[Sparc] Add support for parsing DW_CFA_GNU_window_save.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200127 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 37 insertions, 0 deletions

diff --git a/include/llvm/Object/RelocVisitor.h b/include/llvm/Object/RelocVisitor.h
index d24cbd464d..2e1d43e26a 100644
--- a/include/llvm/Object/RelocVisitor.h
+++ b/include/llvm/Object/RelocVisitor.h
@@ -123,6 +123,27 @@ public:
         HasError = true;
         return RelocToApply();
       }
+    } else if (FileFormat == "ELF32-sparc") {
+      switch (RelocType) {
+      case llvm::ELF::R_SPARC_32:
+      case llvm::ELF::R_SPARC_UA32:
+        return visitELF_SPARC_32(R, Value);
+      default:
+        HasError = true;
+        return RelocToApply();
+      }
+    } else if (FileFormat == "ELF64-sparc") {
+      switch (RelocType) {
+      case llvm::ELF::R_SPARC_32:
+      case llvm::ELF::R_SPARC_UA32:
+        return visitELF_SPARCV9_32(R, Value);
+      case llvm::ELF::R_SPARC_64:
+      case llvm::ELF::R_SPARC_UA64:
+        return visitELF_SPARCV9_64(R, Value);
+      default:
+        HasError = true;
+        return RelocToApply();
+      }
     }
     HasError = true;
     return RelocToApply();
@@ -272,6 +293,22 @@ private:
     int64_t Addend = getAddend64BE(R);
     return RelocToApply(Value + Addend, 8);
   }
+
+  RelocToApply visitELF_SPARC_32(RelocationRef R, uint32_t Value) {
+    int32_t Addend = getAddend32BE(R);
+    return RelocToApply(Value + Addend, 4);
+  }
+
+  RelocToApply visitELF_SPARCV9_32(RelocationRef R, uint64_t Value) {
+    int32_t Addend = getAddend64BE(R);
+    return RelocToApply(Value + Addend, 4);
+  }
+
+  RelocToApply visitELF_SPARCV9_64(RelocationRef R, uint64_t Value) {
+    int64_t Addend = getAddend64BE(R);
+    return RelocToApply(Value + Addend, 8);
+  }
+
 };
 
 }