[debugger] simplify reloc info for debug break slots.

src/full-codegen/x64/full-codegen-x64.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_X64
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 1970 matching lines @@
       // result = receiver[f](arg);
       __ bind(&l_call);
       __ movp(load_receiver, Operand(rsp, kPointerSize));
       __ Move(LoadDescriptor::SlotRegister(),
               SmiFromSlot(expr->KeyedLoadFeedbackSlot()));
       Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate(), SLOPPY).code();
       CallIC(ic, TypeFeedbackId::None());
       __ movp(rdi, rax);
       __ movp(Operand(rsp, 2 * kPointerSize), rdi);
 
-      SetCallPosition(expr, 1);
+      SetCallPosition(expr);
       __ Set(rax, 1);
       __ Call(
           isolate()->builtins()->Call(ConvertReceiverMode::kNotNullOrUndefined),
           RelocInfo::CODE_TARGET);
 
       __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
       __ Drop(1);  // The function is still on the stack; drop it.
 
       // if (!result.done) goto l_try;
       __ bind(&l_loop);
@@ skipping 738 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);
-  SetCallPosition(expr, arg_count);
+  SetCallPosition(expr);
   Handle<Code> ic = CodeFactory::CallIC(isolate(), arg_count, mode).code();
   __ Move(rdx, SmiFromSlot(expr->CallFeedbackICSlot()));
   __ movp(rdi, Operand(rsp, (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.
@@ skipping 82 matching lines @@
   // Push a copy of the function (found below the arguments) and resolve
   // eval.
   __ Push(Operand(rsp, (arg_count + 1) * kPointerSize));
   EmitResolvePossiblyDirectEval(arg_count);
 
   // Touch up the callee.
   __ movp(Operand(rsp, (arg_count + 1) * kPointerSize), rax);
 
   PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS);
 
-  SetCallPosition(expr, arg_count);
+  SetCallPosition(expr);
   __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize));
   __ Set(rax, arg_count);
   __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
   RecordJSReturnSite(expr);
   // Restore context register.
   __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
   context()->DropAndPlug(1, rax);
 }
 
 
@@ 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 rdi and rax.
   __ Set(rax, arg_count);
   __ movp(rdi, Operand(rsp, arg_count * kPointerSize));
 
   // Record call targets in unoptimized code, but not in the snapshot.
   __ EmitLoadTypeFeedbackVector(rbx);
   __ Move(rdx, 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 rdx.
   VisitForAccumulatorValue(super_call_ref->new_target_var());
   __ movp(rdx, result_register());
 
   // Load function and argument count into rdi and rax.
   __ Set(rax, arg_count);
   __ movp(rdi, Operand(rsp, arg_count * kPointerSize));
 
   __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
@@ skipping 722 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);
 
   // Check if the calling frame is an arguments adaptor frame.
   Label adaptor_frame, args_set_up, runtime;
   __ movp(rdx, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
   __ movp(rbx, Operand(rdx, StandardFrameConstants::kContextOffset));
   __ Cmp(rbx, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
   __ j(equal, &adaptor_frame);
   // default constructor has no arguments, so no adaptor frame means no args.
   __ movp(rax, Immediate(0));
   __ jmp(&args_set_up);
@@ skipping 398 matching lines @@
   __ PushRoot(Heap::kUndefinedValueRootIndex);
 
   __ LoadNativeContextSlot(expr->context_index(), rax);
 }
 
 
 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
 
-  SetCallPosition(expr, arg_count);
+  SetCallPosition(expr);
   __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize));
   __ Set(rax, 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 785 matching lines @@
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64