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