mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-16 10:00:12 +00:00
669ed63814
2002-08-28 Ulrich Drepper <drepper@redhat.com> * sysdeps/s390/s390-64/dl-machine.h: Avoid unescaped newlines in string constants. * sysdeps/sparc/sparc32/dl-machine.h: Likewise. * sysdeps/arm/dl-machine.h: Likewise. * sysdeps/cris/dl-machine.h: Likewise. * sysdeps/unix/sysv/linux/m68k/register-dump.h: Likewise. * sysdeps/unix/sysv/aix/gettimeofday.c: Likewise.
215 lines
6.7 KiB
C
215 lines
6.7 KiB
C
/* Dump registers.
|
|
Copyright (C) 1998, 2002 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Andreas Schwab <schwab@gnu.org>.
|
|
|
|
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:
|
|
|
|
D0: XXXXXXXX D1: XXXXXXXX D2: XXXXXXXX D3: XXXXXXXX
|
|
D4: XXXXXXXX D5: XXXXXXXX D6: XXXXXXXX D7: XXXXXXXX
|
|
A0: XXXXXXXX A1: XXXXXXXX A2: XXXXXXXX A3: XXXXXXXX
|
|
A4: XXXXXXXX A5: XXXXXXXX A6: XXXXXXXX A7: XXXXXXXX
|
|
PC: XXXXXXXX SR: XXXX
|
|
|
|
OldMask: XXXXXXXX Vector: XXXX
|
|
|
|
FP0: XXXXXXXXXXXXXXXXXXXXXXXX FP1: XXXXXXXXXXXXXXXXXXXXXXXX
|
|
FP2: XXXXXXXXXXXXXXXXXXXXXXXX FP3: XXXXXXXXXXXXXXXXXXXXXXXX
|
|
FP4: XXXXXXXXXXXXXXXXXXXXXXXX FP5: XXXXXXXXXXXXXXXXXXXXXXXX
|
|
FP6: XXXXXXXXXXXXXXXXXXXXXXXX FP7: XXXXXXXXXXXXXXXXXXXXXXXX
|
|
FPCR: XXXXXXXX FPSR: XXXXXXXX FPIAR: XXXXXXXX
|
|
|
|
*/
|
|
|
|
/* Linux saves only the call-clobbered registers in the sigcontext. We
|
|
need to use a trampoline that saves the rest so that the C code can
|
|
access them. We use the sc_fpstate field, since the handler is not
|
|
supposed to return anyway, thus it doesn't matter that it's clobbered. */
|
|
|
|
/* static */ void catch_segfault (int, int, struct sigcontext *);
|
|
|
|
/* Dummy function so that we can use asm with arguments. */
|
|
static void __attribute__ ((unused))
|
|
__dummy__ (void)
|
|
{
|
|
asm ("\n\
|
|
catch_segfault:\n\
|
|
move.l 12(%%sp),%%a0\n\
|
|
lea %c0(%%a0),%%a0\n\
|
|
/* Clear the first 4 bytes to make it a null fp state, just\n\
|
|
in case the handler does return. */\n\
|
|
clr.l (%%a0)+\n\
|
|
movem.l %%d2-%%d7/%%a2-%%a6,(%%a0)\n\
|
|
fmovem.x %%fp2-%%fp7,11*4(%%a0)\n\
|
|
jra real_catch_segfault"
|
|
: : "n" (offsetof (struct sigcontext, sc_fpstate)));
|
|
}
|
|
#define catch_segfault(a,b) \
|
|
__attribute__ ((unused)) real_catch_segfault(a,b)
|
|
|
|
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[20][8];
|
|
char fpregs[11][24];
|
|
struct iovec iov[63], *next_iov = iov;
|
|
unsigned long *p = (unsigned long *) ctx->sc_fpstate + 1;
|
|
|
|
#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 (ctx->sc_d0, regs[0], 8);
|
|
hexvalue (ctx->sc_d1, regs[1], 8);
|
|
hexvalue (*p++, regs[2], 8);
|
|
hexvalue (*p++, regs[3], 8);
|
|
hexvalue (*p++, regs[4], 8);
|
|
hexvalue (*p++, regs[5], 8);
|
|
hexvalue (*p++, regs[6], 8);
|
|
hexvalue (*p++, regs[7], 8);
|
|
hexvalue (ctx->sc_a0, regs[8], 8);
|
|
hexvalue (ctx->sc_a1, regs[9], 8);
|
|
hexvalue (*p++, regs[10], 8);
|
|
hexvalue (*p++, regs[11], 8);
|
|
hexvalue (*p++, regs[12], 8);
|
|
hexvalue (*p++, regs[13], 8);
|
|
hexvalue (*p++, regs[14], 8);
|
|
hexvalue (ctx->sc_usp, regs[15], 8);
|
|
hexvalue (ctx->sc_pc, regs[16], 8);
|
|
hexvalue (ctx->sc_sr, regs[17], 4);
|
|
hexvalue (ctx->sc_mask, regs[18], 8);
|
|
hexvalue (ctx->sc_formatvec & 0xfff, regs[19], 4);
|
|
hexvalue (ctx->sc_fpregs[0], fpregs[0], 8);
|
|
hexvalue (ctx->sc_fpregs[1], fpregs[0] + 8, 8);
|
|
hexvalue (ctx->sc_fpregs[2], fpregs[0] + 16, 8);
|
|
hexvalue (ctx->sc_fpregs[3], fpregs[1], 8);
|
|
hexvalue (ctx->sc_fpregs[4], fpregs[1] + 8, 8);
|
|
hexvalue (ctx->sc_fpregs[5], fpregs[1] + 16, 8);
|
|
hexvalue (*p++, fpregs[2], 8);
|
|
hexvalue (*p++, fpregs[2] + 8, 8);
|
|
hexvalue (*p++, fpregs[2] + 16, 8);
|
|
hexvalue (*p++, fpregs[3], 8);
|
|
hexvalue (*p++, fpregs[3] + 8, 8);
|
|
hexvalue (*p++, fpregs[3] + 16, 8);
|
|
hexvalue (*p++, fpregs[4], 8);
|
|
hexvalue (*p++, fpregs[4] + 8, 8);
|
|
hexvalue (*p++, fpregs[4] + 16, 8);
|
|
hexvalue (*p++, fpregs[5], 8);
|
|
hexvalue (*p++, fpregs[5] + 8, 8);
|
|
hexvalue (*p++, fpregs[5] + 16, 8);
|
|
hexvalue (*p++, fpregs[6], 8);
|
|
hexvalue (*p++, fpregs[6] + 8, 8);
|
|
hexvalue (*p++, fpregs[6] + 16, 8);
|
|
hexvalue (*p++, fpregs[7], 8);
|
|
hexvalue (*p++, fpregs[7] + 8, 8);
|
|
hexvalue (*p++, fpregs[7] + 16, 8);
|
|
hexvalue (ctx->sc_fpcntl[0], fpregs[8], 8);
|
|
hexvalue (ctx->sc_fpcntl[1], fpregs[9], 8);
|
|
hexvalue (ctx->sc_fpcntl[2], fpregs[10], 8);
|
|
|
|
/* Generate the output. */
|
|
ADD_STRING ("Register dump:\n\n D0: ");
|
|
ADD_MEM (regs[0], 8);
|
|
ADD_STRING (" D1: ");
|
|
ADD_MEM (regs[1], 8);
|
|
ADD_STRING (" D2: ");
|
|
ADD_MEM (regs[2], 8);
|
|
ADD_STRING (" D3: ");
|
|
ADD_MEM (regs[3], 8);
|
|
ADD_STRING ("\n D4: ");
|
|
ADD_MEM (regs[4], 8);
|
|
ADD_STRING (" D5: ");
|
|
ADD_MEM (regs[5], 8);
|
|
ADD_STRING (" D6: ");
|
|
ADD_MEM (regs[6], 8);
|
|
ADD_STRING (" D7: ");
|
|
ADD_MEM (regs[7], 8);
|
|
ADD_STRING ("\n A0: ");
|
|
ADD_MEM (regs[8], 8);
|
|
ADD_STRING (" A1: ");
|
|
ADD_MEM (regs[9], 8);
|
|
ADD_STRING (" A2: ");
|
|
ADD_MEM (regs[10], 8);
|
|
ADD_STRING (" A3: ");
|
|
ADD_MEM (regs[11], 8);
|
|
ADD_STRING ("\n A4: ");
|
|
ADD_MEM (regs[12], 8);
|
|
ADD_STRING (" A5: ");
|
|
ADD_MEM (regs[13], 8);
|
|
ADD_STRING (" A6: ");
|
|
ADD_MEM (regs[14], 8);
|
|
ADD_STRING (" A7: ");
|
|
ADD_MEM (regs[15], 8);
|
|
ADD_STRING ("\n PC: ");
|
|
ADD_MEM (regs[16], 8);
|
|
ADD_STRING (" SR: ");
|
|
ADD_MEM (regs[17], 4);
|
|
|
|
ADD_STRING ("\n\n OldMask: ");
|
|
ADD_MEM (regs[18], 8);
|
|
ADD_STRING (" Vector: ");
|
|
ADD_MEM (regs[19], 4);
|
|
|
|
ADD_STRING ("\n\n FP0: ");
|
|
ADD_MEM (fpregs[0], 24);
|
|
ADD_STRING (" FP1: ");
|
|
ADD_MEM (fpregs[1], 24);
|
|
ADD_STRING ("\n FP2: ");
|
|
ADD_MEM (fpregs[2], 24);
|
|
ADD_STRING (" FP3: ");
|
|
ADD_MEM (fpregs[3], 24);
|
|
ADD_STRING ("\n FP4: ");
|
|
ADD_MEM (fpregs[4], 24);
|
|
ADD_STRING (" FP5: ");
|
|
ADD_MEM (fpregs[5], 24);
|
|
ADD_STRING ("\n FP6: ");
|
|
ADD_MEM (fpregs[6], 24);
|
|
ADD_STRING (" FP7: ");
|
|
ADD_MEM (fpregs[7], 24);
|
|
ADD_STRING ("\n FPCR: ");
|
|
ADD_MEM (fpregs[8], 8);
|
|
ADD_STRING (" FPSR: ");
|
|
ADD_MEM (fpregs[9], 8);
|
|
ADD_STRING (" FPIAR: ");
|
|
ADD_MEM (fpregs[10], 8);
|
|
ADD_STRING ("\n");
|
|
|
|
/* Write the stuff out. */
|
|
writev (fd, iov, next_iov - iov);
|
|
}
|
|
|
|
#define REGISTER_DUMP register_dump (fd, ctx)
|