src/trusted/validator/x86/ncval_reg_sfi/nc_opcode_histogram.h - Issue 625923004: Delete old x86 validator.

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Side by Side Diff: src/trusted/validator/x86/ncval_reg_sfi/nc_opcode_histogram.h

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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« src/trusted/validator/nacl.scons ('K') | « src/trusted/validator/x86/ncval_reg_sfi/nc_memory_protect.c ('k') | src/trusted/validator/x86/ncval_reg_sfi/nc_opcode_histogram.c » ('j') | src/trusted/validator_x86/build.scons » ('J')
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1 /*

2 * Copyright (c) 2011 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 /*

8 * Collects histogram information as a validator function.

9 *

10 * Note: The following functions are used to define a validator function

11 * for collecting this information. See header file ncvalidator_iter.h

12 * for more information on how to register these functions as a validator

13 * function.

14 */

15

16 #ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCVAL_REG_SFI_NC_OPCODE_HISTOGRA PH_H__

17 #define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCVAL_REG_SFI_NC_OPCODE_HISTOGRA PH_H__

18

19 #include "native_client/src/include/portability.h"

20 #include "native_client/src/shared/utils/types.h"

21

22 /* Defines a validator state. */

23 struct NaClValidatorState;

24

25 /* Defines an instruction iterator that processes a code segment. */

26 struct NaClInstIter;

27

28 /* Defines a data structure that holds data defining the opcode histogram

29 * being collected. Holds a histogram of the (first) byte of the found

30 * opcodes for each instruction.

31 */

32 typedef struct NaClOpcodeHistogram {

33 uint32_t opcode_histogram[256];

34 } NaClOpcodeHistogram;

35

36 /* Command line flag controlling whether an opcode histogram is

37 * collected while validating.

38 */

39 extern Bool NACL_FLAGS_opcode_histogram;

40

41 /* Initializes opcode histogram data in the validator state. */

42 void NaClOpcodeHistogramInitialize(struct NaClValidatorState* state);

43

44 /* Validator function to record histgram value for current instruction. */

45 void NaClOpcodeHistogramRecord(struct NaClValidatorState* state);

46

47 /* Validator print function to print out collected histogram. */

48 void NaClOpcodeHistogramPrintStats(struct NaClValidatorState* state);

49

50 #endif /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCVAL_REG_SFI_NC_OPCODE_HISTO GRAPH_H__ */

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