OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [gdb-5.3/] [gdb/] [nbsd-tdep.c] - Blame information for rev 1774

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1181 sfurman
/* Common target-dependent code for NetBSD systems.
2
   Copyright 2002 Free Software Foundation, Inc.
3
   Contributed by Wasabi Systems, Inc.
4
 
5
   This file is part of GDB.
6
 
7
   This program is free software; you can redistribute it and/or modify
8
   it under the terms of the GNU General Public License as published by
9
   the Free Software Foundation; either version 2 of the License, or
10
   (at your option) any later version.
11
 
12
   This program is distributed in the hope that it will be useful,
13
   but WITHOUT ANY WARRANTY; without even the implied warranty of
14
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
   GNU General Public License for more details.
16
 
17
   You should have received a copy of the GNU General Public License
18
   along with this program; if not, write to the Free Software
19
   Foundation, Inc., 59 Temple Place - Suite 330,
20
   Boston, MA 02111-1307, USA.  */
21
 
22
#include "defs.h"
23
#include "gdb_string.h"
24
#include "solib-svr4.h"
25
 
26
/* Fetch (and possibly build) an appropriate link_map_offsets
27
   structure for NetBSD targets using the struct offsets defined
28
   in <link.h> (but without actual reference to that file).
29
 
30
   This makes it possible to access NetBSD shared libraries from a
31
   GDB that was not built on the same platform (for cross debugging).
32
 
33
   We provide versions for ILP32 and LP64 NetBSD targets here.  */
34
 
35
struct link_map_offsets *
36
nbsd_ilp32_solib_svr4_fetch_link_map_offsets (void)
37
{
38
  static struct link_map_offsets lmo;
39
  static struct link_map_offsets *lmp = NULL;
40
 
41
  if (lmp == NULL)
42
    {
43
      lmp = &lmo;
44
 
45
      lmo.r_debug_size = 16;
46
 
47
      lmo.r_map_offset = 4;
48
      lmo.r_map_size   = 4;
49
 
50
      lmo.link_map_size = 20;
51
 
52
      lmo.l_addr_offset = 0;
53
      lmo.l_addr_size   = 4;
54
 
55
      lmo.l_name_offset = 4;
56
      lmo.l_name_size   = 4;
57
 
58
      lmo.l_next_offset = 12;
59
      lmo.l_next_size   = 4;
60
 
61
      lmo.l_prev_offset = 16;
62
      lmo.l_prev_size   = 4;
63
    }
64
 
65
  return lmp;
66
}
67
 
68
struct link_map_offsets *
69
nbsd_lp64_solib_svr4_fetch_link_map_offsets (void)
70
{
71
  static struct link_map_offsets lmo;
72
  static struct link_map_offsets *lmp = NULL;
73
 
74
  if (lmp == NULL)
75
    {
76
      lmp = &lmo;
77
 
78
      lmo.r_debug_size = 32;
79
 
80
      lmo.r_map_offset = 8;
81
      lmo.r_map_size   = 8;
82
 
83
      lmo.link_map_size = 40;
84
 
85
      lmo.l_addr_offset = 0;
86
      lmo.l_addr_size   = 8;
87
 
88
      lmo.l_name_offset = 8;
89
      lmo.l_name_size   = 8;
90
 
91
      lmo.l_next_offset = 24;
92
      lmo.l_next_size   = 8;
93
 
94
      lmo.l_prev_offset = 32;
95
      lmo.l_prev_size   = 8;
96
    }
97
 
98
  return lmp;
99
}
100
 
101
int
102
nbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
103
{
104
  /* Check for libc-provided signal trampoline.  All such trampolines
105
     have function names which begin with "__sigtramp".  */
106
 
107
  return (func_name != NULL
108
          && strncmp (func_name, "__sigtramp", 10) == 0);
109
}

powered by: WebSVN 2.1.0

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