llvm::orc::PerfSupportPlugin Class Reference

Log perf jitdump events for each object (see https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/perf/Documentation/jitdump-specification.txt). More...

#include "llvm/ExecutionEngine/Orc/Debugging/PerfSupportPlugin.h"

Inheritance diagram for llvm::orc::PerfSupportPlugin:

Public Member Functions
	PerfSupportPlugin (ExecutorProcessControl &EPC, ExecutorAddr RegisterPerfStartAddr, ExecutorAddr RegisterPerfEndAddr, ExecutorAddr RegisterPerfImplAddr, bool EmitDebugInfo, bool EmitUnwindInfo)
	~PerfSupportPlugin ()
void	modifyPassConfig (MaterializationResponsibility &MR, jitlink::LinkGraph &G, jitlink::PassConfiguration &Config) override
Error	notifyFailed (MaterializationResponsibility &MR) override
Error	notifyRemovingResources (JITDylib &JD, ResourceKey K) override
void	notifyTransferringResources (JITDylib &JD, ResourceKey DstKey, ResourceKey SrcKey) override
Public Member Functions inherited from llvm::orc::ObjectLinkingLayer::Plugin
virtual	~Plugin ()
virtual void	modifyPassConfig (MaterializationResponsibility &MR, jitlink::LinkGraph &G, jitlink::PassConfiguration &Config)
virtual void	notifyMaterializing (MaterializationResponsibility &MR, jitlink::LinkGraph &G, jitlink::JITLinkContext &Ctx, MemoryBufferRef InputObject)
virtual void	notifyLoaded (MaterializationResponsibility &MR)
virtual Error	notifyEmitted (MaterializationResponsibility &MR)
virtual Error	notifyFailed (MaterializationResponsibility &MR)=0
virtual Error	notifyRemovingResources (JITDylib &JD, ResourceKey K)=0
virtual void	notifyTransferringResources (JITDylib &JD, ResourceKey DstKey, ResourceKey SrcKey)=0
virtual SyntheticSymbolDependenciesMap	getSyntheticSymbolDependencies (MaterializationResponsibility &MR)
	Return any dependencies that synthetic symbols (e.g.

Static Public Member Functions
static Expected< std::unique_ptr< PerfSupportPlugin > >	Create (ExecutorProcessControl &EPC, JITDylib &JD, bool EmitDebugInfo, bool EmitUnwindInfo)

Additional Inherited Members
Public Types inherited from llvm::orc::ObjectLinkingLayer::Plugin
using	JITLinkSymbolSet = DenseSet< jitlink::Symbol * >
using	SyntheticSymbolDependenciesMap = DenseMap< SymbolStringPtr, JITLinkSymbolSet >

Detailed Description

Log perf jitdump events for each object (see https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/perf/Documentation/jitdump-specification.txt).

Currently has support for dumping code load records and unwind info records.

Definition at line 27 of file PerfSupportPlugin.h.

Constructor & Destructor Documentation

PerfSupportPlugin()

PerfSupportPlugin::PerfSupportPlugin	(	ExecutorProcessControl &	EPC,
		ExecutorAddr	RegisterPerfStartAddr,
		ExecutorAddr	RegisterPerfEndAddr,
		ExecutorAddr	RegisterPerfImplAddr,
		bool	EmitDebugInfo,
		bool	EmitUnwindInfo
	)

Definition at line 255 of file PerfSupportPlugin.cpp.

References llvm::orc::ExecutorProcessControl::callSPSWrapper(), and llvm::cantFail().

~PerfSupportPlugin()

PerfSupportPlugin::~PerfSupportPlugin

(

)

Definition at line 266 of file PerfSupportPlugin.cpp.

References llvm::orc::ExecutorProcessControl::callSPSWrapper(), and llvm::cantFail().

Member Function Documentation

Create()

Expected< std::unique_ptr< PerfSupportPlugin > > PerfSupportPlugin::Create ( ExecutorProcessControl &  EPC, JITDylib &  JD, bool  EmitDebugInfo, bool  EmitUnwindInfo  )

static

Definition at line 286 of file PerfSupportPlugin.cpp.

References llvm::orc::ExecutorProcessControl::getExecutionSession(), llvm::orc::ExecutorProcessControl::getTargetTriple(), llvm::inconvertibleErrorCode(), llvm::Triple::isOSBinFormatELF(), llvm::orc::lookupAndRecordAddrs(), llvm::orc::makeJITDylibSearchOrder(), and llvm::orc::Static.

modifyPassConfig()

void PerfSupportPlugin::modifyPassConfig ( MaterializationResponsibility &  MR, jitlink::LinkGraph &  G, jitlink::PassConfiguration &  Config  )

overridevirtual

Reimplemented from llvm::orc::ObjectLinkingLayer::Plugin.

Definition at line 270 of file PerfSupportPlugin.cpp.

References llvm::cantFail(), Config, llvm::orc::shared::WrapperFunctionCall::Create(), G, llvm::orc::ExecutorProcessControl::getExecutionSession(), and llvm::Error::success().

notifyFailed()

Error llvm::orc::PerfSupportPlugin::notifyFailed ( MaterializationResponsibility &  MR )

inlineoverridevirtual

Implements llvm::orc::ObjectLinkingLayer::Plugin.

Definition at line 40 of file PerfSupportPlugin.h.

References llvm::Error::success().

notifyRemovingResources()

Error llvm::orc::PerfSupportPlugin::notifyRemovingResources ( JITDylib &  JD, ResourceKey  K  )

inlineoverridevirtual

Implements llvm::orc::ObjectLinkingLayer::Plugin.

Definition at line 44 of file PerfSupportPlugin.h.

References llvm::Error::success().

notifyTransferringResources()

void llvm::orc::PerfSupportPlugin::notifyTransferringResources ( JITDylib &  JD, ResourceKey  DstKey, ResourceKey  SrcKey  )

inlineoverridevirtual

Implements llvm::orc::ObjectLinkingLayer::Plugin.

Definition at line 48 of file PerfSupportPlugin.h.

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The documentation for this class was generated from the following files:

• include/llvm/ExecutionEngine/Orc/Debugging/PerfSupportPlugin.h
• lib/ExecutionEngine/Orc/Debugging/PerfSupportPlugin.cpp