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2000-01-12 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_32BITUIDS): Added for Linux 2.3.39+. * sysdeps/unix/sysv/linux/getresgid.c: Support 32bit UIDs and 32bit GIDs. * sysdeps/unix/sysv/linux/getresuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/chown.c: Likewise. * sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise. * sysdeps/unix/sysv/linux/i386/setegid.c: Likewise. * sysdeps/unix/sysv/linux/i386/seteuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setfsgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setfsuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise. * sysdeps/unix/sysv/linux/i386/setregid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setresgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setuid.c: Likewise. * sysdeps/unix/sysv/linux/setegid.c: Likewise. * sysdeps/unix/sysv/linux/arm/chown.c: New file. * sysdeps/unix/sysv/linux/arm/fchown.c: New file. * sysdeps/unix/sysv/linux/arm/geteuid.c: New file. * sysdeps/unix/sysv/linux/arm/getegid.c: New file. * sysdeps/unix/sysv/linux/arm/getuid.c: New file. * sysdeps/unix/sysv/linux/arm/getgid.c: New file. * sysdeps/unix/sysv/linux/arm/lchown.c: New file. * sysdeps/unix/sysv/linux/i386/fchown.c: New file. * sysdeps/unix/sysv/linux/i386/getegid.c: New file. * sysdeps/unix/sysv/linux/i386/geteuid.c: New file. * sysdeps/unix/sysv/linux/i386/getgid.c: New file. * sysdeps/unix/sysv/linux/i386/getuid.c: New file. * sysdeps/unix/sysv/linux/i386/lchown.c: New file. * sysdeps/unix/sysv/linux/m68k/chown.c: New file. * sysdeps/unix/sysv/linux/m68k/fchown.c: New file. * sysdeps/unix/sysv/linux/m68k/getegid.c: New file. * sysdeps/unix/sysv/linux/m68k/geteuid.c: New file. * sysdeps/unix/sysv/linux/m68k/getgid.c: New file. * sysdeps/unix/sysv/linux/m68k/getuid.c: New file. * sysdeps/unix/sysv/linux/m68k/lchown.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/chown.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/fchown.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/getegid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/geteuid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/getgid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/getuid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/lchown.c: New file. Based on a patch by Chris Wing <wingc@engin.umich.edu>. 2000-01-14 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/sparc/sys/procfs.h: New file. 2000-01-13 Jakub Jelinek <jakub@redhat.com> * sysdeps/generic/backtrace.c: Include signal.h which sigcontextinfo.h headers are used to expect. * sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h (register_dump): Fix a typo in the printout. Avoid using reg_window, so that asm/ptrace.h is not necessary. * sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h (ADVANCE_STACK_FRAME): Likewise. * stdlib/longlong.h: Avoid using __sparc_v9__ ifdefs. * sysdeps/sparc/sparc32/bits/wordsize.h: Likewise. * sysdeps/sparc/sparc64/bits/wordsize.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Include bits/wordsize.h to make it clear this file depends on __WORDSIZE. * sysdeps/unix/sysv/linux/ftruncate64.c (__have_no_truncate64): Renamed from have_no_truncate64. * sysdeps/unix/sysv/linux/truncate64.c (__have_no_truncate64): Likewise.
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/* Return backtrace of current program state. Generic version.
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 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 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 <execinfo.h>
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#include <signal.h>
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#include <frame.h>
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#include <sigcontextinfo.h>
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/* This is a global variable set at program start time. It marks the
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highest used stack address. */
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extern void *__libc_stack_end;
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/* This implementation assumes a stack layout that matches the defaults
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used by gcc's `__builtin_frame_address' and `__builtin_return_address'
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(FP is the frame pointer register):
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+-----------------+ +-----------------+
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FP -> | previous FP --------> | previous FP ------>...
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| | | |
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| return address | | return address |
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+-----------------+ +-----------------+
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*/
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/* Get some notion of the current stack. Need not be exactly the top
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of the stack, just something somewhere in the current frame. */
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#ifndef CURRENT_STACK_FRAME
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# define CURRENT_STACK_FRAME ({ char __csf; &__csf; })
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#endif
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/* By default we assume that the stack grows downward. */
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#ifndef INNER_THAN
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# define INNER_THAN <
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#endif
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/* By default assume the `next' pointer in struct layout points to the
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next struct layout. */
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#ifndef ADVANCE_STACK_FRAME
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# define ADVANCE_STACK_FRAME(next) ((struct layout *) (next))
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#endif
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int
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__backtrace (array, size)
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void **array;
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int size;
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{
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struct layout *current;
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void *top_frame;
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void *top_stack;
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int cnt = 0;
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top_frame = __builtin_frame_address (0);
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top_stack = CURRENT_STACK_FRAME;
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/* We skip the call to this function, it makes no sense to record it. */
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current = (struct layout *) top_frame;
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while (cnt < size)
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{
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if ((void *) current INNER_THAN top_stack
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|| !((void *) current INNER_THAN __libc_stack_end))
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/* This means the address is out of range. Note that for the
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toplevel we see a frame pointer with value NULL which clearly is
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out of range. */
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break;
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array[cnt++] = current->return_address;
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current = ADVANCE_STACK_FRAME (current->next);
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}
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return cnt;
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}
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weak_alias (__backtrace, backtrace)
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