1 /* Low level child interface to ptrace.
3 Copyright (C) 2004-2019 Free Software Foundation, Inc.
5 This file is part of GDB.
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 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include "inf-child.h"
25 /* An abstract prototype ptrace target. The client can override it
26 with local methods. */
28 struct inf_ptrace_target : public inf_child_target
30 ~inf_ptrace_target () override = 0;
32 void attach (const char *, int) override;
34 void detach (inferior *inf, int) override;
36 void resume (ptid_t, int, enum gdb_signal) override;
38 ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
40 void files_info () override;
42 void kill () override;
44 void create_inferior (const char *, const std::string &,
45 char **, int) override;
46 #ifdef PT_GET_PROCESS_STATE
47 int follow_fork (int, int) override;
49 int insert_fork_catchpoint (int) override;
51 int remove_fork_catchpoint (int) override;
53 void post_startup_inferior (ptid_t) override;
55 void post_attach (int) override;
58 void mourn_inferior () override;
60 bool thread_alive (ptid_t ptid) override;
62 std::string pid_to_str (ptid_t) override;
64 enum target_xfer_status xfer_partial (enum target_object object,
67 const gdb_byte *writebuf,
68 ULONGEST offset, ULONGEST len,
69 ULONGEST *xfered_len) override;
71 #if defined (PT_IO) && defined (PIOD_READ_AUXV)
72 int auxv_parse (gdb_byte **readptr,
73 gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp) override;
77 /* Cleanup the inferior after a successful ptrace detach. */
78 void detach_success (inferior *inf);
81 /* Return which PID to pass to ptrace in order to observe/control the
82 tracee identified by PTID. */
84 extern pid_t get_ptrace_pid (ptid_t);