/* Base/prototype target for default child (native) targets. Copyright (C) 2004-2021 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifndef INF_CHILD_H #define INF_CHILD_H #include "target.h" #include "process-stratum-target.h" /* A prototype child target. The client can override it with local methods. */ class inf_child_target : public memory_breakpoint_target { public: inf_child_target () = default; ~inf_child_target () override = 0; const target_info &info () const override; void close () override; void disconnect (const char *, int) override; void fetch_registers (struct regcache *, int) override = 0; void store_registers (struct regcache *, int) override = 0; void prepare_to_store (struct regcache *) override; bool supports_terminal_ours () override; void terminal_init () override; void terminal_inferior () override; void terminal_save_inferior () override; void terminal_ours_for_output () override; void terminal_ours () override; void terminal_info (const char *, int) override; void interrupt () override; void pass_ctrlc () override; void post_startup_inferior (ptid_t) override; void follow_exec (inferior *follow_inf, ptid_t ptid, const char *execd_pathname) override; void mourn_inferior () override; bool can_run () override; bool can_create_inferior () override; void create_inferior (const char *, const std::string &, char **, int) override = 0; bool can_attach () override; void attach (const char *, int) override = 0; void post_attach (int) override; char *pid_to_exec_file (int pid) override; int fileio_open (struct inferior *inf, const char *filename, int flags, int mode, int warn_if_slow, int *target_errno) override; int fileio_pwrite (int fd, const gdb_byte *write_buf, int len, ULONGEST offset, int *target_errno) override; int fileio_pread (int fd, gdb_byte *read_buf, int len, ULONGEST offset, int *target_errno) override; int fileio_fstat (int fd, struct stat *sb, int *target_errno) override; int fileio_close (int fd, int *target_errno) override; int fileio_unlink (struct inferior *inf, const char *filename, int *target_errno) override; gdb::optional fileio_readlink (struct inferior *inf, const char *filename, int *target_errno) override; bool use_agent (bool use) override; bool can_use_agent () override; protected: /* Unpush the target if it wasn't explicitly open with "target native" and there are no live inferiors left. Note: if calling this as a result of a mourn or detach, the current inferior shall already have its PID cleared, so it isn't counted as live. That's usually done by calling either generic_mourn_inferior or detach_inferior. */ void maybe_unpush_target (); }; /* Convert the host wait(2) status to a target_waitstatus. */ extern target_waitstatus host_status_to_waitstatus (int hoststatus); /* Register TARGET as native target and set it up to respond to the "target native" command. */ extern void add_inf_child_target (inf_child_target *target); /* target_open_ftype callback for inf-child targets. Used by targets that want to register an alternative target_info object. Most targets use add_inf_child_target instead. */ extern void inf_child_open_target (const char *arg, int from_tty); #endif