Initial support for FreeBSD on ARM.
Patch by Andrew Turner.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170096 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 3fbbf10..f63773d 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -3094,7 +3094,9 @@
// name.
if (Name == "apcs-gnu") {
DoubleAlign = LongLongAlign = LongDoubleAlign = SuitableAlign = 32;
- SizeType = UnsignedLong;
+ // size_t is unsigned int on FreeBSD.
+ if (getTriple().getOS() != llvm::Triple::FreeBSD)
+ SizeType = UnsignedLong;
// Revert to using SignedInt on apcs-gnu to comply with existing behaviour.
WCharType = SignedInt;
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index eac9d3a..0cf4024 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -1861,6 +1861,19 @@
return *T;
}
+bool FreeBSD::UseSjLjExceptions() const {
+ // FreeBSD uses SjLj exceptions on ARM oabi.
+ switch (getTriple().getEnvironment()) {
+ case llvm::Triple::GNUEABI:
+ case llvm::Triple::EABI:
+ return false;
+
+ default:
+ return (getTriple().getArch() == llvm::Triple::arm ||
+ getTriple().getArch() == llvm::Triple::thumb);
+ }
+}
+
/// NetBSD - NetBSD tool chain which can call as(1) and ld(1) directly.
NetBSD::NetBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index 3401104..c0a9646 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -452,6 +452,7 @@
virtual Tool &SelectTool(const Compilation &C, const JobAction &JA,
const ActionList &Inputs) const;
+ virtual bool UseSjLjExceptions() const;
};
class LLVM_LIBRARY_VISIBILITY NetBSD : public Generic_ELF {
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index ee86da6..2737c1a 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -662,6 +662,11 @@
break;
}
+ case llvm::Triple::FreeBSD:
+ // FreeBSD defaults to soft float
+ FloatABI = "soft";
+ break;
+
default:
switch(Triple.getEnvironment()) {
case llvm::Triple::GNUEABIHF:
@@ -4944,6 +4949,17 @@
LastPICArg->getOption().matches(options::OPT_fpie))) {
CmdArgs.push_back("-KPIC");
}
+ } else if (getToolChain().getArch() == llvm::Triple::arm ||
+ getToolChain().getArch() == llvm::Triple::thumb) {
+ CmdArgs.push_back("-mfpu=softvfp");
+ switch(getToolChain().getTriple().getEnvironment()) {
+ case llvm::Triple::GNUEABI:
+ case llvm::Triple::EABI:
+ break;
+
+ default:
+ CmdArgs.push_back("-matpcs");
+ }
}
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
diff --git a/test/Driver/freebsd.c b/test/Driver/freebsd.c
index db53d4d..d0e608c 100644
--- a/test/Driver/freebsd.c
+++ b/test/Driver/freebsd.c
@@ -96,3 +96,14 @@
// RUN: | FileCheck --check-prefix=CHECK-NORMAL %s
// CHECK-NORMAL: crt1.o
// CHECK-NORMAL: crtbegin.o
+
+// RUN: %clang %s -### -o %t.o -target arm-unknown-freebsd10.0 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-ARM %s
+// CHECK-ARM: clang{{.*}}" "-cc1"{{.*}}" "-fsjlj-exceptions"
+// CHECK-ARM: as{{.*}}" "-mfpu=softvfp"{{.*}}"-matpcs"
+
+// RUN: %clang %s -### -o %t.o -target arm-gnueabi-freebsd10.0 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-ARM-EABI %s
+// CHECK-ARM-EABI-NOT: clang{{.*}}" "-cc1"{{.*}}" "-fsjlj-exceptions"
+// CHECK-ARM-EABI: as{{.*}}" "-mfpu=softvfp"
+// CHECK-ARM-EABI-NOT: as{{.*}}" "-matpcs"
diff --git a/test/Misc/freebsd-arm-size_t.c b/test/Misc/freebsd-arm-size_t.c
new file mode 100644
index 0000000..ba7bfec
--- /dev/null
+++ b/test/Misc/freebsd-arm-size_t.c
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -triple arm-unknown-freebsd10.0 -verify %s
+// expected-no-diagnostics
+
+/* Define a size_t as expected for FreeBSD ARM */
+typedef unsigned int size_t;
+
+/* Declare a builtin function that uses size_t */
+void *malloc(size_t);
+
