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Relocate debug data

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Related-To: NEO-4769

Signed-off-by: Mateusz Hoppe <mateusz.hoppe@intel.com>
This commit is contained in:
Mateusz Hoppe
2021-02-09 14:57:16 +00:00
committed by Compute-Runtime-Automation
parent a0d3e8b352
commit 6dd0f0c728
17 changed files with 579 additions and 51 deletions
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3
level_zero/core/source/kernel/kernel.h
View File

@@ -63,6 +63,9 @@ struct KernelImmutableData {
const NEO::KernelInfo *getKernelInfo() const { return kernelInfo; }
protected:
MOCKABLE_VIRTUAL void createRelocatedDebugData(NEO::GraphicsAllocation *globalConstBuffer,
NEO::GraphicsAllocation *globalVarBuffer);
Device *device = nullptr;
NEO::KernelInfo *kernelInfo = nullptr;
NEO::KernelDescriptor *kernelDescriptor = nullptr;

43
level_zero/core/source/kernel/kernel_imp.cpp
View File

@@ -121,8 +121,12 @@ void KernelImmutableData::initialize(NEO::KernelInfo *kernelInfo, Device *device
}
isaGraphicsAllocation.reset(allocation);
if (device->getL0Debugger() && kernelInfo->kernelDescriptor.external.debugData.get()) {
device->getL0Debugger()->registerElf(kernelInfo->kernelDescriptor.external.debugData.get(), allocation);
if (neoDevice->getDebugger() && kernelInfo->kernelDescriptor.external.debugData.get()) {
createRelocatedDebugData(globalConstBuffer, globalVarBuffer);
if (device->getL0Debugger()) {
device->getL0Debugger()->registerElf(kernelInfo->kernelDescriptor.external.debugData.get(), allocation);
}
}
this->crossThreadDataSize = this->kernelDescriptor->kernelAttributes.crossThreadDataSize;
@@ -185,6 +189,41 @@ void KernelImmutableData::initialize(NEO::KernelInfo *kernelInfo, Device *device
}
}
void KernelImmutableData::createRelocatedDebugData(NEO::GraphicsAllocation *globalConstBuffer,
NEO::GraphicsAllocation *globalVarBuffer) {
NEO::Linker::SegmentInfo globalData;
NEO::Linker::SegmentInfo constData;
if (globalVarBuffer) {
globalData.gpuAddress = globalVarBuffer->getGpuAddress();
globalData.segmentSize = globalVarBuffer->getUnderlyingBufferSize();
}
if (globalConstBuffer) {
constData.gpuAddress = globalConstBuffer->getGpuAddress();
constData.segmentSize = globalConstBuffer->getUnderlyingBufferSize();
}
if (kernelInfo->kernelDescriptor.external.debugData.get()) {
std::string outErrReason;
std::string outWarning;
auto decodedElf = NEO::Elf::decodeElf<NEO::Elf::EI_CLASS_64>(ArrayRef<const uint8_t>(reinterpret_cast<const uint8_t *>(kernelInfo->kernelDescriptor.external.debugData->vIsa),
kernelInfo->kernelDescriptor.external.debugData->vIsaSize),
outErrReason, outWarning);
if (decodedElf.getDebugInfoRelocations().size() > 1) {
auto size = kernelInfo->kernelDescriptor.external.debugData->vIsaSize;
kernelInfo->kernelDescriptor.external.relocatedDebugData = std::make_unique<uint8_t[]>(size);
memcpy_s(kernelInfo->kernelDescriptor.external.relocatedDebugData.get(), size, kernelInfo->kernelDescriptor.external.debugData->vIsa, kernelInfo->kernelDescriptor.external.debugData->vIsaSize);
NEO::Linker::SegmentInfo textSegment = {getIsaGraphicsAllocation()->getGpuAddress(),
getIsaGraphicsAllocation()->getUnderlyingBufferSize()};
NEO::Linker::applyDebugDataRelocations(decodedElf, ArrayRef<uint8_t>(kernelInfo->kernelDescriptor.external.relocatedDebugData.get(), size),
textSegment, globalData, constData);
}
}
}
uint32_t KernelImmutableData::getIsaSize() const {
return static_cast<uint32_t>(isaGraphicsAllocation->getUnderlyingBufferSize());
}