Fix issue 553: function frame is skipped in profile when compare stub is called.

src/platform-linux.cc

 // Copyright 2006-2008 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 689 matching lines @@
   if (active_sampler_ == NULL) return;
 
   TickSample sample;
 
   // If profiling, we extract the current pc and sp.
   if (active_sampler_->IsProfiling()) {
     // Extracting the sample from the context is extremely machine dependent.
     ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context);
     mcontext_t& mcontext = ucontext->uc_mcontext;
 #if V8_HOST_ARCH_IA32
-    sample.pc = mcontext.gregs[REG_EIP];
-    sample.sp = mcontext.gregs[REG_ESP];
-    sample.fp = mcontext.gregs[REG_EBP];
+    sample.pc = reinterpret_cast<Address>(mcontext.gregs[REG_EIP]);
+    sample.sp = reinterpret_cast<Address>(mcontext.gregs[REG_ESP]);
+    sample.fp = reinterpret_cast<Address>(mcontext.gregs[REG_EBP]);
 #elif V8_HOST_ARCH_X64
-    sample.pc = mcontext.gregs[REG_RIP];
-    sample.sp = mcontext.gregs[REG_RSP];
-    sample.fp = mcontext.gregs[REG_RBP];
+    sample.pc = reinterpret_cast<Address>(mcontext.gregs[REG_RIP]);
+    sample.sp = reinterpret_cast<Address>(mcontext.gregs[REG_RSP]);
+    sample.fp = reinterpret_cast<Address>(mcontext.gregs[REG_RBP]);
 #elif V8_HOST_ARCH_ARM
 // An undefined macro evaluates to 0, so this applies to Android's Bionic also.
 #if (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3))
-    sample.pc = mcontext.gregs[R15];
-    sample.sp = mcontext.gregs[R13];
-    sample.fp = mcontext.gregs[R11];
+    sample.pc = reinterpret_cast<Address>(mcontext.gregs[R15]);
+    sample.sp = reinterpret_cast<Address>(mcontext.gregs[R13]);
+    sample.fp = reinterpret_cast<Address>(mcontext.gregs[R11]);
 #else
-    sample.pc = mcontext.arm_pc;
-    sample.sp = mcontext.arm_sp;
-    sample.fp = mcontext.arm_fp;
+    sample.pc = reinterpret_cast<Address>(mcontext.arm_pc);
+    sample.sp = reinterpret_cast<Address>(mcontext.arm_sp);
+    sample.fp = reinterpret_cast<Address>(mcontext.arm_fp);
 #endif
 #endif
     if (IsVmThread())
       active_sampler_->SampleStack(&sample);
   }
 
   // We always sample the VM state.
   sample.state = Logger::state();
 
   active_sampler_->Tick(&sample);
@@ skipping 62 matching lines @@
 
   // This sampler is no longer the active sampler.
   active_sampler_ = NULL;
   active_ = false;
 }
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal