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2 Commits

Author SHA1 Message Date
Evgeniy Stepanov 028685a5db Relax checks in cfi-cross-dso test. 
The test is failing with unnamed labels.

llvm-svn: 255712
 2015-12-15 23:49:51 +00:00
Evgeniy Stepanov fd6f92d5cb Cross-DSO control flow integrity (Clang part). 
Clang-side cross-DSO CFI.

* Adds a command line flag -f[no-]sanitize-cfi-cross-dso.
* Links a runtime library when enabled.
* Emits __cfi_slowpath calls is bitset test fails.
* Emits extra hash-based bitsets for external CFI checks.
* Sets a module flag to enable __cfi_check generation during LTO.

This mode does not yet support diagnostics.

llvm-svn: 255694
 2015-12-15 23:00:20 +00:00