Initial version of the CRIS port.

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])
+
+