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Add a test for profiling static executable
The function, main, is added to profiling output of static executable which must link against gcrt1.o. * Makeconfig (+link-static-before-libc): Use the first of $(CRT-$(@F)) and $(csu-objpfx)$(static-start-installed-name). * gmon/Makefile (tests): Add tst-gmon-static. (tests-static): Likewise. (CFLAGS-tst-gmon-static.c): New. (CRT-tst-gmon-static): Likewise. (DEFAULT-LDFLAGS-tst-gmon-static): Likewise. (tst-gmon-static-ENV): Likewise. (tests-special): Likewise. ($(objpfx)tst-gmon-static.out): Likewise. (clean-tst-gmon-static-data): Likewise. ($(objpfx)tst-gmon-static-gprof.out): Likewise. * gmon/tst-gmon-static-gprof.sh: New file. * gmon/tst-gmon-static.c: Likewise.
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17
ChangeLog
17
ChangeLog
@ -1,3 +1,20 @@
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2017-10-14 H.J. Lu <hongjiu.lu@intel.com>
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* Makeconfig (+link-static-before-libc): Use the first of
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$(CRT-$(@F)) and $(csu-objpfx)$(static-start-installed-name).
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* gmon/Makefile (tests): Add tst-gmon-static.
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(tests-static): Likewise.
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(CFLAGS-tst-gmon-static.c): New.
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(CRT-tst-gmon-static): Likewise.
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(DEFAULT-LDFLAGS-tst-gmon-static): Likewise.
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(tst-gmon-static-ENV): Likewise.
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(tests-special): Likewise.
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($(objpfx)tst-gmon-static.out): Likewise.
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(clean-tst-gmon-static-data): Likewise.
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($(objpfx)tst-gmon-static-gprof.out): Likewise.
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* gmon/tst-gmon-static-gprof.sh: New file.
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* gmon/tst-gmon-static.c: Likewise.
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2017-10-13 Carlos O'Donell <carlos@redhat.com>
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[BZ #22295]
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@ -422,7 +422,7 @@ ifndef +link-static
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+link-static-before-libc = $(CC) -nostdlib -nostartfiles -static -o $@ \
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$(DEFAULT-LDFLAGS-$(@F)) \
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$(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \
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$(addprefix $(csu-objpfx),$(static-start-installed-name)) \
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$(firstword $(CRT-$(@F)) $(csu-objpfx)$(static-start-installed-name)) \
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$(+preinit) $(+prectorT) \
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$(filter-out $(addprefix $(csu-objpfx),start.o \
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$(start-installed-name))\
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@ -33,6 +33,9 @@ tests-static += tst-profile-static
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LDFLAGS-tst-profile-static = -profile
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endif
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tests += tst-gmon-static
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tests-static += tst-gmon-static
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ifeq (yesyes,$(have-fpie)$(build-shared))
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tests += tst-gmon-pie
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tests-pie += tst-gmon-pie
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@ -49,6 +52,14 @@ ifeq ($(run-built-tests),yes)
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tests-special += $(objpfx)tst-gmon-gprof.out
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endif
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CFLAGS-tst-gmon-static.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
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CRT-tst-gmon-static := $(csu-objpfx)gcrt1.o
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DEFAULT-LDFLAGS-tst-gmon-static = $(no-pie-ldflag)
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tst-gmon-static-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static.data
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ifeq ($(run-built-tests),yes)
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tests-special += $(objpfx)tst-gmon-static-gprof.out
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endif
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CFLAGS-tst-gmon-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
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CRT-tst-gmon-pie := $(csu-objpfx)gcrt1.o
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tst-gmon-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-pie.data
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@ -83,6 +94,16 @@ $(objpfx)tst-gmon-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon.out
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$(SHELL) $< $(GPROF) $(objpfx)tst-gmon $(objpfx)tst-gmon.data.* > $@; \
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$(evaluate-test)
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$(objpfx)tst-gmon-static.out: clean-tst-gmon-static-data
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clean-tst-gmon-static-data:
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rm -f $(objpfx)tst-gmon-static.data.*
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$(objpfx)tst-gmon-static-gprof.out: tst-gmon-static-gprof.sh \
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$(objpfx)tst-gmon-static.out
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$(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static \
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$(objpfx)tst-gmon-static.data.* > $@; \
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$(evaluate-test)
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$(objpfx)tst-gmon-pie.out: clean-tst-gmon-pie-data
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clean-tst-gmon-pie-data:
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rm -f $(objpfx)tst-gmon-pie.data.*
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62
gmon/tst-gmon-static-gprof.sh
Normal file
62
gmon/tst-gmon-static-gprof.sh
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#!/bin/sh
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# Check the output of gprof against a carfully crafted static binary.
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# Copyright (C) 2017 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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LC_ALL=C
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export LC_ALL
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set -e
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exec 2>&1
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GPROF="$1"
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program="$2"
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data="$3"
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actual=$(mktemp)
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expected=$(mktemp)
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expected_dot=$(mktemp)
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cleanup () {
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rm -f "$actual"
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rm -f "$expected"
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rm -f "$expected_dot"
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}
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trap cleanup 0
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cat > "$expected" <<EOF
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f1 2000
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f2 1000
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main 1
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EOF
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# Special version for powerpc with function descriptors.
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cat > "$expected_dot" <<EOF
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.f1 2000
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.f2 1000
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.main 1
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EOF
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"$GPROF" -C "$program" "$data" \
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| awk -F '[(): ]' '/executions/{print $5, $8}' \
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| sort > "$actual"
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if cmp -s "$actual" "$expected_dot" \
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|| diff -u --label expected "$expected" --label actual "$actual" ; then
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echo "PASS"
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else
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echo "FAIL"
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exit 1
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fi
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1
gmon/tst-gmon-static.c
Normal file
1
gmon/tst-gmon-static.c
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#include "tst-gmon.c"
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