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author | Chad Rosier <mcrosier@apple.com> | 2012-08-21 16:15:24 +0000 |
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committer | Chad Rosier <mcrosier@apple.com> | 2012-08-21 16:15:24 +0000 |
commit | 35907e98626b33f6406dc498201fc59ced282c8a (patch) | |
tree | b117824fcfc8b15dc0ba06ddfab971e1e0a187c9 /tools | |
parent | 7996d045825373d2bd0dbc8ad1d47bb03e81c368 (diff) | |
download | llvm-35907e98626b33f6406dc498201fc59ced282c8a.tar.gz llvm-35907e98626b33f6406dc498201fc59ced282c8a.tar.bz2 llvm-35907e98626b33f6406dc498201fc59ced282c8a.tar.xz |
Add support for the --param ssp-buffer-size= driver option.
PR9673
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162284 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools')
-rw-r--r-- | tools/llc/llc.cpp | 6 | ||||
-rw-r--r-- | tools/lto/LTOModule.cpp | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp index 8951050c07..81f297f594 100644 --- a/tools/llc/llc.cpp +++ b/tools/llc/llc.cpp @@ -268,6 +268,11 @@ static cl::opt<std::string> StartAfter("start-after", cl::value_desc("pass-name"), cl::init("")); +static cl::opt<unsigned> +SSPBufferSize("stack-protector-buffer-size", cl::init(8), + cl::desc("Lower bound for a buffer to be considered for " + "stack protection")); + // GetFileNameRoot - Helper function to get the basename of a filename. static inline std::string GetFileNameRoot(const std::string &InputFilename) { @@ -459,6 +464,7 @@ int main(int argc, char **argv) { Options.PositionIndependentExecutable = EnablePIE; Options.EnableSegmentedStacks = SegmentedStacks; Options.UseInitArray = UseInitArray; + Options.SSPBufferSize = SSPBufferSize; std::auto_ptr<TargetMachine> target(TheTarget->createTargetMachine(TheTriple.getTriple(), diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp index fa5f6b78db..d588f6a61b 100644 --- a/tools/lto/LTOModule.cpp +++ b/tools/lto/LTOModule.cpp @@ -150,6 +150,11 @@ UseInitArray("use-init-array", cl::desc("Use .init_array instead of .ctors."), cl::init(false)); +static cl::opt<unsigned> +SSPBufferSize("stack-protector-buffer-size", cl::init(8), + cl::desc("Lower bound for a buffer to be considered for " + "stack protection")); + LTOModule::LTOModule(llvm::Module *m, llvm::TargetMachine *t) : _module(m), _target(t), _context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(), NULL), @@ -252,6 +257,7 @@ void LTOModule::getTargetOptions(TargetOptions &Options) { Options.PositionIndependentExecutable = EnablePIE; Options.EnableSegmentedStacks = SegmentedStacks; Options.UseInitArray = UseInitArray; + Options.SSPBufferSize = SSPBufferSize; } LTOModule *LTOModule::makeLTOModule(MemoryBuffer *buffer, |