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author | Andrew Trick <atrick@apple.com> | 2011-05-11 16:31:24 +0000 |
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committer | Andrew Trick <atrick@apple.com> | 2011-05-11 16:31:24 +0000 |
commit | 55aeb55aa3aa71289e4a37acb0af9fb56be7e3f6 (patch) | |
tree | 758aeac15e42cfcf1518f6bbf7198a7e7c72d15c /llvm/lib/Support/Unix/Program.inc | |
parent | 2b5e8504c8ebefc62e4239087e4b06545bd8c9d9 (diff) | |
download | bcm5719-llvm-55aeb55aa3aa71289e4a37acb0af9fb56be7e3f6.tar.gz bcm5719-llvm-55aeb55aa3aa71289e4a37acb0af9fb56be7e3f6.zip |
Bugpoint support for miscompilations that result in a crash.
This change allows bugpoint to pinpoint the "opt" pass and bitcode
segment responsible for a crash caused by miscompilation. At least it
works well for me now, without having to create any custom execution
wrappers.
llvm-svn: 131186
Diffstat (limited to 'llvm/lib/Support/Unix/Program.inc')
-rw-r--r-- | llvm/lib/Support/Unix/Program.inc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Support/Unix/Program.inc b/llvm/lib/Support/Unix/Program.inc index 9f0a9ef0523..86f3aa9eaca 100644 --- a/llvm/lib/Support/Unix/Program.inc +++ b/llvm/lib/Support/Unix/Program.inc @@ -298,7 +298,8 @@ Program::Execute(const Path &path, const char **args, const char **envp, int Program::Wait(const sys::Path &path, unsigned secondsToWait, - std::string* ErrMsg) + std::string* ErrMsg, + const char* SignalPrefix) { #ifdef HAVE_SYS_WAIT_H struct sigaction Act, Old; @@ -376,7 +377,9 @@ Program::Wait(const sys::Path &path, } } else if (WIFSIGNALED(status)) { if (ErrMsg) { - *ErrMsg = strsignal(WTERMSIG(status)); + if (SignalPrefix) + *ErrMsg = SignalPrefix; + *ErrMsg += strsignal(WTERMSIG(status)); #ifdef WCOREDUMP if (WCOREDUMP(status)) *ErrMsg += " (core dumped)"; |