1 # Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Library General Public License
6 # as published by the Free Software Foundation; either version 2 of
7 # the License, or (at your option) any later version.
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 # Library General Public License for more details.
14 # You should have received a copy of the GNU Library General Public
15 # License along with the GNU C Library; see the file COPYING.LIB. If
16 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 # Cambridge, MA 02139, USA.
23 # Some things below (but before including Rules) use configuration variables.
27 headers = mach_init.h mach.h mach_error.h mach-shortcuts.h mach/mach_traps.h \
28 $(interface-headers) mach/mach.h mach/mig_support.h mach/error.h \
29 $(lock-headers) machine-sp.h
30 distribute = thread_state.h
31 lock = spin-solid spin-lock mutex-init mutex-solid
32 lock-headers = lock-intern.h machine-lock.h spin-lock.h
33 routines = $(mach-syscalls) $(mach-shortcuts) \
34 mach_init mig_strncpy msg \
35 mig-alloc mig-dealloc mig-reply \
36 msg-destroy msgserver \
37 mach_error errstring error_compat errsystems \
38 devstream bootprivport setup-thread $(lock)
39 # The RPC interfaces go in a separate library.
40 interface-library := libmachuser
41 user-interfaces := $(addprefix mach/,mach_interface mach_port mach_host \
43 memory_object_default \
45 default_pager default_pager_helper \
47 $(addprefix device/,device device_request)
48 server-interfaces := mach/exc
50 # It is important that we do not use the wildcard function to expand
51 # `err_*.sub'. Leaving the wildcard allows Make-dist to find all matching
52 # files in all sysdep directories.
53 distribute += Machrules syscalls.awk shortcut.awk \
57 # Clear any environment value.
60 # Define mach-syscalls and sysno-*.
62 ifndef inhibit_mach_syscalls
63 include $(objpfx)mach-syscalls.mk
66 $(objpfx)mach-syscalls.mk: syscalls.awk Makefile
68 echo '#include <mach/syscall_sw.h>' | \
69 DEPENDENCIES_OUTPUT='$@-dep $@' \
70 $(CC) $(CPPFLAGS) -E -x c-header - \
71 -D_MACH_`echo $(base-machine) | tr a-z A-Z`_SYSCALL_SW_H_=1 | \
72 sed -n -e 's/^kernel_trap(\(.*\),\([-0-9]*\),\([0-9]*\))$$/\1 \2 \3/p'\
74 cat $@-dep >> $@-new; rm -f $@-dep
76 generated += mach-syscalls.mk
79 # We cannot make the deps properly until we know how to make the system
80 # call functions, and for that we must know what they all are.
83 $(mach-syscalls:%=$(objpfx)%.S): $(objpfx)%.S: $(objpfx)mach-syscalls.mk
84 (echo '#include <sysdep.h>'; \
85 echo 'kernel_trap(__$*,$(sysno-$*),$(nargs-$*))'; \
86 echo 'weak_alias (__$*, $*)') > $@-new
88 generated += $(mach-syscalls:=.S)
91 # syscall_device_writev_request has no RPC equivalent.
92 mach-shortcuts := $(filter-out device_writev_request,\
93 $(patsubst syscall_%,%,$(filter syscall_%,$(mach-syscalls))))
96 # Forget about mach_interface.defs for this run. On the next run,
97 # $(mach-shortcuts) will be set, and that will change how
98 # mach_interface.defs is processed: it will get the -D flags below.
99 user-interfaces := $(filter-out mach/mach_interface \
100 mach/mach_port mach/mach_host mach/mach4 \
101 device/device_request,\
105 # Make the MiG stubs for $(mach-shortcuts) be CALL_rpc.
106 migdefines += $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc)
107 mach/mach_interface.uh mach/mach_port.uh: $(objpfx)mach-syscalls.mk
110 $(mach-shortcuts:%=$(objpfx)%.c): $(objpfx)%.c: shortcut.awk \
112 gawk -v alias=$* -v call=__$* -v rpc=__$*_rpc -v syscall=__syscall_$* \
115 generated += $(mach-shortcuts:%=%.c)
116 endif # mach-shortcuts
118 # Generate mach-shortcuts.h, which will contain the prototypes for the
119 # shortcutted kernel RPC functions.
120 $(objpfx)mach-shortcuts.h: $(objpfx)mach/mach_interface.h \
121 $(objpfx)mach/mach_port.h
122 # The first line gets us one paragraph per line, with @s separating real lines.
123 # The second line selects paragraphs for the shortcutted functions.
124 # The third line removes `_rpc' from the names and rerealifies the lines.
125 cat $^ | tr \\012 @ | sed s/@@/@%/g | tr % \\012 \
126 | grep '^/\* Routine [a-z0-9_]*_rpc \*/' \
127 | sed 's/_rpc//g' | tr @ \\012 > $@-new
129 generated += mach-shortcuts.h
131 before-compile += $(objpfx)mach-shortcuts.h
137 # A gcc bug prevents the generated file from working properly,
138 # so we have one in the distribution for the time being.
139 generated += errsystems.c
140 $(objpfx)errsystems.c: errsystems.awk err_*.sub \
141 $(wildcard $(addsuffix /err_*.sub,$(+sysdep_dirs)))
142 gawk -v subsys='$(filter-out $<,$^)' -f $^ > $@.n