mach/Makefile

   1 # Copyright (C) 1991,92,93,94,95,96,97,98,2001 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 Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of 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 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, write to the Free
  16 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17 # 02111-1307 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 # It is important that we do not use the wildcard function to expand
  55 # `err_*.sub'.  Leaving the wildcard allows Make-dist to find all matching
  56 # files in all sysdep directories.
  57 distribute += Machrules syscalls.awk shortcut.awk \
  58               errorlib.h err_*.sub errsystems.awk
  59
  60
  61 # Clear any environment value.
  62 generated =
  63 \f
  64 # Define mach-syscalls and sysno-*.
  65 ifndef no_deps
  66 ifndef inhibit_mach_syscalls
  67 -include $(objpfx)mach-syscalls.mk
  68 endif
  69 endif
  70 $(objpfx)mach-syscalls.mk: syscalls.awk Makefile
  71 # Go kludges!!!
  72         $(make-target-directory)
  73         echo '#include <mach/syscall_sw.h>' | \
  74         DEPENDENCIES_OUTPUT='$@-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 -f $@-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 -f $@-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 # For some reason, the calls in this file are `protected' by an ifdef.
 111 MIGFLAGS-mach/mach4=-DMACH_PCSAMPLE
 112
 113 # Make the MiG stubs for $(mach-shortcuts) be CALL_rpc.
 114 migdefines += $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc)
 115 mach/mach_interface.uh mach/mach_host.uh mach/mach_port.uh: $(objpfx)mach-syscalls.mk
 116
 117 ifdef mach-shortcuts
 118 $(mach-shortcuts:%=$(objpfx)%.c): $(objpfx)%.c: shortcut.awk \
 119                                                 $(objpfx)RPC_%_rpc.c
 120         $(AWK)  -v alias=$* -v call=__$* -v rpc=__$*_rpc \
 121                 -v syscall=__syscall_$* -f $^ > $@-new
 122         mv -f $@-new $@
 123 generated += $(mach-shortcuts:%=%.c)
 124 endif   # mach-shortcuts
 125
 126 # Generate mach-shortcuts.h, which will contain the prototypes for the
 127 # shortcutted kernel RPC functions.
 128 $(objpfx)mach-shortcuts.h: $(objpfx)mach/mach_interface.h \
 129                            $(objpfx)mach/mach_host.h \
 130                            $(objpfx)mach/mach_port.h
 131 # The first line gets us one paragraph per line, with @s separating real lines.
 132 # The second line selects paragraphs for the shortcutted functions.
 133 # The third line removes `_rpc' from the names and reconstitutes the lines.
 134         cat $^ | tr \\012 @ | sed s/@@/@%/g | tr % \\012 \
 135         | grep '^/\* Routine [a-z0-9_]*_rpc \*/' \
 136         | sed 's/_rpc//g' | tr @ \\012 > $@-new
 137         mv -f $@-new $@
 138 generated += mach-shortcuts.h
 139
 140 before-compile += $(objpfx)mach-shortcuts.h
 141 \f
 142 include Machrules
 143 include ../Rules
 144
 145
 146 # A gcc bug prevents the generated file from working properly,
 147 # so we have one in the distribution for the time being.
 148 generated += errsystems.c
 149 $(objpfx)errsystems.c: errsystems.awk err_*.sub \
 150                        $(wildcard $(addsuffix /err_*.sub,$(+sysdep_dirs)))
 151         $(AWK) -v subsys='$(filter-out $<,$^)' -f $^ > $@.n
 152         mv -f $@.n $@