llvm/llvm/lib/ExecutionEngine/Orc/ELFNixPlatform.cpp

//===------ ELFNixPlatform.cpp - Utilities for executing ELFNix in Orc
//-----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "llvm/ExecutionEngine/Orc/ELFNixPlatform.h"

#include "llvm/BinaryFormat/ELF.h"
#include "llvm/ExecutionEngine/JITLink/ELF_x86_64.h"
#include "llvm/ExecutionEngine/JITLink/aarch64.h"
#include "llvm/ExecutionEngine/JITLink/ppc64.h"
#include "llvm/ExecutionEngine/JITLink/x86_64.h"
#include "llvm/ExecutionEngine/Orc/DebugUtils.h"
#include "llvm/ExecutionEngine/Orc/ExecutionUtils.h"
#include "llvm/ExecutionEngine/Orc/LookupAndRecordAddrs.h"
#include "llvm/ExecutionEngine/Orc/Shared/ObjectFormats.h"
#include "llvm/Support/BinaryByteStream.h"
#include "llvm/Support/Debug.h"
#include <optional>

#define DEBUG_TYPE …

usingnamespacellvm;
usingnamespacellvm::orc;
usingnamespacellvm::orc::shared;

namespace {

template <typename SPSSerializer, typename... ArgTs>
shared::WrapperFunctionCall::ArgDataBufferType
getArgDataBufferType(const ArgTs &...Args) { … }

std::unique_ptr<jitlink::LinkGraph> createPlatformGraph(ELFNixPlatform &MOP,
                                                        std::string Name) { … }

// Creates a Bootstrap-Complete LinkGraph to run deferred actions.
class ELFNixPlatformCompleteBootstrapMaterializationUnit
    : public MaterializationUnit { … };

class DSOHandleMaterializationUnit : public MaterializationUnit { … };

} // end anonymous namespace

namespace llvm {
namespace orc {

Expected<std::unique_ptr<ELFNixPlatform>>
ELFNixPlatform::Create(ObjectLinkingLayer &ObjLinkingLayer,
                       JITDylib &PlatformJD,
                       std::unique_ptr<DefinitionGenerator> OrcRuntime,
                       std::optional<SymbolAliasMap> RuntimeAliases) { … }

Expected<std::unique_ptr<ELFNixPlatform>>
ELFNixPlatform::Create(ObjectLinkingLayer &ObjLinkingLayer,
                       JITDylib &PlatformJD, const char *OrcRuntimePath,
                       std::optional<SymbolAliasMap> RuntimeAliases) { … }

Error ELFNixPlatform::setupJITDylib(JITDylib &JD) { … }

Error ELFNixPlatform::teardownJITDylib(JITDylib &JD) { … }

Error ELFNixPlatform::notifyAdding(ResourceTracker &RT,
                                   const MaterializationUnit &MU) { … }

Error ELFNixPlatform::notifyRemoving(ResourceTracker &RT) { … }

static void addAliases(ExecutionSession &ES, SymbolAliasMap &Aliases,
                       ArrayRef<std::pair<const char *, const char *>> AL) { … }

Expected<SymbolAliasMap>
ELFNixPlatform::standardPlatformAliases(ExecutionSession &ES,
                                        JITDylib &PlatformJD) { … }

ArrayRef<std::pair<const char *, const char *>>
ELFNixPlatform::requiredCXXAliases() { … }

ArrayRef<std::pair<const char *, const char *>>
ELFNixPlatform::standardRuntimeUtilityAliases() { … }

bool ELFNixPlatform::supportedTarget(const Triple &TT) { … }

ELFNixPlatform::ELFNixPlatform(
    ObjectLinkingLayer &ObjLinkingLayer, JITDylib &PlatformJD,
    std::unique_ptr<DefinitionGenerator> OrcRuntimeGenerator, Error &Err)
    : … { … }

Error ELFNixPlatform::associateRuntimeSupportFunctions(JITDylib &PlatformJD) { … }

void ELFNixPlatform::pushInitializersLoop(
    PushInitializersSendResultFn SendResult, JITDylibSP JD) { … }

void ELFNixPlatform::rt_recordInitializers(
    PushInitializersSendResultFn SendResult, ExecutorAddr JDHeaderAddr) { … }

void ELFNixPlatform::rt_lookupSymbol(SendSymbolAddressFn SendResult,
                                     ExecutorAddr Handle,
                                     StringRef SymbolName) { … }

Error ELFNixPlatform::ELFNixPlatformPlugin::bootstrapPipelineStart(
    jitlink::LinkGraph &G) { … }

Error ELFNixPlatform::ELFNixPlatformPlugin::
    bootstrapPipelineRecordRuntimeFunctions(jitlink::LinkGraph &G) { … }

Error ELFNixPlatform::ELFNixPlatformPlugin::bootstrapPipelineEnd(
    jitlink::LinkGraph &G) { … }

Error ELFNixPlatform::registerPerObjectSections(
    jitlink::LinkGraph &G, const ELFPerObjectSectionsToRegister &POSR,
    bool IsBootstrapping) { … }

Expected<uint64_t> ELFNixPlatform::createPThreadKey() { … }

void ELFNixPlatform::ELFNixPlatformPlugin::modifyPassConfig(
    MaterializationResponsibility &MR, jitlink::LinkGraph &LG,
    jitlink::PassConfiguration &Config) { … }

void ELFNixPlatform::ELFNixPlatformPlugin::addDSOHandleSupportPasses(
    MaterializationResponsibility &MR, jitlink::PassConfiguration &Config) { … }

void ELFNixPlatform::ELFNixPlatformPlugin::addEHAndTLVSupportPasses(
    MaterializationResponsibility &MR, jitlink::PassConfiguration &Config,
    bool IsBootstrapping) { … }

Error ELFNixPlatform::ELFNixPlatformPlugin::preserveInitSections(
    jitlink::LinkGraph &G, MaterializationResponsibility &MR) { … }

Error ELFNixPlatform::ELFNixPlatformPlugin::registerInitSections(
    jitlink::LinkGraph &G, JITDylib &JD, bool IsBootstrapping) { … }

Error ELFNixPlatform::ELFNixPlatformPlugin::fixTLVSectionsAndEdges(
    jitlink::LinkGraph &G, JITDylib &JD) { … }

} // End namespace orc.
} // End namespace llvm.