mesa git update 30 aug 2011

1 files changed, 191 insertions, 191 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_debug_refcnt.c b/mesalib/src/gallium/auxiliary/util/u_debug_refcnt.c
index 0a242e124..b3e389408 100644
--- a/mesalib/src/gallium/auxiliary/util/u_debug_refcnt.c
+++ b/mesalib/src/gallium/auxiliary/util/u_debug_refcnt.c
@@ -1,191 +1,191 @@
-/**************************************************************************

- *

- * Copyright 2010 Luca Barbieri

- *

- * 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, sublicense, 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 NONINFRINGEMENT.

- * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.

- *

- **************************************************************************/

-

-#if defined(DEBUG) && (!defined(PIPE_OS_WINDOWS) || defined(PIPE_SUBSYSTEM_WINDOWS_USER))

-

-/* see http://www.mozilla.org/performance/refcnt-balancer.html for what do with the output

- * on Linux, use tools/addr2line.sh to postprocess it before anything else

- **/

-#include <util/u_debug.h>

-#include <util/u_debug_refcnt.h>

-#include <util/u_debug_stack.h>

-#include <util/u_debug_symbol.h>

-#include <util/u_string.h>

-#include <util/u_hash_table.h>

-#include <os/os_thread.h>

-#include <os/os_stream.h>

-

-int debug_refcnt_state;

-

-struct os_stream* stream;

-

-/* TODO: maybe move this serial machinery to a stand-alone module and expose it? */

-pipe_static_mutex(serials_mutex);

-

-static struct util_hash_table* serials_hash;

-static unsigned serials_last;

-

-static unsigned hash_ptr(void* p)

-{

-   return (unsigned)(uintptr_t)p;

-}

-

-static int compare_ptr(void* a, void* b)

-{

-   if(a == b)

-      return 0;

-   else if(a < b)

-      return -1;

-   else

-      return 1;

-}

-

-static boolean debug_serial(void* p, unsigned* pserial)

-{

-   unsigned serial;

-   boolean found = TRUE;

-#ifdef PIPE_SUBSYSTEM_WINDOWS_USER

-   static boolean first = TRUE;

-

-   if (first) {

-      pipe_mutex_init(serials_mutex);

-      first = FALSE;

-   }

-#endif

-

-   pipe_mutex_lock(serials_mutex);

-   if(!serials_hash)

-      serials_hash = util_hash_table_create(hash_ptr, compare_ptr);

-   serial = (unsigned)(uintptr_t)util_hash_table_get(serials_hash, p);

-   if(!serial)

-   {

-      /* time to stop logging... (you'll have a 100 GB logfile at least at this point)

-       * TODO: avoid this

-       */

-      serial = ++serials_last;

-      if(!serial)

-      {

-         debug_error("More than 2^32 objects detected, aborting.\n");

-         os_abort();

-      }

-

-      util_hash_table_set(serials_hash, p, (void*)(uintptr_t)serial);

-      found = FALSE;

-   }

-   pipe_mutex_unlock(serials_mutex);

-   *pserial = serial;

-   return found;

-}

-

-static void debug_serial_delete(void* p)

-{

-   pipe_mutex_lock(serials_mutex);

-   util_hash_table_remove(serials_hash, p);

-   pipe_mutex_unlock(serials_mutex);

-}

-

-#define STACK_LEN 64

-

-static void dump_stack(const char* symbols[STACK_LEN])

-{

-   unsigned i;

-   for(i = 0; i < STACK_LEN; ++i)

-   {

-      if(symbols[i])

-         os_stream_printf(stream, "%s\n", symbols[i]);

-   }

-   os_stream_write(stream, "\n", 1);

-}

-

-void debug_reference_slowpath(const struct pipe_reference* p, debug_reference_descriptor get_desc, int change)

-{

-   if(debug_refcnt_state < 0)

-      return;

-

-   if(!debug_refcnt_state)

-   {

-      const char* filename = debug_get_option("GALLIUM_REFCNT_LOG", NULL);

-      if(filename && filename[0])

-         stream = os_file_stream_create(filename);

-

-      if(stream)

-         debug_refcnt_state = 1;

-      else

-         debug_refcnt_state = -1;

-   }

-

-   if(debug_refcnt_state > 0)

-   {

-      struct debug_stack_frame frames[STACK_LEN];

-      const char* symbols[STACK_LEN];

-      char buf[1024];

-

-      unsigned i;

-      unsigned refcnt = p->count;

-      unsigned serial;

-      boolean existing = debug_serial((void*)p, &serial);

-

-      debug_backtrace_capture(frames, 1, STACK_LEN);

-      for(i = 0; i < STACK_LEN; ++i)

-      {

-         if(frames[i].function)

-            symbols[i] = debug_symbol_name_cached(frames[i].function);

-         else

-            symbols[i] = 0;

-      }

-

-      get_desc(buf, p);

-

-      if(!existing)

-      {

-         os_stream_printf(stream, "<%s> %p %u Create\n", buf, p, serial);

-         dump_stack(symbols);

-

-         /* this is there to provide a gradual change even if we don't see the initialization */

-         for(i = 1; i <= refcnt - change; ++i)

-         {

-            os_stream_printf(stream, "<%s> %p %u AddRef %u\n", buf, p, serial, i);

-            dump_stack(symbols);

-         }

-      }

-

-      if(change)

-      {

-         os_stream_printf(stream, "<%s> %p %u %s %u\n", buf, p, serial, change > 0 ? "AddRef" : "Release", refcnt);

-         dump_stack(symbols);

-      }

-

-      if(!refcnt)

-      {

-         debug_serial_delete((void*)p);

-         os_stream_printf(stream, "<%s> %p %u Destroy\n", buf, p, serial);

-         dump_stack(symbols);

-      }

-

-      os_stream_flush(stream);

-   }

-}

-#endif

+/**************************************************************************
+ *
+ * Copyright 2010 Luca Barbieri
+ *
+ * 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, sublicense, 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+ *
+ **************************************************************************/
+
+#if defined(DEBUG) && (!defined(PIPE_OS_WINDOWS) || defined(PIPE_SUBSYSTEM_WINDOWS_USER))
+
+/* see http://www.mozilla.org/performance/refcnt-balancer.html for what do with the output
+ * on Linux, use tools/addr2line.sh to postprocess it before anything else
+ **/
+#include "util/u_debug.h"
+#include "util/u_debug_refcnt.h"
+#include "util/u_debug_stack.h"
+#include "util/u_debug_symbol.h"
+#include "util/u_string.h"
+#include "util/u_hash_table.h"
+#include "os/os_thread.h"
+#include "os/os_stream.h"
+
+int debug_refcnt_state;
+
+struct os_stream* stream;
+
+/* TODO: maybe move this serial machinery to a stand-alone module and expose it? */
+pipe_static_mutex(serials_mutex);
+
+static struct util_hash_table* serials_hash;
+static unsigned serials_last;
+
+static unsigned hash_ptr(void* p)
+{
+   return (unsigned)(uintptr_t)p;
+}
+
+static int compare_ptr(void* a, void* b)
+{
+   if(a == b)
+      return 0;
+   else if(a < b)
+      return -1;
+   else
+      return 1;
+}
+
+static boolean debug_serial(void* p, unsigned* pserial)
+{
+   unsigned serial;
+   boolean found = TRUE;
+#ifdef PIPE_SUBSYSTEM_WINDOWS_USER
+   static boolean first = TRUE;
+
+   if (first) {
+      pipe_mutex_init(serials_mutex);
+      first = FALSE;
+   }
+#endif
+
+   pipe_mutex_lock(serials_mutex);
+   if(!serials_hash)
+      serials_hash = util_hash_table_create(hash_ptr, compare_ptr);
+   serial = (unsigned)(uintptr_t)util_hash_table_get(serials_hash, p);
+   if(!serial)
+   {
+      /* time to stop logging... (you'll have a 100 GB logfile at least at this point)
+       * TODO: avoid this
+       */
+      serial = ++serials_last;
+      if(!serial)
+      {
+         debug_error("More than 2^32 objects detected, aborting.\n");
+         os_abort();
+      }
+
+      util_hash_table_set(serials_hash, p, (void*)(uintptr_t)serial);
+      found = FALSE;
+   }
+   pipe_mutex_unlock(serials_mutex);
+   *pserial = serial;
+   return found;
+}
+
+static void debug_serial_delete(void* p)
+{
+   pipe_mutex_lock(serials_mutex);
+   util_hash_table_remove(serials_hash, p);
+   pipe_mutex_unlock(serials_mutex);
+}
+
+#define STACK_LEN 64
+
+static void dump_stack(const char* symbols[STACK_LEN])
+{
+   unsigned i;
+   for(i = 0; i < STACK_LEN; ++i)
+   {
+      if(symbols[i])
+         os_stream_printf(stream, "%s\n", symbols[i]);
+   }
+   os_stream_write(stream, "\n", 1);
+}
+
+void debug_reference_slowpath(const struct pipe_reference* p, debug_reference_descriptor get_desc, int change)
+{
+   if(debug_refcnt_state < 0)
+      return;
+
+   if(!debug_refcnt_state)
+   {
+      const char* filename = debug_get_option("GALLIUM_REFCNT_LOG", NULL);
+      if(filename && filename[0])
+         stream = os_file_stream_create(filename);
+
+      if(stream)
+         debug_refcnt_state = 1;
+      else
+         debug_refcnt_state = -1;
+   }
+
+   if(debug_refcnt_state > 0)
+   {
+      struct debug_stack_frame frames[STACK_LEN];
+      const char* symbols[STACK_LEN];
+      char buf[1024];
+
+      unsigned i;
+      unsigned refcnt = p->count;
+      unsigned serial;
+      boolean existing = debug_serial((void*)p, &serial);
+
+      debug_backtrace_capture(frames, 1, STACK_LEN);
+      for(i = 0; i < STACK_LEN; ++i)
+      {
+         if(frames[i].function)
+            symbols[i] = debug_symbol_name_cached(frames[i].function);
+         else
+            symbols[i] = 0;
+      }
+
+      get_desc(buf, p);
+
+      if(!existing)
+      {
+         os_stream_printf(stream, "<%s> %p %u Create\n", buf, p, serial);
+         dump_stack(symbols);
+
+         /* this is there to provide a gradual change even if we don't see the initialization */
+         for(i = 1; i <= refcnt - change; ++i)
+         {
+            os_stream_printf(stream, "<%s> %p %u AddRef %u\n", buf, p, serial, i);
+            dump_stack(symbols);
+         }
+      }
+
+      if(change)
+      {
+         os_stream_printf(stream, "<%s> %p %u %s %u\n", buf, p, serial, change > 0 ? "AddRef" : "Release", refcnt);
+         dump_stack(symbols);
+      }
+
+      if(!refcnt)
+      {
+         debug_serial_delete((void*)p);
+         os_stream_printf(stream, "<%s> %p %u Destroy\n", buf, p, serial);
+         dump_stack(symbols);
+      }
+
+      os_stream_flush(stream);
+   }
+}
+#endif