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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.
167 lines
5.2 KiB
C
167 lines
5.2 KiB
C
/* Dump registers.
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Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Philip Blundell <pb@nexus.co.uk>, 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 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 <sys/uio.h>
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#include <stdio-common/_itoa.h>
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#include <bits/armsigctx.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 SL: XXXXXXXX FP: XXXXXXXX
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IP: XXXXXXXX SP: XXXXXXXX LR: XXXXXXXX PC: XXXXXXXX
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CPSR: XXXXXXXX
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Trap: XXXXXXXX Error: XXXXXXXX OldMask: XXXXXXXX
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Addr: XXXXXXXX
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*/
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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
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register_dump (int fd, union k_sigcontext *ctx)
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{
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char regs[21][8];
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struct iovec iov[97];
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size_t 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_MEM(str, len) \
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iov[nr].iov_base = str; \
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iov[nr].iov_len = len; \
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++nr
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/* Generate strings of register contents. */
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if (ctx->v20.magic == SIGCONTEXT_2_0_MAGIC)
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{
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hexvalue (ctx->v20.reg.ARM_r0, regs[0], 8);
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hexvalue (ctx->v20.reg.ARM_r1, regs[1], 8);
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hexvalue (ctx->v20.reg.ARM_r2, regs[2], 8);
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hexvalue (ctx->v20.reg.ARM_r3, regs[3], 8);
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hexvalue (ctx->v20.reg.ARM_r4, regs[4], 8);
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hexvalue (ctx->v20.reg.ARM_r5, regs[5], 8);
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hexvalue (ctx->v20.reg.ARM_r6, regs[6], 8);
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hexvalue (ctx->v20.reg.ARM_r7, regs[7], 8);
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hexvalue (ctx->v20.reg.ARM_r8, regs[8], 8);
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hexvalue (ctx->v20.reg.ARM_r9, regs[9], 8);
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hexvalue (ctx->v20.reg.ARM_r10, regs[10], 8);
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hexvalue (ctx->v20.reg.ARM_fp, regs[11], 8);
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hexvalue (ctx->v20.reg.ARM_ip, regs[12], 8);
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hexvalue (ctx->v20.reg.ARM_sp, regs[13], 8);
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hexvalue (ctx->v20.reg.ARM_lr, regs[14], 8);
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hexvalue (ctx->v20.reg.ARM_pc, regs[15], 8);
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hexvalue (ctx->v20.reg.ARM_cpsr, regs[16], 8);
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hexvalue (ctx->v20.trap_no, regs[17], 8);
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hexvalue (ctx->v20.error_code, regs[18], 8);
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hexvalue (ctx->v20.oldmask, regs[19], 8);
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}
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else
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{
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hexvalue (ctx->v21.arm_r0, regs[0], 8);
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hexvalue (ctx->v21.arm_r1, regs[1], 8);
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hexvalue (ctx->v21.arm_r2, regs[2], 8);
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hexvalue (ctx->v21.arm_r3, regs[3], 8);
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hexvalue (ctx->v21.arm_r4, regs[4], 8);
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hexvalue (ctx->v21.arm_r5, regs[5], 8);
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hexvalue (ctx->v21.arm_r6, regs[6], 8);
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hexvalue (ctx->v21.arm_r7, regs[7], 8);
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hexvalue (ctx->v21.arm_r8, regs[8], 8);
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hexvalue (ctx->v21.arm_r9, regs[9], 8);
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hexvalue (ctx->v21.arm_r10, regs[10], 8);
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hexvalue (ctx->v21.arm_fp, regs[11], 8);
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hexvalue (ctx->v21.arm_ip, regs[12], 8);
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hexvalue (ctx->v21.arm_sp, regs[13], 8);
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hexvalue (ctx->v21.arm_lr, regs[14], 8);
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hexvalue (ctx->v21.arm_pc, regs[15], 8);
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hexvalue (ctx->v21.arm_cpsr, regs[16], 8);
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hexvalue (ctx->v21.trap_no, regs[17], 8);
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hexvalue (ctx->v21.error_code, regs[18], 8);
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hexvalue (ctx->v21.oldmask, regs[19], 8);
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hexvalue (ctx->v21.fault_address, regs[20], 8);
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}
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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 (" SL: ");
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ADD_MEM (regs[10], 8);
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ADD_STRING (" FP: ");
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ADD_MEM (regs[11], 8);
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ADD_STRING ("\n IP: ");
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ADD_MEM (regs[12], 8);
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ADD_STRING (" SP: ");
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ADD_MEM (regs[13], 8);
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ADD_STRING (" LR: ");
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ADD_MEM (regs[14], 8);
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ADD_STRING (" PC: ");
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ADD_MEM (regs[15], 8);
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ADD_STRING ("\n\n CPSR: ");
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ADD_MEM (regs[16], 8);
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ADD_STRING ("\n\n Trap: ");
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ADD_MEM (regs[17], 8);
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ADD_STRING (" Error: ");
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ADD_MEM (regs[18], 8);
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ADD_STRING (" OldMask: ");
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ADD_MEM (regs[19], 8);
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if (ctx->v20.magic != SIGCONTEXT_2_0_MAGIC)
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{
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ADD_STRING ("\n Addr: ");
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ADD_MEM (regs[20], 8);
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}
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ADD_STRING ("\n");
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/* Write the stuff out. */
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writev (fd, iov, nr);
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}
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#define REGISTER_DUMP register_dump (fd, &ctx)
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