Date: Sun, 17 Sep 2017 20:07:20 +0000 (UTC) From: Justin Hibbits <jhibbits@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r323687 - head/sys/powerpc/powerpc Message-ID: <201709172007.v8HK7K4m030298@repo.freebsd.org>
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Author: jhibbits Date: Sun Sep 17 20:07:20 2017 New Revision: 323687 URL: https://svnweb.freebsd.org/changeset/base/323687 Log: Don't use a non-zero argument for __builtin_frame_address __builtin_frame_address with a non-zero argument is unsafe and rejected by newer gcc. Since it doesn't seem to impact the stacktrace, don't bother with gymnastics to unwind to a different frame for starting. PR: kern/220118 MFC after: 2 weeks Modified: head/sys/powerpc/powerpc/stack_machdep.c Modified: head/sys/powerpc/powerpc/stack_machdep.c ============================================================================== --- head/sys/powerpc/powerpc/stack_machdep.c Sun Sep 17 19:54:27 2017 (r323686) +++ head/sys/powerpc/powerpc/stack_machdep.c Sun Sep 17 20:07:20 2017 (r323687) @@ -110,6 +110,6 @@ stack_save(struct stack *st) { register_t frame; - frame = (register_t)__builtin_frame_address(1); + frame = (register_t)__builtin_frame_address(0); stack_capture(st, frame); }
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