diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/csky/register-dump.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/csky/register-dump.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/csky/register-dump.h b/sysdeps/unix/sysv/linux/csky/register-dump.h new file mode 100644 index 0000000000..a3f0537c1c --- /dev/null +++ b/sysdeps/unix/sysv/linux/csky/register-dump.h @@ -0,0 +1,190 @@ +/* Dump registers. + Copyright (C) 2018-2019 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 + <https://www.gnu.org/licenses/>. */ + +#include <sys/uio.h> +#include <_itoa.h> +#include <bits/sigcontext.h> +#include <sys/ucontext.h> + +/* abiv1 register dump in this format: + + PSR: XXXXXXXX PC: XXXXXXXX SP: XXXXXXXX LR: XXXXXXXX + MASK: XXXXXXXX + + A0: XXXXXXXX A1: XXXXXXXX A2: XXXXXXXX A3: XXXXXXXX + R6: XXXXXXXX R7: XXXXXXXX R8: XXXXXXXX R9: XXXXXXXX + R10: XXXXXXXX R11: XXXXXXXX R12: XXXXXXXX R13: XXXXXXXX + R14: XXXXXXXX R1: XXXXXXXX + + abiv2 register dump in this format: + + PSR: XXXXXXXX PC: XXXXXXXX SP: XXXXXXXX LR: XXXXXXXX + MASK: XXXXXXXX + + A0: XXXXXXXX A1: XXXXXXXX A2: XXXXXXXX A3: XXXXXXXX + R4: XXXXXXXX R5: XXXXXXXX R6: XXXXXXXX R7: XXXXXXXX + R8: XXXXXXXX R9: XXXXXXXX R10: XXXXXXXX R11: XXXXXXXX + R12: XXXXXXXX R13: XXXXXXXX R14: XXXXXXXX R15: XXXXXXXX + R16: XXXXXXXX R17: XXXXXXXX R18: XXXXXXXX R19: XXXXXXXX + R20: XXXXXXXX R21: XXXXXXXX R22: XXXXXXXX R23: XXXXXXXX + R24: XXXXXXXX R25: XXXXXXXX R26: XXXXXXXX R27: XXXXXXXX + R28: XXXXXXXX R29: XXXXXXXX R30: XXXXXXXX R31: XXXXXXXX + + */ + +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'; +} + +static void +register_dump (int fd, const struct ucontext_t *ctx) +{ + char regs[35][8]; + struct iovec iov[97]; + size_t nr = 0; + +#define ADD_STRING(str) \ + iov[nr].iov_base = (char *) str; \ + iov[nr].iov_len = strlen (str); \ + ++nr +#define ADD_MEM(str, len) \ + iov[nr].iov_base = str; \ + iov[nr].iov_len = len; \ + ++nr + + /* Generate strings of register contents. */ + hexvalue (ctx->uc_mcontext.__gregs.__sr, regs[0], 8); + hexvalue (ctx->uc_mcontext.__gregs.__pc, regs[1], 8); + hexvalue (ctx->uc_mcontext.__gregs.__usp, regs[2], 8); + hexvalue (ctx->uc_mcontext.__gregs.__lr, regs[3], 8); + hexvalue (ctx->uc_mcontext.__gregs.__a0, regs[4], 8); + hexvalue (ctx->uc_mcontext.__gregs.__a1, regs[5], 8); + hexvalue (ctx->uc_mcontext.__gregs.__a2, regs[6], 8); + hexvalue (ctx->uc_mcontext.__gregs.__a3, regs[7], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[0], regs[8], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[1], regs[9], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[2], regs[10], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[3], regs[11], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[4], regs[12], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[5], regs[13], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[6], regs[14], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[7], regs[15], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[8], regs[16], 8); + hexvalue (ctx->uc_mcontext.__gregs.__regs[9], regs[17], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[0], regs[18], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[1], regs[19], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[2], regs[20], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[3], regs[21], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[4], regs[22], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[5], regs[23], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[6], regs[24], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[7], regs[25], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[8], regs[26], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[9], regs[27], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[10], regs[28], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[11], regs[29], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[12], regs[30], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[13], regs[31], 8); + hexvalue (ctx->uc_mcontext.__gregs.__exregs[14], regs[32], 8); + hexvalue (ctx->uc_mcontext.__gregs.__tls, regs[33], 8); + + /* Generate the output. */ + ADD_STRING ("Register dump:\n\n PSR: "); + ADD_MEM (regs[0], 8); + ADD_STRING (" PC: "); + ADD_MEM (regs[1], 8); + ADD_STRING (" SP: "); + ADD_MEM (regs[2], 8); + ADD_STRING (" LR: "); + ADD_MEM (regs[3], 8); + ADD_STRING ("\n\n A0: "); + ADD_MEM (regs[4], 8); + ADD_STRING (" A1: "); + ADD_MEM (regs[5], 8); + ADD_STRING (" A2: "); + ADD_MEM (regs[6], 8); + ADD_STRING (" A3: "); + ADD_MEM (regs[7], 8); + ADD_STRING ("\n R4: "); + ADD_MEM (regs[8], 8); + ADD_STRING (" R5: "); + ADD_MEM (regs[9], 8); + ADD_STRING (" R6: "); + ADD_MEM (regs[10], 8); + ADD_STRING (" R7: "); + ADD_MEM (regs[11], 8); + ADD_STRING ("\n R8: "); + ADD_MEM (regs[12], 8); + ADD_STRING (" R9: "); + ADD_MEM (regs[13], 8); + ADD_STRING (" R10: "); + ADD_MEM (regs[14], 8); + ADD_STRING (" R11: "); + ADD_MEM (regs[15], 8); + ADD_STRING ("\n R12: "); + ADD_MEM (regs[16], 8); + ADD_STRING (" R13: "); + ADD_MEM (regs[17], 8); + ADD_STRING (" R14: "); + ADD_MEM (regs[2], 8); + ADD_STRING (" R15: "); + ADD_MEM (regs[3], 8); + ADD_STRING ("\n R16: "); + ADD_MEM (regs[18], 8); + ADD_STRING (" R17: "); + ADD_MEM (regs[19], 8); + ADD_STRING (" R18: "); + ADD_MEM (regs[20], 8); + ADD_STRING (" R19: "); + ADD_MEM (regs[21], 8); + ADD_STRING ("\n R20: "); + ADD_MEM (regs[22], 8); + ADD_STRING (" R21: "); + ADD_MEM (regs[23], 8); + ADD_STRING (" R22: "); + ADD_MEM (regs[24], 8); + ADD_STRING (" R23: "); + ADD_MEM (regs[25], 8); + ADD_STRING ("\n R24: "); + ADD_MEM (regs[26], 8); + ADD_STRING (" R25: "); + ADD_MEM (regs[27], 8); + ADD_STRING (" R26: "); + ADD_MEM (regs[28], 8); + ADD_STRING (" R27: "); + ADD_MEM (regs[29], 8); + ADD_STRING ("\n R28: "); + ADD_MEM (regs[30], 8); + ADD_STRING (" R29: "); + ADD_MEM (regs[31], 8); + ADD_STRING (" R30: "); + ADD_MEM (regs[32], 8); + ADD_STRING (" R31: "); + ADD_MEM (regs[33], 8); + + ADD_STRING ("\n"); + + /* Write the stuff out. */ + writev (fd, iov, nr); +} + +#define REGISTER_DUMP register_dump (fd, ctx) |