#include "defs.h"
#include "record.h"
#include "record-btrace.h"
#include "gdbthread.h"
#include "target.h"
#include "gdbcmd.h"
#include "disasm.h"
#include "observer.h"
#include "cli/cli-utils.h"
#include "source.h"
#include "ui-out.h"
#include "symtab.h"
#include "filenames.h"
#include "regcache.h"
#include "frame-unwind.h"
#include "hashtab.h"
#include "infrun.h"
#include "event-loop.h"
#include "inf-loop.h"
#include "vec.h"
#include <algorithm>

Classes
struct	btrace_line_range

struct	btrace_frame_cache

Macros
#define	DEBUG(msg, args...)

Typedefs
typedef struct thread_info *	tp_t

Functions
static struct thread_info *	require_btrace_thread (void)

static struct btrace_thread_info *	require_btrace (void)

static void	record_btrace_enable_warn (struct thread_info *tp)

static void	record_btrace_disable_callback (void *arg)

static void	record_btrace_auto_enable (void)

static void	record_btrace_auto_disable (void)

static void	record_btrace_handle_async_inferior_event (gdb_client_data data)

void	record_btrace_push_target (void)

static void	record_btrace_open (const char *args, int from_tty)

static void	record_btrace_stop_recording (struct target_ops *self)

static void	record_btrace_disconnect (struct target_ops self, const char args, int from_tty)

static void	record_btrace_close (struct target_ops *self)

static void	record_btrace_async (struct target_ops *ops, int enable)

static const char *	record_btrace_adjust_size (unsigned int *size)

static void	record_btrace_print_bts_conf (const struct btrace_config_bts *conf)

static void	record_btrace_print_pt_conf (const struct btrace_config_pt *conf)

static void	record_btrace_print_conf (const struct btrace_config *conf)

static void	record_btrace_info (struct target_ops *self)

static void	btrace_ui_out_decode_error (struct ui_out *uiout, int errcode, enum btrace_format format)

static void	ui_out_field_uint (struct ui_out uiout, const char fld, unsigned int val)

static struct btrace_line_range	btrace_mk_line_range (struct symtab *symtab, int begin, int end)

static struct btrace_line_range	btrace_line_range_add (struct btrace_line_range range, int line)

static int	btrace_line_range_is_empty (struct btrace_line_range range)

static int	btrace_line_range_contains_range (struct btrace_line_range lhs, struct btrace_line_range rhs)

static struct btrace_line_range	btrace_find_line_range (CORE_ADDR pc)

static void	btrace_print_lines (struct btrace_line_range lines, struct ui_out uiout, struct cleanup *ui_item_chain, int flags)

static void	btrace_insn_history (struct ui_out uiout, const struct btrace_thread_info btinfo, const struct btrace_insn_iterator begin, const struct btrace_insn_iterator end, gdb_disassembly_flags flags)

static void	record_btrace_insn_history (struct target_ops *self, int size, gdb_disassembly_flags flags)

static void	record_btrace_insn_history_range (struct target_ops *self, ULONGEST from, ULONGEST to, gdb_disassembly_flags flags)

static void	record_btrace_insn_history_from (struct target_ops *self, ULONGEST from, int size, gdb_disassembly_flags flags)

static void	btrace_call_history_insn_range (struct ui_out uiout, const struct btrace_function bfun)

static void	btrace_compute_src_line_range (const struct btrace_function bfun, int pbegin, int *pend)

static void	btrace_call_history_src_line (struct ui_out uiout, const struct btrace_function bfun)

static const char *	btrace_get_bfun_name (const struct btrace_function *bfun)

static void	btrace_call_history (struct ui_out uiout, const struct btrace_thread_info btinfo, const struct btrace_call_iterator begin, const struct btrace_call_iterator end, int int_flags)

static void	record_btrace_call_history (struct target_ops *self, int size, int int_flags)

static void	record_btrace_call_history_range (struct target_ops *self, ULONGEST from, ULONGEST to, int int_flags)

static void	record_btrace_call_history_from (struct target_ops *self, ULONGEST from, int size, int int_flags)

static enum record_method	record_btrace_record_method (struct target_ops *self, ptid_t ptid)

static int	record_btrace_is_replaying (struct target_ops *self, ptid_t ptid)

static int	record_btrace_will_replay (struct target_ops *self, ptid_t ptid, int dir)

static enum target_xfer_status	record_btrace_xfer_partial (struct target_ops ops, enum target_object object, const char annex, gdb_byte readbuf, const gdb_byte writebuf, ULONGEST offset, ULONGEST len, ULONGEST *xfered_len)

static int	record_btrace_insert_breakpoint (struct target_ops ops, struct gdbarch gdbarch, struct bp_target_info *bp_tgt)

static int	record_btrace_remove_breakpoint (struct target_ops ops, struct gdbarch gdbarch, struct bp_target_info *bp_tgt, enum remove_bp_reason reason)

static void	record_btrace_fetch_registers (struct target_ops ops, struct regcache regcache, int regno)

static void	record_btrace_store_registers (struct target_ops ops, struct regcache regcache, int regno)

static void	record_btrace_prepare_to_store (struct target_ops ops, struct regcache regcache)

static hashval_t	bfcache_hash (const void *arg)

static int	bfcache_eq (const void arg1, const void arg2)

static struct btrace_frame_cache *	bfcache_new (struct frame_info *frame)

static const struct btrace_function *	btrace_get_frame_function (struct frame_info *frame)

static enum unwind_stop_reason	record_btrace_frame_unwind_stop_reason (struct frame_info this_frame, void *this_cache)

static void	record_btrace_frame_this_id (struct frame_info this_frame, void this_cache, struct frame_id this_id)

static struct value *	record_btrace_frame_prev_register (struct frame_info this_frame, void *this_cache, int regnum)

static int	record_btrace_frame_sniffer (const struct frame_unwind self, struct frame_info this_frame, void **this_cache)

static int	record_btrace_tailcall_frame_sniffer (const struct frame_unwind self, struct frame_info this_frame, void **this_cache)

static void	record_btrace_frame_dealloc_cache (struct frame_info self, void this_cache)

static const struct frame_unwind *	record_btrace_to_get_unwinder (struct target_ops *self)

static const struct frame_unwind *	record_btrace_to_get_tailcall_unwinder (struct target_ops *self)

static const char *	btrace_thread_flag_to_str (enum btrace_thread_flag flag)

static void	record_btrace_resume_thread (struct thread_info *tp, enum btrace_thread_flag flag)

static struct frame_info *	get_thread_current_frame (struct thread_info *tp)

static struct btrace_insn_iterator *	record_btrace_start_replaying (struct thread_info *tp)

static void	record_btrace_stop_replaying (struct thread_info *tp)

static void	record_btrace_stop_replaying_at_end (struct thread_info *tp)

static void	record_btrace_resume (struct target_ops *ops, ptid_t ptid, int step, enum gdb_signal signal)

static void	record_btrace_commit_resume (struct target_ops *ops)

static void	record_btrace_cancel_resume (struct thread_info *tp)

static struct target_waitstatus	btrace_step_no_history (void)

static struct target_waitstatus	btrace_step_stopped (void)

static struct target_waitstatus	btrace_step_stopped_on_request (void)

static struct target_waitstatus	btrace_step_spurious (void)

static struct target_waitstatus	btrace_step_no_resumed (void)

static struct target_waitstatus	btrace_step_again (void)

static void	record_btrace_clear_histories (struct btrace_thread_info *btinfo)

static int	record_btrace_replay_at_breakpoint (struct thread_info *tp)

static struct target_waitstatus	record_btrace_single_step_forward (struct thread_info *tp)

static struct target_waitstatus	record_btrace_single_step_backward (struct thread_info *tp)

static struct target_waitstatus	record_btrace_step_thread (struct thread_info *tp)

	DEF_VEC_P (tp_t)

static void	record_btrace_maybe_mark_async_event (const VEC(tp_t) moving, const VEC(tp_t) no_history)

static ptid_t	record_btrace_wait (struct target_ops ops, ptid_t ptid, struct target_waitstatus status, int options)

static void	record_btrace_stop (struct target_ops *ops, ptid_t ptid)

static int	record_btrace_can_execute_reverse (struct target_ops *self)

static int	record_btrace_stopped_by_sw_breakpoint (struct target_ops *ops)

static int	record_btrace_supports_stopped_by_sw_breakpoint (struct target_ops *ops)

static int	record_btrace_stopped_by_hw_breakpoint (struct target_ops *ops)

static int	record_btrace_supports_stopped_by_hw_breakpoint (struct target_ops *ops)

static void	record_btrace_update_thread_list (struct target_ops *ops)

static int	record_btrace_thread_alive (struct target_ops *ops, ptid_t ptid)

static void	record_btrace_set_replay (struct thread_info tp, const struct btrace_insn_iterator it)

static void	record_btrace_goto_begin (struct target_ops *self)

static void	record_btrace_goto_end (struct target_ops *ops)

static void	record_btrace_goto (struct target_ops *self, ULONGEST insn)

static void	record_btrace_stop_replaying_all (struct target_ops *self)

static enum exec_direction_kind	record_btrace_execution_direction (struct target_ops *self)

static void	record_btrace_prepare_to_generate_core (struct target_ops *self)

static void	record_btrace_done_generating_core (struct target_ops *self)

static void	init_record_btrace_ops (void)

static void	cmd_record_btrace_bts_start (const char *args, int from_tty)

static void	cmd_record_btrace_pt_start (const char *args, int from_tty)

static void	cmd_record_btrace_start (const char *args, int from_tty)

static void	cmd_set_record_btrace (const char *args, int from_tty)

static void	cmd_show_record_btrace (const char *args, int from_tty)

static void	cmd_show_replay_memory_access (struct ui_file file, int from_tty, struct cmd_list_element c, const char *value)

static void	cmd_set_record_btrace_bts (const char *args, int from_tty)

static void	cmd_show_record_btrace_bts (const char *args, int from_tty)

static void	cmd_set_record_btrace_pt (const char *args, int from_tty)

static void	cmd_show_record_btrace_pt (const char *args, int from_tty)

static void	show_record_bts_buffer_size_value (struct ui_file file, int from_tty, struct cmd_list_element c, const char *value)

static void	show_record_pt_buffer_size_value (struct ui_file file, int from_tty, struct cmd_list_element c, const char *value)

void	_initialize_record_btrace (void)

Variables
static struct target_ops	record_btrace_ops

static struct observer *	record_btrace_thread_observer

static const char	replay_memory_access_read_only [] = "read-only"

static const char	replay_memory_access_read_write [] = "read-write"

static const char *const	replay_memory_access_types []

static const char *	replay_memory_access = replay_memory_access_read_only

static struct cmd_list_element *	set_record_btrace_cmdlist

static struct cmd_list_element *	show_record_btrace_cmdlist

static enum exec_direction_kind	record_btrace_resume_exec_dir = EXEC_FORWARD

static struct async_event_handler *	record_btrace_async_inferior_event_handler

static int	record_btrace_generating_corefile

static struct btrace_config	record_btrace_conf

static struct cmd_list_element *	record_btrace_cmdlist

static struct cmd_list_element *	set_record_btrace_bts_cmdlist

static struct cmd_list_element *	show_record_btrace_bts_cmdlist

static struct cmd_list_element *	set_record_btrace_pt_cmdlist

static struct cmd_list_element *	show_record_btrace_pt_cmdlist

static htab_t	bfcache

const struct frame_unwind	record_btrace_frame_unwind

const struct frame_unwind	record_btrace_tailcall_frame_unwind

Macro Definition Documentation

◆ DEBUG

#define DEBUG	(	msg,
		args...
	)

Value:

do                                  \
    {                                   \
      if (record_debug != 0)                        \
        fprintf_unfiltered (gdb_stdlog,                 \
                "[record-btrace] " msg "\n", ##args);   \
    }                                   \
  while (0)

Definition at line 93 of file record-btrace.c.

Referenced by btrace_call_history(), btrace_insn_history(), record_btrace_auto_disable(), record_btrace_auto_enable(), record_btrace_call_history(), record_btrace_call_history_range(), record_btrace_cancel_resume(), record_btrace_frame_prev_register(), record_btrace_frame_sniffer(), record_btrace_frame_this_id(), record_btrace_info(), record_btrace_insn_history(), record_btrace_insn_history_range(), record_btrace_maybe_mark_async_event(), record_btrace_open(), record_btrace_resume(), record_btrace_resume_thread(), record_btrace_step_thread(), record_btrace_stop(), record_btrace_stop_recording(), record_btrace_tailcall_frame_sniffer(), record_btrace_wait(), and require_btrace_thread().

Typedef Documentation

◆ tp_t

typedef struct thread_info* tp_t

Definition at line 2408 of file record-btrace.c.

Function Documentation

◆ _initialize_record_btrace()

void _initialize_record_btrace ( void )

Definition at line 3042 of file record-btrace.c.

References _, add_alias_cmd(), add_cmd(), add_prefix_cmd(), add_setshow_enum_cmd(), add_setshow_uinteger_cmd(), add_target(), bfcache, bfcache_eq(), bfcache_hash(), btrace_config::bts, class_obscure, class_support, cmd_record_btrace_bts_start(), cmd_record_btrace_pt_start(), cmd_record_btrace_start(), cmd_set_record_btrace(), cmd_set_record_btrace_bts(), cmd_set_record_btrace_pt(), cmd_show_record_btrace(), cmd_show_record_btrace_bts(), cmd_show_record_btrace_pt(), cmd_show_replay_memory_access(), init_record_btrace_ops(), no_class, btrace_config::pt, record_btrace_cmdlist, record_btrace_conf, record_btrace_ops, record_cmdlist, replay_memory_access, replay_memory_access_types, set_record_btrace_bts_cmdlist, set_record_btrace_cmdlist, set_record_btrace_pt_cmdlist, set_record_cmdlist, show_record_btrace_bts_cmdlist, show_record_btrace_cmdlist, show_record_btrace_pt_cmdlist, show_record_bts_buffer_size_value(), show_record_cmdlist, show_record_pt_buffer_size_value(), btrace_config_bts::size, btrace_config_pt::size, xcalloc(), and xfree().

◆ bfcache_eq()

static int bfcache_eq	(	const void *	arg1,
		const void *	arg2
	)

static

Definition at line 1509 of file record-btrace.c.

References btrace_frame_cache::frame.

Referenced by _initialize_record_btrace().

◆ bfcache_hash()

static hashval_t bfcache_hash ( const void * arg )

static

Definition at line 1498 of file record-btrace.c.

References btrace_frame_cache::frame.

Referenced by _initialize_record_btrace().

◆ bfcache_new()

static struct btrace_frame_cache* bfcache_new ( struct frame_info * frame )

static

Definition at line 1522 of file record-btrace.c.

References bfcache, btrace_frame_cache::frame, FRAME_OBSTACK_ZALLOC, and gdb_assert.

Referenced by record_btrace_frame_sniffer(), and record_btrace_tailcall_frame_sniffer().

◆ btrace_call_history()

static void btrace_call_history	(	struct ui_out *	uiout,
		const struct btrace_thread_info *	btinfo,
		const struct btrace_call_iterator *	begin,
		const struct btrace_call_iterator *	end,
		int	int_flags
	)

static

◆ btrace_call_history_insn_range()

static void btrace_call_history_insn_range	(	struct ui_out *	uiout,
		const struct btrace_function *	bfun
	)

static

Definition at line 892 of file record-btrace.c.

References ui_out::begin(), ui_out::end(), gdb_assert, btrace_function::insn, btrace_function::insn_offset, size, ui_out::text(), and ui_out_field_uint().

Referenced by btrace_call_history().

◆ btrace_call_history_src_line()

static void btrace_call_history_src_line	(	struct ui_out *	uiout,
		const struct btrace_function *	bfun
	)

static

Definition at line 950 of file record-btrace.c.

References btrace_compute_src_line_range(), ui_out::field_int(), ui_out::field_string(), btrace_function::sym, symbol_symtab(), symtab_to_filename_for_display(), and ui_out::text().

Referenced by btrace_call_history().

◆ btrace_compute_src_line_range()

static void btrace_compute_src_line_range	(	const struct btrace_function *	bfun,
		int *	pbegin,
		int *	pend
	)

static

Definition at line 914 of file record-btrace.c.

References symtab_and_line::end, find_pc_line(), btrace_function::insn, INT_MAX, INT_MIN, btrace_insn::pc, btrace_function::sym, and symbol_symtab().

Referenced by btrace_call_history_src_line().

◆ btrace_find_line_range()

static struct btrace_line_range btrace_find_line_range ( CORE_ADDR pc )

static

Definition at line 562 of file record-btrace.c.

References btrace_line_range_add(), btrace_mk_line_range(), find_pc_line_symtab(), linetable::item, linetable::nitems, symtab::nlines, range, btrace_line_range::symtab, and SYMTAB_LINETABLE.

Referenced by btrace_insn_history().

◆ btrace_get_bfun_name()

static const char* btrace_get_bfun_name ( const struct btrace_function * bfun )

static

Definition at line 980 of file record-btrace.c.

References btrace_function::msym, MSYMBOL_PRINT_NAME, btrace_function::sym, and SYMBOL_PRINT_NAME.

Referenced by record_btrace_frame_prev_register(), record_btrace_frame_sniffer(), record_btrace_frame_this_id(), and record_btrace_tailcall_frame_sniffer().

◆ btrace_get_frame_function()

static const struct btrace_function* btrace_get_frame_function ( struct frame_info * frame )

static

Definition at line 1540 of file record-btrace.c.

References bfcache, btrace_frame_cache::bfun, and btrace_frame_cache::frame.

Referenced by record_btrace_frame_sniffer(), and record_btrace_tailcall_frame_sniffer().

◆ btrace_insn_history()

static void btrace_insn_history	(	struct ui_out *	uiout,
		const struct btrace_thread_info *	btinfo,
		const struct btrace_insn_iterator *	begin,
		const struct btrace_insn_iterator *	end,
		gdb_disassembly_flags	flags
	)