Hi,
I'm working on profiling support for powerpc64 and I struggled over the
mprofiler-epilogue option not being known on the ppc gcc.
Disabling this option for ppc uncovered the next thing, MCOUNT_OVERHEAD,
MEXITCOUNT_OVERHEAD and MEXITCOUNT_OVERHEAD_GETLABEL are also not
defined. Not only on ppc but everywhere except on i386 and amd64.
So for the time being, would it be ok if I disable GUPROF on archs other
than i386 and amd64?
The patch below would be a candidate.
Thoughts?
TIA,
Andreas
Index: conf/kern.pre.mk
===================================================================
--- conf/kern.pre.mk (revision 229741)
+++ conf/kern.pre.mk (working copy)
@@ -103,13 +103,16 @@
.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
CFLAGS+= -DGPROF -falign-functions=16
+PROF= -pg
.if ${PROFLEVEL} >= 2
CFLAGS+= -DGPROF4 -DGUPROF
-PROF= -pg -mprofiler-epilogue
+.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
+PROF+= -mprofiler-epilogue
.else
-PROF= -pg
+.error "GUPROF not supported on ${MACHINE_CPUARCH}."
.endif
.endif
+.endif
DEFINED_PROF= ${PROF}
# Put configuration-specific C flags last (except for ${PROF}) so that
they
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