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136 lines
5.0 KiB
Makefile
136 lines
5.0 KiB
Makefile
# Makefile fragment for NaCl configurations.
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# Copyright (C) 2015 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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# The libthread_db code does not compile for NaCl because there is no
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# sys/procfs.h supplying the register layout types. But since libthread_db
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# will probably never be useful for NaCl, just elide the directory rather
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# than implementing stuff to make it compile (and never get used).
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subdirs := $(filter-out nptl_db,$(subdirs))
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sorted-subdirs := $(filter-out nptl_db,$(sorted-subdirs))
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# The (required) --with-headers option to configure sets sysheaders to the
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# location of the native_client/.. source directory. We'll get necessary
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# headers directly from there.
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naclsrc = $(sysheaders)/native_client/src
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# How to find the directory containing this Makefile.
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nacl = $(..)sysdeps/nacl
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# Generate our bits/errno.h with the numbers from NaCl's sys/errno.h file.
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nacl-errno = $(naclsrc)/trusted/service_runtime/include/sys/errno.h
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bits-errno = $(common-objpfx)bits/errno.h
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$(bits-errno): $(common-objpfx)stamp-errnos ;
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$(common-objpfx)stamp-errnos: $(nacl)/errnos.awk $(..)manual/errno.texi \
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$(nacl-errno)
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$(make-target-directory)
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$(AWK) -f $^ > $(bits-errno)-tmp
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# Make it unwritable so noone will edit it by mistake.
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-chmod a-w $(bits-errno)-tmp
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$(move-if-change) $(bits-errno)-tmp $(bits-errno)
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touch $@
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common-generated += stamp-errnos bits/errno.h
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before-compile += $(bits-errno)
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# Massage NaCl's irt.h (and irt_dev.h) into something we can use.
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# See irt.sed for details.
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nacl-irt.h = $(common-objpfx)nacl-irt.h
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$(nacl-irt.h): $(nacl)/irt.sed \
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$(naclsrc)/untrusted/irt/irt.h \
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$(naclsrc)/untrusted/irt/irt_dev.h
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sed -f $^ > $@.new
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mv -f $@.new $@
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common-generated += nacl-irt.h
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before-compile += $(nacl-irt.h)
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$(common-objpfx)nacl-interfaces.v.i: $(nacl)/nacl-interfaces.mk.in \
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$(nacl)/nacl-interface-list.h
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-include $(common-objpfx)nacl-interfaces.v
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common-generated += nacl-interfaces.v
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before-compile += $(common-objpfx)nacl-interfaces.v
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nacl-all-interfaces = $(nacl-mandatory-interfaces) $(nacl-optional-interfaces)
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nacl-interface-routines = $(nacl-all-interfaces:%=nacl-interface-%)
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define nacl-interface-table-command
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(echo '#define INTERFACE_CATEGORY $1'; \
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echo '#define INTERFACE_MODULE $(firstword $(subst -, ,$*))'; \
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echo '#define INTERFACE_TYPE $(word 2,$(subst -, ,$*))'; \
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echo '#define INTERFACE_STRING $(nacl-$*-string)'; \
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echo '#include "nacl-interface-table.c"' \
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) > $@T
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mv -f $@T $@
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endef
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nacl-interface-pattern = $(objpfx)nacl-interface-%.c
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$(nacl-mandatory-interfaces:%=$(nacl-interface-pattern)): \
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$(nacl-interface-pattern): $(nacl)/Makefile $(common-objpfx)nacl-interfaces.v
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$(make-target-directory)
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$(call nacl-interface-table-command,mandatory)
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$(nacl-optional-interfaces:%=$(nacl-interface-pattern)): \
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$(nacl-interface-pattern): $(nacl)/Makefile $(common-objpfx)nacl-interfaces.v
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$(make-target-directory)
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$(call nacl-interface-table-command,optional)
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nacl-routines-of = $(filter nacl-interface-$1-%,$(nacl-interface-routines))
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# Run the NaCl code validator on binaries after we link them, so the
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# build does not succeed with any binary that won't pass validation.
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# Moving the file around makes sure that we don't leave a target
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# appearing complete after it fails validation.
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define after-link
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mv -f $1 $1.prevalidation
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$(nacl)/nacl-after-link.sh '${READELF}' $1.prevalidation
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mv -f $1.prevalidation $1
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endef
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# The test wrapper script takes care of running things under NaCl's sel_ldr.
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test-wrapper-env-only = $(nacl)/nacl-test-wrapper.sh --arch=$(nacl-sdk-arch)
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test-wrapper-env = $(test-wrapper-env-only)
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test-wrapper = $(test-wrapper-env) --
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ifeq ($(subdir),csu)
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sysdep_routines += nacl_interface_query \
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nacl-interfaces $(call nacl-routines-of,libc)
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endif
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ifeq ($(subdir),elf)
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sysdep-dl-routines += $(call nacl-routines-of,rtld)
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sysdep-rtld-routines += nacl-interfaces $(call nacl-routines-of,rtld)
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endif
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ifeq ($(subdir),io)
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sysdep_routines += xstatconv
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endif
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ifeq ($(subdir),nptl)
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# We do not need any wrappers in libpthread.
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libpthread-routines := $(filter-out ptw-%,$(libpthread-routines))
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endif
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ifeq ($(subdir),misc)
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# We reuse the Linux file since the bits match. The file lives in the
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# top-level source tree so we can use it without reference to any
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# sysdeps/.../linux/ directories, but it's still a sysdeps decision to
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# install it.
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sysdep_headers += bits/mman-linux.h
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endif
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