Support -mabi= for clang/ARM.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81734 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 9a037c6..cca52de 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -320,6 +320,32 @@
ArgStringList &CmdArgs) const {
const Driver &D = getToolChain().getHost().getDriver();
+ // Select the ABI to use.
+ //
+ // FIXME: Support -meabi.
+ const char *ABIName = 0;
+ if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
+ ABIName = A->getValue(Args);
+ } else {
+ // Select the default based on the platform.
+ switch (getToolChain().getTriple().getOS()) {
+ // FIXME: Is this right for non-Darwin and non-Linux?
+ default:
+ ABIName = "aapcs";
+ break;
+
+ case llvm::Triple::Darwin:
+ ABIName = "apcs-gnu";
+ break;
+
+ case llvm::Triple::Linux:
+ ABIName = "aapcs-linux";
+ break;
+ }
+ }
+ CmdArgs.push_back("-target-abi");
+ CmdArgs.push_back(ABIName);
+
// Set the CPU based on -march= and -mcpu=.
CmdArgs.push_back(Args.MakeArgString("-mcpu=" + getARMTargetCPU(Args)));