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authorTobias Anderberg <tobias.anderberg@axis.com>2002-09-16 08:08:37 +0000
committerTobias Anderberg <tobias.anderberg@axis.com>2002-09-16 08:08:37 +0000
commit35df59db508dbf23437f3253f25147191796e19f (patch)
tree59047d1c78611a04816d17cb8182666e1ae4b3b1 /libc/sysdeps/linux/cris/bits/setjmp.h
parentda6874a62e91b80e39cfd8f20a5b9d36ec28db0b (diff)
Initial version of the CRIS port.
Diffstat (limited to 'libc/sysdeps/linux/cris/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/cris/bits/setjmp.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/cris/bits/setjmp.h b/libc/sysdeps/linux/cris/bits/setjmp.h
new file mode 100644
index 000000000..ba9cbc93c
--- /dev/null
+++ b/libc/sysdeps/linux/cris/bits/setjmp.h
@@ -0,0 +1,64 @@
+/* Copyright (C) 1997, 1998 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. */
+
+/* Define the machine-dependent type `jmp_buf'. CRIS version. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+/*
+ Note that we save and restore CCR to be able to
+ correctly handle DI/EI. Note also that the "move x,ccr" does NOT affect
+ the DMA enable bits (E and D).
+
+ jmp_buf[0] - PC
+ jmp_buf[1] - SP (R14)
+ jmp_buf[2] - R13
+ jmp_buf[3] - R12
+ jmp_buf[4] - R11
+ jmp_buf[5] - R10
+ jmp_buf[6] - R9
+ jmp_buf[7] - R8
+ jmp_buf[8] - R7
+ jmp_buf[9] - R6
+ jmp_buf[10] - R5
+ jmp_buf[11] - R4
+ jmp_buf[12] - R3
+ jmp_buf[13] - R2
+ jmp_buf[14] - R1
+ jmp_buf[15] - R0
+ jmp_buf[16] - SRP
+ jmp_buf[17] - CCR
+ */
+
+#define _JBLEN 18
+#if defined (__USE_MISC) || defined (_ASM)
+#define JB_SP 1
+#endif
+
+#ifndef _ASM
+typedef int __jmp_buf[_JBLEN];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)[JB_SP])
+
+