diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/riscv/register-dump.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/riscv/register-dump.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/riscv/register-dump.h b/sysdeps/unix/sysv/linux/riscv/register-dump.h new file mode 100644 index 0000000000..234ce630f9 --- /dev/null +++ b/sysdeps/unix/sysv/linux/riscv/register-dump.h @@ -0,0 +1,63 @@ +/* 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) |