compute-runtime/shared/source/source_level_debugger/source_level_debugger.cpp

255 lines
11 KiB
C++

/*
* Copyright (C) 2018-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/source_level_debugger/source_level_debugger.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/debugger/debugger.h"
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/helpers/file_io.h"
#include "shared/source/kernel/debug_data.h"
#include "shared/source/os_interface/os_interface.h"
#include "igfx_debug_interchange_types.h"
#include "lib_names.h"
#include <fstream>
#define IGFXDBG_CURRENT_VERSION 4
namespace NEO {
static_assert(std::is_pod<GfxDbgKernelDebugData>::value);
const char *SourceLevelDebugger::notifyNewDeviceSymbol = "notifyNewDevice";
const char *SourceLevelDebugger::notifySourceCodeSymbol = "notifySourceCode";
const char *SourceLevelDebugger::getDebuggerOptionSymbol = "getDebuggerOption";
const char *SourceLevelDebugger::notifyKernelDebugDataSymbol = "notifyKernelDebugData";
const char *SourceLevelDebugger::initSymbol = "init";
const char *SourceLevelDebugger::isDebuggerActiveSymbol = "isDebuggerActive";
const char *SourceLevelDebugger::notifyDeviceDestructionSymbol = "notifyDeviceDestruction";
const char *SourceLevelDebugger::dllName = SLD_LIBRARY_NAME;
class SourceLevelDebugger::SourceLevelDebuggerInterface {
public:
SourceLevelDebuggerInterface() = default;
~SourceLevelDebuggerInterface() = default;
typedef int (*NotifyNewDeviceFunction)(GfxDbgNewDeviceData *data);
typedef int (*NotifySourceCodeFunction)(GfxDbgSourceCode *data);
typedef int (*GetDebuggerOptionFunction)(GfxDbgOption *);
typedef int (*NotifyKernelDebugDataFunction)(GfxDbgKernelDebugData *data);
typedef int (*InitFunction)(GfxDbgTargetCaps *data);
typedef int (*IsDebuggerActiveFunction)(void);
typedef int (*NotifyDeviceDestructionFunction)(GfxDbgDeviceDestructionData *data);
NotifyNewDeviceFunction notifyNewDeviceFunc = nullptr;
NotifySourceCodeFunction notifySourceCodeFunc = nullptr;
GetDebuggerOptionFunction getDebuggerOptionFunc = nullptr;
NotifyKernelDebugDataFunction notifyKernelDebugDataFunc = nullptr;
InitFunction initFunc = nullptr;
IsDebuggerActiveFunction isDebuggerActive = nullptr;
NotifyDeviceDestructionFunction notifyDeviceDestructionFunc = nullptr;
};
SourceLevelDebugger *SourceLevelDebugger::create() {
auto library = SourceLevelDebugger::loadDebugger();
if (library) {
auto isActiveFunc = reinterpret_cast<SourceLevelDebuggerInterface::IsDebuggerActiveFunction>(library->getProcAddress(isDebuggerActiveSymbol));
int result = isActiveFunc();
if (result == 1) {
// pass library ownership to Source Level Debugger
return new SourceLevelDebugger(library);
}
delete library;
}
if (DebugManager.flags.EnableMockSourceLevelDebugger.get()) {
auto sld = new SourceLevelDebugger(nullptr);
sld->isActive = true;
return sld;
}
return nullptr;
}
SourceLevelDebugger::SourceLevelDebugger(OsLibrary *library) {
debuggerLibrary.reset(library);
isLegacyMode = true;
if (debuggerLibrary.get() == nullptr) {
return;
}
sourceLevelDebuggerInterface = new SourceLevelDebuggerInterface;
getFunctions();
if (sourceLevelDebuggerInterface->isDebuggerActive == nullptr) {
return;
}
int result = sourceLevelDebuggerInterface->isDebuggerActive();
if (result == 1) {
UNRECOVERABLE_IF(sourceLevelDebuggerInterface->getDebuggerOptionFunc == nullptr);
UNRECOVERABLE_IF(sourceLevelDebuggerInterface->initFunc == nullptr);
UNRECOVERABLE_IF(sourceLevelDebuggerInterface->notifyKernelDebugDataFunc == nullptr);
UNRECOVERABLE_IF(sourceLevelDebuggerInterface->notifyNewDeviceFunc == nullptr);
UNRECOVERABLE_IF(sourceLevelDebuggerInterface->notifySourceCodeFunc == nullptr);
UNRECOVERABLE_IF(sourceLevelDebuggerInterface->notifyDeviceDestructionFunc == nullptr);
isActive = true;
}
}
SourceLevelDebugger::~SourceLevelDebugger() {
if (sourceLevelDebuggerInterface) {
delete sourceLevelDebuggerInterface;
}
}
bool SourceLevelDebugger::isDebuggerActive() {
return isActive;
}
void SourceLevelDebugger::getFunctions() {
UNRECOVERABLE_IF(debuggerLibrary.get() == nullptr);
sourceLevelDebuggerInterface->notifyNewDeviceFunc = reinterpret_cast<SourceLevelDebuggerInterface::NotifyNewDeviceFunction>(debuggerLibrary->getProcAddress(notifyNewDeviceSymbol));
sourceLevelDebuggerInterface->notifySourceCodeFunc = reinterpret_cast<SourceLevelDebuggerInterface::NotifySourceCodeFunction>(debuggerLibrary->getProcAddress(notifySourceCodeSymbol));
sourceLevelDebuggerInterface->getDebuggerOptionFunc = reinterpret_cast<SourceLevelDebuggerInterface::GetDebuggerOptionFunction>(debuggerLibrary->getProcAddress(getDebuggerOptionSymbol));
sourceLevelDebuggerInterface->notifyKernelDebugDataFunc = reinterpret_cast<SourceLevelDebuggerInterface::NotifyKernelDebugDataFunction>(debuggerLibrary->getProcAddress(notifyKernelDebugDataSymbol));
sourceLevelDebuggerInterface->initFunc = reinterpret_cast<SourceLevelDebuggerInterface::InitFunction>(debuggerLibrary->getProcAddress(initSymbol));
sourceLevelDebuggerInterface->isDebuggerActive = reinterpret_cast<SourceLevelDebuggerInterface::IsDebuggerActiveFunction>(debuggerLibrary->getProcAddress(isDebuggerActiveSymbol));
sourceLevelDebuggerInterface->notifyDeviceDestructionFunc = reinterpret_cast<SourceLevelDebuggerInterface::NotifyDeviceDestructionFunction>(debuggerLibrary->getProcAddress(notifyDeviceDestructionSymbol));
}
bool SourceLevelDebugger::notifyNewDevice(uint32_t deviceHandle) {
if (isActive) {
GfxDbgNewDeviceData newDevice = {};
newDevice.version = IGFXDBG_CURRENT_VERSION;
newDevice.dh = reinterpret_cast<GfxDeviceHandle>(static_cast<uint64_t>(deviceHandle));
newDevice.udh = GfxDeviceHandle(0);
if (sourceLevelDebuggerInterface) {
int result = sourceLevelDebuggerInterface->notifyNewDeviceFunc(&newDevice);
DEBUG_BREAK_IF(static_cast<IgfxdbgRetVal>(result) != IgfxdbgRetVal::IGFXDBG_SUCCESS);
static_cast<void>(result);
}
this->deviceHandle = deviceHandle;
}
return false;
}
bool SourceLevelDebugger::notifyDeviceDestruction() {
if (isActive) {
GfxDbgDeviceDestructionData deviceDestruction = {};
deviceDestruction.version = IGFXDBG_CURRENT_VERSION;
deviceDestruction.dh = reinterpret_cast<GfxDeviceHandle>(static_cast<uint64_t>(this->deviceHandle));
if (sourceLevelDebuggerInterface) {
int result = sourceLevelDebuggerInterface->notifyDeviceDestructionFunc(&deviceDestruction);
DEBUG_BREAK_IF(static_cast<IgfxdbgRetVal>(result) != IgfxdbgRetVal::IGFXDBG_SUCCESS);
static_cast<void>(result);
}
this->deviceHandle = 0;
return true;
}
return false;
}
bool SourceLevelDebugger::notifySourceCode(const char *source, size_t sourceSize, std::string &file) const {
if (isActive) {
GfxDbgSourceCode sourceCode = {};
char fileName[FILENAME_MAX] = "";
sourceCode.version = IGFXDBG_CURRENT_VERSION;
sourceCode.hDevice = reinterpret_cast<GfxDeviceHandle>(static_cast<uint64_t>(this->deviceHandle));
sourceCode.sourceCode = source;
sourceCode.sourceCodeSize = static_cast<unsigned int>(sourceSize);
sourceCode.sourceName = &fileName[0];
sourceCode.sourceNameMaxLen = sizeof(fileName);
if (sourceLevelDebuggerInterface) {
int result = sourceLevelDebuggerInterface->notifySourceCodeFunc(&sourceCode);
DEBUG_BREAK_IF(static_cast<IgfxdbgRetVal>(result) != IgfxdbgRetVal::IGFXDBG_SUCCESS);
static_cast<void>(result);
}
file = fileName;
}
return false;
}
bool SourceLevelDebugger::isOptimizationDisabled() const {
if (isActive) {
const size_t optionValueSize = 4;
char value[optionValueSize] = {0};
GfxDbgOption option = {};
option.version = IGFXDBG_CURRENT_VERSION;
option.optionName = DBG_OPTION_IS_OPTIMIZATION_DISABLED;
option.valueLen = sizeof(value);
option.value = &value[0];
if (sourceLevelDebuggerInterface) {
int result = sourceLevelDebuggerInterface->getDebuggerOptionFunc(&option);
if (result == 1) {
if (option.value[0] == '1') {
return true;
}
}
} else {
return DebugManager.flags.EnableMockSourceLevelDebugger.get() == 1 ? true : false;
}
}
return false;
}
bool SourceLevelDebugger::notifyKernelDebugData(const DebugData *debugData, const std::string &name, const void *isa, size_t isaSize) const {
if (isActive) {
GfxDbgKernelDebugData kernelDebugData = {};
kernelDebugData.hDevice = reinterpret_cast<GfxDeviceHandle>(static_cast<uint64_t>(this->deviceHandle));
kernelDebugData.version = IGFXDBG_CURRENT_VERSION;
kernelDebugData.hProgram = reinterpret_cast<GenRtProgramHandle>(0);
kernelDebugData.kernelName = name.c_str();
kernelDebugData.kernelBinBuffer = const_cast<void *>(isa);
kernelDebugData.KernelBinSize = static_cast<uint32_t>(isaSize);
if (debugData) {
kernelDebugData.dbgVisaBuffer = debugData->vIsa;
kernelDebugData.dbgVisaSize = debugData->vIsaSize;
kernelDebugData.dbgGenIsaBuffer = debugData->genIsa;
kernelDebugData.dbgGenIsaSize = debugData->genIsaSize;
if (NEO::DebugManager.flags.DebuggerLogBitmask.get() & NEO::DebugVariables::DEBUGGER_LOG_BITMASK::DUMP_ELF) {
std::ofstream elfFile;
std::string fileName = name + ".elf";
int suffix = 0;
while (fileExists(fileName)) {
fileName = name + "_" + std::to_string(suffix) + ".elf";
suffix++;
}
writeDataToFile(fileName.c_str(), kernelDebugData.dbgVisaBuffer, kernelDebugData.dbgVisaSize);
}
}
if (sourceLevelDebuggerInterface) {
int result = sourceLevelDebuggerInterface->notifyKernelDebugDataFunc(&kernelDebugData);
DEBUG_BREAK_IF(static_cast<IgfxdbgRetVal>(result) != IgfxdbgRetVal::IGFXDBG_SUCCESS);
static_cast<void>(result);
}
}
return false;
}
bool SourceLevelDebugger::initialize(bool useLocalMemory) {
if (isActive) {
GfxDbgTargetCaps caps = {IGFXDBG_CURRENT_VERSION, useLocalMemory};
if (sourceLevelDebuggerInterface) {
int result = sourceLevelDebuggerInterface->initFunc(&caps);
if (static_cast<IgfxdbgRetVal>(result) != IgfxdbgRetVal::IGFXDBG_SUCCESS) {
isActive = false;
}
}
}
return false;
}
} // namespace NEO