[debugger] simplify reloc info for debug break slots.

src/full-codegen/mips/full-codegen-mips.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_MIPS
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 2033 matching lines @@
       __ bind(&l_call);
       __ lw(load_receiver, MemOperand(sp, kPointerSize));
       __ lw(load_name, MemOperand(sp, 2 * kPointerSize));
       __ li(LoadDescriptor::SlotRegister(),
             Operand(SmiFromSlot(expr->KeyedLoadFeedbackSlot())));
       Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), SLOPPY).code();
       CallIC(ic, TypeFeedbackId::None());
       __ mov(a0, v0);
       __ mov(a1, a0);
       __ sw(a1, MemOperand(sp, 2 * kPointerSize));
-      SetCallPosition(expr, 1);
+      SetCallPosition(expr);
       __ li(a0, Operand(1));
       __ Call(
           isolate()->builtins()->Call(ConvertReceiverMode::kNotNullOrUndefined),
           RelocInfo::CODE_TARGET);
 
       __ lw(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, v0);
@@ skipping 797 matching lines @@
 void FullCodeGenerator::EmitCall(Call* expr, ConvertReceiverMode mode) {
   // 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));
   }
 
   PrepareForBailoutForId(expr->CallId(), NO_REGISTERS);
   // Record source position of the IC call.
-  SetCallPosition(expr, arg_count);
+  SetCallPosition(expr);
   Handle<Code> ic = CodeFactory::CallIC(isolate(), arg_count, mode).code();
   __ li(a3, Operand(SmiFromSlot(expr->CallFeedbackICSlot())));
   __ lw(a1, MemOperand(sp, (arg_count + 1) * kPointerSize));
   // 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.
   __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
@@ skipping 86 matching lines @@
   // resolve eval.
   __ lw(a1, MemOperand(sp, (arg_count + 1) * kPointerSize));
   __ push(a1);
   EmitResolvePossiblyDirectEval(arg_count);
 
   // Touch up the stack with the resolved function.
   __ sw(v0, MemOperand(sp, (arg_count + 1) * kPointerSize));
 
   PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS);
   // Record source position for debugger.
-  SetCallPosition(expr, arg_count);
+  SetCallPosition(expr);
   __ lw(a1, MemOperand(sp, (arg_count + 1) * kPointerSize));
   __ li(a0, Operand(arg_count));
   __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
   RecordJSReturnSite(expr);
   // Restore context register.
   __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
   context()->DropAndPlug(1, v0);
 }
 
 
@@ skipping 11 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.
-  SetConstructCallPosition(expr, arg_count);
+  SetConstructCallPosition(expr);
 
   // Load function and argument count into a1 and a0.
   __ li(a0, Operand(arg_count));
   __ lw(a1, MemOperand(sp, arg_count * kPointerSize));
 
   // Record call targets in unoptimized code.
   __ EmitLoadTypeFeedbackVector(a2);
   __ li(a3, Operand(SmiFromSlot(expr->CallNewFeedbackSlot())));
 
   Handle<Code> code = CodeFactory::ConstructIC(isolate()).code();
@@ skipping 15 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.
-  SetConstructCallPosition(expr, arg_count);
+  SetConstructCallPosition(expr);
 
   // Load new target into a3.
   VisitForAccumulatorValue(super_call_ref->new_target_var());
   __ mov(a3, result_register());
 
   // Load function and argument count into a1 and a0.
   __ li(a0, Operand(arg_count));
   __ lw(a1, MemOperand(sp, arg_count * kPointerSize));
 
   __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
@@ skipping 729 matching lines @@
 void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 2);
 
   // Evaluate new.target and super constructor.
   VisitForStackValue(args->at(0));
   VisitForStackValue(args->at(1));
 
   // Call the construct call builtin that handles allocation and
   // constructor invocation.
-  SetConstructCallPosition(expr, 0);
+  SetConstructCallPosition(expr);
 
   // Load new target into a3.
   __ lw(a3, MemOperand(sp, 1 * kPointerSize));
 
   // Check if the calling frame is an arguments adaptor frame.
   Label adaptor_frame, args_set_up, runtime;
   __ lw(a2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
   __ lw(t0, MemOperand(a2, StandardFrameConstants::kContextOffset));
   __ Branch(&adaptor_frame, eq, t0,
             Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
@@ skipping 353 matching lines @@
   __ push(v0);
 
   __ LoadNativeContextSlot(expr->context_index(), v0);
 }
 
 
 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
 
-  SetCallPosition(expr, arg_count);
+  SetCallPosition(expr);
   __ lw(a1, MemOperand(sp, (arg_count + 1) * kPointerSize));
   __ li(a0, Operand(arg_count));
   __ Call(isolate()->builtins()->Call(ConvertReceiverMode::kNullOrUndefined),
           RelocInfo::CODE_TARGET);
 }
 
 
 void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
@@ skipping 787 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS