-# Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
+# Copyright (C) 1991-2019 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.
+# 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
-# Library General Public License for more details.
+# Lesser 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.
+# 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
-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-headers) machine-sp.h bits/mach/param.h
lock = spin-solid spin-lock mutex-init mutex-solid
-lock-headers = lock-intern.h machine-lock.h spin-lock.h
+lock-headers = lock-intern.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 bootprivport setup-thread $(lock)
+ devstream setup-thread $(lock)
+
# The RPC interfaces go in a separate library.
interface-library := libmachuser
-user-interfaces := $(addprefix mach/,mach_interface mach_port mach_host \
- memory_object_user \
- memory_object_default \
- exc mach4 \
- default_pager default_pager_helper \
- )\
- $(addprefix device/,device device_request)
+
# 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
-server-interfaces := mach/exc
-tests := hello
-# 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
+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 =
+
+# Avoid ssp before TLS is initialized.
+CFLAGS-mach_init.o = $(no-stack-protector)
+CFLAGS-RPC_vm_statistics.o = $(no-stack-protector)
+CFLAGS-RPC_vm_map.o = $(no-stack-protector)
+CFLAGS-RPC_vm_protect.o = $(no-stack-protector)
+CFLAGS-RPC_i386_set_gdt.o = $(no-stack-protector)
+CFLAGS-RPC_i386_set_ldt.o = $(no-stack-protector)
+CFLAGS-RPC_task_get_special_port.o = $(no-stack-protector)
\f
+# 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
+-include $(objpfx)mach-syscalls.mk
endif
-endif
-$(objpfx)mach-syscalls.mk: syscalls.awk Makefile
+$(objpfx)mach-syscalls.mk: syscalls.awk Makefile libc-modules.h
# Go kludges!!!
+ $(make-target-directory)
+# We must use $(CFLAGS) to get -O flags that affect #if's in header files.
echo '#include <mach/syscall_sw.h>' | \
- DEPENDENCIES_OUTPUT='$@-dep $@' \
- $(CC) $(CPPFLAGS) -E -x c-header - \
- -D_MACH_`echo $(base-machine) | tr a-z A-Z`_SYSCALL_SW_H_=1 | \
+ $(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
- cat $@-dep >> $@-new; rm -f $@-dep
- mv $@-new $@
+ | $(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
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 $@-new $@
+ echo 'kernel_trap (__$*,$(sysno-$*),$(nargs-$*))'; \
+ echo 'weak_alias (__$*, $*)'; \
+ echo 'libc_hidden_def (__$*)') > $@-new
+ mv -f $@-new $@
generated += $(mach-syscalls:=.S)
endif # mach-syscalls
-# syscall_device_writev_request has no RPC equivalent.
-mach-shortcuts := $(filter-out device_writev_request,\
+# 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/mach_interface \
- mach/mach_port mach/mach_host mach/mach4 \
+user-interfaces := $(filter-out $(mach-interface-list:%=mach/%) \
+ mach/mach_port mach/mach_host mach/mach4 mach/gnumach \
device/device_request,\
$(user-interfaces))
endif
# Make the MiG stubs for $(mach-shortcuts) be CALL_rpc.
migdefines += $(foreach call,$(mach-shortcuts),-D$(call)=$(call)_rpc)
-mach/mach_interface.uh mach/mach_host.uh mach/mach_port.uh: $(objpfx)mach-syscalls.mk
+$(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 \
$(objpfx)RPC_%_rpc.c
- gawk -v alias=$* -v call=__$* -v rpc=__$*_rpc -v syscall=__syscall_$* \
- -f $^ > $@-new
- mv $@-new $@
+ $(AWK) -v alias=$* -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: $(objpfx)mach/mach_interface.h \
+$(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 rerealifies the lines.
- cat $^ | tr \\012 @ | sed s/@@/@%/g | tr % \\012 \
- | grep '^/\* Routine [a-z0-9_]*_rpc \*/' \
- | sed 's/_rpc//g' | tr @ \\012 > $@-new
- mv $@-new $@
+# The third line removes `_rpc' from the names and reconstitutes the lines.
+ ( echo "#include <mach/mach_types.h>" ; \
+ echo "#include <mach/message.h>" ; \
+ echo ; \
+ 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
generated += errsystems.c
$(objpfx)errsystems.c: errsystems.awk err_*.sub \
$(wildcard $(addsuffix /err_*.sub,$(+sysdep_dirs)))
- gawk -v subsys='$(filter-out $<,$^)' -f $^ > $@.n
- mv $@.n $@
+ $(AWK) -v subsys='$(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)
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