projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 847b055c | 1 | /* Dump registers. |
| d4697bc9 | 2 | Copyright (C) 2000-2014 Free Software Foundation, Inc. |
| 847b055c AJ |
3 | Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). |
| 4 | This file is part of the GNU C Library. | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 847b055c AJ |
10 | |
| 11 | The GNU C Library 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 GNU | |
| 41bdb6e2 | 14 | Lesser General Public License for more details. |
| 847b055c | 15 | |
| 41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 847b055c AJ |
19 | |
| 20 | #include <sys/uio.h> | |
| eb96ffb0 | 21 | #include <_itoa.h> |
| 847b055c AJ |
22 | |
| 23 | /* We will print the register dump in this format: | |
| 24 | ||
| 25 | GPR0: XXXXXXXX GPR1: XXXXXXXX GPR2: XXXXXXXX GPR3: XXXXXXXX | |
| 26 | GPR4: XXXXXXXX GPR5: XXXXXXXX GPR6: XXXXXXXX GPR7: XXXXXXXX | |
| 27 | GPR8: XXXXXXXX GPR9: XXXXXXXX GPRA: XXXXXXXX GPRB: XXXXXXXX | |
| 28 | GPRC: XXXXXXXX GPRD: XXXXXXXX GPRE: XXXXXXXX GPRF: XXXXXXXX | |
| 29 | ||
| 30 | PSW.MASK: XXXXXXXX PSW.ADDR: XXXXXXXX | |
| 31 | ||
| 32 | ST(0) XXXX XXXXXXXXXXXXXXXX ST(1) XXXX XXXXXXXXXXXXXXXX | |
| 33 | ST(2) XXXX XXXXXXXXXXXXXXXX ST(3) XXXX XXXXXXXXXXXXXXXX | |
| 34 | ST(4) XXXX XXXXXXXXXXXXXXXX ST(5) XXXX XXXXXXXXXXXXXXXX | |
| 35 | ST(6) XXXX XXXXXXXXXXXXXXXX ST(7) XXXX XXXXXXXXXXXXXXXX | |
| 36 | ||
| 37 | */ | |
| 38 | ||
| 39 | static void | |
| 40 | hexvalue (unsigned long int value, char *buf, size_t len) | |
| 41 | { | |
| 42 | char *cp = _itoa_word (value, buf + len, 16, 0); | |
| 43 | while (cp > buf) | |
| 44 | *--cp = '0'; | |
| 45 | } | |
| 46 | ||
| 47 | static void | |
| 48 | register_dump (int fd, struct sigcontext *ctx) | |
| 49 | { | |
| 50 | char regs[19][8]; | |
| 51 | struct iovec iov[40]; | |
| 52 | size_t nr = 0; | |
| 53 | ||
| 54 | #define ADD_STRING(str) \ | |
| 55 | iov[nr].iov_base = (char *) str; \ | |
| 56 | iov[nr].iov_len = strlen (str); \ | |
| 57 | ++nr | |
| 58 | #define ADD_MEM(str, len) \ | |
| 59 | iov[nr].iov_base = str; \ | |
| 60 | iov[nr].iov_len = len; \ | |
| 61 | ++nr | |
| 62 | ||
| 63 | /* Generate strings of register contents. */ | |
| 64 | hexvalue (ctx->sregs->regs.gprs[0], regs[0], 8); | |
| 65 | hexvalue (ctx->sregs->regs.gprs[1], regs[1], 8); | |
| 66 | hexvalue (ctx->sregs->regs.gprs[2], regs[2], 8); | |
| 67 | hexvalue (ctx->sregs->regs.gprs[3], regs[3], 8); | |
| 68 | hexvalue (ctx->sregs->regs.gprs[4], regs[4], 8); | |
| 69 | hexvalue (ctx->sregs->regs.gprs[5], regs[5], 8); | |
| 70 | hexvalue (ctx->sregs->regs.gprs[6], regs[6], 8); | |
| 71 | hexvalue (ctx->sregs->regs.gprs[7], regs[7], 8); | |
| 72 | hexvalue (ctx->sregs->regs.gprs[8], regs[8], 8); | |
| 73 | hexvalue (ctx->sregs->regs.gprs[9], regs[9], 8); | |
| 74 | hexvalue (ctx->sregs->regs.gprs[10], regs[10], 8); | |
| 75 | hexvalue (ctx->sregs->regs.gprs[11], regs[11], 8); | |
| 76 | hexvalue (ctx->sregs->regs.gprs[12], regs[12], 8); | |
| 77 | hexvalue (ctx->sregs->regs.gprs[13], regs[13], 8); | |
| 78 | hexvalue (ctx->sregs->regs.gprs[14], regs[14], 8); | |
| 79 | hexvalue (ctx->sregs->regs.gprs[15], regs[15], 8); | |
| 80 | hexvalue (ctx->sregs->regs.psw.mask, regs[16], 8); | |
| 81 | hexvalue (ctx->sregs->regs.psw.addr, regs[17], 8); | |
| 82 | ||
| 83 | /* Generate the output. */ | |
| 84 | ADD_STRING ("Register dump:\n\n GPR0: "); | |
| 85 | ADD_MEM (regs[0], 8); | |
| 86 | ADD_STRING (" GPR1: "); | |
| 87 | ADD_MEM (regs[1], 8); | |
| 88 | ADD_STRING (" GPR2: "); | |
| 89 | ADD_MEM (regs[2], 8); | |
| 90 | ADD_STRING (" GPR3: "); | |
| 91 | ADD_MEM (regs[3], 8); | |
| 92 | ADD_STRING ("\n GPR4: "); | |
| 93 | ADD_MEM (regs[4], 8); | |
| 94 | ADD_STRING (" GPR5: "); | |
| 95 | ADD_MEM (regs[5], 8); | |
| 96 | ADD_STRING (" GPR6: "); | |
| 97 | ADD_MEM (regs[6], 8); | |
| 98 | ADD_STRING (" GPR7: "); | |
| 99 | ADD_MEM (regs[7], 8); | |
| 100 | ADD_STRING ("\n GPR8: "); | |
| 101 | ADD_MEM (regs[8], 8); | |
| 102 | ADD_STRING (" GPR9: "); | |
| 103 | ADD_MEM (regs[9], 8); | |
| 104 | ADD_STRING (" GPRA: "); | |
| 105 | ADD_MEM (regs[10], 8); | |
| 106 | ADD_STRING (" GPRB: "); | |
| 107 | ADD_MEM (regs[11], 8); | |
| 108 | ADD_STRING ("\n GPRC: "); | |
| 109 | ADD_MEM (regs[12], 8); | |
| 110 | ADD_STRING (" GPRD: "); | |
| 111 | ADD_MEM (regs[13], 8); | |
| 112 | ADD_STRING (" GPRE: "); | |
| 113 | ADD_MEM (regs[14], 8); | |
| 114 | ADD_STRING (" GPRF: "); | |
| 115 | ADD_MEM (regs[15], 8); | |
| 116 | ADD_STRING ("\n\n PSW.MASK: "); | |
| 117 | ADD_MEM (regs[16], 8); | |
| 118 | ADD_STRING (" PSW.ADDR: "); | |
| 119 | ADD_MEM (regs[17], 8); | |
| 120 | ADD_STRING (" TRAP: "); | |
| 121 | ADD_MEM (regs[18], 4); | |
| 122 | ADD_STRING ("\n"); | |
| 123 | ||
| 124 | /* Write the stuff out. */ | |
| 125 | writev (fd, iov, nr); | |
| 126 | } | |
| 127 | ||
| 128 | ||
| 6d763b87 | 129 | #define REGISTER_DUMP register_dump (fd, ctx) |