mach/Makefile

   1 # Copyright (C) 1991, 1992, 1993, 1994, 1995 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 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.
   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 # Library General Public License for more details.
  13
  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.
  18
  19 subdir := mach
  20
  21 all:
  22
  23 # Some things below (but before including Rules) use configuration variables.
  24 include ../Makeconfig
  25
  26
  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 \
  42                                      memory_object_user                 \
  43                                      memory_object_default              \
  44                                      exc mach4                          \
  45                                      default_pager default_pager_helper \
  46                     )\
  47                    $(addprefix device/,device device_request)
  48 server-interfaces := mach/exc
  49 tests := hello
  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 \
  54               errorlib.h err_*.sub
  55
  56
  57 # Clear any environment value.
  58 generated =
  59 \f
  60 # Get the proper definition of `mach-srcdir'.
  61 include ../sysdeps/mach/Makefile
  62
  63 # Use and install the Mach header files directly out of the Mach kernel source.
  64
  65 # Find the MiG defs files in the kernel source.
  66 vpath %.defs $(mach-srcdir)
  67
  68 # Install all .h and .defs files we find in some of the kernel's source
  69 # directories and their subdirectories (in MK82, max one level deep).
  70 mach-src-headers := $(wildcard $(foreach dir,mach device mach_debug \
  71                                              $(config-machine),\
  72                                          $(addprefix $(mach-srcdir)/$(dir)/,\
  73                                                      *.defs *.h \
  74                                                      */*.defs */*.h)))
  75 # Exclude mach/machine/*.  A symlink will be installed for mach/machine.
  76 # Exclude $(headers) for Mach files we have our own versions of.
  77 mach-headers = $(filter-out mach/machine/% $(headers),\
  78                             $(mach-src-headers:$(mach-srcdir)/%=%))
  79 # Rename Mach's sys/version.h to mach/version.h.
  80 mach-headers := $(patsubst sys/version.h,mach/version.h,$(mach-headers))
  81
  82 # Don't distribute the Mach headers; they are in the Mach distribution.
  83 dont_distribute = $(mach-headers)
  84
  85 # DO NOT try to remake these in any way!!!
  86 $(addprefix $(mach-srcdir)/,$(mach-headers)) : ;
  87 install-others += $(addprefix $(includedir)/,$(mach-headers))
  88 $(includedir)/%: $(mach-srcdir)/%; $(do-install)
  89
  90 # Make symlinks for machine and mach/machine in the include directory.
  91 install-others += $(includedir)/mach/machine $(includedir)/machine
  92 $(includedir)/mach/machine $(includedir)/machine: $(common-objpfx)config.make
  93         -rm -f $@
  94         cd $(@D); ln -s $(config-machine) $(@F)
  95
  96 # Install Mach's <sys/version.h> as <mach/version.h>.
  97 install-others += $(includedir)/mach/version.h
  98 $(includedir)/mach/version.h: $(mach-srcdir)/sys/version.h; $(do-install)
  99 \f
 100 # Define mach-syscalls and sysno-*.
 101 ifndef inhibit_mach_syscalls
 102 include $(objpfx)mach-syscalls.mk
 103 endif
 104 $(objpfx)mach-syscalls.mk: mach/syscall_sw.h syscalls.awk
 105 # Go kludges!!!
 106         sed -n -e '/Unix server implement them/,$$d' \
 107                -e 's/^kernel_trap(\(.*\),\([-0-9]*\),\([0-9]*\))$$/\1 \2 \3/p'\
 108         < $< | awk -f $(word 2,$^) > $@-new
 109         mv $@-new $@
 110 generated += mach-syscalls.mk
 111
 112 ifndef mach-syscalls
 113 # We cannot make the deps properly until we know how to make the system
 114 # call functions, and for that we must know what they all are.
 115 no_deps=t
 116 else
 117 $(mach-syscalls:%=$(objpfx)%.S): $(objpfx)%.S: $(objpfx)mach-syscalls.mk
 118         (echo '#include <sysdep.h>'; \
 119          echo 'kernel_trap(__$*,$(sysno-$*),$(nargs-$*))'; \
 120          echo 'weak_alias (__$*, $*)') > $@-new
 121          mv $@-new $@
 122 generated += $(mach-syscalls:=.S)
 123 endif   # mach-syscalls
 124
 125 # syscall_device_writev_request has no RPC equivalent.
 126 mach-shortcuts := $(filter-out device_writev_request,\
 127                   $(patsubst syscall_%,%,$(filter syscall_%,$(mach-syscalls))))
 128
 129 ifndef mach-shortcuts
 130 # Forget about mach_interface.defs for this run.  On the next run,
 131 # $(mach-shortcuts) will be set, and that will change how
 132 # mach_interface.defs is processed: it will get the -D flags below.
 133 user-interfaces := $(filter-out mach/mach_interface \
 134                                 mach/mach_port mach/mach_host mach/mach4 \
 135                                 device/device_request,\
 136                                 $(user-interfaces))
 137 endif
 138
 139 # Make the MiG stubs for $(mach-shortcuts) be CALL_rpc.
 140 migdefines += $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc)
 141 mach/mach_interface.uh mach/mach_port.uh: $(objpfx)mach-syscalls.mk
 142
 143 ifdef mach-shortcuts
 144 $(mach-shortcuts:%=$(objpfx)%.c): $(objpfx)%.c: shortcut.awk \
 145                                                 $(objpfx)RPC_%_rpc.c
 146         gawk -v alias=$* -v call=__$* -v rpc=__$*_rpc -v syscall=__syscall_$* \
 147              -f $^ > $@-new
 148         mv $@-new $@
 149 generated += $(mach-shortcuts:%=%.c)
 150 endif   # mach-shortcuts
 151
 152 # Generate mach-shortcuts.h, which will contain the prototypes for the
 153 # shortcutted kernel RPC functions.
 154 $(objpfx)mach-shortcuts.h: $(objpfx)mach/mach_interface.h \
 155                            $(objpfx)mach/mach_port.h
 156 # The first line gets us one paragraph per line, with @s separating real lines.
 157 # The second line selects paragraphs for the shortcutted functions.
 158 # The third line removes `_rpc' from the names and rerealifies the lines.
 159         cat $^ | tr \\012 @ | sed s/@@/@%/g | tr % \\012 \
 160         | grep '^/\* Routine [a-z0-9_]*_rpc \*/' \
 161         | sed 's/_rpc//g' | tr @ \\012 > $@-new
 162         mv $@-new $@
 163 generated += mach-shortcuts.h
 164
 165 before-compile += $(objpfx)mach-shortcuts.h
 166 \f
 167 include Machrules
 168 include ../Rules
 169
 170
 171 # There is already a mach.h, so mach.defs generates mach_interface.h.
 172 $(objpfx)mach/mach_interface.defs: $(mach-srcdir)/mach/mach.defs
 173         ln $< $@ || cp $< $@
 174 # There is already a memory_object.h,
 175 # so memory_object.defs generates memory_object_user.h.
 176 $(objpfx)mach/memory_object_user.defs: $(mach-srcdir)/mach/memory_object.defs
 177         ln $< $@ || cp $< $@
 178
 179 ifdef objdir
 180 vpath mach/mach_interface.defs $(objdir)
 181 vpath mach/memory_object_user.defs $(objdir)
 182 endif
 183
 184 # Be sure not to make these with implicit rules from foo.defs.
 185 mach.h mach/memory_object.h: ;
 186
 187 ifneq (,)
 188 # A gcc bug prevents the generated file from working properly,
 189 # so we have one in the distribution for the time being.
 190 generated += errsystems.c
 191 $(objpfx)errsystems.c: errsystems.awk err_*.sub \
 192                        $(wildcard $(addsuffix /err_*.sub,$(+sysdep_dirs)))
 193         gawk -v subsys='$(filter-out $<,$^)' -f $^ > $@.n
 194         mv $@.n $@
 195 endif