Author: [EMAIL PROTECTED]
Date: Fri Oct 24 02:28:30 2008
New Revision: 582

Added:
    changes/[EMAIL PROTECTED]/runtime_calls/
    changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/
       - copied from r578, /branches/bleeding_edge/
Modified:
     
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/codegen-arm.cc
     
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/codegen-ia32.cc
    changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/runtime.cc
    changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/runtime.h

Log:
Change a few runtime functions that took and returned a dummy argument
to instead take no arguments and return the undefined value.


Modified:  
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/codegen-arm.cc
==============================================================================
--- /branches/bleeding_edge/src/codegen-arm.cc  (original)
+++  
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/codegen-arm.cc        
 
Fri Oct 24 02:28:30 2008
@@ -226,9 +226,7 @@
      if (FLAG_trace) {
        // Push a valid value as the parameter. The runtime call only uses
        // it as the return value to indicate non-failure.
-      __ mov(r0, Operand(Smi::FromInt(0)));
-      __ push(r0);
-      __ CallRuntime(Runtime::kTraceEnter, 1);
+      __ CallRuntime(Runtime::kTraceEnter, 0);
      }
      CheckStack();

@@ -242,11 +240,7 @@
        bool should_trace =
            is_builtin ? FLAG_trace_builtin_calls : FLAG_trace_calls;
        if (should_trace) {
-        // Push a valid value as the parameter. The runtime call only uses
-        // it as the return value to indicate non-failure.
-        __ mov(r0, Operand(Smi::FromInt(0)));
-        __ push(r0);
-        __ CallRuntime(Runtime::kDebugTrace, 1);
+        __ CallRuntime(Runtime::kDebugTrace, 0);
        }
  #endif
        VisitStatements(body);
@@ -1846,8 +1840,8 @@
  void CodeGenerator::VisitDebuggerStatement(DebuggerStatement* node) {
    Comment cmnt(masm_, "[ DebuggerStatament");
    if (FLAG_debug_info) RecordStatementPosition(node);
-  __ CallRuntime(Runtime::kDebugBreak, 1);
-  __ push(r0);
+  __ CallRuntime(Runtime::kDebugBreak, 0);
+  // Ignore the return value.
  }



Modified:  
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/codegen-ia32.cc
==============================================================================
--- /branches/bleeding_edge/src/codegen-ia32.cc (original)
+++  
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/codegen-ia32.cc       
 
Fri Oct 24 02:28:30 2008
@@ -356,8 +356,8 @@
      }

      if (FLAG_trace) {
-      __ CallRuntime(Runtime::kTraceEnter, 1);
-      frame_->Push(eax);
+      __ CallRuntime(Runtime::kTraceEnter, 0);
+      // Ignore the return value.
      }
      CheckStack();

@@ -371,8 +371,8 @@
        bool should_trace =
            is_builtin ? FLAG_trace_builtin_calls : FLAG_trace_calls;
        if (should_trace) {
-        __ CallRuntime(Runtime::kDebugTrace, 1);
-        frame_->Push(eax);
+        __ CallRuntime(Runtime::kDebugTrace, 0);
+        // Ignore the return value.
        }
  #endif
        VisitStatements(body);
@@ -2218,8 +2218,8 @@
  void CodeGenerator::VisitDebuggerStatement(DebuggerStatement* node) {
    Comment cmnt(masm_, "[ DebuggerStatement");
    RecordStatementPosition(node);
-  __ CallRuntime(Runtime::kDebugBreak, 1);
-  frame_->Push(eax);
+  __ CallRuntime(Runtime::kDebugBreak, 0);
+  // Ignore the return value.
  }



Modified:  
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/runtime.cc
==============================================================================
--- /branches/bleeding_edge/src/runtime.cc      (original)
+++  
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/runtime.cc     
Fri Oct 24 02:28:30 2008
@@ -3581,10 +3581,10 @@
  }


-static Object* Runtime_DebugBreak(Arguments args) {
+static Object* DebugBreakHelper() {
    // Just continue if breaks are disabled.
    if (Debug::disable_break()) {
-    return args[0];
+    return Heap::undefined_value();
    }

    // Don't break in system functions. If the current function is
@@ -3596,7 +3596,7 @@
    if (fun->IsJSFunction()) {
      GlobalObject* global = JSFunction::cast(fun)->context()->global();
      if (global->IsJSBuiltinsObject() || Debug::IsDebugGlobal(global)) {
-      return args[0];
+      return Heap::undefined_value();
      }
    }

@@ -3607,14 +3607,20 @@
    // Enter the debugger. Just continue if we fail to enter the debugger.
    EnterDebugger debugger;
    if (debugger.FailedToEnter()) {
-    return args[0];
+    return Heap::undefined_value();
    }

    // Notify the debug event listeners.
    Debugger::OnDebugBreak(Factory::undefined_value());

    // Return to continue execution.
-  return args[0];
+  return Heap::undefined_value();
+}
+
+
+static Object* Runtime_DebugBreak(Arguments args) {
+  ASSERT(args.length() == 0);
+  return DebugBreakHelper();
  }


@@ -3626,7 +3632,7 @@

    // If not real stack overflow the stack guard was used to interrupt
    // execution for another purpose.
-  if (StackGuard::IsDebugBreak()) Runtime_DebugBreak(args);
+  if (StackGuard::IsDebugBreak()) DebugBreakHelper();
    if (StackGuard::IsPreempted()) RuntimePreempt(args);
    if (StackGuard::IsInterrupted()) {
      // interrupt
@@ -3724,9 +3730,10 @@


  static Object* Runtime_TraceEnter(Arguments args) {
+  ASSERT(args.length() == 0);
    NoHandleAllocation ha;
    PrintTransition(NULL);
-  return args[0];  // return TOS
+  return Heap::undefined_value();
  }


@@ -3765,10 +3772,10 @@


  static Object* Runtime_DebugTrace(Arguments args) {
-  ASSERT(args.length() == 1);
+  ASSERT(args.length() == 0);
    NoHandleAllocation ha;
    Top::PrintStack();
-  return args[0];  // return TOS
+  return Heap::undefined_value();
  }



Modified:  
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/runtime.h
==============================================================================
--- /branches/bleeding_edge/src/runtime.h       (original)
+++  
changes/[EMAIL PROTECTED]/runtime_calls/bleeding_edge/src/runtime.h      
Fri Oct 24 02:28:30 2008
@@ -277,10 +277,10 @@
    \
    /* Debugging */ \
    F(DebugPrint, 1) \
-  F(DebugTrace, 1) \
-  F(TraceEnter, 1) \
+  F(DebugTrace, 0) \
+  F(TraceEnter, 0) \
    F(TraceExit, 1) \
-  F(DebugBreak, 1) \
+  F(DebugBreak, 0) \
    F(FunctionGetAssemblerCode, 1) \
    F(Abort, 2) \
    \

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