protot/3rdparty/bx/src/debug.cpp

146 lines
3.8 KiB
C++

/*
* Copyright 2010-2017 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bx#license-bsd-2-clause
*/
#include <bx/debug.h>
#include <bx/string.h> // isPrint
#include <inttypes.h> // PRIx*
#if BX_PLATFORM_ANDROID
# include <android/log.h>
#elif BX_PLATFORM_WINDOWS || BX_PLATFORM_WINRT || BX_PLATFORM_XBOX360 || BX_PLATFORM_XBOXONE
extern "C" __declspec(dllimport) void __stdcall OutputDebugStringA(const char* _str);
#elif BX_PLATFORM_IOS || BX_PLATFORM_OSX
# if defined(__OBJC__)
# import <Foundation/NSObjCRuntime.h>
# else
# include <CoreFoundation/CFString.h>
extern "C" void NSLog(CFStringRef _format, ...);
# endif // defined(__OBJC__)
#elif 0 // BX_PLATFORM_EMSCRIPTEN
# include <emscripten.h>
#else
# include <stdio.h> // fputs, fflush
#endif // BX_PLATFORM_WINDOWS
namespace bx
{
void debugBreak()
{
#if BX_COMPILER_MSVC
__debugbreak();
#elif BX_CPU_ARM
__builtin_trap();
// asm("bkpt 0");
#elif !BX_PLATFORM_NACL && BX_CPU_X86 && (BX_COMPILER_GCC || BX_COMPILER_CLANG)
// NaCl doesn't like int 3:
// NativeClient: NaCl module load failed: Validation failure. File violates Native Client safety rules.
__asm__ ("int $3");
#else // cross platform implementation
int* int3 = (int*)3L;
*int3 = 3;
#endif // BX
}
void debugOutput(const char* _out)
{
#if BX_PLATFORM_ANDROID
# ifndef BX_ANDROID_LOG_TAG
# define BX_ANDROID_LOG_TAG ""
# endif // BX_ANDROID_LOG_TAG
__android_log_write(ANDROID_LOG_DEBUG, BX_ANDROID_LOG_TAG, _out);
#elif BX_PLATFORM_WINDOWS || BX_PLATFORM_WINRT || BX_PLATFORM_XBOX360 || BX_PLATFORM_XBOXONE
OutputDebugStringA(_out);
#elif BX_PLATFORM_IOS || BX_PLATFORM_OSX
# if defined(__OBJC__)
NSLog(@"%s", _out);
# else
NSLog(__CFStringMakeConstantString("%s"), _out);
# endif // defined(__OBJC__)
#elif 0 // BX_PLATFORM_EMSCRIPTEN
emscripten_log(EM_LOG_CONSOLE, "%s", _out);
#elif !BX_CRT_NONE
fputs(_out, stdout);
fflush(stdout);
#else
BX_UNUSED(_out);
#endif // BX_PLATFORM_
}
void debugPrintfVargs(const char* _format, va_list _argList)
{
char temp[8192];
char* out = temp;
int32_t len = vsnprintf(out, sizeof(temp), _format, _argList);
if ( (int32_t)sizeof(temp) < len)
{
out = (char*)alloca(len+1);
len = vsnprintf(out, len, _format, _argList);
}
out[len] = '\0';
debugOutput(out);
}
void debugPrintf(const char* _format, ...)
{
va_list argList;
va_start(argList, _format);
debugPrintfVargs(_format, argList);
va_end(argList);
}
#define DBG_ADDRESS "%" PRIxPTR
void debugPrintfData(const void* _data, uint32_t _size, const char* _format, ...)
{
#define HEX_DUMP_WIDTH 16
#define HEX_DUMP_SPACE_WIDTH 48
#define HEX_DUMP_FORMAT "%-" BX_STRINGIZE(HEX_DUMP_SPACE_WIDTH) "." BX_STRINGIZE(HEX_DUMP_SPACE_WIDTH) "s"
va_list argList;
va_start(argList, _format);
debugPrintfVargs(_format, argList);
va_end(argList);
debugPrintf("\ndata: " DBG_ADDRESS ", size: %d\n", _data, _size);
if (NULL != _data)
{
const uint8_t* data = reinterpret_cast<const uint8_t*>(_data);
char hex[HEX_DUMP_WIDTH*3+1];
char ascii[HEX_DUMP_WIDTH+1];
uint32_t hexPos = 0;
uint32_t asciiPos = 0;
for (uint32_t ii = 0; ii < _size; ++ii)
{
snprintf(&hex[hexPos], sizeof(hex)-hexPos, "%02x ", data[asciiPos]);
hexPos += 3;
ascii[asciiPos] = isPrint(data[asciiPos]) ? data[asciiPos] : '.';
asciiPos++;
if (HEX_DUMP_WIDTH == asciiPos)
{
ascii[asciiPos] = '\0';
debugPrintf("\t" DBG_ADDRESS "\t" HEX_DUMP_FORMAT "\t%s\n", data, hex, ascii);
data += asciiPos;
hexPos = 0;
asciiPos = 0;
}
}
if (0 != asciiPos)
{
ascii[asciiPos] = '\0';
debugPrintf("\t" DBG_ADDRESS "\t" HEX_DUMP_FORMAT "\t%s\n", data, hex, ascii);
}
}
#undef HEX_DUMP_WIDTH
#undef HEX_DUMP_SPACE_WIDTH
#undef HEX_DUMP_FORMAT
}
} // namespace bx