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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);
int rpl_snprintf(char *str, size_t size, const char *format, ...);
#define vsnprintf rpl_vsnprintf
#define snprintf rpl_snprintf
#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
}
#ifdef DEBUG
void debug_print_blob( const char *name,
const void *blob,
unsigned size )
{
const unsigned *ublob = (const unsigned *)blob;
unsigned i;
debug_printf("%s (%d dwords%s)\n", name, size/4,
size%4 ? "... plus a few bytes" : "");
for (i = 0; i < size/4; i++) {
debug_printf("%d:\t%08x\n", i, ublob[i]);
}
}
#endif
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,
const char *function)
{
_debug_printf("%s:%u:%s: Assertion `%s' failed.\n", file, line, function, expr);
if (abort_en())
{
debug_break();
} else
{
_debug_printf("continuing...\n");
}
}
const char *
debug_dump_enum(const struct debug_named_value *names,
unsigned long value)
{
static char rest[256];
while(names->name) {
if(names->value == value)
return names->name;
++names;
}
snprintf(rest, sizeof(rest), "0x%08lx", value);
return rest;
}
const char *
debug_dump_flags(const struct debug_named_value *names,
unsigned long value)
{
static char output[4096];
static char rest[256];
int first = 1;
output[0] = '\0';
while(names->name) {
if((names->value & value) == names->value) {
if (!first)
strncat(output, "|", sizeof(output));
else
first = 0;
strncat(output, names->name, sizeof(output));
value &= ~names->value;
}
++names;
}
if (value) {
if (!first)
strncat(output, "|", sizeof(output));
else
first = 0;
snprintf(rest, sizeof(rest), "0x%08lx", value);
strncat(output, rest, sizeof(output));
}
if(first)
return "0";
return output;
}
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