| # Makefile fragment for NaCl configurations. |
| |
| # Copyright (C) 2015 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/>. |
| |
| # The libthread_db code does not compile for NaCl because there is no |
| # sys/procfs.h supplying the register layout types. But since libthread_db |
| # will probably never be useful for NaCl, just elide the directory rather |
| # than implementing stuff to make it compile (and never get used). |
| subdirs := $(filter-out nptl_db,$(subdirs)) |
| sorted-subdirs := $(filter-out nptl_db,$(sorted-subdirs)) |
| |
| # The (required) --with-headers option to configure sets sysheaders to the |
| # location of the native_client/.. source directory. We'll get necessary |
| # headers directly from there. |
| naclsrc = $(sysheaders)/native_client/src |
| |
| # How to find the directory containing this Makefile. |
| nacl = $(..)sysdeps/nacl |
| |
| # Generate our bits/errno.h with the numbers from NaCl's sys/errno.h file. |
| nacl-errno = $(naclsrc)/trusted/service_runtime/include/sys/errno.h |
| |
| bits-errno = $(common-objpfx)bits/errno.h |
| $(bits-errno): $(common-objpfx)stamp-errnos ; |
| $(common-objpfx)stamp-errnos: $(nacl)/errnos.awk $(..)manual/errno.texi \ |
| $(nacl-errno) |
| $(make-target-directory) |
| $(AWK) -f $^ > $(bits-errno)-tmp |
| # Make it unwritable so noone will edit it by mistake. |
| -chmod a-w $(bits-errno)-tmp |
| $(move-if-change) $(bits-errno)-tmp $(bits-errno) |
| touch $@ |
| common-generated += stamp-errnos bits/errno.h |
| before-compile += $(bits-errno) |
| |
| # Massage NaCl's irt.h (and irt_dev.h) into something we can use. |
| # See irt.sed for details. |
| nacl-irt.h = $(common-objpfx)nacl-irt.h |
| $(nacl-irt.h): $(nacl)/irt.sed \ |
| $(naclsrc)/untrusted/irt/irt.h \ |
| $(naclsrc)/untrusted/irt/irt_dev.h |
| sed -f $^ > $@.new |
| mv -f $@.new $@ |
| common-generated += nacl-irt.h |
| before-compile += $(nacl-irt.h) |
| |
| $(common-objpfx)nacl-interfaces.v.i: $(nacl)/nacl-interfaces.mk.in \ |
| $(nacl)/nacl-interface-list.h |
| -include $(common-objpfx)nacl-interfaces.v |
| common-generated += nacl-interfaces.v |
| before-compile += $(common-objpfx)nacl-interfaces.v |
| |
| nacl-all-interfaces = $(nacl-mandatory-interfaces) $(nacl-optional-interfaces) |
| nacl-interface-routines = $(nacl-all-interfaces:%=nacl-interface-%) |
| |
| define nacl-interface-table-command |
| (echo '#define INTERFACE_CATEGORY $1'; \ |
| echo '#define INTERFACE_MODULE $(firstword $(subst -, ,$*))'; \ |
| echo '#define INTERFACE_TYPE $(word 2,$(subst -, ,$*))'; \ |
| echo '#define INTERFACE_STRING $(nacl-$*-string)'; \ |
| echo '#include "nacl-interface-table.c"' \ |
| ) > $@T |
| mv -f $@T $@ |
| endef |
| |
| nacl-interface-pattern = $(objpfx)nacl-interface-%.c |
| |
| $(nacl-mandatory-interfaces:%=$(nacl-interface-pattern)): \ |
| $(nacl-interface-pattern): $(nacl)/Makefile $(common-objpfx)nacl-interfaces.v |
| $(make-target-directory) |
| $(call nacl-interface-table-command,mandatory) |
| $(nacl-optional-interfaces:%=$(nacl-interface-pattern)): \ |
| $(nacl-interface-pattern): $(nacl)/Makefile $(common-objpfx)nacl-interfaces.v |
| $(make-target-directory) |
| $(call nacl-interface-table-command,optional) |
| |
| nacl-routines-of = $(filter nacl-interface-$1-%,$(nacl-interface-routines)) |
| |
| |
| # Run the NaCl code validator on binaries after we link them, so the |
| # build does not succeed with any binary that won't pass validation. |
| # Moving the file around makes sure that we don't leave a target |
| # appearing complete after it fails validation. |
| define after-link |
| mv -f $1 $1.prevalidation |
| $(nacl)/nacl-after-link.sh '${READELF}' $1.prevalidation |
| mv -f $1.prevalidation $1 |
| endef |
| |
| # The test wrapper script takes care of running things under NaCl's sel_ldr. |
| test-wrapper-env-only = $(nacl)/nacl-test-wrapper.sh --arch=$(nacl-sdk-arch) |
| test-wrapper-env = $(test-wrapper-env-only) |
| test-wrapper = $(test-wrapper-env) -- |
| |
| ifeq ($(subdir),csu) |
| sysdep_routines += nacl_interface_query nacl_interface_ext_supply \ |
| nacl-interfaces $(call nacl-routines-of,libc) |
| endif |
| |
| ifeq ($(subdir),elf) |
| sysdep-dl-routines += $(call nacl-routines-of,rtld) |
| sysdep-rtld-routines += nacl-interfaces $(call nacl-routines-of,rtld) |
| endif |
| |
| ifeq ($(subdir),io) |
| sysdep_routines += xstatconv |
| endif |
| |
| ifeq ($(subdir),nptl) |
| # We do not need any wrappers in libpthread. |
| libpthread-routines := $(filter-out ptw-%,$(libpthread-routines)) |
| endif |
| |
| ifeq ($(subdir),misc) |
| # We reuse the Linux file since the bits match. The file lives in the |
| # top-level source tree so we can use it without reference to any |
| # sysdeps/.../linux/ directories, but it's still a sysdeps decision to |
| # install it. |
| sysdep_headers += bits/mman-linux.h |
| |
| # This defeats sysdeps/gnu/Makefile's addition of sys/mtio.h, which |
| # we do not want. This is a total kludge, but it seems no worse for |
| # now than making the sysdeps/gnu/Makefile code conditional on a |
| # variable we set here. If some sysdeps/.../Makefile that is later |
| # in the list than sysdeps/gnu needed to add to sysdep_headers, this |
| # would break it. But sysdeps/gnu is close to last in the list and |
| # this coming up seems unlikely. |
| override sysdep_headers := $(sysdep_headers) |
| endif |