projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| e1f601e8 | 1 | /* Dump registers. |
| 2b778ceb | 2 | Copyright (C) 1999-2021 Free Software Foundation, Inc. |
| e1f601e8 | 3 | This file is part of the GNU C Library. |
| e1f601e8 UD |
4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| e1f601e8 UD |
9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| e1f601e8 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 | 16 | License along with the GNU C Library; if not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| e1f601e8 UD |
18 | |
| 19 | #include <sys/uio.h> | |
| eb96ffb0 | 20 | #include <_itoa.h> |
| e1f601e8 UD |
21 | |
| 22 | /* We will print the register dump in this format: | |
| 23 | ||
| 24 | PSR: XXXXXXXX PC: XXXXXXXX NPC: XXXXXXXX Y: XXXXXXXX | |
| 25 | g0: 00000000 g1: XXXXXXXX g2: XXXXXXXX g3: XXXXXXXX | |
| 26 | g4: XXXXXXXX g5: XXXXXXXX g6: XXXXXXXX g7: XXXXXXXX | |
| 27 | o0: XXXXXXXX o1: XXXXXXXX o2: XXXXXXXX o3: XXXXXXXX | |
| 28 | o4: XXXXXXXX o5: XXXXXXXX sp: XXXXXXXX o7: XXXXXXXX | |
| 29 | l0: XXXXXXXX l1: XXXXXXXX l2: XXXXXXXX l3: XXXXXXXX | |
| 30 | l4: XXXXXXXX l5: XXXXXXXX l6: XXXXXXXX l7: XXXXXXXX | |
| 31 | i0: XXXXXXXX i1: XXXXXXXX i2: XXXXXXXX i3: XXXXXXXX | |
| 32 | i4: XXXXXXXX i5: XXXXXXXX fp: XXXXXXXX i7: XXXXXXXX | |
| 33 | ||
| 34 | followed on sun4, sun4c, sun4d, sun4m by: | |
| 35 | ||
| 36 | Old mask: XXXXXXXX FSR: XXXXXXXX FPQ: XXXXXXXX | |
| 37 | f0: XXXXXXXXXXXXXXXX f2: XXXXXXXXXXXXXXXX f4: XXXXXXXXXXXXXXXX | |
| 38 | f6: XXXXXXXXXXXXXXXX f8: XXXXXXXXXXXXXXXX f10: XXXXXXXXXXXXXXXX | |
| 39 | f12: XXXXXXXXXXXXXXXX f14: XXXXXXXXXXXXXXXX f16: XXXXXXXXXXXXXXXX | |
| 40 | f18: XXXXXXXXXXXXXXXX f20: XXXXXXXXXXXXXXXX f22: XXXXXXXXXXXXXXXX | |
| 41 | f24: XXXXXXXXXXXXXXXX f26: XXXXXXXXXXXXXXXX f28: XXXXXXXXXXXXXXXX | |
| 42 | f30: XXXXXXXXXXXXXXXX | |
| 43 | ||
| 44 | and on sun4u by: | |
| 45 | ||
| 46 | Old mask: XXXXXXXX XFSR: XXXXXXXXXXXXXXXX GSR: XX FPRS: X | |
| 47 | f0: XXXXXXXXXXXXXXXX f2: XXXXXXXXXXXXXXXX f4: XXXXXXXXXXXXXXXX | |
| 48 | f6: XXXXXXXXXXXXXXXX f8: XXXXXXXXXXXXXXXX f10: XXXXXXXXXXXXXXXX | |
| 49 | f12: XXXXXXXXXXXXXXXX f14: XXXXXXXXXXXXXXXX f16: XXXXXXXXXXXXXXXX | |
| 50 | f18: XXXXXXXXXXXXXXXX f20: XXXXXXXXXXXXXXXX f22: XXXXXXXXXXXXXXXX | |
| 51 | f24: XXXXXXXXXXXXXXXX f26: XXXXXXXXXXXXXXXX f28: XXXXXXXXXXXXXXXX | |
| 52 | f30: XXXXXXXXXXXXXXXX f32: XXXXXXXXXXXXXXXX f34: XXXXXXXXXXXXXXXX | |
| 53 | f36: XXXXXXXXXXXXXXXX f38: XXXXXXXXXXXXXXXX f40: XXXXXXXXXXXXXXXX | |
| 54 | f42: XXXXXXXXXXXXXXXX f44: XXXXXXXXXXXXXXXX f46: XXXXXXXXXXXXXXXX | |
| 55 | f48: XXXXXXXXXXXXXXXX f50: XXXXXXXXXXXXXXXX f52: XXXXXXXXXXXXXXXX | |
| 56 | f54: XXXXXXXXXXXXXXXX f56: XXXXXXXXXXXXXXXX f58: XXXXXXXXXXXXXXXX | |
| 57 | f60: XXXXXXXXXXXXXXXX f62: XXXXXXXXXXXXXXXX | |
| 58 | ||
| 59 | */ | |
| 60 | ||
| 61 | static void | |
| 62 | hexvalue (unsigned long int value, char *buf, size_t len) | |
| 63 | { | |
| 64 | char *cp = _itoa_word (value, buf + len, 16, 0); | |
| 65 | while (cp > buf) | |
| 66 | *--cp = '0'; | |
| 67 | } | |
| 68 | ||
| 69 | struct __siginfo_sparc32_fpu | |
| 70 | { | |
| 71 | unsigned int si_float_regs[32]; | |
| 72 | unsigned int si_fsr; | |
| 73 | unsigned int si_fpq; | |
| 74 | }; | |
| 75 | struct __siginfo_sparc64_fpu | |
| 76 | { | |
| 77 | unsigned int si_float_regs[64]; | |
| 78 | unsigned int si_xfsr; | |
| 79 | unsigned int si_fsr; | |
| 80 | unsigned int _pad1; | |
| 81 | unsigned int si_gsr; | |
| 82 | unsigned int _pad2; | |
| 83 | unsigned int si_fprs; | |
| 84 | }; | |
| 85 | ||
| a43565ac AZ |
86 | /* Unlike other architectures, sparc32 passes pt_regs32 REGS pointer as |
| 87 | the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */ | |
| e1f601e8 | 88 | static void |
| a43565ac | 89 | register_dump (int fd, void *ctx) |
| e1f601e8 UD |
90 | { |
| 91 | char regs[36][8]; | |
| 92 | char fregs[68][8]; | |
| 93 | struct iovec iov[150]; | |
| 94 | size_t nr = 0; | |
| 95 | int i; | |
| a43565ac AZ |
96 | struct pt_regs32 *ptregs = (struct pt_regs32 *) ctx; |
| 97 | struct compat_sigset_t | |
| 98 | { | |
| 99 | unsigned int sig[2]; | |
| 100 | }; | |
| 101 | struct compat_sigset_t *mask = (struct compat_sigset_t *)(ptregs + 1); | |
| 102 | unsigned int *r = (unsigned int *) ptregs->u_regs[14]; | |
| e1f601e8 UD |
103 | |
| 104 | #define ADD_STRING(str) \ | |
| 105 | iov[nr].iov_base = (char *) str; \ | |
| 106 | iov[nr].iov_len = strlen (str); \ | |
| 107 | ++nr | |
| 108 | #define ADD_MEM(str, len) \ | |
| 109 | iov[nr].iov_base = str; \ | |
| 110 | iov[nr].iov_len = len; \ | |
| 111 | ++nr | |
| 112 | ||
| 113 | /* Generate strings of register contents. */ | |
| a43565ac AZ |
114 | hexvalue (ptregs->psr, regs[0], 8); |
| 115 | hexvalue (ptregs->pc, regs[1], 8); | |
| 116 | hexvalue (ptregs->npc, regs[2], 8); | |
| 117 | hexvalue (ptregs->y, regs[3], 8); | |
| e1f601e8 | 118 | for (i = 1; i <= 15; i++) |
| a43565ac | 119 | hexvalue (ptregs->u_regs[i], regs[3+i], 8); |
| e1f601e8 | 120 | for (i = 0; i <= 15; i++) |
| 313fed01 | 121 | hexvalue (r[i], regs[19+i], 8); |
| a43565ac AZ |
122 | |
| 123 | hexvalue (mask->sig[0], regs[35], 8); | |
| e1f601e8 UD |
124 | |
| 125 | /* Generate the output. */ | |
| 126 | ADD_STRING ("Register dump:\n\n PSR: "); | |
| 127 | ADD_MEM (regs[0], 8); | |
| 128 | ADD_STRING (" PC: "); | |
| 129 | ADD_MEM (regs[1], 8); | |
| 130 | ADD_STRING (" NPC: "); | |
| 131 | ADD_MEM (regs[2], 8); | |
| 132 | ADD_STRING (" Y: "); | |
| 133 | ADD_MEM (regs[3], 8); | |
| 134 | ADD_STRING ("\n g0: 00000000 g1: "); | |
| 135 | ADD_MEM (regs[4], 8); | |
| 136 | ADD_STRING (" g2: "); | |
| 137 | ADD_MEM (regs[5], 8); | |
| 138 | ADD_STRING (" g3: "); | |
| 139 | ADD_MEM (regs[6], 8); | |
| 140 | ADD_STRING ("\n g4: "); | |
| 141 | ADD_MEM (regs[7], 8); | |
| 142 | ADD_STRING (" g5: "); | |
| 143 | ADD_MEM (regs[8], 8); | |
| 144 | ADD_STRING (" g6: "); | |
| 145 | ADD_MEM (regs[9], 8); | |
| 146 | ADD_STRING (" g7: "); | |
| 147 | ADD_MEM (regs[10], 8); | |
| 148 | ADD_STRING ("\n o0: "); | |
| 149 | ADD_MEM (regs[11], 8); | |
| 150 | ADD_STRING (" o1: "); | |
| 151 | ADD_MEM (regs[12], 8); | |
| 152 | ADD_STRING (" o2: "); | |
| 153 | ADD_MEM (regs[13], 8); | |
| 154 | ADD_STRING (" o3: "); | |
| 155 | ADD_MEM (regs[14], 8); | |
| 156 | ADD_STRING ("\n o4: "); | |
| 157 | ADD_MEM (regs[15], 8); | |
| 158 | ADD_STRING (" o5: "); | |
| 159 | ADD_MEM (regs[16], 8); | |
| 160 | ADD_STRING (" sp: "); | |
| 161 | ADD_MEM (regs[17], 8); | |
| 162 | ADD_STRING (" o7: "); | |
| 163 | ADD_MEM (regs[18], 8); | |
| 164 | ADD_STRING ("\n l0: "); | |
| 165 | ADD_MEM (regs[19], 8); | |
| 166 | ADD_STRING (" l1: "); | |
| 167 | ADD_MEM (regs[20], 8); | |
| 168 | ADD_STRING (" l2: "); | |
| 169 | ADD_MEM (regs[21], 8); | |
| 170 | ADD_STRING (" l3: "); | |
| 171 | ADD_MEM (regs[22], 8); | |
| 172 | ADD_STRING ("\n l4: "); | |
| 173 | ADD_MEM (regs[23], 8); | |
| 174 | ADD_STRING (" l5: "); | |
| 175 | ADD_MEM (regs[24], 8); | |
| 176 | ADD_STRING (" l6: "); | |
| 177 | ADD_MEM (regs[25], 8); | |
| 178 | ADD_STRING (" l7: "); | |
| 179 | ADD_MEM (regs[26], 8); | |
| 180 | ADD_STRING ("\n i0: "); | |
| 181 | ADD_MEM (regs[27], 8); | |
| 182 | ADD_STRING (" i1: "); | |
| 183 | ADD_MEM (regs[28], 8); | |
| 184 | ADD_STRING (" i2: "); | |
| 185 | ADD_MEM (regs[29], 8); | |
| 186 | ADD_STRING (" i3: "); | |
| 187 | ADD_MEM (regs[30], 8); | |
| 188 | ADD_STRING ("\n i4: "); | |
| 189 | ADD_MEM (regs[31], 8); | |
| 190 | ADD_STRING (" i5: "); | |
| 191 | ADD_MEM (regs[32], 8); | |
| 192 | ADD_STRING (" fp: "); | |
| 193 | ADD_MEM (regs[33], 8); | |
| 194 | ADD_STRING (" i7: "); | |
| 195 | ADD_MEM (regs[34], 8); | |
| 196 | ADD_STRING ("\n\n Old mask: "); | |
| 197 | ADD_MEM (regs[35], 8); | |
| 198 | ||
| a43565ac | 199 | if ((ptregs->psr & 0xff000000) == 0xff000000) |
| e1f601e8 | 200 | { |
| a43565ac AZ |
201 | struct __siginfo_sparc64_fpu *f = *(struct __siginfo_sparc64_fpu **) |
| 202 | (mask + 1); | |
| e1f601e8 | 203 | |
| e1f601e8 UD |
204 | if (f != NULL) |
| 205 | { | |
| 206 | for (i = 0; i < 64; i++) | |
| 207 | hexvalue (f->si_float_regs[i], fregs[i], 8); | |
| 208 | hexvalue (f->si_xfsr, fregs[64], 8); | |
| 209 | hexvalue (f->si_fsr, fregs[65], 8); | |
| 210 | hexvalue (f->si_gsr, fregs[66], 2); | |
| 211 | hexvalue (f->si_fprs, fregs[67], 1); | |
| 212 | ADD_STRING (" XFSR: "); | |
| 213 | ADD_MEM (fregs[64], 8); | |
| 214 | ADD_MEM (fregs[65], 8); | |
| 215 | ADD_STRING (" GSR: "); | |
| 216 | ADD_MEM (fregs[66], 2); | |
| 217 | ADD_STRING (" FPRS: "); | |
| 218 | ADD_MEM (fregs[67], 1); | |
| 219 | ADD_STRING ("\n f0: "); | |
| 220 | ADD_MEM (fregs[0], 16); | |
| 221 | ADD_STRING (" f2: "); | |
| 222 | ADD_MEM (fregs[2], 16); | |
| 223 | ADD_STRING (" f4: "); | |
| 224 | ADD_MEM (fregs[4], 16); | |
| 225 | ADD_STRING ("\n f6: "); | |
| 226 | ADD_MEM (fregs[6], 16); | |
| 227 | ADD_STRING (" f8: "); | |
| 228 | ADD_MEM (fregs[8], 16); | |
| 229 | ADD_STRING (" f10: "); | |
| 230 | ADD_MEM (fregs[10], 16); | |
| 231 | ADD_STRING ("\n f12: "); | |
| 232 | ADD_MEM (fregs[12], 16); | |
| 233 | ADD_STRING (" f14: "); | |
| 234 | ADD_MEM (fregs[14], 16); | |
| 235 | ADD_STRING (" f16: "); | |
| 236 | ADD_MEM (fregs[16], 16); | |
| 237 | ADD_STRING ("\n f18: "); | |
| 238 | ADD_MEM (fregs[18], 16); | |
| 239 | ADD_STRING (" f20: "); | |
| 240 | ADD_MEM (fregs[20], 16); | |
| 241 | ADD_STRING (" f22: "); | |
| 242 | ADD_MEM (fregs[22], 16); | |
| 243 | ADD_STRING ("\n f24: "); | |
| 244 | ADD_MEM (fregs[24], 16); | |
| 245 | ADD_STRING (" f26: "); | |
| 246 | ADD_MEM (fregs[26], 16); | |
| 247 | ADD_STRING (" f28: "); | |
| 248 | ADD_MEM (fregs[28], 16); | |
| 249 | ADD_STRING ("\n f30: "); | |
| 250 | ADD_MEM (fregs[30], 16); | |
| 251 | ADD_STRING (" f32: "); | |
| 252 | ADD_MEM (fregs[32], 16); | |
| 253 | ADD_STRING (" f34: "); | |
| 254 | ADD_MEM (fregs[34], 16); | |
| 255 | ADD_STRING ("\n f36: "); | |
| 256 | ADD_MEM (fregs[36], 16); | |
| 257 | ADD_STRING (" f38: "); | |
| 258 | ADD_MEM (fregs[38], 16); | |
| 313fed01 | 259 | ADD_STRING (" f40: "); |
| e1f601e8 UD |
260 | ADD_MEM (fregs[40], 16); |
| 261 | ADD_STRING ("\n f42: "); | |
| 262 | ADD_MEM (fregs[42], 16); | |
| 263 | ADD_STRING (" f44: "); | |
| 264 | ADD_MEM (fregs[44], 16); | |
| 265 | ADD_STRING (" f46: "); | |
| 266 | ADD_MEM (fregs[46], 16); | |
| 267 | ADD_STRING ("\n f48: "); | |
| 268 | ADD_MEM (fregs[48], 16); | |
| 269 | ADD_STRING (" f50: "); | |
| 270 | ADD_MEM (fregs[50], 16); | |
| 271 | ADD_STRING (" f52: "); | |
| 272 | ADD_MEM (fregs[52], 16); | |
| 273 | ADD_STRING ("\n f54: "); | |
| 274 | ADD_MEM (fregs[54], 16); | |
| 275 | ADD_STRING (" f56: "); | |
| 276 | ADD_MEM (fregs[56], 16); | |
| 277 | ADD_STRING (" f58: "); | |
| 278 | ADD_MEM (fregs[58], 16); | |
| 279 | ADD_STRING ("\n f60: "); | |
| 280 | ADD_MEM (fregs[60], 16); | |
| 281 | ADD_STRING (" f62: "); | |
| 282 | ADD_MEM (fregs[62], 16); | |
| 283 | } | |
| 284 | } | |
| 285 | else | |
| 286 | { | |
| a43565ac AZ |
287 | struct __siginfo_sparc32_fpu *f = *(struct __siginfo_sparc32_fpu **) |
| 288 | (mask + 1); | |
| e1f601e8 | 289 | |
| e1f601e8 UD |
290 | if (f != NULL) |
| 291 | { | |
| 292 | for (i = 0; i < 32; i++) | |
| 293 | hexvalue (f->si_float_regs[i], fregs[i], 8); | |
| 294 | hexvalue (f->si_fsr, fregs[64], 8); | |
| 295 | hexvalue (f->si_fpq, fregs[65], 8); | |
| 296 | ADD_STRING (" FSR: "); | |
| 297 | ADD_MEM (fregs[64], 8); | |
| 298 | ADD_STRING (" FPQ: "); | |
| 299 | ADD_MEM (fregs[65], 8); | |
| 300 | ADD_STRING ("\n f0: "); | |
| 301 | ADD_MEM (fregs[0], 16); | |
| 302 | ADD_STRING (" f2: "); | |
| 303 | ADD_MEM (fregs[2], 16); | |
| 304 | ADD_STRING (" f4: "); | |
| 305 | ADD_MEM (fregs[4], 16); | |
| 306 | ADD_STRING ("\n f6: "); | |
| 307 | ADD_MEM (fregs[6], 16); | |
| 308 | ADD_STRING (" f8: "); | |
| 309 | ADD_MEM (fregs[8], 16); | |
| 310 | ADD_STRING (" f10: "); | |
| 311 | ADD_MEM (fregs[10], 16); | |
| 312 | ADD_STRING ("\n f12: "); | |
| 313 | ADD_MEM (fregs[12], 16); | |
| 314 | ADD_STRING (" f14: "); | |
| 315 | ADD_MEM (fregs[14], 16); | |
| 316 | ADD_STRING (" f16: "); | |
| 317 | ADD_MEM (fregs[16], 16); | |
| 318 | ADD_STRING ("\n f18: "); | |
| 319 | ADD_MEM (fregs[18], 16); | |
| 320 | ADD_STRING (" f20: "); | |
| 321 | ADD_MEM (fregs[20], 16); | |
| 322 | ADD_STRING (" f22: "); | |
| 323 | ADD_MEM (fregs[22], 16); | |
| 324 | ADD_STRING ("\n f24: "); | |
| 325 | ADD_MEM (fregs[24], 16); | |
| 326 | ADD_STRING (" f26: "); | |
| 327 | ADD_MEM (fregs[26], 16); | |
| 328 | ADD_STRING (" f28: "); | |
| 329 | ADD_MEM (fregs[28], 16); | |
| 330 | ADD_STRING ("\n f30: "); | |
| 331 | ADD_MEM (fregs[30], 16); | |
| 332 | } | |
| 333 | } | |
| 334 | ||
| 335 | ADD_STRING ("\n"); | |
| 336 | ||
| 337 | /* Write the stuff out. */ | |
| 338 | writev (fd, iov, nr); | |
| 339 | } | |
| 340 | ||
| 341 | ||
| 342 | #define REGISTER_DUMP register_dump (fd, ctx) |