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authorEric Andersen <andersen@codepoet.org>2001-01-12 10:16:05 +0000
committerEric Andersen <andersen@codepoet.org>2001-01-12 10:16:05 +0000
commit77879554671206102471bb282accb3251395d151 (patch)
tree4bc8854140028577b324e3ddaf05d043744618a3 /libc/sysdeps/linux/m68k/bits/setjmp.h
parente4492b9c21b645018b2d7702665be8c1eb4a1b5c (diff)
Thanks to James Graves <jgraves@deltamobile.com>, we now have
a first pass at getting m68k working. It may have some problems, but should now be fairly close.
Diffstat (limited to 'libc/sysdeps/linux/m68k/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/m68k/bits/setjmp.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/m68k/bits/setjmp.h b/libc/sysdeps/linux/m68k/bits/setjmp.h
new file mode 100644
index 000000000..aa376a092
--- /dev/null
+++ b/libc/sysdeps/linux/m68k/bits/setjmp.h
@@ -0,0 +1,46 @@
+/* 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'. m68k version. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+typedef struct
+ {
+ /* There are eight 4-byte data registers, but D0 is not saved. */
+ long int __dregs[7];
+
+ /* There are six 4-byte address registers, plus the FP and SP. */
+ int *__aregs[6];
+ int *__fp;
+ int *__sp;
+
+#if defined __HAVE_68881__ || defined __HAVE_FPU__
+ /* There are eight floating point registers which
+ are saved in IEEE 96-bit extended format. */
+ char __fpregs[8 * (96 / 8)];
+#endif
+
+ } __jmp_buf[1];
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)->__sp)