On 11/02/2018 05:28 PM, Sam Tebbs wrote: > Hi all, > > This patch adds a new target hook called "asm_post_cfi_startproc". This hook > is > intended to be used by the aarch64 backend to emit a directive that enables > support for unwinding frames signed with the pointer authentication B-key. > This > hook is triggered after the ".cfi_startproc" directive is emitted in > gcc/dwarf2out.c. > > Bootstrapped on aarch64-none-linux-gnu and tested on aarch64-none-elf with no > regressions. > > Ok for trunk? > > gcc/ > 2018-11-02 Sam Tebbs<sam.te...@arm.com> > > * doc/tm.texi (TARGET_ASM_POST_CFI_STARTPROC): Define. > * doc/tm.texi.in (TARGET_ASM_POST_CFI_STARTPROC): Define. > * dwarf2out.c (dwarf2out_do_cfi_startproc): Trigger the hook. > * hooks.c (hook_void_FILEptr_tree): Define. > * hooks.h (hook_void_FILEptr_tree): Define. > * target.def (post_cfi_startproc): Define.
CCing global reviewers and dwarf maintainers.
