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/* Dump registers.
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sys/uio.h>
#include <stdio-common/_itoa.h>
static const char *regnames[] =
{
"\nr0 =", " sp =", " r2 =", " r3 =", " r4 =", " r5 =",
"\nr6 =", " r7 =", " r8 =", " r9 =", " r10=", " r11=",
"\nr12=", " r13=", " r14=", " r15=", " r16=", " r17=",
"\nr18=", " r19=", " r20=", " r21=", " r22=", " r23=",
"\nr24=", " r25=", " r26=", " r27=", " r28=", " r29=",
"\nr30=", " r31=", " nip=", " msr=", " r3*=", " ctr=",
"\nlr =", " xer=", " ccr=", " mq =", " trap=",
"\naddress of fault=", " dsisr=",
};
static void
register_dump (int fd, void **ctx)
{
char buffer[(sizeof (regnames) / sizeof (regnames[0])) * 8];
char *bufferpos = buffer + sizeof (buffer);
struct iovec iov[(sizeof (regnames) / sizeof (regnames[0])) * 2 + 1];
int nr = 0;
#define ADD_STRING(str) \
iov[nr].iov_base = (char *) str; \
iov[nr].iov_len = strlen (str); \
++nr
#define ADD_HEX(str, len) \
do { \
char *s = _itoa_word ((unsigned long int) x, bufferpos, 16, 0); \
while (bufferpos - s < 8) \
*--s = '0'; \
iov[nr].iov_base = s; \
iov[nr].iov_len = bufferpos - s; \
bufferpos = s; \
} while (0)
/* Generate the output. */
ADD_STRING ("Register dump:\n\n");
for (i = 0; i < sizeof (regnames) / sizeof (regnames[0]); i++)
{
ADD_STRING (regnames[i]);
ADD_HEX (ctx[i]);
}
/* Write the output. */
writev (fd, iov, nr);
}
#define REGISTER_DUMP \
ctx += 8; /* FIXME!!!! Why is this necessary? Is it necessary? */ \
register_dump (fd, ctx)
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