Start incorporating the ARM integrated assembler.

src/DartARM32/assembler_arm.h

 // 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.
 //
 // This is forked from Dart revision df52deea9f25690eb8b66c5995da92b70f7ac1fe
 // Please update the (git) revision if we merge changes from Dart.
 // https://code.google.com/p/dart/wiki/GettingTheSource
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm.h directly; use assembler.h instead.
 #endif
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/constants_arm.h"
 #include "vm/cpu.h"
 #include "vm/hash_map.h"
 #include "vm/object.h"
 #include "vm/simulator.h"
 
 namespace dart {
 
 // Forward declarations.
 class RuntimeEntry;
 class StubEntry;
 
-
+#if 0
+// Moved to: ARM32::AssemblerARM32.
 // Instruction encoding bits.
 enum {
   H   = 1 << 5,   // halfword (or byte)
   L   = 1 << 20,  // load (or store)
   S   = 1 << 20,  // set condition code (or leave unchanged)
   W   = 1 << 21,  // writeback base register (or leave unchanged)
   A   = 1 << 21,  // accumulate in multiply instruction (or not)
   B   = 1 << 22,  // unsigned byte (or word)
   D   = 1 << 22,  // high/lo bit of start of s/d register range
   N   = 1 << 22,  // long (or short)
@@ skipping 20 matching lines @@
   B19 = 1 << 19,
   B20 = 1 << 20,
   B21 = 1 << 21,
   B22 = 1 << 22,
   B23 = 1 << 23,
   B24 = 1 << 24,
   B25 = 1 << 25,
   B26 = 1 << 26,
   B27 = 1 << 27,
 };
-
+#endif
 
 class Label : public ValueObject {
  public:
   Label() : position_(0) { }
 
   ~Label() {
     // Assert if label is being destroyed with unresolved branches pending.
     ASSERT(!IsLinked());
   }
 
@@ skipping 443 matching lines @@
   void stm(BlockAddressMode am, Register base,
            RegList regs, Condition cond = AL);
 
   void ldrex(Register rd, Register rn, Condition cond = AL);
   void strex(Register rd, Register rt, Register rn, Condition cond = AL);
 
   // Miscellaneous instructions.
   void clrex();
   void nop(Condition cond = AL);
 
+#if 0
+  // Moved to: ARM32::AssemblerARM32.
   // Note that gdb sets breakpoints using the undefined instruction 0xe7f001f0.
   void bkpt(uint16_t imm16);
 
   static int32_t BkptEncoding(uint16_t imm16) {
     // bkpt requires that the cond field is AL.
     return (AL << kConditionShift) | B24 | B21 |
            ((imm16 >> 4) << 8) | B6 | B5 | B4 | (imm16 & 0xf);
   }
+#endif
 
   static uword GetBreakInstructionFiller() {
     return BkptEncoding(0);
   }
 
   // Floating point instructions (VFPv3-D16 and VFPv3-D32 profiles).
   void vmovsr(SRegister sn, Register rt, Condition cond = AL);
   void vmovrs(Register rt, SRegister sn, Condition cond = AL);
   void vmovsrr(SRegister sm, Register rt, Register rt2, Condition cond = AL);
   void vmovrrs(Register rt, Register rt2, SRegister sm, Condition cond = AL);
@@ skipping 100 matching lines @@
   // a list of 'length' registers starting with dn. The result is placed in dd.
   void vtbl(DRegister dd, DRegister dn, int length, DRegister dm);
 
   // The words of qd and qm are interleaved with the low words of the result
   // in qd and the high words in qm.
   void vzipqw(QRegister qd, QRegister qm);
 
   // Branch instructions.
   void b(Label* label, Condition cond = AL);
   void bl(Label* label, Condition cond = AL);
+#if 0
+  // Moved to: ARM32::AssemblerARM32.
   void bx(Register rm, Condition cond = AL);
+#endif
   void blx(Register rm, Condition cond = AL);
 
   void Branch(const StubEntry& stub_entry,
               Patchability patchable = kNotPatchable,
               Register pp = PP,
               Condition cond = AL);
 
   void BranchLink(const StubEntry& stub_entry,
                   Patchability patchable = kNotPatchable);
   void BranchLink(const Code& code, Patchability patchable);
@@ skipping 531 matching lines @@
                      Register new_value,
                      FieldContent old_content);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_