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Require -pie when linking with ASan on Android.

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llvm-svn: 157923
This commit is contained in:
Evgeniy Stepanov
2012-06-04 11:15:05 +00:00
parent 06f2cd38c1
commit ea155f0153
2 changed files with 4 additions and 0 deletions
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2
clang/include/clang/Basic/DiagnosticDriverKinds.td
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@@ -97,6 +97,8 @@ def err_arc_unsupported : Error<
"-fobjc-arc is not supported on current deployment target">;
def err_drv_mg_requires_m_or_mm : Error<
"option '-MG' requires '-M' or '-MM'">;
def err_drv_asan_android_requires_pie : Error<
"AddressSanitizer on Android requires '-pie'">;
def warn_c_kext : Warning<
"ignoring -fapple-kext which is valid for c++ and objective-c++ only">;

2
clang/lib/Driver/Tools.cpp
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@@ -1290,6 +1290,8 @@ static void addAsanRTLinux(const ToolChain &TC, const ArgList &Args,
return;
if(TC.getTriple().getEnvironment() == llvm::Triple::ANDROIDEABI) {
if (!Args.hasArg(options::OPT_shared)) {
if (!Args.hasArg(options::OPT_pie))
TC.getDriver().Diag(diag::err_drv_asan_android_requires_pie);
// For an executable, we add a .preinit_array stub.
CmdArgs.push_back("-u");
CmdArgs.push_back("__asan_preinit");