summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/microblaze/__longjmp.S
diff options
context:
space:
mode:
authorDavid McCullough <davidm@snapgear.com>2003-10-14 11:52:32 +0000
committerDavid McCullough <davidm@snapgear.com>2003-10-14 11:52:32 +0000
commit94b92c2fab333403aa43fd55ec858fdbf666f8c3 (patch)
tree10e30871a37756c010dbbb26326bf934ba434552 /libc/sysdeps/linux/microblaze/__longjmp.S
parent34c5a8290b32d93beca6ae8f9c346bbadf408591 (diff)
Microblaze port from the uClinux-dist,
contributed by John Williams <jwilliams@itee.uq.edu.au>
Diffstat (limited to 'libc/sysdeps/linux/microblaze/__longjmp.S')
-rw-r--r--libc/sysdeps/linux/microblaze/__longjmp.S47
1 files changed, 47 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/microblaze/__longjmp.S b/libc/sysdeps/linux/microblaze/__longjmp.S
new file mode 100644
index 000000000..e87a6f6a3
--- /dev/null
+++ b/libc/sysdeps/linux/microblaze/__longjmp.S
@@ -0,0 +1,47 @@
+/*
+ * libc/sysdeps/linux/microblaze/longjmp.S -- `longjmp' for microblaze
+ *
+ * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
+ * Copyright (C) 2001 NEC Corporation
+ * Copyright (C) 2001 Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License. See the file COPYING.LIB in the main
+ * directory of this archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+#include <clinkage.h>
+
+ .text
+C_ENTRY(__longjmp):
+ /* load registers from memory to r5 (arg0)*/
+ lwi r1, r5, 0
+ lwi r15, r5, 4
+ lwi r18, r5, 8
+ lwi r19, r5, 12
+ lwi r20, r5, 16
+ lwi r21, r5, 20
+ lwi r22, r5, 24
+ lwi r23, r5, 28
+ lwi r24, r5, 32
+ lwi r25, r5, 36
+ lwi r26, r5, 40
+ lwi r27, r5, 44
+ lwi r28, r5, 48
+ lwi r29, r5, 52
+ lwi r30, r5, 56
+
+ addi r3, r0, 1 // return val
+ rtsd r15, 8 // normal return
+ nop
+
+C_END(__longjmp)
+
+.weak C_SYMBOL_NAME(__sigprocmask)
+C_SYMBOL_NAME(__sigprocmask) = C_SYMBOL_NAME(sigprocmask)