src/include/arm_sandbox.h - Issue 11361222: ARM validator: fix sandbox escape with SP update at the end of the last bundle

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Side by Side Diff: src/include/arm_sandbox.h

Issue 11361222: ARM validator: fix sandbox escape with SP update at the end of the last bundle (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client

Patch Set: Fix comments from mseaborn. Created 8 years, 1 month ago

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1 /*	1 /*

2 * Copyright (c) 2012 The Native Client Authors. All rights reserved.	2 * Copyright (c) 2012 The Native Client Authors. All rights reserved.

3 * Use of this source code is governed by a BSD-style license that can be	3 * Use of this source code is governed by a BSD-style license that can be

4 * found in the LICENSE file.	4 * found in the LICENSE file.

5 */	5 */

6	6

7 /*	7 /*

8 * Minimal ARM sandbox constants.	8 * Minimal ARM sandbox constants.

9 *	9 *

10 * These constants are used in C code as well as assembly, hence the use of	10 * These constants are used in C code as well as assembly, hence the use of

(...skipping 49 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
60 #define NACL_INSTR_ARM_ABORT_NOW 0xE7FEDEF0	60 #define NACL_INSTR_ARM_ABORT_NOW 0xE7FEDEF0

61	61

62 /*	62 /*

63 * UDF #0xEDE1: always fail validation.	63 * UDF #0xEDE1: always fail validation.

64 *	64 *

65 * It's guaranteed to always fail, and can be used to initialize buffers	65 * It's guaranteed to always fail, and can be used to initialize buffers

66 * that are expected to be filled later.	66 * that are expected to be filled later.

67 */	67 */

68 #define NACL_INSTR_ARM_FAIL_VALIDATION 0xE7FEDEF1	68 #define NACL_INSTR_ARM_FAIL_VALIDATION 0xE7FEDEF1

69	69

	70 /*

	71 * NOP.

	72 *

	73 * This NOP encoding is the newer NOP instead of being the one that aliases

	74 * to MOV. Note: It can actually decrease performance compared to MOV.

	75 */

	76 #define NACL_INSTR_ARM_NOP 0xE320F000

	77

70 #endif /* NATIVE_CLIENT_SRC_INCLUDE_ARM_SANDBOX_H_ */	78 #endif /* NATIVE_CLIENT_SRC_INCLUDE_ARM_SANDBOX_H_ */

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