PPC: Debugger: use debug break slot to break on call.

src/ppc/full-codegen-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 2218 matching lines @@
       // result = receiver[f](arg);
       __ bind(&l_call);
       __ LoadP(load_receiver, MemOperand(sp, kPointerSize));
       __ LoadP(load_name, MemOperand(sp, 2 * kPointerSize));
       __ mov(LoadDescriptor::SlotRegister(),
              Operand(SmiFromSlot(expr->KeyedLoadFeedbackSlot())));
       Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), SLOPPY).code();
       CallIC(ic, TypeFeedbackId::None());
       __ mr(r4, r3);
       __ StoreP(r4, MemOperand(sp, 2 * kPointerSize));
+      SetCallPosition(expr, 1);
       CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD);
       __ CallStub(&stub);
 
       __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
       __ Drop(1);  // The function is still on the stack; drop it.
 
       // if (!result.done) goto l_try;
       __ Move(load_receiver, r3);
 
       __ push(load_receiver);                               // save result
@@ skipping 845 matching lines @@
 
 
 void FullCodeGenerator::EmitCall(Call* expr, CallICState::CallType call_type) {
   // Load the arguments.
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
   for (int i = 0; i < arg_count; i++) {
     VisitForStackValue(args->at(i));
   }
 
-  SetExpressionPosition(expr);
+  SetCallPosition(expr, arg_count);
   Handle<Code> ic = CodeFactory::CallIC(isolate(), arg_count, call_type).code();
   __ LoadSmiLiteral(r6, SmiFromSlot(expr->CallFeedbackICSlot()));
   __ LoadP(r4, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
   // Don't assign a type feedback id to the IC, since type feedback is provided
   // by the vector above.
   CallIC(ic);
 
   RecordJSReturnSite(expr);
   // Restore context register.
   __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
@@ skipping 114 matching lines @@
     __ LoadP(r4, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
     __ push(r4);
     EmitResolvePossiblyDirectEval(arg_count);
 
     // Touch up the stack with the resolved function.
     __ StoreP(r3, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
 
     PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS);
 
     // Record source position for debugger.
-    SetExpressionPosition(expr);
+    SetCallPosition(expr, arg_count);
     CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
     __ LoadP(r4, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
     __ CallStub(&stub);
     RecordJSReturnSite(expr);
     // Restore context register.
     __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
     context()->DropAndPlug(1, r3);
   } else if (call_type == Call::GLOBAL_CALL) {
     EmitCallWithLoadIC(expr);
 
@@ skipping 51 matching lines @@
 
   // Push the arguments ("left-to-right") on the stack.
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
   for (int i = 0; i < arg_count; i++) {
     VisitForStackValue(args->at(i));
   }
 
   // Call the construct call builtin that handles allocation and
   // constructor invocation.
-  SetExpressionPosition(expr);
+  SetConstructCallPosition(expr);
 
   // Load function and argument count into r4 and r3.
   __ mov(r3, Operand(arg_count));
   __ LoadP(r4, MemOperand(sp, arg_count * kPointerSize), r0);
 
   // Record call targets in unoptimized code.
   if (FLAG_pretenuring_call_new) {
     EnsureSlotContainsAllocationSite(expr->AllocationSiteFeedbackSlot());
     DCHECK(expr->AllocationSiteFeedbackSlot().ToInt() ==
            expr->CallNewFeedbackSlot().ToInt() + 1);
@@ skipping 22 matching lines @@
 
   // Push the arguments ("left-to-right") on the stack.
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
   for (int i = 0; i < arg_count; i++) {
     VisitForStackValue(args->at(i));
   }
 
   // Call the construct call builtin that handles allocation and
   // constructor invocation.
-  SetExpressionPosition(expr);
+  SetConstructCallPosition(expr);
 
   // Load function and argument count into r1 and r0.
   __ mov(r3, Operand(arg_count));
   __ LoadP(r4, MemOperand(sp, arg_count * kPointerSize));
 
   // Record call targets in unoptimized code.
   if (FLAG_pretenuring_call_new) {
     UNREACHABLE();
     /* TODO(dslomov): support pretenuring.
     EnsureSlotContainsAllocationSite(expr->AllocationSiteFeedbackSlot());
@@ skipping 1388 matching lines @@
   __ mov(LoadDescriptor::SlotRegister(),
          Operand(SmiFromSlot(expr->CallRuntimeFeedbackSlot())));
   CallLoadIC(NOT_CONTEXTUAL);
 }
 
 
 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
 
-  SetExpressionPosition(expr);
+  SetCallPosition(expr, arg_count);
   CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
   __ LoadP(r4, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
   __ CallStub(&stub);
 }
 
 
 void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
 
@@ skipping 773 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC