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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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119
tools/llvm-link/llvm-link.cpp
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@ -75,70 +75,77 @@ static inline std::auto_ptr<Module> LoadFile(const std::string &FN) {
}
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm linker\n");
sys::PrintStackTraceOnErrorSignal();
assert(InputFilenames.size() > 0 && "OneOrMore is not working");
try {
cl::ParseCommandLineOptions(argc, argv, " llvm linker\n");
sys::PrintStackTraceOnErrorSignal();
assert(InputFilenames.size() > 0 && "OneOrMore is not working");
unsigned BaseArg = 0;
std::string ErrorMessage;
unsigned BaseArg = 0;
std::string ErrorMessage;
std::auto_ptr<Module> Composite(LoadFile(InputFilenames[BaseArg]));
if (Composite.get() == 0) {
std::cerr << argv[0] << ": error loading file '"
<< InputFilenames[BaseArg] << "'\n";
return 1;
}
for (unsigned i = BaseArg+1; i < InputFilenames.size(); ++i) {
std::auto_ptr<Module> M(LoadFile(InputFilenames[i]));
if (M.get() == 0) {
std::auto_ptr<Module> Composite(LoadFile(InputFilenames[BaseArg]));
if (Composite.get() == 0) {
std::cerr << argv[0] << ": error loading file '"
<< InputFilenames[i] << "'\n";
<< InputFilenames[BaseArg] << "'\n";
return 1;
}
if (Verbose) std::cerr << "Linking in '" << InputFilenames[i] << "'\n";
for (unsigned i = BaseArg+1; i < InputFilenames.size(); ++i) {
std::auto_ptr<Module> M(LoadFile(InputFilenames[i]));
if (M.get() == 0) {
std::cerr << argv[0] << ": error loading file '"
<< InputFilenames[i] << "'\n";
return 1;
}
if (Linker::LinkModules(Composite.get(), M.get(), &ErrorMessage)) {
std::cerr << argv[0] << ": link error in '" << InputFilenames[i]
<< "': " << ErrorMessage << "\n";
if (Verbose) std::cerr << "Linking in '" << InputFilenames[i] << "'\n";
if (Linker::LinkModules(Composite.get(), M.get(), &ErrorMessage)) {
std::cerr << argv[0] << ": link error in '" << InputFilenames[i]
<< "': " << ErrorMessage << "\n";
return 1;
}
}
// TODO: Iterate over the -l list and link in any modules containing
// global symbols that have not been resolved so far.
if (DumpAsm) std::cerr << "Here's the assembly:\n" << Composite.get();
std::ostream *Out = &std::cout; // Default to printing to stdout...
if (OutputFilename != "-") {
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
std::cerr << argv[0] << ": error opening '" << OutputFilename
<< "': file exists!\n"
<< "Use -f command line argument to force output\n";
return 1;
}
Out = new std::ofstream(OutputFilename.c_str());
if (!Out->good()) {
std::cerr << argv[0] << ": error opening '" << OutputFilename << "'!\n";
return 1;
}
// Make sure that the Out file gets unlinked from the disk if we get a
// SIGINT
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
}
if (verifyModule(*Composite.get())) {
std::cerr << argv[0] << ": linked module is broken!\n";
return 1;
}
if (Verbose) std::cerr << "Writing bytecode...\n";
WriteBytecodeToFile(Composite.get(), *Out, !NoCompress);
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";
}
// TODO: Iterate over the -l list and link in any modules containing
// global symbols that have not been resolved so far.
if (DumpAsm) std::cerr << "Here's the assembly:\n" << Composite.get();
std::ostream *Out = &std::cout; // Default to printing to stdout...
if (OutputFilename != "-") {
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
std::cerr << argv[0] << ": error opening '" << OutputFilename
<< "': file exists!\n"
<< "Use -f command line argument to force output\n";
return 1;
}
Out = new std::ofstream(OutputFilename.c_str());
if (!Out->good()) {
std::cerr << argv[0] << ": error opening '" << OutputFilename << "'!\n";
return 1;
}
// Make sure that the Out file gets unlinked from the disk if we get a
// SIGINT
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
}
if (verifyModule(*Composite.get())) {
std::cerr << argv[0] << ": linked module is broken!\n";
return 1;
}
if (Verbose) std::cerr << "Writing bytecode...\n";
WriteBytecodeToFile(Composite.get(), *Out, !NoCompress);
if (Out != &std::cout) delete Out;
return 0;
return 1;
}