shared code. */
struct process_stratum_target
{
- /* Read/Write extra signal info. */
- int (*qxfer_siginfo) (const char *annex, unsigned char *readbuf,
- unsigned const char *writebuf,
- CORE_ADDR offset, int len);
-
- int (*supports_non_stop) (void);
-
- /* Enables async target events. Returns the previous enable
- state. */
- int (*async) (int enable);
-
- /* Switch to non-stop (1) or all-stop (0) mode. Return 0 on
- success, -1 otherwise. */
- int (*start_non_stop) (int);
-
- /* Returns true if the target supports multi-process debugging. */
- int (*supports_multi_process) (void);
-
- /* Returns true if fork events are supported. */
- int (*supports_fork_events) (void);
-
- /* Returns true if vfork events are supported. */
- int (*supports_vfork_events) (void);
-
- /* Returns true if exec events are supported. */
- int (*supports_exec_events) (void);
-
- /* Allows target to re-initialize connection-specific settings. */
- void (*handle_new_gdb_connection) (void);
-
- /* If not NULL, target-specific routine to process monitor command.
- Returns 1 if handled, or 0 to perform default processing. */
- int (*handle_monitor_command) (char *);
-
- /* Returns the core given a thread, or -1 if not known. */
- int (*core_of_thread) (ptid_t);
-
- /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */
- int (*read_loadmap) (const char *annex, CORE_ADDR offset,
- unsigned char *myaddr, unsigned int len);
-
- /* Target specific qSupported support. FEATURES is an array of
- features with COUNT elements. */
- void (*process_qsupported) (char **features, int count);
-
- /* Return 1 if the target supports tracepoints, 0 (or leave the
- callback NULL) otherwise. */
- int (*supports_tracepoints) (void);
-
- /* Read PC from REGCACHE. */
- CORE_ADDR (*read_pc) (struct regcache *regcache);
-
- /* Write PC to REGCACHE. */
- void (*write_pc) (struct regcache *regcache, CORE_ADDR pc);
-
- /* Return true if THREAD is known to be stopped now. */
- int (*thread_stopped) (struct thread_info *thread);
-
- /* Read Thread Information Block address. */
- int (*get_tib_address) (ptid_t ptid, CORE_ADDR *address);
-
- /* Pause all threads. If FREEZE, arrange for any resume attempt to
- be ignored until an unpause_all call unfreezes threads again.
- There can be nested calls to pause_all, so a freeze counter
- should be maintained. */
- void (*pause_all) (int freeze);
-
- /* Unpause all threads. Threads that hadn't been resumed by the
- client should be left stopped. Basically a pause/unpause call
- pair should not end up resuming threads that were stopped before
- the pause call. */
- void (*unpause_all) (int unfreeze);
-
- /* Stabilize all threads. That is, force them out of jump pads. */
- void (*stabilize_threads) (void);
-
- /* Install a fast tracepoint jump pad. TPOINT is the address of the
- tracepoint internal object as used by the IPA agent. TPADDR is
- the address of tracepoint. COLLECTOR is address of the function
- the jump pad redirects to. LOCKADDR is the address of the jump
- pad lock object. ORIG_SIZE is the size in bytes of the
- instruction at TPADDR. JUMP_ENTRY points to the address of the
- jump pad entry, and on return holds the address past the end of
- the created jump pad. If a trampoline is created by the function,
- then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
- the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
- buffer containing a copy of the instruction at TPADDR.
- ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
- return the address range where the instruction at TPADDR was relocated
- to. If an error occurs, the ERR may be used to pass on an error
- message. */
- int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr,
- CORE_ADDR collector,
- CORE_ADDR lockaddr,
- ULONGEST orig_size,
- CORE_ADDR *jump_entry,
- CORE_ADDR *trampoline,
- ULONGEST *trampoline_size,
- unsigned char *jjump_pad_insn,
- ULONGEST *jjump_pad_insn_size,
- CORE_ADDR *adjusted_insn_addr,
- CORE_ADDR *adjusted_insn_addr_end,
- char *err);
-
- /* Return the bytecode operations vector for the current inferior.
- Returns NULL if bytecode compilation is not supported. */
- struct emit_ops *(*emit_ops) (void);
-
/* Returns true if the target supports disabling randomization. */
int (*supports_disable_randomization) (void);
- /* Return the minimum length of an instruction that can be safely overwritten
- for use as a fast tracepoint. */
- int (*get_min_fast_tracepoint_insn_len) (void);
-
/* Read solib info on SVR4 platforms. */
int (*qxfer_libraries_svr4) (const char *annex, unsigned char *readbuf,
unsigned const char *writebuf,
virtual int qxfer_osdata (const char *annex, unsigned char *readbuf,
unsigned const char *writebuf,
CORE_ADDR offset, int len);
+
+ /* Return true if the qxfer_siginfo target op is supported. */
+ virtual bool supports_qxfer_siginfo ();
+
+ /* Read/Write extra signal info. */
+ virtual int qxfer_siginfo (const char *annex, unsigned char *readbuf,
+ unsigned const char *writebuf,
+ CORE_ADDR offset, int len);
+
+ /* Return true if non-stop mode is supported. */
+ virtual bool supports_non_stop ();
+
+ /* Enables async target events. Returns the previous enable
+ state. */
+ virtual bool async (bool enable);
+
+ /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false)
+ mode. Return 0 on success, -1 otherwise. */
+ virtual int start_non_stop (bool enable);
+
+ /* Returns true if the target supports multi-process debugging. */
+ virtual bool supports_multi_process ();
+
+ /* Returns true if fork events are supported. */
+ virtual bool supports_fork_events ();
+
+ /* Returns true if vfork events are supported. */
+ virtual bool supports_vfork_events ();
+
+ /* Returns true if exec events are supported. */
+ virtual bool supports_exec_events ();
+
+ /* Allows target to re-initialize connection-specific settings. */
+ virtual void handle_new_gdb_connection ();
+
+ /* The target-specific routine to process monitor command.
+ Returns 1 if handled, or 0 to perform default processing. */
+ virtual int handle_monitor_command (char *mon);
+
+ /* Returns the core given a thread, or -1 if not known. */
+ virtual int core_of_thread (ptid_t ptid);
+
+ /* Returns true if the read_loadmap target op is supported. */
+ virtual bool supports_read_loadmap ();
+
+ /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */
+ virtual int read_loadmap (const char *annex, CORE_ADDR offset,
+ unsigned char *myaddr, unsigned int len);
+
+ /* Target specific qSupported support. FEATURES is an array of
+ features with COUNT elements. */
+ virtual void process_qsupported (char **features, int count);
+
+ /* Return true if the target supports tracepoints, false otherwise. */
+ virtual bool supports_tracepoints ();
+
+ /* Read PC from REGCACHE. */
+ virtual CORE_ADDR read_pc (regcache *regcache);
+
+ /* Write PC to REGCACHE. */
+ virtual void write_pc (regcache *regcache, CORE_ADDR pc);
+
+ /* Return true if the thread_stopped op is supported. */
+ virtual bool supports_thread_stopped ();
+
+ /* Return true if THREAD is known to be stopped now. */
+ virtual bool thread_stopped (thread_info *thread);
+
+ /* Return true if the get_tib_address op is supported. */
+ virtual bool supports_get_tib_address ();
+
+ /* Read Thread Information Block address. */
+ virtual int get_tib_address (ptid_t ptid, CORE_ADDR *address);
+
+ /* Pause all threads. If FREEZE, arrange for any resume attempt to
+ be ignored until an unpause_all call unfreezes threads again.
+ There can be nested calls to pause_all, so a freeze counter
+ should be maintained. */
+ virtual void pause_all (bool freeze);
+
+ /* Unpause all threads. Threads that hadn't been resumed by the
+ client should be left stopped. Basically a pause/unpause call
+ pair should not end up resuming threads that were stopped before
+ the pause call. */
+ virtual void unpause_all (bool unfreeze);
+
+ /* Stabilize all threads. That is, force them out of jump pads. */
+ virtual void stabilize_threads ();
+
+ /* Return true if the install_fast_tracepoint_jump_pad op is
+ supported. */
+ virtual bool supports_fast_tracepoints ();
+
+ /* Install a fast tracepoint jump pad. TPOINT is the address of the
+ tracepoint internal object as used by the IPA agent. TPADDR is
+ the address of tracepoint. COLLECTOR is address of the function
+ the jump pad redirects to. LOCKADDR is the address of the jump
+ pad lock object. ORIG_SIZE is the size in bytes of the
+ instruction at TPADDR. JUMP_ENTRY points to the address of the
+ jump pad entry, and on return holds the address past the end of
+ the created jump pad. If a trampoline is created by the function,
+ then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
+ the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
+ buffer containing a copy of the instruction at TPADDR.
+ ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
+ return the address range where the instruction at TPADDR was relocated
+ to. If an error occurs, the ERR may be used to pass on an error
+ message. */
+ virtual int install_fast_tracepoint_jump_pad
+ (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector,
+ CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry,
+ CORE_ADDR *trampoline, ULONGEST *trampoline_size,
+ unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size,
+ CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end,
+ char *err);
+
+ /* Return the minimum length of an instruction that can be safely
+ overwritten for use as a fast tracepoint. */
+ virtual int get_min_fast_tracepoint_insn_len ();
+
+ /* Return the bytecode operations vector for the current inferior.
+ Returns nullptr if bytecode compilation is not supported. */
+ virtual struct emit_ops *emit_ops ();
};
extern process_stratum_target *the_target;
int kill_inferior (process_info *proc);
#define target_supports_fork_events() \
- (the_target->supports_fork_events ? \
- (*the_target->supports_fork_events) () : 0)
+ the_target->pt->supports_fork_events ()
#define target_supports_vfork_events() \
- (the_target->supports_vfork_events ? \
- (*the_target->supports_vfork_events) () : 0)
+ the_target->pt->supports_vfork_events ()
#define target_supports_exec_events() \
- (the_target->supports_exec_events ? \
- (*the_target->supports_exec_events) () : 0)
+ the_target->pt->supports_exec_events ()
#define target_handle_new_gdb_connection() \
- do \
- { \
- if (the_target->handle_new_gdb_connection != NULL) \
- (*the_target->handle_new_gdb_connection) (); \
- } while (0)
+ the_target->pt->handle_new_gdb_connection ()
#define detach_inferior(proc) \
the_target->pt->detach (proc)
the_target->pt->join (pid)
#define target_supports_non_stop() \
- (the_target->supports_non_stop ? (*the_target->supports_non_stop ) () : 0)
+ the_target->pt->supports_non_stop ()
#define target_async(enable) \
- (the_target->async ? (*the_target->async) (enable) : 0)
+ the_target->pt->async (enable)
#define target_process_qsupported(features, count) \
- do \
- { \
- if (the_target->process_qsupported) \
- the_target->process_qsupported (features, count); \
- } while (0)
+ the_target->pt->process_qsupported (features, count)
#define target_supports_catch_syscall() \
(the_target->supports_catch_syscall ? \
? (*the_target->get_ipa_tdesc_idx) () : 0)
#define target_supports_tracepoints() \
- (the_target->supports_tracepoints \
- ? (*the_target->supports_tracepoints) () : 0)
+ the_target->pt->supports_tracepoints ()
#define target_supports_fast_tracepoints() \
- (the_target->install_fast_tracepoint_jump_pad != NULL)
+ the_target->pt->supports_fast_tracepoints ()
#define target_get_min_fast_tracepoint_insn_len() \
- (the_target->get_min_fast_tracepoint_insn_len \
- ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0)
-
-#define thread_stopped(thread) \
- (*the_target->thread_stopped) (thread)
-
-#define pause_all(freeze) \
- do \
- { \
- if (the_target->pause_all) \
- (*the_target->pause_all) (freeze); \
- } while (0)
-
-#define unpause_all(unfreeze) \
- do \
- { \
- if (the_target->unpause_all) \
- (*the_target->unpause_all) (unfreeze); \
- } while (0)
-
-#define stabilize_threads() \
- do \
- { \
- if (the_target->stabilize_threads) \
- (*the_target->stabilize_threads) (); \
- } while (0)
-
-#define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
- collector, lockaddr, \
- orig_size, \
- jump_entry, \
- trampoline, trampoline_size, \
- jjump_pad_insn, \
- jjump_pad_insn_size, \
- adjusted_insn_addr, \
- adjusted_insn_addr_end, \
- err) \
- (*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \
- collector,lockaddr, \
- orig_size, jump_entry, \
- trampoline, \
- trampoline_size, \
- jjump_pad_insn, \
- jjump_pad_insn_size, \
- adjusted_insn_addr, \
- adjusted_insn_addr_end, \
- err)
+ the_target->pt->get_min_fast_tracepoint_insn_len ()
+
+#define target_thread_stopped(thread) \
+ the_target->pt->thread_stopped (thread)
+
+#define target_pause_all(freeze) \
+ the_target->pt->pause_all (freeze)
+
+#define target_unpause_all(unfreeze) \
+ the_target->pt->unpause_all (unfreeze)
+
+#define target_stabilize_threads() \
+ the_target->pt->stabilize_threads ()
+
+#define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
+ collector, lockaddr, \
+ orig_size, \
+ jump_entry, \
+ trampoline, trampoline_size, \
+ jjump_pad_insn, \
+ jjump_pad_insn_size, \
+ adjusted_insn_addr, \
+ adjusted_insn_addr_end, \
+ err) \
+ the_target->pt->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \
+ collector,lockaddr, \
+ orig_size, jump_entry, \
+ trampoline, \
+ trampoline_size, \
+ jjump_pad_insn, \
+ jjump_pad_insn_size, \
+ adjusted_insn_addr, \
+ adjusted_insn_addr_end, \
+ err)
#define target_emit_ops() \
- (the_target->emit_ops ? (*the_target->emit_ops) () : NULL)
+ the_target->pt->emit_ops ()
#define target_supports_disable_randomization() \
(the_target->supports_disable_randomization ? \
(the_target->supports_software_single_step ? \
(*the_target->supports_software_single_step) () : 0)
-/* Start non-stop mode, returns 0 on success, -1 on failure. */
-
-int start_non_stop (int nonstop);
-
ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
int connected_wait);
void done_accessing_memory (void);
#define target_core_of_thread(ptid) \
- (the_target->core_of_thread ? (*the_target->core_of_thread) (ptid) \
- : -1)
+ the_target->pt->core_of_thread (ptid)
#define target_thread_name(ptid) \
(the_target->thread_name ? (*the_target->thread_name) (ptid) \