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 prof-freq
  27
  28 tests   = tst-sprofil tst-gmon
  29 ifeq ($(build-profile),yes)
  30 tests   += tst-profile-static
  31 tests-static    += tst-profile-static
  32
  33 LDFLAGS-tst-profile-static = -profile
  34 endif
  35
  36 # The mcount code won't work without a frame pointer.
  37 CFLAGS-mcount.c := -fno-omit-frame-pointer
  38
  39 CFLAGS-tst-gmon.c := -pg
  40 LDFLAGS-tst-gmon := $(no-pie-ldflag)
  41 CRT-tst-gmon := $(csu-objpfx)gcrt1.o
  42 tst-gmon-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon.data
  43 ifeq ($(run-built-tests),yes)
  44 tests-special += $(objpfx)tst-gmon-gprof.out
  45 endif
  46
  47 include ../Rules
  48
  49 # We cannot compile mcount.c with -pg because that would
  50 # create recursive calls.  Just copy the normal static object.
  51 # On systems where `profil' is not a system call, the same
  52 # problem exists for the internal functions in profil.c.
  53
  54 noprof := mcount $(sysdep_noprof)
  55 ifeq (,$(filter profil,$(unix-syscalls)))
  56 noprof += profil sprofil
  57 endif
  58
  59 $(noprof:%=$(objpfx)%.op): %.op: %.o
  60         rm -f $@
  61         ln $< $@
  62
  63 # GMON_OUTPUT_PREFIX only sets the output prefix.  The actual file
  64 # name contains the PID as well.
  65 $(objpfx)tst-gmon.out: clean-tst-gmon-data
  66 clean-tst-gmon-data:
  67         rm -f $(objpfx)tst-gmon.data.*
  68
  69 $(objpfx)tst-gmon-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon.out
  70         $(SHELL) $< $(GPROF) $(objpfx)tst-gmon $(objpfx)tst-gmon.data.* > $@; \
  71         $(evaluate-test)