src/trusted/validator/x86/ncval_seg_sfi/ncvalidate_detailed.h - Issue 625923004: Delete old x86 validator.

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Issue 625923004: Delete old x86 validator. (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client

Patch Set: Created 6 years, 2 months ago

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1 /*

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

4 * found in the LICENSE file.

5 */

6

7 #ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCVAL_SEG_SFI_NCVALIDATE_DETAILE D_H__

8 #define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCVAL_SEG_SFI_NCVALIDATE_DETAILE D_H__

9

10 /*

11 * ncvalidate_details.h: Secondary API for the validator to the segment-based

12 * sandbox.

13 *

14 * This is a secondary interface to the validator for the segment-based sandbox.

15 * This version should be used when details about reporting errors is needed.

16 * In particular, this interface should be used when the validator is run

17 * in verbose or stubout mode. In these cases, getting details right

18 * (i.e. the instruction that causes a code segment to violate NaCl rules)

19 * is important. For verbose mode, this implies that the

20 * error messages will report each instruction that violates a NaCl rule. For

21 * stubout mode, it will automatically stub out (i.e. replace with HALT

22 * instructions) instructions that violate NaCl rules.

23 *

24 * See ncvalidate.h for the primary interface to the segment-based sandbox

25 * NaCl validator.

26 *

27 * This secondary interface is considerbly slower than the primary interface

28 * in that it does 2 walks over the code segment instead of one. However, by

29 * doing this second walk, it can generate more detailed error reports.

30 * The secondary interface is engaged if one calls NCValidateInitDetailed

31 * in place of NCValidateInit. The rest of the interface to the

32 * NaCl validator is the same.

33 *

34 * Basic usage:

35 * if (!NaClArchSuppported()) fail

36 * vstate = NCValidateInitDetailed(base, size, cpu_features)

37 * if vstate == 0 fail

38 * for each section:

39 * NCValidateSegment(maddr, base, size, vstate);

40 * rc = NCValidateFinish();

41 * if rc != 0 fail

42 * NCValidateFreeState(&vstate);

43 *

44 * See the README file in this directory for more info on the general

45 * structure of the validator.

46 */

47

48 #include "native_client/src/trusted/validator/x86/ncval_seg_sfi/ncvalidate.h"

49

50 /*

51 * NCValidateInitDetailed: Initialize NaCl validator internal state. Focus

52 * is on error details rather then performance. Note: The paramters and

53 * return values for this function is the same as NCValidateInit

54 * from the primary interface to the NaCl validator, and replaces it

55 * in the secondary interface.o

56 *

57 * Parameters:

58 * vbase: base virtual address for code segment

59 * codesize: size in bytes of code segment

60 * features: the features supported by the CPU that will run the code

61 * Returns:

62 * an initialized struct NCValidatorState * if everything is okay,

63 * else NULL

64 */

65 struct NCValidatorState *NCValidateInitDetailed(

66 const NaClPcAddress vbase,

67 const NaClMemorySize codesize,

68 const NaClCPUFeaturesX86 *features);

69

70 #endif /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCVAL_SEG_SFI_NCVALIDATE_DETA ILED_H__ */

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