forked from OSchip/llvm-project
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
#include "llvm/ExecutionEngine/Orc/OrcABISupport.h"
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#include "llvm/ExecutionEngine/Orc/OrcRemoteTargetServer.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/DynamicLibrary.h"
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#include "llvm/Support/Process.h"
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#include <sstream>
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#include "../RemoteJITUtils.h"
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using namespace llvm;
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using namespace llvm::orc;
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using namespace llvm::sys;
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#ifdef __x86_64__
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typedef OrcX86_64_SysV HostOrcArch;
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#else
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typedef OrcGenericABI HostOrcArch;
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#endif
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ExitOnError ExitOnErr;
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int main(int argc, char *argv[]) {
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if (argc != 3) {
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errs() << "Usage: " << argv[0] << " <input fd> <output fd>\n";
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return 1;
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}
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ExitOnErr.setBanner(std::string(argv[0]) + ":");
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int InFD;
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int OutFD;
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{
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std::istringstream InFDStream(argv[1]), OutFDStream(argv[2]);
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InFDStream >> InFD;
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OutFDStream >> OutFD;
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}
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if (sys::DynamicLibrary::LoadLibraryPermanently(nullptr)) {
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errs() << "Error loading program symbols.\n";
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return 1;
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}
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auto SymbolLookup = [](const std::string &Name) {
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return RTDyldMemoryManager::getSymbolAddressInProcess(Name);
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};
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auto RegisterEHFrames = [](uint8_t *Addr, uint32_t Size) {
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RTDyldMemoryManager::registerEHFramesInProcess(Addr, Size);
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};
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auto DeregisterEHFrames = [](uint8_t *Addr, uint32_t Size) {
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RTDyldMemoryManager::deregisterEHFramesInProcess(Addr, Size);
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};
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FDRPCChannel Channel(InFD, OutFD);
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typedef remote::OrcRemoteTargetServer<FDRPCChannel, HostOrcArch> JITServer;
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JITServer Server(Channel, SymbolLookup, RegisterEHFrames, DeregisterEHFrames);
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while (1) {
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uint32_t RawId;
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ExitOnErr(Server.startReceivingFunction(Channel, RawId));
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auto Id = static_cast<JITServer::JITFuncId>(RawId);
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switch (Id) {
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case JITServer::TerminateSessionId:
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ExitOnErr(Server.handleTerminateSession());
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return 0;
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default:
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ExitOnErr(Server.handleKnownFunction(Id));
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break;
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}
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}
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close(InFD);
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close(OutFD);
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return 0;
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}
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