Evgeniy Stepanov f2afc9b765 [safestack] Fast access to the unsafe stack pointer on AArch64/Android. ...

Android libc provides a fixed TLS slot for the unsafe stack pointer,
and this change implements direct access to that slot on AArch64 via
__builtin_thread_pointer() + offset.

This change also moves more code into TargetLowering and its
target-specific subclasses to get rid of target-specific codegen
in SafeStackPass.

This change does not touch the ARM backend because ARM lowers
builting_thread_pointer as aeabi_read_tp, which is not available
on Android.

llvm-svn: 250456

2015-10-15 20:50:16 +00:00

..

llvm

[safestack] Fast access to the unsafe stack pointer on AArch64/Android.

2015-10-15 20:50:16 +00:00

llvm-c

[WinEH] Add cleanupendpad instruction

2015-09-03 09:09:43 +00:00