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Theodosius/Examples/Theodosius-Usermode/asmjit/core/logger.cpp

125 lines
3.8 KiB

4 years ago
// AsmJit - Machine code generation for C++
//
// * Official AsmJit Home Page: https://asmjit.com
// * Official Github Repository: https://github.com/asmjit/asmjit
//
// Copyright (c) 2008-2020 The AsmJit Authors
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
#include "../core/api-build_p.h"
#ifndef ASMJIT_NO_LOGGING
#include "../core/logger.h"
#include "../core/string.h"
#include "../core/support.h"
ASMJIT_BEGIN_NAMESPACE
// ============================================================================
// [asmjit::Logger - Construction / Destruction]
// ============================================================================
Logger::Logger() noexcept
: _options() {}
Logger::~Logger() noexcept {}
// ============================================================================
// [asmjit::Logger - Logging]
// ============================================================================
Error Logger::logf(const char* fmt, ...) noexcept {
Error err;
va_list ap;
va_start(ap, fmt);
err = logv(fmt, ap);
va_end(ap);
return err;
}
Error Logger::logv(const char* fmt, va_list ap) noexcept {
StringTmp<2048> sb;
ASMJIT_PROPAGATE(sb.appendVFormat(fmt, ap));
return log(sb);
}
Error Logger::logBinary(const void* data, size_t size) noexcept {
static const char prefix[] = "db ";
StringTmp<256> sb;
sb.append(prefix, ASMJIT_ARRAY_SIZE(prefix) - 1);
size_t i = size;
const uint8_t* s = static_cast<const uint8_t*>(data);
while (i) {
uint32_t n = uint32_t(Support::min<size_t>(i, 16));
sb.truncate(ASMJIT_ARRAY_SIZE(prefix) - 1);
sb.appendHex(s, n);
sb.append('\n');
ASMJIT_PROPAGATE(log(sb));
s += n;
i -= n;
}
return kErrorOk;
}
// ============================================================================
// [asmjit::FileLogger - Construction / Destruction]
// ============================================================================
FileLogger::FileLogger(FILE* file) noexcept
: _file(file) {}
FileLogger::~FileLogger() noexcept {}
// ============================================================================
// [asmjit::FileLogger - Logging]
// ============================================================================
Error FileLogger::_log(const char* data, size_t size) noexcept {
if (!_file)
return kErrorOk;
if (size == SIZE_MAX)
size = strlen(data);
fwrite(data, 1, size, _file);
return kErrorOk;
}
// ============================================================================
// [asmjit::StringLogger - Construction / Destruction]
// ============================================================================
StringLogger::StringLogger() noexcept {}
StringLogger::~StringLogger() noexcept {}
// ============================================================================
// [asmjit::StringLogger - Logging]
// ============================================================================
Error StringLogger::_log(const char* data, size_t size) noexcept {
return _content.append(data, size);
}
ASMJIT_END_NAMESPACE
#endif