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# Copyright (C) 1995-2018 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.

#
#	Sub-makefile for gmon portion of the library.
#
subdir	:= gmon

include ../Makeconfig

headers	:= sys/gmon.h sys/gmon_out.h sys/profil.h
routines := gmon mcount profil sprofil prof-freq

tests	= tst-sprofil tst-gmon
ifeq ($(build-profile),yes)
tests	+= tst-profile-static
tests-static	+= tst-profile-static

LDFLAGS-tst-profile-static = -profile
endif

tests += tst-gmon-static
tests-static += tst-gmon-static

ifeq (yesyes,$(have-fpie)$(build-shared))
tests += tst-gmon-pie
tests-pie += tst-gmon-pie
ifeq (yes,$(enable-static-pie))
tests += tst-gmon-static-pie
tests-static += tst-gmon-static-pie
endif
endif

# The mcount code won't work without a frame pointer.
CFLAGS-mcount.c := -fno-omit-frame-pointer

CFLAGS-tst-gmon.c := -fno-omit-frame-pointer -pg
tst-gmon-no-pie = yes
CRT-tst-gmon := $(csu-objpfx)gcrt1.o
tst-gmon-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-gmon-gprof.out
endif

CFLAGS-tst-gmon-static.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
CRT-tst-gmon-static := $(csu-objpfx)gcrt1.o
tst-gmon-static-no-pie = yes
tst-gmon-static-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-gmon-static-gprof.out
endif

CFLAGS-tst-gmon-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
CRT-tst-gmon-pie := $(csu-objpfx)gcrt1.o
tst-gmon-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-pie.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-gmon-pie-gprof.out
endif

ifeq (yes,$(enable-static-pie))
CFLAGS-tst-gmon-static-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
CRT-tst-gmon-static-pie := $(csu-objpfx)grcrt1.o
tst-gmon-static-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static-pie.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-gmon-static-pie-gprof.out
endif
endif


include ../Rules

# We cannot compile mcount.c with -pg because that would
# create recursive calls.  Just copy the normal static object.
# On systems where `profil' is not a system call, the same
# problem exists for the internal functions in profil.c.

noprof := mcount $(sysdep_noprof)
ifeq (,$(filter profil,$(unix-syscalls)))
noprof += profil sprofil
endif

$(noprof:%=$(objpfx)%.op): %.op: %.o
	rm -f $@
	ln $< $@

# GMON_OUTPUT_PREFIX only sets the output prefix.  The actual file
# name contains the PID as well.
$(objpfx)tst-gmon.out: clean-tst-gmon-data
clean-tst-gmon-data:
	rm -f $(objpfx)tst-gmon.data.*

$(objpfx)tst-gmon-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon.out
	$(SHELL) $< $(GPROF) $(objpfx)tst-gmon $(objpfx)tst-gmon.data.* > $@; \
	$(evaluate-test)

$(objpfx)tst-gmon-static.out: clean-tst-gmon-static-data
clean-tst-gmon-static-data:
	rm -f $(objpfx)tst-gmon-static.data.*

$(objpfx)tst-gmon-static-gprof.out: tst-gmon-static-gprof.sh \
				    $(objpfx)tst-gmon-static.out
	$(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static \
		$(objpfx)tst-gmon-static.data.* > $@; \
	$(evaluate-test)

$(objpfx)tst-gmon-pie.out: clean-tst-gmon-pie-data
clean-tst-gmon-pie-data:
	rm -f $(objpfx)tst-gmon-pie.data.*

$(objpfx)tst-gmon-pie-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon-pie.out
	$(SHELL) $< $(GPROF) $(objpfx)tst-gmon-pie $(objpfx)tst-gmon-pie.data.* > $@; \
	$(evaluate-test)

$(objpfx)tst-gmon-static-pie.out: clean-tst-gmon-static-pie-data
clean-tst-gmon-static-pie-data:
	rm -f $(objpfx)tst-gmon-static-pie.data.*

$(objpfx)tst-gmon-static-pie-gprof.out: tst-gmon-static-gprof.sh \
					$(objpfx)tst-gmon-static-pie.out
	$(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static-pie \
		$(objpfx)tst-gmon-static-pie.data.* > $@; \
	$(evaluate-test)