src/trusted/validator_ragel/validator.h - Issue 1234393005: A mechanism to identify/forbid/"rewrite" non-temporal instructions (and other)

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Unified Diff: src/trusted/validator_ragel/validator.h

Issue 1234393005: A mechanism to identify/forbid/"rewrite" non-temporal instructions (and other) (Closed) Base URL: https://chromium.googlesource.com/native_client/src/native_client.git@master

Patch Set: Fixing nits Created 5 years, 5 months ago

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« src/trusted/validator_ragel/dfa_validate_common.c ('K') | « src/trusted/validator_ragel/nacl_unsupported_proof.py ('k') | src/trusted/validator_ragel/validator.py » ('j') | no next file with comments »
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Index: src/trusted/validator_ragel/validator.h

diff --git a/src/trusted/validator_ragel/validator.h b/src/trusted/validator_ragel/validator.h

index 633195e3641150820f5167810867339ad3ef7c4c..30029a68abe4ce7c1e36fc88709f8dbba07d9ce0 100644

--- a/src/trusted/validator_ragel/validator.h

+++ b/src/trusted/validator_ragel/validator.h

@@ -64,7 +64,7 @@ enum validation_callback_info {

/* Was restricted_register from previous instruction used in this one? */

RESTRICTED_REGISTER_USED = 0x00002000,

/* Mask to select all validation errors. */

- VALIDATION_ERRORS_MASK = 0x01ffc000,

+ VALIDATION_ERRORS_MASK = 0x05ffc000,

/* Unrecognized instruction: fatal error, processing stops here. */

UNRECOGNIZED_INSTRUCTION = 0x00004000,

/* Direct jump to unaligned address outside of given region. */

@@ -95,6 +95,8 @@ enum validation_callback_info {

SP_MODIFIED = 0x01000000,

/* Bad call alignment: "call" must end at the end of the bundle. */

BAD_CALL_ALIGNMENT = 0x02000000,

+ /* The instruction should be either forbidden or rewritten. */

+ UNSUPPORTED_INSTRUCTION = 0x04000000,

/* Instruction is modifiable by nacl_dyncode_modify. */

MODIFIABLE_INSTRUCTION = 0x08000000,

/* Special instruction. Uses different, non-standard validation rules. */