commit 4b04713423c6da988db75c7546baa3db7ddfa119
author Wesley Peck <peckw@wesleypeck.com> Sun Nov 21 22:06:28 2010 +0000
committer Wesley Peck <peckw@wesleypeck.com> Sun Nov 21 22:06:28 2010 +0000
tree 6af0a6e0e6c05fa1d2b7ae9acb8bd8f20df59a9d
parent 46a928b864369ba9e1b8fc055d100c2fa0f97d16

Implement ELF object file writing support for the MBlaze backend. Its not perfect yet, but it works for many tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119952 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/MBlaze/MBlazeELFWriterInfo.cpp

diff --git a/lib/Target/MBlaze/MBlazeELFWriterInfo.cpp b/lib/Target/MBlaze/MBlazeELFWriterInfo.cpp
index cf6312f..3f26ed1 100644
--- a/lib/Target/MBlaze/MBlazeELFWriterInfo.cpp
+++ b/lib/Target/MBlaze/MBlazeELFWriterInfo.cpp
@@ -14,6 +14,7 @@
 #include "MBlazeELFWriterInfo.h"
 #include "MBlazeRelocations.h"
 #include "llvm/Function.h"
+#include "llvm/Support/ELF.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetMachine.h"
@@ -34,9 +35,9 @@
 unsigned MBlazeELFWriterInfo::getRelocationType(unsigned MachineRelTy) const {
   switch (MachineRelTy) {
   case MBlaze::reloc_pcrel_word:
-    return R_MICROBLAZE_64_PCREL;
+    return ELF::R_MICROBLAZE_64_PCREL;
   case MBlaze::reloc_absolute_word:
-    return R_MICROBLAZE_NONE;
+    return ELF::R_MICROBLAZE_NONE;
   default:
     llvm_unreachable("unknown mblaze machine relocation type");
   }
@@ -46,9 +47,9 @@
 long int MBlazeELFWriterInfo::getDefaultAddendForRelTy(unsigned RelTy,
                                                     long int Modifier) const {
   switch (RelTy) {
-  case R_MICROBLAZE_32_PCREL:
+  case ELF::R_MICROBLAZE_32_PCREL:
     return Modifier - 4;
-  case R_MICROBLAZE_32:
+  case ELF::R_MICROBLAZE_32:
     return Modifier;
   default:
     llvm_unreachable("unknown mblaze relocation type");
@@ -59,22 +60,22 @@
 unsigned MBlazeELFWriterInfo::getRelocationTySize(unsigned RelTy) const {
   // FIXME: Most of these sizes are guesses based on the name
   switch (RelTy) {
-  case R_MICROBLAZE_32:
-  case R_MICROBLAZE_32_PCREL:
-  case R_MICROBLAZE_32_PCREL_LO:
-  case R_MICROBLAZE_32_LO:
-  case R_MICROBLAZE_SRO32:
-  case R_MICROBLAZE_SRW32:
-  case R_MICROBLAZE_32_SYM_OP_SYM:
-  case R_MICROBLAZE_GOTOFF_32:
+  case ELF::R_MICROBLAZE_32:
+  case ELF::R_MICROBLAZE_32_PCREL:
+  case ELF::R_MICROBLAZE_32_PCREL_LO:
+  case ELF::R_MICROBLAZE_32_LO:
+  case ELF::R_MICROBLAZE_SRO32:
+  case ELF::R_MICROBLAZE_SRW32:
+  case ELF::R_MICROBLAZE_32_SYM_OP_SYM:
+  case ELF::R_MICROBLAZE_GOTOFF_32:
     return 32;
 
-  case R_MICROBLAZE_64_PCREL:
-  case R_MICROBLAZE_64:
-  case R_MICROBLAZE_GOTPC_64:
-  case R_MICROBLAZE_GOT_64:
-  case R_MICROBLAZE_PLT_64:
-  case R_MICROBLAZE_GOTOFF_64:
+  case ELF::R_MICROBLAZE_64_PCREL:
+  case ELF::R_MICROBLAZE_64:
+  case ELF::R_MICROBLAZE_GOTPC_64:
+  case ELF::R_MICROBLAZE_GOT_64:
+  case ELF::R_MICROBLAZE_PLT_64:
+  case ELF::R_MICROBLAZE_GOTOFF_64:
     return 64;
   }
 
@@ -84,10 +85,10 @@
 bool MBlazeELFWriterInfo::isPCRelativeRel(unsigned RelTy) const {
   // FIXME: Most of these are guesses based on the name
   switch (RelTy) {
-  case R_MICROBLAZE_32_PCREL:
-  case R_MICROBLAZE_64_PCREL:
-  case R_MICROBLAZE_32_PCREL_LO:
-  case R_MICROBLAZE_GOTPC_64:
+  case ELF::R_MICROBLAZE_32_PCREL:
+  case ELF::R_MICROBLAZE_64_PCREL:
+  case ELF::R_MICROBLAZE_32_PCREL_LO:
+  case ELF::R_MICROBLAZE_GOTPC_64:
     return true;
   }
 
@@ -101,7 +102,7 @@
 long int MBlazeELFWriterInfo::computeRelocation(unsigned SymOffset,
                                                 unsigned RelOffset,
                                                 unsigned RelTy) const {
-  if (RelTy == R_MICROBLAZE_32_PCREL || R_MICROBLAZE_64_PCREL)
+  if (RelTy == ELF::R_MICROBLAZE_32_PCREL || ELF::R_MICROBLAZE_64_PCREL)
     return SymOffset - (RelOffset + 4);
   else
     assert("computeRelocation unknown for this relocation type");