/home/stan/gdb/src/gdb/remote-sim.c File Reference

#include "defs.h"
#include "inferior.h"
#include "value.h"
#include "gdb_string.h"
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
#include <setjmp.h>
#include <errno.h>
#include "terminal.h"
#include "target.h"
#include "gdbcore.h"
#include "gdb/callback.h"
#include "gdb/remote-sim.h"
#include "command.h"
#include "regcache.h"
#include "gdb_assert.h"
#include "sim-regno.h"
#include "arch-utils.h"
#include "readline/readline.h"
#include "gdbthread.h"

Go to the source code of this file.

Classes
struct	resume_data
Defines
#define	INITIAL_PID   42000
Enumerations
enum	{ SIM_INSTANCE_NOT_NEEDED = 0, SIM_INSTANCE_NEEDED = 1 }
Functions
void	_initialize_remote_sim (void)
static void	init_callbacks (void)
static void	end_callbacks (void)
static int	gdb_os_write_stdout (host_callback *, const char *, int)
static void	gdb_os_flush_stdout (host_callback *)
static int	gdb_os_write_stderr (host_callback *, const char *, int)
static void	gdb_os_flush_stderr (host_callback *)
static int	gdb_os_poll_quit (host_callback *)
static void	gdb_os_printf_filtered (host_callback *, const char *,...)
static void	gdb_os_vprintf_filtered (host_callback *, const char *, va_list)
static void	gdb_os_evprintf_filtered (host_callback *, const char *, va_list)
static void	gdb_os_error (host_callback *, const char *,...)
static int	check_for_duplicate_sim_descriptor (struct inferior *inf, void *arg)
static struct sim_inferior_data *	get_sim_inferior_data (struct inferior *inf, int sim_instance_needed)
static struct sim_inferior_data *	get_sim_inferior_data_by_ptid (ptid_t ptid, int sim_instance_needed)
static void	sim_inferior_data_cleanup (struct inferior *inf, void *data)
static void	dump_mem (const gdb_byte *buf, int len)
int	one2one_register_sim_regno (struct gdbarch *gdbarch, int regnum)
static void	gdbsim_fetch_register (struct target_ops *ops, struct regcache *regcache, int regno)
static void	gdbsim_store_register (struct target_ops *ops, struct regcache *regcache, int regno)
static void	gdbsim_kill (struct target_ops *ops)
static void	gdbsim_load (char *args, int fromtty)
static void	gdbsim_create_inferior (struct target_ops *target, char *exec_file, char *args, char **env, int from_tty)
static void	gdbsim_open (char *args, int from_tty)
static int	gdbsim_close_inferior (struct inferior *inf, void *arg)
static void	gdbsim_close (void)
static void	gdbsim_detach (struct target_ops *ops, char *args, int from_tty)
static int	gdbsim_resume_inferior (struct inferior *inf, void *arg)
static void	gdbsim_resume (struct target_ops *ops, ptid_t ptid, int step, enum gdb_signal siggnal)
static int	gdbsim_stop_inferior (struct inferior *inf, void *arg)
static void	gdbsim_stop (ptid_t ptid)
static void	gdbsim_cntrl_c (int signo)
static ptid_t	gdbsim_wait (struct target_ops *ops, ptid_t ptid, struct target_waitstatus *status, int options)
static void	gdbsim_prepare_to_store (struct regcache *regcache)
static LONGEST	gdbsim_xfer_memory (struct target_ops *target, gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST memaddr, LONGEST len)
static LONGEST	gdbsim_xfer_partial (struct target_ops *ops, enum target_object object, const char *annex, gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
static void	gdbsim_files_info (struct target_ops *target)
static void	gdbsim_mourn_inferior (struct target_ops *target)
void	simulator_command (char *args, int from_tty)
static	VEC (char_ptr)
static int	gdbsim_thread_alive (struct target_ops *ops, ptid_t ptid)
static char *	gdbsim_pid_to_str (struct target_ops *ops, ptid_t ptid)
static int	gdbsim_has_all_memory (struct target_ops *ops)
static int	gdbsim_has_memory (struct target_ops *ops)
static void	init_gdbsim_ops (void)
Variables
static int	gdbsim_is_open = 0
static int	next_pid
static char **	sim_argv = NULL
static host_callback	gdb_callback
static int	callbacks_initialized = 0
struct target_ops	gdbsim_ops

---

Define Documentation

#define INITIAL_PID   42000

Definition at line 133 of file remote-sim.c.

Referenced by gdbsim_open().

---

Enumeration Type Documentation

anonymous enum

Enumerator:

SIM_INSTANCE_NOT_NEEDED
SIM_INSTANCE_NEEDED

Definition at line 163 of file remote-sim.c.

---

Function Documentation

void _initialize_remote_sim

(

void

)

Definition at line 1324 of file remote-sim.c.

References _, add_com(), add_target(), class_obscure, gdbsim_ops, init_gdbsim_ops(), sim_inferior_data_cleanup(), and simulator_command().

static int check_for_duplicate_sim_descriptor	(	struct inferior *	inf,
		void *	arg
	)		[static]

Definition at line 150 of file remote-sim.c.

Referenced by get_sim_inferior_data().

static void dump_mem	(	const gdb_byte *	buf,
		int	len
	)		[static]

Definition at line 272 of file remote-sim.c.

References fprintf_unfiltered(), fputs_unfiltered(), gdb_stdlog, len, and memcpy().

Referenced by gdbsim_fetch_register(), gdbsim_store_register(), and gdbsim_xfer_memory().

static void end_callbacks

(

void

)

[static]

Definition at line 322 of file remote-sim.c.

References callbacks_initialized, and gdb_callback.

Referenced by gdbsim_close().

static void gdb_os_error	(	host_callback *	p,
		const char *	format,
			...
	)		[static]

Definition at line 70 of file remote-sim.c.

References resume_step.

Referenced by init_callbacks().

static void gdb_os_evprintf_filtered	(	host_callback *	p,
		const char *	format,
		va_list	ap
	)		[static]

Definition at line 399 of file remote-sim.c.

References gdb_stderr, and vfprintf_filtered().

Referenced by init_callbacks().

static void gdb_os_flush_stderr

(

host_callback *

p

)

[static]

Definition at line 371 of file remote-sim.c.

References gdb_flush(), and gdb_stdtargerr.

Referenced by init_callbacks().

static void gdb_os_flush_stdout

(

host_callback *

p

)

[static]

Definition at line 346 of file remote-sim.c.

References gdb_flush(), and gdb_stdtarg.

Referenced by init_callbacks().

static int gdb_os_poll_quit

(

host_callback *

p

)

[static]

Definition at line 944 of file remote-sim.c.

References check_quit_flag(), clear_quit_flag(), and deprecated_ui_loop_hook.

Referenced by init_callbacks().

static void gdb_os_printf_filtered	(	host_callback *	p,
		const char *	format,
			...
	)		[static]

Definition at line 379 of file remote-sim.c.

References gdb_stdout, and vfprintf_filtered().

Referenced by init_callbacks().

static void gdb_os_vprintf_filtered	(	host_callback *	p,
		const char *	format,
		va_list	ap
	)		[static]

Definition at line 391 of file remote-sim.c.

References gdb_stdout, and vfprintf_filtered().

Referenced by init_callbacks().

static int gdb_os_write_stderr	(	host_callback *	p,
		const char *	buf,
		int	len
	)		[static]

Definition at line 354 of file remote-sim.c.

References fputs_unfiltered(), gdb_stdtargerr, and len.

Referenced by init_callbacks().

static int gdb_os_write_stdout	(	host_callback *	p,
		const char *	buf,
		int	len
	)		[static]

Definition at line 334 of file remote-sim.c.

References gdb_stdtarg, len, and ui_file_write().

Referenced by init_callbacks().

static void gdbsim_close

(

void

)

[static]

Definition at line 789 of file remote-sim.c.

References current_inferior(), end_callbacks(), fprintf_unfiltered(), gdb_stdlog, gdbsim_close_inferior(), gdbsim_is_open, get_sim_inferior_data(), iterate_over_inferiors(), remote_debug, sim_argv, and SIM_INSTANCE_NOT_NEEDED.

Referenced by init_gdbsim_ops().

static int gdbsim_close_inferior	(	struct inferior *	inf,
		void *	arg
	)		[static]

Definition at line 760 of file remote-sim.c.

References find_inferior_pid(), generic_mourn_inferior(), ptid_get_pid(), sim_inferior_data_cleanup(), and switch_to_thread().

Referenced by gdbsim_close().

static void gdbsim_cntrl_c

(

int

signo

)

[static]

Definition at line 962 of file remote-sim.c.

References gdbsim_stop(), and minus_one_ptid.

Referenced by gdbsim_wait().

static void gdbsim_create_inferior	(	struct target_ops *	target,
		char *	exec_file,
		char *	args,
		char **	env,
		int	from_tty
	)		[static]

Definition at line 605 of file remote-sim.c.

References _, add_thread_silent(), clear_proceed_status(), current_inferior(), error(), exec_bfd, fprintf_unfiltered(), gdb_buildargv(), gdb_stdlog, gdbsim_kill(), get_sim_inferior_data(), have_inferiors(), inferior_appeared(), inferior_ptid, init_thread_list(), init_wait_for_inferior(), insert_breakpoints(), len, make_cleanup_freeargv(), ptid_equal(), ptid_get_pid(), remote_debug, remove_breakpoints(), SIM_INSTANCE_NEEDED, and warning().

Referenced by init_gdbsim_ops().

static void gdbsim_detach	(	struct target_ops *	ops,
		char *	args,
		int	from_tty
	)		[static]

Definition at line 820 of file remote-sim.c.

References fprintf_unfiltered(), gdb_stdlog, printf_filtered(), remote_debug, target_shortname, and unpush_target().

Referenced by init_gdbsim_ops().

static void gdbsim_fetch_register	(	struct target_ops *	ops,
		struct regcache *	regcache,
		int	regno
	)		[static]

Definition at line 425 of file remote-sim.c.

References current_inferior(), dump_mem(), fprintf_unfiltered(), gdb_assert, gdb_stderr, gdb_stdlog, gdbarch_num_regs(), gdbarch_register_name(), gdbarch_register_sim_regno(), get_regcache_arch(), get_sim_inferior_data(), LEGACY_SIM_REGNO_IGNORE, MAX_REGISTER_SIZE, memset(), regcache_raw_supply(), register_size(), remote_debug, SIM_INSTANCE_NEEDED, and SIM_REGNO_DOES_NOT_EXIST.

Referenced by init_gdbsim_ops().

static void gdbsim_files_info

(

struct target_ops *

target

)

[static]

Definition at line 1129 of file remote-sim.c.

References current_inferior(), exec_bfd, fprintf_unfiltered(), gdb_stdlog, get_sim_inferior_data(), remote_debug, SIM_INSTANCE_NEEDED, and target_shortname.

Referenced by init_gdbsim_ops().

static int gdbsim_has_all_memory

(

struct target_ops *

ops

)

[static]

Definition at line 1262 of file remote-sim.c.

References current_inferior(), get_sim_inferior_data(), and SIM_INSTANCE_NOT_NEEDED.

Referenced by init_gdbsim_ops().

static int gdbsim_has_memory

(

struct target_ops *

ops

)

[static]

Definition at line 1274 of file remote-sim.c.

References current_inferior(), get_sim_inferior_data(), and SIM_INSTANCE_NOT_NEEDED.

Referenced by init_gdbsim_ops().

static void gdbsim_kill

(

struct target_ops *

ops

)

[static]

Definition at line 547 of file remote-sim.c.

References fprintf_unfiltered(), gdb_stdlog, remote_debug, and target_mourn_inferior().

Referenced by gdbsim_create_inferior(), and init_gdbsim_ops().

static void gdbsim_load	(	char *	args,
		int	fromtty
	)		[static]

Definition at line 562 of file remote-sim.c.

References _, current_inferior(), error(), error_no_arg(), fprintf_unfiltered(), gdb_buildargv(), gdb_stdlog, get_sim_inferior_data(), make_cleanup_freeargv(), remote_debug, and SIM_INSTANCE_NEEDED.

Referenced by init_gdbsim_ops().

static void gdbsim_mourn_inferior

(

struct target_ops *

target

)

[static]

Definition at line 1152 of file remote-sim.c.

References current_inferior(), delete_thread_silent(), fprintf_unfiltered(), gdb_stdlog, generic_mourn_inferior(), get_sim_inferior_data(), remote_debug, remove_breakpoints(), and SIM_INSTANCE_NOT_NEEDED.

Referenced by init_gdbsim_ops().

static void gdbsim_open	(	char *	args,
		int	from_tty
	)		[static]

Definition at line 666 of file remote-sim.c.

References _, current_inferior(), error(), exec_bfd, fprintf_unfiltered(), gdb_buildargv(), gdb_callback, gdb_stdlog, gdb_sysroot, gdbsim_is_open, gdbsim_ops, get_sim_inferior_data(), inferior_ptid, init_callbacks(), INITIAL_PID, len, next_pid, null_ptid, printf_filtered(), push_target(), remote_debug, selected_architecture_name(), selected_byte_order(), sim_argv, SIM_INSTANCE_NOT_NEEDED, and unpush_target().

Referenced by init_gdbsim_ops().

static char* gdbsim_pid_to_str	(	struct target_ops *	ops,
		ptid_t	ptid
	)		[static]

Definition at line 1254 of file remote-sim.c.

References normal_pid_to_str().

Referenced by init_gdbsim_ops().

static void gdbsim_prepare_to_store

(

struct regcache *

regcache

)

[static]

Definition at line 1054 of file remote-sim.c.

Referenced by init_gdbsim_ops().

static void gdbsim_resume	(	struct target_ops *	ops,
		ptid_t	ptid,
		int	step,
		enum gdb_signal	siggnal
	)		[static]

Definition at line 865 of file remote-sim.c.

References _, error(), find_inferior_pid(), gdbsim_resume_inferior(), get_sim_inferior_data_by_ptid(), iterate_over_inferiors(), minus_one_ptid, ptid_equal(), ptid_get_pid(), resume_data::siggnal, SIM_INSTANCE_NOT_NEEDED, and resume_data::step.

Referenced by init_gdbsim_ops().

static int gdbsim_resume_inferior	(	struct inferior *	inf,
		void *	arg
	)		[static]

Definition at line 841 of file remote-sim.c.

References _, fprintf_unfiltered(), gdb_stdlog, get_sim_inferior_data(), inferior::pid, remote_debug, resume_data::siggnal, SIM_INSTANCE_NOT_NEEDED, and resume_data::step.

Referenced by gdbsim_resume().

static void gdbsim_stop

(

ptid_t

ptid

)

[static]

Definition at line 920 of file remote-sim.c.

References _, error(), find_inferior_pid(), gdbsim_stop_inferior(), iterate_over_inferiors(), minus_one_ptid, ptid_equal(), and ptid_get_pid().

Referenced by gdbsim_cntrl_c(), and init_gdbsim_ops().

static int gdbsim_stop_inferior	(	struct inferior *	inf,
		void *	arg
	)		[static]

Definition at line 900 of file remote-sim.c.

References get_sim_inferior_data(), quit(), and SIM_INSTANCE_NEEDED.

Referenced by gdbsim_stop().

static void gdbsim_store_register	(	struct target_ops *	ops,
		struct regcache *	regcache,
		int	regno
	)		[static]

Definition at line 501 of file remote-sim.c.

References _, current_inferior(), dump_mem(), fprintf_unfiltered(), gdb_stdlog, gdbarch_num_regs(), gdbarch_register_name(), gdbarch_register_sim_regno(), get_regcache_arch(), get_sim_inferior_data(), internal_error(), MAX_REGISTER_SIZE, regcache_cooked_read(), register_size(), remote_debug, SIM_INSTANCE_NEEDED, and warning().

Referenced by init_gdbsim_ops().

static int gdbsim_thread_alive	(	struct target_ops *	ops,
		ptid_t	ptid
	)		[static]

Definition at line 1235 of file remote-sim.c.

References get_sim_inferior_data_by_ptid(), ptid_equal(), and SIM_INSTANCE_NOT_NEEDED.

Referenced by init_gdbsim_ops().

static ptid_t gdbsim_wait	(	struct target_ops *	ops,
		ptid_t	ptid,
		struct target_waitstatus *	status,
		int	options
	)		[static]

Definition at line 968 of file remote-sim.c.

References _, current_inferior(), error(), fprintf_unfiltered(), gdb_stdlog, gdbsim_cntrl_c(), get_sim_inferior_data(), get_sim_inferior_data_by_ptid(), inferior_ptid, target_waitstatus::integer, target_waitstatus::kind, minus_one_ptid, ptid_equal(), ptid_get_pid(), quit(), remote_debug, RETSIGTYPE, target_waitstatus::sig, SIM_INSTANCE_NEEDED, TARGET_WAITKIND_EXITED, TARGET_WAITKIND_SIGNALLED, TARGET_WAITKIND_STOPPED, and target_waitstatus::value.

Referenced by init_gdbsim_ops().

static LONGEST gdbsim_xfer_memory	(	struct target_ops *	target,
		gdb_byte *	readbuf,
		const gdb_byte *	writebuf,
		ULONGEST	memaddr,
		LONGEST	len
	)		[static]

Definition at line 1063 of file remote-sim.c.

References _, current_inferior(), dump_mem(), error(), fprintf_unfiltered(), gdb_assert, gdb_stdlog, get_sim_inferior_data(), host_address_to_string(), len, paddress(), plongest(), remote_debug, SIM_INSTANCE_NOT_NEEDED, target_gdbarch(), and target_ops::to_has_memory.

Referenced by gdbsim_xfer_partial().

static LONGEST gdbsim_xfer_partial	(	struct target_ops *	ops,
		enum target_object	object,
		const char *	annex,
		gdb_byte *	readbuf,
		const gdb_byte *	writebuf,
		ULONGEST	offset,
		LONGEST	len
	)		[static]

Definition at line 1114 of file remote-sim.c.

References gdbsim_xfer_memory(), and TARGET_OBJECT_MEMORY.

Referenced by init_gdbsim_ops().

static struct sim_inferior_data* get_sim_inferior_data	(	struct inferior *	inf,
		int	sim_instance_needed
	)		[static, read]

Definition at line 169 of file remote-sim.c.

References _, check_for_duplicate_sim_descriptor(), error(), exec_bfd, gdb_callback, iterate_over_inferiors(), next_pid, inferior::num, ptid_build(), sim_argv, SIM_INSTANCE_NEEDED, and XZALLOC.

Referenced by gdbsim_close(), gdbsim_create_inferior(), gdbsim_fetch_register(), gdbsim_files_info(), gdbsim_has_all_memory(), gdbsim_has_memory(), gdbsim_load(), gdbsim_mourn_inferior(), gdbsim_open(), gdbsim_resume_inferior(), gdbsim_stop_inferior(), gdbsim_store_register(), gdbsim_wait(), gdbsim_xfer_memory(), and get_sim_inferior_data_by_ptid().

static struct sim_inferior_data* get_sim_inferior_data_by_ptid	(	ptid_t	ptid,
		int	sim_instance_needed
	)		[static, read]

Definition at line 237 of file remote-sim.c.

References find_inferior_pid(), get_sim_inferior_data(), arm-linux::inf, inferior::pid, and ptid_get_pid().

Referenced by gdbsim_resume(), gdbsim_thread_alive(), and gdbsim_wait().

static void init_callbacks

(

void

)

[static]

Definition at line 299 of file remote-sim.c.

References callbacks_initialized, gdb_callback, gdb_os_error(), gdb_os_evprintf_filtered(), gdb_os_flush_stderr(), gdb_os_flush_stdout(), gdb_os_poll_quit(), gdb_os_printf_filtered(), gdb_os_vprintf_filtered(), gdb_os_write_stderr(), and gdb_os_write_stdout().

Referenced by gdbsim_open().

static void init_gdbsim_ops

(

void

)

[static]

Definition at line 1290 of file remote-sim.c.

References default_child_has_execution(), default_child_has_registers(), default_child_has_stack(), gdbsim_close(), gdbsim_create_inferior(), gdbsim_detach(), gdbsim_fetch_register(), gdbsim_files_info(), gdbsim_has_all_memory(), gdbsim_has_memory(), gdbsim_kill(), gdbsim_load(), gdbsim_mourn_inferior(), gdbsim_open(), gdbsim_ops, gdbsim_pid_to_str(), gdbsim_prepare_to_store(), gdbsim_resume(), gdbsim_stop(), gdbsim_store_register(), gdbsim_thread_alive(), gdbsim_wait(), gdbsim_xfer_partial(), memory_insert_breakpoint(), memory_remove_breakpoint(), OPS_MAGIC, process_stratum, target_ops::to_close, target_ops::to_create_inferior, target_ops::to_detach, target_ops::to_doc, target_ops::to_fetch_registers, target_ops::to_files_info, target_ops::to_has_all_memory, target_ops::to_has_execution, target_ops::to_has_memory, target_ops::to_has_registers, target_ops::to_has_stack, target_ops::to_insert_breakpoint, target_ops::to_kill, target_ops::to_load, target_ops::to_longname, target_ops::to_magic, target_ops::to_mourn_inferior, target_ops::to_open, target_ops::to_pid_to_str, target_ops::to_prepare_to_store, target_ops::to_remove_breakpoint, target_ops::to_resume, target_ops::to_shortname, target_ops::to_stop, target_ops::to_store_registers, target_ops::to_stratum, target_ops::to_thread_alive, target_ops::to_wait, and target_ops::to_xfer_partial.

Referenced by _initialize_remote_sim().

int one2one_register_sim_regno	(	struct gdbarch *	gdbarch,
		int	regnum
	)

Definition at line 417 of file remote-sim.c.

References gdb_assert, gdbarch_num_regs(), and regnum.

static void sim_inferior_data_cleanup	(	struct inferior *	inf,
		void *	data
	)		[static]

Definition at line 256 of file remote-sim.c.

References xfree().

Referenced by _initialize_remote_sim(), and gdbsim_close_inferior().

void simulator_command	(	char *	args,
		int	from_tty
	)

Definition at line 1169 of file remote-sim.c.

References _, current_inferior(), error(), and registers_changed().

Referenced by _initialize_remote_sim().

static VEC

(

char_ptr

)

[static]

Definition at line 1207 of file remote-sim.c.

References current_inferior(), VEC, VEC_safe_push, and xfree().

---

Variable Documentation

int callbacks_initialized = 0 [static]

Definition at line 143 of file remote-sim.c.

Referenced by end_callbacks(), and init_callbacks().

host_callback gdb_callback [static]

Definition at line 142 of file remote-sim.c.

Referenced by end_callbacks(), gdbsim_open(), get_sim_inferior_data(), and init_callbacks().

int gdbsim_is_open = 0 [static]

Definition at line 127 of file remote-sim.c.

Referenced by gdbsim_close(), and gdbsim_open().

struct target_ops gdbsim_ops

Definition at line 1287 of file remote-sim.c.

Referenced by _initialize_remote_sim(), gdbsim_open(), and init_gdbsim_ops().

int next_pid [static]

Definition at line 132 of file remote-sim.c.

Referenced by gdbsim_open(), and get_sim_inferior_data().

char** sim_argv = NULL [static]

Definition at line 139 of file remote-sim.c.

Referenced by gdbsim_close(), gdbsim_open(), and get_sim_inferior_data().