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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/init.h
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@@ -47,7 +47,7 @@
/* These are for everybody (although not all archs will actually
discard it in modules) */
#define __init __section(".init.text") __cold __latent_entropy __noinitretpoline
#define __init __section(".init.text") __cold __latent_entropy __noinitretpoline __nocfi
#define __initdata __section(".init.data")
#define __initconst __section(".init.rodata")
#define __exitdata __section(".exit.data")