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For PR351:

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* Place a try/catch block around the entire tool to Make sure std::string
  exceptions are caught and printed before exiting the tool.
* Make sure we catch unhandled exceptions at the top level so that we don't
  abort with a useless message but indicate than an unhandled exception was
  generated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19192 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2004-12-30 05:36:08 +00:00
parent c18671cdcd
commit 1ef8bdaedb
17 changed files with 960 additions and 852 deletions
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tools/gccas/gccas.cpp
+77 -69
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@@ -128,77 +128,85 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm .s -> .o assembler for GCC\n");
sys::PrintStackTraceOnErrorSignal();
std::auto_ptr<Module> M;
try {
// Parse the file now...
M.reset(ParseAssemblyFile(InputFilename));
} catch (const ParseException &E) {
std::cerr << argv[0] << ": " << E.getMessage() << "\n";
return 1;
}
cl::ParseCommandLineOptions(argc, argv,
" llvm .s -> .o assembler for GCC\n");
sys::PrintStackTraceOnErrorSignal();
if (M.get() == 0) {
std::cerr << argv[0] << ": assembly didn't read correctly.\n";
return 1;
}
std::ostream *Out = 0;
if (OutputFilename == "") { // Didn't specify an output filename?
if (InputFilename == "-") {
OutputFilename = "-";
} else {
std::string IFN = InputFilename;
int Len = IFN.length();
if (IFN[Len-2] == '.' && IFN[Len-1] == 's') { // Source ends in .s?
OutputFilename = std::string(IFN.begin(), IFN.end()-2);
} else {
OutputFilename = IFN; // Append a .o to it
}
OutputFilename += ".o";
std::auto_ptr<Module> M;
try {
// Parse the file now...
M.reset(ParseAssemblyFile(InputFilename));
} catch (const ParseException &E) {
std::cerr << argv[0] << ": " << E.getMessage() << "\n";
return 1;
}
if (M.get() == 0) {
std::cerr << argv[0] << ": assembly didn't read correctly.\n";
return 1;
}
std::ostream *Out = 0;
if (OutputFilename == "") { // Didn't specify an output filename?
if (InputFilename == "-") {
OutputFilename = "-";
} else {
std::string IFN = InputFilename;
int Len = IFN.length();
if (IFN[Len-2] == '.' && IFN[Len-1] == 's') { // Source ends in .s?
OutputFilename = std::string(IFN.begin(), IFN.end()-2);
} else {
OutputFilename = IFN; // Append a .o to it
}
OutputFilename += ".o";
}
}
if (OutputFilename == "-")
Out = &std::cout;
else {
Out = new std::ofstream(OutputFilename.c_str(), std::ios::out);
// Make sure that the Out file gets unlinked from the disk if we get a
// signal
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
}
if (!Out->good()) {
std::cerr << argv[0] << ": error opening " << OutputFilename << "!\n";
return 1;
}
// In addition to just parsing the input from GCC, we also want to spiff it up
// a little bit. Do this now.
//
PassManager Passes;
// Add an appropriate TargetData instance for this module...
Passes.add(new TargetData("gccas", M.get()));
// Add all of the transformation passes to the pass manager to do the cleanup
// and optimization of the GCC output.
//
AddConfiguredTransformationPasses(Passes);
// Make sure everything is still good.
Passes.add(createVerifierPass());
// Write bytecode to file...
Passes.add(new WriteBytecodePass(Out,false,!NoCompress));
// Run our queue of passes all at once now, efficiently.
Passes.run(*M.get());
if (Out != &std::cout) delete Out;
return 0;
} catch (const std::string& msg) {
std::cerr << argv[0] << ": " << msg << "\n";
} catch (...) {
std::cerr << argv[0] << ": Unexpected unknown exception occurred.\n";
}
if (OutputFilename == "-")
Out = &std::cout;
else {
Out = new std::ofstream(OutputFilename.c_str(), std::ios::out);
// Make sure that the Out file gets unlinked from the disk if we get a
// signal
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
}
if (!Out->good()) {
std::cerr << argv[0] << ": error opening " << OutputFilename << "!\n";
return 1;
}
// In addition to just parsing the input from GCC, we also want to spiff it up
// a little bit. Do this now.
//
PassManager Passes;
// Add an appropriate TargetData instance for this module...
Passes.add(new TargetData("gccas", M.get()));
// Add all of the transformation passes to the pass manager to do the cleanup
// and optimization of the GCC output.
//
AddConfiguredTransformationPasses(Passes);
// Make sure everything is still good.
Passes.add(createVerifierPass());
// Write bytecode to file...
Passes.add(new WriteBytecodePass(Out,false,!NoCompress));
// Run our queue of passes all at once now, efficiently.
Passes.run(*M.get());
if (Out != &std::cout) delete Out;
return 0;
return 1;
}