[PATCH 13/21] ARC: Build Infrastructure

[vineet.gupta1@synopsys.com (Vineet Gupta)]

Signed-off-by: Vineet Gupta <vgupta at synopsys.com>
---
 ChangeLog                                  | 13 +++++++++++++
 sysdeps/arc/Implies                        |  3 +++
 sysdeps/arc/Makefile                       | 25 +++++++++++++++++++++++++
 sysdeps/arc/Versions                       | 14 ++++++++++++++
 sysdeps/arc/configure                      | 17 +++++++++++++++++
 sysdeps/arc/configure.ac                   | 13 +++++++++++++
 sysdeps/arc/nptl/Makefile                  | 22 ++++++++++++++++++++++
 sysdeps/arc/preconfigure                   | 14 ++++++++++++++
 sysdeps/unix/sysv/linux/arc/Implies        |  3 +++
 sysdeps/unix/sysv/linux/arc/Makefile       | 16 ++++++++++++++++
 sysdeps/unix/sysv/linux/arc/Versions       | 12 ++++++++++++
 sysdeps/unix/sysv/linux/arc/configure      |  4 ++++
 sysdeps/unix/sysv/linux/arc/configure.ac   |  4 ++++
 sysdeps/unix/sysv/linux/arc/shlib-versions |  2 ++
 14 files changed, 162 insertions(+)
 create mode 100644 sysdeps/arc/Implies
 create mode 100644 sysdeps/arc/Makefile
 create mode 100644 sysdeps/arc/Versions
 create mode 100644 sysdeps/arc/configure
 create mode 100644 sysdeps/arc/configure.ac
 create mode 100644 sysdeps/arc/nptl/Makefile
 create mode 100644 sysdeps/arc/preconfigure
 create mode 100644 sysdeps/unix/sysv/linux/arc/Implies
 create mode 100644 sysdeps/unix/sysv/linux/arc/Makefile
 create mode 100644 sysdeps/unix/sysv/linux/arc/Versions
 create mode 100644 sysdeps/unix/sysv/linux/arc/configure
 create mode 100644 sysdeps/unix/sysv/linux/arc/configure.ac
 create mode 100644 sysdeps/unix/sysv/linux/arc/shlib-versions

diff --git a/ChangeLog b/ChangeLog
index 3735df67a3b2..6628960c487e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -92,6 +92,19 @@
 	* sysdeps/unix/sysv/linux/arc/libutil.abilist: New file.
 	* sysdeps/unix/sysv/linux/arc/localplt.data: New file.
 	* sysdeps/unix/sysv/linux/syscall-names.list: Update for ARC.
+	* sysdeps/arc/Implies: New file.
+	* sysdeps/arc/Makefile: New file.
+	* sysdeps/arc/Versions: New file.
+	* sysdeps/arc/configure: New file.
+	* sysdeps/arc/configure.ac: New file.
+	* sysdeps/arc/nptl/Makefile: New file.
+	* sysdeps/arc/preconfigure: New file.
+	* sysdeps/unix/sysv/linux/arc/Implies: New file.
+	* sysdeps/unix/sysv/linux/arc/Makefile: New file.
+	* sysdeps/unix/sysv/linux/arc/Versions: New file.
+	* sysdeps/unix/sysv/linux/arc/configure: New file.
+	* sysdeps/unix/sysv/linux/arc/configure.ac: New file.
+	* sysdeps/unix/sysv/linux/arc/shlib-versions: New file.
 
 2018-12-17  Joseph Myers  <joseph at codesourcery.com>
 
diff --git a/sysdeps/arc/Implies b/sysdeps/arc/Implies
new file mode 100644
index 000000000000..387a0ca05204
--- /dev/null
+++ b/sysdeps/arc/Implies
@@ -0,0 +1,3 @@
+wordsize-32
+ieee754/dbl-64
+ieee754/flt-32
diff --git a/sysdeps/arc/Makefile b/sysdeps/arc/Makefile
new file mode 100644
index 000000000000..a88eda115b95
--- /dev/null
+++ b/sysdeps/arc/Makefile
@@ -0,0 +1,25 @@
+# ARC Makefile
+# Copyright (C) 1993-2018 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/>.
+
+# We don't support long doubles as a distinct type.  We don't need to set
+# this variable; it's here mostly for documentational purposes.
+long-double-fcts = no
+
+ifeq ($(subdir),debug)
+CFLAGS-backtrace.c += -funwind-tables
+endif
diff --git a/sysdeps/arc/Versions b/sysdeps/arc/Versions
new file mode 100644
index 000000000000..c088bb27a0e5
--- /dev/null
+++ b/sysdeps/arc/Versions
@@ -0,0 +1,14 @@
+libc {
+  GLIBC_2.29 {
+    __adddf3; __addsf3; __divdf3; __divsf3; __eqdf2; __eqsf2; __extendsfdf2;
+    __fixdfdi; __fixdfsi; __fixsfdi; __fixsfsi;
+    __fixunsdfdi; __fixunsdfsi; __fixunssfdi; __fixunssfsi;
+    __floatdidf; __floatdisf; __floatsidf; __floatsisf;
+    __floatundidf; __floatundisf; __floatunsidf; __floatunsisf;
+    __gedf2; __gesf2; __gtdf2; __gtsf2; __ledf2; __lesf2; __ltdf2; __ltsf2;
+    __muldf3; __mulsf3; __nedf2; __nesf2; __negdf2; __negsf2;
+    __subdf3; __subsf3; __truncdfsf2; __unorddf2; __unordsf2;
+    __syscall_error;
+    __mcount;
+  }
+}
diff --git a/sysdeps/arc/configure b/sysdeps/arc/configure
new file mode 100644
index 000000000000..2033957d0d9f
--- /dev/null
+++ b/sysdeps/arc/configure
@@ -0,0 +1,17 @@
+# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
+ # Local configure fragment for sysdeps/arc.
+
+$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
+
+libc_cv_have_sdata_section=no
+
+# For ARC, historically ; was used for comments and not newline
+# Later # also got added to comment list, but ; couldn't be switched to
+# canonical newline as there's lots of code out there which will break
+libc_cv_asm_line_sep='`'
+cat >>confdefs.h <<_ACEOF
+#define ASM_LINE_SEP $libc_cv_asm_line_sep
+_ACEOF
+
+
+libc_cv_fpie=no
diff --git a/sysdeps/arc/configure.ac b/sysdeps/arc/configure.ac
new file mode 100644
index 000000000000..91e58efb35c8
--- /dev/null
+++ b/sysdeps/arc/configure.ac
@@ -0,0 +1,13 @@
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/arc.
+
+AC_DEFINE(PI_STATIC_AND_HIDDEN)
+libc_cv_have_sdata_section=no
+
+# For ARC, historically ; was used for comments and not newline
+# Later # also got added to comment list, but ; couldn't be switched to
+# canonical newline as there's lots of code out there which will break
+libc_cv_asm_line_sep='`'
+AC_DEFINE_UNQUOTED(ASM_LINE_SEP, $libc_cv_asm_line_sep)
+
+libc_cv_fpie=no
diff --git a/sysdeps/arc/nptl/Makefile b/sysdeps/arc/nptl/Makefile
new file mode 100644
index 000000000000..afeb58a8c1cb
--- /dev/null
+++ b/sysdeps/arc/nptl/Makefile
@@ -0,0 +1,22 @@
+# NPTL makefile fragment for ARC.
+# Copyright (C) 2005-2018 Free Software Foundation, Inc.
+#
+# This file is part of the GNU C Library.
+#
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+ifeq ($(subdir),csu)
+gen-as-const-headers += tcb-offsets.sym
+endif
diff --git a/sysdeps/arc/preconfigure b/sysdeps/arc/preconfigure
new file mode 100644
index 000000000000..1152a179c4aa
--- /dev/null
+++ b/sysdeps/arc/preconfigure
@@ -0,0 +1,14 @@
+case "$machine" in
+arc*)
+	base_machine=arc
+	machine=arc
+	;;
+esac
+
+gccfloat=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | grep __ARC_FPU_| wc -l`
+if test "$gccfloat" != "0"; then
+	echo "glibc being configured for double precision floating point"
+	with_fp_cond=1
+else
+	with_fp_cond=0
+fi
diff --git a/sysdeps/unix/sysv/linux/arc/Implies b/sysdeps/unix/sysv/linux/arc/Implies
new file mode 100644
index 000000000000..7f739a0340b6
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arc/Implies
@@ -0,0 +1,3 @@
+arc/nptl
+unix/sysv/linux/generic/wordsize-32
+unix/sysv/linux/generic
diff --git a/sysdeps/unix/sysv/linux/arc/Makefile b/sysdeps/unix/sysv/linux/arc/Makefile
new file mode 100644
index 000000000000..76e5d24daea2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arc/Makefile
@@ -0,0 +1,16 @@
+ifeq ($(subdir),stdlib)
+gen-as-const-headers += ucontext_i.sym
+endif
+
+ifeq ($(subdir),misc)
+# MIPS/Tile-style cacheflush routine
+sysdep_headers += sys/cachectl.h
+sysdep_routines += cacheflush
+endif
+
+ifeq ($(subdir),elf)
+ifeq ($(build-shared),yes)
+# This is needed for DSO loading from static binaries.
+sysdep-dl-routines += dl-static
+endif
+endif
diff --git a/sysdeps/unix/sysv/linux/arc/Versions b/sysdeps/unix/sysv/linux/arc/Versions
new file mode 100644
index 000000000000..ac3327426360
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arc/Versions
@@ -0,0 +1,12 @@
+ld {
+  GLIBC_PRIVATE {
+    # used for loading by static libraries
+    _dl_var_init;
+  }
+}
+libc {
+  GLIBC_2.29 {
+    _flush_cache;
+    cacheflush;
+  }
+}
diff --git a/sysdeps/unix/sysv/linux/arc/configure b/sysdeps/unix/sysv/linux/arc/configure
new file mode 100644
index 000000000000..f74fa7cb0259
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arc/configure
@@ -0,0 +1,4 @@
+# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
+ # Local configure fragment for sysdeps/unix/sysv/linux/arc.
+
+arch_minimum_kernel=3.9.0
diff --git a/sysdeps/unix/sysv/linux/arc/configure.ac b/sysdeps/unix/sysv/linux/arc/configure.ac
new file mode 100644
index 000000000000..a9528032d32a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arc/configure.ac
@@ -0,0 +1,4 @@
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/unix/sysv/linux/arc.
+
+arch_minimum_kernel=3.9.0
diff --git a/sysdeps/unix/sysv/linux/arc/shlib-versions b/sysdeps/unix/sysv/linux/arc/shlib-versions
new file mode 100644
index 000000000000..e527acd77892
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arc/shlib-versions
@@ -0,0 +1,2 @@
+DEFAULT                 GLIBC_2.29
+ld=ld-linux-arc.so.2
-- 
2.7.4