mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
Provide exception handling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17787 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
parent
5e081fb74a
commit
4c1af902ad
@ -157,120 +157,134 @@ int main(int argc, char **argv, char **envp) {
|
||||
cl::ParseCommandLineOptions(argc, argv, " llvm linker for GCC\n");
|
||||
sys::PrintStackTraceOnErrorSignal();
|
||||
|
||||
std::string ModuleID("gccld-output");
|
||||
std::auto_ptr<Module> Composite(new Module(ModuleID));
|
||||
int exitCode = 0;
|
||||
|
||||
// We always look first in the current directory when searching for libraries.
|
||||
LibPaths.insert(LibPaths.begin(), ".");
|
||||
try {
|
||||
std::string ModuleID("gccld-output");
|
||||
std::auto_ptr<Module> Composite(new Module(ModuleID));
|
||||
|
||||
// If the user specified an extra search path in their environment, respect
|
||||
// it.
|
||||
if (char *SearchPath = getenv("LLVM_LIB_SEARCH_PATH"))
|
||||
LibPaths.push_back(SearchPath);
|
||||
// We always look first in the current directory when searching for libraries.
|
||||
LibPaths.insert(LibPaths.begin(), ".");
|
||||
|
||||
// Remove any consecutive duplicates of the same library...
|
||||
Libraries.erase(std::unique(Libraries.begin(), Libraries.end()),
|
||||
Libraries.end());
|
||||
// If the user specified an extra search path in their environment, respect
|
||||
// it.
|
||||
if (char *SearchPath = getenv("LLVM_LIB_SEARCH_PATH"))
|
||||
LibPaths.push_back(SearchPath);
|
||||
|
||||
// Link in all of the files
|
||||
if (LinkFiles(argv[0], Composite.get(), InputFilenames, Verbose))
|
||||
return 1; // Error already printed
|
||||
// Remove any consecutive duplicates of the same library...
|
||||
Libraries.erase(std::unique(Libraries.begin(), Libraries.end()),
|
||||
Libraries.end());
|
||||
|
||||
if (!LinkAsLibrary)
|
||||
LinkLibraries(argv[0], Composite.get(), Libraries, LibPaths,
|
||||
Verbose, Native);
|
||||
// Link in all of the files
|
||||
if (LinkFiles(argv[0], Composite.get(), InputFilenames, Verbose))
|
||||
return 1; // Error already printed
|
||||
|
||||
// Link in all of the libraries next...
|
||||
if (!LinkAsLibrary)
|
||||
LinkLibraries(argv[0], Composite.get(), Libraries, LibPaths,
|
||||
Verbose, Native);
|
||||
|
||||
// Create the output file.
|
||||
std::string RealBytecodeOutput = OutputFilename;
|
||||
if (!LinkAsLibrary) RealBytecodeOutput += ".bc";
|
||||
std::ofstream Out(RealBytecodeOutput.c_str());
|
||||
if (!Out.good())
|
||||
return PrintAndReturn(argv[0], "error opening '" + RealBytecodeOutput +
|
||||
"' for writing!");
|
||||
// Link in all of the libraries next...
|
||||
|
||||
// Ensure that the bytecode file gets removed from the disk if we get a
|
||||
// SIGINT signal.
|
||||
sys::RemoveFileOnSignal(RealBytecodeOutput);
|
||||
// Create the output file.
|
||||
std::string RealBytecodeOutput = OutputFilename;
|
||||
if (!LinkAsLibrary) RealBytecodeOutput += ".bc";
|
||||
std::ofstream Out(RealBytecodeOutput.c_str());
|
||||
if (!Out.good())
|
||||
return PrintAndReturn(argv[0], "error opening '" + RealBytecodeOutput +
|
||||
"' for writing!");
|
||||
|
||||
// Generate the bytecode file.
|
||||
if (GenerateBytecode(Composite.get(), Strip, !NoInternalize, &Out)) {
|
||||
Out.close();
|
||||
return PrintAndReturn(argv[0], "error generating bytecode");
|
||||
}
|
||||
// Ensure that the bytecode file gets removed from the disk if we get a
|
||||
// SIGINT signal.
|
||||
sys::RemoveFileOnSignal(sys::Path(RealBytecodeOutput));
|
||||
|
||||
// Close the bytecode file.
|
||||
Out.close();
|
||||
|
||||
// If we are not linking a library, generate either a native executable
|
||||
// or a JIT shell script, depending upon what the user wants.
|
||||
if (!LinkAsLibrary) {
|
||||
// If the user wants to generate a native executable, compile it from the
|
||||
// bytecode file.
|
||||
//
|
||||
// Otherwise, create a script that will run the bytecode through the JIT.
|
||||
if (Native) {
|
||||
// Name of the Assembly Language output file
|
||||
std::string AssemblyFile = OutputFilename + ".s";
|
||||
|
||||
// Mark the output files for removal if we get an interrupt.
|
||||
sys::RemoveFileOnSignal(AssemblyFile);
|
||||
sys::RemoveFileOnSignal(OutputFilename);
|
||||
|
||||
// Determine the locations of the llc and gcc programs.
|
||||
std::string llc = FindExecutable("llc", argv[0]);
|
||||
std::string gcc = FindExecutable("gcc", argv[0]);
|
||||
if (llc.empty())
|
||||
return PrintAndReturn(argv[0], "Failed to find llc");
|
||||
|
||||
if (gcc.empty())
|
||||
return PrintAndReturn(argv[0], "Failed to find gcc");
|
||||
|
||||
// Generate an assembly language file for the bytecode.
|
||||
if (Verbose) std::cout << "Generating Assembly Code\n";
|
||||
GenerateAssembly(AssemblyFile, RealBytecodeOutput, llc, envp);
|
||||
if (Verbose) std::cout << "Generating Native Code\n";
|
||||
GenerateNative(OutputFilename, AssemblyFile, Libraries, LibPaths,
|
||||
gcc, envp);
|
||||
|
||||
// Remove the assembly language file.
|
||||
removeFile (AssemblyFile);
|
||||
} else if (NativeCBE) {
|
||||
std::string CFile = OutputFilename + ".cbe.c";
|
||||
|
||||
// Mark the output files for removal if we get an interrupt.
|
||||
sys::RemoveFileOnSignal(CFile);
|
||||
sys::RemoveFileOnSignal(OutputFilename);
|
||||
|
||||
// Determine the locations of the llc and gcc programs.
|
||||
std::string llc = FindExecutable("llc", argv[0]);
|
||||
std::string gcc = FindExecutable("gcc", argv[0]);
|
||||
if (llc.empty())
|
||||
return PrintAndReturn(argv[0], "Failed to find llc");
|
||||
if (gcc.empty())
|
||||
return PrintAndReturn(argv[0], "Failed to find gcc");
|
||||
|
||||
// Generate an assembly language file for the bytecode.
|
||||
if (Verbose) std::cout << "Generating Assembly Code\n";
|
||||
GenerateCFile(CFile, RealBytecodeOutput, llc, envp);
|
||||
if (Verbose) std::cout << "Generating Native Code\n";
|
||||
GenerateNative(OutputFilename, CFile, Libraries, LibPaths, gcc, envp);
|
||||
|
||||
// Remove the assembly language file.
|
||||
removeFile(CFile);
|
||||
|
||||
} else {
|
||||
EmitShellScript(argv);
|
||||
// Generate the bytecode file.
|
||||
if (GenerateBytecode(Composite.get(), Strip, !NoInternalize, &Out)) {
|
||||
Out.close();
|
||||
return PrintAndReturn(argv[0], "error generating bytecode");
|
||||
}
|
||||
|
||||
// Make the script executable...
|
||||
MakeFileExecutable(OutputFilename);
|
||||
|
||||
// Make the bytecode file readable and directly executable in LLEE as well
|
||||
MakeFileExecutable(RealBytecodeOutput);
|
||||
MakeFileReadable(RealBytecodeOutput);
|
||||
// Close the bytecode file.
|
||||
Out.close();
|
||||
|
||||
// If we are not linking a library, generate either a native executable
|
||||
// or a JIT shell script, depending upon what the user wants.
|
||||
if (!LinkAsLibrary) {
|
||||
// If the user wants to generate a native executable, compile it from the
|
||||
// bytecode file.
|
||||
//
|
||||
// Otherwise, create a script that will run the bytecode through the JIT.
|
||||
if (Native) {
|
||||
// Name of the Assembly Language output file
|
||||
std::string AssemblyFile = OutputFilename + ".s";
|
||||
|
||||
// Mark the output files for removal if we get an interrupt.
|
||||
sys::RemoveFileOnSignal(sys::Path(AssemblyFile));
|
||||
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
|
||||
|
||||
// Determine the locations of the llc and gcc programs.
|
||||
std::string llc = FindExecutable("llc", argv[0]);
|
||||
std::string gcc = FindExecutable("gcc", argv[0]);
|
||||
if (llc.empty())
|
||||
return PrintAndReturn(argv[0], "Failed to find llc");
|
||||
|
||||
if (gcc.empty())
|
||||
return PrintAndReturn(argv[0], "Failed to find gcc");
|
||||
|
||||
// Generate an assembly language file for the bytecode.
|
||||
if (Verbose) std::cout << "Generating Assembly Code\n";
|
||||
GenerateAssembly(AssemblyFile, RealBytecodeOutput, llc, envp);
|
||||
if (Verbose) std::cout << "Generating Native Code\n";
|
||||
GenerateNative(OutputFilename, AssemblyFile, Libraries, LibPaths,
|
||||
gcc, envp);
|
||||
|
||||
// Remove the assembly language file.
|
||||
removeFile (AssemblyFile);
|
||||
} else if (NativeCBE) {
|
||||
std::string CFile = OutputFilename + ".cbe.c";
|
||||
|
||||
// Mark the output files for removal if we get an interrupt.
|
||||
sys::RemoveFileOnSignal(sys::Path(CFile));
|
||||
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
|
||||
|
||||
// Determine the locations of the llc and gcc programs.
|
||||
std::string llc = FindExecutable("llc", argv[0]);
|
||||
std::string gcc = FindExecutable("gcc", argv[0]);
|
||||
if (llc.empty())
|
||||
return PrintAndReturn(argv[0], "Failed to find llc");
|
||||
if (gcc.empty())
|
||||
return PrintAndReturn(argv[0], "Failed to find gcc");
|
||||
|
||||
// Generate an assembly language file for the bytecode.
|
||||
if (Verbose) std::cout << "Generating Assembly Code\n";
|
||||
GenerateCFile(CFile, RealBytecodeOutput, llc, envp);
|
||||
if (Verbose) std::cout << "Generating Native Code\n";
|
||||
GenerateNative(OutputFilename, CFile, Libraries, LibPaths, gcc, envp);
|
||||
|
||||
// Remove the assembly language file.
|
||||
removeFile(CFile);
|
||||
|
||||
} else {
|
||||
EmitShellScript(argv);
|
||||
}
|
||||
|
||||
// Make the script executable...
|
||||
MakeFileExecutable(OutputFilename);
|
||||
|
||||
// Make the bytecode file readable and directly executable in LLEE as well
|
||||
MakeFileExecutable(RealBytecodeOutput);
|
||||
MakeFileReadable(RealBytecodeOutput);
|
||||
}
|
||||
} catch (const char*msg) {
|
||||
std::cerr << argv[0] << ": " << msg << "\n";
|
||||
exitCode = 1;
|
||||
} catch (const std::string& msg) {
|
||||
std::cerr << argv[0] << ": " << msg << "\n";
|
||||
exitCode = 2;
|
||||
} catch (...) {
|
||||
// This really shouldn't happen, but just in case ....
|
||||
std::cerr << argv[0] << ": An nexpected unknown exception occurred.\n";
|
||||
exitCode = 3;
|
||||
}
|
||||
|
||||
return 0;
|
||||
return exitCode;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user