gmon/Makefile

   1 # Copyright (C) 1995-2024 Free Software Foundation, Inc.
   2 # Copyright The GNU Toolchain Authors.
   3 # This file is part of the GNU C Library.
   4
   5 # The GNU C Library is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU Lesser General Public
   7 # License as published by the Free Software Foundation; either
   8 # version 2.1 of the License, or (at your option) any later version.
   9
  10 # The GNU C Library is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Lesser General Public License for more details.
  14
  15 # You should have received a copy of the GNU Lesser General Public
  16 # License along with the GNU C Library; if not, see
  17 # <https://www.gnu.org/licenses/>.
  18
  19 #
  20 #       Sub-makefile for gmon portion of the library.
  21 #
  22 subdir  := gmon
  23
  24 include ../Makeconfig
  25
  26 headers := sys/gmon.h sys/gmon_out.h sys/profil.h
  27 routines := gmon mcount profil sprofil prof-freq
  28
  29 tests   = tst-sprofil tst-gmon tst-mcount-overflow tst-mcleanup
  30 ifeq ($(build-profile),yes)
  31 tests   += tst-profile-static
  32 tests-static    += tst-profile-static
  33
  34 LDFLAGS-tst-profile-static = -profile
  35 endif
  36
  37 tests += tst-gmon-static
  38 tests-static += tst-gmon-static
  39
  40 ifeq (yesyes,$(have-fpie)$(build-shared))
  41 tests += tst-gmon-pie
  42 tests-pie += tst-gmon-pie
  43 ifeq (yes,$(enable-static-pie))
  44 tests += tst-gmon-static-pie
  45 tests-static += tst-gmon-static-pie
  46 endif
  47 endif
  48
  49 # The mcount code won't work without a frame pointer.
  50 CFLAGS-mcount.c := -fno-omit-frame-pointer
  51
  52 CFLAGS-tst-gmon.c := -fno-omit-frame-pointer -pg
  53 tst-gmon-no-pie = yes
  54 CRT-tst-gmon := $(csu-objpfx)g$(start-installed-name)
  55 tst-gmon-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon.data
  56 ifeq ($(run-built-tests),yes)
  57 tests-special += $(objpfx)tst-gmon-gprof.out
  58 endif
  59
  60 CFLAGS-tst-mcount-overflow.c := -fno-omit-frame-pointer -pg
  61 tst-mcount-overflow-no-pie = yes
  62 CRT-tst-mcount-overflow := $(csu-objpfx)g$(start-installed-name)
  63 # Intentionally use invalid config where maxarcs<minarcs to check warning is printed
  64 tst-mcount-overflow-ENV := GMON_OUT_PREFIX=$(objpfx)tst-mcount-overflow.data \
  65                            GLIBC_TUNABLES=glibc.gmon.minarcs=51:glibc.gmon.maxarcs=50
  66 # Send stderr into output file because we make sure expected messages are printed
  67 tst-mcount-overflow-ARGS := 2>&1 1>/dev/null | cat
  68 ifeq ($(run-built-tests),yes)
  69 tests-special += $(objpfx)tst-mcount-overflow-check.out
  70 endif
  71
  72 CFLAGS-tst-mcleanup.c := -fno-omit-frame-pointer -pg
  73 tst-mcleanup-no-pie = yes
  74 CRT-tst-mcleanup := $(csu-objpfx)g$(start-installed-name)
  75 tst-mcleanup-ENV := GMON_OUT_PREFIX=$(objpfx)tst-mcleanup.data
  76 ifeq ($(run-built-tests),yes)
  77 tests-special += $(objpfx)tst-mcleanup.out
  78 endif
  79
  80 CFLAGS-tst-gmon-static.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
  81 CRT-tst-gmon-static := $(csu-objpfx)g$(static-start-installed-name)
  82 tst-gmon-static-no-pie = yes
  83 tst-gmon-static-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static.data
  84 ifeq ($(run-built-tests),yes)
  85 tests-special += $(objpfx)tst-gmon-static-gprof.out
  86 endif
  87
  88 CFLAGS-tst-gmon-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
  89 CRT-tst-gmon-pie := $(csu-objpfx)g$(start-installed-name)
  90 tst-gmon-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-pie.data
  91 ifeq ($(run-built-tests),yes)
  92 tests-special += $(objpfx)tst-gmon-pie-gprof.out
  93 endif
  94
  95 ifeq (yes,$(enable-static-pie))
  96 CFLAGS-tst-gmon-static-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
  97 CRT-tst-gmon-static-pie := $(csu-objpfx)gr$(static-start-installed-name)
  98 tst-gmon-static-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static-pie.data
  99 ifeq ($(run-built-tests),yes)
 100 tests-special += $(objpfx)tst-gmon-static-pie-gprof.out
 101 endif
 102 endif
 103
 104
 105 include ../Rules
 106
 107 # We cannot compile mcount.c with -pg because that would
 108 # create recursive calls.  Just copy the normal static object.
 109 # On systems where `profil' is not a system call, the same
 110 # problem exists for the internal functions in profil.c.
 111
 112 noprof := mcount $(sysdep_noprof)
 113 ifeq (,$(filter profil,$(unix-syscalls)))
 114 noprof += profil sprofil
 115 endif
 116
 117 $(noprof:%=$(objpfx)%.op): %.op: %.o
 118         rm -f $@
 119         ln $< $@
 120
 121 # GMON_OUTPUT_PREFIX only sets the output prefix.  The actual file
 122 # name contains the PID as well.
 123 $(objpfx)tst-gmon.out: clean-tst-gmon-data
 124 clean-tst-gmon-data:
 125         rm -f $(objpfx)tst-gmon.data.*
 126
 127 $(objpfx)tst-mcount-overflow.o: clean-tst-mcount-overflow-data
 128 clean-tst-mcount-overflow-data:
 129         rm -f $(objpfx)tst-mcount-overflow.data.*
 130
 131 $(objpfx)tst-mcount-overflow-check.out: tst-mcount-overflow-check.sh $(objpfx)tst-mcount-overflow.out
 132         $(SHELL) $< $(objpfx)tst-mcount-overflow > $@; \
 133         $(evaluate-test)
 134
 135 $(objpfx)tst-mcleanup.out: clean-tst-mcleanup-data
 136 clean-tst-mcleanup-data:
 137         rm -f $(objpfx)tst-mcleanup.data.*
 138
 139 $(objpfx)tst-gmon-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon.out
 140         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon $(objpfx)tst-gmon.data.* > $@; \
 141         $(evaluate-test)
 142
 143 $(objpfx)tst-gmon-static.out: clean-tst-gmon-static-data
 144 clean-tst-gmon-static-data:
 145         rm -f $(objpfx)tst-gmon-static.data.*
 146
 147 $(objpfx)tst-gmon-static-gprof.out: tst-gmon-static-gprof.sh \
 148                                     $(objpfx)tst-gmon-static.out
 149         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static \
 150                 $(objpfx)tst-gmon-static.data.* > $@; \
 151         $(evaluate-test)
 152
 153 $(objpfx)tst-gmon-pie.out: clean-tst-gmon-pie-data
 154 clean-tst-gmon-pie-data:
 155         rm -f $(objpfx)tst-gmon-pie.data.*
 156
 157 $(objpfx)tst-gmon-pie-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon-pie.out
 158         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon-pie $(objpfx)tst-gmon-pie.data.* > $@; \
 159         $(evaluate-test)
 160
 161 $(objpfx)tst-gmon-static-pie.out: clean-tst-gmon-static-pie-data
 162 clean-tst-gmon-static-pie-data:
 163         rm -f $(objpfx)tst-gmon-static-pie.data.*
 164
 165 $(objpfx)tst-gmon-static-pie-gprof.out: tst-gmon-static-gprof.sh \
 166                                         $(objpfx)tst-gmon-static-pie.out
 167         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static-pie \
 168                 $(objpfx)tst-gmon-static-pie.data.* > $@; \
 169         $(evaluate-test)