| /* Dump registers. |
| Copyright (C) 2000-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <unistd.h> |
| #include <string.h> |
| #include <_itoa.h> |
| |
| static void |
| hexvalue (unsigned long int value, char *buf, size_t len) |
| { |
| char *cp = _itoa_word (value, buf + len, 16, 0); |
| while (cp > buf) |
| *--cp = '0'; |
| } |
| |
| #define REGDUMP_NREGS 32 |
| #define REGDUMP_PER_LINE (80 / (__WORDSIZE / 4 + 4)) |
| |
| static void |
| register_dump (int fd, ucontext_t *ctx) |
| { |
| int i; |
| char regvalue[__WORDSIZE / 4 + 1]; |
| char str[82 * ((REGDUMP_NREGS + REGDUMP_PER_LINE - 1) / REGDUMP_PER_LINE)]; |
| |
| static const char names[REGDUMP_NREGS][4] = { |
| "pc", "ra", "sp", "gp", "tp", "t0", "t1", "t2", |
| "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", |
| "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", |
| "s8", "s9", "sA", "sB", "t3", "t4", "t5", "t6" |
| }; |
| |
| str[0] = 0; |
| for (i = 0; i < REGDUMP_NREGS; i++) |
| { |
| strcat (str, names[i]); |
| strcat (str, " "); |
| hexvalue (ctx->uc_mcontext.__gregs[i], regvalue, __WORDSIZE / 4); |
| strcat (str, regvalue); |
| |
| if ((i + 1) % REGDUMP_PER_LINE == 0) |
| strcat (str, "\n"); |
| } |
| |
| write (fd, str, strlen (str)); |
| } |
| |
| #define REGISTER_DUMP register_dump (fd, ctx) |
