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authorAndrew Kaylor <andrew.kaylor@intel.com>2013-10-15 21:32:56 +0000
committerAndrew Kaylor <andrew.kaylor@intel.com>2013-10-15 21:32:56 +0000
commit72be32c6332ff9dd38b989d5a0dd80f40996dd10 (patch)
tree142a5984fac30d2f81d0b1f7ecde3b73f4455740 /lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
parent977ce007ad49f122f8132a042ddb6b2c0fd53491 (diff)
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Separating ELF and MachO stub info functions for RuntimeDyld
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192737 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h')
-rw-r--r--lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
index ab6b8bdaf3..058078b0f3 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
@@ -82,6 +82,30 @@ class RuntimeDyldELF : public RuntimeDyldImpl {
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,