Add EH support to the MCJIT.
This gets exception handling working on ELF and Macho (x86-64 at least).
Other than the EH frame registration, this patch also implements support
for GOT relocations which are used to locate the personality function on
MachO.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181167 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
index 80231a7..004f4f2 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
@@ -151,6 +151,14 @@
namespace llvm {
+StringRef RuntimeDyldELF::getEHFrameSection() {
+ for (int i = 0, e = Sections.size(); i != e; ++i) {
+ if (Sections[i].Name == ".eh_frame")
+ return StringRef((const char*)Sections[i].Address, Sections[i].Size);
+ }
+ return StringRef();
+}
+
ObjectImage *RuntimeDyldELF::createObjectImage(ObjectBuffer *Buffer) {
if (Buffer->getBufferSize() < ELF::EI_NIDENT)
llvm_unreachable("Unexpected ELF object size");