Auto create ApiLocalScope before calling native functions, this ensures that

runtime/vm/simulator_mips.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 <math.h>  // for isnan.
 #include <setjmp.h>
 #include <stdlib.h>
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_MIPS)
@@ skipping 955 matching lines @@
 typedef void (*SimulatorRuntimeCall)(NativeArguments arguments);
 
 // Calls to leaf Dart runtime functions are based on this interface.
 typedef int32_t (*SimulatorLeafRuntimeCall)(
     int32_t r0, int32_t r1, int32_t r2, int32_t r3);
 
 // Calls to leaf float Dart runtime functions are based on this interface.
 typedef double (*SimulatorLeafFloatRuntimeCall)(double d0, double d1);
 
 // Calls to native Dart functions are based on this interface.
-typedef void (*SimulatorNativeCall)(NativeArguments* arguments);
+typedef void (*SimulatorBootstrapNativeCall)(NativeArguments* arguments);
+typedef void (*SimulatorNativeCall)(NativeArguments* arguments, uword target);
 
 
 void Simulator::DoBreak(Instr *instr) {
   ASSERT(instr->OpcodeField() == SPECIAL);
   ASSERT(instr->FunctionField() == BREAK);
   if (instr->BreakCodeField() == Instr::kStopMessageCode) {
     SimulatorDebugger dbg(this);
     const char* message = *reinterpret_cast<const char**>(
         reinterpret_cast<intptr_t>(instr) - Instr::kInstrSize);
     set_pc(get_pc() + Instr::kInstrSize);
@@ skipping 14 matching lines @@
 
     if (!setjmp(buffer.buffer_)) {
       int32_t saved_ra = get_register(RA);
       Redirection* redirection = Redirection::FromBreakInstruction(instr);
       uword external = redirection->external_function();
       if (FLAG_trace_sim) {
         OS::Print("Call to host function at 0x%"Pd"\n", external);
       }
 
       if ((redirection->call_kind() == kRuntimeCall) ||
+          (redirection->call_kind() == kBootstrapNativeCall) ||
           (redirection->call_kind() == kNativeCall)) {
         // Set the top_exit_frame_info of this simulator to the native stack.
         set_top_exit_frame_info(reinterpret_cast<uword>(&buffer));
       }
       if (redirection->call_kind() == kRuntimeCall) {
         NativeArguments arguments;
         ASSERT(sizeof(NativeArguments) == 4*kWordSize);
         arguments.isolate_ = reinterpret_cast<Isolate*>(get_register(A0));
         arguments.argc_tag_ = get_register(A1);
         arguments.argv_ = reinterpret_cast<RawObject*(*)[]>(get_register(A2));
@@ skipping 17 matching lines @@
         ASSERT((0 <= redirection->argument_count()) &&
                (redirection->argument_count() <= 2));
         // double values are passed and returned in floating point registers.
         SimulatorLeafFloatRuntimeCall target =
             reinterpret_cast<SimulatorLeafFloatRuntimeCall>(external);
         double d0 = 0.0;
         double d6 = get_fregister_double(F12);
         double d7 = get_fregister_double(F14);
         d0 = target(d6, d7);
         set_fregister_double(F0, d0);
+      } else if (redirection->call_kind() == kBootstrapNativeCall) {
+        NativeArguments* arguments;
+        arguments = reinterpret_cast<NativeArguments*>(get_register(A0));
+        SimulatorBootstrapNativeCall target =
+            reinterpret_cast<SimulatorBootstrapNativeCall>(external);
+        target(arguments);
+        set_register(V0, icount_);  // Zap result register from void function.
+        set_register(V1, icount_);
       } else {
         ASSERT(redirection->call_kind() == kNativeCall);
         NativeArguments* arguments;
         arguments = reinterpret_cast<NativeArguments*>(get_register(A0));
+        uword target_func = get_register(A1);
         SimulatorNativeCall target =
             reinterpret_cast<SimulatorNativeCall>(external);
-        target(arguments);
+        target(arguments, target_func);
         set_register(V0, icount_);  // Zap result register from void function.
         set_register(V1, icount_);
       }
       set_top_exit_frame_info(0);
 
       // Zap caller-saved registers, since the actual runtime call could have
       // used them.
       set_register(T0, icount_);
       set_register(T1, icount_);
       set_register(T2, icount_);
@@ skipping 1169 matching lines @@
   set_register(kExceptionObjectReg, bit_cast<int32_t>(raw_exception));
   set_register(kStackTraceObjectReg, bit_cast<int32_t>(raw_stacktrace));
   buf->Longjmp();
 }
 
 }  // namespace dart
 
 #endif  // !defined(HOST_ARCH_MIPS)
 
 #endif  // defined TARGET_ARCH_MIPS