projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| e5432e28 | 1 | /* Dump registers. |
| d4697bc9 | 2 | Copyright (C) 1998-2014 Free Software Foundation, Inc. |
| e5432e28 UD |
3 | This file is part of the GNU C Library. |
| 4 | Contributed by Philip Blundell <pb@nexus.co.uk>, 1998. | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 3214b89b 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. | |
| e5432e28 UD |
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 | |
| 3214b89b | 14 | Lesser General Public License for more details. |
| e5432e28 | 15 | |
| 3214b89b | 16 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
17 | License along with the GNU C Library. If not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| e5432e28 UD |
19 | |
| 20 | #include <sys/uio.h> | |
| bf98494a | 21 | #include <_itoa.h> |
| c206ce7f | 22 | #include <sys/ucontext.h> |
| e5432e28 UD |
23 | |
| 24 | /* We will print the register dump in this format: | |
| 25 | ||
| 26 | R0: XXXXXXXX R1: XXXXXXXX R2: XXXXXXXX R3: XXXXXXXX | |
| 27 | R4: XXXXXXXX R5: XXXXXXXX R6: XXXXXXXX R7: XXXXXXXX | |
| 28 | R8: XXXXXXXX R9: XXXXXXXX SL: XXXXXXXX FP: XXXXXXXX | |
| 29 | IP: XXXXXXXX SP: XXXXXXXX LR: XXXXXXXX PC: XXXXXXXX | |
| 30 | ||
| 31 | CPSR: XXXXXXXX | |
| 32 | ||
| 33 | Trap: XXXXXXXX Error: XXXXXXXX OldMask: XXXXXXXX | |
| 7ace52d0 | 34 | Addr: XXXXXXXX |
| e5432e28 UD |
35 | |
| 36 | */ | |
| 37 | ||
| 38 | static void | |
| 39 | hexvalue (unsigned long int value, char *buf, size_t len) | |
| 40 | { | |
| 41 | char *cp = _itoa_word (value, buf + len, 16, 0); | |
| 42 | while (cp > buf) | |
| 43 | *--cp = '0'; | |
| 44 | } | |
| 45 | ||
| 46 | static void | |
| c206ce7f | 47 | register_dump (int fd, const struct ucontext *ctx) |
| e5432e28 | 48 | { |
| 7ace52d0 | 49 | char regs[21][8]; |
| e5432e28 UD |
50 | struct iovec iov[97]; |
| 51 | size_t nr = 0; | |
| 52 | ||
| 53 | #define ADD_STRING(str) \ | |
| 54 | iov[nr].iov_base = (char *) str; \ | |
| 55 | iov[nr].iov_len = strlen (str); \ | |
| 56 | ++nr | |
| 57 | #define ADD_MEM(str, len) \ | |
| 58 | iov[nr].iov_base = str; \ | |
| 59 | iov[nr].iov_len = len; \ | |
| 60 | ++nr | |
| 61 | ||
| 62 | /* Generate strings of register contents. */ | |
| c206ce7f DJ |
63 | hexvalue (ctx->uc_mcontext.arm_r0, regs[0], 8); |
| 64 | hexvalue (ctx->uc_mcontext.arm_r1, regs[1], 8); | |
| 65 | hexvalue (ctx->uc_mcontext.arm_r2, regs[2], 8); | |
| 66 | hexvalue (ctx->uc_mcontext.arm_r3, regs[3], 8); | |
| 67 | hexvalue (ctx->uc_mcontext.arm_r4, regs[4], 8); | |
| 68 | hexvalue (ctx->uc_mcontext.arm_r5, regs[5], 8); | |
| 69 | hexvalue (ctx->uc_mcontext.arm_r6, regs[6], 8); | |
| 70 | hexvalue (ctx->uc_mcontext.arm_r7, regs[7], 8); | |
| 71 | hexvalue (ctx->uc_mcontext.arm_r8, regs[8], 8); | |
| 72 | hexvalue (ctx->uc_mcontext.arm_r9, regs[9], 8); | |
| 73 | hexvalue (ctx->uc_mcontext.arm_r10, regs[10], 8); | |
| 74 | hexvalue (ctx->uc_mcontext.arm_fp, regs[11], 8); | |
| 75 | hexvalue (ctx->uc_mcontext.arm_ip, regs[12], 8); | |
| 76 | hexvalue (ctx->uc_mcontext.arm_sp, regs[13], 8); | |
| 77 | hexvalue (ctx->uc_mcontext.arm_lr, regs[14], 8); | |
| 78 | hexvalue (ctx->uc_mcontext.arm_pc, regs[15], 8); | |
| 79 | hexvalue (ctx->uc_mcontext.arm_cpsr, regs[16], 8); | |
| 80 | hexvalue (ctx->uc_mcontext.trap_no, regs[17], 8); | |
| 81 | hexvalue (ctx->uc_mcontext.error_code, regs[18], 8); | |
| 82 | hexvalue (ctx->uc_mcontext.oldmask, regs[19], 8); | |
| 83 | hexvalue (ctx->uc_mcontext.fault_address, regs[20], 8); | |
| e5432e28 UD |
84 | |
| 85 | /* Generate the output. */ | |
| 86 | ADD_STRING ("Register dump:\n\n R0: "); | |
| 87 | ADD_MEM (regs[0], 8); | |
| 88 | ADD_STRING (" R1: "); | |
| 89 | ADD_MEM (regs[1], 8); | |
| 90 | ADD_STRING (" R2: "); | |
| 91 | ADD_MEM (regs[2], 8); | |
| 92 | ADD_STRING (" R3: "); | |
| 93 | ADD_MEM (regs[3], 8); | |
| 94 | ADD_STRING ("\n R4: "); | |
| 95 | ADD_MEM (regs[4], 8); | |
| 96 | ADD_STRING (" R5: "); | |
| 97 | ADD_MEM (regs[5], 8); | |
| 98 | ADD_STRING (" R6: "); | |
| 99 | ADD_MEM (regs[6], 8); | |
| 100 | ADD_STRING (" R7: "); | |
| 101 | ADD_MEM (regs[7], 8); | |
| 102 | ADD_STRING ("\n R8: "); | |
| 103 | ADD_MEM (regs[8], 8); | |
| 104 | ADD_STRING (" R9: "); | |
| 105 | ADD_MEM (regs[9], 8); | |
| 106 | ADD_STRING (" SL: "); | |
| 107 | ADD_MEM (regs[10], 8); | |
| 108 | ADD_STRING (" FP: "); | |
| 109 | ADD_MEM (regs[11], 8); | |
| 110 | ADD_STRING ("\n IP: "); | |
| 111 | ADD_MEM (regs[12], 8); | |
| 112 | ADD_STRING (" SP: "); | |
| 113 | ADD_MEM (regs[13], 8); | |
| 114 | ADD_STRING (" LR: "); | |
| 115 | ADD_MEM (regs[14], 8); | |
| 116 | ADD_STRING (" PC: "); | |
| 117 | ADD_MEM (regs[15], 8); | |
| 118 | ADD_STRING ("\n\n CPSR: "); | |
| 119 | ADD_MEM (regs[16], 8); | |
| 120 | ADD_STRING ("\n\n Trap: "); | |
| 121 | ADD_MEM (regs[17], 8); | |
| 122 | ADD_STRING (" Error: "); | |
| 123 | ADD_MEM (regs[18], 8); | |
| 124 | ADD_STRING (" OldMask: "); | |
| 125 | ADD_MEM (regs[19], 8); | |
| c206ce7f DJ |
126 | ADD_STRING ("\n Addr: "); |
| 127 | ADD_MEM (regs[20], 8); | |
| e5432e28 UD |
128 | |
| 129 | ADD_STRING ("\n"); | |
| 130 | ||
| 131 | /* Write the stuff out. */ | |
| 132 | writev (fd, iov, nr); | |
| 133 | } | |
| 134 | ||
| 135 | ||
| c206ce7f | 136 | #define REGISTER_DUMP register_dump (fd, ctx) |