projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 885186d0 | 1 | /* Dump registers. |
| 04277e02 | 2 | Copyright (C) 2004-2019 Free Software Foundation, Inc. |
| 885186d0 RH |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 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. | |
| 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 | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| ab84e3ff | 16 | License along with the GNU C Library. If not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| 885186d0 | 18 | |
| 463402af | 19 | #include <string.h> |
| a43565ac AZ |
20 | #include <ucontext.h> |
| 21 | #include <sys/uio.h> | |
| 22 | #include <_itoa.h> | |
| 885186d0 RH |
23 | |
| 24 | /* We will print the register dump in this format: | |
| 25 | ||
| 26 | V0: XXXXXXXXXXXXXXXX T0: XXXXXXXXXXXXXXXX T1: XXXXXXXXXXXXXXXX | |
| 27 | T2: XXXXXXXXXXXXXXXX T3: XXXXXXXXXXXXXXXX T4: XXXXXXXXXXXXXXXX | |
| 28 | T5: XXXXXXXXXXXXXXXX T6: XXXXXXXXXXXXXXXX T7: XXXXXXXXXXXXXXXX | |
| 29 | S0: XXXXXXXXXXXXXXXX S1: XXXXXXXXXXXXXXXX S2: XXXXXXXXXXXXXXXX | |
| 30 | S3: XXXXXXXXXXXXXXXX S4: XXXXXXXXXXXXXXXX S5: XXXXXXXXXXXXXXXX | |
| 31 | S6: XXXXXXXXXXXXXXXX A0: XXXXXXXXXXXXXXXX A1: XXXXXXXXXXXXXXXX | |
| 32 | A2: XXXXXXXXXXXXXXXX A3: XXXXXXXXXXXXXXXX A4: XXXXXXXXXXXXXXXX | |
| 33 | A5: XXXXXXXXXXXXXXXX T8: XXXXXXXXXXXXXXXX T9: XXXXXXXXXXXXXXXX | |
| 34 | T10: XXXXXXXXXXXXXXXX T11: XXXXXXXXXXXXXXXX RA: XXXXXXXXXXXXXXXX | |
| 35 | T12: XXXXXXXXXXXXXXXX AT: XXXXXXXXXXXXXXXX GP: XXXXXXXXXXXXXXXX | |
| 36 | SP: XXXXXXXXXXXXXXXX PC: XXXXXXXXXXXXXXXX | |
| 5556231d | 37 | |
| 885186d0 RH |
38 | FP0: XXXXXXXXXXXXXXXX FP1: XXXXXXXXXXXXXXXX FP2: XXXXXXXXXXXXXXXX |
| 39 | FP3: XXXXXXXXXXXXXXXX FP4: XXXXXXXXXXXXXXXX FP5: XXXXXXXXXXXXXXXX | |
| 40 | FP6: XXXXXXXXXXXXXXXX FP7: XXXXXXXXXXXXXXXX FP8: XXXXXXXXXXXXXXXX | |
| 41 | FP9: XXXXXXXXXXXXXXXX FP10: XXXXXXXXXXXXXXXX FP11: XXXXXXXXXXXXXXXX | |
| 42 | FP12: XXXXXXXXXXXXXXXX FP13: XXXXXXXXXXXXXXXX FP14: XXXXXXXXXXXXXXXX | |
| 43 | FP15: XXXXXXXXXXXXXXXX FP16: XXXXXXXXXXXXXXXX FP17: XXXXXXXXXXXXXXXX | |
| 44 | FP18: XXXXXXXXXXXXXXXX FP19: XXXXXXXXXXXXXXXX FP20: XXXXXXXXXXXXXXXX | |
| 45 | FP21: XXXXXXXXXXXXXXXX FP22: XXXXXXXXXXXXXXXX FP23: XXXXXXXXXXXXXXXX | |
| 46 | FP24: XXXXXXXXXXXXXXXX FP25: XXXXXXXXXXXXXXXX FP26: XXXXXXXXXXXXXXXX | |
| 47 | FP27: XXXXXXXXXXXXXXXX FP28: XXXXXXXXXXXXXXXX FP29: XXXXXXXXXXXXXXXX | |
| 48 | FP30: XXXXXXXXXXXXXXXX FPCR: XXXXXXXXXXXXXXXX | |
| 5556231d | 49 | |
| 885186d0 RH |
50 | TA0: XXXXXXXXXXXXXXXX TA1: XXXXXXXXXXXXXXXX TA2: XXXXXXXXXXXXXXXX |
| 51 | */ | |
| 52 | ||
| a43565ac AZ |
53 | static void |
| 54 | hexvalue (unsigned long int value, char *buf, size_t len) | |
| 885186d0 | 55 | { |
| a43565ac AZ |
56 | char *cp = _itoa_word (value, buf + len, 16, 0); |
| 57 | while (cp > buf) | |
| 58 | *--cp = '0'; | |
| 59 | } | |
| 885186d0 | 60 | |
| 885186d0 | 61 | static void |
| a43565ac | 62 | register_dump (int fd, struct ucontext_t *ctx) |
| 885186d0 | 63 | { |
| a43565ac AZ |
64 | struct iovec iov[31 * 2 + 2 /* REGS + PC. */ |
| 65 | + 31 * 2 + 2 /* FREGS + FPCR. */ | |
| 66 | + (3 * 2) /* TA0, TA1, TA3. */ | |
| 67 | + 1 /* '\n'. */]; | |
| 68 | size_t nr = 0; | |
| 69 | ||
| 70 | #define ADD_STRING(str) \ | |
| 71 | iov[nr].iov_base = (char *) str; \ | |
| 72 | iov[nr].iov_len = strlen (str); \ | |
| 73 | ++nr | |
| 74 | #define ADD_MEM(str, len) \ | |
| 75 | iov[nr].iov_base = str; \ | |
| 76 | iov[nr].iov_len = len; \ | |
| 77 | ++nr | |
| 78 | ||
| 79 | char regs[31][16]; | |
| 80 | char pc[16]; | |
| 81 | for (int i = 0; i < 31; i++) | |
| 82 | hexvalue (ctx->uc_mcontext.sc_regs[i], regs[i], 16); | |
| 83 | hexvalue (ctx->uc_mcontext.sc_pc, pc, 16); | |
| 84 | ||
| 85 | /* Generate the output. */ | |
| 86 | ADD_STRING ("Register dump:\n\n V0: "); | |
| 87 | ADD_MEM (regs[0], 16); | |
| 88 | ADD_STRING (" T0: "); | |
| 89 | ADD_MEM (regs[1], 16); | |
| 90 | ADD_STRING (" T1: "); | |
| 91 | ADD_MEM (regs[2], 16); | |
| 92 | ADD_STRING ("\n T2: "); | |
| 93 | ADD_MEM (regs[3], 16); | |
| 94 | ADD_STRING (" T3: "); | |
| 95 | ADD_MEM (regs[4], 16); | |
| 96 | ADD_STRING (" T4: "); | |
| 97 | ADD_MEM (regs[5], 16); | |
| 98 | ADD_STRING ("\n T5: "); | |
| 99 | ADD_MEM (regs[6], 16); | |
| 100 | ADD_STRING (" T6: "); | |
| 101 | ADD_MEM (regs[7], 16); | |
| 102 | ADD_STRING (" T7: "); | |
| 103 | ADD_MEM (regs[8], 16); | |
| 104 | ADD_STRING ("\n S0: "); | |
| 105 | ADD_MEM (regs[9], 16); | |
| 106 | ADD_STRING (" S1: "); | |
| 107 | ADD_MEM (regs[10], 16); | |
| 108 | ADD_STRING (" S2: "); | |
| 109 | ADD_MEM (regs[11], 16); | |
| 110 | ADD_STRING ("\n S3: "); | |
| 111 | ADD_MEM (regs[12], 16); | |
| 112 | ADD_STRING (" S4: "); | |
| 113 | ADD_MEM (regs[13], 16); | |
| 114 | ADD_STRING (" S5: "); | |
| 115 | ADD_MEM (regs[14], 16); | |
| 116 | ADD_STRING ("\n S6: "); | |
| 117 | ADD_MEM (regs[15], 16); | |
| 118 | ADD_STRING (" A0: "); | |
| 119 | ADD_MEM (regs[16], 16); | |
| 120 | ADD_STRING (" A1: "); | |
| 121 | ADD_MEM (regs[17], 16); | |
| 122 | ADD_STRING ("\n A2: "); | |
| 123 | ADD_MEM (regs[18], 16); | |
| 124 | ADD_STRING (" A3: "); | |
| 125 | ADD_MEM (regs[19], 16); | |
| 126 | ADD_STRING (" A4: "); | |
| 127 | ADD_MEM (regs[20], 16); | |
| 128 | ADD_STRING ("\n A5: "); | |
| 129 | ADD_MEM (regs[21], 16); | |
| 130 | ADD_STRING (" T8: "); | |
| 131 | ADD_MEM (regs[22], 16); | |
| 132 | ADD_STRING (" T9: "); | |
| 133 | ADD_MEM (regs[23], 16); | |
| 134 | ADD_STRING ("\n T10: "); | |
| 135 | ADD_MEM (regs[24], 16); | |
| 136 | ADD_STRING (" T11: "); | |
| 137 | ADD_MEM (regs[25], 16); | |
| 138 | ADD_STRING (" RA: "); | |
| 139 | ADD_MEM (regs[26], 16); | |
| 140 | ADD_STRING ("\n T12: "); | |
| 141 | ADD_MEM (regs[27], 16); | |
| 142 | ADD_STRING (" AT: "); | |
| 143 | ADD_MEM (regs[28], 16); | |
| 144 | ADD_STRING (" GP: "); | |
| 145 | ADD_MEM (regs[29], 16); | |
| 146 | ADD_STRING ("\n SP: "); | |
| 147 | ADD_MEM (regs[30], 16); | |
| 148 | ADD_STRING (" PC: "); | |
| 149 | ADD_MEM (pc, 16); | |
| 150 | ||
| 151 | char fpregs[31][16]; | |
| 152 | char fpcr[16]; | |
| 153 | for (int i = 0; i < 31; i++) | |
| 154 | hexvalue (ctx->uc_mcontext.sc_fpregs[i], fpregs[i], 16); | |
| 155 | hexvalue (ctx->uc_mcontext.sc_fpcr, fpcr, 16); | |
| 156 | ||
| 157 | ADD_STRING ("\n\n FP0: "); | |
| 158 | ADD_MEM (fpregs[0], 16); | |
| 159 | ADD_STRING (" FP1: "); | |
| 160 | ADD_MEM (fpregs[1], 16); | |
| 161 | ADD_STRING (" FP2: "); | |
| 162 | ADD_MEM (fpregs[2], 16); | |
| 163 | ADD_STRING ("\n FP3: "); | |
| 164 | ADD_MEM (fpregs[3], 16); | |
| 165 | ADD_STRING (" FP4: "); | |
| 166 | ADD_MEM (fpregs[4], 16); | |
| 167 | ADD_STRING (" FP5: "); | |
| 168 | ADD_MEM (fpregs[5], 16); | |
| 169 | ADD_STRING ("\n FP6: "); | |
| 170 | ADD_MEM (fpregs[6], 16); | |
| 171 | ADD_STRING (" FP7: "); | |
| 172 | ADD_MEM (fpregs[7], 16); | |
| 173 | ADD_STRING (" FP8: "); | |
| 174 | ADD_MEM (fpregs[8], 16); | |
| 175 | ADD_STRING ("\n FP9: "); | |
| 176 | ADD_MEM (fpregs[9], 16); | |
| 177 | ADD_STRING (" FP10: "); | |
| 178 | ADD_MEM (fpregs[10], 16); | |
| 179 | ADD_STRING (" FP11: "); | |
| 180 | ADD_MEM (fpregs[11], 16); | |
| 181 | ADD_STRING ("\n FP12: "); | |
| 182 | ADD_MEM (fpregs[12], 16); | |
| 183 | ADD_STRING (" FP13: "); | |
| 184 | ADD_MEM (fpregs[13], 16); | |
| 185 | ADD_STRING (" FP14: "); | |
| 186 | ADD_MEM (fpregs[14], 16); | |
| 187 | ADD_STRING ("\n FP15: "); | |
| 188 | ADD_MEM (fpregs[15], 16); | |
| 189 | ADD_STRING (" FP16: "); | |
| 190 | ADD_MEM (fpregs[16], 16); | |
| 191 | ADD_STRING (" FP17: "); | |
| 192 | ADD_MEM (fpregs[17], 16); | |
| 193 | ADD_STRING ("\n FP18: "); | |
| 194 | ADD_MEM (fpregs[18], 16); | |
| 195 | ADD_STRING (" FP19: "); | |
| 196 | ADD_MEM (fpregs[19], 16); | |
| 197 | ADD_STRING (" FP20: "); | |
| 198 | ADD_MEM (fpregs[20], 16); | |
| 199 | ADD_STRING ("\n FP21: "); | |
| 200 | ADD_MEM (fpregs[21], 16); | |
| 201 | ADD_STRING (" FP22: "); | |
| 202 | ADD_MEM (fpregs[22], 16); | |
| 203 | ADD_STRING (" FP23: "); | |
| 204 | ADD_MEM (fpregs[23], 16); | |
| 205 | ADD_STRING ("\n FP24: "); | |
| 206 | ADD_MEM (fpregs[24], 16); | |
| 207 | ADD_STRING (" FP25: "); | |
| 208 | ADD_MEM (fpregs[25], 16); | |
| 209 | ADD_STRING (" FP26: "); | |
| 210 | ADD_MEM (fpregs[26], 16); | |
| 211 | ADD_STRING ("\n FP27: "); | |
| 212 | ADD_MEM (fpregs[27], 16); | |
| 213 | ADD_STRING (" FP28: "); | |
| 214 | ADD_MEM (fpregs[28], 16); | |
| 215 | ADD_STRING (" FP29: "); | |
| 216 | ADD_MEM (fpregs[29], 16); | |
| 217 | ADD_STRING ("\n FP30: "); | |
| 218 | ADD_MEM (fpregs[30], 16); | |
| 219 | ADD_STRING (" FPCR: "); | |
| 220 | ADD_MEM (fpcr, 16); | |
| 221 | ||
| 222 | char traparg[3][16]; | |
| 223 | hexvalue (ctx->uc_mcontext.sc_traparg_a0, traparg[0], 16); | |
| 224 | hexvalue (ctx->uc_mcontext.sc_traparg_a1, traparg[1], 16); | |
| 225 | hexvalue (ctx->uc_mcontext.sc_traparg_a2, traparg[2], 16); | |
| 226 | ADD_STRING ("\n\n TA0: "); | |
| 227 | ADD_MEM (traparg[0], 16); | |
| 228 | ADD_STRING (" TA1: "); | |
| 229 | ADD_MEM (traparg[1], 16); | |
| 230 | ADD_STRING (" TA2: "); | |
| 231 | ADD_MEM (traparg[2], 16); | |
| 232 | ||
| 233 | ADD_STRING ("\n"); | |
| 234 | ||
| 235 | /* Write the stuff out. */ | |
| 236 | writev (fd, iov, nr); | |
| 885186d0 RH |
237 | } |
| 238 | ||
| 239 | #define REGISTER_DUMP register_dump (fd, ctx) |