X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Finf-child.h;h=21162cb5b2cfc3c7c5fe56d7da0c2a2f802b4126;hb=54a01e885b23df89e7e1e1585e896e0b7c53cf1d;hp=818d7887f2b232c05efe54415dbbe664d50f0c85;hpb=7b6bb8daaceb9ecf3f42dea57ae82733d6a3b2f6;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/inf-child.h b/gdb/inf-child.h index 818d7887f2..21162cb5b2 100644 --- a/gdb/inf-child.h +++ b/gdb/inf-child.h @@ -1,7 +1,6 @@ -/* Low level Unix child interface, for GDB when running under Unix. +/* Base/prototype target for default child (native) targets. - Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011 - Free Software Foundation, Inc. + Copyright (C) 2004-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -21,9 +20,99 @@ #ifndef INF_CHILD_H #define INF_CHILD_H -/* Create a prototype child target. The client can override it with - local methods. */ +#include "target.h" +#include "process-stratum-target.h" -extern struct target_ops *inf_child_target (void); +/* 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 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 (); +}; + +/* Functions for helping to write a native target. */ + +/* This is for native targets which use a unix/POSIX-style waitstatus. */ +extern void store_waitstatus (struct target_waitstatus *, int); + +/* 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