/* Interface between GDB and target environments, including files and processes
- Copyright (C) 1990-2021 Free Software Foundation, Inc.
+ Copyright (C) 1990-2022 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
#include "btrace.h"
#include "record.h"
#include "command.h"
-#include "disasm.h"
+#include "disasm-flags.h"
#include "tracepoint.h"
#include "gdbsupport/break-common.h" /* For enum target_hw_bp_type. */
virtual bool can_create_inferior ();
virtual void create_inferior (const char *, const std::string &,
char **, int);
- virtual void post_startup_inferior (ptid_t)
- TARGET_DEFAULT_IGNORE ();
virtual int insert_fork_catchpoint (int)
TARGET_DEFAULT_RETURN (1);
virtual int remove_fork_catchpoint (int)
virtual bool can_use_agent ()
TARGET_DEFAULT_RETURN (false);
- /* Enable branch tracing for PTID using CONF configuration.
+ /* Enable branch tracing for TP using CONF configuration.
Return a branch trace target information struct for reading and for
disabling branch trace. */
- virtual struct btrace_target_info *enable_btrace (ptid_t ptid,
+ virtual struct btrace_target_info *enable_btrace (thread_info *tp,
const struct btrace_config *conf)
TARGET_DEFAULT_NORETURN (tcomplain ());
extern void target_post_attach (int pid);
+/* Display a message indicating we're about to attach to a given
+ process. */
+
+extern void target_announce_attach (int from_tty, int pid);
+
/* Display a message indicating we're about to detach from the current
inferior process. */
extern void target_disconnect (const char *, int);
-/* Resume execution (or prepare for execution) of a target thread,
- process or all processes. STEP says whether to hardware
- single-step or to run free; SIGGNAL is the signal to be given to
- the target, or GDB_SIGNAL_0 for no signal. The caller may not pass
- GDB_SIGNAL_DEFAULT. A specific PTID means `step/resume only this
- process id'. A wildcard PTID (all threads, or all threads of
- process) means `step/resume INFERIOR_PTID, and let other threads
- (for which the wildcard PTID matches) resume with their
- 'thread->suspend.stop_signal' signal (usually GDB_SIGNAL_0) if it
- is in "pass" state, or with no signal if in "no pass" state.
+/* Resume execution (or prepare for execution) of the current thread
+ (INFERIOR_PTID), while optionally letting other threads of the
+ current process or all processes run free.
+
+ STEP says whether to hardware single-step the current thread or to
+ let it run free; SIGNAL is the signal to be given to the current
+ thread, or GDB_SIGNAL_0 for no signal. The caller may not pass
+ GDB_SIGNAL_DEFAULT.
+
+ SCOPE_PTID indicates the resumption scope. I.e., which threads
+ (other than the current) run free. If resuming a single thread,
+ SCOPE_PTID is the same thread as the current thread. A wildcard
+ SCOPE_PTID (all threads, or all threads of process) lets threads
+ other than the current (for which the wildcard SCOPE_PTID matches)
+ resume with their 'thread->suspend.stop_signal' signal (usually
+ GDB_SIGNAL_0) if it is in "pass" state, or with no signal if in "no
+ pass" state. Note neither STEP nor SIGNAL apply to any thread
+ other than the current.
In order to efficiently handle batches of resumption requests,
targets may implement this method such that it records the
resumption request, but defers the actual resumption to the
target_commit_resume method implementation. See
target_commit_resume below. */
-extern void target_resume (ptid_t ptid, int step, enum gdb_signal signal);
+extern void target_resume (ptid_t scope_ptid,
+ int step, enum gdb_signal signal);
/* Ensure that all resumed threads are committed to the target.
extern bool target_can_run_breakpoint_commands ();
-/* Read a string from target memory at address MEMADDR. The string
- will be at most LEN bytes long (note that excess bytes may be read
- in some cases -- but these will not be returned). Returns nullptr
- on error. */
-
-extern gdb::unique_xmalloc_ptr<char> target_read_string
- (CORE_ADDR memaddr, int len, int *bytes_read = nullptr);
-
/* For target_read_memory see target/target.h. */
extern int target_read_raw_memory (CORE_ADDR memaddr, gdb_byte *myaddr,
extern void target_load (const char *arg, int from_tty);
-/* Some targets (such as ttrace-based HPUX) don't allow us to request
- notification of inferior events such as fork and vork immediately
- after the inferior is created. (This because of how gdb gets an
- inferior created via invoking a shell to do it. In such a scenario,
- if the shell init file has commands in it, the shell will fork and
- exec for each of those commands, and we will see each such fork
- event. Very bad.)
-
- Such targets will supply an appropriate definition for this function. */
-
-extern void target_post_startup_inferior (ptid_t ptid);
-
/* On some targets, we can catch an inferior fork or vfork event when
it occurs. These functions insert/remove an already-created
catchpoint for such events. They return 0 for success, 1 if the
/* Can the target support asynchronous execution? */
extern bool target_can_async_p ();
+/* An overload of the above that can be called when the target is not yet
+ pushed, this calls TARGET::can_async_p directly. */
+extern bool target_can_async_p (struct target_ops *target);
+
/* Is the target in asynchronous execution mode? */
extern bool target_is_async_p ();
/* See to_enable_btrace in struct target_ops. */
extern struct btrace_target_info *
- target_enable_btrace (ptid_t ptid, const struct btrace_config *);
+ target_enable_btrace (thread_info *tp, const struct btrace_config *);
/* See to_disable_btrace in struct target_ops. */
extern void target_disable_btrace (struct btrace_target_info *btinfo);
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