gmon/Makefile

   1 # Copyright (C) 1995-2017 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 #
  19 #       Sub-makefile for gmon portion of the library.
  20 #
  21 subdir  := gmon
  22
  23 include ../Makeconfig
  24
  25 headers := sys/gmon.h sys/gmon_out.h sys/profil.h
  26 routines := gmon mcount profil sprofil bb_init_func bb_exit_func prof-freq
  27
  28 elide-routines.os = bb_init_func bb_exit_func
  29
  30 tests   = tst-sprofil tst-gmon
  31 ifeq ($(build-profile),yes)
  32 tests   += tst-profile-static
  33 tests-static    += tst-profile-static
  34
  35 LDFLAGS-tst-profile-static = -profile
  36 endif
  37
  38 # The mcount code won't work without a frame pointer.
  39 CFLAGS-mcount.c := -fno-omit-frame-pointer
  40
  41 CFLAGS-tst-gmon.c := -pg
  42 LDFLAGS-tst-gmon := $(no-pie-ldflag)
  43 CRT-tst-gmon := $(csu-objpfx)gcrt1.o
  44 tst-gmon-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon.data
  45 ifeq ($(run-built-tests),yes)
  46 tests-special += $(objpfx)tst-gmon-gprof.out
  47 endif
  48
  49 include ../Rules
  50
  51 # We cannot compile mcount.c with -pg because that would
  52 # create recursive calls.  Just copy the normal static object.
  53 # On systems where `profil' is not a system call, the same
  54 # problem exists for the internal functions in profil.c.
  55
  56 noprof := mcount $(sysdep_noprof)
  57 ifeq (,$(filter profil,$(unix-syscalls)))
  58 noprof += profil sprofil
  59 endif
  60
  61 $(noprof:%=$(objpfx)%.op): %.op: %.o
  62         rm -f $@
  63         ln $< $@
  64
  65 # GMON_OUTPUT_PREFIX only sets the output prefix.  The actual file
  66 # name contains the PID as well.
  67 $(objpfx)tst-gmon.out: clean-tst-gmon-data
  68 clean-tst-gmon-data:
  69         rm -f $(objpfx)tst-gmon.data.*
  70
  71 $(objpfx)tst-gmon-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon.out
  72         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon $(objpfx)tst-gmon.data.* > $@; \
  73         $(evaluate-test)