summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorChad Rosier <mcrosier@apple.com>2012-08-21 16:15:24 +0000
committerChad Rosier <mcrosier@apple.com>2012-08-21 16:15:24 +0000
commit35907e98626b33f6406dc498201fc59ced282c8a (patch)
treeb117824fcfc8b15dc0ba06ddfab971e1e0a187c9 /tools
parent7996d045825373d2bd0dbc8ad1d47bb03e81c368 (diff)
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.cpp6
-rw-r--r--tools/lto/LTOModule.cpp6
2 files changed, 12 insertions, 0 deletions
diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index 8951050c07c..81f297f594a 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 fa5f6b78dbc..d588f6a61b0 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,