282 | #define E_NDS_ABI_V2FP 0x00000030 | |
283 | #define E_NDS_ABI_AABI 0x00000040 | |
284 | #define E_NDS_ABI_V2FP_PLUS 0x00000050 | |
285 | ||
286 | /* This flag signifies the version of Andes ELF. | |
287 | Some more information may exist somewhere which is TBD. */ | |
288 | #define EF_NDS32_ELF_VERSION 0x0000000F | |
289 | #define EF_NDS32_ELF_VERSION_SHIFT 0 | |
290 | ||
291 | /* Andes ELF Version 1.3 and before. */ | |
292 | #define E_NDS32_ELF_VER_1_2 0x0 | |
293 | /* Andes ELF Version 1.31. */ | |
294 | #define E_NDS32_ELF_VER_1_3 0x1 | |
295 | /* Andes ELF Version 1.4. Change the way we fix .debug_* and .gcc_except_table. | |
296 | Change three bit for EX9, IFC and SAT. */ | |
297 | #define E_NDS32_ELF_VER_1_4 0x2 | |
298 | ||
299 | #endif |