VM: New calling convention for generated code.

runtime/vm/constants_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.
 
 #ifndef VM_CONSTANTS_ARM_H_
 #define VM_CONSTANTS_ARM_H_
 
 #include "platform/globals.h"
 #include "platform/assert.h"
 
@@ skipping 27 matching lines @@
   R7  =  7,
   R8  =  8,
   R9  =  9,
   R10 = 10,
   R11 = 11,
   R12 = 12,
   R13 = 13,
   R14 = 14,
   kLastFreeCpuRegister = 14,
   R15 = 15,
-  FP  = 11,
-  IP  = 12,
-  SP  = 13,
-  LR  = 14,
-  PC  = 15,
+  FP  = R11,
+  IP  = R12,
+  SP  = R13,
+  LR  = R14,
+  PC  = R15,
   kNumberOfCpuRegisters = 16,
 };
 
 
 // Values for single-precision floating point registers.
 enum SRegister {
   kNoSRegister = -1,
   S0  =  0,
   S1  =  1,
   S2  =  2,
@@ skipping 161 matching lines @@
 // Architecture independent aliases.
 typedef QRegister FpuRegister;
 
 const FpuRegister FpuTMP = QTMP;
 const int kNumberOfFpuRegisters = kNumberOfQRegisters;
 const FpuRegister kNoFpuRegister = kNoQRegister;
 
 // Register aliases.
 const Register TMP = IP;  // Used as scratch register by assembler.
 const Register TMP2 = kNoRegister;  // There is no second assembler temporary.
-const Register CTX = R9;  // Location of current context at method entry.
-const Register PP = R10;  // Caches object pool pointer in generated code.
+const Register CTX = R10;  // Location of current context at method entry.
+const Register PP = R9;  // Caches object pool pointer in generated code.
 const Register SPREG = SP;  // Stack pointer register.
 const Register FPREG = FP;  // Frame pointer register.
 const Register LRREG = LR;  // Link register.
 const Register ICREG = R5;  // IC data register.
 const Register ARGS_DESC_REG = R4;
+const Register CODE_REG = R10;
 const Register THR = R8;  // Caches current thread in generated code.
 
 // R15 encodes APSR in the vmrs instruction.
 const Register APSR = R15;
 
 // Exception object is passed in this register to the catch handlers when an
 // exception is thrown.
 const Register kExceptionObjectReg = R0;
 
 // Stack trace object is passed in this register to the catch handlers when
@@ skipping 455 matching lines @@
   static Instr* At(uword pc) { return reinterpret_cast<Instr*>(pc); }
 
  private:
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(Instr);
 };
 
 }  // namespace dart
 
 #endif  // VM_CONSTANTS_ARM_H_