target.h File Reference

#include <sys/types.h>
#include "target/target.h"
#include "target/resume.h"
#include "target/wait.h"
#include "target/waitstatus.h"
#include "mem-break.h"
#include "btrace-common.h"
#include <vector>

Go to the source code of this file.

Classes
struct	thread_resume
struct	target_ops

Macros
#define	create_inferior(program, program_args)   (*the_target->create_inferior) (program, program_args)
#define	target_post_create_inferior()
#define	myattach(pid)   (*the_target->attach) (pid)
#define	target_supports_fork_events()
#define	target_supports_vfork_events()
#define	target_supports_exec_events()
#define	target_handle_new_gdb_connection()
#define	detach_inferior(pid)   (*the_target->detach) (pid)
#define	mythread_alive(pid)   (*the_target->thread_alive) (pid)
#define	fetch_inferior_registers(regcache, regno)   (*the_target->fetch_registers) (regcache, regno)
#define	store_inferior_registers(regcache, regno)   (*the_target->store_registers) (regcache, regno)
#define	join_inferior(pid)   (*the_target->join) (pid)
#define	target_supports_non_stop()   (the_target->supports_non_stop ? (*the_target->supports_non_stop ) () : 0)
#define	target_async(enable)   (the_target->async ? (*the_target->async) (enable) : 0)
#define	target_process_qsupported(features, count)
#define	target_supports_catch_syscall()
#define	target_get_ipa_tdesc_idx()
#define	target_supports_tracepoints()
#define	target_supports_fast_tracepoints()   (the_target->install_fast_tracepoint_jump_pad != NULL)
#define	target_get_min_fast_tracepoint_insn_len()
#define	thread_stopped(thread)   (*the_target->thread_stopped) (thread)
#define	pause_all(freeze)
#define	unpause_all(unfreeze)
#define	stabilize_threads()
#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)
#define	target_emit_ops()   (the_target->emit_ops ? (*the_target->emit_ops) () : NULL)
#define	target_supports_disable_randomization()
#define	target_supports_agent()
#define	target_supports_btrace(format)
#define	target_enable_btrace(ptid, conf)   (*the_target->enable_btrace) (ptid, conf)
#define	target_disable_btrace(tinfo)   (*the_target->disable_btrace) (tinfo)
#define	target_read_btrace(tinfo, buffer, type)   (*the_target->read_btrace) (tinfo, buffer, type)
#define	target_read_btrace_conf(tinfo, buffer)   (*the_target->read_btrace_conf) (tinfo, buffer)
#define	target_supports_range_stepping()
#define	target_supports_stopped_by_sw_breakpoint()
#define	target_stopped_by_sw_breakpoint()
#define	target_supports_stopped_by_hw_breakpoint()
#define	target_supports_hardware_single_step()
#define	target_stopped_by_hw_breakpoint()
#define	target_breakpoint_kind_from_pc(pcptr)
#define	target_breakpoint_kind_from_current_state(pcptr)
#define	target_supports_software_single_step()
#define	target_core_of_thread(ptid)
#define	target_thread_name(ptid)
#define	target_thread_handle(ptid, handle, handle_len)

Functions
void	set_target_ops (struct target_ops *)
int	kill_inferior (int)
int	start_non_stop (int nonstop)
ptid_t	mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, int connected_wait)
int	prepare_to_access_memory (void)
void	done_accessing_memory (void)
int	read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
int	write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len)
int	set_desired_thread ()
const char *	target_pid_to_str (ptid_t)
int	target_can_do_hardware_single_step (void)
int	default_breakpoint_kind_from_pc (CORE_ADDR *pcptr)

Variables
struct target_ops *	the_target

Macro Definition Documentation

create_inferior

#define create_inferior	(		program,
			program_args
	)		(*the_target->create_inferior) (program, program_args)

Definition at line 489 of file target.h.

Referenced by captured_main(), handle_v_run(), and process_serial_event().

detach_inferior

#define detach_inferior

(

pid

)

(*the_target->detach) (pid)

Definition at line 523 of file target.h.

Referenced by detach_or_kill_for_exit(), and handle_detach().

fetch_inferior_registers

#define fetch_inferior_registers	(		regcache,
			regno
	)		(*the_target->fetch_registers) (regcache, regno)

Definition at line 529 of file target.h.

Referenced by get_thread_regcache(), ppc_arch_setup(), and s390_arch_setup().

install_fast_tracepoint_jump_pad

#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
	)

Value:

(*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)

Definition at line 594 of file target.h.

Referenced by install_fast_tracepoint().

join_inferior

#define join_inferior

(

pid

)

(*the_target->join) (pid)

Definition at line 535 of file target.h.

Referenced by handle_detach().

myattach

#define myattach

(

pid

)

(*the_target->attach) (pid)

Definition at line 499 of file target.h.

Referenced by attach_inferior().

mythread_alive

#define mythread_alive

(

pid

)

(*the_target->thread_alive) (pid)

Definition at line 526 of file target.h.

Referenced by prepare_to_access_memory(), and process_serial_event().

pause_all

#define pause_all

(

freeze

)

Value:

do                      \
    {                       \
      if (the_target->pause_all)        \
    (*the_target->pause_all) (freeze);  \
    } while (0)

Definition at line 573 of file target.h.

Referenced by clear_installed_tracepoints(), cmd_qtdp(), cmd_qtstart(), cmd_qtstatus(), handle_status(), run_inferior_command(), stop_tracing(), and upload_fast_traceframes().

stabilize_threads

#define stabilize_threads

(

)

Value:

do                      \
    {                       \
      if (the_target->stabilize_threads)        \
    (*the_target->stabilize_threads) ();    \
    } while (0)

Definition at line 587 of file target.h.

Referenced by cmd_qtdp(), cmd_qtstart(), handle_status(), linux_detach(), and linux_wait_1().

store_inferior_registers

#define store_inferior_registers	(		regcache,
			regno
	)		(*the_target->store_registers) (regcache, regno)

Definition at line 532 of file target.h.

Referenced by regcache_invalidate_thread().

target_async

#define target_async

(

enable

)

(the_target->async ? (*the_target->async) (enable) : 0)

Definition at line 541 of file target.h.

Referenced by handle_accept_event().

target_breakpoint_kind_from_current_state

#define target_breakpoint_kind_from_current_state

(

pcptr

)

Value:

(the_target->breakpoint_kind_from_current_state \
   ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \
   : target_breakpoint_kind_from_pc (pcptr))

Definition at line 671 of file target.h.

target_breakpoint_kind_from_pc

#define target_breakpoint_kind_from_pc

(

pcptr

)

Value:

(the_target->breakpoint_kind_from_pc \
   ? (*the_target->breakpoint_kind_from_pc) (pcptr) \
   : default_breakpoint_kind_from_pc (pcptr))

Definition at line 666 of file target.h.

Referenced by set_breakpoint_type_at().

target_core_of_thread

#define target_core_of_thread

(

ptid

)

Value:

(the_target->core_of_thread ? (*the_target->core_of_thread) (ptid) \
   : -1)

Definition at line 693 of file target.h.

Referenced by handle_qxfer_threads_worker(), and prepare_resume_reply().

target_disable_btrace

#define target_disable_btrace

(

tinfo

)

(*the_target->disable_btrace) (tinfo)

Definition at line 633 of file target.h.

Referenced by handle_btrace_disable(), and remove_thread().

target_emit_ops

#define target_emit_ops

(

)

(the_target->emit_ops ? (*the_target->emit_ops) () : NULL)

Definition at line 615 of file target.h.

Referenced by compile_bytecodes(), download_tracepoint_1(), emit_add(), emit_bit_and(), emit_bit_not(), emit_bit_or(), emit_bit_xor(), emit_const(), emit_epilogue(), emit_eq_goto(), emit_equal(), emit_ext(), emit_ge_goto(), emit_goto(), emit_gt_goto(), emit_if_goto(), emit_int_call_1(), emit_le_goto(), emit_less_signed(), emit_less_unsigned(), emit_log_not(), emit_lsh(), emit_lt_goto(), emit_mul(), emit_ne_goto(), emit_pop(), emit_prologue(), emit_ref(), emit_reg(), emit_rsh_signed(), emit_rsh_unsigned(), emit_stack_adjust(), emit_stack_flush(), emit_sub(), emit_swap(), emit_void_call_2(), emit_zero_ext(), and write_goto_address().

target_enable_btrace

#define target_enable_btrace	(		ptid,
			conf
	)		(*the_target->enable_btrace) (ptid, conf)

Definition at line 630 of file target.h.

Referenced by handle_btrace_enable_bts(), and handle_btrace_enable_pt().

target_get_ipa_tdesc_idx

#define target_get_ipa_tdesc_idx

(

)

Value:

(the_target->get_ipa_tdesc_idx          \
   ? (*the_target->get_ipa_tdesc_idx) () : 0)

Definition at line 555 of file target.h.

Referenced by cmd_qtstart().

target_get_min_fast_tracepoint_insn_len

#define target_get_min_fast_tracepoint_insn_len

(

)

Value:

(the_target->get_min_fast_tracepoint_insn_len       \
   ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0)

Definition at line 566 of file target.h.

Referenced by cmd_qtminftpilen(), and install_fast_tracepoint().

target_handle_new_gdb_connection

#define target_handle_new_gdb_connection

(

)

Value:

do                           \
    {                            \
      if (the_target->handle_new_gdb_connection != NULL) \
    (*the_target->handle_new_gdb_connection) ();     \
    } while (0)

Definition at line 516 of file target.h.

Referenced by handle_query().

target_post_create_inferior

#define target_post_create_inferior

(

)

Value:

do                           \
    {                            \
      if (the_target->post_create_inferior != NULL)  \
    (*the_target->post_create_inferior) ();      \
    } while (0)

Definition at line 492 of file target.h.

Referenced by post_fork_inferior().

target_process_qsupported

#define target_process_qsupported	(		features,
			count
	)

Value:

do                          \
    {                           \
      if (the_target->process_qsupported)       \
    the_target->process_qsupported (features, count); \
    } while (0)

Definition at line 544 of file target.h.

Referenced by handle_query().

target_read_btrace

#define target_read_btrace	(		tinfo,
			buffer,
			type
	)		(*the_target->read_btrace) (tinfo, buffer, type)

Definition at line 636 of file target.h.

Referenced by handle_qxfer_btrace().

target_read_btrace_conf

#define target_read_btrace_conf	(		tinfo,
			buffer
	)		(*the_target->read_btrace_conf) (tinfo, buffer)

Definition at line 639 of file target.h.

Referenced by handle_qxfer_btrace_conf().

target_stopped_by_hw_breakpoint

#define target_stopped_by_hw_breakpoint

(

)

Value:

(the_target->stopped_by_hw_breakpoint ? \
   (*the_target->stopped_by_hw_breakpoint) () : 0)

Definition at line 662 of file target.h.

Referenced by prepare_resume_reply().

target_stopped_by_sw_breakpoint

#define target_stopped_by_sw_breakpoint

(

)

Value:

(the_target->stopped_by_sw_breakpoint ? \
   (*the_target->stopped_by_sw_breakpoint) () : 0)

Definition at line 650 of file target.h.

Referenced by prepare_resume_reply().

target_supports_agent

#define target_supports_agent

(

)

Value:

(the_target->supports_agent ? \
   (*the_target->supports_agent) () : 0)

Definition at line 622 of file target.h.

Referenced by handle_query().

target_supports_btrace

#define target_supports_btrace

(

format

)

Value:

(the_target->supports_btrace                \
   ? (*the_target->supports_btrace) (the_target, format) : 0)

Definition at line 626 of file target.h.

Referenced by supported_btrace_packets().

target_supports_catch_syscall

#define target_supports_catch_syscall

(

)

Value:

(the_target->supports_catch_syscall ?           \
   (*the_target->supports_catch_syscall) () : 0)

Definition at line 551 of file target.h.

Referenced by handle_general_set(), and handle_query().

target_supports_disable_randomization

#define target_supports_disable_randomization

(

)

Value:

(the_target->supports_disable_randomization ? \
   (*the_target->supports_disable_randomization) () : 0)

Definition at line 618 of file target.h.

Referenced by handle_query().

target_supports_exec_events

#define target_supports_exec_events

(

)

Value:

(the_target->supports_exec_events ? \
   (*the_target->supports_exec_events) () : 0)

Definition at line 512 of file target.h.

Referenced by handle_query().

target_supports_fast_tracepoints

#define target_supports_fast_tracepoints

(

)

(the_target->install_fast_tracepoint_jump_pad != NULL)

Definition at line 563 of file target.h.

Referenced by handle_query().

target_supports_fork_events

#define target_supports_fork_events

(

)

Value:

(the_target->supports_fork_events ? \
   (*the_target->supports_fork_events) () : 0)

Definition at line 504 of file target.h.

Referenced by handle_query().

target_supports_hardware_single_step

#define target_supports_hardware_single_step

(

)

Value:

(the_target->supports_hardware_single_step ? \
   (*the_target->supports_hardware_single_step) () : 0)

Definition at line 658 of file target.h.

Referenced by handle_query(), and handle_v_requests().

target_supports_non_stop

#define target_supports_non_stop

(

)

(the_target->supports_non_stop ? (*the_target->supports_non_stop ) () : 0)

Definition at line 538 of file target.h.

Referenced by handle_query().

target_supports_range_stepping

#define target_supports_range_stepping

(

)

Value:

(the_target->supports_range_stepping ? \
   (*the_target->supports_range_stepping) () : 0)

Definition at line 642 of file target.h.

Referenced by handle_v_requests().

target_supports_software_single_step

#define target_supports_software_single_step

(

)

Value:

(the_target->supports_software_single_step ? \
   (*the_target->supports_software_single_step) () : 0)

Definition at line 676 of file target.h.

Referenced by handle_query(), and handle_v_requests().

target_supports_stopped_by_hw_breakpoint

#define target_supports_stopped_by_hw_breakpoint

(

)

Value:

(the_target->supports_stopped_by_hw_breakpoint ? \
   (*the_target->supports_stopped_by_hw_breakpoint) () : 0)

Definition at line 654 of file target.h.

Referenced by handle_query().

target_supports_stopped_by_sw_breakpoint

#define target_supports_stopped_by_sw_breakpoint

(

)

Value:

(the_target->supports_stopped_by_sw_breakpoint ? \
   (*the_target->supports_stopped_by_sw_breakpoint) () : 0)

Definition at line 646 of file target.h.

Referenced by handle_query().

target_supports_tracepoints

#define target_supports_tracepoints

(

)

Value:

(the_target->supports_tracepoints           \
   ? (*the_target->supports_tracepoints) () : 0)

Definition at line 559 of file target.h.

Referenced by captured_main(), handle_general_set(), and handle_query().

target_supports_vfork_events

#define target_supports_vfork_events

(

)

Value:

(the_target->supports_vfork_events ? \
   (*the_target->supports_vfork_events) () : 0)

Definition at line 508 of file target.h.

Referenced by handle_query().

target_thread_handle

#define target_thread_handle	(		ptid,
			handle,
			handle_len
	)

Value:

(the_target->thread_handle ? (*the_target->thread_handle) \
                                  (ptid, handle, handle_len) \
   : false)

Definition at line 701 of file target.h.

Referenced by handle_qxfer_threads_worker().

target_thread_name

#define target_thread_name

(

ptid

)

Value:

(the_target->thread_name ? (*the_target->thread_name) (ptid)  \
   : NULL)

Definition at line 697 of file target.h.

Referenced by handle_qxfer_threads_worker().

thread_stopped

#define thread_stopped

(

thread

)

(*the_target->thread_stopped) (thread)

Definition at line 570 of file target.h.

Referenced by prepare_to_access_memory(), and queue_stop_reply_callback().

unpause_all

#define unpause_all

(

unfreeze

)

Value:

do                      \
    {                       \
      if (the_target->unpause_all)      \
    (*the_target->unpause_all) (unfreeze);  \
    } while (0)

Definition at line 580 of file target.h.

Referenced by clear_installed_tracepoints(), cmd_qtdp(), cmd_qtstart(), cmd_qtstatus(), run_inferior_command(), stop_tracing(), and upload_fast_traceframes().

Function Documentation

default_breakpoint_kind_from_pc()

int default_breakpoint_kind_from_pc

(

CORE_ADDR *

pcptr

)

Definition at line 351 of file target.c.

References gdb_assert, target_ops::sw_breakpoint_from_kind, and the_target.

Referenced by linux_breakpoint_kind_from_pc().

done_accessing_memory()

void done_accessing_memory

(

void

)

Definition at line 109 of file target.c.

References target_ops::done_accessing_memory, general_thread, prev_general_thread, switch_to_thread(), and the_target.

Referenced by cmd_qtenable_disable(), delete_gdb_breakpoint(), gdb_read_memory(), gdb_write_memory(), prepare_to_access_memory(), and set_gdb_breakpoint().

kill_inferior()

int kill_inferior

(

int

)

Definition at line 330 of file target.c.

References gdb_agent_about_to_close(), target_ops::kill, and the_target.

Referenced by detach_or_kill_for_exit(), handle_v_kill(), and kill_inferior_callback().

mywait()

ptid_t mywait	(	ptid_t	ptid,
		struct target_waitstatus *	ourstatus,
		int	options,
		int	connected_wait
	)

Definition at line 176 of file target.c.

References gdb_signal_to_host(), gdb_signal_to_name(), remote_connection_is_stdio(), server_waiting, and target_wait().

Referenced by attach_inferior(), handle_target_event(), resume(), and target_stop_and_wait().

prepare_to_access_memory()

int prepare_to_access_memory

(

void

)

Definition at line 43 of file target.c.

References current_thread, done_accessing_memory(), first, for_each_thread(), general_thread, mythread_alive, ptid_t::pid(), target_ops::prepare_to_access_memory, prev_general_thread, ptid_of(), the_target, target_ops::thread_stopped, and thread_stopped.

Referenced by cmd_qtenable_disable(), delete_gdb_breakpoint(), gdb_read_memory(), gdb_write_memory(), and set_gdb_breakpoint().

read_inferior_memory()

int read_inferior_memory	(	CORE_ADDR	memaddr,
		unsigned char *	myaddr,
		int	len
	)

Definition at line 120 of file target.c.

References check_mem_read(), target_ops::read_memory, and the_target.

Referenced by agent_mem_read(), agent_mem_read_string(), ax_printf(), bfin_breakpoint_at(), crc32(), fast_tracepoint_collecting(), gdb_read_memory(), handle_output_debug_string(), have_fast_tracepoint_trampoline_buffer(), insert_memory_breakpoint(), look_up_one_symbol(), m68k_breakpoint_at(), ppc_relocate_instruction(), ppc_write_goto_address(), ps_pdread(), read_inferior_data_pointer(), read_inferior_integer(), read_inferior_uinteger(), relocate_instruction(), s390_breakpoint_at(), s390_relocate_instruction(), set_fast_tracepoint_jump(), target_read_memory(), target_read_uint32(), and upload_fast_traceframes().

set_desired_thread()

int set_desired_thread

(

)

Definition at line 27 of file target.c.

References current_thread, find_thread_ptid(), and general_thread.

Referenced by gdb_read_memory(), gdb_write_memory(), handle_serial_event(), handle_status(), handle_target_event(), and process_serial_event().

set_target_ops()

void set_target_ops

(

struct target_ops *

)

Definition at line 299 of file target.c.

References the_target, and XNEW.

Referenced by initialize_low().

start_non_stop()

int start_non_stop

(

int

nonstop

)

Definition at line 285 of file target.c.

References target_ops::start_non_stop, and the_target.

Referenced by captured_main(), handle_detach(), and handle_general_set().

target_can_do_hardware_single_step()

int target_can_do_hardware_single_step

(

void

)

Definition at line 340 of file target.c.

target_pid_to_str()

const char* target_pid_to_str

(

ptid_t

)

Definition at line 308 of file target.c.

References minus_one_ptid, null_ptid, ptid_equal(), ptid_get_lwp(), ptid_get_pid(), ptid_get_tid(), and xsnprintf().

Referenced by get_detach_signal(), handle_target_event(), kill_one_lwp_callback(), linux_detach_one_lwp(), linux_kill_one_lwp(), linux_low_filter_event(), linux_wait_1(), prepare_resume_reply(), queue_stop_reply_callback(), resume_stopped_resumed_lwps(), save_stop_reason(), select_event_lwp(), stop_all_lwps(), tracepoint_finished_step(), and tracepoint_was_hit().

write_inferior_memory()

int write_inferior_memory	(	CORE_ADDR	memaddr,
		const unsigned char *	myaddr,
		int	len
	)

Definition at line 145 of file target.c.

References check_mem_write(), free(), the_target, target_ops::write_memory, and xmalloc().

Referenced by append_insns(), clear_inferior_trace_buffer(), delete_fast_tracepoint_jump(), download_agent_expr(), download_trace_state_variables(), download_tracepoint_1(), emit_insns(), gdb_write_memory(), i386_install_fast_tracepoint_jump_pad(), i386_write_goto_address(), l_tracepoint_action_download(), m_tracepoint_action_download(), ppc_install_fast_tracepoint_jump_pad(), ppc_relocate_instruction(), ppc_write_goto_address(), ps_pdwrite(), r_tracepoint_action_download(), reinsert_fast_tracepoint_jumps_at(), relocate_instruction(), remove_memory_breakpoint(), s390_write_goto_address(), set_fast_tracepoint_jump(), target_write_memory(), uninsert_fast_tracepoint_jumps_at(), upload_fast_traceframes(), write_inferior_data_pointer(), write_inferior_int8(), write_inferior_integer(), write_inferior_uinteger(), and x_tracepoint_action_download().

Variable Documentation

the_target

struct target_ops* the_target

Definition at line 24 of file target.c.

Referenced by aarch64_breakpoint_at(), arm_breakpoint_at(), arm_get_hwcap(), arm_get_syscall_trapinfo(), arm_sigreturn_next_pc(), bp_opcode(), bp_size(), cris_breakpoint_at(), default_breakpoint_kind_from_pc(), delete_raw_breakpoint(), done_accessing_memory(), getpkt(), handle_open(), handle_query(), handle_qxfer_auxv(), handle_qxfer_btrace(), handle_qxfer_btrace_conf(), handle_qxfer_exec_file(), handle_qxfer_fdpic(), handle_qxfer_libraries_svr4(), handle_qxfer_osdata(), handle_qxfer_siginfo(), handle_qxfer_spu(), handle_readlink(), handle_setfs(), handle_unlink(), handle_v_requests(), hostio_error(), input_interrupt(), insert_memory_breakpoint(), kill_inferior(), linux_detach(), linux_kill(), linux_wait_1(), lynx_detach(), lynx_kill(), m32r_breakpoint_at(), mips_breakpoint_at(), nios2_breakpoint_at(), parse_spufs_run(), ppc_breakpoint_at(), ppc_get_auxv(), ppc_get_pc(), ppc_set_pc(), prepare_resume_reply(), prepare_to_access_memory(), putpkt_binary_1(), queue_stop_reply_callback(), read_inferior_memory(), regcache_read_pc(), regcache_write_pc(), reinsert_raw_breakpoint(), resume(), s390_get_hwcap(), set_raw_breakpoint_at(), set_target_ops(), sh_breakpoint_at(), sparc_breakpoint_at(), sparc_fill_gregset_to_stack(), sparc_store_gregset_from_stack(), start_non_stop(), target_continue(), target_continue_no_signal(), target_mourn_inferior(), target_stop_and_wait(), target_supports_multi_process(), target_wait(), tic6x_breakpoint_at(), tile_breakpoint_at(), uninsert_raw_breakpoint(), validate_inserted_breakpoint(), write_inferior_memory(), x86_breakpoint_at(), xtensa_breakpoint_at(), and z_type_supported().