VM: Use constant pool also for leaf runtime calls on x64, arm, arm64 and mips.

runtime/vm/stub_code_arm.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 "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/cpu.h"
@@ skipping 182 matching lines @@
 
   __ mov(R1, Operand(R5));  // Pass the function entrypoint to call.
   // Call native function invocation wrapper or redirection via simulator.
 #if defined(USING_SIMULATOR)
   uword entry = reinterpret_cast<uword>(NativeEntry::NativeCallWrapper);
   entry = Simulator::RedirectExternalReference(
       entry, Simulator::kNativeCall, NativeEntry::kNumCallWrapperArguments);
   __ LoadImmediate(R2, entry);
   __ blx(R2);
 #else
-  __ BranchLink(&NativeEntry::NativeCallWrapperLabel());
+  __ BranchLink(&NativeEntry::NativeCallWrapperLabel(), kNotPatchable);
 #endif
 
   // Mark that the isolate is executing Dart code.
   __ LoadImmediate(R2, VMTag::kDartTagId);
   __ StoreToOffset(kWord, R2, R9, Isolate::vm_tag_offset());
 
   // Reset exit frame information in Isolate structure.
   __ LoadImmediate(R2, 0);
   __ StoreToOffset(kWord, R2, THR, Thread::top_exit_frame_info_offset());
 
@@ skipping 206 matching lines @@
   __ eor(IP, IP, Operand(LR));
 
   // Set up the frame manually. We can't use EnterFrame because we can't
   // clobber LR (or any other register) with 0, yet.
   __ sub(SP, SP, Operand(kWordSize));  // Make room for PC marker of 0.
   __ Push(IP);  // Push return address.
   __ Push(FP);
   __ mov(FP, Operand(SP));
   __ Push(PP);
 
+  __ LoadPoolPointer();
+
   // Now that IP holding the return address has been written to the stack,
   // we can clobber it with 0 to write the null PC marker.
   __ mov(IP, Operand(0));
   __ str(IP, Address(SP, +3 * kWordSize));
 
   // The code in this frame may not cause GC. kDeoptimizeCopyFrameRuntimeEntry
   // and kDeoptimizeFillFrameRuntimeEntry are leaf runtime calls.
   const intptr_t saved_result_slot_from_fp =
       kFirstLocalSlotFromFp + 1 - (kNumberOfCpuRegisters - R0);
   // Result in R0 is preserved as part of pushing all registers below.
@@ skipping 22 matching lines @@
   if (preserve_result) {
     // Restore result into R1 temporarily.
     __ ldr(R1, Address(FP, saved_result_slot_from_fp * kWordSize));
   }
 
   __ LeaveDartFrame();
   __ sub(SP, FP, Operand(R0));
 
   // DeoptimizeFillFrame expects a Dart frame, i.e. EnterDartFrame(0), but there
   // is no need to set the correct PC marker or load PP, since they get patched.
-  __ mov(IP, Operand(LR));
-  __ mov(LR, Operand(0));
-  __ EnterFrame((1 << PP) | (1 << FP) | (1 << IP) | (1 << LR), 0);
+  __ EnterStubFrame();
   __ mov(R0, Operand(FP));  // Get last FP address.
   if (preserve_result) {
     __ Push(R1);  // Preserve result as first local.
   }
   __ ReserveAlignedFrameSpace(0);
   __ CallRuntime(kDeoptimizeFillFrameRuntimeEntry, 1);  // Pass last FP in R0.
   if (preserve_result) {
     // Restore result into R1.
     __ ldr(R1, Address(FP, kFirstLocalSlotFromFp * kWordSize));
   }
   // Code above cannot cause GC.
-  __ LeaveDartFrame();
+  __ LeaveStubFrame();
 
   // Frame is fully rewritten at this point and it is safe to perform a GC.
   // Materialize any objects that were deferred by FillFrame because they
   // require allocation.
   // Enter stub frame with loading PP. The caller's PP is not materialized yet.
   __ EnterStubFrame();
   if (preserve_result) {
     __ Push(R1);  // Preserve result, it will be GC-d here.
   }
   __ PushObject(Smi::ZoneHandle());  // Space for the result.
@@ skipping 1571 matching lines @@
 // Result:
 //  R1: entry point.
 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
   EmitMegamorphicLookup(assembler, R0, R1, R1);
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM