diff options
author | Dave Airlie <airlied@redhat.com> | 2009-03-20 10:52:17 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2009-03-20 10:52:17 +1000 |
commit | 407e8ae5b167b0193e1e5b1266a5d61ed836dfb5 (patch) | |
tree | 2d9d05a5c3122f41a13aa8bd9ae921c1176e6b0d /src/gallium/auxiliary/util/u_debug_stack.c | |
parent | bdaa0341caffc353fd26bbd91865c2d86eed11c1 (diff) | |
parent | 114bb54324f22cb53bcd14607234d0acd74d37bd (diff) |
Merge remote branch 'main/master' into radeon-rewrite
Conflicts:
src/mesa/drivers/dri/r300/r300_cmdbuf.c
src/mesa/drivers/dri/r300/r300_state.c
src/mesa/drivers/dri/r300/r300_swtcl.c
src/mesa/drivers/dri/r300/radeon_ioctl.c
src/mesa/drivers/dri/radeon/radeon_screen.c
Diffstat (limited to 'src/gallium/auxiliary/util/u_debug_stack.c')
-rw-r--r-- | src/gallium/auxiliary/util/u_debug_stack.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_debug_stack.c b/src/gallium/auxiliary/util/u_debug_stack.c new file mode 100644 index 0000000000..76068a6509 --- /dev/null +++ b/src/gallium/auxiliary/util/u_debug_stack.c @@ -0,0 +1,97 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * @file + * Stack backtracing. + * + * @author Jose Fonseca <jfonseca@vmware.com> + */ + +#include "u_debug.h" +#include "u_debug_stack.h" + + +void +debug_backtrace_capture(struct debug_stack_frame *backtrace, + unsigned start_frame, + unsigned nr_frames) +{ + const void **frame_pointer = NULL; + unsigned i = 0; + + if(!nr_frames) + return; + +#if defined(PIPE_CC_GCC) + frame_pointer = ((const void **)__builtin_frame_address(1)); +#elif defined(PIPE_CC_MSVC) + __asm { + mov frame_pointer, ebp + } + frame_pointer = (const void **)frame_pointer[0]; +#else + frame_pointer = NULL; +#endif + + +#ifdef PIPE_ARCH_X86 + while(nr_frames) { + if(!frame_pointer) + break; + + if(start_frame) + --start_frame; + else { + backtrace[i++].function = frame_pointer[1]; + --nr_frames; + } + + frame_pointer = (const void **)frame_pointer[0]; + } +#endif + + while(nr_frames) { + backtrace[i++].function = NULL; + --nr_frames; + } +} + + +void +debug_backtrace_dump(const struct debug_stack_frame *backtrace, + unsigned nr_frames) +{ + unsigned i; + + for(i = 0; i < nr_frames; ++i) { + if(!backtrace[i].function) + break; + debug_printf("\t%p\n", backtrace[i].function); + } +} + |