Date: Tue, 27 Dec 2016 00:37:08 -0800 From: Mark Millard <markmi@dsl-only.net> To: FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: 6.2.0 based devel/powerpc64-gcc rejects sys/powerpc/powerpc/db_trace.c for very old code Message-ID: <B70A01B3-8D44-432F-88E1-26CC0D9DAC81@dsl-only.net>
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I have submitted:
Bug 215600 - devel/powerpc64-gcc based buildkernel: sys/powerpc/powerpc/db_trace.c rejected for: '__builtin_frame_address' with a nonzero argument is unsafe
sys/powerpc/powerpc/db_trace.c -r132070 2004-Jul-12 is when this
__builtin_frame_address use was introduced:
void
db_trace_self(void)
{
db_addr_t addr;
addr = (db_addr_t)__builtin_frame_address(1);
db_backtrace(curthread, addr, -1);
}
head was at -r310556 for this discovery but with a patch for libdwarf
in ctfconvert to enable buildkernel to get this far. I have not yet
updated to the 6.3.0 based devel/powerpc64-gcc .
===
Mark Millard
markmi at dsl-only.net
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