glibc/sysdeps/generic/segfault.c

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/* Catch segmentation faults and print backtrace.
Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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. */
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
#include <ctype.h>
#include <errno.h>
#include <execinfo.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
#include <string.h>
#include <unistd.h>
#include <stdio-common/_itoa.h>
Update. 2000-07-29 Greg McGary <greg@mcgary.org> * Rules (test-bp-inputs, make-test-out): New variables. ($(objpfx)%-bp.out): New rule. ($(objpfx)%.out): Rewrite in terms of new variables. * libio/iovswscanf.c (vswscanf): Pass _IO_FILE_plus pointer to internal function that uses vtable. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/vswprintf.c (_IO_vswprintf): Likewise. * malloc/malloc.c (mem2chunk): Define in terms of chunk_at_offset. (malloc_extend_top): Convert brk to chunk using chunk_at_offset. (chunk_align): Likewise. * time/asctime.c (ab_day_name, ab_month_name): Rewrite expression in a way that conforms to decl, and avoids spurious bounds violation. * sysdeps/arm/frame.h (struct layout): Make pointers __unbounded. * sysdeps/generic/frame.h: Likewise. * sysdeps/generic/backtrace.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/generic/segfault.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (catch_segfault): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/backtrace.c (struct layout): Make pointers __unbounded. (ADVANCE_STACK_FRAME): Wrap bounds around return value. * sysdeps/powerpc/backtrace.c (struct layout): Make pointers __unbounded. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/addmul_1.S: s2_limb is scalar so remove bounds check. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/mul_1.S: Add bounds checks. * sysdeps/i386/i586/submul_1.S: Likewise.
2000-07-29 16:11:47 +08:00
#include <bp-checks.h>
/* Get the definition of "struct layout". */
#include <frame.h>
/* This file defines macros to access the content of the sigcontext element
passed up by the signal handler. */
#include <sigcontextinfo.h>
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
/* Get code to possibly dump the content of all registers. */
#include <register-dump.h>
/* This is a global variable set at program start time. It marks the
highest used stack address. */
extern void *__libc_stack_end;
/* This implementation assumes a stack layout that matches the defaults
used by gcc's `__builtin_frame_address' and `__builtin_return_address'
(FP is the frame pointer register):
+-----------------+ +-----------------+
FP -> | previous FP --------> | previous FP ------>...
| | | |
| return address | | return address |
+-----------------+ +-----------------+
*/
/* Get some notion of the current stack. Need not be exactly the top
of the stack, just something somewhere in the current frame. */
#ifndef CURRENT_STACK_FRAME
# define CURRENT_STACK_FRAME ({ char __csf; &__csf; })
#endif
/* By default we assume that the stack grows downward. */
#ifndef INNER_THAN
# define INNER_THAN <
#endif
/* By default assume the `next' pointer in struct layout points to the
next struct layout. */
#ifndef ADVANCE_STACK_FRAME
Update. 2000-07-29 Greg McGary <greg@mcgary.org> * Rules (test-bp-inputs, make-test-out): New variables. ($(objpfx)%-bp.out): New rule. ($(objpfx)%.out): Rewrite in terms of new variables. * libio/iovswscanf.c (vswscanf): Pass _IO_FILE_plus pointer to internal function that uses vtable. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/vswprintf.c (_IO_vswprintf): Likewise. * malloc/malloc.c (mem2chunk): Define in terms of chunk_at_offset. (malloc_extend_top): Convert brk to chunk using chunk_at_offset. (chunk_align): Likewise. * time/asctime.c (ab_day_name, ab_month_name): Rewrite expression in a way that conforms to decl, and avoids spurious bounds violation. * sysdeps/arm/frame.h (struct layout): Make pointers __unbounded. * sysdeps/generic/frame.h: Likewise. * sysdeps/generic/backtrace.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/generic/segfault.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (catch_segfault): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/backtrace.c (struct layout): Make pointers __unbounded. (ADVANCE_STACK_FRAME): Wrap bounds around return value. * sysdeps/powerpc/backtrace.c (struct layout): Make pointers __unbounded. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/addmul_1.S: s2_limb is scalar so remove bounds check. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/mul_1.S: Add bounds checks. * sysdeps/i386/i586/submul_1.S: Likewise.
2000-07-29 16:11:47 +08:00
# define ADVANCE_STACK_FRAME(next) BOUNDED_1 ((struct layout *) (next))
#endif
/* We'll use tis a lot. */
#define WRITE_STRING(s) write (fd, s, strlen (s))
/* Name of the output file. */
static const char *fname;
/* We better should not use `strerror' since it can call far too many
other functions which might fail. Do it here ourselves. */
static void
write_strsignal (int fd, int signal)
{
if (signal < 0 || signal >= _NSIG || _sys_siglist[signal] == NULL)
{
char buf[30];
char *ptr = _itoa_word (signal, &buf[sizeof (buf)], 10, 0);
WRITE_STRING ("signal ");
write (fd, buf, &buf[sizeof (buf)] - ptr);
}
else
WRITE_STRING (_sys_siglist[signal]);
}
/* This function is called when a segmentation fault is caught. The system
is in an instable state now. This means especially that malloc() might
not work anymore. */
static void
catch_segfault (int signal, SIGCONTEXT ctx)
{
struct layout *current;
Update. 2000-07-29 Greg McGary <greg@mcgary.org> * Rules (test-bp-inputs, make-test-out): New variables. ($(objpfx)%-bp.out): New rule. ($(objpfx)%.out): Rewrite in terms of new variables. * libio/iovswscanf.c (vswscanf): Pass _IO_FILE_plus pointer to internal function that uses vtable. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/vswprintf.c (_IO_vswprintf): Likewise. * malloc/malloc.c (mem2chunk): Define in terms of chunk_at_offset. (malloc_extend_top): Convert brk to chunk using chunk_at_offset. (chunk_align): Likewise. * time/asctime.c (ab_day_name, ab_month_name): Rewrite expression in a way that conforms to decl, and avoids spurious bounds violation. * sysdeps/arm/frame.h (struct layout): Make pointers __unbounded. * sysdeps/generic/frame.h: Likewise. * sysdeps/generic/backtrace.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/generic/segfault.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (catch_segfault): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/backtrace.c (struct layout): Make pointers __unbounded. (ADVANCE_STACK_FRAME): Wrap bounds around return value. * sysdeps/powerpc/backtrace.c (struct layout): Make pointers __unbounded. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/addmul_1.S: s2_limb is scalar so remove bounds check. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/mul_1.S: Add bounds checks. * sysdeps/i386/i586/submul_1.S: Likewise.
2000-07-29 16:11:47 +08:00
void *__unbounded top_frame;
void *__unbounded top_stack;
int fd;
void **arr;
size_t cnt;
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
struct sigaction sa;
/* This is the name of the file we are writing to. If none is given
or we cannot write to this file write to stderr. */
fd = 2;
if (fname != NULL)
{
fd = open (fname, O_TRUNC | O_WRONLY | O_CREAT, 0666);
if (fd == -1)
fd = 2;
}
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
WRITE_STRING ("*** ");
write_strsignal (fd, signal);
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
WRITE_STRING ("\n");
#ifdef REGISTER_DUMP
REGISTER_DUMP;
#endif
WRITE_STRING ("\nBacktrace:\n");
top_frame = GET_FRAME (ctx);
top_stack = GET_STACK (ctx);
/* First count how many entries we'll have. */
cnt = 1;
Update. 2000-07-29 Greg McGary <greg@mcgary.org> * Rules (test-bp-inputs, make-test-out): New variables. ($(objpfx)%-bp.out): New rule. ($(objpfx)%.out): Rewrite in terms of new variables. * libio/iovswscanf.c (vswscanf): Pass _IO_FILE_plus pointer to internal function that uses vtable. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/vswprintf.c (_IO_vswprintf): Likewise. * malloc/malloc.c (mem2chunk): Define in terms of chunk_at_offset. (malloc_extend_top): Convert brk to chunk using chunk_at_offset. (chunk_align): Likewise. * time/asctime.c (ab_day_name, ab_month_name): Rewrite expression in a way that conforms to decl, and avoids spurious bounds violation. * sysdeps/arm/frame.h (struct layout): Make pointers __unbounded. * sysdeps/generic/frame.h: Likewise. * sysdeps/generic/backtrace.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/generic/segfault.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (catch_segfault): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/backtrace.c (struct layout): Make pointers __unbounded. (ADVANCE_STACK_FRAME): Wrap bounds around return value. * sysdeps/powerpc/backtrace.c (struct layout): Make pointers __unbounded. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/addmul_1.S: s2_limb is scalar so remove bounds check. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/mul_1.S: Add bounds checks. * sysdeps/i386/i586/submul_1.S: Likewise.
2000-07-29 16:11:47 +08:00
current = BOUNDED_1 ((struct layout *) top_frame);
while (!((void *) current INNER_THAN top_stack
|| !((void *) current INNER_THAN __libc_stack_end)))
{
++cnt;
current = ADVANCE_STACK_FRAME (current->next);
}
arr = alloca (cnt * sizeof (void *));
/* First handle the program counter from the structure. */
Update. 1998-07-20 17:09 Ulrich Drepper <drepper@cygnus.com> * shlib-versions: Remove definition for libSegFault. * memory.texi: Comment out the relocating allocator description. * manual/signal.texi: Remove reference to relocating allocator. * manual/top-menu.texi: Regenerated. * posix/fnmatch.c: Implement [: :] and change to recognize ^ as negation only when not _POSIXLY_CORRECT. * sysdeps/generic/glob.c: Add several optimizations. * posix/glob.h: Undefine __PMT to prevent warnings. Reported by Roland McGrath. * posix/regex.c: Define namespace macros only for _LIBC. * sysdeps/arm/dl-machine.h: Fix typo. * sysdeps/unix/sysv/sysv4/solaris2/sigpending.c: New file. * sysdeps/unix/sysv/sysv4/solaris2/sigstack.c: New file. * sysdeps/unix/sysv/sysv4/solaris2/sigwaitinfo.c: New file. * sysdeps/unix/sysv/sysv4/solaris2/syscalls.list: Add sigaltstack, sigpending, sigqueue, and sigtimedwait. * sysdeps/unix/sysv/sysv4/solaris2/sparc/sparc32/syscall.S: New file. * timezone/leapseconds: Update from tzdata1998f. 1998-07-18 Mark Kettenis <kettenis@phys.uva.nl> * stdio/stdio.h [__USE_GNU]: Add prototype for fputs_unlocked. * stdio/Versions [GLIBC_2.1]: Add fputs_unlocked. * libio/stdio.h: Fix typo. 1998-07-19 Roland McGrath <roland@baalperazim.frob.com> * sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): #if 0 out the magic memobj port arg parsing stuff. Fix it someday when we are ready to really use it. (_dl_sysdep_output): New function, modified from _dl_sysdep_error. (_dl_sysdep_error, _dl_sysdep_message, _dl_sysdep_fatal): Removed. 1998-07-19 Roland McGrath <roland@baalperazim.frob.com> * stdio/fputs.c: Add fputs_unlocked as weak alias for fputs. 1998-07-19 Roland McGrath <roland@baalperazim.frob.com> * sysdeps/posix/sigsuspend.c: Define __sigsuspend with sigsuspend as a weak alias. * sysdeps/mach/hurd/sigsuspend.c: Likewise. * sysdeps/generic/sigsuspend.c: Likewise. 1998-07-19 Roland McGrath <roland@baalperazim.frob.com> * sysdeps/mach/hurd/i386/sigcontextinfo.h: New file. 1998-07-19 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makerules (map-file): Don't use $(wildcard) to find the generated version script, instead look in $(version-maps). ($(common-objpfx)libc.so): Only depend on libc.map if versioning is used. * extra-lib.mk ($(objpfx)$(lib).so): Only depend on version script if versioning is used. Don't use $(wildcard) to find the generated version script, instead look in $(verson-maps). 1998-07-17 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/generic/segfault.c: Rename GET_EIP to GET_PC. Remove unused function handle. * sysdeps/generic/sigcontextinfo.h: Rename GET_EIP to GET_PC. * sysdeps/unix/sysv/linux/i386/sigcontextinfo.h: Likewise. * debug/catchsegv.sh: Fix argument processing, quoting and various typos. Put the crash info always in the current directory. Find program in $PATH if it contains no directory component. * Makerules (install-lib.so-versioned, install-lib.so-unversioned): New variables. (install-lib-nosubdir): Depend on unversioned libs in slibdir, not libdir. 1998-07-19 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Make-dist (+tsrcs): Remove references to %-map variables and *.map files. Add Versions in subdirs. * Makerules (distinfo-vars): Don't write out %-map variables. 1998-07-20 13:55 Ulrich Drepper <drepper@cygnus.com> * inet/protocols/rwhod.h: Remove definition of _PATH_RWHODIR. Include <paths.h> instead. * sysdeps/generic/paths.h: Define _PATH_RWHODIR. * sysdeps/unix/sysv/linux/paths.h: Likewise. Reported by Dale Scheetz <dwarf@polaris.net>. 1998-07-17 21:44 Ulrich Drepper <drepper@cygnus.com> * catgets/open_catalog.c: Strictly check whether catalog file is larger enough for the data. Reported by Andries.Brouwer@cwi.nl.
1998-07-21 01:25:48 +08:00
arr[0] = GET_PC (ctx);
Update. 2000-07-29 Greg McGary <greg@mcgary.org> * Rules (test-bp-inputs, make-test-out): New variables. ($(objpfx)%-bp.out): New rule. ($(objpfx)%.out): Rewrite in terms of new variables. * libio/iovswscanf.c (vswscanf): Pass _IO_FILE_plus pointer to internal function that uses vtable. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/vswprintf.c (_IO_vswprintf): Likewise. * malloc/malloc.c (mem2chunk): Define in terms of chunk_at_offset. (malloc_extend_top): Convert brk to chunk using chunk_at_offset. (chunk_align): Likewise. * time/asctime.c (ab_day_name, ab_month_name): Rewrite expression in a way that conforms to decl, and avoids spurious bounds violation. * sysdeps/arm/frame.h (struct layout): Make pointers __unbounded. * sysdeps/generic/frame.h: Likewise. * sysdeps/generic/backtrace.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/generic/segfault.c (ADVANCE_STACK_FRAME): Wrap bounds around return value. (catch_segfault): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/backtrace.c (struct layout): Make pointers __unbounded. (ADVANCE_STACK_FRAME): Wrap bounds around return value. * sysdeps/powerpc/backtrace.c (struct layout): Make pointers __unbounded. (__backtrace): Qualify frame-pointer chain and return address pointers as __unbounded. Wrap bounds around variable `current'. * sysdeps/i386/addmul_1.S: s2_limb is scalar so remove bounds check. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/mul_1.S: Add bounds checks. * sysdeps/i386/i586/submul_1.S: Likewise.
2000-07-29 16:11:47 +08:00
current = BOUNDED_1 ((struct layout *) top_frame);
cnt = 1;
while (!((void *) current INNER_THAN top_stack
|| !((void *) current INNER_THAN __libc_stack_end)))
{
arr[cnt++] = current->return_address;
current = ADVANCE_STACK_FRAME (current->next);
}
/* If the last return address was NULL, assume that it doesn't count. */
if (arr[cnt-1] == NULL)
cnt--;
/* Now generate nicely formatted output. */
__backtrace_symbols_fd (arr, cnt, fd);
#ifdef HAVE_PROC_SELF
/* Now the link map. */
int mapfd = open ("/proc/self/maps", O_RDONLY);
if (mapfd != -1)
{
write (fd, "\nMemory map:\n\n", 14);
char buf[256];
ssize_t n;
while ((n = TEMP_FAILURE_RETRY (read (mapfd, buf, sizeof (buf)))) > 0)
TEMP_FAILURE_RETRY (write (fd, buf, n));
close (mapfd);
}
#endif
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
/* Pass on the signal (so that a core file is produced). */
sa.sa_handler = SIG_DFL;
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
sigaction (signal, &sa, NULL);
raise (signal);
}
static void
__attribute__ ((constructor))
install_handler (void)
{
struct sigaction sa;
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
const char *sigs = getenv ("SEGFAULT_SIGNALS");
const char *name;
sa.sa_handler = (void *) catch_segfault;
sigemptyset (&sa.sa_mask);
sa.sa_flags = SA_RESTART;
/* Maybe we are expected to use an alternative stack. */
if (getenv ("SEGFAULT_USE_ALTSTACK") != 0)
{
void *stack_mem = malloc (2 * SIGSTKSZ);
struct sigaltstack ss;
if (stack_mem != NULL)
{
ss.ss_sp = stack_mem;
ss.ss_flags = 0;
ss.ss_size = 2 * SIGSTKSZ;
if (sigaltstack (&ss, NULL) == 0)
sa.sa_flags |= SA_ONSTACK;
}
}
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
if (sigs == NULL)
sigaction (SIGSEGV, &sa, NULL);
else if (sigs[0] == '\0')
/* Do not do anything. */
return;
else
{
const char *where;
int all = __strcasecmp (sigs, "all") == 0;
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
#define INSTALL_FOR_SIG(sig, name) \
where = __strcasestr (sigs, name); \
if (all || (where != NULL \
&& (where == sigs || !isalnum (where[-1])) \
&& !isalnum (where[sizeof (name) - 1]))) \
sigaction (sig, &sa, NULL);
INSTALL_FOR_SIG (SIGSEGV, "segv");
INSTALL_FOR_SIG (SIGILL, "ill");
#ifdef SIGBUS
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
INSTALL_FOR_SIG (SIGBUS, "bus");
#endif
#ifdef SIGSTKFLT
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
INSTALL_FOR_SIG (SIGSTKFLT, "stkflt");
#endif
Update. 1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
1998-08-25 00:46:16 +08:00
INSTALL_FOR_SIG (SIGABRT, "abrt");
INSTALL_FOR_SIG (SIGFPE, "fpe");
}
/* Preserve the output file name if there is any given. */
name = getenv ("SEGFAULT_OUTPUT_NAME");
if (name != NULL && name[0] != '\0')
{
int ret = access (name, R_OK | W_OK);
if (ret == 0 || (ret == -1 && errno == ENOENT))
fname = __strdup (name);
}
}