vendor/llvm/llvm-r126547

2 files changed, 21 insertions, 3 deletions

diff --git a/lib/MC/MCDisassembler/EDOperand.cpp b/lib/MC/MCDisassembler/EDOperand.cpp
index cfeb56fa3dfd..2b0c73e80593 100644
--- a/lib/MC/MCDisassembler/EDOperand.cpp
+++ b/lib/MC/MCDisassembler/EDOperand.cpp
@@ -152,10 +152,23 @@ int EDOperand::evaluate(uint64_t &result,
       uint64_t scaleAmount = Inst.Inst->getOperand(MCOpIndex+1).getImm();
       unsigned indexReg = Inst.Inst->getOperand(MCOpIndex+2).getReg();
       int64_t displacement = Inst.Inst->getOperand(MCOpIndex+3).getImm();
-      //unsigned segmentReg = Inst.Inst->getOperand(MCOpIndex+4).getReg();
-      
+    
       uint64_t addr = 0;
         
+      unsigned segmentReg = Inst.Inst->getOperand(MCOpIndex+4).getReg();
+        
+      if (segmentReg != 0 && Disassembler.Key.Arch == Triple::x86_64) {
+        unsigned fsID = Disassembler.registerIDWithName("FS");
+        unsigned gsID = Disassembler.registerIDWithName("GS");
+        
+        if (segmentReg == fsID ||
+            segmentReg == gsID) {
+          uint64_t segmentBase;
+          if (!callback(&segmentBase, segmentReg, arg))
+            addr += segmentBase;        
+        }
+      }
+        
       if (baseReg) {
         uint64_t baseVal;
         if (callback(&baseVal, baseReg, arg))
@@ -175,7 +188,7 @@ int EDOperand::evaluate(uint64_t &result,
       result = addr;
       return 0;
     }
-    }
+    } // switch (operandType)
     break;
   case Triple::arm:
   case Triple::thumb:
@@ -203,6 +216,7 @@ int EDOperand::evaluate(uint64_t &result,
       return 0;
     }
     }
+    break;
   }
   
   return -1;
diff --git a/lib/MC/MCDisassembler/EDToken.cpp b/lib/MC/MCDisassembler/EDToken.cpp
index 400e1649e970..de770b41ef35 100644
--- a/lib/MC/MCDisassembler/EDToken.cpp
+++ b/lib/MC/MCDisassembler/EDToken.cpp
@@ -194,6 +194,10 @@ int EDToken::tokenize(std::vector<EDToken*> &tokens,
     tokens.push_back(token);
   }
   
+  // Free any parsed operands.
+  for (unsigned i = 0, e = parsedOperands.size(); i != e; ++i)
+    delete parsedOperands[i];
+
   return 0;
 }