mach/Makefile

   1 # Copyright (C) 1991, 92, 93, 94, 95, 96 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 # We produce mach_interface.h from mach.defs because there is already a
  49 # <mach/mach.h> that is not the interface header (thanks CMU).
  50 mach/mach_interface.defs = mach/mach.defs
  51 # Similarly for memory_object_user vs. memory_object
  52 mach/memory_object_user.defs = mach/memory_object.defs
  53 server-interfaces := mach/exc
  54 tests := hello
  55 # It is important that we do not use the wildcard function to expand
  56 # `err_*.sub'.  Leaving the wildcard allows Make-dist to find all matching
  57 # files in all sysdep directories.
  58 distribute += Machrules syscalls.awk shortcut.awk \
  59               errorlib.h err_*.sub
  60
  61
  62 # Clear any environment value.
  63 generated =
  64 \f
  65 # Define mach-syscalls and sysno-*.
  66 ifndef no_deps
  67 ifndef inhibit_mach_syscalls
  68 include $(objpfx)mach-syscalls.mk
  69 endif
  70 endif
  71 $(objpfx)mach-syscalls.mk: syscalls.awk Makefile
  72 # Go kludges!!!
  73         echo '#include <mach/syscall_sw.h>' | \
  74         DEPENDENCIES_OUTPUT='$@-dep $@' \
  75         $(CC) $(CPPFLAGS) -E -x c-header - \
  76               -D_MACH_`echo $(base-machine) | tr a-z A-Z`_SYSCALL_SW_H_=1 | \
  77         sed -n -e 's/^kernel_trap(\(.*\),\([-0-9]*\),\([0-9]*\))$$/\1 \2 \3/p'\
  78         | awk -f $< > $@-new
  79         cat $@-dep >> $@-new; rm -f $@-dep
  80         mv $@-new $@
  81 generated += mach-syscalls.mk
  82
  83 ifndef mach-syscalls
  84 # We cannot make the deps properly until we know how to make the system
  85 # call functions, and for that we must know what they all are.
  86 no_deps=t
  87 else
  88 $(mach-syscalls:%=$(objpfx)%.S): $(objpfx)%.S: $(objpfx)mach-syscalls.mk
  89         (echo '#include <sysdep.h>'; \
  90          echo 'kernel_trap(__$*,$(sysno-$*),$(nargs-$*))'; \
  91          echo 'weak_alias (__$*, $*)') > $@-new
  92          mv $@-new $@
  93 generated += $(mach-syscalls:=.S)
  94 endif   # mach-syscalls
  95
  96 # syscall_device_writev_request has no RPC equivalent.
  97 mach-shortcuts := $(filter-out device_writev_request,\
  98                   $(patsubst syscall_%,%,$(filter syscall_%,$(mach-syscalls))))
  99
 100 ifndef mach-shortcuts
 101 # Forget about mach_interface.defs for this run.  On the next run,
 102 # $(mach-shortcuts) will be set, and that will change how
 103 # mach_interface.defs is processed: it will get the -D flags below.
 104 user-interfaces := $(filter-out mach/mach_interface \
 105                                 mach/mach_port mach/mach_host mach/mach4 \
 106                                 device/device_request,\
 107                                 $(user-interfaces))
 108 endif
 109
 110 # Make the MiG stubs for $(mach-shortcuts) be CALL_rpc.
 111 migdefines += $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc)
 112 mach/mach_interface.uh mach/mach_port.uh: $(objpfx)mach-syscalls.mk
 113
 114 ifdef mach-shortcuts
 115 $(mach-shortcuts:%=$(objpfx)%.c): $(objpfx)%.c: shortcut.awk \
 116                                                 $(objpfx)RPC_%_rpc.c
 117         gawk -v alias=$* -v call=__$* -v rpc=__$*_rpc -v syscall=__syscall_$* \
 118              -f $^ > $@-new
 119         mv $@-new $@
 120 generated += $(mach-shortcuts:%=%.c)
 121 endif   # mach-shortcuts
 122
 123 # Generate mach-shortcuts.h, which will contain the prototypes for the
 124 # shortcutted kernel RPC functions.
 125 $(objpfx)mach-shortcuts.h: $(objpfx)mach/mach_interface.h \
 126                            $(objpfx)mach/mach_port.h
 127 # The first line gets us one paragraph per line, with @s separating real lines.
 128 # The second line selects paragraphs for the shortcutted functions.
 129 # The third line removes `_rpc' from the names and rerealifies the lines.
 130         cat $^ | tr \\012 @ | sed s/@@/@%/g | tr % \\012 \
 131         | grep '^/\* Routine [a-z0-9_]*_rpc \*/' \
 132         | sed 's/_rpc//g' | tr @ \\012 > $@-new
 133         mv $@-new $@
 134 generated += mach-shortcuts.h
 135
 136 before-compile += $(objpfx)mach-shortcuts.h
 137 \f
 138 include Machrules
 139 include ../Rules
 140
 141
 142 # A gcc bug prevents the generated file from working properly,
 143 # so we have one in the distribution for the time being.
 144 generated += errsystems.c
 145 $(objpfx)errsystems.c: errsystems.awk err_*.sub \
 146                        $(wildcard $(addsuffix /err_*.sub,$(+sysdep_dirs)))
 147         gawk -v subsys='$(filter-out $<,$^)' -f $^ > $@.n
 148         mv $@.n $@