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Make llvm-ld remove its output files in the event of an error.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99719 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-03-27 16:49:51 +00:00
parent a5d0501b59
commit 00ad278500
1 changed files with 18 additions and 6 deletions
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24
tools/llvm-ld/llvm-ld.cpp
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@ -30,6 +30,7 @@
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
@ -124,6 +125,10 @@ static cl::opt<std::string> CO9("m", cl::Hidden,
/// everywhere.
static std::string progname;
/// FileRemover objects to clean up output files in the event of an error.
static FileRemover OutputRemover;
static FileRemover BitcodeOutputRemover;
/// PrintAndExit - Prints a message to standard error and exits with error code
///
/// Inputs:
@ -236,10 +241,6 @@ void GenerateBitcode(Module* M, const std::string& FileName) {
if (!ErrorInfo.empty())
PrintAndExit(ErrorInfo, M);
// Ensure that the bitcode file gets removed from the disk if we get a
// terminating signal.
sys::RemoveFileOnSignal(sys::Path(FileName));
// Write it out
WriteBitcodeToFile(M, Out);
}
@ -582,8 +583,17 @@ int main(int argc, char **argv, char **envp) {
if (!LinkAsLibrary) BitcodeOutputFilename += ".bc";
}
// Arrange for the bitcode output file to be deleted on any errors.
BitcodeOutputRemover = FileRemover(sys::Path(BitcodeOutputFilename));
sys::RemoveFileOnSignal(sys::Path(BitcodeOutputFilename));
// Generate the bitcode output.
GenerateBitcode(Composite.get(), BitcodeOutputFilename);
// Arrange for the output file to be deleted on any errors.
OutputRemover = FileRemover(sys::Path(OutputFilename));
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
// 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) {
@ -636,7 +646,6 @@ int main(int argc, char **argv, char **envp) {
// Mark the output files for removal if we get an interrupt.
sys::RemoveFileOnSignal(AssemblyFile);
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
// Determine the locations of the llc and gcc programs.
sys::Path llc = FindExecutable("llc", argv[0],
@ -666,7 +675,6 @@ int main(int argc, char **argv, char **envp) {
// Mark the output files for removal if we get an interrupt.
sys::RemoveFileOnSignal(CFile);
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
// Determine the locations of the llc and gcc programs.
sys::Path llc = FindExecutable("llc", argv[0],
@ -707,6 +715,10 @@ int main(int argc, char **argv, char **envp) {
PrintAndExit(ErrMsg, Composite.get());
}
// Operations which may fail are now complete.
OutputRemover.releaseFile();
BitcodeOutputRemover.releaseFile();
// Graceful exit
return 0;
}