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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without | 
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are | 
| 4 // met: | 4 // met: | 
| 5 // | 5 // | 
| 6 //     * Redistributions of source code must retain the above copyright | 6 //     * Redistributions of source code must retain the above copyright | 
| 7 //       notice, this list of conditions and the following disclaimer. | 7 //       notice, this list of conditions and the following disclaimer. | 
| 8 //     * Redistributions in binary form must reproduce the above | 8 //     * Redistributions in binary form must reproduce the above | 
| 9 //       copyright notice, this list of conditions and the following | 9 //       copyright notice, this list of conditions and the following | 
| 10 //       disclaimer in the documentation and/or other materials provided | 10 //       disclaimer in the documentation and/or other materials provided | 
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| 169   // clobbered if it the same as the holder register. The function | 169   // clobbered if it the same as the holder register. The function | 
| 170   // returns a register containing the holder - either object_reg or | 170   // returns a register containing the holder - either object_reg or | 
| 171   // holder_reg. | 171   // holder_reg. | 
| 172   Register CheckMaps(JSObject* object, Register object_reg, | 172   Register CheckMaps(JSObject* object, Register object_reg, | 
| 173                      JSObject* holder, Register holder_reg, | 173                      JSObject* holder, Register holder_reg, | 
| 174                      Register scratch, Label* miss); | 174                      Register scratch, Label* miss); | 
| 175 | 175 | 
| 176   // Generate code for checking access rights - used for security checks | 176   // Generate code for checking access rights - used for security checks | 
| 177   // on access to global objects across environments. The holder register | 177   // on access to global objects across environments. The holder register | 
| 178   // is left untouched, whereas both scratch registers are clobbered. | 178   // is left untouched, whereas both scratch registers are clobbered. | 
| 179   void CheckAccessGlobal(Register holder_reg, Register scratch, Label* miss); | 179   void CheckAccessGlobalProxy(Register holder_reg, | 
|  | 180                               Register scratch, | 
|  | 181                               Label* miss); | 
| 180 | 182 | 
| 181 | 183 | 
| 182   // --------------------------------------------------------------------------- | 184   // --------------------------------------------------------------------------- | 
| 183   // Support functions. | 185   // Support functions. | 
| 184 | 186 | 
| 185   // Generates code for reporting that an illegal operation has | 187   // Generates code for reporting that an illegal operation has | 
| 186   // occurred. | 188   // occurred. | 
| 187   void IllegalOperation(int num_arguments); | 189   void IllegalOperation(int num_arguments); | 
| 188 | 190 | 
| 189 | 191 | 
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| 276 // Generate a MemOperand for loading a field from an object. | 278 // Generate a MemOperand for loading a field from an object. | 
| 277 static inline MemOperand FieldMemOperand(Register object, int offset) { | 279 static inline MemOperand FieldMemOperand(Register object, int offset) { | 
| 278   return MemOperand(object, offset - kHeapObjectTag); | 280   return MemOperand(object, offset - kHeapObjectTag); | 
| 279 } | 281 } | 
| 280 | 282 | 
| 281 | 283 | 
| 282 | 284 | 
| 283 } }  // namespace v8::internal | 285 } }  // namespace v8::internal | 
| 284 | 286 | 
| 285 #endif  // V8_MACRO_ASSEMBLER_ARM_H_ | 287 #endif  // V8_MACRO_ASSEMBLER_ARM_H_ | 
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