[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/csu/Makefile b/ap/libc/glibc/glibc-2.23/csu/Makefile
new file mode 100644
index 0000000..31e8bb9
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/csu/Makefile
@@ -0,0 +1,156 @@
+# Makefile for csu code for GNU C library.
+# Copyright (C) 1995-2016 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/>.
+
+# This directory contains the C startup code (that which calls main). This
+# consists of the startfile, built from start.c and installed as crt0.o
+# (traditionally) or crt1.o (for ELF). In ELF we also install crti.o and
+# crtn.o, special "initializer" and "finalizer" files used in the link
+# to make the .init and .fini sections work right.
+
+subdir := csu
+
+include ../Makeconfig
+
+routines = init-first libc-start $(libc-init) sysdep version check_fds \
+ libc-tls elf-init dso_handle
+aux = errno
+elide-routines.os = libc-tls
+static-only-routines = elf-init
+csu-dummies = $(filter-out $(start-installed-name),crt1.o Mcrt1.o)
+extra-objs = start.o \
+ $(start-installed-name) g$(start-installed-name) $(csu-dummies) \
+ S$(start-installed-name)
+omit-deps = $(patsubst %.o,%,$(start-installed-name) g$(start-installed-name) \
+ b$(start-installed-name) $(csu-dummies) \
+ S$(start-installed-name))
+install-lib = $(start-installed-name) g$(start-installed-name) $(csu-dummies)
+generated += version-info.h
+before-compile += $(objpfx)version-info.h
+
+tests := tst-empty tst-atomic tst-atomic-long
+tests-static := tst-empty
+
+ifeq (yes,$(build-shared))
+extra-objs += S$(start-installed-name) gmon-start.os
+ifneq ($(start-installed-name),$(static-start-installed-name))
+extra-objs += gmon-start.o
+endif
+install-lib += S$(start-installed-name)
+generated += start.os
+else
+extra-objs += gmon-start.o
+endif
+
+ifneq ($(start-installed-name),$(static-start-installed-name))
+extra-objs += $(static-start-installed-name) g$(static-start-installed-name)
+omit-deps += $(patsubst %.o,%,$(static-start-installed-name) \
+ g$(static-start-installed-name))
+install-lib += $(static-start-installed-name) g$(static-start-installed-name)
+endif
+
+before-compile += $(objpfx)abi-tag.h
+generated += abi-tag.h
+
+# These are the special initializer/finalizer files. They are always the
+# first and last file in the link. crti.o ... crtn.o define the global
+# "functions" _init and _fini to run the .init and .fini sections.
+crtstuff = crti crtn
+
+install-lib += $(crtstuff:=.o)
+extra-objs += $(crtstuff:=.o)
+
+extra-objs += abi-note.o init.o
+asm-CPPFLAGS += -I$(objpfx).
+
+include ../Rules
+
+# Make these in the lib pass so they're available in time to link things with.
+subdir_lib: $(extra-objs:%=$(objpfx)%)
+
+define link-relocatable
+$(CC) -nostdlib -nostartfiles -r -o $@ $^
+endef
+
+ifndef start-installed-name-rule
+# We link the ELF startfile along with a SHT_NOTE section indicating
+# the kernel ABI the binaries linked with this library will require.
+$(objpfx)$(start-installed-name): $(objpfx)start.o $(objpfx)abi-note.o \
+ $(objpfx)init.o
+ $(link-relocatable)
+$(objpfx)S$(start-installed-name): $(objpfx)start.os $(objpfx)abi-note.o \
+ $(objpfx)init.o
+ $(link-relocatable)
+endif
+
+# The profiling startfile is made by linking together the normal
+# startfile with gmon-start.o, which defines a constructor function
+# to turn on profiling code at startup.
+ifeq (yes,$(build-shared))
+$(objpfx)g$(start-installed-name): \
+ $(objpfx)g%: $(objpfx)S% $(objpfx)gmon-start.os
+ $(link-relocatable)
+ifneq ($(start-installed-name),$(static-start-installed-name))
+$(objpfx)g$(static-start-installed-name): \
+ $(objpfx)g%: $(objpfx)% $(objpfx)gmon-start.o
+ $(link-relocatable)
+endif
+else
+$(addprefix $(objpfx),$(sort g$(start-installed-name) \
+ g$(static-start-installed-name))): \
+ $(objpfx)g%: $(objpfx)% $(objpfx)gmon-start.o
+ $(link-relocatable)
+endif
+
+# These extra files are sometimes expected by system standard linking
+# procedures, but we have nothing for them to do. So compile empty files.
+$(addprefix $(objpfx),$(filter-out $(start-installed-name), $(csu-dummies))):\
+ $(before-compile)
+ $(COMPILE.c) -o $@ -x c /dev/null
+
+# These headers are used by the startup code.
+$(objpfx)abi-tag.h: $(..)abi-tags
+ $(make-target-directory)
+ rm -f $@.new
+ sed -e 's/#.*$$//' -e '/^[ ]*$$/d' $< | \
+ while read conf tagos tagver; do \
+ test `expr '$(config-machine)-$(config-vendor)-$(config-os)' \
+ : "$$conf"` != 0 || continue; \
+ ( echo "$$tagos" | \
+ sed -e 's/[^0-9xXa-fA-F ]//' \
+ -e 's/^/#define __ABI_TAG_OS /'; \
+ echo "#ifndef __ABI_TAG_VERSION"; \
+ echo "$$tagver" | \
+ sed -e 's/[^0-9xXa-fA-F]/ /g' -e 's/ *$$//' \
+ -e 's/ /,/g' -e 's/^/# define __ABI_TAG_VERSION /'; \
+ echo "#endif" ) > $@.new; \
+ done
+ if test -r $@.new; then mv -f $@.new $@; \
+ else echo >&2 'This configuration not matched in $<'; exit 1; fi
+
+all-Banner-files = $(wildcard $(addsuffix /Banner,\
+ $(sort $(subdir-srcdirs) \
+ $(sysdeps-srcdirs))))
+$(objpfx)version-info.h: $(common-objpfx)config.make $(all-Banner-files)
+ $(make-target-directory)
+ (files="$(all-Banner-files)"; \
+ if test -n "$$files"; then \
+ printf '"Available extensions:\\n"\n'; \
+ sed -e '/^#/d' -e 's/^[[:space:]]*/ /' \
+ -e 's/^\(.*\)$$/\"\1\\n\"/' $$files; \
+ fi) > $@T
+ mv -f $@T $@