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

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [inf-child.c] - Blame information for rev 227

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

Line No. Rev Author Line
1 227 jeremybenn
/* Default child (native) target interface, for GDB when running under
2
   Unix.
3
 
4
   Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
5
   1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008, 2009, 2010
6
   Free Software Foundation, Inc.
7
 
8
   This file is part of GDB.
9
 
10
   This program is free software; you can redistribute it and/or modify
11
   it under the terms of the GNU General Public License as published by
12
   the Free Software Foundation; either version 3 of the License, or
13
   (at your option) any later version.
14
 
15
   This program is distributed in the hope that it will be useful,
16
   but WITHOUT ANY WARRANTY; without even the implied warranty of
17
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
   GNU General Public License for more details.
19
 
20
   You should have received a copy of the GNU General Public License
21
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
22
 
23
#include "defs.h"
24
#include "regcache.h"
25
#include "memattr.h"
26
#include "symtab.h"
27
#include "target.h"
28
#include "inferior.h"
29
#include "gdb_string.h"
30
#include "inf-child.h"
31
 
32
/* Fetch register REGNUM from the inferior.  If REGNUM is -1, do this
33
   for all registers.  */
34
 
35
static void
36
inf_child_fetch_inferior_registers (struct target_ops *ops,
37
                                    struct regcache *regcache, int regnum)
38
{
39
  if (regnum == -1)
40
    {
41
      for (regnum = 0;
42
           regnum < gdbarch_num_regs (get_regcache_arch (regcache));
43
           regnum++)
44
        regcache_raw_supply (regcache, regnum, NULL);
45
    }
46
  else
47
    regcache_raw_supply (regcache, regnum, NULL);
48
}
49
 
50
/* Store register REGNUM back into the inferior.  If REGNUM is -1, do
51
   this for all registers (including the floating point registers).  */
52
 
53
static void
54
inf_child_store_inferior_registers (struct target_ops *ops,
55
                                    struct regcache *regcache, int regnum)
56
{
57
}
58
 
59
static void
60
inf_child_post_attach (int pid)
61
{
62
  /* This version of Unix doesn't require a meaningful "post attach"
63
     operation by a debugger.  */
64
}
65
 
66
/* Get ready to modify the registers array.  On machines which store
67
   individual registers, this doesn't need to do anything.  On
68
   machines which store all the registers in one fell swoop, this
69
   makes sure that registers contains all the registers from the
70
   program being debugged.  */
71
 
72
static void
73
inf_child_prepare_to_store (struct regcache *regcache)
74
{
75
}
76
 
77
static void
78
inf_child_open (char *arg, int from_tty)
79
{
80
  error (_("Use the \"run\" command to start a Unix child process."));
81
}
82
 
83
static void
84
inf_child_post_startup_inferior (ptid_t ptid)
85
{
86
  /* This version of Unix doesn't require a meaningful "post startup
87
     inferior" operation by a debugger.  */
88
}
89
 
90
static void
91
inf_child_acknowledge_created_inferior (int pid)
92
{
93
  /* This version of Unix doesn't require a meaningful "acknowledge
94
     created inferior" operation by a debugger.  */
95
}
96
 
97
static void
98
inf_child_insert_fork_catchpoint (int pid)
99
{
100
  /* This version of Unix doesn't support notification of fork
101
     events.  */
102
}
103
 
104
static int
105
inf_child_remove_fork_catchpoint (int pid)
106
{
107
  /* This version of Unix doesn't support notification of fork
108
     events.  */
109
  return 0;
110
}
111
 
112
static void
113
inf_child_insert_vfork_catchpoint (int pid)
114
{
115
  /* This version of Unix doesn't support notification of vfork
116
     events.  */
117
}
118
 
119
static int
120
inf_child_remove_vfork_catchpoint (int pid)
121
{
122
  /* This version of Unix doesn't support notification of vfork
123
     events.  */
124
  return 0;
125
}
126
 
127
static int
128
inf_child_follow_fork (struct target_ops *ops, int follow_child)
129
{
130
  /* This version of Unix doesn't support following fork or vfork
131
     events.  */
132
  return 0;
133
}
134
 
135
static void
136
inf_child_insert_exec_catchpoint (int pid)
137
{
138
  /* This version of Unix doesn't support notification of exec
139
     events.  */
140
}
141
 
142
static int
143
inf_child_remove_exec_catchpoint (int pid)
144
{
145
  /* This version of Unix doesn't support notification of exec
146
     events.  */
147
  return 0;
148
}
149
 
150
static int
151
inf_child_set_syscall_catchpoint (int pid, int needed, int any_count,
152
                                  int table_size, int *table)
153
{
154
  /* This version of Unix doesn't support notification of syscall
155
     events.  */
156
  return 0;
157
}
158
 
159
static int
160
inf_child_can_run (void)
161
{
162
  return 1;
163
}
164
 
165
static char *
166
inf_child_pid_to_exec_file (int pid)
167
{
168
  /* This version of Unix doesn't support translation of a process ID
169
     to the filename of the executable file.  */
170
  return NULL;
171
}
172
 
173
struct target_ops *
174
inf_child_target (void)
175
{
176
  struct target_ops *t = XZALLOC (struct target_ops);
177
  t->to_shortname = "child";
178
  t->to_longname = "Unix child process";
179
  t->to_doc = "Unix child process (started by the \"run\" command).";
180
  t->to_open = inf_child_open;
181
  t->to_post_attach = inf_child_post_attach;
182
  t->to_fetch_registers = inf_child_fetch_inferior_registers;
183
  t->to_store_registers = inf_child_store_inferior_registers;
184
  t->to_prepare_to_store = inf_child_prepare_to_store;
185
  t->to_insert_breakpoint = memory_insert_breakpoint;
186
  t->to_remove_breakpoint = memory_remove_breakpoint;
187
  t->to_terminal_init = terminal_init_inferior;
188
  t->to_terminal_inferior = terminal_inferior;
189
  t->to_terminal_ours_for_output = terminal_ours_for_output;
190
  t->to_terminal_save_ours = terminal_save_ours;
191
  t->to_terminal_ours = terminal_ours;
192
  t->to_terminal_info = child_terminal_info;
193
  t->to_post_startup_inferior = inf_child_post_startup_inferior;
194
  t->to_acknowledge_created_inferior = inf_child_acknowledge_created_inferior;
195
  t->to_insert_fork_catchpoint = inf_child_insert_fork_catchpoint;
196
  t->to_remove_fork_catchpoint = inf_child_remove_fork_catchpoint;
197
  t->to_insert_vfork_catchpoint = inf_child_insert_vfork_catchpoint;
198
  t->to_remove_vfork_catchpoint = inf_child_remove_vfork_catchpoint;
199
  t->to_follow_fork = inf_child_follow_fork;
200
  t->to_insert_exec_catchpoint = inf_child_insert_exec_catchpoint;
201
  t->to_remove_exec_catchpoint = inf_child_remove_exec_catchpoint;
202
  t->to_set_syscall_catchpoint = inf_child_set_syscall_catchpoint;
203
  t->to_can_run = inf_child_can_run;
204
  t->to_pid_to_exec_file = inf_child_pid_to_exec_file;
205
  t->to_stratum = process_stratum;
206
  t->to_has_all_memory = default_child_has_all_memory;
207
  t->to_has_memory = default_child_has_memory;
208
  t->to_has_stack = default_child_has_stack;
209
  t->to_has_registers = default_child_has_registers;
210
  t->to_has_execution = default_child_has_execution;
211
  t->to_magic = OPS_MAGIC;
212
  return t;
213
}

powered by: WebSVN 2.1.0

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