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/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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 TUNGSTEN GRAPHICS 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.
*
**************************************************************************/
#include <stdarg.h>
#ifdef WIN32
#include <windows.h>
#include <winddi.h>
#else
#include <stdio.h>
#include <stdlib.h>
#endif
#include "pipe/p_compiler.h"
#include "pipe/p_util.h"
#include "pipe/p_debug.h"
#ifdef WIN32
static INLINE void
rpl_EngDebugPrint(const char *format, ...)
{
va_list ap;
va_start(ap, format);
EngDebugPrint("", (PCHAR)format, ap);
va_end(ap);
}
int rpl_vsnprintf(char *, size_t, const char *, va_list);
#endif
void debug_vprintf(const char *format, va_list ap)
{
#ifdef WIN32
#ifndef WINCE
/* EngDebugPrint does not handle float point arguments, so we need to use
* our own vsnprintf implementation */
char buf[512 + 1];
rpl_vsnprintf(buf, sizeof(buf), format, ap);
rpl_EngDebugPrint("%s", buf);
#else
/* TODO: Implement debug print for WINCE */
#endif
#else
vfprintf(stderr, format, ap);
#endif
}
void debug_printf(const char *format, ...)
{
va_list ap;
va_start(ap, format);
debug_vprintf(format, ap);
va_end(ap);
}
/* TODO: implement a debug_abort that calls EngBugCheckEx on WIN32 */
static INLINE void debug_break(void)
{
#if (defined(__i386__) || defined(__386__)) && defined(__GNUC__)
__asm("int3");
#elif (defined(__i386__) || defined(__386__)) && defined(__MSC__)
_asm {int 3};
#elif defined(WIN32) && !defined(WINCE)
EngDebugBreak();
#else
abort();
#endif
}
#if defined(WIN32)
ULONG_PTR debug_config_file = 0;
void *mapped_config_file = 0;
enum {
eAssertAbortEn = 0x1,
};
/* Check for aborts enabled. */
static unsigned abort_en()
{
if (!mapped_config_file)
{
/* Open an 8 byte file for configuration data. */
mapped_config_file = EngMapFile(L"\\??\\c:\\gaDebug.cfg", 8, &debug_config_file);
}
/* A value of "0" (ascii) in the configuration file will clear the
* first 8 bits in the test byte.
*
* A value of "1" (ascii) in the configuration file will set the
* first bit in the test byte.
*
* A value of "2" (ascii) in the configuration file will set the
* second bit in the test byte.
*
* Currently the only interesting values are 0 and 1, which clear
* and set abort-on-assert behaviour respectively.
*/
return ((((char *)mapped_config_file)[0]) - 0x30) & eAssertAbortEn;
}
#else /* WIN32 */
static unsigned abort_en()
{
return !GETENV("GALLIUM_ABORT_ON_ASSERT");
}
#endif
void debug_assert_fail(const char *expr, const char *file, unsigned line)
{
debug_printf("%s:%i: Assertion `%s' failed.\n", file, line, expr);
if (abort_en())
{
debug_break();
} else
{
debug_printf("continuing...\n");
}
}
#define DEBUG_MASK_TABLE_SIZE 256
/**
* Mask hash table.
*
* For now we just take the lower bits of the key, and do no attempt to solve
* collisions. Use a proper hash table when we have dozens of drivers.
*/
static uint32_t debug_mask_table[DEBUG_MASK_TABLE_SIZE];
void debug_mask_set(uint32_t uuid, uint32_t mask)
{
unsigned hash = uuid & (DEBUG_MASK_TABLE_SIZE - 1);
debug_mask_table[hash] = mask;
}
uint32_t debug_mask_get(uint32_t uuid)
{
unsigned hash = uuid & (DEBUG_MASK_TABLE_SIZE - 1);
return debug_mask_table[hash];
}
void debug_mask_vprintf(uint32_t uuid, uint32_t what, const char *format, va_list ap)
{
uint32_t mask = debug_mask_get(uuid);
if(mask & what)
debug_vprintf(format, ap);
}
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