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Index: cfe/include/clang/Driver/Options.td
===================================================================
--- cfe/include/clang/Driver/Options.td
+++ cfe/include/clang/Driver/Options.td
@@ -1957,6 +1957,7 @@
def mno_altivec : Flag<["-"], "mno-altivec">, Group<m_ppc_Features_Group>;
def mvsx : Flag<["-"], "mvsx">, Group<m_ppc_Features_Group>;
def mno_vsx : Flag<["-"], "mno-vsx">, Group<m_ppc_Features_Group>;
+def msecure_plt : Flag<["-"], "msecure-plt">, Group<m_ppc_Features_Group>;
def mpower8_vector : Flag<["-"], "mpower8-vector">,
Group<m_ppc_Features_Group>;
def mno_power8_vector : Flag<["-"], "mno-power8-vector">,
Index: cfe/lib/Driver/ToolChains/Arch/PPC.h
===================================================================
--- cfe/lib/Driver/ToolChains/Arch/PPC.h
+++ cfe/lib/Driver/ToolChains/Arch/PPC.h
@@ -29,10 +29,17 @@
Hard,
};
+enum class ReadGOTPtrMode {
+ Bss,
+ SecurePlt,
+};
+
FloatABI getPPCFloatABI(const Driver &D, const llvm::opt::ArgList &Args);
std::string getPPCTargetCPU(const llvm::opt::ArgList &Args);
const char *getPPCAsmModeForCPU(StringRef Name);
+ReadGOTPtrMode getPPCReadGOTPtrMode(const Driver &D,
+ const llvm::opt::ArgList &Args);
void getPPCTargetFeatures(const Driver &D, const llvm::Triple &Triple,
const llvm::opt::ArgList &Args,
Index: cfe/lib/Driver/ToolChains/Arch/PPC.cpp
===================================================================
--- cfe/lib/Driver/ToolChains/Arch/PPC.cpp
+++ cfe/lib/Driver/ToolChains/Arch/PPC.cpp
@@ -106,6 +106,16 @@
ppc::FloatABI FloatABI = ppc::getPPCFloatABI(D, Args);
if (FloatABI == ppc::FloatABI::Soft)
Features.push_back("-hard-float");
+
+ ppc::ReadGOTPtrMode ReadGOT = ppc::getPPCReadGOTPtrMode(D, Args);
+ if (ReadGOT == ppc::ReadGOTPtrMode::SecurePlt)
+ Features.push_back("+secure-plt");
+}
+
+ppc::ReadGOTPtrMode ppc::getPPCReadGOTPtrMode(const Driver &D, const ArgList &Args) {
+ if (Args.getLastArg(options::OPT_msecure_plt))
+ return ppc::ReadGOTPtrMode::SecurePlt;
+ return ppc::ReadGOTPtrMode::Bss;
}
ppc::FloatABI ppc::getPPCFloatABI(const Driver &D, const ArgList &Args) {
Index: cfe/test/Driver/ppc-features.cpp
===================================================================
--- cfe/test/Driver/ppc-features.cpp
+++ cfe/test/Driver/ppc-features.cpp
@@ -22,6 +22,10 @@
// RUN: %clang -target powerpc-unknown-linux-gnu %s -msoft-float -mhard-float -### -o %t.o 2>&1 | FileCheck --check-prefix=CHECK-SOFTHARD %s
// CHECK-SOFTHARD-NOT: "-target-feature" "-hard-float"
+// check -msecure-plt option for ppc32
+// RUN: %clang -target powerpc-unknown-linux-gnu -msecure-plt %s -### -o %t.o 2>&1 | FileCheck --check-prefix=CHECK-SECUREPLT %s
+// CHECK-SECUREPLT: "-target-feature" "+secure-plt"
+
// check -mfloat-abi=x option
// RUN: %clang -target powerpc-unknown-linux-gnu %s -mfloat-abi=x -### -o %t.o 2>&1 | FileCheck --check-prefix=CHECK-ERRMSG %s
// CHECK-ERRMSG: error: invalid float ABI '-mfloat-abi=x'
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