# Copyright (C) 1991, 1992 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public License
# as published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Library General Public License for more details.

# You should have received a copy of the GNU Library General Public
# License along with the GNU C Library; see the file COPYING.LIB.  If
# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
# Cambridge, MA 02139, USA.

subdir := mach

distribute = Machrules interface.awk syscalls.awk shortcut.awk

headers = mach_init.h mach.h \
	  $(addprefix mach/,$(mach-headers)) \
	  $(interface-headers)

mach-headers := host_info.h kern_return.h \
		mach_param.h mach_types.h \
		memory_object.h \
		message.h mig_errors.h msg_type.h \
		policy.h port.h processor_info.h \
		std_types.h task_info.h task_special_ports.h \
		thread_info.h thread_special_ports.h \
		thread_status.h thread_switch.h time_value.h \
		vm_attributes.h vm_inherit.h vm_prot.h \
		vm_statistics.h

user-interfaces := $(addprefix mach/,mach_interface mach_port mach_host	\
				     default_pager_object		\
				     memory_object_user			\
				     memory_object_default		\
				     kernel_boot			\
	            )\
		   $(addprefix device/,device device_request)
# device_reply is giving me headaches because of userprefix
server-interfaces := # mach/__exc mach/exc

routines = $(interface-routines) \
	   $(filter-out syscall_%,$(mach-syscalls)) \
	   $(addprefix __,$(mach-syscalls)) \
	   mach_init vm_page_size \
	   mig_strncpy mig_support __bcopy msg \
	   msg_destroy msg_server msg_server_t \
	   __msg_destroy __msg_server \
	   devstream bootprivport privports

tests := hello


all:


# Define mach-syscalls and sysno-*.
include $(objpfx)mach-syscalls.mk
$(objpfx)mach-syscalls.mk: mach/syscall_sw.h syscalls.awk
# Go kludges!!!
	sed -n -e '/Unix server implement them/,$$d' \
	       -e 's/^kernel_trap(\(.*\),\([-0-9]*\),[0-9]*)$$/\1 \2/p' \
	< $< | awk -f $(word 2,$^) > $@-new		      
	mv $@-new $@
clean-extras := $(clean-extras) $(objpfx)mach-syscalls.mk

ifdef mach-syscalls
$(mach-syscalls:%=$(objpfx)__%.S): $(objpfx)__%.S: mach-syscalls.mk
	(echo '#include <sysdep.h>'; \
	 echo 'SYSCALL_TRAP (__$*, $(sysno-$*))') > $@-new
	 mv $@-new $@
$(mach-syscalls:%=$(objpfx)%.c): $(objpfx)%.c:
	(echo '#include <gnu-stabs.h>'; \
	 echo 'symbol_alias (__$*, $*)') > $@-new
	mv $@-new $@
clean-extras := $(clean-extras) \
		$(mach-syscalls:%=$(objpfx)__%.S) \
		$(mach-syscalls:%=$(objpfx)%.c)
endif

mach-shortcuts := $(patsubst syscall_%,%,$(filter syscall_%,$(mach-syscalls)))

ifndef mach-shortcuts
# Forget about mach_interface.defs for this run.  On the next run,
# $(mach-shortcuts) will be set, and that will change how
# mach_interface.defs is processed: it will get the -D flags below.
user-interfaces := $(filter-out mach/mach_interface
				mach/mach_port mach/mach_host,\
				$(user-interfaces))
endif

# Make the MiG stubs for $(mach-shortcuts) be CALL_rpc.
migdefines := $(migdefines) \
	      $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc)
mach/mach_interface.uh mach/mach_port.uh: mach-syscalls.mk

ifdef mach-shortcuts
$(mach-shortcuts:%=__%.c): __%.c: shortcut.awk __%_rpc.c
	gawk -v call=__$* -v rpc=__$*_rpc -v syscall=__syscall_$* \
	     -f $^ > $@-new
	mv $@-new $@
endif

include Machrules
include ../Rules


# There is already a mach.h, so mach.defs generates mach_interface.h.
mach/mach_interface.defs: mach/mach.defs
	ln $< $@ || cp $< $@
# There is already a memory_object.h,
# so memory_object.defs generates memory_object_user.h.
mach/memory_object_user.defs: mach/memory_object.defs
	ln $< $@ || cp $< $@

# Be sure not to make these with implicit rules from foo.defs.
$(filter-out $(interface-headers),$(headers)) : ;