OpenCores
URL https://opencores.org/ocsvn/hf-risc/hf-risc/trunk

Subversion Repositories hf-risc

[/] [hf-risc/] [trunk/] [tools/] [riscv-gnu-toolchain-master/] [glibc/] [sysdeps/] [riscv/] [jmpbuf-unwind.h] - Blame information for rev 13

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 13 serginhofr
/* Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
2
   This file is part of the GNU C Library.
3
 
4
   The GNU C Library is free software; you can redistribute it and/or
5
   modify it under the terms of the GNU Lesser General Public
6
   License as published by the Free Software Foundation; either
7
   version 2.1 of the License, or (at your option) any later version.
8
 
9
   The GNU C Library is distributed in the hope that it will be useful,
10
   but WITHOUT ANY WARRANTY; without even the implied warranty of
11
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12
   Lesser General Public License for more details.
13
 
14
   You should have received a copy of the GNU Lesser General Public
15
   License along with the GNU C Library; if not, write to the Free
16
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17
   02111-1307 USA.  */
18
 
19
#include <setjmp.h>
20
#include <stdint.h>
21
#include <unwind.h>
22
#include <sysdep.h>
23
 
24
/* Test if longjmp to JMPBUF would unwind the frame
25
   containing a local variable at ADDRESS.  */
26
#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)              \
27
  ((void *) (address) < (void *) demangle ((jmpbuf)[0].__sp))
28
 
29
#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
30
  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
31
 
32
static inline uintptr_t __attribute__ ((unused))
33
_jmpbuf_sp (__jmp_buf regs)
34
{
35
  uintptr_t sp = regs[0].__sp;
36
#ifdef PTR_DEMANGLE
37
  PTR_DEMANGLE (sp);
38
#endif
39
  return sp;
40
}
41
 
42
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
43
  ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
44
 
45
/* We use the normal longjmp for unwinding.  */
46
#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.