2000-02-03 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/mips/sigcontextinfo.h: New file. * sysdeps/unix/sysv/linux/mips/register-dump.h: New file. * sysdeps/mips/stackinfo.h: New file.
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Andreas Jaeger
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/* Copyright (C) 2000 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* This file contains a bit of information about the stack allocation
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of the processor. */
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#ifndef _STACKINFO_H
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#define _STACKINFO_H 1
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/* On MIPS the stack grows down. */
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#define _STACK_GROWS_DOWN 1
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#endif /* stackinfo.h */
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/* Dump registers.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Jaeger <aj@suse.de>, 2000.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
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R8 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
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R16 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
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R24 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
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pc cause status badvaddr lo hi
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XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
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The FPU registers will not be printed.
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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, struct sigcontext *ctx)
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{
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char regs[32][8];
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char fpregs[32][8];
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struct iovec iov[97]; XXX
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size_t nr = 0;
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int i;
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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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for (i = 0; i < 31; i++)
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hexvalue (ctx->sc_regs, regs[i], 8);
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hexvalue (ctx->sc_pc, regs[32], 8);
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hexvalue (ctx->sc_cause, regs[33], 8);
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hexvalue (ctx->sc_status, regs[34], 8);
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hexvalue (ctx->badvaddr, regs[35], 8);
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hexvalue (ctx->sc_mdhi, regs[36], 8);
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hexvalue (ctx->sc_mdlo, regs[37], 8);
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/* Generate the output. */
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ADD_STRING ("Register dump:\n\n R0 ");
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for (i = 0; i < 8; i++)
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{
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ADD_MEM (regs[i], 8);
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ADD_STRING (" ", 1);
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}
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ADD_STRING ("\n R8 ");
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for (i = 8; i < 16; i++)
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{
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ADD_MEM (regs[i], 8);
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ADD_STRING (" ", 1);
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}
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ADD_STRING ("\n R16 ");
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for (i = 16; i < 24; i++)
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{
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ADD_MEM (regs[i], 8);
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ADD_STRING (" ", 1);
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}
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ADD_STRING ("\n R24 ");
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for (i = 24; i < 32; i++)
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{
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ADD_MEM (regs[i], 8);
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ADD_STRING (" ", 1);
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}
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ADD_STRING ("\n pc cause status badvaddr lo hi\n ");
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ADD_MEM (regs[], 8);
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for (i = 32; i < 38; i++)
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{
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ADD_MEM (regs[i], 8);
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ADD_STRING (" ", 1);
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}
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ADD_STRING ("\n", 1);
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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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@ -0,0 +1,25 @@
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/* Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Jaeger <aj@suse.de>, 2000.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define SIGCONTEXT struct sigcontext
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#define SIGCONTEXT_EXTRA_ARGS
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#define GET_PC(ctx) ((void *) ctx.pc)
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#define GET_FRAME(ctx) ((void *) ctx.sc_regs[30])
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#define GET_STACK(ctx) ((void *) ctx.sc_regs[29])
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