C++ (Cpp) _dwarf_find_next_types_sectionの例

コード例 #1

ファイル: dwarf_cu.c プロジェクト: ryo/netbsd-src

int
dwarf_next_types_section(Dwarf_Debug dbg, Dwarf_Error *error)
{

    /* Free resource allocated for current .debug_types section. */
    _dwarf_type_unit_cleanup(dbg);
    dbg->dbg_types_loaded = 0;
    dbg->dbg_types_off = 0;

    /* Reset type unit pointer. */
    dbg->dbg_tu_current = NULL;

    /* Search for the next .debug_types section. */
    dbg->dbg_types_sec = _dwarf_find_next_types_section(dbg,
                         dbg->dbg_types_sec);

    if (dbg->dbg_types_sec == NULL) {
        DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
        return (DW_DLV_NO_ENTRY);
    }

    return (DW_DLV_OK);
}

コード例 #2

ファイル: libdwarf_init.c プロジェクト: emaste/elftoolchain

static int
_dwarf_consumer_init(Dwarf_Debug dbg, Dwarf_Error *error)
{
	const Dwarf_Obj_Access_Methods *m;
	Dwarf_Obj_Access_Section sec;
	void *obj;
	Dwarf_Unsigned cnt;
	Dwarf_Half i;
	int ret;

	assert(dbg != NULL);
	assert(dbg->dbg_iface != NULL);

	m = dbg->dbg_iface->methods;
	obj = dbg->dbg_iface->object;

	assert(m != NULL);
	assert(obj != NULL);

	if (m->get_byte_order(obj) == DW_OBJECT_MSB) {
		dbg->read = _dwarf_read_msb;
		dbg->write = _dwarf_write_msb;
		dbg->decode = _dwarf_decode_msb;
	} else {
		dbg->read = _dwarf_read_lsb;
		dbg->write = _dwarf_write_lsb;
		dbg->decode = _dwarf_decode_lsb;
	}

	dbg->dbg_pointer_size = m->get_pointer_size(obj);
	dbg->dbg_offset_size = m->get_length_size(obj);

	cnt = m->get_section_count(obj);

	if (cnt == 0) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_DEBUG_INFO_NULL);
		return (DW_DLE_DEBUG_INFO_NULL);
	}

	dbg->dbg_seccnt = cnt;

	if ((dbg->dbg_section = calloc(cnt + 1, sizeof(Dwarf_Section))) ==
	    NULL) {
		DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
		return (DW_DLE_MEMORY);
	}

	for (i = 0; i < cnt; i++) {
		if (m->get_section_info(obj, i, &sec, &ret) != DW_DLV_OK) {
			DWARF_SET_ERROR(dbg, error, ret);
			return (ret);
		}

		dbg->dbg_section[i].ds_addr = sec.addr;
		dbg->dbg_section[i].ds_size = sec.size;
		dbg->dbg_section[i].ds_name = sec.name;

		if (m->load_section(obj, i, &dbg->dbg_section[i].ds_data, &ret)
		    != DW_DLV_OK) {
			DWARF_SET_ERROR(dbg, error, ret);
			return (ret);
		}
	}
	dbg->dbg_section[cnt].ds_name = NULL;

	dbg->dbg_info_sec = _dwarf_find_section(dbg, ".debug_info");

	/* Try to find the optional DWARF4 .debug_types section. */
	dbg->dbg_types_sec = _dwarf_find_next_types_section(dbg, NULL);

	/* Initialise call frame API related parameters. */
	_dwarf_frame_params_init(dbg);

	return (DW_DLV_OK);
}