diff options
author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
commit | e84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch) | |
tree | dff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h | |
parent | 75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff) | |
parent | e64ac02c24b43659048622714afdc92fedf561fa (diff) |
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h b/ports/sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h new file mode 100644 index 0000000000..9907bbf241 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h @@ -0,0 +1,111 @@ +/* Copyright (C) 2011 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + Based on work contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. + + 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 <sys/uio.h> +#include <_itoa.h> + +/* We will print the register dump in this format: + + R0: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R8: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R16: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R24: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R32: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R40: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R48: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R52: XXXXXXXX TP: XXXXXXXX SP: XXXXXXXX LR: XXXXXXXX + + PC: XXXXXXXX ICS: X FAULTNUM: XX + + */ + +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, mcontext_t *ctx) +{ + char regs[59][8]; + struct iovec iov[143]; + size_t nr = 0; + unsigned int i; + +#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. */ + for (i = 0; i < 56; ++i) + hexvalue (ctx->gregs[i], regs[i], 8); + hexvalue (ctx->pc, regs[56], 8); + hexvalue (ctx->ics, regs[57], 1); + hexvalue (ctx->faultnum, regs[58], 2); + + /* Generate the output. */ + for (i = 0; i < 52;) + { + const char *prefixes[] = { + "Register dump:\n\n R0: ", + "\n R8: ", + "\n R16: ", + "\n R24: ", + "\n R32: ", + "\n R40: ", + "\n R48: " + }; + ADD_STRING (prefixes[i / 8]); + do + { + ADD_MEM (regs[i], 8); + ADD_STRING (" "); + } + while (++i % 8 && i < 52); + } + ADD_STRING ("\n R52: "); + ADD_MEM (regs[52], 8); + ADD_STRING (" TP: "); + ADD_MEM (regs[53], 8); + ADD_STRING (" SP: "); + ADD_MEM (regs[54], 8); + ADD_STRING (" LR: "); + ADD_MEM (regs[55], 8); + ADD_STRING ("\n\n PC: "); + ADD_MEM (regs[56], 8); + ADD_STRING (" ICS: "); + ADD_MEM (regs[57], 1); + ADD_STRING (" FAULTNUM: "); + ADD_MEM (regs[58], 2); + ADD_STRING ("\n"); + + /* Write the stuff out. */ + writev (fd, iov, nr); +} + + +#define REGISTER_DUMP register_dump (fd, &ctx->uc_mcontext) |