}
void Clang::AddARMTargetArgs(const ArgList &Args,
- ArgStringList &CmdArgs) const {
+ ArgStringList &CmdArgs,
+ bool KernelOrKext) const {
const Driver &D = getToolChain().getDriver();
llvm::Triple Triple = getToolChain().getTriple();
// Setting -msoft-float effectively disables NEON because of the GCC
// implementation, although the same isn't true of VFP or VFP3.
if (FloatABI == "soft") {
- CmdArgs.push_back("-target-feature");
- CmdArgs.push_back("-neon");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
+ }
+
+ // Kernel code has more strict alignment requirements.
+ if (KernelOrKext) {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-arm-long-calls");
+
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-arm-strict-align");
}
}
case llvm::Triple::arm:
case llvm::Triple::thumb:
- AddARMTargetArgs(Args, CmdArgs);
+ AddARMTargetArgs(Args, CmdArgs, KernelOrKext);
break;
case llvm::Triple::mips:
const InputInfo &Output,
const InputInfoList &Inputs) const;
- void AddARMTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+ void AddARMTargetArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ bool KernelOrKext) const;
void AddMIPSTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
void AddSparcTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
void AddX86TargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
-// RUN: %clang -ccc-host-triple x86_64-apple-darwin10 -mkernel -### -fsyntax-only %s 2> %t
-// RUN grep "-disable-red-zone" %t
-// RUN grep "-fapple-kext" %t
-// RUN grep "-fno-builtin" %t
-// RUN grep "-fno-rtti" %t
-// RUN grep "-fno-common" %t
+// RUN: %clang -ccc-host-triple x86_64-apple-darwin10 \
+// RUN: -mkernel -### -fsyntax-only %s 2> %t
+// RUN: FileCheck --check-prefix=CHECK-X86 < %t %s
+
+// CHECK-X86: "-disable-red-zone"
+// CHECK-X86: "-fno-builtin"
+// CHECK-X86: "-fno-rtti"
+// CHECK-X86: "-fno-common"
+
+// RUN: %clang -ccc-host-triple x86_64-apple-darwin10 \
+// RUN: -arch armv7 -mkernel -### -fsyntax-only %s 2> %t
+// RUN: FileCheck --check-prefix=CHECK-ARM < %t %s
+
+// CHECK-ARM: "-target-feature" "-arm-long-calls"
+// CHECK-ARM: "-target-feature" "-arm-strict-align"
+// CHECK-ARM: "-fno-builtin"
+// CHECK-ARM: "-fno-rtti"
+// CHECK-ARM: "-fno-common"