[AArch64][2/4] Generate dwarf information for -msign-return-address
authorJiong Wang <jiong.wang@arm.com>
Fri, 20 Jan 2017 00:05:30 +0000 (00:05 +0000)
committerJiong Wang <jiwang@gcc.gnu.org>
Fri, 20 Jan 2017 00:05:30 +0000 (00:05 +0000)
commit27169e45d4c16032c2fdee7b89883a1ca62b2b93
tree973ab061acd52a557d12c128f6752e9cf448da42
parentdb58fd8954f5dfd868dbed110f2c8a04bb4b0753
[AArch64][2/4] Generate dwarf information for -msign-return-address

gcc/
* reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
* combine-stack-adj.c (no_unhandled_cfa): Handle
REG_CFA_TOGGLE_RA_MANGLE.
* dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
* config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
info for return address signing.
(aarch64_expand_epilogue): Likewise.

From-SVN: r244667
gcc/ChangeLog
gcc/combine-stack-adj.c
gcc/config/aarch64/aarch64.c
gcc/dwarf2cfi.c
gcc/reg-notes.def