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-rw-r--r--src/gallium/auxiliary/util/SConscript1
-rw-r--r--src/gallium/auxiliary/util/u_debug_memory.c7
-rw-r--r--src/gallium/auxiliary/util/u_debug_stack.c97
-rw-r--r--src/gallium/auxiliary/util/u_debug_stack.h65
4 files changed, 170 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/SConscript b/src/gallium/auxiliary/util/SConscript
index 84e4c48476..5d336ea082 100644
--- a/src/gallium/auxiliary/util/SConscript
+++ b/src/gallium/auxiliary/util/SConscript
@@ -8,6 +8,7 @@ util = env.ConvenienceLibrary(
'u_debug.c',
'u_debug_memory.c',
'u_debug_profile.c',
+ 'u_debug_stack.c',
'u_draw_quad.c',
'u_gen_mipmap.c',
'u_handle_table.c',
diff --git a/src/gallium/auxiliary/util/u_debug_memory.c b/src/gallium/auxiliary/util/u_debug_memory.c
index f6c136f6e5..758541c282 100644
--- a/src/gallium/auxiliary/util/u_debug_memory.c
+++ b/src/gallium/auxiliary/util/u_debug_memory.c
@@ -45,10 +45,12 @@
#endif
#include "util/u_debug.h"
+#include "util/u_debug_stack.h"
#include "util/u_double_list.h"
#define DEBUG_MEMORY_MAGIC 0x6e34090aU
+#define DEBUG_MEMORY_STACK 0 /* XXX: disabled until we have symbol lookup */
#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) && !defined(WINCE)
@@ -71,7 +73,9 @@ struct debug_memory_header
const char *file;
unsigned line;
const char *function;
+ struct debug_stack_frame backtrace[DEBUG_MEMORY_STACK];
size_t size;
+
unsigned magic;
};
@@ -136,6 +140,8 @@ debug_malloc(const char *file, unsigned line, const char *function,
hdr->size = size;
hdr->magic = DEBUG_MEMORY_MAGIC;
+ debug_backtrace_capture(hdr->backtrace, 0, DEBUG_MEMORY_STACK);
+
ftr = footer_from_header(hdr);
ftr->magic = DEBUG_MEMORY_MAGIC;
@@ -290,6 +296,7 @@ debug_memory_end(unsigned long start_no)
debug_printf("%s:%u:%s: %u bytes at %p not freed\n",
hdr->file, hdr->line, hdr->function,
hdr->size, ptr);
+ debug_backtrace_dump(hdr->backtrace, DEBUG_MEMORY_STACK);
total_size += hdr->size;
}
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);
+ }
+}
+
diff --git a/src/gallium/auxiliary/util/u_debug_stack.h b/src/gallium/auxiliary/util/u_debug_stack.h
new file mode 100644
index 0000000000..f50f04e0f7
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_debug_stack.h
@@ -0,0 +1,65 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef U_DEBUG_STACK_H_
+#define U_DEBUG_STACK_H_
+
+
+/**
+ * @file
+ * Stack backtracing.
+ *
+ * @author Jose Fonseca <jfonseca@vmware.com>
+ */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+struct debug_stack_frame
+{
+ const void *function;
+};
+
+
+void
+debug_backtrace_capture(struct debug_stack_frame *backtrace,
+ unsigned start_frame,
+ unsigned nr_frames);
+
+void
+debug_backtrace_dump(const struct debug_stack_frame *backtrace,
+ unsigned nr_frames);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* U_DEBUG_STACK_H_ */