1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
# Copyright (C) 1995-2025 Free Software Foundation, Inc.
# Copyright The GNU Toolchain Authors.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.
#
# Sub-makefile for gmon portion of the library.
#
subdir := gmon
include ../Makeconfig
headers := \
sys/gmon.h \
sys/gmon_out.h \
sys/profil.h \
# headers
routines := \
gmon \
mcount \
prof-freq \
profil \
sprofil \
# routines
tests = \
tst-gmon \
tst-mcleanup \
tst-mcount-overflow \
tst-sprofil \
# tests
# clang does not support -profile to instruct linker to use lc_p
ifeq ($(build-profile)$(have-test-clang),yesno)
tests += tst-profile-static
tests-static += tst-profile-static
LDFLAGS-tst-profile-static = -profile
endif
tests += tst-gmon-static
tests-static += tst-gmon-static
ifeq (yesyes,$(have-fpie)$(build-shared))
tests += tst-gmon-pie
tests-pie += tst-gmon-pie
ifeq (yes,$(enable-static-pie))
tests += tst-gmon-static-pie
tests-static += tst-gmon-static-pie
endif
endif
# The mcount code won't work without a frame pointer nor when memcpy or
# memset are called.
CFLAGS-mcount.c := -fno-omit-frame-pointer -fno-tree-loop-distribute-patterns
CFLAGS-tst-gmon.c := -fno-omit-frame-pointer -pg
tst-gmon-no-pie = yes
CRT-tst-gmon := $(csu-objpfx)g$(start-installed-name)
tst-gmon-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-gmon-gprof.out
endif
CFLAGS-tst-mcount-overflow.c := -fno-omit-frame-pointer -pg
tst-mcount-overflow-no-pie = yes
CRT-tst-mcount-overflow := $(csu-objpfx)g$(start-installed-name)
# Intentionally use invalid config where maxarcs<minarcs to check warning is printed
tst-mcount-overflow-ENV := GMON_OUT_PREFIX=$(objpfx)tst-mcount-overflow.data \
GLIBC_TUNABLES=glibc.gmon.minarcs=51:glibc.gmon.maxarcs=50
# Send stderr into output file because we make sure expected messages are printed
tst-mcount-overflow-ARGS := 2>&1 1>/dev/null | cat
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-mcount-overflow-check.out
endif
CFLAGS-tst-mcleanup.c := -fno-omit-frame-pointer -pg
tst-mcleanup-no-pie = yes
CRT-tst-mcleanup := $(csu-objpfx)g$(start-installed-name)
tst-mcleanup-ENV := GMON_OUT_PREFIX=$(objpfx)tst-mcleanup.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-mcleanup.out
endif
CFLAGS-tst-gmon-static.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
CRT-tst-gmon-static := $(csu-objpfx)g$(static-start-installed-name)
tst-gmon-static-no-pie = yes
tst-gmon-static-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-gmon-static-gprof.out
endif
CFLAGS-tst-gmon-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
CRT-tst-gmon-pie := $(csu-objpfx)g$(start-installed-name)
tst-gmon-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-pie.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-gmon-pie-gprof.out
endif
ifeq (yes,$(enable-static-pie))
CFLAGS-tst-gmon-static-pie.c := $(PIE-ccflag) -fno-omit-frame-pointer -pg
CRT-tst-gmon-static-pie := $(csu-objpfx)gr$(static-start-installed-name)
tst-gmon-static-pie-ENV := GMON_OUT_PREFIX=$(objpfx)tst-gmon-static-pie.data
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-gmon-static-pie-gprof.out
endif
endif
include ../Rules
# We cannot compile mcount.c with -pg because that would
# create recursive calls. Just copy the normal static object.
# On systems where `profil' is not a system call, the same
# problem exists for the internal functions in profil.c.
noprof := mcount $(sysdep_noprof)
ifeq (,$(filter profil,$(unix-syscalls)))
noprof += profil sprofil
endif
$(noprof:%=$(objpfx)%.op): %.op: %.o
rm -f $@
ln $< $@
# GMON_OUTPUT_PREFIX only sets the output prefix. The actual file
# name contains the PID as well.
$(objpfx)tst-gmon.out: clean-tst-gmon-data
clean-tst-gmon-data:
rm -f $(objpfx)tst-gmon.data.*
$(objpfx)tst-mcount-overflow.o: clean-tst-mcount-overflow-data
clean-tst-mcount-overflow-data:
rm -f $(objpfx)tst-mcount-overflow.data.*
$(objpfx)tst-mcount-overflow-check.out: tst-mcount-overflow-check.sh $(objpfx)tst-mcount-overflow.out
$(SHELL) $< $(objpfx)tst-mcount-overflow > $@; \
$(evaluate-test)
$(objpfx)tst-mcleanup.out: clean-tst-mcleanup-data
clean-tst-mcleanup-data:
rm -f $(objpfx)tst-mcleanup.data.*
$(objpfx)tst-gmon-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon.out
$(SHELL) $< $(GPROF) $(objpfx)tst-gmon $(objpfx)tst-gmon.data.* > $@; \
$(evaluate-test)
$(objpfx)tst-gmon-static.out: clean-tst-gmon-static-data
clean-tst-gmon-static-data:
rm -f $(objpfx)tst-gmon-static.data.*
$(objpfx)tst-gmon-static-gprof.out: tst-gmon-static-gprof.sh \
$(objpfx)tst-gmon-static.out
$(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static \
$(objpfx)tst-gmon-static.data.* > $@; \
$(evaluate-test)
$(objpfx)tst-gmon-pie.out: clean-tst-gmon-pie-data
clean-tst-gmon-pie-data:
rm -f $(objpfx)tst-gmon-pie.data.*
$(objpfx)tst-gmon-pie-gprof.out: tst-gmon-gprof.sh $(objpfx)tst-gmon-pie.out
$(SHELL) $< $(GPROF) $(objpfx)tst-gmon-pie $(objpfx)tst-gmon-pie.data.* > $@; \
$(evaluate-test)
$(objpfx)tst-gmon-static-pie.out: clean-tst-gmon-static-pie-data
clean-tst-gmon-static-pie-data:
rm -f $(objpfx)tst-gmon-static-pie.data.*
$(objpfx)tst-gmon-static-pie-gprof.out: tst-gmon-static-gprof.sh \
$(objpfx)tst-gmon-static-pie.out
$(SHELL) $< $(GPROF) $(objpfx)tst-gmon-static-pie \
$(objpfx)tst-gmon-static-pie.data.* > $@; \
$(evaluate-test)
|
