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/* Dump registers.
Copyright (C) 1998, 2001 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stddef.h>
#include <sys/uio.h>
#include <stdio-common/_itoa.h>
/* We will print the register dump in this format:
R0: XXXXXXXX R1: XXXXXXXX R2: XXXXXXXX R3: XXXXXXXX
R4: XXXXXXXX R5: XXXXXXXX R6: XXXXXXXX R7: XXXXXXXX
R8: XXXXXXXX R9: XXXXXXXX R10: XXXXXXXX R11: XXXXXXXX
R12: XXXXXXXX R13: XXXXXXXX SP: XXXXXXXX PC: XXXXXXXX
DCCR: XXXXXXXX SRP: 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, struct sigcontext *ctx)
{
char regs[18][8];
struct iovec iov[36], *next_iov = iov;
struct pt_regs *rx = &ctx->regs;
#define ADD_STRING(str) \
next_iov->iov_base = (char *) (str); \
next_iov->iov_len = strlen (str); \
++next_iov
#define ADD_MEM(str, len) \
next_iov->iov_base = (str); \
next_iov->iov_len = (len); \
++next_iov
/* Generate strings of register contents. */
hexvalue (rx->r0, regs[0], 8);
hexvalue (rx->r1, regs[1], 8);
hexvalue (rx->r2, regs[2], 8);
hexvalue (rx->r3, regs[3], 8);
hexvalue (rx->r4, regs[4], 8);
hexvalue (rx->r5, regs[5], 8);
hexvalue (rx->r6, regs[6], 8);
hexvalue (rx->r7, regs[7], 8);
hexvalue (rx->r8, regs[8], 8);
hexvalue (rx->r9, regs[9], 8);
hexvalue (rx->r10, regs[10], 8);
hexvalue (rx->r11, regs[11], 8);
hexvalue (rx->r12, regs[12], 8);
hexvalue (rx->r13, regs[13], 8);
hexvalue (ctx->usp, regs[14], 8);
hexvalue (rx->irp, regs[17], 8);
hexvalue (rx->dccr, regs[15], 8);
hexvalue (rx->srp, regs[16], 8);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n R0: ");
ADD_MEM (regs[0], 8);
ADD_STRING (" R1: ");
ADD_MEM (regs[1], 8);
ADD_STRING (" R2: ");
ADD_MEM (regs[2], 8);
ADD_STRING (" R3: ");
ADD_MEM (regs[3], 8);
ADD_STRING ("\n R4: ");
ADD_MEM (regs[4], 8);
ADD_STRING (" R5: ");
ADD_MEM (regs[5], 8);
ADD_STRING (" R6: ");
ADD_MEM (regs[6], 8);
ADD_STRING (" R7: ");
ADD_MEM (regs[7], 8);
ADD_STRING ("\n R8: ");
ADD_MEM (regs[8], 8);
ADD_STRING (" R9: ");
ADD_MEM (regs[9], 8);
ADD_STRING (" R10: ");
ADD_MEM (regs[10], 8);
ADD_STRING (" R11: ");
ADD_MEM (regs[11], 8);
ADD_STRING ("\n R12: ");
ADD_MEM (regs[12], 8);
ADD_STRING (" R13: ");
ADD_MEM (regs[13], 8);
ADD_STRING (" SP: ");
ADD_MEM (regs[14], 8);
ADD_STRING (" PC: ");
ADD_MEM (regs[17], 8);
ADD_STRING ("\nDCCR: ");
ADD_MEM (regs[15], 8);
ADD_STRING (" SRP: ");
ADD_MEM (regs[16], 4);
/* Write the stuff out. */
writev (fd, iov, next_iov - iov);
}
#define REGISTER_DUMP register_dump (fd, ctx)
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