X87: Propagate Deopt reason to cpu-profiler

src/x87/deoptimizer-x87.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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
@@ skipping 223 matching lines @@
   const int kNumberOfRegisters = Register::kNumRegisters;
 
   const int kDoubleRegsSize =
       kDoubleSize * X87Register::kMaxNumAllocatableRegisters;
 
   // Reserve space for x87 fp registers.
   __ sub(esp, Immediate(kDoubleRegsSize));
 
   __ pushad();
 
+  ExternalReference c_entry_fp_address(Isolate::kCEntryFPAddress, isolate());
+  __ mov(Operand::StaticVariable(c_entry_fp_address), ebp);
+
   // GP registers are safe to use now.
   // Save used x87 fp registers in correct position of previous reserve space.
   Label loop, done;
   // Get the layout of x87 stack.
   __ sub(esp, Immediate(kPointerSize));
   __ fistp_s(MemOperand(esp, 0));
   __ pop(eax);
   // Preserve stack layout in edi
   __ mov(edi, eax);
   // Get the x87 stack depth, the first 3 bits.
@@ skipping 208 matching lines @@
   UNREACHABLE();
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87