/* Interface between GDB and target environments, including files and processes
- Copyright (C) 1990-2020 Free Software Foundation, Inc.
+ Copyright (C) 1990-2024 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
struct bp_location;
struct bp_target_info;
struct regcache;
-struct target_section_table;
struct trace_state_variable;
struct trace_status;
struct uploaded_tsv;
struct dcache_struct;
struct inferior;
-#include "infrun.h" /* For enum exec_direction_kind. */
-#include "breakpoint.h" /* For enum bptype. */
+/* Define const gdb_byte using one identifier, to make it easy for
+ make-target-delegates.py to parse. */
+typedef const gdb_byte const_gdb_byte;
+
+#include "infrun.h"
+#include "breakpoint.h"
#include "gdbsupport/scoped_restore.h"
#include "gdbsupport/refcounted-object.h"
+#include "target-section.h"
/* This include file defines the interface between the main part
of the debugger, and the part which is target-specific, or
#include "btrace.h"
#include "record.h"
#include "command.h"
-#include "disasm.h"
+#include "disasm-flags.h"
#include "tracepoint.h"
+#include "gdbsupport/fileio.h"
+#include "gdbsupport/x86-xstate.h"
-#include "gdbsupport/break-common.h" /* For enum target_hw_bp_type. */
+#include "gdbsupport/break-common.h"
enum strata
{
size is known in advance. Don't try to read TARGET_OBJECT_MEMORY
through this function. */
-extern gdb::optional<gdb::byte_vector> target_read_alloc
+extern std::optional<gdb::byte_vector> target_read_alloc
(struct target_ops *ops, enum target_object object, const char *annex);
/* Read OBJECT/ANNEX using OPS. The result is a NUL-terminated character vector
the returned vector is guaranteed to have at least one element. A warning is
issued if the result contains any embedded NUL bytes. */
-extern gdb::optional<gdb::char_vector> target_read_stralloc
+extern std::optional<gdb::char_vector> target_read_stralloc
(struct target_ops *ops, enum target_object object, const char *annex);
/* See target_ops->to_xfer_partial. */
virtual void attach (const char *, int);
virtual void post_attach (int)
TARGET_DEFAULT_IGNORE ();
+
+ /* Detaches from the inferior. Note that on targets that support
+ async execution (i.e., targets where it is possible to detach
+ from programs with threads running), the target is responsible
+ for removing breakpoints from the program before the actual
+ detach, otherwise the program dies when it hits one. */
virtual void detach (inferior *, int)
TARGET_DEFAULT_IGNORE ();
+
virtual void disconnect (const char *, int)
TARGET_DEFAULT_NORETURN (tcomplain ());
virtual void resume (ptid_t,
int TARGET_DEBUG_PRINTER (target_debug_print_step),
enum gdb_signal)
TARGET_DEFAULT_NORETURN (noprocess ());
- virtual void commit_resume ()
+
+ /* Ensure that all resumed threads are committed to the target.
+
+ See the description of
+ process_stratum_target::commit_resumed_state for more
+ details. */
+ virtual void commit_resumed ()
TARGET_DEFAULT_IGNORE ();
+
/* See target_wait's description. Note that implementations of
this method must not assume that inferior_ptid on entry is
pointing at the thread or inferior that ends up reporting an
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)
TARGET_DEFAULT_RETURN (1);
virtual int remove_vfork_catchpoint (int)
TARGET_DEFAULT_RETURN (1);
- virtual bool follow_fork (bool, bool)
+ virtual void follow_fork (inferior *, ptid_t, target_waitkind, bool, bool)
TARGET_DEFAULT_FUNC (default_follow_fork);
+
+ /* Add CHILD_PTID to the thread list, after handling a
+ TARGET_WAITKIND_THREAD_CLONE event for the clone parent. The
+ parent is inferior_ptid. */
+ virtual void follow_clone (ptid_t child_ptid)
+ TARGET_DEFAULT_FUNC (default_follow_clone);
+
virtual int insert_exec_catchpoint (int)
TARGET_DEFAULT_RETURN (1);
virtual int remove_exec_catchpoint (int)
TARGET_DEFAULT_RETURN (1);
- virtual void follow_exec (struct inferior *, const char *)
+ virtual void follow_exec (inferior *, ptid_t, const char *)
TARGET_DEFAULT_IGNORE ();
virtual int set_syscall_catchpoint (int, bool, int,
gdb::array_view<const int>)
inferior *inf)
TARGET_DEFAULT_RETURN (NULL);
/* See target_thread_info_to_thread_handle. */
- virtual gdb::byte_vector thread_info_to_thread_handle (struct thread_info *)
- TARGET_DEFAULT_RETURN (gdb::byte_vector ());
+ virtual gdb::array_view<const_gdb_byte> thread_info_to_thread_handle (struct thread_info *)
+ TARGET_DEFAULT_RETURN (gdb::array_view<const gdb_byte> ());
virtual void stop (ptid_t)
TARGET_DEFAULT_IGNORE ();
virtual void interrupt ()
TARGET_DEFAULT_FUNC (default_target_pass_ctrlc);
virtual void rcmd (const char *command, struct ui_file *output)
TARGET_DEFAULT_FUNC (default_rcmd);
- virtual char *pid_to_exec_file (int pid)
+ virtual const char *pid_to_exec_file (int pid)
TARGET_DEFAULT_RETURN (NULL);
virtual void log_command (const char *)
TARGET_DEFAULT_IGNORE ();
- virtual struct target_section_table *get_section_table ()
- TARGET_DEFAULT_RETURN (NULL);
+ virtual const std::vector<target_section> *get_section_table ()
+ TARGET_DEFAULT_RETURN (default_get_section_table ());
/* Provide default values for all "must have" methods. */
virtual bool has_all_memory () { return false; }
TARGET_DEFAULT_RETURN (false);
virtual bool is_async_p ()
TARGET_DEFAULT_RETURN (false);
- virtual void async (int)
+ virtual void async (bool)
TARGET_DEFAULT_NORETURN (tcomplain ());
virtual int async_wait_fd ()
TARGET_DEFAULT_NORETURN (noprocess ());
+ /* Return true if the target has pending events to report to the
+ core. If true, then GDB avoids resuming the target until all
+ pending events are consumed, so that multiple resumptions can
+ be coalesced as an optimization. Most targets can't tell
+ whether they have pending events without calling target_wait,
+ so we default to returning false. The only downside is that a
+ potential optimization is missed. */
+ virtual bool has_pending_events ()
+ TARGET_DEFAULT_RETURN (false);
virtual void thread_events (int)
TARGET_DEFAULT_IGNORE ();
+ /* Returns true if the target supports setting thread options
+ OPTIONS, false otherwise. */
+ virtual bool supports_set_thread_options (gdb_thread_options options)
+ TARGET_DEFAULT_RETURN (false);
/* This method must be implemented in some situations. See the
comment on 'can_run'. */
virtual bool supports_non_stop ()
virtual int find_memory_regions (find_memory_region_ftype func, void *data)
TARGET_DEFAULT_FUNC (dummy_find_memory_regions);
/* make_corefile_notes support method for gcore */
- virtual char *make_corefile_notes (bfd *, int *)
+ virtual gdb::unique_xmalloc_ptr<char> make_corefile_notes (bfd *, int *)
TARGET_DEFAULT_FUNC (dummy_make_corefile_notes);
/* get_bookmark support method for bookmarks */
virtual gdb_byte *get_bookmark (const char *, int)
virtual void flash_done ()
TARGET_DEFAULT_NORETURN (tcomplain ());
- /* Describe the architecture-specific features of this target. If
- OPS doesn't have a description, this should delegate to the
- "beneath" target. Returns the description found, or NULL if no
- description was available. */
+ /* Describe the architecture-specific features of the current
+ inferior.
+
+ Returns the description found, or nullptr if no description was
+ available.
+
+ If some target features differ between threads, the description
+ returned by read_description (and the resulting gdbarch) won't
+ accurately describe all threads. In this case, the
+ thread_architecture method can be used to obtain gdbarches that
+ accurately describe each thread. */
virtual const struct target_desc *read_description ()
TARGET_DEFAULT_RETURN (NULL);
based on LWP and THREAD. These values are extracted from the
task Private_Data section of the Ada Task Control Block, and
their interpretation depends on the target. */
- virtual ptid_t get_ada_task_ptid (long lwp, long thread)
+ virtual ptid_t get_ada_task_ptid (long lwp, ULONGEST thread)
TARGET_DEFAULT_FUNC (default_get_ada_task_ptid);
/* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
Return 0 if *READPTR is already at the end of the buffer.
Return -1 if there is insufficient buffer for a whole entry.
Return 1 if an entry was read into *TYPEP and *VALP. */
- virtual int auxv_parse (gdb_byte **readptr,
- gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
+ virtual int auxv_parse (const gdb_byte **readptr,
+ const gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
TARGET_DEFAULT_FUNC (default_auxv_parse);
/* Search SEARCH_SPACE_LEN bytes beginning at START_ADDR for the
the target is currently stopped at. The architecture information is
used to perform decr_pc_after_break adjustment, and also to determine
the frame architecture of the innermost frame. ptrace operations need to
- operate according to target_gdbarch (). */
+ operate according to the current inferior's gdbarch. */
virtual struct gdbarch *thread_architecture (ptid_t)
TARGET_DEFAULT_RETURN (NULL);
- /* Determine current address space of thread PTID. */
- virtual struct address_space *thread_address_space (ptid_t)
- TARGET_DEFAULT_RETURN (NULL);
-
/* Target file operations. */
- /* Return nonzero if the filesystem seen by the current inferior
- is the local filesystem, zero otherwise. */
+ /* Return true if the filesystem seen by the current inferior
+ is the local filesystem, false otherwise. */
virtual bool filesystem_is_local ()
TARGET_DEFAULT_RETURN (true);
*TARGET_ERRNO). */
virtual int fileio_open (struct inferior *inf, const char *filename,
int flags, int mode, int warn_if_slow,
- int *target_errno);
+ fileio_error *target_errno);
/* Write up to LEN bytes from WRITE_BUF to FD on the target.
Return the number of bytes written, or -1 if an error occurs
(and set *TARGET_ERRNO). */
virtual int fileio_pwrite (int fd, const gdb_byte *write_buf, int len,
- ULONGEST offset, int *target_errno);
+ ULONGEST offset, fileio_error *target_errno);
/* Read up to LEN bytes FD on the target into READ_BUF.
Return the number of bytes read, or -1 if an error occurs
(and set *TARGET_ERRNO). */
virtual int fileio_pread (int fd, gdb_byte *read_buf, int len,
- ULONGEST offset, int *target_errno);
+ ULONGEST offset, fileio_error *target_errno);
/* Get information about the file opened as FD and put it in
SB. Return 0 on success, or -1 if an error occurs (and set
*TARGET_ERRNO). */
- virtual int fileio_fstat (int fd, struct stat *sb, int *target_errno);
+ virtual int fileio_fstat (int fd, struct stat *sb, fileio_error *target_errno);
/* Close FD on the target. Return 0, or -1 if an error occurs
(and set *TARGET_ERRNO). */
- virtual int fileio_close (int fd, int *target_errno);
+ virtual int fileio_close (int fd, fileio_error *target_errno);
/* Unlink FILENAME on the target, in the filesystem as seen by
INF. If INF is NULL, use the filesystem seen by the debugger
-1 if an error occurs (and set *TARGET_ERRNO). */
virtual int fileio_unlink (struct inferior *inf,
const char *filename,
- int *target_errno);
+ fileio_error *target_errno);
/* Read value of symbolic link FILENAME on the target, in the
filesystem as seen by INF. If INF is NULL, use the filesystem
seen by the debugger (GDB or, for remote targets, the remote
stub). Return a string, or an empty optional if an error
occurs (and set *TARGET_ERRNO). */
- virtual gdb::optional<std::string> fileio_readlink (struct inferior *inf,
+ virtual std::optional<std::string> fileio_readlink (struct inferior *inf,
const char *filename,
- int *target_errno);
+ fileio_error *target_errno);
/* Implement the "info proc" command. Returns true if the target
actually implemented the command, false otherwise. */
virtual int get_trace_status (struct trace_status *ts)
TARGET_DEFAULT_RETURN (-1);
- virtual void get_tracepoint_status (struct breakpoint *tp,
+ virtual void get_tracepoint_status (tracepoint *tp,
struct uploaded_tp *utp)
TARGET_DEFAULT_NORETURN (tcomplain ());
virtual void set_trace_buffer_size (LONGEST val)
TARGET_DEFAULT_IGNORE ();
- /* Add/change textual notes about the trace run, returning 1 if
- successful, 0 otherwise. */
+ /* Add/change textual notes about the trace run, returning true if
+ successful, false otherwise. */
virtual bool set_trace_notes (const char *user, const char *notes,
const char *stopnotes)
TARGET_DEFAULT_RETURN (false);
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 ());
/* Cleanup after generating a core file. */
virtual void done_generating_core ()
TARGET_DEFAULT_IGNORE ();
+
+ /* Returns true if the target supports memory tagging, false otherwise. */
+ virtual bool supports_memory_tagging ()
+ TARGET_DEFAULT_RETURN (false);
+
+ /* Return the allocated memory tags of type TYPE associated with
+ [ADDRESS, ADDRESS + LEN) in TAGS.
+
+ LEN is the number of bytes in the memory range. TAGS is a vector of
+ bytes containing the tags found in the above memory range.
+
+ It is up to the architecture/target to interpret the bytes in the TAGS
+ vector and read the tags appropriately.
+
+ Returns true if fetching the tags succeeded and false otherwise. */
+ virtual bool fetch_memtags (CORE_ADDR address, size_t len,
+ gdb::byte_vector &tags, int type)
+ TARGET_DEFAULT_NORETURN (tcomplain ());
+
+ /* Write the allocation tags of type TYPE contained in TAGS to the memory
+ range [ADDRESS, ADDRESS + LEN).
+
+ LEN is the number of bytes in the memory range. TAGS is a vector of
+ bytes containing the tags to be stored to the memory range.
+
+ It is up to the architecture/target to interpret the bytes in the TAGS
+ vector and store them appropriately.
+
+ Returns true if storing the tags succeeded and false otherwise. */
+ virtual bool store_memtags (CORE_ADDR address, size_t len,
+ const gdb::byte_vector &tags, int type)
+ TARGET_DEFAULT_NORETURN (tcomplain ());
+
+ /* Return the x86 XSAVE extended state area layout. */
+ virtual x86_xsave_layout fetch_x86_xsave_layout ()
+ TARGET_DEFAULT_RETURN (x86_xsave_layout ());
};
/* Deleter for std::unique_ptr. See comments in
/* A unique pointer for target_ops. */
typedef std::unique_ptr<target_ops, target_ops_deleter> target_ops_up;
-/* Decref a target and close if, if there are no references left. */
-extern void decref_target (target_ops *t);
-
/* A policy class to interface gdb::ref_ptr with target_ops. */
struct target_ops_ref_policy
t->incref ();
}
- static void decref (target_ops *t)
- {
- decref_target (t);
- }
+ /* Decrement the reference count on T, and, if the reference count
+ reaches zero, close the target. */
+ static void decref (target_ops *t);
};
/* A gdb::ref_ptr pointer to a target_ops. */
bool unpush (target_ops *t);
/* Returns true if T is pushed on the target stack. */
- bool is_pushed (target_ops *t) const
+ bool is_pushed (const target_ops *t) const
{ return at (t->stratum ()) == t; }
/* Return the target at STRATUM. */
- target_ops *at (strata stratum) const { return m_stack[stratum]; }
+ target_ops *at (strata stratum) const { return m_stack[stratum].get (); }
/* Return the target at the top of the stack. */
target_ops *top () const { return at (m_top); }
/* The stack, represented as an array, with one slot per stratum.
If no target is pushed at some stratum, the corresponding slot is
null. */
- target_ops *m_stack[(int) debug_stratum + 1] {};
+ std::array<target_ops_ref, (int) debug_stratum + 1> m_stack;
};
-/* The ops structure for our "current" target process. This should
- never be NULL. If there is no target, it points to the dummy_target. */
-
-extern target_ops *current_top_target ();
-
/* Return the dummy target. */
extern target_ops *get_dummy_target ();
/* Define easy words for doing these operations on our current target. */
-#define target_shortname (current_top_target ()->shortname ())
-#define target_longname (current_top_target ()->longname ())
-
-/* Does whatever cleanup is required for a target that we are no
- longer going to be calling. This routine is automatically always
- called after popping the target off the target stack - the target's
- own methods are no longer available through the target vector.
- Closing file descriptors and freeing all memory allocated memory are
- typical things it should do. */
-
-void target_close (struct target_ops *targ);
+extern const char *target_shortname ();
/* Find the correct target to use for "attach". If a target on the
current stack supports attaching, then it is returned. Otherwise,
or their target_attach implementation takes care of the waiting.
These targets must set to_attach_no_wait. */
-#define target_attach_no_wait() \
- (current_top_target ()->attach_no_wait ())
+extern bool target_attach_no_wait ();
/* The target_attach operation places a process under debugger control,
and stops the process.
This operation provides a target-specific hook that allows the
necessary bookkeeping to be performed after an attach completes. */
-#define target_post_attach(pid) \
- (current_top_target ()->post_attach) (pid)
+
+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);
-
-/* Commit a series of resumption requests previously prepared with
- target_resume calls.
-
- GDB always calls target_commit_resume after calling target_resume
- one or more times. A target may thus use this method in
- coordination with the target_resume method to batch target-side
- resumption requests. In that case, the target doesn't actually
- resume in its target_resume implementation. Instead, it prepares
- the resumption in target_resume, and defers the actual resumption
- to target_commit_resume. E.g., the remote target uses this to
- coalesce multiple resumption requests in a single vCont packet. */
-extern void target_commit_resume ();
-
-/* Setup to defer target_commit_resume calls, and reactivate
- target_commit_resume on destruction, if it was previously
- active. */
-extern scoped_restore_tmpl<int> make_scoped_defer_target_commit_resume ();
+extern void target_resume (ptid_t scope_ptid,
+ int step, enum gdb_signal signal);
+
+/* Ensure that all resumed threads are committed to the target.
+
+ See the description of process_stratum_target::commit_resumed_state
+ for more details. */
+extern void target_commit_resumed ();
/* For target_read_memory see target/target.h. */
struct target_waitstatus *status,
target_wait_flags options);
+/* Return true if the target has pending events to report to the core.
+ See target_ops::has_pending_events(). */
+
+extern bool target_has_pending_events ();
+
/* Fetch at least register REGNO, or all regs if regno == -1. No result. */
extern void target_fetch_registers (struct regcache *regcache, int regno);
that REGISTERS contains all the registers from the program being
debugged. */
-#define target_prepare_to_store(regcache) \
- (current_top_target ()->prepare_to_store) (regcache)
-
-/* Determine current address space of thread PTID. */
-
-struct address_space *target_thread_address_space (ptid_t);
+extern void target_prepare_to_store (regcache *regcache);
/* Implement the "info proc" command. This returns one if the request
was handled, and zero otherwise. It can also throw an exception if
/* Returns true if this target can enable and disable tracepoints
while a trace experiment is running. */
-#define target_supports_enable_disable_tracepoint() \
- (current_top_target ()->supports_enable_disable_tracepoint) ()
+extern bool target_supports_enable_disable_tracepoint ();
-#define target_supports_string_tracing() \
- (current_top_target ()->supports_string_tracing) ()
+extern bool target_supports_string_tracing ();
/* Returns true if this target can handle breakpoint conditions
on its end. */
-#define target_supports_evaluation_of_breakpoint_conditions() \
- (current_top_target ()->supports_evaluation_of_breakpoint_conditions) ()
+extern bool target_supports_evaluation_of_breakpoint_conditions ();
/* Does this target support dumpcore API? */
-#define target_supports_dumpcore() \
- (current_top_target ()->supports_dumpcore) ()
+extern bool target_supports_dumpcore ();
/* Generate the core file with target API. */
-#define target_dumpcore(x) \
- (current_top_target ()->dumpcore (x))
+extern void target_dumpcore (const char *filename);
/* Returns true if this target can handle breakpoint commands
on its end. */
-#define target_can_run_breakpoint_commands() \
- (current_top_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);
+extern bool target_can_run_breakpoint_commands ();
/* For target_read_memory see target/target.h. */
/* Print a line about the current target. */
-#define target_files_info() \
- (current_top_target ()->files_info) ()
+extern void target_files_info ();
/* Insert a breakpoint at address BP_TGT->placed_address in
the target machine. Returns 0 for success, and returns non-zero or
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. */
-
-#define target_post_startup_inferior(ptid) \
- (current_top_target ()->post_startup_inferior) (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
catchpoint type is not supported and -1 for failure. */
-#define target_insert_fork_catchpoint(pid) \
- (current_top_target ()->insert_fork_catchpoint) (pid)
+extern int target_insert_fork_catchpoint (int pid);
+
+extern int target_remove_fork_catchpoint (int pid);
+
+extern int target_insert_vfork_catchpoint (int pid);
-#define target_remove_fork_catchpoint(pid) \
- (current_top_target ()->remove_fork_catchpoint) (pid)
+extern int target_remove_vfork_catchpoint (int pid);
-#define target_insert_vfork_catchpoint(pid) \
- (current_top_target ()->insert_vfork_catchpoint) (pid)
+/* Call the follow_fork method on the current target stack.
-#define target_remove_vfork_catchpoint(pid) \
- (current_top_target ()->remove_vfork_catchpoint) (pid)
+ This function is called when the inferior forks or vforks, to perform any
+ bookkeeping and fiddling necessary to continue debugging either the parent,
+ the child or both. */
-/* If the inferior forks or vforks, this function will be called at
- the next resume in order to perform any bookkeeping and fiddling
- necessary to continue debugging either the parent or child, as
- requested, and releasing the other. Information about the fork
- or vfork event is available via get_last_target_status ().
- This function returns true if the inferior should not be resumed
- (i.e. there is another event pending). */
+void target_follow_fork (inferior *inf, ptid_t child_ptid,
+ target_waitkind fork_kind, bool follow_child,
+ bool detach_fork);
-bool target_follow_fork (bool follow_child, bool detach_fork);
+/* Handle the target-specific bookkeeping required when the inferior makes an
+ exec call.
-/* Handle the target-specific bookkeeping required when the inferior
- makes an exec call. INF is the exec'd inferior. */
+ The current inferior at the time of the call is the inferior that did the
+ exec. FOLLOW_INF is the inferior in which execution continues post-exec.
+ If "follow-exec-mode" is "same", FOLLOW_INF is the same as the current
+ inferior, meaning that execution continues with the same inferior. If
+ "follow-exec-mode" is "new", FOLLOW_INF is a different inferior, meaning
+ that execution continues in a new inferior.
-void target_follow_exec (struct inferior *inf, const char *execd_pathname);
+ On exit, the target must leave FOLLOW_INF as the current inferior. */
+
+void target_follow_exec (inferior *follow_inf, ptid_t ptid,
+ const char *execd_pathname);
/* On some targets, we can catch an inferior exec event when it
occurs. These functions insert/remove an already-created
catchpoint for such events. They return 0 for success, 1 if the
catchpoint type is not supported and -1 for failure. */
-#define target_insert_exec_catchpoint(pid) \
- (current_top_target ()->insert_exec_catchpoint) (pid)
+extern int target_insert_exec_catchpoint (int pid);
-#define target_remove_exec_catchpoint(pid) \
- (current_top_target ()->remove_exec_catchpoint) (pid)
+extern int target_remove_exec_catchpoint (int pid);
/* Syscall catch.
Return 0 for success, 1 if syscall catchpoints are not supported or -1
for failure. */
-#define target_set_syscall_catchpoint(pid, needed, any_count, syscall_counts) \
- (current_top_target ()->set_syscall_catchpoint) (pid, needed, any_count, \
- syscall_counts)
+extern int target_set_syscall_catchpoint
+ (int pid, bool needed, int any_count,
+ gdb::array_view<const int> syscall_counts);
/* The debugger has completed a blocking wait() call. There is now
some process event that must be processed. This function should
(shell,interpreter) for execution. The result of the query is
placed in OUTBUF. */
-#define target_rcmd(command, outbuf) \
- (current_top_target ()->rcmd) (command, outbuf)
-
+extern void target_rcmd (const char *command, struct ui_file *outbuf);
/* Does the target include memory? (Dummy targets don't.) */
whether or not the target is capable of execution, but there are
also targets which can be current while not executing. In that
case this will become true after to_create_inferior or
- to_attach. */
-
-extern bool target_has_execution_1 (inferior *inf);
+ to_attach. INF is the inferior to use; nullptr means to use the
+ current inferior. */
-/* Like target_has_execution_1, but always passes
- current_inferior(). */
-
-extern int target_has_execution_current (void);
-
-#define target_has_execution target_has_execution_current ()
+extern bool target_has_execution (inferior *inf = nullptr);
/* Can the target support the debugger control of thread execution?
Can it lock the thread scheduler? */
-#define target_can_lock_scheduler \
- (current_top_target ()->get_thread_control_capabilities () & tc_schedlock)
+extern bool target_can_lock_scheduler ();
/* Controls whether async mode is permitted. */
extern bool target_async_permitted;
/* Can the target support asynchronous execution? */
-#define target_can_async_p() (current_top_target ()->can_async_p ())
+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? */
-#define target_is_async_p() (current_top_target ()->is_async_p ())
+extern bool target_is_async_p ();
/* Enables/disabled async target events. */
-extern void target_async (int enable);
+extern void target_async (bool enable);
/* Enables/disables thread create and exit events. */
extern void target_thread_events (int enable);
+/* Returns true if the target supports setting thread options
+ OPTIONS. */
+extern bool target_supports_set_thread_options (gdb_thread_options options);
+
/* Whether support for controlling the target backends always in
non-stop mode is enabled. */
extern enum auto_boolean target_non_stop_enabled;
/* Is the target in non-stop mode? Some targets control the inferior
in non-stop mode even with "set non-stop off". Always true if "set
non-stop" is on. */
-extern int target_is_non_stop_p (void);
+extern bool target_is_non_stop_p ();
/* Return true if at least one inferior has a non-stop target. */
extern bool exists_non_stop_target ();
-#define target_execution_direction() \
- (current_top_target ()->execution_direction ())
+extern exec_direction_kind target_execution_direction ();
/* Converts a process id to a string. Usually, the string just contains
`process xyz', but on some systems it may contain
e.g. "sleeping", "runnable", "running on LWP 3". Null return value
is okay. */
-#define target_extra_thread_info(TP) \
- (current_top_target ()->extra_thread_info (TP))
+extern const char *target_extra_thread_info (thread_info *tp);
/* Return the thread's name, or NULL if the target is unable to determine it.
- The returned value must not be freed by the caller. */
+ The returned value must not be freed by the caller.
+
+ You likely don't want to call this function, but use the thread_name
+ function instead, which prefers the user-given thread name, if set. */
extern const char *target_thread_name (struct thread_info *);
/* Given a thread, return the thread handle, a target-specific sequence of
bytes which serves as a thread identifier within the program being
debugged. */
-extern gdb::byte_vector target_thread_info_to_thread_handle
+extern gdb::array_view<const gdb_byte> target_thread_info_to_thread_handle
(struct thread_info *);
/* Attempts to find the pathname of the executable file
the client if the string will not be immediately used, or if
it must persist. */
-#define target_pid_to_exec_file(pid) \
- (current_top_target ()->pid_to_exec_file) (pid)
+extern const char *target_pid_to_exec_file (int pid);
/* See the to_thread_architecture description in struct target_ops. */
-#define target_thread_architecture(ptid) \
- (current_top_target ()->thread_architecture (ptid))
+extern gdbarch *target_thread_architecture (ptid_t ptid);
/*
* Iterator function for target memory regions.
* as a function macro so that it can be tested for nullity.
*/
-#define target_find_memory_regions(FUNC, DATA) \
- (current_top_target ()->find_memory_regions) (FUNC, DATA)
+extern int target_find_memory_regions (find_memory_region_ftype func,
+ void *data);
/*
* Compose corefile .note section.
*/
-#define target_make_corefile_notes(BFD, SIZE_P) \
- (current_top_target ()->make_corefile_notes) (BFD, SIZE_P)
+extern gdb::unique_xmalloc_ptr<char> target_make_corefile_notes (bfd *bfd,
+ int *size_p);
/* Bookmark interfaces. */
-#define target_get_bookmark(ARGS, FROM_TTY) \
- (current_top_target ()->get_bookmark) (ARGS, FROM_TTY)
+extern gdb_byte *target_get_bookmark (const char *args, int from_tty);
-#define target_goto_bookmark(ARG, FROM_TTY) \
- (current_top_target ()->goto_bookmark) (ARG, FROM_TTY)
+extern void target_goto_bookmark (const gdb_byte *arg, int from_tty);
/* Hardware watchpoint interfaces. */
gdbarch_have_nonsteppable_watchpoint, GDB assumes continuable
watchpoints. */
-/* Returns non-zero if we were stopped by a hardware watchpoint (memory read or
+/* Returns true if we were stopped by a hardware watchpoint (memory read or
write). Only the INFERIOR_PTID task is being queried. */
-#define target_stopped_by_watchpoint() \
- ((current_top_target ()->stopped_by_watchpoint) ())
+extern bool target_stopped_by_watchpoint ();
-/* Returns non-zero if the target stopped because it executed a
+/* Returns true if the target stopped because it executed a
software breakpoint instruction. */
-#define target_stopped_by_sw_breakpoint() \
- ((current_top_target ()->stopped_by_sw_breakpoint) ())
+extern bool target_stopped_by_sw_breakpoint ();
-#define target_supports_stopped_by_sw_breakpoint() \
- ((current_top_target ()->supports_stopped_by_sw_breakpoint) ())
+extern bool target_supports_stopped_by_sw_breakpoint ();
-#define target_stopped_by_hw_breakpoint() \
- ((current_top_target ()->stopped_by_hw_breakpoint) ())
+extern bool target_stopped_by_hw_breakpoint ();
-#define target_supports_stopped_by_hw_breakpoint() \
- ((current_top_target ()->supports_stopped_by_hw_breakpoint) ())
+extern bool target_supports_stopped_by_hw_breakpoint ();
-/* Non-zero if we have steppable watchpoints */
+/* True if we have steppable watchpoints */
-#define target_have_steppable_watchpoint \
- (current_top_target ()->have_steppable_watchpoint ())
+extern bool target_have_steppable_watchpoint ();
/* Provide defaults for hardware watchpoint functions. */
-/* If the *_hw_beakpoint functions have not been defined
+/* If the *_hw_breakpoint functions have not been defined
elsewhere use the definitions in the target vector. */
/* Returns positive if we can set a hardware watchpoint of type TYPE.
one. OTHERTYPE is the number of watchpoints of other types than
this one used so far. */
-#define target_can_use_hardware_watchpoint(TYPE,CNT,OTHERTYPE) \
- (current_top_target ()->can_use_hw_breakpoint) ( \
- TYPE, CNT, OTHERTYPE)
+extern int target_can_use_hardware_watchpoint (bptype type, int cnt,
+ int othertype);
/* Returns the number of debug registers needed to watch the given
memory region, or zero if not supported. */
-#define target_region_ok_for_hw_watchpoint(addr, len) \
- (current_top_target ()->region_ok_for_hw_watchpoint) (addr, len)
-
+extern int target_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len);
-#define target_can_do_single_step() \
- (current_top_target ()->can_do_single_step) ()
+extern int target_can_do_single_step ();
/* Set/clear a hardware watchpoint starting at ADDR, for LEN bytes.
TYPE is 0 for write, 1 for read, and 2 for read/write accesses.
Returns 0 for success, 1 if the watchpoint type is not supported,
-1 for failure. */
-#define target_insert_watchpoint(addr, len, type, cond) \
- (current_top_target ()->insert_watchpoint) (addr, len, type, cond)
+extern int target_insert_watchpoint (CORE_ADDR addr, int len,
+ target_hw_bp_type type, expression *cond);
-#define target_remove_watchpoint(addr, len, type, cond) \
- (current_top_target ()->remove_watchpoint) (addr, len, type, cond)
+extern int target_remove_watchpoint (CORE_ADDR addr, int len,
+ target_hw_bp_type type, expression *cond);
/* Insert a new masked watchpoint at ADDR using the mask MASK.
RW may be hw_read for a read watchpoint, hw_write for a write watchpoint
throws an error (with a detailed failure reason error code and
message) otherwise. */
-#define target_insert_hw_breakpoint(gdbarch, bp_tgt) \
- (current_top_target ()->insert_hw_breakpoint) (gdbarch, bp_tgt)
+extern int target_insert_hw_breakpoint (gdbarch *gdbarch,
+ bp_target_info *bp_tgt);
-#define target_remove_hw_breakpoint(gdbarch, bp_tgt) \
- (current_top_target ()->remove_hw_breakpoint) (gdbarch, bp_tgt)
+extern int target_remove_hw_breakpoint (gdbarch *gdbarch,
+ bp_target_info *bp_tgt);
/* Return number of debug registers needed for a ranged breakpoint,
or -1 if ranged breakpoints are not supported. */
expression is false, but may report some false positives as well.
For this reason, GDB will still evaluate the condition expression when
the watchpoint triggers. */
-#define target_can_accel_watchpoint_condition(addr, len, type, cond) \
- (current_top_target ()->can_accel_watchpoint_condition) (addr, len, type, cond)
+
+extern bool target_can_accel_watchpoint_condition (CORE_ADDR addr, int len,
+ int type, expression *cond);
/* Return number of debug registers needed for a masked watchpoint,
-1 if masked watchpoints are not supported or -2 if the given address
extern int target_masked_watch_num_registers (CORE_ADDR addr, CORE_ADDR mask);
/* Target can execute in reverse? */
-#define target_can_execute_reverse \
- current_top_target ()->can_execute_reverse ()
-extern const struct target_desc *target_read_description (struct target_ops *);
+extern bool target_can_execute_reverse ();
-#define target_get_ada_task_ptid(lwp, tid) \
- (current_top_target ()->get_ada_task_ptid) (lwp,tid)
+extern const struct target_desc *target_read_description (struct target_ops *);
-/* Utility implementation of searching memory. */
-extern int simple_search_memory (struct target_ops* ops,
- CORE_ADDR start_addr,
- ULONGEST search_space_len,
- const gdb_byte *pattern,
- ULONGEST pattern_len,
- CORE_ADDR *found_addrp);
+extern ptid_t target_get_ada_task_ptid (long lwp, ULONGEST tid);
/* Main entry point for searching memory. */
extern int target_search_memory (CORE_ADDR start_addr,
- ULONGEST search_space_len,
- const gdb_byte *pattern,
- ULONGEST pattern_len,
- CORE_ADDR *found_addrp);
+ ULONGEST search_space_len,
+ const gdb_byte *pattern,
+ ULONGEST pattern_len,
+ CORE_ADDR *found_addrp);
/* Target file operations. */
-/* Return nonzero if the filesystem seen by the current inferior
+/* Return true if the filesystem seen by the current inferior
is the local filesystem, zero otherwise. */
-#define target_filesystem_is_local() \
- current_top_target ()->filesystem_is_local ()
+
+extern bool target_filesystem_is_local ();
/* Open FILENAME on the target, in the filesystem as seen by INF,
using FLAGS and MODE. If INF is NULL, use the filesystem seen by
extern int target_fileio_open (struct inferior *inf,
const char *filename, int flags,
int mode, bool warn_if_slow,
- int *target_errno);
+ fileio_error *target_errno);
/* Write up to LEN bytes from WRITE_BUF to FD on the target.
Return the number of bytes written, or -1 if an error occurs
(and set *TARGET_ERRNO). */
extern int target_fileio_pwrite (int fd, const gdb_byte *write_buf, int len,
- ULONGEST offset, int *target_errno);
+ ULONGEST offset, fileio_error *target_errno);
/* Read up to LEN bytes FD on the target into READ_BUF.
Return the number of bytes read, or -1 if an error occurs
(and set *TARGET_ERRNO). */
extern int target_fileio_pread (int fd, gdb_byte *read_buf, int len,
- ULONGEST offset, int *target_errno);
+ ULONGEST offset, fileio_error *target_errno);
/* Get information about the file opened as FD on the target
and put it in SB. Return 0 on success, or -1 if an error
occurs (and set *TARGET_ERRNO). */
extern int target_fileio_fstat (int fd, struct stat *sb,
- int *target_errno);
+ fileio_error *target_errno);
/* Close FD on the target. Return 0, or -1 if an error occurs
(and set *TARGET_ERRNO). */
-extern int target_fileio_close (int fd, int *target_errno);
+extern int target_fileio_close (int fd, fileio_error *target_errno);
/* Unlink FILENAME on the target, in the filesystem as seen by INF.
If INF is NULL, use the filesystem seen by the debugger (GDB or,
occurs (and set *TARGET_ERRNO). */
extern int target_fileio_unlink (struct inferior *inf,
const char *filename,
- int *target_errno);
+ fileio_error *target_errno);
/* Read value of symbolic link FILENAME on the target, in the
filesystem as seen by INF. If INF is NULL, use the filesystem seen
by the debugger (GDB or, for remote targets, the remote stub).
Return a null-terminated string allocated via xmalloc, or NULL if
an error occurs (and set *TARGET_ERRNO). */
-extern gdb::optional<std::string> target_fileio_readlink
- (struct inferior *inf, const char *filename, int *target_errno);
+extern std::optional<std::string> target_fileio_readlink
+ (struct inferior *inf, const char *filename, fileio_error *target_errno);
/* Read target file FILENAME, in the filesystem as seen by INF. If
INF is NULL, use the filesystem seen by the debugger (GDB or, for
extern gdb::unique_xmalloc_ptr<char> target_fileio_read_stralloc
(struct inferior *inf, const char *filename);
+/* Invalidate the target associated with open handles that were open
+ on target TARG, since we're about to close (and maybe destroy) the
+ target. The handles remain open from the client's perspective, but
+ trying to do anything with them other than closing them will fail
+ with EIO. */
+extern void fileio_handles_invalidate_target (target_ops *targ);
/* Tracepoint-related operations. */
-#define target_trace_init() \
- (current_top_target ()->trace_init) ()
+extern void target_trace_init ();
-#define target_download_tracepoint(t) \
- (current_top_target ()->download_tracepoint) (t)
+extern void target_download_tracepoint (bp_location *location);
-#define target_can_download_tracepoint() \
- (current_top_target ()->can_download_tracepoint) ()
+extern bool target_can_download_tracepoint ();
-#define target_download_trace_state_variable(tsv) \
- (current_top_target ()->download_trace_state_variable) (tsv)
+extern void target_download_trace_state_variable (const trace_state_variable &tsv);
-#define target_enable_tracepoint(loc) \
- (current_top_target ()->enable_tracepoint) (loc)
+extern void target_enable_tracepoint (bp_location *loc);
-#define target_disable_tracepoint(loc) \
- (current_top_target ()->disable_tracepoint) (loc)
+extern void target_disable_tracepoint (bp_location *loc);
-#define target_trace_start() \
- (current_top_target ()->trace_start) ()
+extern void target_trace_start ();
-#define target_trace_set_readonly_regions() \
- (current_top_target ()->trace_set_readonly_regions) ()
+extern void target_trace_set_readonly_regions ();
-#define target_get_trace_status(ts) \
- (current_top_target ()->get_trace_status) (ts)
+extern int target_get_trace_status (trace_status *ts);
-#define target_get_tracepoint_status(tp,utp) \
- (current_top_target ()->get_tracepoint_status) (tp, utp)
+extern void target_get_tracepoint_status (tracepoint *tp, uploaded_tp *utp);
-#define target_trace_stop() \
- (current_top_target ()->trace_stop) ()
+extern void target_trace_stop ();
-#define target_trace_find(type,num,addr1,addr2,tpp) \
- (current_top_target ()->trace_find) (\
- (type), (num), (addr1), (addr2), (tpp))
+extern int target_trace_find (trace_find_type type, int num, CORE_ADDR addr1,
+ CORE_ADDR addr2, int *tpp);
-#define target_get_trace_state_variable_value(tsv,val) \
- (current_top_target ()->get_trace_state_variable_value) ((tsv), (val))
+extern bool target_get_trace_state_variable_value (int tsv, LONGEST *val);
-#define target_save_trace_data(filename) \
- (current_top_target ()->save_trace_data) (filename)
+extern int target_save_trace_data (const char *filename);
-#define target_upload_tracepoints(utpp) \
- (current_top_target ()->upload_tracepoints) (utpp)
+extern int target_upload_tracepoints (uploaded_tp **utpp);
-#define target_upload_trace_state_variables(utsvp) \
- (current_top_target ()->upload_trace_state_variables) (utsvp)
+extern int target_upload_trace_state_variables (uploaded_tsv **utsvp);
-#define target_get_raw_trace_data(buf,offset,len) \
- (current_top_target ()->get_raw_trace_data) ((buf), (offset), (len))
+extern LONGEST target_get_raw_trace_data (gdb_byte *buf, ULONGEST offset,
+ LONGEST len);
-#define target_get_min_fast_tracepoint_insn_len() \
- (current_top_target ()->get_min_fast_tracepoint_insn_len) ()
+extern int target_get_min_fast_tracepoint_insn_len ();
-#define target_set_disconnected_tracing(val) \
- (current_top_target ()->set_disconnected_tracing) (val)
+extern void target_set_disconnected_tracing (int val);
-#define target_set_circular_trace_buffer(val) \
- (current_top_target ()->set_circular_trace_buffer) (val)
+extern void target_set_circular_trace_buffer (int val);
-#define target_set_trace_buffer_size(val) \
- (current_top_target ()->set_trace_buffer_size) (val)
+extern void target_set_trace_buffer_size (LONGEST val);
-#define target_set_trace_notes(user,notes,stopnotes) \
- (current_top_target ()->set_trace_notes) ((user), (notes), (stopnotes))
+extern bool target_set_trace_notes (const char *user, const char *notes,
+ const char *stopnotes);
-#define target_get_tib_address(ptid, addr) \
- (current_top_target ()->get_tib_address) ((ptid), (addr))
+extern bool target_get_tib_address (ptid_t ptid, CORE_ADDR *addr);
-#define target_set_permissions() \
- (current_top_target ()->set_permissions) ()
+extern void target_set_permissions ();
-#define target_static_tracepoint_marker_at(addr, marker) \
- (current_top_target ()->static_tracepoint_marker_at) (addr, marker)
+extern bool target_static_tracepoint_marker_at
+ (CORE_ADDR addr, static_tracepoint_marker *marker);
-#define target_static_tracepoint_markers_by_strid(marker_id) \
- (current_top_target ()->static_tracepoint_markers_by_strid) (marker_id)
+extern std::vector<static_tracepoint_marker>
+ target_static_tracepoint_markers_by_strid (const char *marker_id);
-#define target_traceframe_info() \
- (current_top_target ()->traceframe_info) ()
+extern traceframe_info_up target_traceframe_info ();
-#define target_use_agent(use) \
- (current_top_target ()->use_agent) (use)
+extern bool target_use_agent (bool use);
-#define target_can_use_agent() \
- (current_top_target ()->can_use_agent) ()
+extern bool target_can_use_agent ();
-#define target_augmented_libraries_svr4_read() \
- (current_top_target ()->augmented_libraries_svr4_read) ()
+extern bool target_augmented_libraries_svr4_read ();
-/* Command logging facility. */
+extern bool target_supports_memory_tagging ();
+
+extern bool target_fetch_memtags (CORE_ADDR address, size_t len,
+ gdb::byte_vector &tags, int type);
+
+extern bool target_store_memtags (CORE_ADDR address, size_t len,
+ const gdb::byte_vector &tags, int type);
+
+extern x86_xsave_layout target_fetch_x86_xsave_layout ();
-#define target_log_command(p) \
- (current_top_target ()->log_command) (p)
+/* Command logging facility. */
+extern void target_log_command (const char *p);
extern int target_core_of_thread (ptid_t ptid);
extern void add_deprecated_target_alias (const target_info &info,
const char *alias);
-extern void push_target (struct target_ops *);
+/* A unique_ptr helper to unpush a target. */
+
+struct target_unpusher
+{
+ void operator() (struct target_ops *ops) const;
+};
-/* An overload that deletes the target on failure. */
-extern void push_target (target_ops_up &&);
+/* A unique_ptr that unpushes a target on destruction. */
-extern int unpush_target (struct target_ops *);
+typedef std::unique_ptr<struct target_ops, target_unpusher> target_unpush_up;
extern void target_pre_inferior (int);
extern void target_preopen (int);
-/* Does whatever cleanup is required to get rid of all pushed targets. */
-extern void pop_all_targets (void);
-
-/* Like pop_all_targets, but pops only targets whose stratum is at or
- above STRATUM. */
-extern void pop_all_targets_at_and_above (enum strata stratum);
-
-/* Like pop_all_targets, but pops only targets whose stratum is
- strictly above ABOVE_STRATUM. */
-extern void pop_all_targets_above (enum strata above_stratum);
-
-extern bool target_is_pushed (target_ops *t);
-
extern CORE_ADDR target_translate_tls_address (struct objfile *objfile,
CORE_ADDR offset);
-/* Struct target_section maps address ranges to file sections. It is
- mostly used with BFD files, but can be used without (e.g. for handling
- raw disks, or files not in formats handled by BFD). */
-
-struct target_section
- {
- CORE_ADDR addr; /* Lowest address in section */
- CORE_ADDR endaddr; /* 1+highest address in section */
-
- struct bfd_section *the_bfd_section;
-
- /* The "owner" of the section.
- It can be any unique value. It is set by add_target_sections
- and used by remove_target_sections.
- For example, for executables it is a pointer to exec_bfd and
- for shlibs it is the so_list pointer. */
- void *owner;
- };
-
-/* Holds an array of target sections. Defined by [SECTIONS..SECTIONS_END[. */
-
-struct target_section_table
-{
- struct target_section *sections;
- struct target_section *sections_end;
-};
-
/* Return the "section" containing the specified address. */
-struct target_section *target_section_by_addr (struct target_ops *target,
- CORE_ADDR addr);
+const struct target_section *target_section_by_addr (struct target_ops *target,
+ CORE_ADDR addr);
/* Return the target section table this target (or the targets
beneath) currently manipulate. */
-extern struct target_section_table *target_get_section_table
+extern const std::vector<target_section> *target_get_section_table
(struct target_ops *target);
+/* Default implementation of get_section_table for dummy_target. */
+
+extern const std::vector<target_section> *default_get_section_table ();
+
/* From mem-break.c */
extern int memory_remove_breakpoint (struct target_ops *,
/* Read OS data object of type TYPE from the target, and return it in XML
format. The return value follows the same rules as target_read_stralloc. */
-extern gdb::optional<gdb::char_vector> target_get_osdata (const char *type);
+extern std::optional<gdb::char_vector> target_get_osdata (const char *type);
/* Stuff that should be shared among the various remote targets. */
-/* Debugging level. 0 is off, and non-zero values mean to print some debug
- information (higher values, more information). */
-extern int remote_debug;
-
-/* Speed in bits per second, or -1 which means don't mess with the speed. */
-extern int baud_rate;
-
-/* Parity for serial port */
-extern int serial_parity;
/* Timeout limit for response from target. */
extern int remote_timeout;
extern scoped_restore_tmpl<int>
make_scoped_restore_show_memory_breakpoints (int show);
+/* True if we should trust readonly sections from the
+ executable when reading memory. */
+extern bool trust_readonly;
+
extern bool may_write_registers;
extern bool may_write_memory;
extern bool may_insert_breakpoints;
/* 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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