/tmp/gdb-8.1/gdb/probe.c File Reference

#include "defs.h"
#include "probe.h"
#include "command.h"
#include "cli/cli-cmds.h"
#include "cli/cli-utils.h"
#include "objfiles.h"
#include "symtab.h"
#include "progspace.h"
#include "filenames.h"
#include "linespec.h"
#include "gdb_regex.h"
#include "frame.h"
#include "arch-utils.h"
#include "value.h"
#include "ax.h"
#include "ax-gdb.h"
#include "location.h"
#include <ctype.h>
#include <algorithm>
#include "common/gdb_optional.h"

Go to the source code of this file.

Classes
class	any_static_probe_ops

Functions
static void	parse_probes_in_pspace (const static_probe_ops *spops, struct program_space *search_pspace, const char *objfile_namestr, const char *provider, const char *name, std::vector< symtab_and_line > *result)
std::vector< symtab_and_line >	parse_probes (const struct event_location *location, struct program_space *search_pspace, struct linespec_result *canonical)
std::vector< probe * >	find_probes_in_objfile (struct objfile *objfile, const char *provider, const char *name)
struct bound_probe	find_probe_by_pc (CORE_ADDR pc)
static std::vector< bound_probe >	collect_probes (const std::string &objname, const std::string &provider, const std::string &probe_name, const static_probe_ops *spops)
static bool	compare_probes (const bound_probe &a, const bound_probe &b)
static void	gen_ui_out_table_header_info (const std::vector< bound_probe > &probes, const static_probe_ops *spops)
static void	print_ui_out_not_applicables (const static_probe_ops *spops)
static void	print_ui_out_info (probe *probe)
static int	get_number_extra_fields (const static_probe_ops *spops)
static bool	exists_probe_with_spops (const std::vector< bound_probe > &probes, const static_probe_ops *spops)
static void	parse_probe_linespec (const char *str, std::string *provider, std::string *probe_name, std::string *objname)
void	info_probes_for_spops (const char *arg, int from_tty, const static_probe_ops *spops)
static void	info_probes_command (const char *arg, int from_tty)
static void	enable_probes_command (const char *arg, int from_tty)
static void	disable_probes_command (const char *arg, int from_tty)
struct value *	probe_safe_evaluate_at_pc (struct frame_info *frame, unsigned n)
const struct static_probe_ops *	probe_linespec_to_static_ops (const char **linespecp)
int	probe_is_linespec_by_keyword (const char **linespecp, const char *const *keywords)
struct cmd_list_element **	info_probes_cmdlist_get (void)
static struct value *	compute_probe_arg (struct gdbarch *arch, struct internalvar *ivar, void *data)
static void	compile_probe_arg (struct internalvar *ivar, struct agent_expr *expr, struct axs_value *value, void *data)
void	_initialize_probe (void)

Variables
const any_static_probe_ops	any_static_probe_ops
static const struct internalvar_funcs	probe_funcs
std::vector< const static_probe_ops * >	all_static_probe_ops

Function Documentation

_initialize_probe()

void _initialize_probe

(

void

)

Definition at line 885 of file probe.c.

References _, add_cmd(), all_static_probe_ops, class_breakpoint, class_info, create_internalvar_type_lazy(), disable_probes_command(), disablelist, enable_probes_command(), enablelist, info_probes_cmdlist_get(), info_probes_command(), and probe_funcs.

collect_probes()

static std::vector<bound_probe> collect_probes ( const std::string &  objname, const std::string &  provider, const std::string &  probe_name, const static_probe_ops *  spops  )

static

Definition at line 284 of file probe.c.

References _, ALL_OBJFILES, gdb::optional< T >::emplace(), compiled_regex::exec(), objfile::objfile(), objfile_name(), objfile::sf, sym_probe_fns::sym_get_probes, and sym_fns::sym_probe_fns.

Referenced by disable_probes_command(), enable_probes_command(), and info_probes_for_spops().

compare_probes()

static bool compare_probes ( const bound_probe &  a, const bound_probe &  b  )

static

Definition at line 338 of file probe.c.

References probe::get_address(), probe::get_name(), probe::get_provider(), bound_probe::objfile, objfile_name(), and bound_probe::prob.

Referenced by info_probes_for_spops().

compile_probe_arg()

static void compile_probe_arg ( struct internalvar *  ivar, struct agent_expr *  expr, struct axs_value *  value, void *  data  )

static

Definition at line 840 of file probe.c.

References _, ax_const_l(), axs_rvalue, builtin_type::builtin_int, builtin_type(), probe::compile_to_ax(), core_addr_to_string(), error(), find_probe_by_pc(), gdb_assert, agent_expr::gdbarch, probe::get_argument_count(), get_selected_frame(), bound_probe::prob, agent_expr::scope, and value::type.

compute_probe_arg()

static struct value* compute_probe_arg ( struct gdbarch *  arch, struct internalvar *  ivar, void *  data  )

static

Definition at line 809 of file probe.c.

References _, core_addr_to_string(), error(), probe::evaluate_argument(), find_probe_by_pc(), gdb_assert, probe::get_argument_count(), get_frame_pc(), get_selected_frame(), bound_probe::prob, and value_from_longest().

disable_probes_command()

static void disable_probes_command ( const char *  arg, int  from_tty  )

static

Definition at line 658 of file probe.c.

References _, static_probe_ops::can_enable(), collect_probes(), current_uiout, probe::disable(), probe::get_name(), probe::get_provider(), probe::get_static_ops(), parse_probe_linespec(), and string.

Referenced by _initialize_probe().

enable_probes_command()

static void enable_probes_command ( const char *  arg, int  from_tty  )

static

Definition at line 623 of file probe.c.

References _, static_probe_ops::can_enable(), collect_probes(), current_uiout, probe::enable(), probe::get_name(), probe::get_provider(), probe::get_static_ops(), parse_probe_linespec(), and string.

Referenced by _initialize_probe().

exists_probe_with_spops()

static bool exists_probe_with_spops ( const std::vector< bound_probe > &  probes, const static_probe_ops *  spops  )

static

Definition at line 458 of file probe.c.

References probe::get_static_ops().

Referenced by info_probes_for_spops().

find_probe_by_pc()

struct bound_probe find_probe_by_pc

(

CORE_ADDR

pc

)

Definition at line 247 of file probe.c.

References ALL_OBJFILES, bound_probe::objfile, bound_probe::prob, objfile::sect_index_text, objfile::sf, sym_probe_fns::sym_get_probes, and sym_fns::sym_probe_fns.

Referenced by check_exception_resume(), compile_probe_arg(), compute_probe_arg(), fetch_probe_arguments(), and probe_safe_evaluate_at_pc().

find_probes_in_objfile()

std::vector<probe *> find_probes_in_objfile	(	struct objfile *	objfile,
		const char *	provider,
		const char *	name
	)

Definition at line 220 of file probe.c.

References name, objfile::sf, sym_probe_fns::sym_get_probes, and sym_fns::sym_probe_fns.

Referenced by create_exception_master_breakpoint(), create_longjmp_master_breakpoint(), and svr4_create_solib_event_breakpoints().

gen_ui_out_table_header_info()

static void gen_ui_out_table_header_info ( const std::vector< bound_probe > &  probes, const static_probe_ops *  spops  )

static

Definition at line 360 of file probe.c.

References current_uiout, gdb_assert, static_probe_ops::gen_info_probes_table_header(), probe::gen_info_probes_table_values(), probe::get_static_ops(), and ui_left.

Referenced by info_probes_for_spops().

get_number_extra_fields()

static int get_number_extra_fields ( const static_probe_ops *  spops )

static

Definition at line 449 of file probe.c.

References static_probe_ops::gen_info_probes_table_header().

Referenced by info_probes_for_spops().

info_probes_cmdlist_get()

struct cmd_list_element** info_probes_cmdlist_get

(

void

)

Definition at line 782 of file probe.c.

References _, add_prefix_cmd(), class_info, info_probes_command(), and infolist.

Referenced by _initialize_dtrace_probe(), _initialize_probe(), and _initialize_stap_probe().

info_probes_command()

static void info_probes_command ( const char *  arg, int  from_tty  )

static

Definition at line 615 of file probe.c.

References info_probes_for_spops().

Referenced by _initialize_probe(), and info_probes_cmdlist_get().

info_probes_for_spops()

void info_probes_for_spops	(	const char *	arg,
		int	from_tty,
		const static_probe_ops *	spops
	)

Definition at line 489 of file probe.c.

References _, all_static_probe_ops, collect_probes(), compare_probes(), current_uiout, exists_probe_with_spops(), gdbarch_addr_bit(), gen_ui_out_table_header_info(), get_current_arch(), probe::get_gdbarch(), probe::get_name(), get_number_extra_fields(), probe::get_provider(), probe::get_relocated_address(), probe::get_static_ops(), objfile_name(), parse_probe_linespec(), print_ui_out_info(), print_ui_out_not_applicables(), string, static_probe_ops::type_name(), and ui_left.

Referenced by info_probes_command(), info_probes_dtrace_command(), and info_probes_stap_command().

parse_probe_linespec()

static void parse_probe_linespec ( const char *  str, std::string *  provider, std::string *  probe_name, std::string *  objname  )

static

Definition at line 472 of file probe.c.

References extract_arg().

Referenced by disable_probes_command(), enable_probes_command(), and info_probes_for_spops().

parse_probes()

std::vector<symtab_and_line> parse_probes	(	const struct event_location *	location,
		struct program_space *	search_pspace,
		struct linespec_result *	canonical
	)

Definition at line 119 of file probe.c.

References _, ALL_PSPACES, error(), gdb_assert, get_probe_location(), linespec_result::location, name, new_probe_location(), NOT_FOUND_ERROR, parse_probes_in_pspace(), linespec_result::pre_expanded, probe_linespec_to_static_ops(), PROBE_LOCATION, skip_spaces(), skip_to_space(), linespec_result::special_display, string, and throw_error().

Referenced by bkpt_probe_create_sals_from_location(), bkpt_probe_decode_location(), and re_set_exception_catchpoint().

parse_probes_in_pspace()

static void parse_probes_in_pspace ( const static_probe_ops *  spops, struct program_space *  search_pspace, const char *  objfile_namestr, const char *  provider, const char *  name, std::vector< symtab_and_line > *  result  )

static

Definition at line 69 of file probe.c.

References ALL_PSPACE_OBJFILES, symtab_and_line::explicit_pc, find_pc_overlay(), name, objfile::objfile(), symtab_and_line::objfile, objfile_name(), symtab_and_line::pc, symtab_and_line::prob, symtab_and_line::pspace, symtab_and_line::section, objfile::sf, sym_probe_fns::sym_get_probes, and sym_fns::sym_probe_fns.

Referenced by parse_probes().

print_ui_out_info()

static void print_ui_out_info ( probe *  probe )

static

Definition at line 421 of file probe.c.

References current_uiout, info_probe_column::field_name, gdb_assert, static_probe_ops::gen_info_probes_table_header(), probe::gen_info_probes_table_values(), and probe::get_static_ops().

Referenced by info_probes_for_spops().

print_ui_out_not_applicables()

static void print_ui_out_not_applicables ( const static_probe_ops *  spops )

static

Definition at line 408 of file probe.c.

References _, current_uiout, and static_probe_ops::gen_info_probes_table_header().

Referenced by info_probes_for_spops().

probe_is_linespec_by_keyword()

int probe_is_linespec_by_keyword	(	const char **	linespecp,
		const char *const *	keywords
	)

Definition at line 724 of file probe.c.

Referenced by any_static_probe_ops::is_linespec(), dtrace_static_probe_ops::is_linespec(), and stap_static_probe_ops::is_linespec().

probe_linespec_to_static_ops()

const struct static_probe_ops* probe_linespec_to_static_ops

(

const char **

linespecp

)

Definition at line 712 of file probe.c.

References all_static_probe_ops.

Referenced by parse_probes(), and string_to_event_location_basic().

probe_safe_evaluate_at_pc()

struct value* probe_safe_evaluate_at_pc	(	struct frame_info *	frame,
		unsigned	n
	)

Definition at line 693 of file probe.c.

References probe::evaluate_argument(), find_probe_by_pc(), probe::get_argument_count(), and get_frame_pc().

Referenced by insert_exception_resume_from_probe(), and process_event_stop_test().

Variable Documentation

all_static_probe_ops

std::vector<const static_probe_ops *> all_static_probe_ops

Definition at line 882 of file probe.c.

Referenced by _initialize_dtrace_probe(), _initialize_probe(), _initialize_stap_probe(), elf_get_probes(), info_probes_for_spops(), and probe_linespec_to_static_ops().

any_static_probe_ops

const any_static_probe_ops any_static_probe_ops

Definition at line 63 of file probe.c.

probe_funcs

const struct internalvar_funcs probe_funcs

static

Initial value:

=
{
  compute_probe_arg,
  compile_probe_arg,
  NULL
}

Definition at line 874 of file probe.c.

Referenced by _initialize_probe().