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Diffstat (limited to 'REORG.TODO/mach/Makefile')
| -rw-r--r-- | REORG.TODO/mach/Makefile | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/REORG.TODO/mach/Makefile b/REORG.TODO/mach/Makefile new file mode 100644 index 0000000000..127cad00ca --- /dev/null +++ b/REORG.TODO/mach/Makefile @@ -0,0 +1,167 @@ +# Copyright (C) 1991-2017 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, see +# <http://www.gnu.org/licenses/>. + +subdir := mach + +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 +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 + +# 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 libc-modules.h +# 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) |