| # 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 inhibit_mach_syscalls | |
| -include $(objpfx)mach-syscalls.mk | |
| 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>' | \ | |
| $(CC) $(CFLAGS) $(CPPFLAGS) -E -MD -MP -MF $@-dep -MT $@ \ | |
| -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 $< > $@-new | |
| ifneq (,$(objpfx)) | |
| sed $(sed-remove-objpfx) $@-dep >> $@-new | |
| else | |
| cat $@-dep >> $@-new | |
| endif | |
| 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 $@ | |
| # Convenient target to update all the generated source files. | |
| .PHONY: generated | |
| generated: $(addprefix $(common-objpfx),$(common-generated)) \ | |
| $(addprefix $(objpfx),$(generated)) | |
| .PHONY: mach-before-compile | |
| mach-before-compile: $(mach-before-compile) |