aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sh/sysdep.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sh/sysdep.S')
-rw-r--r--sysdeps/unix/sh/sysdep.S102
1 files changed, 102 insertions, 0 deletions
diff --git a/sysdeps/unix/sh/sysdep.S b/sysdeps/unix/sh/sysdep.S
new file mode 100644
index 0000000000..671eaba4ee
--- /dev/null
+++ b/sysdeps/unix/sh/sysdep.S
@@ -0,0 +1,102 @@
+/* Copyright (C) 1999, 2000 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+#define _ERRNO_H
+#include <bits/errno.h>
+
+ENTRY(__syscall_error)
+#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. */
+ mov.l .L1, r1
+ cmp/eq r1, r0
+ bf skip
+ nop
+ mov.l .L2, r0
+skip:
+#endif
+ /* Store it in errno... */
+#ifndef SHARED
+#ifndef _LIBC_REENTRANT
+ mov.l .L3, r1
+ mov.l r0, @r1
+#else
+ mov.l .L3, r1
+ sts.l pr, @-r15
+ jsr @r1
+ mov.l r0, @-r15
+ mov.l @r15+, r1
+ lds.l @r15+, pr
+ mov.l r1, @r0
+#endif
+#else
+ mov.l r12, @-r15
+#ifndef _LIBC_REENTRANT
+ mov r0, r2
+ mov.l 0f, r12
+ mova 0f, r0
+ add r0, r12
+ mov.l .L3, r0
+ mov.l @(r0,r12), r1
+ mov.l r2, @r1
+#else
+ mov.l r0, @-r15
+ sts.l pr, @-r15
+ mov.l 0f, r12
+ mova 0f, r0
+ add r0, r12
+ mov.l .L3, r1
+ mova .L3, r0
+ add r0, r1
+ jsr @r1
+ nop
+ lds.l @r15+, pr
+ mov.l @r15+, r1
+ mov.l r1, @r0
+#endif
+ mov.l @r15+, r12
+#endif
+ /* And just kick back a -1. */
+ rts
+ mov #-1, r0
+
+ .align 2
+#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
+.L1: .long EWOULDBLOCK_sys
+.L2: .long EAGAIN
+#endif
+#ifndef SHARED
+#ifndef _LIBC_REENTRANT
+.L3: .long C_SYMBOL_NAME(errno)
+#else
+.L3: .long C_SYMBOL_NAME(__errno_location)
+#endif
+#else
+0:
+ .long _GLOBAL_OFFSET_TABLE_
+#ifndef _LIBC_REENTRANT
+.L3: .long C_SYMBOL_NAME(errno@GOT)
+#else
+.L3: .long C_SYMBOL_NAME(__errno_location@PLT)
+#endif
+#endif
+END(__syscall_error)
+
+weak_alias (__syscall_error, syscall_error)