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Diffstat (limited to 'libgloss/epiphany/link.c')
-rw-r--r--libgloss/epiphany/link.c53
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diff --git a/libgloss/epiphany/link.c b/libgloss/epiphany/link.c
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+/* EPIPHANY implementation of _link ()
+
+ Copyright (c) 2011, Adapteva, Inc.
+ All rights reserved.
+
+ Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the name of Adapteva nor the names of its contributors may be
+ used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE. */
+
+
+#include <unistd.h>
+#include <syscall.h>
+
+
+/* ------------------------------------------------------------------------- */
+/*!Establish a new name for an existing file.
+
+ Call an assembly function which will generate a system call trap. Either
+ the simulator host file system or the hardware BSP must provide the
+ functionality.
+
+ @param[in] old The existing file name
+ @param[in] new The new file name
+
+ @return 0 on success, -1 on failure with an error code in errno. */
+/* ------------------------------------------------------------------------- */
+int __attribute__ ((section ("libgloss_epiphany")))
+_link (const char *old, const char *new)
+{
+ return asm_syscall (old, new, NULL, SYS_link);
+
+} /* _link () */