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modffi: Add .addr() method to just get symbol address.

stackless
Paul Sokolovsky 2015-02-06 00:18:11 +02:00
parent d6f648d04f
commit 8775caf9f1
2 changed files with 14 additions and 0 deletions
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13
unix/modffi.c
View File

@ -274,6 +274,18 @@ STATIC mp_obj_t ffimod_var(mp_obj_t self_in, mp_obj_t vartype_in, mp_obj_t symna
}
MP_DEFINE_CONST_FUN_OBJ_3(ffimod_var_obj, ffimod_var);
STATIC mp_obj_t ffimod_addr(mp_obj_t self_in, mp_obj_t symname_in) {
mp_obj_ffimod_t *self = self_in;
const char *symname = mp_obj_str_get_str(symname_in);
void *sym = dlsym(self->handle, symname);
if (sym == NULL) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(errno)));
}
return mp_obj_new_int((mp_int_t)sym);
}
MP_DEFINE_CONST_FUN_OBJ_2(ffimod_addr_obj, ffimod_addr);
STATIC mp_obj_t ffimod_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
(void)n_args;
(void)n_kw;
@ -296,6 +308,7 @@ STATIC mp_obj_t ffimod_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_
STATIC const mp_map_elem_t ffimod_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_func), (mp_obj_t) &ffimod_func_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_var), (mp_obj_t) &ffimod_var_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_addr), (mp_obj_t) &ffimod_addr_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_close), (mp_obj_t) &ffimod_close_obj },
};

1
unix/qstrdefsport.h
View File

@ -46,6 +46,7 @@ Q(fficallback)
Q(ffivar)
Q(as_bytearray)
Q(callback)
Q(addr)
Q(func)
Q(var)
Q(get)