Commit Graph

5 Commits

Author SHA1 Message Date
Evgeniy Stepanov fbc3da577c [cfi] Cross-DSO CFI diagnostic mode (LLVM part).
* __cfi_check gets a 3rd argument: ubsan handler data
* Instead of trapping on failure, call __cfi_check_fail which must be
  present in the module (generated in the frontend).

llvm-svn: 258746
2016-01-25 23:35:03 +00:00
Richard Trieu 8f3118f449 Remove one of the void casts used to suppress unused variable warning.
llvm-svn: 255709
2015-12-15 23:47:17 +00:00
Evgeniy Stepanov 4059eeca82 Suppress unused variable warning in the no-asserts build.
llvm-svn: 255706
2015-12-15 23:30:29 +00:00
Richard Trieu fc69e7d65b Cast variable to void to resolve unused variable warning in non-asserts builds.
llvm-svn: 255704
2015-12-15 23:25:34 +00:00
Evgeniy Stepanov 67849d56c3 Cross-DSO control flow integrity (LLVM part).
An LTO pass that generates a __cfi_check() function that validates a
call based on a hash of the call-site-known type and the target
pointer.

llvm-svn: 255693
2015-12-15 23:00:08 +00:00