[Bug target/81708] The x86 stack canary location should be customizable
aldyh at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Sep 13 16:42:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81708
--- Comment #13 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 16:41:28 2017
New Revision: 252350
URL: https://gcc.gnu.org/viewcvs?rev=252350&root=gcc&view=rev
Log:
PR target/81708
* config/i386/i386.opt (mstack-protector-guard-reg=): New option
(mstack-protector-guard-offset=): Ditto.
* config/i386/i386.c (ix86_option_override): Handle
-mstack-protector-guard-reg= and -mstack-protector-guard-offset=
options.
(ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
ix86_stack_protect_guard_offset variables.
(TARGET_STACK_PROTECT_GUARD): Always define.
* doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
and -mstack-protector-guard-offset= options.
testsuite/ChangeLog:
PR target/81708
* gcc.target/i386/stack-prot-guard.c: New test.
Added:
branches/range-gen2/gcc/testsuite/gcc.target/i386/stack-prot-guard.c
Modified:
branches/range-gen2/gcc/ChangeLog
branches/range-gen2/gcc/config/i386/i386.c
branches/range-gen2/gcc/config/i386/i386.opt
branches/range-gen2/gcc/doc/invoke.texi
branches/range-gen2/gcc/testsuite/ChangeLog
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