Port count-based profiler to ARM

src/ia32/full-codegen-ia32.cc

 // Copyright 2012 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 16 matching lines @@
 
 #include "v8.h"
 
 #if defined(V8_TARGET_ARCH_IA32)
 
 #include "code-stubs.h"
 #include "codegen.h"
 #include "compiler.h"
 #include "debug.h"
 #include "full-codegen.h"
+#include "isolate-inl.h"
 #include "parser.h"
 #include "scopes.h"
 #include "stub-cache.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm_)
 
 
@@ skipping 46 matching lines @@
   }
 
   MacroAssembler* masm_;
   Label patch_site_;
 #ifdef DEBUG
   bool info_emitted_;
 #endif
 };
 
 
+// TODO(jkummerow): Obsolete as soon as x64 is updated. Remove.

[Erik Corry, 2012/03/23 09:55:53]

hmmm

[Jakob Kummerow, 2012/03/23 12:07:32]

See my response in full-codegen-arm.cc.

 int FullCodeGenerator::self_optimization_header_size() {
+  UNREACHABLE();
   return 13;
 }
 
 
 // Generate code for a JS function.  On entry to the function the receiver
 // and arguments have been pushed on the stack left to right, with the
 // return address on top of them.  The actual argument count matches the
 // formal parameter count expected by the function.
 //
 // The live registers are:
@@ skipping 200 matching lines @@
          Immediate(Smi::FromInt(delta)));
 }
 
 
 void FullCodeGenerator::EmitProfilingCounterReset() {
   int reset_value = FLAG_interrupt_budget;
   if (info_->ShouldSelfOptimize() && !FLAG_retry_self_opt) {
     // Self-optimization is a one-off thing: if it fails, don't try again.
     reset_value = Smi::kMaxValue;
   }
+  if (isolate()->IsDebuggerActive()) {
+    reset_value = 10;
+  }
   __ mov(ebx, Immediate(profiling_counter_));
   __ mov(FieldOperand(ebx, JSGlobalPropertyCell::kValueOffset),
          Immediate(Smi::FromInt(reset_value)));
 }
 
 
 void FullCodeGenerator::EmitStackCheck(IterationStatement* stmt,
                                        Label* back_edge_target) {
   Comment cmnt(masm_, "[ Stack check");
   Label ok;
@@ skipping 4162 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32