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3 Commits

Author SHA1 Message Date
Petr Hosek a7d5916308 [Fuchsia] Use thread-pointer ABI slots for stack-protector and safe-stack 
The Fuchsia ABI defines slots from the thread pointer where the
stack-guard value for stack-protector, and the unsafe stack pointer
for safe-stack, are stored. This parallels the Android ABI support.

Patch by Roland McGrath

Differential Revision: https://reviews.llvm.org/D30237

llvm-svn: 296081
 2017-02-24 03:10:10 +00:00
Evgeniy Stepanov ee2d77f6d6 Disable TLS for stack protector on Android API<17. 
The TLS slot did not exist back then.

llvm-svn: 296014
 2017-02-23 21:06:35 +00:00
Evgeniy Stepanov f17120a85f [safestack] Add canary to unsafe stack frames 
Add StackProtector to SafeStack. This adds limited protection against
data corruption in the caller frame. Current implementation treats
all stack protector levels as -fstack-protector-all.

llvm-svn: 266004
 2016-04-11 22:27:48 +00:00