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- /* Base/prototype target for default child (native) targets.
- Copyright (C) 2004-2022 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 <http://www.gnu.org/licenses/>. */
- #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<process_stratum_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 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<std::string> 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
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