1#include "llvm/ExecutionEngine/Orc/OrcABISupport.h"
2#include "llvm/ExecutionEngine/Orc/OrcRemoteTargetServer.h"
3#include "llvm/Support/Debug.h"
4#include "llvm/Support/DynamicLibrary.h"
5#include "llvm/Support/Process.h"
6#include <sstream>
7
8#include "../RemoteJITUtils.h"
9
10using namespace llvm;
11using namespace llvm::orc;
12using namespace llvm::sys;
13
14#ifdef __x86_64__
15typedef OrcX86_64_SysV HostOrcArch;
16#else
17typedef OrcGenericABI HostOrcArch;
18#endif
19
20ExitOnError ExitOnErr;
21
22int main(int argc, char *argv[]) {
23
24  if (argc != 3) {
25    errs() << "Usage: " << argv[0] << " <input fd> <output fd>\n";
26    return 1;
27  }
28
29  ExitOnErr.setBanner(std::string(argv[0]) + ":");
30
31  int InFD;
32  int OutFD;
33  {
34    std::istringstream InFDStream(argv[1]), OutFDStream(argv[2]);
35    InFDStream >> InFD;
36    OutFDStream >> OutFD;
37  }
38
39  if (sys::DynamicLibrary::LoadLibraryPermanently(nullptr)) {
40    errs() << "Error loading program symbols.\n";
41    return 1;
42  }
43
44  auto SymbolLookup = [](const std::string &Name) {
45    return RTDyldMemoryManager::getSymbolAddressInProcess(Name);
46  };
47
48  auto RegisterEHFrames = [](uint8_t *Addr, uint32_t Size) {
49    RTDyldMemoryManager::registerEHFramesInProcess(Addr, Size);
50  };
51
52  auto DeregisterEHFrames = [](uint8_t *Addr, uint32_t Size) {
53    RTDyldMemoryManager::deregisterEHFramesInProcess(Addr, Size);
54  };
55
56  FDRawChannel Channel(InFD, OutFD);
57  typedef remote::OrcRemoteTargetServer<FDRawChannel, HostOrcArch> JITServer;
58  JITServer Server(Channel, SymbolLookup, RegisterEHFrames, DeregisterEHFrames);
59
60  while (!Server.receivedTerminate())
61    ExitOnErr(Server.handleOne());
62
63  close(InFD);
64  close(OutFD);
65
66  return 0;
67}
68