about summary refs log tree commit diff
path: root/REORG.TODO/sysdeps/sparc/sparc32/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/sysdeps/sparc/sparc32/Makefile')
-rw-r--r--REORG.TODO/sysdeps/sparc/sparc32/Makefile55
1 files changed, 55 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sparc/sparc32/Makefile b/REORG.TODO/sysdeps/sparc/sparc32/Makefile
new file mode 100644
index 0000000000..14d6e03c6f
--- /dev/null
+++ b/REORG.TODO/sysdeps/sparc/sparc32/Makefile
@@ -0,0 +1,55 @@
+# Copyright (C) 1991-2017 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/>.
+
+ifeq ($(subdir),gnulib)
+sysdep_routines = dotmul umul $(divrem) alloca
+endif	# gnulib
+
+# We distribute these files, even though they are generated,
+# so as to avoid the need for a functioning m4 to build the library.
+divrem := sdiv udiv rem urem
+
++divrem-NAME-sdiv := div
++divrem-NAME-udiv := udiv
++divrem-NAME-rem := rem
++divrem-NAME-urem := urem
++divrem-NAME = $(+divrem-NAME-$(basename $(notdir $@)))
++divrem-OP-div := div
++divrem-OP-udiv := div
++divrem-OP-rem := rem
++divrem-OP-urem := rem
++divrem-S-div := true
++divrem-S-rem := true
++divrem-S-udiv := false
++divrem-S-urem := false
+$(divrem:%=$(sysdep_dir)/sparc/sparc32/%.S): $(sysdep_dir)/sparc/sparc32/divrem.m4
+	(echo "define(NAME,\`.$(+divrem-NAME)')\
+	       define(OP,\`$(+divrem-OP-$(+divrem-NAME))')\
+	       define(S,\`$(+divrem-S-$(+divrem-NAME))')\
+	       /* This file is generated from divrem.m4; DO NOT EDIT! */"; \
+	 cat $<) | $(M4) > $@-tmp
+# Make it unwritable so noone will edit it by mistake.
+	-chmod a-w $@-tmp
+	mv -f $@-tmp $@
+
+sysdep-realclean := $(sysdep-realclean) $(divrem:%=sysdeps/sparc/sparc32/%.S)
+
+# libgcc __divdi3 and __moddi3 uses .udiv and since it is also exported by
+# libc.so linker will create PLTs for the symbol.  To avoid it we strong alias
+# the exported libc one to __wrap_.udiv and use linker option --wrap to make any
+# call to .udiv to call the wrapper symbol.
+libc.so-gnulib += -Wl,--wrap=.udiv