1 files changed, 135 insertions, 0 deletions
diff --git a/sysdeps/nacl/Makefile b/sysdeps/nacl/Makefile
new file mode 100644
index 0000000000..b51156b5ad
--- /dev/null
+++ b/sysdeps/nacl/Makefile
@@ -0,0 +1,135 @@
+# 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-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
+endif