Refactor and cleanup VirtualMemory.

test/cctest/test-macro-assembler-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 17 matching lines @@
 #include <stdlib.h>
 
 #include "v8.h"
 
 #include "macro-assembler.h"
 #include "factory.h"
 #include "platform.h"
 #include "serialize.h"
 #include "cctest.h"
 
-using v8::internal::Assembler;
-using v8::internal::CodeDesc;
-using v8::internal::Condition;
-using v8::internal::FUNCTION_CAST;
-using v8::internal::HandleScope;
-using v8::internal::Immediate;
-using v8::internal::Isolate;
-using v8::internal::Label;
-using v8::internal::MacroAssembler;
-using v8::internal::OS;
-using v8::internal::Operand;
-using v8::internal::RelocInfo;
-using v8::internal::Smi;
-using v8::internal::SmiIndex;
-using v8::internal::byte;
-using v8::internal::carry;
-using v8::internal::greater;
-using v8::internal::greater_equal;
-using v8::internal::kIntSize;
-using v8::internal::kPointerSize;
-using v8::internal::kSmiTagMask;
-using v8::internal::kSmiValueSize;
-using v8::internal::less_equal;
-using v8::internal::negative;
-using v8::internal::not_carry;
-using v8::internal::not_equal;
-using v8::internal::not_zero;
-using v8::internal::positive;
-using v8::internal::r11;
-using v8::internal::r13;
-using v8::internal::r14;
-using v8::internal::r15;
-using v8::internal::r8;
-using v8::internal::r9;
-using v8::internal::rax;
-using v8::internal::rbp;
-using v8::internal::rbx;
-using v8::internal::rcx;
-using v8::internal::rdi;
-using v8::internal::rdx;
-using v8::internal::rsi;
-using v8::internal::rsp;
-using v8::internal::times_pointer_size;
+using namespace v8::internal;
 
 // Test the x64 assembler by compiling some simple functions into
 // a buffer and executing them.  These tests do not initialize the
 // V8 library, create a context, or use any V8 objects.
 // The AMD64 calling convention is used, with the first five arguments
 // in RSI, RDI, RDX, RCX, R8, and R9, and floating point arguments in
 // the XMM registers.  The return value is in RAX.
 // This calling convention is used on Linux, with GCC, and on Mac OS,
 // with GCC.  A different convention is used on 64-bit windows.
 
@@ skipping 55 matching lines @@
   __ cmpq(rcx, rdx);
   __ j(not_equal, exit);
 }
 
 
 // Test that we can move a Smi value literally into a register.
 TEST(SmiMove) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                                   &actual_size,
-                                                   true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
   MacroAssembler* masm = &assembler;  // Create a pointer for the __ macro.
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
   TestMoveSmi(masm, &exit, 1, Smi::FromInt(0));
@@ skipping 65 matching lines @@
     __ j(not_equal, exit);
   }
 }
 
 
 // Test that we can compare smis for equality (and more).
 TEST(SmiCompare) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 2,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 28 matching lines @@
   int result = FUNCTION_CAST<F0>(buffer)();
   CHECK_EQ(0, result);
 }
 
 
 
 TEST(Integer32ToSmi) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                                 &actual_size,
-                                                 true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 106 matching lines @@
   __ Integer64PlusConstantToSmi(rcx, rcx, y);
   __ cmpq(rcx, r8);
   __ j(not_equal, exit);
 }
 
 
 TEST(Integer64PlusConstantToSmi) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                                 &actual_size,
-                                                 true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 22 matching lines @@
   // Call the function from C++.
   int result = FUNCTION_CAST<F0>(buffer)();
   CHECK_EQ(0, result);
 }
 
 
 TEST(SmiCheck) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                                   &actual_size,
-                                                   true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
   Condition cond;
@@ skipping 225 matching lines @@
     __ cmpq(rcx, r8);
     __ j(not_equal, exit);
   }
 }
 
 
 TEST(SmiNeg) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 67 matching lines @@
   __ SmiAddConstant(rcx, rcx, Smi::FromInt(second), exit);
   __ cmpq(rcx, r8);
   __ j(not_equal, exit);
 }
 
 
 TEST(SmiAdd) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                                 &actual_size,
-                                                 true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 167 matching lines @@
     __ cmpq(rcx, r11);
     __ j(not_equal, exit);
   }
 }
 
 
 TEST(SmiSub) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 2,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 68 matching lines @@
     // __ cmpq(r11, rcx);
     // __ j(not_equal, exit);
   }
 }
 
 
 TEST(SmiMul) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                                 &actual_size,
-                                                 true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 83 matching lines @@
     __ cmpq(rcx, r11);
     __ j(not_equal, exit);
   }
 }
 
 
 TEST(SmiDiv) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 2,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 87 matching lines @@
     __ cmpq(rcx, r11);
     __ j(not_equal, exit);
   }
 }
 
 
 TEST(SmiMod) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 2,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 74 matching lines @@
     __ j(not_equal, exit);
     __ incq(rax);
   }
 }
 
 
 TEST(SmiIndex) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 3,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 3,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 46 matching lines @@
   __ SelectNonSmi(r9, rcx, rdx, &fail_ok);
   __ jmp(exit);
   __ bind(&fail_ok);
 }
 
 
 TEST(SmiSelectNonSmi) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);  // Avoid inline checks.
   EntryCode(masm);
   Label exit;
 
@@ skipping 56 matching lines @@
   __ SmiAndConstant(rcx, rcx, Smi::FromInt(y));
   __ cmpq(r8, rcx);
   __ j(not_equal, exit);
 }
 
 
 TEST(SmiAnd) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 58 matching lines @@
   __ SmiOrConstant(rcx, rcx, Smi::FromInt(y));
   __ cmpq(r8, rcx);
   __ j(not_equal, exit);
 }
 
 
 TEST(SmiOr) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 60 matching lines @@
   __ SmiXorConstant(rcx, rcx, Smi::FromInt(y));
   __ cmpq(r8, rcx);
   __ j(not_equal, exit);
 }
 
 
 TEST(SmiXor) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 44 matching lines @@
   __ SmiNot(rcx, rcx);
   __ cmpq(rcx, r8);
   __ j(not_equal, exit);
 }
 
 
 TEST(SmiNot) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 73 matching lines @@
 
     __ incq(rax);
   }
 }
 
 
 TEST(SmiShiftLeft) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 4,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 4,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 83 matching lines @@
       __ addq(rax, Immediate(3));
     }
   }
 }
 
 
 TEST(SmiShiftLogicalRight) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 3,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 3,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 46 matching lines @@
 
     __ incq(rax);
   }
 }
 
 
 TEST(SmiShiftArithmeticRight) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 2,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 41 matching lines @@
     __ j(not_equal, exit);
     __ incq(rax);
   }
 }
 
 
 TEST(PositiveSmiTimesPowerOfTwoToInteger64) {
   v8::internal::V8::Initialize(NULL);
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 4,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 4,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   EntryCode(masm);
   Label exit;
 
@@ skipping 20 matching lines @@
 }
 
 
 TEST(OperandOffset) {
   v8::internal::V8::Initialize(NULL);
   int data[256];
   for (int i = 0; i < 256; i++) { data[i] = i * 0x01010101; }
 
   // Allocate an executable page of memory.
   size_t actual_size;
-  byte* buffer =
-      static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2,
-                                      &actual_size,
-                                      true));
+  byte* buffer = static_cast<byte*>(VirtualMemory::AllocateRegion(
+          Assembler::kMinimalBufferSize * 2,
+          &actual_size,
+          VirtualMemory::EXECUTABLE));
   CHECK(buffer);
   Isolate* isolate = Isolate::Current();
   HandleScope handles(isolate);
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
 
   MacroAssembler* masm = &assembler;
   masm->set_allow_stub_calls(false);
   Label exit;
 
   EntryCode(masm);
@@ skipping 328 matching lines @@
   CodeDesc desc;
   masm->GetCode(&desc);
   // Call the function from C++.
   int result = FUNCTION_CAST<F0>(buffer)();
   CHECK_EQ(0, result);
 }
 
 
 
 #undef __