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3 Commits

Author SHA1 Message Date
Petr Hosek
1462430d42 [AArch64][Fuchsia] Allow -mcmodel=kernel for --target=aarch64-fuchsia 
This mode is just like -mcmodel=small except that it moves the
thread pointer from TPIDR_EL0 to TPIDR_EL1.

Patch by Roland McGrath.

Differential Revision: https://reviews.llvm.org/D31624

llvm-svn: 299462
 2017-04-04 19:51:53 +00:00
Petr Hosek
ea0c98b8f9 [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
c80f414fe8 Faster stack-protector for Android/AArch64. 
Bionic has a defined thread-local location for the stack protector
cookie. Emit a direct load instead of going through __stack_chk_guard.

llvm-svn: 265481
 2016-04-05 22:41:50 +00:00