# Copyright (C) 1991,92,93,94,95,96,97,98,2001,02 # 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 Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 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 # Lesser General Public License for more details. # You should have received a copy of the GNU Lesser General Public # License along with the GNU C Library; if not, write to the Free # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA # 02111-1307 USA. subdir := mach all: # Some things below (but before including Rules) use configuration variables. include ../Makeconfig headers = mach_init.h mach.h mach_error.h mach-shortcuts.h mach/mach_traps.h \ $(interface-headers) mach/mach.h mach/mig_support.h mach/error.h \ $(lock-headers) machine-sp.h distribute = thread_state.h lock = spin-solid spin-lock mutex-init mutex-solid lock-headers = lock-intern.h machine-lock.h spin-lock.h routines = $(mach-syscalls) $(mach-shortcuts) \ mach_init mig_strncpy msg \ mig-alloc mig-dealloc mig-reply \ msg-destroy msgserver \ mach_error errstring error_compat errsystems \ devstream setup-thread $(lock) # The RPC interfaces go in a separate library. interface-library := libmachuser # We produce mach_interface.h from mach.defs because there is already a # <mach/mach.h> that is not the interface header (thanks CMU). mach-interface-list := $(patsubst mach,mach_interface,$(mach-interface-list)) mach/mach_interface.defs = mach/mach.defs # Similarly for memory_object_user vs. memory_object mach-interface-list := $(patsubst memory_object,memory_object_user,\ $(mach-interface-list)) mach/memory_object_user.defs = mach/memory_object.defs user-interfaces := $(addprefix mach/,$(mach-interface-list) \ mach_port mach_host exc \ )\ $(addprefix device/,device device_request) server-interfaces := mach/exc # It is important that we do not use the wildcard function to expand # `err_*.sub'. Leaving the wildcard allows Make-dist to find all matching # files in all sysdep directories. distribute += Machrules syscalls.awk shortcut.awk \ errorlib.h err_*.sub errsystems.awk # Clear any environment value. generated = # Translate GNU names for CPUs into the names used in Mach header files. mach-machine = $(patsubst powerpc,ppc,$(base-machine)) # Define mach-syscalls and sysno-*. ifndef no_deps ifndef inhibit_mach_syscalls -include $(objpfx)mach-syscalls.mk endif endif $(objpfx)mach-syscalls.mk: syscalls.awk Makefile # Go kludges!!! $(make-target-directory) # We must use $(CFLAGS) to get -O flags that affect #if's in header files. echo '#include <mach/syscall_sw.h>' | \ DEPENDENCIES_OUTPUT='$@-dep $@' \ $(CC) $(CFLAGS) $(CPPFLAGS) -E -x c-header - \ -D_MACH_`echo $(mach-machine) | tr a-z A-Z`_SYSCALL_SW_H_=1 | \ sed -n -e 's/^kernel_trap(\(.*\),\([-0-9]*\),\([0-9]*\))$$/\1 \2 \3/p'\ | $(AWK) -f $< > $@-new cat $@-dep >> $@-new; rm -f $@-dep mv -f $@-new $@ generated += mach-syscalls.mk ifndef mach-syscalls # We cannot make the deps properly until we know how to make the system # call functions, and for that we must know what they all are. no_deps=t else $(mach-syscalls:%=$(objpfx)%.S): $(objpfx)%.S: $(objpfx)mach-syscalls.mk (echo '#include <sysdep.h>'; \ echo 'kernel_trap (__$*,$(sysno-$*),$(nargs-$*))'; \ echo 'weak_alias (__$*, $*)') > $@-new mv -f $@-new $@ generated += $(mach-syscalls:=.S) endif # mach-syscalls # These syscalls that look like RPCs actually have no RPC equivalents. mach-shortcuts := $(filter-out device_writev_request \ device_read_overwrite_request \ device_read_overwrite \ vm_read_overwrite \ thread_switch \ ,\ $(patsubst syscall_%,%,$(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-interface-list:%=mach/%) \ mach/mach_port mach/mach_host mach/mach4 \ device/device_request,\ $(user-interfaces)) endif # For some reason, the calls in this file are `protected' by an ifdef. MIGFLAGS-mach/mach4=-DMACH_PCSAMPLE # Make the MiG stubs for $(mach-shortcuts) be CALL_rpc. migdefines += $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc) $(mach-interface-list:%=mach/%.uh) \ mach/mach_host.uh mach/mach_port.uh: $(objpfx)mach-syscalls.mk ifdef mach-shortcuts $(mach-shortcuts:%=$(objpfx)%.c): $(objpfx)%.c: shortcut.awk \ $(objpfx)RPC_%_rpc.c $(AWK) -v alias=$* -v call=__$* -v rpc=__$*_rpc \ -v syscall=__syscall_$* -f $^ > $@-new mv -f $@-new $@ generated += $(mach-shortcuts:%=%.c) endif # mach-shortcuts # Generate mach-shortcuts.h, which will contain the prototypes for the # shortcutted kernel RPC functions. $(objpfx)mach-shortcuts.h: $(mach-interface-list:%=$(objpfx)mach/%.h) \ $(objpfx)mach/mach_host.h \ $(objpfx)mach/mach_port.h # The first line gets us one paragraph per line, with @s separating real lines. # The second line selects paragraphs for the shortcutted functions. # The third line removes `_rpc' from the names and reconstitutes the lines. cat $^ | tr \\012 @ | sed s/@@/@%/g | tr % \\012 \ | grep '^/\* Routine [a-z0-9_]*_rpc \*/' \ | sed 's/_rpc//g' | tr @ \\012 > $@-new mv -f $@-new $@ generated += mach-shortcuts.h before-compile += $(objpfx)mach-shortcuts.h include Machrules include ../Rules # A gcc bug prevents the generated file from working properly, # so we have one in the distribution for the time being. generated += errsystems.c $(objpfx)errsystems.c: errsystems.awk err_*.sub \ $(wildcard $(addsuffix /err_*.sub,$(+sysdep_dirs))) $(AWK) -v subsys='$(filter-out $<,$^)' -f $^ > $@.n mv -f $@.n $@