diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/ia64/register-dump.h')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/ia64/register-dump.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/ia64/register-dump.h b/ports/sysdeps/unix/sysv/linux/ia64/register-dump.h new file mode 100644 index 0000000000..ac34a81fa2 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/ia64/register-dump.h @@ -0,0 +1,181 @@ +/* Dump registers. + Copyright (C) 2004-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + 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 <string.h> +#include <sys/uio.h> +#include <_itoa.h> + +/* We will print the register dump in this format: + + GP: XXXXXXXXXXXXXXXX R2: XXXXXXXXXXXXXXXX R3: XXXXXXXXXXXXXXXX + R8: XXXXXXXXXXXXXXXX R9: XXXXXXXXXXXXXXXX R10: XXXXXXXXXXXXXXXX + R11: XXXXXXXXXXXXXXXX SP: XXXXXXXXXXXXXXXX TP: XXXXXXXXXXXXXXXX + R14: XXXXXXXXXXXXXXXX R15: XXXXXXXXXXXXXXXX R16: XXXXXXXXXXXXXXXX + R17: XXXXXXXXXXXXXXXX R18: XXXXXXXXXXXXXXXX R19: XXXXXXXXXXXXXXXX + R20: XXXXXXXXXXXXXXXX R21: XXXXXXXXXXXXXXXX R22: XXXXXXXXXXXXXXXX + R23: XXXXXXXXXXXXXXXX R24: XXXXXXXXXXXXXXXX R25: XXXXXXXXXXXXXXXX + R26: XXXXXXXXXXXXXXXX R27: XXXXXXXXXXXXXXXX R28: XXXXXXXXXXXXXXXX + R29: XXXXXXXXXXXXXXXX R30: XXXXXXXXXXXXXXXX R31: XXXXXXXXXXXXXXXX + + RP: XXXXXXXXXXXXXXXX B6: XXXXXXXXXXXXXXXX B7: XXXXXXXXXXXXXXXX + + IP: XXXXXXXXXXXXXXXX RSC: XXXXXXXXXXXXXXXX PR: XXXXXXXXXXXXXXXX + PFS: XXXXXXXXXXXXXXXX UNAT: XXXXXXXXXXXXXXXX CFM: XXXXXXXXXXXXXXXX + CCV: XXXXXXXXXXXXXXXX FPSR: XXXXXXXXXXXXXXXX + + F32: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX F33: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + F34: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX F35: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX +... + F124: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX F125: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + F126: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX F127: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + */ + +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 +regvalue (unsigned long int *value, char letter, int regno, char *buf) +{ + int n = regno >= 100 ? 3 : regno >= 10 ? 2 : 1; + buf[0] = ' '; + buf[1] = letter; + _itoa_word (regno, buf + 2 + n, 10, 0); + buf[2 + n] = ':'; + for (++n; n <= 4; ++n) + buf[2 + n] = ' '; + hexvalue (value[0], buf + 7, 16); + if (letter == 'F') + { + hexvalue (value[1], buf + 7 + 16, 16); + buf[7 + 32] = '\n'; + } + else + buf[7 + 16] = '\n'; +} + +static void +register_dump (int fd, struct sigcontext *ctx) +{ + char gpregs[32 - 5][8 + 16]; + char fpregs[128 - 32][8 + 32]; + char bpregs[3][8 + 16]; + char spregs[8][16]; + struct iovec iov[146]; + size_t nr = 0; + int i; + +#define ADD_STRING(str) \ + do \ + { \ + iov[nr].iov_base = (char *) str; \ + iov[nr].iov_len = strlen (str); \ + ++nr; \ + } \ + while (0) +#define ADD_MEM(str, len) \ + do \ + { \ + iov[nr].iov_base = str; \ + iov[nr].iov_len = len; \ + ++nr; \ + } \ + while (0) + + /* Generate strings of register contents. */ + for (i = 1; i < 4; ++i) + { + regvalue (&ctx->sc_gr[i], 'R', i, gpregs[i - 1]); + if (ctx->sc_nat & (1L << i)) + memcpy (gpregs[i - 1] + 7, "NaT ", 16); + } + for (i = 8; i < 32; ++i) + { + regvalue (&ctx->sc_gr[i], 'R', i, gpregs[i - 5]); + if (ctx->sc_nat & (1L << i)) + memcpy (gpregs[i - 1] + 7, "NaT ", 16); + } + memcpy (gpregs[0] + 1, "GP:", 3); + memcpy (gpregs[7] + 1, "SP: ", 4); + memcpy (gpregs[8] + 1, "TP: ", 4); + + regvalue (&ctx->sc_br[0], 'B', 0, bpregs[0]); + regvalue (&ctx->sc_br[6], 'B', 6, bpregs[1]); + regvalue (&ctx->sc_br[7], 'B', 7, bpregs[2]); + memcpy (bpregs[0] + 1, "RP:", 3); + + if (ctx->sc_flags & IA64_SC_FLAG_FPH_VALID) + for (i = 32; i < 128; ++i) + regvalue (&ctx->sc_fr[i].u.bits[0], 'F', i, fpregs[i - 32]); + + hexvalue (ctx->sc_ip, spregs[0], sizeof (spregs[0])); + hexvalue (ctx->sc_ar_rsc, spregs[1], sizeof (spregs[1])); + hexvalue (ctx->sc_pr, spregs[2], sizeof (spregs[2])); + hexvalue (ctx->sc_ar_pfs, spregs[3], sizeof (spregs[3])); + hexvalue (ctx->sc_ar_unat, spregs[4], sizeof (spregs[4])); + hexvalue (ctx->sc_cfm, spregs[5], sizeof (spregs[5])); + hexvalue (ctx->sc_ar_ccv, spregs[6], sizeof (spregs[6])); + hexvalue (ctx->sc_ar_fpsr, spregs[7], sizeof (spregs[7])); + + /* Generate the output. */ + ADD_STRING ("Register dump:\n\n"); + + for (i = 0; i < 32 - 5; ++i) + ADD_MEM (gpregs[i], sizeof (gpregs[0]) - 1 + ((i % 3) == 2)); + ADD_STRING ("\n"); + + for (i = 0; i < 3; ++i) + ADD_MEM (bpregs[i], sizeof (bpregs[0]) - 1); + + ADD_STRING ("\n\n IP: "); + ADD_MEM (spregs[0], sizeof (spregs[0])); + ADD_STRING (" RSC: "); + ADD_MEM (spregs[1], sizeof (spregs[0])); + ADD_STRING (" PR: "); + ADD_MEM (spregs[2], sizeof (spregs[0])); + ADD_STRING ("\n PFS: "); + ADD_MEM (spregs[3], sizeof (spregs[0])); + ADD_STRING (" UNAT: "); + ADD_MEM (spregs[4], sizeof (spregs[0])); + ADD_STRING (" CFM: "); + ADD_MEM (spregs[5], sizeof (spregs[0])); + ADD_STRING ("\n CCV: "); + ADD_MEM (spregs[6], sizeof (spregs[0])); + ADD_STRING (" FPSR: "); + ADD_MEM (spregs[7], sizeof (spregs[0])); + ADD_STRING ("\n"); + + if (ctx->sc_flags & IA64_SC_FLAG_FPH_VALID) + { + ADD_STRING ("\n"); + + for (i = 0; i < 128 - 32; ++i) + ADD_MEM (fpregs[i], sizeof (fpregs[0]) - 1 + (i & 1)); + } + + /* Write the stuff out. */ + writev (fd, iov, nr); +} + + +#define REGISTER_DUMP register_dump (fd, ctx) |