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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/* Dump registers.
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Copyright (C) 1998, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stddef.h>
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#include <sys/uio.h>
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#include <stdio-common/_itoa.h>
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/* We will print the register dump in this format:
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R0: XXXXXXXX R1: XXXXXXXX R2: XXXXXXXX R3: XXXXXXXX
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R4: XXXXXXXX R5: XXXXXXXX R6: XXXXXXXX R7: XXXXXXXX
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R8: XXXXXXXX R9: XXXXXXXX R10: XXXXXXXX R11: XXXXXXXX
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R12: XXXXXXXX R13: XXXXXXXX SP: XXXXXXXX PC: XXXXXXXX
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DCCR: XXXXXXXX SRP: XXXXXXXX */
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static void
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hexvalue (unsigned long int value, char *buf, size_t len)
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{
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char *cp = _itoa_word (value, buf + len, 16, 0);
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while (cp > buf)
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*--cp = '0';
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}
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static void register_dump (int fd, struct sigcontext *ctx)
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{
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char regs[18][8];
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struct iovec iov[36], *next_iov = iov;
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struct pt_regs *rx = &ctx->regs;
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#define ADD_STRING(str) \
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next_iov->iov_base = (char *) (str); \
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next_iov->iov_len = strlen (str); \
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++next_iov
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#define ADD_MEM(str, len) \
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next_iov->iov_base = (str); \
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next_iov->iov_len = (len); \
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++next_iov
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/* Generate strings of register contents. */
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hexvalue (rx->r0, regs[0], 8);
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hexvalue (rx->r1, regs[1], 8);
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hexvalue (rx->r2, regs[2], 8);
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hexvalue (rx->r3, regs[3], 8);
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hexvalue (rx->r4, regs[4], 8);
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hexvalue (rx->r5, regs[5], 8);
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hexvalue (rx->r6, regs[6], 8);
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hexvalue (rx->r7, regs[7], 8);
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hexvalue (rx->r8, regs[8], 8);
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hexvalue (rx->r9, regs[9], 8);
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hexvalue (rx->r10, regs[10], 8);
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hexvalue (rx->r11, regs[11], 8);
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hexvalue (rx->r12, regs[12], 8);
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hexvalue (rx->r13, regs[13], 8);
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hexvalue (ctx->usp, regs[14], 8);
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hexvalue (rx->irp, regs[17], 8);
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hexvalue (rx->dccr, regs[15], 8);
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hexvalue (rx->srp, regs[16], 8);
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/* Generate the output. */
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ADD_STRING ("Register dump:\n\n R0: ");
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ADD_MEM (regs[0], 8);
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ADD_STRING (" R1: ");
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ADD_MEM (regs[1], 8);
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ADD_STRING (" R2: ");
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ADD_MEM (regs[2], 8);
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ADD_STRING (" R3: ");
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ADD_MEM (regs[3], 8);
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ADD_STRING ("\n R4: ");
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ADD_MEM (regs[4], 8);
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ADD_STRING (" R5: ");
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ADD_MEM (regs[5], 8);
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ADD_STRING (" R6: ");
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ADD_MEM (regs[6], 8);
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ADD_STRING (" R7: ");
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ADD_MEM (regs[7], 8);
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ADD_STRING ("\n R8: ");
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ADD_MEM (regs[8], 8);
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ADD_STRING (" R9: ");
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ADD_MEM (regs[9], 8);
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ADD_STRING (" R10: ");
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ADD_MEM (regs[10], 8);
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ADD_STRING (" R11: ");
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ADD_MEM (regs[11], 8);
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ADD_STRING ("\n R12: ");
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ADD_MEM (regs[12], 8);
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ADD_STRING (" R13: ");
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ADD_MEM (regs[13], 8);
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ADD_STRING (" SP: ");
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ADD_MEM (regs[14], 8);
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ADD_STRING (" PC: ");
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ADD_MEM (regs[17], 8);
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ADD_STRING ("\nDCCR: ");
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ADD_MEM (regs[15], 8);
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ADD_STRING (" SRP: ");
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ADD_MEM (regs[16], 4);
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/* Write the stuff out. */
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writev (fd, iov, next_iov - iov);
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}
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#define REGISTER_DUMP register_dump (fd, ctx)
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