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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index affd2f5a910..1f959bb8899 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,28 @@ +2017-01-19 Jiong Wang <jiong.wang@arm.com> + + * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum. + * config/aarch64/aarch64-protos.h + (aarch64_return_address_signing_enabled): New declaration. + * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled): + New function. + (aarch64_expand_prologue): Sign return address before it's pushed onto + stack. + (aarch64_expand_epilogue): Authenticate return address fetched from + stack. + (aarch64_override_options): Sanity check for ILP32 and ISA level. + (aarch64_attributes): New function attributes for "sign-return-address". + * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP, + UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs. + ("*do_return"): Generate combined instructions according to key index. + ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New. + * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer + iterators. + (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes. + * config/aarch64/aarch64.opt (msign-return-address=): New. + * doc/extend.texi (AArch64 Function Attributes): Documents + "sign-return-address=". + * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=". + 2017-01-19 Matthew Fortune <matthew.fortune@imgtec.com> * doc/invoke.texi: Add missing -mlxc1-sxc1 options to |