Separating ELF and MachO stub info functions for RuntimeDyld
llvm-svn: 192737
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
index ab6b8bd..058078b 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
@@ -82,6 +82,30 @@
uint32_t Type,
int64_t Addend);
+ unsigned getMaxStubSize() {
+ if (Arch == Triple::aarch64)
+ return 20; // movz; movk; movk; movk; br
+ if (Arch == Triple::arm || Arch == Triple::thumb)
+ return 8; // 32-bit instruction and 32-bit address
+ else if (Arch == Triple::mipsel || Arch == Triple::mips)
+ return 16;
+ else if (Arch == Triple::ppc64 || Arch == Triple::ppc64le)
+ return 44;
+ else if (Arch == Triple::x86_64)
+ return 6; // 2-byte jmp instruction + 32-bit relative address
+ else if (Arch == Triple::systemz)
+ return 16;
+ else
+ return 0;
+ }
+
+ unsigned getStubAlignment() {
+ if (Arch == Triple::systemz)
+ return 8;
+ else
+ return 1;
+ }
+
uint64_t findPPC64TOC() const;
void findOPDEntrySection(ObjectImage &Obj,
ObjSectionToIDMap &LocalSections,