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authorWaldemar Brodkorb <wbx@openadk.org>2016-05-28 18:12:58 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-11-04 00:03:07 +0100
commitb8fcdddcbb192fc367ff04bbd753b9deb69b09f3 (patch)
tree8febdb9d4e3d090e9273c29df9ff06116196c8e4 /libc/sysdeps/linux/nios2/jmpbuf-unwind.h
parent191739597c6d380692885cfdd8dd8aa4f31f029d (diff)
nios2: sync support with glibc
Only static linking is supported for now. More debugging and analyzing for ld.so, TLS and NPTL is required. But at least you can bootup a static root fileystem in Qemu.
Diffstat (limited to 'libc/sysdeps/linux/nios2/jmpbuf-unwind.h')
-rw-r--r--libc/sysdeps/linux/nios2/jmpbuf-unwind.h39
1 files changed, 33 insertions, 6 deletions
diff --git a/libc/sysdeps/linux/nios2/jmpbuf-unwind.h b/libc/sysdeps/linux/nios2/jmpbuf-unwind.h
index c22ab2409..fe0028b09 100644
--- a/libc/sysdeps/linux/nios2/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/nios2/jmpbuf-unwind.h
@@ -1,12 +1,39 @@
-/*
- * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
- *
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
+/* Examine __jmp_buf for unwinding frames. Nios II version.
+ Copyright (C) 2005-2016 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, see
+ <http://www.gnu.org/licenses/>. */
#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)->__sp)
+ ((void *) (address) < (void *) (jmpbuf[JB_SP]))
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+
+#include <stdint.h>
+#include <unwind.h>
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
+
+#endif