Version 1.1.0-dev.5.2

dart/runtime/vm/debugger_ia32.cc

 // Copyright (c) 2011, 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_IA32)
 
 #include "vm/debugger.h"
 
 #include "vm/code_patcher.h"
@@ skipping 18 matching lines @@
 
 RawObject* ActivationFrame::GetClosureObject(intptr_t num_actual_args) {
   // At a minimum we have the closure object on the stack.
   ASSERT(num_actual_args > 0);
   // Stack pointer points to last argument that was pushed on the stack.
   uword closure_addr = sp() + ((num_actual_args - 1) * kWordSize);
   return reinterpret_cast<RawObject*>(
       *reinterpret_cast<uword*>(closure_addr));
 }
 
-
-void CodeBreakpoint::PatchFunctionReturn() {
-  uint8_t* code = reinterpret_cast<uint8_t*>(pc_ - 5);
-  ASSERT((code[0] == 0x89) && (code[1] == 0xEC));  // mov esp,ebp
-  ASSERT(code[2] == 0x5D);  // pop ebp
-  ASSERT(code[3] == 0xC3);  // ret
-  ASSERT(code[4] == 0x90);  // nop
-
-  // Smash code with call instruction and relative target address.
-  uword stub_addr = StubCode::BreakpointReturnEntryPoint();
-  code[0] = 0xE8;
-  *reinterpret_cast<uword*>(&code[1]) = stub_addr - pc_;
-  CPU::FlushICache(pc_ - 5, 5);
-}
-
-
-void CodeBreakpoint::RestoreFunctionReturn() {
-  uint8_t* code = reinterpret_cast<uint8_t*>(pc_ - 5);
-  ASSERT(code[0] == 0xE8);
-  code[0] = 0x89;
-  code[1] = 0xEC;  // mov esp,ebp
-  code[2] = 0x5D;  // pop ebp
-  code[3] = 0xC3;  // ret
-  code[4] = 0x90;  // nop
-  CPU::FlushICache(pc_ - 5, 5);
-}
-
-
-
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32