Adds armv5 build and test target.

runtime/vm/assembler_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"  // NOLINT
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 3252 matching lines @@
   AddImmediate(SP, -frame_size);
 }
 
 
 // On entry to a function compiled for OSR, the caller's frame pointer, the
 // stack locals, and any copied parameters are already in place.  The frame
 // pointer is already set up.  The PC marker is not correct for the
 // optimized function and there may be extra space for spill slots to
 // allocate. We must also set up the pool pointer for the function.
 void Assembler::EnterOsrFrame(intptr_t extra_size) {
-  // The offset for the PC marker is adjusted by the difference in PC offset
-  // between stores and other instructions. In particular, on some ARMv5's the
-  // PC offset for stores is 12 and the offset in other instructions is 8.
-  const intptr_t offset = CodeSize() -
-      (TargetCPUFeatures::store_pc_read_offset() - Instr::kPCReadOffset);
+  // mov(IP, Operand(PC)) loads PC + Instr::kPCReadOffset (8). This may be
+  // different from EntryPointToPcMarkerOffset().
+  const intptr_t offset =
+      CodeSize() + Instr::kPCReadOffset - EntryPointToPcMarkerOffset();
 
   Comment("EnterOsrFrame");
   mov(IP, Operand(PC));
 
   AddImmediate(IP, -offset);
   str(IP, Address(FP, kPcMarkerSlotFromFp * kWordSize));
 
   // Setup pool pointer for this dart function.
   LoadPoolPointer();
 
@@ skipping 294 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM