This is the mail archive of the libc-hacker@sources.redhat.com mailing list for the glibc project.
Note that libc-hacker is a closed list. You may look at the archives of this list, but subscription and posting are not open.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
Other format: | [Raw text] |
2002-07-12 Philip Blundell <philb@gnu.org> * sysdeps/generic/backtrace.c (FIRST_FRAME_POINTER): New macro. (__backtrace): Use it. * sysdeps/arm/frame.h (FIRST_FRAME_POINTER): Define. [PR libc/2632] Index: sysdeps/arm/frame.h =================================================================== RCS file: /cvs/glibc/libc/sysdeps/arm/frame.h,v retrieving revision 1.3 diff -u -r1.3 frame.h --- sysdeps/arm/frame.h 6 Jul 2001 04:55:48 -0000 1.3 +++ sysdeps/arm/frame.h 12 Jul 2002 22:33:32 -0000 @@ -1,5 +1,5 @@ /* Definition of stack frame structure. ARM/APCS version. - Copyright (C) 2000 Free Software Foundation, Inc. + Copyright (C) 2000, 2002 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 @@ -24,3 +24,5 @@ void *__unbounded sp; void *__unbounded return_address; }; + +#define FIRST_FRAME_POINTER ADVANCE_STACK_FRAME (__builtin_frame_address (0)) Index: sysdeps/generic/backtrace.c =================================================================== RCS file: /cvs/glibc/libc/sysdeps/generic/backtrace.c,v retrieving revision 1.7 diff -u -r1.7 backtrace.c --- sysdeps/generic/backtrace.c 6 Jul 2001 04:55:48 -0000 1.7 +++ sysdeps/generic/backtrace.c 12 Jul 2002 22:33:32 -0000 @@ -1,5 +1,5 @@ /* Return backtrace of current program state. Generic version. - Copyright (C) 1998, 2000 Free Software Foundation, Inc. + Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -58,6 +58,11 @@ # define ADVANCE_STACK_FRAME(next) BOUNDED_1 ((struct layout *) (next)) #endif +/* By default, the frame pointer is just what we get from gcc. */ +#ifndef FIRST_FRAME_POINTER +# define FIRST_FRAME_POINTER __builtin_frame_address (0) +#endif + int __backtrace (array, size) void **array; @@ -68,7 +73,7 @@ void *__unbounded top_stack; int cnt = 0; - top_frame = __builtin_frame_address (0); + top_frame = FIRST_FRAME_POINTER; top_stack = CURRENT_STACK_FRAME; /* We skip the call to this function, it makes no sense to record it. */
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |