Trace allocation of arrays

runtime/vm/assembler_arm.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 3459 matching lines @@
 
 
 void Assembler::TryAllocateArray(intptr_t cid,
                                  intptr_t instance_size,
                                  Label* failure,
                                  Register instance,
                                  Register end_address,
                                  Register temp1,
                                  Register temp2) {
   if (FLAG_inline_alloc) {
+    // If this allocation is traced, program will jump to failure path
+    // (i.e. the allocation stub) which will allocate the object and trace the
+    // allocation call site.
+    MaybeTraceAllocation(cid, temp1, failure);
     Isolate* isolate = Isolate::Current();
     Heap* heap = isolate->heap();
     Heap::Space space = heap->SpaceForAllocation(cid);
     LoadImmediate(temp1, heap->TopAddress(space));
     ldr(instance, Address(temp1, 0));  // Potential new object start.
     AddImmediateSetFlags(end_address, instance, instance_size);
     b(failure, CS);  // Branch if unsigned overflow.
 
     // Check if the allocation fits into the remaining space.
     // instance: potential new object start.
@@ skipping 134 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM