[llvm] r204816 - AArch64_BE Elf support for MC-JIT runtime dynamic linker

[Christian Pirker]

Author: cpirker
Date: Wed Mar 26 09:57:32 2014
New Revision: 204816

URL: http://llvm.org/viewvc/llvm-project?rev=204816&view=rev
Log:
AArch64_BE Elf support for MC-JIT runtime dynamic linker

Modified:
    llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
    llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
    llvm/trunk/lib/MC/MCObjectFileInfo.cpp
    llvm/trunk/test/CodeGen/AArch64/pic-eh-stubs.ll

Modified: llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp?rev=204816&r1=204815&r2=204816&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp Wed Mar 26 09:57:32 2014
@@ -490,7 +490,7 @@ void RuntimeDyldImpl::addRelocationForSy
 }
 
 uint8_t *RuntimeDyldImpl::createStubFunction(uint8_t *Addr) {
-  if (Arch == Triple::aarch64) {
+  if (Arch == Triple::aarch64 || Arch == Triple::aarch64_be) {
     // This stub has to be able to access the full address space,
     // since symbol lookup won't necessarily find a handy, in-range,
     // PLT stub for functions which could be anywhere.

Modified: llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp?rev=204816&r1=204815&r2=204816&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp Wed Mar 26 09:57:32 2014
@@ -844,6 +844,7 @@ void RuntimeDyldELF::resolveRelocation(c
                          (uint32_t)(Addend & 0xffffffffL));
     break;
   case Triple::aarch64:
+  case Triple::aarch64_be:
     resolveAArch64Relocation(Section, Offset, Value, Type, Addend);
     break;
   case Triple::arm: // Fall through.

Modified: llvm/trunk/lib/MC/MCObjectFileInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCObjectFileInfo.cpp?rev=204816&r1=204815&r2=204816&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCObjectFileInfo.cpp (original)
+++ llvm/trunk/lib/MC/MCObjectFileInfo.cpp Wed Mar 26 09:57:32 2014
@@ -283,7 +283,8 @@ void MCObjectFileInfo::InitELFMCObjectFi
       TTypeEncoding = (CMModel == CodeModel::Small)
         ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
     }
-  }  else if (T.getArch() ==  Triple::aarch64) {
+  }  else if (T.getArch() == Triple::aarch64 ||
+              T.getArch() == Triple::aarch64_be ) {
     // The small model guarantees static code/data size < 4GB, but not where it
     // will be in memory. Most of these could end up >2GB away so even a signed
     // pc-relative 32-bit address is insufficient, theoretically.

Modified: llvm/trunk/test/CodeGen/AArch64/pic-eh-stubs.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/pic-eh-stubs.ll?rev=204816&r1=204815&r2=204816&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/pic-eh-stubs.ll (original)
+++ llvm/trunk/test/CodeGen/AArch64/pic-eh-stubs.ll Wed Mar 26 09:57:32 2014
@@ -1,4 +1,5 @@
 ; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s
+; RUN: llc -mtriple=aarch64_be-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s
 
 ; Make sure exception-handling PIC code can be linked correctly. An alternative
 ; to the sequence described below would have .gcc_except_table itself writable