1/* libunwind - a platform-independent unwind library
2
3   Copied from src/x86_64/, modified slightly (or made empty stubs) for
4   building frysk successfully on ppc64, by Wu Zhou <woodzltc@cn.ibm.com>
5
6This file is part of libunwind.
7
8Permission is hereby granted, free of charge, to any person obtaining
9a copy of this software and associated documentation files (the
10"Software"), to deal in the Software without restriction, including
11without limitation the rights to use, copy, modify, merge, publish,
12distribute, sublicense, and/or sell copies of the Software, and to
13permit persons to whom the Software is furnished to do so, subject to
14the following conditions:
15
16The above copyright notice and this permission notice shall be
17included in all copies or substantial portions of the Software.
18
19THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
26
27#include <libunwind_i.h>
28
29#ifdef UNW_TARGET_PPC64
30#include "../ppc64/init.h"
31#else
32#include "../ppc32/init.h"
33#endif
34
35#ifdef UNW_REMOTE_ONLY
36
37PROTECTED int
38unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
39{
40  /* XXX: empty stub.  */
41  return -UNW_EINVAL;
42}
43
44#else /* !UNW_REMOTE_ONLY */
45
46PROTECTED int
47unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
48{
49  struct cursor *c = (struct cursor *) cursor;
50
51  if (!tdep_init_done)
52    tdep_init ();
53
54  Debug (1, "(cursor=%p)\n", c);
55
56  c->dwarf.as = unw_local_addr_space;
57  c->dwarf.as_arg = uc;
58
59  #ifdef UNW_TARGET_PPC64
60    return common_init_ppc64 (c, 1);
61  #else
62    return common_init_ppc32 (c, 1);
63  #endif
64}
65
66#endif /* !UNW_REMOTE_ONLY */
67