GIF89a;
EcchiShell v1.0
/
/
proc/
self/
root/
usr/
share/
libtool/
name)
{
vtable->name = "lt_dlopen";
#if defined(DLSYM_USCORE)
vtable->sym_prefix = "_";
#endif
vtable->module_open = vm_open;
vtable->module_close = vm_close;
vtable->find_sym = vm_sym;
vtable->dlloader_exit = vl_exit;
vtable->dlloader_data = loader_data;
vtable->priority = LT_DLLOADER_PREPEND;
}
if (vtable && (vtable->dlloader_data != loader_data))
{
LT__SETERROR (INIT_LOADER);
return 0;
}
return vtable;
}
/* --- IMPLEMENTATION --- */
#if defined(HAVE_DLFCN_H)
# include
#endif
#if defined(HAVE_SYS_DL_H)
# include
#endif
/* We may have to define LT_LAZY_OR_NOW in the command line if we
find out it does not work in some platform. */
#if !defined(LT_LAZY_OR_NOW)
# if defined(RTLD_LAZY)
# define LT_LAZY_OR_NOW RTLD_LAZY
# else
# if defined(DL_LAZY)
# define LT_LAZY_OR_NOW DL_LAZY
# endif
# endif /* !RTLD_LAZY */
#endif
#if !defined(LT_LAZY_OR_NOW)
# if defined(RTLD_NOW)
# define LT_LAZY_OR_NOW RTLD_NOW
# else
# if defined(DL_NOW)
# define LT_LAZY_OR_NOW DL_NOW
# endif
# endif /* !RTLD_NOW */
#endif
#if !defined(LT_LAZY_OR_NOW)
# define LT_LAZY_OR_NOW 0
#endif /* !LT_LAZY_OR_NOW */
/* We only support local and global symbols from modules for loaders
that provide such a thing, otherwise the system default is used. */
#if !defined(RTLD_GLOBAL)
# if defined(DL_GLOBAL)
# define RTLD_GLOBAL DL_GLOBAL
# endif
#endif /* !RTLD_GLOBAL */
#if !defined(RTLD_LOCAL)
# if defined(DL_LOCAL)
# define RTLD_LOCAL DL_LOCAL
# endif
#endif /* !RTLD_LOCAL */
#if defined(HAVE_DLERROR)
# define DLERROR(arg) dlerror ()
#else
# define DLERROR(arg) LT__STRERROR (arg)
#endif
#define DL__SETERROR(errorcode) \
LT__SETERRORSTR (DLERROR (errorcode))
/* A function called through the vtable when this loader is no
longer needed by the application. */
static int
vl_exit (lt_user_data LT__UNUSED loader_data)
{
vtable = NULL;
return 0;
}
/* A function called through the vtable to open a module with this
loader. Returns an opaque representation of the newly opened
module for processing with this loader's other vtable functions. */
static lt_module
vm_open (lt_user_data LT__UNUSED loader_data, const char *filename,
lt_dladvise advise)
{
int module_flags = LT_LAZY_OR_NOW;
lt_module module;
if (advise)
{
#ifdef RTLD_GLOBAL
/* If there is some means of asking for global symbol resolution,
do so. */
if (advise->is_symglobal)
module_flags |= RTLD_GLOBAL;
#else
/* Otherwise, reset that bit so the caller can tell it wasn't
acted on. */
advise->is_symglobal = 0;
#endif
/* And similarly for local only symbol resolution. */
#ifdef RTLD_LOCAL
if (advise->is_symlocal)
module_flags |= RTLD_LOCAL;
#else
advise->is_symlocal = 0;
#endif
}
module = dlopen (filename, module_flags);
if (!module)
{
DL__SETERROR (CANNOT_OPEN);
}
return module;
}
/* A function called through the vtable when a particular module
should be unloaded. */
static int
vm_close (lt_user_data LT__UNUSED loader_data, lt_module module)
{
int errors = 0;
if (dlclose (module) != 0)
{
DL__SETERROR (CANNOT_CLOSE);
++errors;
}
return errors;
}
/* A function called through the vtable to get the address of
a symbol loaded from a particular module. */
static void *
vm_sym (lt_user_data LT__UNUSED loader_data, lt_module module, const char *name)
{
void *address = dlsym (module, name);
if (!address)
{
DL__SETERROR (SYMBOL_NOT_FOUND);
}
return address;
}