diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | sysdeps/mips/stackinfo.h | 28 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/register-dump.h | 110 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/sigcontextinfo.h | 25 |
4 files changed, 171 insertions, 0 deletions
@@ -1,3 +1,11 @@ +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. + 2000-02-01 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/mips/syscalls.list: Remove duplicates. diff --git a/sysdeps/mips/stackinfo.h b/sysdeps/mips/stackinfo.h new file mode 100644 index 0000000000..612d251807 --- /dev/null +++ b/sysdeps/mips/stackinfo.h @@ -0,0 +1,28 @@ +/* Copyright (C) 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* This file contains a bit of information about the stack allocation + of the processor. */ + +#ifndef _STACKINFO_H +#define _STACKINFO_H 1 + +/* On MIPS the stack grows down. */ +#define _STACK_GROWS_DOWN 1 + +#endif /* stackinfo.h */ diff --git a/sysdeps/unix/sysv/linux/mips/register-dump.h b/sysdeps/unix/sysv/linux/mips/register-dump.h new file mode 100644 index 0000000000..c48980dbb5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/register-dump.h @@ -0,0 +1,110 @@ +/* Dump registers. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@suse.de>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sys/uio.h> +#include <stdio-common/_itoa.h> + +/* We will print the register dump in this format: + + R0 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R8 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R16 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + R24 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + pc cause status badvaddr lo hi + XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX + The FPU registers will not be printed. +*/ + +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[32][8]; + char fpregs[32][8]; + struct iovec iov[97]; XXX + size_t nr = 0; + int i; + +#define ADD_STRING(str) \ + iov[nr].iov_base = (char *) str; \ + iov[nr].iov_len = strlen (str); \ + ++nr +#define ADD_MEM(str, len) \ + iov[nr].iov_base = str; \ + iov[nr].iov_len = len; \ + ++nr + + /* Generate strings of register contents. */ + for (i = 0; i < 31; i++) + hexvalue (ctx->sc_regs, regs[i], 8); + hexvalue (ctx->sc_pc, regs[32], 8); + hexvalue (ctx->sc_cause, regs[33], 8); + hexvalue (ctx->sc_status, regs[34], 8); + hexvalue (ctx->badvaddr, regs[35], 8); + hexvalue (ctx->sc_mdhi, regs[36], 8); + hexvalue (ctx->sc_mdlo, regs[37], 8); + + /* Generate the output. */ + ADD_STRING ("Register dump:\n\n R0 "); + for (i = 0; i < 8; i++) + { + ADD_MEM (regs[i], 8); + ADD_STRING (" ", 1); + } + ADD_STRING ("\n R8 "); + for (i = 8; i < 16; i++) + { + ADD_MEM (regs[i], 8); + ADD_STRING (" ", 1); + } + ADD_STRING ("\n R16 "); + for (i = 16; i < 24; i++) + { + ADD_MEM (regs[i], 8); + ADD_STRING (" ", 1); + } + ADD_STRING ("\n R24 "); + for (i = 24; i < 32; i++) + { + ADD_MEM (regs[i], 8); + ADD_STRING (" ", 1); + } + ADD_STRING ("\n pc cause status badvaddr lo hi\n "); + ADD_MEM (regs[], 8); + for (i = 32; i < 38; i++) + { + ADD_MEM (regs[i], 8); + ADD_STRING (" ", 1); + } + ADD_STRING ("\n", 1); + + /* Write the stuff out. */ + writev (fd, iov, nr); +} + + +#define REGISTER_DUMP register_dump (fd, &ctx) diff --git a/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h b/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h new file mode 100644 index 0000000000..2d9f280b12 --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h @@ -0,0 +1,25 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@suse.de>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + + +#define SIGCONTEXT struct sigcontext +#define SIGCONTEXT_EXTRA_ARGS +#define GET_PC(ctx) ((void *) ctx.pc) +#define GET_FRAME(ctx) ((void *) ctx.sc_regs[30]) +#define GET_STACK(ctx) ((void *) ctx.sc_regs[29]) |