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ANDROID: add support for Clang's Control Flow Integrity (CFI)

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This change adds the CONFIG_CFI_CLANG option, CFI error handling,
and a faster look-up table for cross module CFI checks.

Bug: 145210207
Change-Id: I68d620ca548a911e2f49ba801bc0531406e679a3
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
This commit is contained in:
Sami Tolvanen
2019-04-25 16:09:05 -07:00
committed by Alistair Delva
parent 3d04fb2c95
commit 2c351bb70a
13 changed files with 518 additions and 5 deletions
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2
include/linux/compiler-clang.h
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@@ -65,3 +65,5 @@
#if __has_feature(shadow_call_stack)
# define __noscs __attribute__((__no_sanitize__("shadow-call-stack")))
#endif
#define __nocfi __attribute__((__no_sanitize__("cfi")))