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-rw-r--r--sysdeps/unix/sparc/sysdep.S47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/unix/sparc/sysdep.S b/sysdeps/unix/sparc/sysdep.S
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+++ b/sysdeps/unix/sparc/sysdep.S
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+/* Copyright (C) 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+#define _ERRNO_H
+#include <errnos.h>
+
+.global C_SYMBOL_NAME(errno)
+.global syscall_error
+
+.text
+.align 2
+#undef syscall_error
+#ifdef NO_UNDERSCORES
+__syscall_error:
+#else
+syscall_error:
+#endif
+#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
+ /* We translate the system's EWOULDBLOCK error into EAGAIN.
+ The GNU C library always defines EWOULDBLOCK==EAGAIN.
+ EWOULDBLOCK_sys is the original number. */
+ cmp %o0, EWOULDBLOCK_sys
+ be,a notblock
+ mov EAGAIN, %o0
+#endif
+notblock: /* Store the error code in `errno'. */
+ sethi %hi(C_SYMBOL_NAME(errno)), %g1
+ st %o0, [%g1 + %lo(C_SYMBOL_NAME(errno))]
+ /* And return -1. */
+ retl
+ mov -1, %o0