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74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
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/* Dump registers.
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sys/uio.h>
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#include <stdio-common/_itoa.h>
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static const char *regnames[] =
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{
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"\nr0 =", " sp =", " r2 =", " r3 =", " r4 =", " r5 =",
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"\nr6 =", " r7 =", " r8 =", " r9 =", " r10=", " r11=",
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"\nr12=", " r13=", " r14=", " r15=", " r16=", " r17=",
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"\nr18=", " r19=", " r20=", " r21=", " r22=", " r23=",
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"\nr24=", " r25=", " r26=", " r27=", " r28=", " r29=",
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"\nr30=", " r31=", " nip=", " msr=", " r3*=", " ctr=",
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"\nlr =", " xer=", " ccr=", " mq =", " trap=",
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"\naddress of fault=", " dsisr=",
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};
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static void
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register_dump (int fd, void **ctx)
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{
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char buffer[(sizeof (regnames) / sizeof (regnames[0])) * 8];
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char *bufferpos = buffer + sizeof (buffer);
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struct iovec iov[(sizeof (regnames) / sizeof (regnames[0])) * 2 + 1];
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int nr = 0;
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#define ADD_STRING(str) \
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iov[nr].iov_base = (char *) str; \
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iov[nr].iov_len = strlen (str); \
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++nr
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#define ADD_HEX(str, len) \
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do { \
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char *s = _itoa_word ((unsigned long int) x, bufferpos, 16, 0); \
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while (bufferpos - s < 8) \
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*--s = '0'; \
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iov[nr].iov_base = s; \
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iov[nr].iov_len = bufferpos - s; \
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bufferpos = s; \
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} while (0)
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/* Generate the output. */
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ADD_STRING ("Register dump:\n\n");
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for (i = 0; i < sizeof (regnames) / sizeof (regnames[0]); i++)
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{
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ADD_STRING (regnames[i]);
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ADD_HEX (ctx[i]);
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}
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/* Write the output. */
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writev (fd, iov, nr);
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}
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#define REGISTER_DUMP \
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ctx += 8; /* FIXME!!!! Why is this necessary? Is it necessary? */ \
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register_dump (fd, ctx)
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