#include <asm/bug.h>
#include <linux/kernel.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include "compress.h"
#include "path.h"
#include "symbol.h"
#include "srcline.h"
#include "dso.h"
#include "machine.h"
#include "auxtrace.h"
#include "util.h"
#include "debug.h"
#include "string2.h"
#include "vdso.h"

Include dependency graph for dso.c:

Functions
char	dso__symtab_origin (const struct dso *dso)

int	dso__read_binary_type_filename (const struct dso dso, enum dso_binary_type type, char root_dir, char *filename, size_t size)

bool	is_supported_compression (const char *ext)

bool	is_kernel_module (const char *pathname, int cpumode)

bool	decompress_to_file (const char ext, const char filename, int output_fd)

bool	dso__needs_decompress (struct dso *dso)

static int	decompress_kmodule (struct dso dso, const char name, char *tmpbuf)

int	dso__decompress_kmodule_fd (struct dso dso, const char name)

int	dso__decompress_kmodule_path (struct dso dso, const char name, char *pathname, size_t len)

int	__kmod_path__parse (struct kmod_path m, const char path, bool alloc_name, bool alloc_ext)

void	dso__set_module_info (struct dso dso, struct kmod_path m, struct machine *machine)

static	LIST_HEAD (dso__data_open)

static void	dso__list_add (struct dso *dso)

static void	dso__list_del (struct dso *dso)

static void	close_first_dso (void)

static int	do_open (char *name)

static int	__open_dso (struct dso dso, struct machine machine)

static void	check_data_close (void)

static int	open_dso (struct dso dso, struct machine machine)

static void	close_data_fd (struct dso *dso)

static void	close_dso (struct dso *dso)

static rlim_t	get_fd_limit (void)

void	reset_fd_limit (void)

static bool	may_cache_fd (void)

void	dso__data_close (struct dso *dso)

static void	try_to_open_dso (struct dso dso, struct machine machine)

int	dso__data_get_fd (struct dso dso, struct machine machine)

void	dso__data_put_fd (struct dso *dso __maybe_unused)

bool	dso__data_status_seen (struct dso *dso, enum dso_data_status_seen by)

static void	dso_cache__free (struct dso *dso)

static struct dso_cache *	dso_cache__find (struct dso *dso, u64 offset)

static struct dso_cache *	dso_cache__insert (struct dso dso, struct dso_cache new)

static ssize_t	dso_cache__memcpy (struct dso_cache cache, u64 offset, u8 data, u64 size)

static ssize_t	dso_cache__read (struct dso dso, struct machine machine, u64 offset, u8 *data, ssize_t size)

static ssize_t	dso_cache_read (struct dso dso, struct machine machine, u64 offset, u8 *data, ssize_t size)

static ssize_t	cached_read (struct dso dso, struct machine machine, u64 offset, u8 *data, ssize_t size)

static int	data_file_size (struct dso dso, struct machine machine)

off_t	dso__data_size (struct dso dso, struct machine machine)

static ssize_t	data_read_offset (struct dso dso, struct machine machine, u64 offset, u8 *data, ssize_t size)

ssize_t	dso__data_read_offset (struct dso dso, struct machine machine, u64 offset, u8 *data, ssize_t size)

ssize_t	dso__data_read_addr (struct dso dso, struct map map, struct machine machine, u64 addr, u8 data, ssize_t size)

struct map *	dso__new_map (const char *name)

struct dso *	machine__findnew_kernel (struct machine machine, const char name, const char *short_name, int dso_type)

static struct dso *	__dso__findlink_by_longname (struct rb_root root, struct dso dso, const char *name)

static struct dso *	__dso__find_by_longname (struct rb_root root, const char name)

void	dso__set_long_name (struct dso dso, const char name, bool name_allocated)

void	dso__set_short_name (struct dso dso, const char name, bool name_allocated)

static void	dso__set_basename (struct dso *dso)

int	dso__name_len (const struct dso *dso)

bool	dso__loaded (const struct dso *dso)

bool	dso__sorted_by_name (const struct dso *dso)

void	dso__set_sorted_by_name (struct dso *dso)

struct dso *	dso__new (const char *name)

void	dso__delete (struct dso *dso)

struct dso *	dso__get (struct dso *dso)

void	dso__put (struct dso *dso)

void	dso__set_build_id (struct dso dso, void build_id)

bool	dso__build_id_equal (const struct dso dso, u8 build_id)

void	dso__read_running_kernel_build_id (struct dso dso, struct machine machine)

int	dso__kernel_module_get_build_id (struct dso dso, const char root_dir)

bool	__dsos__read_build_ids (struct list_head *head, bool with_hits)

void	__dsos__add (struct dsos dsos, struct dso dso)

void	dsos__add (struct dsos dsos, struct dso dso)

struct dso *	__dsos__find (struct dsos dsos, const char name, bool cmp_short)

struct dso *	dsos__find (struct dsos dsos, const char name, bool cmp_short)

struct dso *	__dsos__addnew (struct dsos dsos, const char name)

struct dso *	__dsos__findnew (struct dsos dsos, const char name)

struct dso *	dsos__findnew (struct dsos dsos, const char name)

size_t	__dsos__fprintf_buildid (struct list_head head, FILE fp, bool(skip)(struct dso *dso, int parm), int parm)

size_t	__dsos__fprintf (struct list_head head, FILE fp)

size_t	dso__fprintf_buildid (struct dso dso, FILE fp)

size_t	dso__fprintf (struct dso dso, FILE fp)

enum dso_type	dso__type (struct dso dso, struct machine machine)

int	dso__strerror_load (struct dso dso, char buf, size_t buflen)

Variables
static const char *const	debuglink_paths []

struct {
const char * fmt

int(* decompress )(const char *input, int output)

}	compressions []

static long	dso__data_open_cnt

static pthread_mutex_t	dso__data_open_lock = PTHREAD_MUTEX_INITIALIZER

static rlim_t	fd_limit

Function Documentation

◆ dsofind_by_longname()

static struct dso* __dso__find_by_longname	(	struct rb_root *	root,
		const char *	name
	)

static

Definition at line 1098 of file dso.c.

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◆ dsofindlink_by_longname()

static struct dso* __dso__findlink_by_longname	(	struct rb_root *	root,
		struct dso *	dso,
		const char *	name
	)

static

Definition at line 1049 of file dso.c.

◆ dsosadd()

void __dsos__add	(	struct dsos *	dsos,
		struct dso *	dso
	)

Definition at line 1345 of file dso.c.

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◆ dsosaddnew()

struct dso* __dsos__addnew	(	struct dsos *	dsos,
		const char *	name
	)

Definition at line 1401 of file dso.c.

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◆ dsosfind()

struct dso* __dsos__find	(	struct dsos *	dsos,
		const char *	name,
		bool	cmp_short
	)

Definition at line 1379 of file dso.c.

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◆ dsosfindnew()

struct dso* __dsos__findnew	(	struct dsos *	dsos,
		const char *	name
	)

Definition at line 1414 of file dso.c.

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◆ dsosfprintf()

size_t __dsos__fprintf	(	struct list_head *	head,
		FILE *	fp
	)

Definition at line 1445 of file dso.c.

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◆ dsosfprintf_buildid()

size_t __dsos__fprintf_buildid	(	struct list_head *	head,
		FILE *	fp,
		bool(skip)(struct dso *dso, int parm)	,
		int	parm
	)

Definition at line 1430 of file dso.c.

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◆ dsosread_build_ids()

bool __dsos__read_build_ids	(	struct list_head *	head,
		bool	with_hits
	)

Definition at line 1320 of file dso.c.

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◆ __kmod_path__parse()

int __kmod_path__parse	(	struct kmod_path *	m,
		const char *	path,
		bool	alloc_name,
		bool	alloc_ext
	)

Definition at line 334 of file dso.c.

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◆ __open_dso()

static int __open_dso	(	struct dso *	dso,
		struct machine *	machine
	)

static

Definition at line 466 of file dso.c.

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◆ cached_read()

static ssize_t cached_read	(	struct dso *	dso,
		struct machine *	machine,
		u64	offset,
		u8 *	data,
		ssize_t	size
	)

static

Definition at line 874 of file dso.c.

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◆ check_data_close()

static void check_data_close ( void )

static

Definition at line 616 of file dso.c.

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◆ close_data_fd()

static void close_data_fd ( struct dso * dso )

static

Definition at line 539 of file dso.c.

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◆ close_dso()

static void close_dso ( struct dso * dso )

static

dso_close - Close DSO data file : dso object

Close 's data file descriptor and updates list/count of open DSO objects.

Definition at line 556 of file dso.c.

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◆ close_first_dso()

static void close_first_dso ( void )

static

Definition at line 561 of file dso.c.

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◆ data_file_size()

static int data_file_size	(	struct dso *	dso,
		struct machine *	machine
	)

static

Definition at line 903 of file dso.c.

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◆ data_read_offset()

static ssize_t data_read_offset	(	struct dso *	dso,
		struct machine *	machine,
		u64	offset,
		u8 *	data,
		ssize_t	size
	)

static

Definition at line 959 of file dso.c.

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◆ decompress_kmodule()

static int decompress_kmodule	(	struct dso *	dso,
		const char *	name,
		char *	tmpbuf
	)

static

Definition at line 260 of file dso.c.

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◆ decompress_to_file()

bool decompress_to_file	(	const char *	ext,
		const char *	filename,
		int	output_fd
	)

Definition at line 242 of file dso.c.

◆ do_open()

static int do_open ( char * name )

static

Definition at line 445 of file dso.c.

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◆ dso__build_id_equal()

bool dso__build_id_equal	(	const struct dso *	dso,
		u8 *	build_id
	)

Definition at line 1282 of file dso.c.

◆ dso__data_close()

void dso__data_close ( struct dso * dso )

dso__data_close - Close DSO data file : dso object

External interface to close 's data file descriptor.

Definition at line 630 of file dso.c.

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◆ dso__data_get_fd()

int dso__data_get_fd	(	struct dso *	dso,
		struct machine *	machine
	)

dso__data_get_fd - Get dso's data file descriptor : dso object : machine object

External interface to find dso's file, open it and returns file descriptor. It should be paired with dso__data_put_fd() if it returns non-negative value.

Definition at line 678 of file dso.c.

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◆ dso__data_put_fd()

void dso__data_put_fd ( struct dso *dso __maybe_unused )

Definition at line 694 of file dso.c.

◆ dso__data_read_addr()

ssize_t dso__data_read_addr	(	struct dso *	dso,
		struct map *	map,
		struct machine *	machine,
		u64	addr,
		u8 *	data,
		ssize_t	size
	)

dso__data_read_addr - Read data from dso address : dso object : machine object : virtual memory address : buffer to store data : size of the buffer

External interface to read data from dso address.

Definition at line 1005 of file dso.c.

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◆ dso__data_read_offset()

ssize_t dso__data_read_offset	(	struct dso *	dso,
		struct machine *	machine,
		u64	offset,
		u8 *	data,
		ssize_t	size
	)

dso__data_read_offset - Read data from dso file offset : dso object : machine object : file offset : buffer to store data : size of the buffer

External interface to read data from dso file offset. Open dso data file and use cached_read to get the data.

Definition at line 986 of file dso.c.

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◆ dso__data_size()

off_t dso__data_size	(	struct dso *	dso,
		struct machine *	machine
	)

dso__data_size - Return dso data size : dso object : machine object

Return: dso data size

Definition at line 950 of file dso.c.

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◆ dso__data_status_seen()

bool dso__data_status_seen	(	struct dso *	dso,
		enum dso_data_status_seen	by
	)

Definition at line 699 of file dso.c.

◆ dso__decompress_kmodule_fd()

int dso__decompress_kmodule_fd	(	struct dso *	dso,
		const char *	name
	)

Definition at line 291 of file dso.c.

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◆ dso__decompress_kmodule_path()

int dso__decompress_kmodule_path	(	struct dso *	dso,
		const char *	name,
		char *	pathname,
		size_t	len
	)

Definition at line 301 of file dso.c.

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◆ dso__delete()

void dso__delete ( struct dso * dso )

Definition at line 1232 of file dso.c.

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◆ dso__fprintf()

size_t dso__fprintf	(	struct dso *	dso,
		FILE *	fp
	)

Definition at line 1465 of file dso.c.

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◆ dso__fprintf_buildid()

size_t dso__fprintf_buildid	(	struct dso *	dso,
		FILE *	fp
	)

Definition at line 1457 of file dso.c.

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◆ dso__get()

struct dso* dso__get ( struct dso * dso )

Definition at line 1263 of file dso.c.

◆ dso__kernel_module_get_build_id()

int dso__kernel_module_get_build_id	(	struct dso *	dso,
		const char *	root_dir
	)

Definition at line 1299 of file dso.c.

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◆ dso__list_add()

static void dso__list_add ( struct dso * dso )

static

Definition at line 429 of file dso.c.

◆ dso__list_del()

static void dso__list_del ( struct dso * dso )

static

Definition at line 435 of file dso.c.

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◆ dso__loaded()

bool dso__loaded ( const struct dso * dso )

Definition at line 1181 of file dso.c.

◆ dso__name_len()

int dso__name_len ( const struct dso * dso )

Definition at line 1171 of file dso.c.

◆ dso__needs_decompress()

bool dso__needs_decompress ( struct dso * dso )

Definition at line 254 of file dso.c.

◆ dso__new()

struct dso* dso__new ( const char * name )

Definition at line 1196 of file dso.c.

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◆ dso__new_map()

struct map* dso__new_map ( const char * name )

Definition at line 1013 of file dso.c.

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◆ dso__put()

void dso__put ( struct dso * dso )

Definition at line 1270 of file dso.c.

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◆ dso__read_binary_type_filename()

int dso__read_binary_type_filename	(	const struct dso *	dso,
		enum dso_binary_type	type,
		char *	root_dir,
		char *	filename,
		size_t	size
	)

Definition at line 57 of file dso.c.

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◆ dso__read_running_kernel_build_id()

void dso__read_running_kernel_build_id	(	struct dso *	dso,
		struct machine *	machine
	)

Definition at line 1287 of file dso.c.

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◆ dso__set_basename()

static void dso__set_basename ( struct dso * dso )

static

Definition at line 1145 of file dso.c.

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◆ dso__set_build_id()

void dso__set_build_id	(	struct dso *	dso,
		void *	build_id
	)

Definition at line 1276 of file dso.c.

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◆ dso__set_long_name()

void dso__set_long_name	(	struct dso *	dso,
		const char *	name,
		bool	name_allocated
	)

Definition at line 1104 of file dso.c.

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◆ dso__set_module_info()

void dso__set_module_info	(	struct dso *	dso,
		struct kmod_path *	m,
		struct machine *	machine
	)

Definition at line 407 of file dso.c.

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◆ dso__set_short_name()

void dso__set_short_name	(	struct dso *	dso,
		const char *	name,
		bool	name_allocated
	)

Definition at line 1132 of file dso.c.

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◆ dso__set_sorted_by_name()

void dso__set_sorted_by_name ( struct dso * dso )

Definition at line 1191 of file dso.c.

◆ dso__sorted_by_name()

bool dso__sorted_by_name ( const struct dso * dso )

Definition at line 1186 of file dso.c.

◆ dso__strerror_load()

int dso__strerror_load	(	struct dso *	dso,
		char *	buf,
		size_t	buflen
	)

Definition at line 1497 of file dso.c.

◆ dso__symtab_origin()

char dso__symtab_origin ( const struct dso * dso )

Definition at line 30 of file dso.c.

◆ dso__type()

enum dso_type dso__type	(	struct dso *	dso,
		struct machine *	machine
	)

Definition at line 1483 of file dso.c.

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◆ dso_cache__find()

static struct dso_cache* dso_cache__find	(	struct dso *	dso,
		u64	offset
	)

static

Definition at line 729 of file dso.c.

◆ dso_cache__free()

static void dso_cache__free ( struct dso * dso )

static

Definition at line 712 of file dso.c.

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◆ dso_cache__insert()

static struct dso_cache* dso_cache__insert	(	struct dso *	dso,
		struct dso_cache *	new
	)

static

Definition at line 755 of file dso.c.

◆ dso_cache__memcpy()

static ssize_t dso_cache__memcpy	(	struct dso_cache *	cache,
		u64	offset,
		u8 *	data,
		u64	size
	)

static

Definition at line 789 of file dso.c.

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◆ dso_cache__read()

static ssize_t dso_cache__read	(	struct dso *	dso,
		struct machine *	machine,
		u64	offset,
		u8 *	data,
		ssize_t	size
	)

static

Definition at line 800 of file dso.c.

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◆ dso_cache_read()

static ssize_t dso_cache_read	(	struct dso *	dso,
		struct machine *	machine,
		u64	offset,
		u8 *	data,
		ssize_t	size
	)

static

Definition at line 857 of file dso.c.

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◆ dsos__add()

void dsos__add	(	struct dsos *	dsos,
		struct dso *	dso
	)

Definition at line 1372 of file dso.c.

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◆ dsos__find()

struct dso* dsos__find	(	struct dsos *	dsos,
		const char *	name,
		bool	cmp_short
	)

Definition at line 1392 of file dso.c.

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◆ dsos__findnew()

struct dso* dsos__findnew	(	struct dsos *	dsos,
		const char *	name
	)

Definition at line 1421 of file dso.c.

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◆ get_fd_limit()

static rlim_t get_fd_limit ( void )

static

Definition at line 569 of file dso.c.

◆ is_kernel_module()

bool is_kernel_module	(	const char *	pathname,
		int	cpumode
	)

Definition at line 216 of file dso.c.

◆ is_supported_compression()

bool is_supported_compression ( const char * ext )

Definition at line 205 of file dso.c.

◆ LIST_HEAD()

static LIST_HEAD ( dso__data_open )

static

◆ machine__findnew_kernel()

struct dso* machine__findnew_kernel	(	struct machine *	machine,
		const char *	name,
		const char *	short_name,
		int	dso_type
	)

Definition at line 1024 of file dso.c.

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◆ may_cache_fd()

static bool may_cache_fd ( void )

static

Definition at line 600 of file dso.c.

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◆ open_dso()

static int open_dso	(	struct dso *	dso,
		struct machine *	machine
	)

static

dso_close - Open DSO data file : dso object

Open 's data file descriptor and updates list/count of open DSO objects.

Definition at line 516 of file dso.c.

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◆ reset_fd_limit()

void reset_fd_limit ( void )

Definition at line 595 of file dso.c.

◆ try_to_open_dso()

static void try_to_open_dso	(	struct dso *	dso,
		struct machine *	machine
	)

static

Definition at line 637 of file dso.c.

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Variable Documentation

◆ compressions

const { ... } compressions[]

Initial value:

= {
    { NULL, NULL },
}

◆ debuglink_paths

const char* const debuglink_paths[]

static

Initial value:

= {
    "%.0s%s",
    "%s/%s",
    "%s/.debug/%s",
    "/usr/lib/debug%s/%s"
}

Definition at line 23 of file dso.c.

◆ decompress

int(* decompress) (const char *input, int output)

Definition at line 194 of file dso.c.

◆ dso__data_open_cnt

long dso__data_open_cnt

static

Definition at line 426 of file dso.c.

◆ dso__data_open_lock

pthread_mutex_t dso__data_open_lock = PTHREAD_MUTEX_INITIALIZER

static

Definition at line 427 of file dso.c.

◆ fd_limit

rlim_t fd_limit

static

Definition at line 588 of file dso.c.

◆ fmt

const char* fmt

Definition at line 193 of file dso.c.

Functions

Variables

Function Documentation

◆ __dso__find_by_longname()

◆ __dso__findlink_by_longname()

◆ __dsos__add()

◆ __dsos__addnew()

◆ __dsos__find()

◆ __dsos__findnew()

◆ __dsos__fprintf()

◆ __dsos__fprintf_buildid()

◆ __dsos__read_build_ids()

◆ __kmod_path__parse()

◆ __open_dso()

◆ cached_read()

◆ check_data_close()

◆ close_data_fd()

◆ close_dso()

◆ close_first_dso()

◆ data_file_size()

◆ data_read_offset()

◆ decompress_kmodule()

◆ decompress_to_file()

◆ do_open()

◆ dso__build_id_equal()

◆ dso__data_close()

◆ dso__data_get_fd()

◆ dso__data_put_fd()

◆ dso__data_read_addr()

◆ dso__data_read_offset()

◆ dso__data_size()

◆ dso__data_status_seen()

◆ dso__decompress_kmodule_fd()

◆ dso__decompress_kmodule_path()

◆ dso__delete()

◆ dso__fprintf()

◆ dso__fprintf_buildid()

◆ dso__get()

◆ dso__kernel_module_get_build_id()

◆ dso__list_add()

◆ dso__list_del()

◆ dso__loaded()

◆ dso__name_len()

◆ dso__needs_decompress()

◆ dso__new()

◆ dso__new_map()

◆ dso__put()

◆ dso__read_binary_type_filename()

◆ dso__read_running_kernel_build_id()

◆ dso__set_basename()

◆ dso__set_build_id()

◆ dso__set_long_name()

◆ dso__set_module_info()

◆ dso__set_short_name()

◆ dso__set_sorted_by_name()

◆ dso__sorted_by_name()

◆ dso__strerror_load()

◆ dso__symtab_origin()

◆ dso__type()

◆ dso_cache__find()

◆ dso_cache__free()

◆ dso_cache__insert()

◆ dso_cache__memcpy()

◆ dso_cache__read()

◆ dso_cache_read()

◆ dsos__add()

◆ dsos__find()

◆ dsos__findnew()

◆ get_fd_limit()

◆ is_kernel_module()

◆ is_supported_compression()

◆ LIST_HEAD()

◆ machine__findnew_kernel()

◆ may_cache_fd()

◆ open_dso()

◆ reset_fd_limit()

◆ try_to_open_dso()

Variable Documentation

◆ compressions

◆ debuglink_paths

◆ dsofind_by_longname()

◆ dsofindlink_by_longname()

◆ dsosadd()

◆ dsosaddnew()

◆ dsosfind()

◆ dsosfindnew()

◆ dsosfprintf()

◆ dsosfprintf_buildid()

◆ dsosread_build_ids()