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-rw-r--r--lib/Target/PowerPC/PPCISelLowering.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index ad9bbe1..1f51d04 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -464,6 +464,40 @@ unsigned PPCTargetLowering::getFunctionAlignment(const Function *F) const {
return 2;
}
+/// getPreferredLSDADataFormat - Return the preferred exception handling data
+/// format for the LSDA.
+unsigned PPCTargetLowering::getPreferredLSDADataFormat() const {
+ if (getTargetMachine().getSubtarget<PPCSubtarget>().isDarwin())
+ return dwarf::DW_EH_PE_pcrel;
+
+ if (PPCSubTarget.isPPC64() ||
+ getTargetMachine().getRelocationModel() == Reloc::PIC_) {
+ unsigned DataTy =
+ (PPCSubTarget.isPPC64() ?
+ dwarf::DW_EH_PE_udata8 : dwarf::DW_EH_PE_udata4);
+ return dwarf::DW_EH_PE_pcrel | DataTy;
+ }
+
+ return dwarf::DW_EH_PE_absptr;
+}
+
+/// getPreferredFDEDataFormat - Return the preferred exception handling data
+/// format for the FDE.
+unsigned PPCTargetLowering::getPreferredFDEDataFormat() const {
+ if (getTargetMachine().getSubtarget<PPCSubtarget>().isDarwin())
+ return dwarf::DW_EH_PE_pcrel;
+
+ if (PPCSubTarget.isPPC64() ||
+ getTargetMachine().getRelocationModel() == Reloc::PIC_) {
+ unsigned DataTy =
+ (PPCSubTarget.isPPC64() ?
+ dwarf::DW_EH_PE_udata8 : dwarf::DW_EH_PE_udata4);
+ return dwarf::DW_EH_PE_pcrel | DataTy;
+ }
+
+ return dwarf::DW_EH_PE_absptr;
+}
+
//===----------------------------------------------------------------------===//
// Node matching predicates, for use by the tblgen matching code.
//===----------------------------------------------------------------------===//