#include <inttypes.h>
#include <sys/utsname.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <dwarf-regs.h>
#include <linux/bitops.h>
#include "event.h"
#include "dso.h"
#include "debug.h"
#include "intlist.h"
#include "util.h"
#include "strlist.h"
#include "symbol.h"
#include "probe-finder.h"
#include "probe-file.h"
#include "string2.h"

Include dependency graph for probe-finder.c:

Classes
struct	find_scope_param

struct	dwarf_callback_param

struct	pubname_callback_param

struct	local_vars_finder

Macros
#define	MAX_BASIC_TYPE_BITS 64

#define	BYTES_TO_BITS(nb) ((nb) * BITS_PER_LONG / sizeof(long))

Functions
static int	debuginfo__init_offline_dwarf (struct debuginfo dbg, const char path)

static struct debuginfo *	__debuginfo__new (const char *path)

struct debuginfo *	debuginfo__new (const char *path)

void	debuginfo__delete (struct debuginfo *dbg)

static struct probe_trace_arg_ref *	alloc_trace_arg_ref (long offs)

static int	convert_variable_location (Dwarf_Die vr_die, Dwarf_Addr addr, Dwarf_Op fb_ops, Dwarf_Die sp_die, unsigned int machine, struct probe_trace_arg tvar)

static int	convert_variable_type (Dwarf_Die vr_die, struct probe_trace_arg tvar, const char *cast)

static int	convert_variable_fields (Dwarf_Die vr_die, const char varname, struct perf_probe_arg_field field, struct probe_trace_arg_ref ref_ptr, Dwarf_Die die_mem)

static int	convert_variable (Dwarf_Die vr_die, struct probe_finder pf)

static int	find_variable (Dwarf_Die sc_die, struct probe_finder pf)

static int	convert_to_trace_point (Dwarf_Die sp_die, Dwfl_Module mod, Dwarf_Addr paddr, bool retprobe, const char function, struct probe_trace_point tp)

static int	call_probe_finder (Dwarf_Die sc_die, struct probe_finder pf)

static int	find_best_scope_cb (Dwarf_Die fn_die, void data)

static Dwarf_Die *	find_best_scope (struct probe_finder pf, Dwarf_Die die_mem)

static int	probe_point_line_walker (const char fname, int lineno, Dwarf_Addr addr, void data)

static int	find_probe_point_by_line (struct probe_finder *pf)

static int	find_lazy_match_lines (struct intlist list, const char fname, const char *pat)

static int	probe_point_lazy_walker (const char fname, int lineno, Dwarf_Addr addr, void data)

static int	find_probe_point_lazy (Dwarf_Die sp_die, struct probe_finder pf)

static void	skip_prologue (Dwarf_Die sp_die, struct probe_finder pf)

static int	probe_point_inline_cb (Dwarf_Die in_die, void data)

static int	probe_point_search_cb (Dwarf_Die sp_die, void data)

static int	find_probe_point_by_func (struct probe_finder *pf)

static int	pubname_search_cb (Dwarf dbg, Dwarf_Global gl, void *data)

static int	debuginfo__find_probe_location (struct debuginfo dbg, struct probe_finder pf)

static int	debuginfo__find_probes (struct debuginfo dbg, struct probe_finder pf)

static int	copy_variables_cb (Dwarf_Die die_mem, void data)

static int	expand_probe_args (Dwarf_Die sc_die, struct probe_finder pf, struct perf_probe_arg *args)

static int	add_probe_trace_event (Dwarf_Die sc_die, struct probe_finder pf)

int	debuginfo__find_trace_events (struct debuginfo dbg, struct perf_probe_event pev, struct probe_trace_event **tevs)

static int	collect_variables_cb (Dwarf_Die die_mem, void data)

static int	add_available_vars (Dwarf_Die sc_die, struct probe_finder pf)

int	debuginfo__find_available_vars_at (struct debuginfo dbg, struct perf_probe_event pev, struct variable_list **vls)

int	debuginfo__get_text_offset (struct debuginfo dbg, Dwarf_Addr offs, bool adjust_offset)

int	debuginfo__find_probe_point (struct debuginfo dbg, unsigned long addr, struct perf_probe_point ppt)

static int	line_range_add_line (const char src, unsigned int lineno, struct line_range lr)

static int	line_range_walk_cb (const char fname, int lineno, Dwarf_Addr addr __maybe_unused, void data)

static int	find_line_range_by_line (Dwarf_Die sp_die, struct line_finder lf)

static int	line_range_inline_cb (Dwarf_Die in_die, void data)

static int	line_range_search_cb (Dwarf_Die sp_die, void data)

static int	find_line_range_by_func (struct line_finder *lf)

int	debuginfo__find_line_range (struct debuginfo dbg, struct line_range lr)

int	get_real_path (const char raw_path, const char comp_dir, char **new_path)

Variables
static char *	debuginfo_path

static const Dwfl_Callbacks	offline_callbacks

enum dso_binary_type	distro_dwarf_types []

Macro Definition Documentation

◆ BYTES_TO_BITS

#define BYTES_TO_BITS ( nb ) ((nb) * BITS_PER_LONG / sizeof(long))

Definition at line 293 of file probe-finder.c.

◆ MAX_BASIC_TYPE_BITS

#define MAX_BASIC_TYPE_BITS 64

Definition at line 48 of file probe-finder.c.

Function Documentation

◆ debuginfonew()

static struct debuginfo* __debuginfo__new ( const char * path )

static

Definition at line 99 of file probe-finder.c.

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◆ add_available_vars()

static int add_available_vars	(	Dwarf_Die *	sc_die,
		struct probe_finder *	pf
	)

static

Definition at line 1418 of file probe-finder.c.

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◆ add_probe_trace_event()

static int add_probe_trace_event	(	Dwarf_Die *	sc_die,
		struct probe_finder *	pf
	)

static

Definition at line 1257 of file probe-finder.c.

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◆ alloc_trace_arg_ref()

static struct probe_trace_arg_ref* alloc_trace_arg_ref ( long offs )

static

Definition at line 160 of file probe-finder.c.

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◆ call_probe_finder()

static int call_probe_finder	(	Dwarf_Die *	sc_die,
		struct probe_finder *	pf
	)

static

Definition at line 669 of file probe-finder.c.

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◆ collect_variables_cb()

static int collect_variables_cb	(	Dwarf_Die *	die_mem,
		void *	data
	)

static

Definition at line 1356 of file probe-finder.c.

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◆ convert_to_trace_point()

static int convert_to_trace_point	(	Dwarf_Die *	sp_die,
		Dwfl_Module *	mod,
		Dwarf_Addr	paddr,
		bool	retprobe,
		const char *	function,
		struct probe_trace_point *	tp
	)

static

Definition at line 610 of file probe-finder.c.

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◆ convert_variable()

static int convert_variable	(	Dwarf_Die *	vr_die,
		struct probe_finder *	pf
	)

static

Definition at line 538 of file probe-finder.c.

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◆ convert_variable_fields()

static int convert_variable_fields	(	Dwarf_Die *	vr_die,
		const char *	varname,
		struct perf_probe_arg_field *	field,
		struct probe_trace_arg_ref **	ref_ptr,
		Dwarf_Die *	die_mem
	)

static

Definition at line 411 of file probe-finder.c.

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◆ convert_variable_location()

static int convert_variable_location	(	Dwarf_Die *	vr_die,
		Dwarf_Addr	addr,
		Dwarf_Op *	fb_ops,
		Dwarf_Die *	sp_die,
		unsigned int	machine,
		struct probe_trace_arg *	tvar
	)

static

Definition at line 175 of file probe-finder.c.

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◆ convert_variable_type()

static int convert_variable_type	(	Dwarf_Die *	vr_die,
		struct probe_trace_arg *	tvar,
		const char *	cast
	)

static

Definition at line 295 of file probe-finder.c.

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◆ copy_variables_cb()

static int copy_variables_cb	(	Dwarf_Die *	die_mem,
		void *	data
	)

static

Definition at line 1196 of file probe-finder.c.

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◆ debuginfo__delete()

void debuginfo__delete ( struct debuginfo * dbg )

Definition at line 147 of file probe-finder.c.

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◆ debuginfo__find_available_vars_at()

int debuginfo__find_available_vars_at	(	struct debuginfo *	dbg,
		struct perf_probe_event *	pev,
		struct variable_list **	vls
	)

Definition at line 1471 of file probe-finder.c.

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◆ debuginfo__find_line_range()

int debuginfo__find_line_range	(	struct debuginfo *	dbg,
		struct line_range *	lr
	)

Definition at line 1754 of file probe-finder.c.

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◆ debuginfo__find_probe_location()

static int debuginfo__find_probe_location	(	struct debuginfo *	dbg,
		struct probe_finder *	pf
	)

static

Definition at line 1078 of file probe-finder.c.

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◆ debuginfo__find_probe_point()

int debuginfo__find_probe_point	(	struct debuginfo *	dbg,
		unsigned long	addr,
		struct perf_probe_point *	ppt
	)

Definition at line 1542 of file probe-finder.c.

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◆ debuginfo__find_probes()

static int debuginfo__find_probes	(	struct debuginfo *	dbg,
		struct probe_finder *	pf
	)

static

Definition at line 1150 of file probe-finder.c.

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◆ debuginfo__find_trace_events()

int debuginfo__find_trace_events	(	struct debuginfo *	dbg,
		struct perf_probe_event *	pev,
		struct probe_trace_event **	tevs
	)

Definition at line 1327 of file probe-finder.c.

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◆ debuginfo__get_text_offset()

int debuginfo__get_text_offset	(	struct debuginfo *	dbg,
		Dwarf_Addr *	offs,
		bool	adjust_offset
	)

Definition at line 1504 of file probe-finder.c.

◆ debuginfo__init_offline_dwarf()

static int debuginfo__init_offline_dwarf	(	struct debuginfo *	dbg,
		const char *	path
	)

static

Definition at line 64 of file probe-finder.c.

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◆ debuginfo__new()

struct debuginfo* debuginfo__new ( const char * path )

Definition at line 120 of file probe-finder.c.

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◆ expand_probe_args()

static int expand_probe_args	(	Dwarf_Die *	sc_die,
		struct probe_finder *	pf,
		struct perf_probe_arg *	args
	)

static

Definition at line 1224 of file probe-finder.c.

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◆ find_best_scope()

static Dwarf_Die* find_best_scope	(	struct probe_finder *	pf,
		Dwarf_Die *	die_mem
	)

static

Definition at line 768 of file probe-finder.c.

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◆ find_best_scope_cb()

static int find_best_scope_cb	(	Dwarf_Die *	fn_die,
		void *	data
	)

static

Definition at line 735 of file probe-finder.c.

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◆ find_lazy_match_lines()

static int find_lazy_match_lines	(	struct intlist *	list,
		const char *	fname,
		const char *	pat
	)

static

Definition at line 814 of file probe-finder.c.

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◆ find_line_range_by_func()

static int find_line_range_by_func ( struct line_finder * lf )

static

Definition at line 1747 of file probe-finder.c.

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◆ find_line_range_by_line()

static int find_line_range_by_line	(	Dwarf_Die *	sp_die,
		struct line_finder *	lf
	)

static

Definition at line 1681 of file probe-finder.c.

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◆ find_probe_point_by_func()

static int find_probe_point_by_func ( struct probe_finder * pf )

static

Definition at line 1038 of file probe-finder.c.

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◆ find_probe_point_by_line()

static int find_probe_point_by_line ( struct probe_finder * pf )

static

Definition at line 808 of file probe-finder.c.

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◆ find_probe_point_lazy()

static int find_probe_point_lazy	(	Dwarf_Die *	sp_die,
		struct probe_finder *	pf
	)

static

Definition at line 884 of file probe-finder.c.

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◆ find_variable()

static int find_variable	(	Dwarf_Die *	sc_die,
		struct probe_finder *	pf
	)

static

Definition at line 568 of file probe-finder.c.

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◆ get_real_path()

int get_real_path	(	const char *	raw_path,
		const char *	comp_dir,
		char **	new_path
	)

Definition at line 1830 of file probe-finder.c.

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◆ line_range_add_line()

static int line_range_add_line	(	const char *	src,
		unsigned int	lineno,
		struct line_range *	lr
	)

static

Definition at line 1650 of file probe-finder.c.

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◆ line_range_inline_cb()

static int line_range_inline_cb	(	Dwarf_Die *	in_die,
		void *	data
	)

static

Definition at line 1699 of file probe-finder.c.

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◆ line_range_search_cb()

static int line_range_search_cb	(	Dwarf_Die *	sp_die,
		void *	data
	)

static

Definition at line 1713 of file probe-finder.c.

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◆ line_range_walk_cb()

static int line_range_walk_cb	(	const char *	fname,
		int	lineno,
		Dwarf_Addr addr	__maybe_unused,
		void *	data
	)

static

Definition at line 1662 of file probe-finder.c.

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◆ probe_point_inline_cb()

static int probe_point_inline_cb	(	Dwarf_Die *	in_die,
		void *	data
	)

static

Definition at line 942 of file probe-finder.c.

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◆ probe_point_lazy_walker()

static int probe_point_lazy_walker	(	const char *	fname,
		int	lineno,
		Dwarf_Addr	addr,
		void *	data
	)

static

Definition at line 853 of file probe-finder.c.

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◆ probe_point_line_walker()

static int probe_point_line_walker	(	const char *	fname,
		int	lineno,
		Dwarf_Addr	addr,
		void *	data
	)

static

Definition at line 784 of file probe-finder.c.

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◆ probe_point_search_cb()

static int probe_point_search_cb	(	Dwarf_Die *	sp_die,
		void *	data
	)

static

Definition at line 981 of file probe-finder.c.

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◆ pubname_search_cb()

static int pubname_search_cb	(	Dwarf *	dbg,
		Dwarf_Global *	gl,
		void *	data
	)

static

Definition at line 1054 of file probe-finder.c.

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◆ skip_prologue()

static void skip_prologue	(	Dwarf_Die *	sp_die,
		struct probe_finder *	pf
	)

static

Definition at line 910 of file probe-finder.c.

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Variable Documentation

◆ debuginfo_path

char* debuginfo_path

static

Definition at line 51 of file probe-finder.c.

◆ distro_dwarf_types

enum dso_binary_type distro_dwarf_types[]

Initial value:

= {
    DSO_BINARY_TYPE__FEDORA_DEBUGINFO,
    DSO_BINARY_TYPE__UBUNTU_DEBUGINFO,
    DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO,
    DSO_BINARY_TYPE__BUILDID_DEBUGINFO,
    DSO_BINARY_TYPE__NOT_FOUND,
}

Definition at line 112 of file probe-finder.c.

◆ offline_callbacks

const Dwfl_Callbacks offline_callbacks

static

Initial value:

= {
    .find_debuginfo = dwfl_standard_find_debuginfo,
    .debuginfo_path = &debuginfo_path,
    .section_address = dwfl_offline_section_address,
    
    .find_elf = dwfl_build_id_find_elf,
}

Definition at line 53 of file probe-finder.c.

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ BYTES_TO_BITS

◆ MAX_BASIC_TYPE_BITS

Function Documentation

◆ __debuginfo__new()

◆ add_available_vars()

◆ add_probe_trace_event()

◆ alloc_trace_arg_ref()

◆ call_probe_finder()

◆ collect_variables_cb()

◆ convert_to_trace_point()

◆ convert_variable()

◆ convert_variable_fields()

◆ convert_variable_location()

◆ convert_variable_type()

◆ copy_variables_cb()

◆ debuginfo__delete()

◆ debuginfo__find_available_vars_at()

◆ debuginfo__find_line_range()

◆ debuginfo__find_probe_location()

◆ debuginfo__find_probe_point()

◆ debuginfo__find_probes()

◆ debuginfo__find_trace_events()

◆ debuginfo__get_text_offset()

◆ debuginfo__init_offline_dwarf()

◆ debuginfo__new()

◆ expand_probe_args()

◆ find_best_scope()

◆ find_best_scope_cb()

◆ find_lazy_match_lines()

◆ find_line_range_by_func()

◆ find_line_range_by_line()

◆ find_probe_point_by_func()

◆ find_probe_point_by_line()

◆ find_probe_point_lazy()

◆ find_variable()

◆ get_real_path()

◆ line_range_add_line()

◆ line_range_inline_cb()

◆ line_range_search_cb()

◆ line_range_walk_cb()

◆ probe_point_inline_cb()

◆ probe_point_lazy_walker()

◆ probe_point_line_walker()

◆ probe_point_search_cb()

◆ pubname_search_cb()

◆ skip_prologue()

Variable Documentation

◆ debuginfo_path

◆ distro_dwarf_types

◆ offline_callbacks

◆ debuginfonew()