Support VTune's JIT interface.

runtime/vm/assembler_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/heap.h"
 #include "vm/memory_region.h"
@@ skipping 310 matching lines @@
     EmitOperand(0, operand);
   } else {
     EmitRegisterREX(dst, REX_W);
     EmitUint8(0xB8 | (dst & 7));
   }
   EmitImmediate(imm);
 }
 
 
 // Use 0x89 encoding (instead of 0x8B encoding), which is expected by gdb64
-// older than 7.3.1-gg5 when disassembling a function's prolog (movq rbp, rsp)
+// older than 7.3.1-gg5 when disassembling a function's prologue (movq rbp, rsp)
 // for proper unwinding of Dart frames (use --generate_gdb_symbols and -O0).
 void Assembler::movq(Register dst, Register src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   Operand operand(dst);
   EmitOperandREX(src, operand, REX_W);
   EmitUint8(0x89);
   EmitOperand(src & 7, operand);
 }
 
 
@@ skipping 1450 matching lines @@
     int position = label->NearPosition();
     int offset = bound - (position + 1);
     ASSERT(Utils::IsInt(8, offset));
     buffer_.Store<int8_t>(position, offset);
   }
   label->BindTo(bound);
 }
 
 
 void Assembler::EnterFrame(intptr_t frame_size) {
-  if (prolog_offset_ == -1) {
-    prolog_offset_ = CodeSize();
+  if (prologue_offset_ == -1) {
+    prologue_offset_ = CodeSize();
   }
   pushq(RBP);
   movq(RBP, RSP);
   if (frame_size != 0) {
     Immediate frame_space(frame_size);
     subq(RSP, frame_space);
   }
 }
 
 
@@ skipping 296 matching lines @@
 
 const char* Assembler::XmmRegisterName(XmmRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64