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authorPeter S. Mazinger <ps.m@gmx.net>2011-03-13 20:56:54 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2012-06-15 14:00:23 +0200
commit0078a92e395d3e351c0ff23536781b58a800131e (patch)
tree39396e644f01bee3a2c8ddd009ec0fd521f3cff6 /libc/sysdeps/linux/i386
parent8f86b8a1977128e2795737fed2577b377cc2b15e (diff)
add jmpbuf-offsets.h and jmpbuf-unwind.h for all archs (LT related)
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/i386')
-rw-r--r--libc/sysdeps/linux/i386/jmpbuf-offsets.h26
-rw-r--r--libc/sysdeps/linux/i386/jmpbuf-unwind.h12
2 files changed, 38 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/jmpbuf-offsets.h b/libc/sysdeps/linux/i386/jmpbuf-offsets.h
new file mode 100644
index 000000000..c53d539ed
--- /dev/null
+++ b/libc/sysdeps/linux/i386/jmpbuf-offsets.h
@@ -0,0 +1,26 @@
+/* Private macros for accessing __jmp_buf contents. i386 version.
+ Copyright (C) 2006 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#define JB_BX 0
+#define JB_SI 1
+#define JB_DI 2
+#define JB_BP 3
+#define JB_SP 4
+#define JB_PC 5
+#define JB_SIZE 24
diff --git a/libc/sysdeps/linux/i386/jmpbuf-unwind.h b/libc/sysdeps/linux/i386/jmpbuf-unwind.h
new file mode 100644
index 000000000..8b75dce5c
--- /dev/null
+++ b/libc/sysdeps/linux/i386/jmpbuf-unwind.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+#include <setjmp.h>
+#include <jmpbuf-offsets.h>
+
+/* 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])