From ee92c0fe5c1b9d59508273916e2c9a75b68dbc13 Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@openadk.org>
Date: Thu, 21 Apr 2016 01:25:29 +0200
Subject: nds32: add support for new architecture

Add support for Andes Technology NDS32 architecture.
See here http://www.andestech.com/en/index/index.htm for more
informaton. Verification of the port from an older uClibc
port was done on a sponsored AG101p board.

The testsuite only has 5 errors, three are related to
an existing bug in dlclose() with LT.old, also happening
on cris32 and m68k.

Failures to fallocate/posix_fallocate are unresolved.

Thanks to Andes Technology sponsoring the hardware and
being very helpful while doing the uClibc-ng porting.

Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
---
 libc/sysdeps/linux/nds32/crti.S | 81 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 libc/sysdeps/linux/nds32/crti.S

(limited to 'libc/sysdeps/linux/nds32/crti.S')

diff --git a/libc/sysdeps/linux/nds32/crti.S b/libc/sysdeps/linux/nds32/crti.S
new file mode 100644
index 000000000..92e5e7175
--- /dev/null
+++ b/libc/sysdeps/linux/nds32/crti.S
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2016 Andes Technology, Inc.
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+	.pic
+#APP
+	.section .init
+	.align	2
+	.globl	_init
+	.type	_init, @function
+_init:
+.LFB28:
+        ! Generate instructions for ABI: 1
+	! pretend args size: 0, auto vars size: 0, pushed regs size: 12, outgoing args size: 24
+        ! Generate instructions for ABI: 2
+	! pretend args size: 0, auto vars size: 0, pushed regs size: 12, outgoing args size: 0
+	! frame pointer: $fp, needed: yes
+	! $fp $gp $lp
+	! prologue
+	.off_16bit
+	smw.adm $sp,[$sp],$sp,#0x8
+	smw.adm $sp,[$sp],$sp,#0x6
+	.restore_16bit
+#ifdef __NDS32_N1213_43U1H__
+	sethi	$gp, hi20(_GLOBAL_OFFSET_TABLE_+8)
+	ori	$gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_+12)
+#else
+	sethi	$gp, hi20(_GLOBAL_OFFSET_TABLE_-8)
+	ori	$gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_-4)
+	mfusr	$ta, $pc
+#endif
+	add	$gp, $ta, $gp
+#if defined(NDS32_ABI_2) || defined(NDS32_ABI_2FP)
+        addi    $sp, $sp, -4
+        addi    $fp, $sp, 8
+#else
+        addi    $sp, $sp, -28
+        addi    $fp, $sp, 32
+#endif
+	! end of prologue
+#APP
+	.align	2
+
+	.section .fini
+	.align	2
+	.globl	_fini
+	.type	_fini, @function
+_fini:
+.LFB29:
+        ! Generate instructions for ABI: 1
+	! pretend args size: 0, auto vars size: 0, pushed regs size: 12, outgoing args size: 24
+        ! Generate instructions for ABI: 2
+	! pretend args size: 0, auto vars size: 0, pushed regs size: 12, outgoing args size: 0
+	! frame pointer: $fp, needed: yes
+	! $fp $gp $lp
+	! prologue
+	.off_16bit
+	smw.adm $sp,[$sp],$sp,#0x8
+	smw.adm $sp,[$sp],$sp,#0x6
+	.restore_16bit
+#ifdef __NDS32_N1213_43U1H__
+	sethi	$gp, hi20(_GLOBAL_OFFSET_TABLE_+8)
+	ori	$gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_+12)
+#else
+	sethi	$gp, hi20(_GLOBAL_OFFSET_TABLE_-8)
+	ori	$gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_-4)
+	mfusr	$ta, $pc
+#endif
+	add	$gp, $ta, $gp
+#if defined(NDS32_ABI_2) || defined(NDS32_ABI_2FP)
+        addi    $sp, $sp, -4
+        addi    $fp, $sp, 8
+#else
+        addi    $sp, $sp, -28
+        addi    $fp, $sp, 32
+#endif
+	! end of prologue
+#APP
+	.align  2
+	.ident	"GCC: (GNU) 3.4.4"
-- 
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