Record statement positions for the debugger in the fast code generator.

src/arm/fast-codegen-arm.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 33 matching lines @@
 //   o r1: the JS function object being called (ie, ourselves)
 //   o cp: our context
 //   o fp: our caller's frame pointer
 //   o sp: stack pointer
 //   o lr: return address
 //
 // The function builds a JS frame.  Please see JavaScriptFrameConstants in
 // frames-arm.h for its layout.
 void FastCodeGenerator::Generate(FunctionLiteral* fun) {
   function_ = fun;
+  // ARM does NOT call SetFunctionPosition.
 
   __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit());
   // Adjust fp to point to caller's fp.
   __ add(fp, sp, Operand(2 * kPointerSize));
 
   { Comment cmnt(masm_, "[ Allocate locals");
     int locals_count = fun->scope()->num_stack_slots();
     if (locals_count > 0) {
       __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
     }
@@ skipping 21 matching lines @@
   }
 
   { Comment cmnt(masm_, "[ Body");
     VisitStatements(fun->body());
   }
 
   { Comment cmnt(masm_, "[ return <undefined>;");
     // Emit a 'return undefined' in case control fell off the end of the
     // body.
     __ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
+    SetReturnPosition(fun);
     __ RecordJSReturn();
     __ mov(sp, fp);
     __ ldm(ia_w, sp, fp.bit() | lr.bit());
     int num_parameters = function_->scope()->num_parameters();
     __ add(sp, sp, Operand((num_parameters + 1) * kPointerSize));
     __ Jump(lr);
   }
 }
 
 
 void FastCodeGenerator::VisitExpressionStatement(ExpressionStatement* stmt) {
   Comment cmnt(masm_, "[ ExpressionStatement");
+  SetStatementPosition(stmt);
   Visit(stmt->expression());
   __ pop();
 }
 
 
 void FastCodeGenerator::VisitReturnStatement(ReturnStatement* stmt) {
   Comment cmnt(masm_, "[ ReturnStatement");
+  SetStatementPosition(stmt);
   Visit(stmt->expression());
   __ pop(r0);
   __ RecordJSReturn();
   __ mov(sp, fp);
   __ ldm(ia_w, sp, fp.bit() | lr.bit());
     int num_parameters = function_->scope()->num_parameters();
   __ add(sp, sp, Operand((num_parameters + 1) * kPointerSize));
   __ Jump(lr);
 }
 
@@ skipping 19 matching lines @@
   Visit(expr->value());
 
   Variable* var = expr->target()->AsVariableProxy()->AsVariable();
   ASSERT(var != NULL && var->slot() != NULL);
   __ ldr(ip, MemOperand(sp));
   __ str(ip, MemOperand(fp, SlotOffset(var->slot())));
 }
 
 
 } }  // namespace v8::internal