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
|
ifeq ($(subdir),csu)
sysdep_routines += errno-loc
endif
ifeq ($(subdir),assert)
CFLAGS-assert.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
CFLAGS-assert-perr.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
endif
ifeq ($(subdir),malloc)
CFLAGS-malloc.c += -DMORECORE_CLEARS=2
endif
ifeq ($(subdir),socket)
sysdep_routines += internal_accept4 recvmmsg internal_recvmmsg sendmmsg \
internal_sendmmsg
endif
ifeq ($(subdir),misc)
sysdep_routines += sysctl clone llseek umount umount2 readahead \
setfsuid setfsgid makedev epoll_pwait signalfd \
eventfd eventfd_read eventfd_write prlimit
CFLAGS-gethostid.c = -fexceptions
CFLAGS-tst-writev.c += "-DARTIFICIAL_LIMIT=0x80000000-__getpagesize()"
sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
sys/klog.h sys/kdaemon.h \
sys/user.h sys/procfs.h sys/prctl.h \
sys/kd.h sys/soundcard.h sys/vt.h \
sys/quota.h sys/fsuid.h \
scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
bits/a.out.h sys/inotify.h sys/signalfd.h sys/eventfd.h \
sys/timerfd.h sys/fanotify.h
install-others += $(inst_includedir)/bits/syscall.h
tests += tst-clone
# Generate the list of SYS_* macros for the system calls (__NR_* macros).
# For bi-arch platforms, the CPU/Makefile defines {32,64}bit-predefine and
# we generate a file that uses <bits/wordsize.h>.
$(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
$(make-target-directory)
{ \
echo '/* Generated at libc build time from kernel syscall list. */';\
echo ''; \
echo '#ifndef _SYSCALL_H'; \
echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
echo '#endif'; \
echo ''; \
$(CC) -E -MD -MP -MF $(@:.h=.d)-t1 -MT '$(@:.d=.h) $(@:.h=.d)' \
-x c $(sysincludes) $< $(addprefix -U,$(64bit-predefine)) \
$(addprefix -D,$(32bit-predefine)) -D_LIBC -dM | \
sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
LC_ALL=C sort > $(@:.d=.h).new32; \
$(CC) -E -MD -MP -MF $(@:.h=.d)-t2 -MT '$(@:.d=.h) $(@:.h=.d)' \
-x c $(sysincludes) $< $(addprefix -U,$(32bit-predefine)) \
$(addprefix -D,$(64bit-predefine)) -D_LIBC -dM | \
sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
LC_ALL=C sort > $(@:.d=.h).new64; \
if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
cat $(@:.d=.h).new32; \
else \
echo '#include <bits/wordsize.h>'; \
echo ''; \
LC_ALL=C comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
echo '#if __WORDSIZE == 64'; \
LC_ALL=C comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
echo '#else'; \
LC_ALL=C comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
echo '#endif'; \
fi; \
rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
} > $(@:.d=.h).new
mv -f $(@:.d=.h).new $(@:.d=.h)
ifneq (,$(objpfx))
sed $(sed-remove-objpfx) $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
else
cat $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
endif
rm -f $(@:.h=.d)-t1 $(@:.h=.d)-t2
mv -f $(@:.h=.d)-t3 $(@:.h=.d)
$(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
$(make-target-directory)
if test -r $@ && cmp -s $< $@; \
then echo 'bits/syscall.h unchanged'; \
else $(INSTALL_DATA) $< $@; fi
ifndef no_deps
# Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
-include $(objpfx)syscall-list.d
endif
generated += syscall-list.h syscall-list.d
endif
ifeq ($(subdir),time)
sysdep_headers += sys/timex.h bits/timex.h
sysdep_routines += ntp_gettime ntp_gettimex
endif
ifeq ($(subdir),socket)
sysdep_headers += net/if_ppp.h net/ppp-comp.h \
net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
net/if_slip.h net/if_packet.h net/if_shaper.h
sysdep_routines += cmsg_nxthdr sa_len
endif
ifeq ($(subdir),sunrpc)
sysdep_headers += nfs/nfs.h
endif
ifeq ($(subdir),termios)
sysdep_headers += termio.h
endif
ifeq ($(subdir),posix)
sysdep_headers += bits/initspin.h
sysdep_routines += exit-thread sched_getcpu
tests += tst-getcpu
endif
ifeq ($(subdir),inet)
sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
netrom/netrom.h netpacket/packet.h netrose/rose.h \
neteconet/ec.h netiucv/iucv.h
endif
# Don't compile the ctype glue code, since there is no old non-GNU C library.
inhibit-glue = yes
ifeq ($(subdir),dirent)
sysdep_routines += getdirentries getdirentries64
endif
ifeq ($(subdir),nis)
CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
endif
ifeq ($(subdir),io)
sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
sync_file_range open_2 open64_2 fallocate fallocate64
endif
ifeq ($(subdir),elf)
sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir \
dl-fxstatat64
CPPFLAGS-lddlibc4 += -DNOT_IN_libc
endif
ifeq ($(subdir),rt)
CFLAGS-mq_send.c += -fexceptions
CFLAGS-mq_receive.c += -fexceptions
endif
ifeq ($(subdir),nscd)
sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK
CFLAGS-gai.c += -DNEED_NETLINK
endif
|
