ltdl.c File Reference

#include "lt__private.h"
#include "lt_system.h"
#include "lt_dlloader.h"

Defines
#define	LTDL_SEARCHPATH_VAR   "LTDL_LIBRARY_PATH"
#define	LT_ARCHIVE_EXT   ".la"
#define	LT_LIBEXT   "a"
#define	LT_SYMBOL_LENGTH   128
#define	LT_SYMBOL_OVERHEAD   5
#define	LT_DLIS_RESIDENT(handle)   ((handle)->info.is_resident)
#define	LT_DLIS_SYMGLOBAL(handle)   ((handle)->info.is_symglobal)
#define	LT_DLIS_SYMLOCAL(handle)   ((handle)->info.is_symlocal)
#define	get_vtable   preopen_LTX_get_vtable
#define	preloaded_symbols   LT_CONC3(lt_, LTDLOPEN, _LTX_preloaded_symbols)
#define	STR_DLNAME   "dlname="
#define	STR_OLD_LIBRARY   "old_library="
#define	STR_LIBDIR   "libdir="
#define	STR_DL_DEPLIBS   "dependency_libs="
#define	STR_LIBRARY_NAMES   "library_names="
Typedefs
typedef int	foreach_callback_func (char *filename, void *data1, void *data2)
typedef int	file_worker_func (const char *filename, void *data)
Functions
void	lt__alloc_die_callback (void)
LT_BEGIN_C_DECLS LT_SCOPE const lt_dlvtable *	get_vtable (lt_user_data data)
LT_END_C_DECLS int	lt_dlinit (void)
int	lt_dlexit (void)
int	lt_dladvise_init (lt_dladvise *padvise)
int	lt_dladvise_destroy (lt_dladvise *padvise)
int	lt_dladvise_ext (lt_dladvise *padvise)
int	lt_dladvise_resident (lt_dladvise *padvise)
int	lt_dladvise_local (lt_dladvise *padvise)
int	lt_dladvise_global (lt_dladvise *padvise)
int	lt_dladvise_preload (lt_dladvise *padvise)
lt_dlhandle	lt_dlopen (const char *filename)
lt_dlhandle	lt_dlopenext (const char *filename)
lt_dlhandle	lt_dlopenadvise (const char *filename, lt_dladvise advise)
int	lt_dlforeachfile (const char *search_path, int(*func)(const char *filename, void *data), void *data)
int	lt_dlclose (lt_dlhandle handle)
void *	lt_dlsym (lt_dlhandle place, const char *symbol)
const char *	lt_dlerror (void)
int	lt_dladdsearchdir (const char *search_dir)
int	lt_dlinsertsearchdir (const char *before, const char *search_dir)
int	lt_dlsetsearchpath (const char *search_path)
const char *	lt_dlgetsearchpath (void)
int	lt_dlmakeresident (lt_dlhandle handle)
int	lt_dlisresident (lt_dlhandle handle)
lt_dlinterface_id	lt_dlinterface_register (const char *id_string, lt_dlhandle_interface *iface)
void	lt_dlinterface_free (lt_dlinterface_id key)
void *	lt_dlcaller_set_data (lt_dlinterface_id key, lt_dlhandle handle, void *data)
void *	lt_dlcaller_get_data (lt_dlinterface_id key, lt_dlhandle handle)
const lt_dlinfo *	lt_dlgetinfo (lt_dlhandle handle)
lt_dlhandle	lt_dlhandle_iterate (lt_dlinterface_id iface, lt_dlhandle place)
lt_dlhandle	lt_dlhandle_fetch (lt_dlinterface_id iface, const char *module_name)
int	lt_dlhandle_map (lt_dlinterface_id iface, int(*func)(lt_dlhandle handle, void *data), void *data)

---

Define Documentation

#define get_vtable   preopen_LTX_get_vtable

#define LT_ARCHIVE_EXT   ".la"

#define LT_DLIS_RESIDENT

(

handle

)

((handle)->info.is_resident)

Referenced by lt_dlclose(), lt_dlexit(), and lt_dlisresident().

#define LT_DLIS_SYMGLOBAL

(

handle

)

((handle)->info.is_symglobal)

#define LT_DLIS_SYMLOCAL

(

handle

)

((handle)->info.is_symlocal)

#define LT_LIBEXT   "a"

#define LT_SYMBOL_LENGTH   128

Referenced by lt_dlsym().

#define LT_SYMBOL_OVERHEAD   5

Referenced by lt_dlsym().

#define LTDL_SEARCHPATH_VAR   "LTDL_LIBRARY_PATH"

Referenced by lt_dlforeachfile().

#define preloaded_symbols   LT_CONC3(lt_, LTDLOPEN, _LTX_preloaded_symbols)

#define STR_DL_DEPLIBS   "dependency_libs="

#define STR_DLNAME   "dlname="

#define STR_LIBDIR   "libdir="

#define STR_LIBRARY_NAMES   "library_names="

#define STR_OLD_LIBRARY   "old_library="

---

Typedef Documentation

typedef int file_worker_func(const char *filename, void *data)

typedef int foreach_callback_func(char *filename, void *data1, void *data2)

---

Function Documentation

LT_BEGIN_C_DECLS LT_SCOPE const lt_dlvtable* get_vtable

(

lt_user_data

data

)

References lt_dlvtable::dlloader_data, lt_dlvtable::dlloader_exit, lt_dlvtable::dlloader_init, lt_dlvtable::find_sym, LT__SETERROR, lt__zalloc(), lt_dlinterface_register(), lt_dlvtable::module_close, lt_dlvtable::module_open, lt_dlvtable::name, lt_dlvtable::priority, and lt_dlvtable::sym_prefix.

void lt__alloc_die_callback

(

void

)

References LT__SETERROR.

int lt_dladdsearchdir

(

const char *

search_dir

)

int lt_dladvise_destroy

(

lt_dladvise *

padvise

)

References FREE.

Referenced by lt_dlopenext().

int lt_dladvise_ext

(

lt_dladvise *

padvise

)

Referenced by lt_dlopenext().

int lt_dladvise_global

(

lt_dladvise *

padvise

)

int lt_dladvise_init

(

lt_dladvise *

padvise

)

References lt__zalloc().

Referenced by lt_dlopenext().

int lt_dladvise_local

(

lt_dladvise *

padvise

)

int lt_dladvise_preload

(

lt_dladvise *

padvise

)

int lt_dladvise_resident

(

lt_dladvise *

padvise

)

void* lt_dlcaller_get_data	(	lt_dlinterface_id	key,
		lt_dlhandle	handle
	)

References lt_interface_data::data, lt__handle::interface_data, and lt_interface_data::key.

void* lt_dlcaller_set_data	(	lt_dlinterface_id	key,
		lt_dlhandle	handle,
		void *	data
	)

References lt_interface_data::data, lt__handle::interface_data, lt_interface_data::key, and REALLOC.

int lt_dlclose

(

lt_dlhandle

handle

)

References lt_dlvtable::dlloader_data, lt_dlinfo::filename, FREE, lt__handle::info, lt__handle::interface_data, LT__SETERROR, LT_DLIS_RESIDENT, lt__handle::module, lt_dlvtable::module_close, lt_dlinfo::name, lt__handle::next, lt_dlinfo::ref_count, and lt__handle::vtable.

Referenced by lt_dlexit().

const char* lt_dlerror

(

void

)

References LT__GETERROR, and LT__SETERRORSTR.

Referenced by gnash::SharedLib::openLib(), and gnash::SharedLib::SharedLib().

int lt_dlexit

(

void

)

References FREE, lt__handle::info, LT__GETERROR, LT__SETERROR, LT__SETERRORSTR, lt_dlclose(), LT_DLIS_RESIDENT, lt_dlloader, lt_dlloader_get(), lt_dlloader_next(), lt_dlloader_remove(), lt_dlvtable::name, lt__handle::next, and lt_dlinfo::ref_count.

int lt_dlforeachfile	(	const char *	search_path,
		int(*)(const char *filename, void *data)	func,
		void *	data
	)

References LT_MODULE_PATH_VAR, and LTDL_SEARCHPATH_VAR.

const lt_dlinfo* lt_dlgetinfo

(

lt_dlhandle

handle

)

References lt__handle::info, and LT__SETERROR.

const char* lt_dlgetsearchpath

(

void

)

lt_dlhandle lt_dlhandle_fetch	(	lt_dlinterface_id	iface,
		const char *	module_name
	)

References lt__handle::info, lt_dlhandle_iterate(), lt_dlinfo::name, and streq.

lt_dlhandle lt_dlhandle_iterate	(	lt_dlinterface_id	iface,
		lt_dlhandle	place
	)

References lt__handle::next.

Referenced by lt_dlhandle_fetch(), and lt_dlloader_remove().

int lt_dlhandle_map	(	lt_dlinterface_id	iface,
		int(*)(lt_dlhandle handle, void *data)	func,
		void *	data
	)

References lt__handle::next.

LT_END_C_DECLS int lt_dlinit

(

void

)

References get_vtable, lt__alloc_die, lt_dlpreload(), lt_dlpreload_open(), and LT_STR.

Referenced by gnash::SharedLib::SharedLib().

int lt_dlinsertsearchdir	(	const char *	before,
		const char *	search_dir
	)

References LT__SETERROR, and LT_STRLEN.

void lt_dlinterface_free

(

lt_dlinterface_id

key

)

References FREE.

Referenced by lt_dlloader_remove().

lt_dlinterface_id lt_dlinterface_register	(	const char *	id_string,
		lt_dlhandle_interface *	iface
	)

References FREE, lt__malloc(), and lt__strdup().

Referenced by get_vtable(), and lt_dlloader_remove().

int lt_dlisresident

(

lt_dlhandle

handle

)

References LT__SETERROR, and LT_DLIS_RESIDENT.

Referenced by lt_dlloader_remove().

int lt_dlmakeresident

(

lt_dlhandle

handle

)

References lt__handle::info, lt_dlinfo::is_resident, and LT__SETERROR.

Referenced by gnash::SharedLib::openLib().

lt_dlhandle lt_dlopen

(

const char *

filename

)

References lt_dlopenadvise().

Referenced by lt_dlpreload_open().

lt_dlhandle lt_dlopenadvise	(	const char *	filename,
		lt_dladvise	advise
	)

References lt__advise::is_symglobal, lt__advise::is_symlocal, LT__GETERROR, LT__SETERROR, LT__SETERRORSTR, and lt__advise::try_ext.

Referenced by lt_dlopen(), and lt_dlopenext().

lt_dlhandle lt_dlopenext

(

const char *

filename

)

References lt_dladvise_destroy(), lt_dladvise_ext(), lt_dladvise_init(), and lt_dlopenadvise().

Referenced by gnash::SharedLib::openLib().

int lt_dlsetsearchpath

(

const char *

search_path

)

References FREE, and LT_STRLEN.

Referenced by gnash::Extension::Extension(), cygnal::Handler::initModule(), and gnash::Extension::scanAndLoad().

void* lt_dlsym	(	lt_dlhandle	place,
		const char *	symbol
	)

References lt_dlvtable::dlloader_data, lt_dlvtable::find_sym, FREE, lt__handle::info, LT__GETERROR, LT__SETERROR, LT__SETERRORSTR, LT_STRLEN, LT_SYMBOL_LENGTH, LT_SYMBOL_OVERHEAD, MALLOC, lt__handle::module, lt_dlinfo::name, lt_dlvtable::sym_prefix, and lt__handle::vtable.

Referenced by gnash::SharedLib::getDllSymbol(), and gnash::SharedLib::getInitEntry().