JS allocations tracking for arm architecture

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 8e187a49f331ea25eb8881eb1b337473d425549a..9c5fd195f737c9f1df24c13c8699b30c85cdcb57 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -1732,6 +1732,10 @@ void MacroAssembler::Allocate(int object_size,
     ldr(ip, MemOperand(topaddr, limit - top));
   }
 
+  if (isolate()->heap_profiler()->is_tracking_allocations()) {
+    RecordObjectAllocation(isolate(), result, object_size);
+  }
+
   if ((flags & DOUBLE_ALIGNMENT) != 0) {
     // Align the next allocation. Storing the filler map without checking top is
     // safe in new-space because the limit of the heap is aligned there.
@@ -1846,6 +1850,10 @@ void MacroAssembler::Allocate(Register object_size,
     ldr(ip, MemOperand(topaddr, limit - top));
   }
 
+  if (isolate()->heap_profiler()->is_tracking_allocations()) {
+    RecordObjectAllocation(isolate(), result, object_size);
+  }
+
   if ((flags & DOUBLE_ALIGNMENT) != 0) {
     // Align the next allocation. Storing the filler map without checking top is
     // safe in new-space because the limit of the heap is aligned there.
@@ -3995,6 +4003,42 @@ void CodePatcher::EmitCondition(Condition cond) {
 }
 
 
+void MacroAssembler::RecordObjectAllocation(Isolate* isolate,
+                                            Register object,
+                                            Register object_size) {
+  FrameScope frame(this, StackFrame::EXIT);
+  PushSafepointRegisters();
+  PrepareCallCFunction(3, r0);
+  mov(r0, Operand(ExternalReference::isolate_address(isolate)));
+  if (!object.is(r1)) {
+    mov(r1, object);
+  }
+  if (!object_size.is(r2)) {
+    mov(r2, object_size);
+  }
+  CallCFunction(
+      ExternalReference::record_object_allocation_function(isolate), 3);
+  PopSafepointRegisters();
+}
+
+
+void MacroAssembler::RecordObjectAllocation(Isolate* isolate,
+                                            Register object,
+                                            int object_size) {
+  FrameScope frame(this, StackFrame::EXIT);
+  PushSafepointRegisters();
+  PrepareCallCFunction(3, r0);
+  mov(r0, Operand(ExternalReference::isolate_address(isolate)));
+  if (!object.is(r1)) {
+    mov(r1, object);
+  }
+  mov(r2, Operand(object_size));
+  CallCFunction(
+      ExternalReference::record_object_allocation_function(isolate), 3);
+  PopSafepointRegisters();
+}
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM