gdb/nat/netbsd-nat.h

   1 /* Internal interfaces for the NetBSD code.
   2
   3    Copyright (C) 2006-2021 Free Software Foundation, 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 3 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, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef NAT_NETBSD_NAT_H
  21 #define NAT_NETBSD_NAT_H
  22
  23 #include "gdbsupport/function-view.h"
  24
  25 #include <unistd.h>
  26
  27 namespace netbsd_nat
  28 {
  29
  30 /* Return the executable file name of a process specified by PID.  Returns the
  31    string in a static buffer.  */
  32
  33 extern const char *pid_to_exec_file (pid_t pid);
  34
  35 /* Return true if PTID is still active in the inferior.  */
  36
  37 extern bool thread_alive (ptid_t ptid);
  38
  39 /* Return the name assigned to a thread by an application.  Returns
  40    the string in a static buffer.
  41
  42    This function assumes internally that the queried process is stopped.  */
  43
  44 extern const char *thread_name (ptid_t ptid);
  45
  46 /* A generic thread lister within a specific PID.  The CALLBACK parameter
  47    is a C++ function that is called for each detected thread.
  48
  49    This function assumes internally that the queried process is stopped.  */
  50
  51 extern void for_each_thread (pid_t pid,
  52                              gdb::function_view<void (ptid_t)> callback);
  53
  54 /* Enable additional event reporting in a new process specified by PID.
  55
  56    This function assumes internally that the queried process is stopped and
  57    traced.  */
  58
  59 extern void enable_proc_events (pid_t pid);
  60
  61 /* Implement reading and writing of inferior's siginfo_t specified by PID.
  62    Returns -1 on failure and the number of bytes on a successful transfer.
  63
  64    This function assumes internally that the queried process is stopped and
  65    traced.  */
  66
  67 extern int qxfer_siginfo (pid_t pid, const char *annex, unsigned char *readbuf,
  68                           unsigned const char *writebuf, CORE_ADDR offset,
  69                           int len);
  70
  71 /* Write gdb's LEN bytes from WRITEBUF and copy it to OFFSET in inferior
  72    process' address space. The inferior is specified by PID.
  73    Returns 0 on success or errno on failure and the number of bytes
  74    on a successful transfer in XFERED_LEN.
  75
  76    This function assumes internally that the queried process is stopped and
  77    traced.  */
  78
  79 extern int write_memory (pid_t pid, unsigned const char *writebuf,
  80                          CORE_ADDR offset, size_t len, size_t *xfered_len);
  81
  82 /* Read inferior process's LEN bytes from OFFSET and copy it to WRITEBUF in
  83    gdb's address space.
  84    Returns 0 on success or errno on failure and the number of bytes
  85    on a successful transfer in XFERED_LEN.
  86
  87    This function assumes internally that the queried process is stopped and
  88    traced.  */
  89
  90 extern int read_memory (pid_t pid, unsigned char *readbuf, CORE_ADDR offset,
  91                         size_t len, size_t *xfered_len);
  92 }
  93
  94 #endif