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 := \
  27   sys/gmon.h \
  28   sys/gmon_out.h \
  29   sys/profil.h \
  30   # headers
  31 routines := \
  32   gmon \
  33   mcount \
  34   prof-freq \
  35   profil \
  36   sprofil \
  37   # routines
  38
  39 tests = \
  40   tst-gmon \
  41   tst-mcleanup \
  42   tst-mcount-overflow \
  43   tst-sprofil \
  44   # tests
  45 ifeq ($(build-profile),yes)
  46 tests += tst-profile-static
  47 tests-static += tst-profile-static
  48
  49 LDFLAGS-tst-profile-static = -profile
  50 endif
  51
  52 tests += tst-gmon-static
  53 tests-static += tst-gmon-static
  54
  55 ifeq (yesyes,$(have-fpie)$(build-shared))
  56 tests += tst-gmon-pie
  57 tests-pie += tst-gmon-pie
  58 ifeq (yes,$(enable-static-pie))
  59 tests += tst-gmon-static-pie
  60 tests-static += tst-gmon-static-pie
  61 endif
  62 endif
  63
  64 # The mcount code won't work without a frame pointer.
  65 CFLAGS-mcount.c := -fno-omit-frame-pointer
  66
  67 CFLAGS-tst-gmon.c := -fno-omit-frame-pointer -pg
  68 tst-gmon-no-pie = yes
  69 CRT-tst-gmon := $(csu-objpfx)g$(start-installed-name)
  70 tst-gmon-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon.data
  71 ifeq ($(run-built-tests),yes)
  72 tests-special += $(objpfx)tst-gmon-gprof.out
  73 endif
  74
  75 CFLAGS-tst-mcount-overflow.c := -fno-omit-frame-pointer -pg
  76 tst-mcount-overflow-no-pie = yes
  77 CRT-tst-mcount-overflow := $(csu-objpfx)g$(start-installed-name)
  78 # Intentionally use invalid config where maxarcs<minarcs to check warning is printed
  79 tst-mcount-overflow-ENV := GMON_OUT_PREFIX=$(objpfx)tst-mcount-overflow.data \
  80                            GLIBC_TUNABLES=glibc.gmon.minarcs=51:glibc.gmon.maxarcs=50
  81 # Send stderr into output file because we make sure expected messages are printed
  82 tst-mcount-overflow-ARGS := 2>&1 1>/dev/null | cat
  83 ifeq ($(run-built-tests),yes)
  84 tests-special += $(objpfx)tst-mcount-overflow-check.out
  85 endif
  86
  87 CFLAGS-tst-mcleanup.c := -fno-omit-frame-pointer -pg
  88 tst-mcleanup-no-pie = yes
  89 CRT-tst-mcleanup := $(csu-objpfx)g$(start-installed-name)
  90 tst-mcleanup-ENV := GMON_OUT_PREFIX=$(objpfx)tst-mcleanup.data
  91 ifeq ($(run-built-tests),yes)
  92 tests-special += $(objpfx)tst-mcleanup.out
  93 endif
  94
  95 CFLAGS-tst-gmon-static.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
  96 CRT-tst-gmon-static := $(csu-objpfx)g$(static-start-installed-name)
  97 tst-gmon-static-no-pie = yes
  98 tst-gmon-static-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static.data
  99 ifeq ($(run-built-tests),yes)
 100 tests-special += $(objpfx)tst-gmon-static-gprof.out
 101 endif
 102
 103 CFLAGS-tst-gmon-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
 104 CRT-tst-gmon-pie := $(csu-objpfx)g$(start-installed-name)
 105 tst-gmon-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-pie.data
 106 ifeq ($(run-built-tests),yes)
 107 tests-special += $(objpfx)tst-gmon-pie-gprof.out
 108 endif
 109
 110 ifeq (yes,$(enable-static-pie))
 111 CFLAGS-tst-gmon-static-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
 112 CRT-tst-gmon-static-pie := $(csu-objpfx)gr$(static-start-installed-name)
 113 tst-gmon-static-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static-pie.data
 114 ifeq ($(run-built-tests),yes)
 115 tests-special += $(objpfx)tst-gmon-static-pie-gprof.out
 116 endif
 117 endif
 118
 119
 120 include ../Rules
 121
 122 # We cannot compile mcount.c with -pg because that would
 123 # create recursive calls.  Just copy the normal static object.
 124 # On systems where `profil' is not a system call, the same
 125 # problem exists for the internal functions in profil.c.
 126
 127 noprof := mcount $(sysdep_noprof)
 128 ifeq (,$(filter profil,$(unix-syscalls)))
 129 noprof += profil sprofil
 130 endif
 131
 132 $(noprof:%=$(objpfx)%.op): %.op: %.o
 133         rm -f $@
 134         ln $< $@
 135
 136 # GMON_OUTPUT_PREFIX only sets the output prefix.  The actual file
 137 # name contains the PID as well.
 138 $(objpfx)tst-gmon.out: clean-tst-gmon-data
 139 clean-tst-gmon-data:
 140         rm -f $(objpfx)tst-gmon.data.*
 141
 142 $(objpfx)tst-mcount-overflow.o: clean-tst-mcount-overflow-data
 143 clean-tst-mcount-overflow-data:
 144         rm -f $(objpfx)tst-mcount-overflow.data.*
 145
 146 $(objpfx)tst-mcount-overflow-check.out: tst-mcount-overflow-check.sh $(objpfx)tst-mcount-overflow.out
 147         $(SHELL) $< $(objpfx)tst-mcount-overflow > $@; \
 148         $(evaluate-test)
 149
 150 $(objpfx)tst-mcleanup.out: clean-tst-mcleanup-data
 151 clean-tst-mcleanup-data:
 152         rm -f $(objpfx)tst-mcleanup.data.*
 153
 154 $(objpfx)tst-gmon-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon.out
 155         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon $(objpfx)tst-gmon.data.* > $@; \
 156         $(evaluate-test)
 157
 158 $(objpfx)tst-gmon-static.out: clean-tst-gmon-static-data
 159 clean-tst-gmon-static-data:
 160         rm -f $(objpfx)tst-gmon-static.data.*
 161
 162 $(objpfx)tst-gmon-static-gprof.out: tst-gmon-static-gprof.sh \
 163                                     $(objpfx)tst-gmon-static.out
 164         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static \
 165                 $(objpfx)tst-gmon-static.data.* > $@; \
 166         $(evaluate-test)
 167
 168 $(objpfx)tst-gmon-pie.out: clean-tst-gmon-pie-data
 169 clean-tst-gmon-pie-data:
 170         rm -f $(objpfx)tst-gmon-pie.data.*
 171
 172 $(objpfx)tst-gmon-pie-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon-pie.out
 173         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon-pie $(objpfx)tst-gmon-pie.data.* > $@; \
 174         $(evaluate-test)
 175
 176 $(objpfx)tst-gmon-static-pie.out: clean-tst-gmon-static-pie-data
 177 clean-tst-gmon-static-pie-data:
 178         rm -f $(objpfx)tst-gmon-static-pie.data.*
 179
 180 $(objpfx)tst-gmon-static-pie-gprof.out: tst-gmon-static-gprof.sh \
 181                                         $(objpfx)tst-gmon-static-pie.out
 182         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static-pie \
 183                 $(objpfx)tst-gmon-static-pie.data.* > $@; \
 184         $(evaluate-test)