attr-enforce-tcb-errors.cpp - OpenGrok history log for /llvm-project-15.0.7/clang/test/Sema/attr-enforce-tcb-errors.cpp

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# 35c9baa1	11-Jan-2021	Sean Dooher <[email protected]>	[attributes] Add a facility for enforcing a Trusted Computing Base. Introduce a function attribute 'enforce_tcb' that prevents the function from calling other functions without the same attribute. [attributes] Add a facility for enforcing a Trusted Computing Base. Introduce a function attribute 'enforce_tcb' that prevents the function from calling other functions without the same attribute. This allows isolating code that's considered to be somehow privileged so that it could not use its privileges to exhibit arbitrary behavior. Introduce an on-by-default warning '-Wtcb-enforcement' that warns about violations of the above rule. Introduce a function attribute 'enforce_tcb_leaf' that suppresses the new warning within the function it is attached to. Such leaf functions may implement common functionality between the trusted and the untrusted code but they require extra careful audit with respect to their capabilities. Fixes after a revert in 419ef38a50293c58078f830517f5e305068dbee6: Fix a test. Add workaround for GCC bug (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67274). Attribute the patch appropriately! Differential Revision: https://reviews.llvm.org/D91898 show more ...
# c163aae4	11-Jan-2021	Artem Dergachev <[email protected]>	[attributes] Add a facility for enforcing a Trusted Computing Base. Introduce a function attribute 'enforce_tcb' that prevents the function from calling other functions without the same attribute. [attributes] Add a facility for enforcing a Trusted Computing Base. Introduce a function attribute 'enforce_tcb' that prevents the function from calling other functions without the same attribute. This allows isolating code that's considered to be somehow privileged so that it could not use its privileges to exhibit arbitrary behavior. Introduce an on-by-default warning '-Wtcb-enforcement' that warns about violations of the above rule. Introduce a function attribute 'enforce_tcb_leaf' that suppresses the new warning within the function it is attached to. Such leaf functions may implement common functionality between the trusted and the untrusted code but they require extra careful audit with respect to their capabilities. Differential Revision: https://reviews.llvm.org/D91898 show more ...