DefaultStackProtector

Author: arsenm

llvm/include/llvm/IR/RuntimeLibcalls.td

@@ -1153,6 +1153,9 @@ defvar LibmHasLdexpF128 = LibcallImpls<(add ldexp_f128), isNotOSWindowsOrIsCygwi
 defvar has__stack_chk_fail = LibcallImpls<(add __stack_chk_fail), isNotOSOpenBSD>;
 defvar has__stack_smash_handler = LibcallImpls<(add __stack_smash_handler), isOSOpenBSD>;
 
+defvar DefaultStackProtector = (add has__stack_chk_fail,
+                                    has__stack_smash_handler);
+
 //===----------------------------------------------------------------------===//
 // Objective-C Runtime Libcalls
 //===----------------------------------------------------------------------===//
@@ -1230,7 +1233,7 @@ def AArch64SystemLibrary : SystemRuntimeLibrary<
        DarwinExp10, DarwinSinCosStret,
        LibmHasSinCosF32, LibmHasSinCosF64, LibmHasSinCosF128,
        DefaultLibmExp10,
-       has__stack_chk_fail, has__stack_smash_handler)
+       DefaultStackProtector)
 >;
 
 // Prepend a # to every name
@@ -1507,7 +1510,7 @@ def ARMSystemLibrary
            LibcallImpls<(add __divmodsi4, __udivmodsi4),
                         RuntimeLibcallPredicate<[{TT.isOSBinFormatMachO() &&
                                                   (!TT.isiOS() || !TT.isOSVersionLT(5, 0))}]>>,
-           has__stack_chk_fail, has__stack_smash_handler)> {
+           DefaultStackProtector)> {
   let DefaultLibcallCallingConv = LibcallCallingConv<[{
      (!TT.isOSDarwin() && !TT.isiOS() && !TT.isWatchOS() && !TT.isDriverKit()) ?
         (FloatABI == FloatABI::Hard ? CallingConv::ARM_AAPCS_VFP
@@ -2016,7 +2019,7 @@ def PPCSystemLibrary
            LibmHasSinCosPPCF128,
            AvailableIf<memcpy, isNotAIX>,
            LibcallImpls<(add Int128RTLibcalls), isPPC64>,
-           has__stack_chk_fail, has__stack_smash_handler)>;
+           DefaultStackProtector)>;
 
 //===----------------------------------------------------------------------===//
 // RISCV Runtime Libcalls
@@ -2031,7 +2034,7 @@ def RISCVSystemLibrary
            exp10f, exp10, exp10l_f128,
            __riscv_flush_icache,
            LibcallImpls<(add Int128RTLibcalls), isRISCV64>,
-           has__stack_chk_fail, has__stack_smash_handler)>;
+           DefaultStackProtector)>;
 
 //===----------------------------------------------------------------------===//
 // SPARC Runtime Libcalls
@@ -2099,7 +2102,7 @@ def SPARCSystemLibrary
        LibcallImpls<(add _Q_qtoll, _Q_qtoull, _Q_lltoq, _Q_ulltoq), isSPARC32>,
        LibcallImpls<(add SPARC64_MulDivCalls, Int128RTLibcalls), isSPARC64>,
        LibmHasSinCosF32, LibmHasSinCosF64, LibmHasSinCosF128,
-       has__stack_chk_fail, has__stack_smash_handler)
+       DefaultStackProtector)
 >;
 
 //===----------------------------------------------------------------------===//
@@ -2160,8 +2163,7 @@ defvar X86CommonLibcalls =
        // FIXME: MSVCRT doesn't have powi. The f128 case is added as a
        // hack for one test relying on it.
        __powitf2_f128,
-       has__stack_chk_fail,
-       has__stack_smash_handler
+       DefaultStackProtector
 );
 
 defvar Windows32DivRemMulCalls =
@@ -2330,6 +2332,5 @@ def LegacyDefaultSystemLibrary
          exp10f, exp10, exp10l_f128,
          __powisf2, __powidf2, __powitf2_f128,
          LibcallImpls<(add Int128RTLibcalls), isArch64Bit>,
-         has__stack_chk_fail,
-         has__stack_smash_handler
+         DefaultStackProtector
 )>;