mach/Makefile

   1 # Copyright (C) 1991,92,93,94,95,96,97,98,2001,02
   2 #       Free Software Foundation, Inc.
   3 # This file is part of the GNU C Library.
   4
   5 # The GNU C Library is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU Lesser General Public
   7 # License as published by the Free Software Foundation; either
   8 # version 2.1 of the License, or (at your option) any later version.
   9
  10 # The GNU C Library is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Lesser General Public License for more details.
  14
  15 # You should have received a copy of the GNU Lesser General Public
  16 # License along with the GNU C Library; if not, write to the Free
  17 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18 # 02111-1307 USA.
  19
  20 subdir := mach
  21
  22 all:
  23
  24 # Some things below (but before including Rules) use configuration variables.
  25 include ../Makeconfig
  26
  27
  28 headers = mach_init.h mach.h mach_error.h mach-shortcuts.h mach/mach_traps.h \
  29           $(interface-headers) mach/mach.h mach/mig_support.h mach/error.h \
  30           $(lock-headers) machine-sp.h
  31 distribute = thread_state.h
  32 lock = spin-solid spin-lock mutex-init mutex-solid
  33 lock-headers = lock-intern.h machine-lock.h spin-lock.h
  34 routines = $(mach-syscalls) $(mach-shortcuts) \
  35            mach_init mig_strncpy msg \
  36            mig-alloc mig-dealloc mig-reply \
  37            msg-destroy msgserver \
  38            mach_error errstring error_compat errsystems \
  39            devstream bootprivport setup-thread $(lock)
  40 # The RPC interfaces go in a separate library.
  41 interface-library := libmachuser
  42 user-interfaces := $(addprefix mach/,mach_interface mach_port mach_host \
  43                                      memory_object_user                 \
  44                                      memory_object_default              \
  45                                      exc mach4                          \
  46                                      default_pager                      \
  47                     )\
  48                    $(addprefix device/,device device_request)
  49 # We produce mach_interface.h from mach.defs because there is already a
  50 # <mach/mach.h> that is not the interface header (thanks CMU).
  51 mach/mach_interface.defs = mach/mach.defs
  52 # Similarly for memory_object_user vs. memory_object
  53 mach/memory_object_user.defs = mach/memory_object.defs
  54 server-interfaces := mach/exc
  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 errsystems.awk
  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         $(make-target-directory)
  74 # We must use $(CFLAGS) to get -O flags that affect #if's in header files.
  75         echo '#include <mach/syscall_sw.h>' | \
  76         DEPENDENCIES_OUTPUT='$@-dep $@' \
  77         $(CC) $(CFLAGS) $(CPPFLAGS) -E -x c-header - \
  78               -D_MACH_`echo $(base-machine) | tr a-z A-Z`_SYSCALL_SW_H_=1 | \
  79         sed -n -e 's/^kernel_trap(\(.*\),\([-0-9]*\),\([0-9]*\))$$/\1 \2 \3/p'\
  80         | $(AWK) -f $< > $@-new
  81         cat $@-dep >> $@-new; rm -f $@-dep
  82         mv -f $@-new $@
  83 generated += mach-syscalls.mk
  84
  85 ifndef mach-syscalls
  86 # We cannot make the deps properly until we know how to make the system
  87 # call functions, and for that we must know what they all are.
  88 no_deps=t
  89 else
  90 $(mach-syscalls:%=$(objpfx)%.S): $(objpfx)%.S: $(objpfx)mach-syscalls.mk
  91         (echo '#include <sysdep.h>'; \
  92          echo 'kernel_trap(__$*,$(sysno-$*),$(nargs-$*))'; \
  93          echo 'weak_alias (__$*, $*)') > $@-new
  94          mv -f $@-new $@
  95 generated += $(mach-syscalls:=.S)
  96 endif   # mach-syscalls
  97
  98 # syscall_device_writev_request has no RPC equivalent.
  99 mach-shortcuts := $(filter-out device_writev_request,\
 100                   $(patsubst syscall_%,%,$(filter syscall_%,$(mach-syscalls))))
 101
 102 ifndef mach-shortcuts
 103 # Forget about mach_interface.defs for this run.  On the next run,
 104 # $(mach-shortcuts) will be set, and that will change how
 105 # mach_interface.defs is processed: it will get the -D flags below.
 106 user-interfaces := $(filter-out mach/mach_interface \
 107                                 mach/mach_port mach/mach_host mach/mach4 \
 108                                 device/device_request,\
 109                                 $(user-interfaces))
 110 endif
 111
 112 # For some reason, the calls in this file are `protected' by an ifdef.
 113 MIGFLAGS-mach/mach4=-DMACH_PCSAMPLE
 114
 115 # Make the MiG stubs for $(mach-shortcuts) be CALL_rpc.
 116 migdefines += $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc)
 117 mach/mach_interface.uh mach/mach_host.uh mach/mach_port.uh: $(objpfx)mach-syscalls.mk
 118
 119 ifdef mach-shortcuts
 120 $(mach-shortcuts:%=$(objpfx)%.c): $(objpfx)%.c: shortcut.awk \
 121                                                 $(objpfx)RPC_%_rpc.c
 122         $(AWK)  -v alias=$* -v call=__$* -v rpc=__$*_rpc \
 123                 -v syscall=__syscall_$* -f $^ > $@-new
 124         mv -f $@-new $@
 125 generated += $(mach-shortcuts:%=%.c)
 126 endif   # mach-shortcuts
 127
 128 # Generate mach-shortcuts.h, which will contain the prototypes for the
 129 # shortcutted kernel RPC functions.
 130 $(objpfx)mach-shortcuts.h: $(objpfx)mach/mach_interface.h \
 131                            $(objpfx)mach/mach_host.h \
 132                            $(objpfx)mach/mach_port.h
 133 # The first line gets us one paragraph per line, with @s separating real lines.
 134 # The second line selects paragraphs for the shortcutted functions.
 135 # The third line removes `_rpc' from the names and reconstitutes the lines.
 136         cat $^ | tr \\012 @ | sed s/@@/@%/g | tr % \\012 \
 137         | grep '^/\* Routine [a-z0-9_]*_rpc \*/' \
 138         | sed 's/_rpc//g' | tr @ \\012 > $@-new
 139         mv -f $@-new $@
 140 generated += mach-shortcuts.h
 141
 142 before-compile += $(objpfx)mach-shortcuts.h
 143 \f
 144 include Machrules
 145 include ../Rules
 146
 147
 148 # A gcc bug prevents the generated file from working properly,
 149 # so we have one in the distribution for the time being.
 150 generated += errsystems.c
 151 $(objpfx)errsystems.c: errsystems.awk err_*.sub \
 152                        $(wildcard $(addsuffix /err_*.sub,$(+sysdep_dirs)))
 153         $(AWK) -v subsys='$(filter-out $<,$^)' -f $^ > $@.n
 154         mv -f $@.n $@