#define PLUGIN_SUFFIX_LEN max_t(size_t, sizeof(NATIVE_PLUGIN_SUFFIX), \
sizeof(LIBTOOL_PLUGIN_SUFFIX))
-#define SECTION_BEGIN(_name) (&(__start_##_name))
-#define SECTION_END(_name) (&(__stop_##_name))
-#define SECTION_ELEMENT_COUNT(_name) (SECTION_END(_name) - SECTION_BEGIN(_name))
-
-#define DECLARE_SECTION(_type, _name) \
- extern _type __start_##_name __attribute((weak)); \
- extern _type __stop_##_name __attribute((weak))
-
-DECLARE_SECTION(struct __bt_plugin_descriptor const *, __bt_plugin_descriptors);
-DECLARE_SECTION(struct __bt_plugin_descriptor_attribute const *, __bt_plugin_descriptor_attributes);
-DECLARE_SECTION(struct __bt_plugin_component_class_descriptor const *, __bt_plugin_component_class_descriptors);
-DECLARE_SECTION(struct __bt_plugin_component_class_descriptor_attribute const *, __bt_plugin_component_class_descriptor_attributes);
+BT_PLUGIN_MODULE();
/*
* This list, global to the library, keeps all component classes that
const struct __bt_plugin_descriptor_attribute *cur_attr =
*cur_attr_ptr;
+ if (cur_attr == NULL) {
+ continue;
+ }
+
if (cur_attr->plugin_descriptor != descriptor) {
continue;
}
*cur_cc_descr_ptr;
struct comp_class_full_descriptor full_descriptor = {0};
+ if (cur_cc_descr == NULL) {
+ continue;
+ }
+
if (cur_cc_descr->plugin_descriptor != descriptor) {
continue;
}
const struct __bt_plugin_component_class_descriptor_attribute *cur_cc_descr_attr =
*cur_cc_descr_attr_ptr;
+ if (cur_cc_descr_attr == NULL) {
+ continue;
+ }
+
if (cur_cc_descr_attr->comp_class_descriptor->plugin_descriptor !=
descriptor) {
continue;
return plugin;
}
+static
+size_t count_non_null_items_in_section(const void *begin, const void *end)
+{
+ size_t count = 0;
+ const int * const *begin_int = (const int * const *) begin;
+ const int * const *end_int = (const int * const *) end;
+ const int * const *iter;
+
+ for (iter = begin_int; iter != end_int; iter++) {
+ if (*iter) {
+ count++;
+ }
+ }
+
+ return count;
+}
+
static
struct bt_plugin_set *bt_plugin_so_create_all_from_sections(
struct bt_plugin_so_shared_lib_handle *shared_lib_handle,
size_t i;
struct bt_plugin_set *plugin_set = NULL;
- descriptor_count = descriptors_end - descriptors_begin;
- attrs_count = attrs_end - attrs_begin;
- cc_descriptors_count = cc_descriptors_end - cc_descriptors_begin;
- cc_descr_attrs_count = cc_descr_attrs_end - cc_descr_attrs_begin;
+ descriptor_count = count_non_null_items_in_section(descriptors_begin, descriptors_end);
+ attrs_count = count_non_null_items_in_section(attrs_begin, attrs_end);
+ cc_descriptors_count = count_non_null_items_in_section(cc_descriptors_begin, cc_descriptors_end);
+ cc_descr_attrs_count = count_non_null_items_in_section(cc_descr_attrs_begin, cc_descr_attrs_end);
BT_LOGD("Creating all SO plugins from sections: "
"plugin-path=\"%s\", "
goto error;
}
- for (i = 0; i < descriptor_count; i++) {
+ for (i = 0; i < descriptors_end - descriptors_begin; i++) {
enum bt_plugin_status status;
const struct __bt_plugin_descriptor *descriptor =
descriptors_begin[i];
struct bt_plugin *plugin;
+ if (descriptor == NULL) {
+ continue;
+ }
+
BT_LOGD("Creating plugin object for plugin: "
"name=\"%s\", abi-major=%d, abi-minor=%d",
descriptor->name, descriptor->major, descriptor->minor);
BT_LOGD_STR("Creating all SO plugins from built-in plugins.");
plugin_set = bt_plugin_so_create_all_from_sections(shared_lib_handle,
- SECTION_BEGIN(__bt_plugin_descriptors),
- SECTION_END(__bt_plugin_descriptors),
- SECTION_BEGIN(__bt_plugin_descriptor_attributes),
- SECTION_END(__bt_plugin_descriptor_attributes),
- SECTION_BEGIN(__bt_plugin_component_class_descriptors),
- SECTION_END(__bt_plugin_component_class_descriptors),
- SECTION_BEGIN(__bt_plugin_component_class_descriptor_attributes),
- SECTION_END(__bt_plugin_component_class_descriptor_attributes));
+ __bt_get_begin_section_plugin_descriptors(),
+ __bt_get_end_section_plugin_descriptors(),
+ __bt_get_begin_section_plugin_descriptor_attributes(),
+ __bt_get_end_section_plugin_descriptor_attributes(),
+ __bt_get_begin_section_component_class_descriptors(),
+ __bt_get_end_section_component_class_descriptors(),
+ __bt_get_begin_section_component_class_descriptor_attributes(),
+ __bt_get_end_section_component_class_descriptor_attributes());
end:
BT_PUT(shared_lib_handle);
struct __bt_plugin_component_class_descriptor const * const *cc_descriptors_end = NULL;
struct __bt_plugin_component_class_descriptor_attribute const * const *cc_descr_attrs_begin = NULL;
struct __bt_plugin_component_class_descriptor_attribute const * const *cc_descr_attrs_end = NULL;
+ struct __bt_plugin_descriptor const * const *(*get_begin_section_plugin_descriptors)(void);
+ struct __bt_plugin_descriptor const * const *(*get_end_section_plugin_descriptors)(void);
+ struct __bt_plugin_descriptor_attribute const * const *(*get_begin_section_plugin_descriptor_attributes)(void);
+ struct __bt_plugin_descriptor_attribute const * const *(*get_end_section_plugin_descriptor_attributes)(void);
+ struct __bt_plugin_component_class_descriptor const * const *(*get_begin_section_component_class_descriptors)(void);
+ struct __bt_plugin_component_class_descriptor const * const *(*get_end_section_component_class_descriptors)(void);
+ struct __bt_plugin_component_class_descriptor_attribute const * const *(*get_begin_section_component_class_descriptor_attributes)(void);
+ struct __bt_plugin_component_class_descriptor_attribute const * const *(*get_end_section_component_class_descriptor_attributes)(void);
bt_bool is_libtool_wrapper = BT_FALSE, is_shared_object = BT_FALSE;
struct bt_plugin_so_shared_lib_handle *shared_lib_handle = NULL;
goto end;
}
- if (!g_module_symbol(shared_lib_handle->module, "__start___bt_plugin_descriptors",
- (gpointer *) &descriptors_begin)) {
+ if (g_module_symbol(shared_lib_handle->module, "__bt_get_begin_section_plugin_descriptors",
+ (gpointer *) &get_begin_section_plugin_descriptors)) {
+ descriptors_begin = get_begin_section_plugin_descriptors();
+ } else {
BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", "
"symbol=\"%s\"", path,
- "__start___bt_plugin_descriptors");
+ "__bt_get_begin_section_plugin_descriptors");
goto end;
}
- if (!g_module_symbol(shared_lib_handle->module, "__stop___bt_plugin_descriptors",
- (gpointer *) &descriptors_end)) {
+ if (g_module_symbol(shared_lib_handle->module, "__bt_get_end_section_plugin_descriptors",
+ (gpointer *) &get_end_section_plugin_descriptors)) {
+ descriptors_end = get_end_section_plugin_descriptors();
+ } else {
BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", "
"symbol=\"%s\"", path,
- "__stop___bt_plugin_descriptors");
+ "__bt_get_end_section_plugin_descriptors");
goto end;
}
- if (!g_module_symbol(shared_lib_handle->module, "__start___bt_plugin_descriptor_attributes",
- (gpointer *) &attrs_begin)) {
+ if (g_module_symbol(shared_lib_handle->module, "__bt_get_begin_section_plugin_descriptor_attributes",
+ (gpointer *) &get_begin_section_plugin_descriptor_attributes)) {
+ attrs_begin = get_begin_section_plugin_descriptor_attributes();
+ } else {
BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", "
"symbol=\"%s\"", path,
- "__start___bt_plugin_descriptor_attributes");
+ "__bt_get_begin_section_plugin_descriptor_attributes");
}
- if (!g_module_symbol(shared_lib_handle->module, "__stop___bt_plugin_descriptor_attributes",
- (gpointer *) &attrs_end)) {
+ if (g_module_symbol(shared_lib_handle->module, "__bt_get_end_section_plugin_descriptor_attributes",
+ (gpointer *) &get_end_section_plugin_descriptor_attributes)) {
+ attrs_end = get_end_section_plugin_descriptor_attributes();
+ } else {
BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", "
"symbol=\"%s\"", path,
- "__stop___bt_plugin_descriptor_attributes");
+ "__bt_get_end_section_plugin_descriptor_attributes");
}
if ((!!attrs_begin - !!attrs_end) != 0) {
"path=\"%s\", symbol-start=\"%s\", "
"symbol-end=\"%s\", symbol-start-addr=%p, "
"symbol-end-addr=%p",
- path, "__start___bt_plugin_descriptor_attributes",
- "__stop___bt_plugin_descriptor_attributes",
+ path, "__bt_get_begin_section_plugin_descriptor_attributes",
+ "__bt_get_end_section_plugin_descriptor_attributes",
attrs_begin, attrs_end);
goto end;
}
- if (!g_module_symbol(shared_lib_handle->module, "__start___bt_plugin_component_class_descriptors",
- (gpointer *) &cc_descriptors_begin)) {
+ if (g_module_symbol(shared_lib_handle->module, "__bt_get_begin_section_component_class_descriptors",
+ (gpointer *) &get_begin_section_component_class_descriptors)) {
+ cc_descriptors_begin = get_begin_section_component_class_descriptors();
+ } else {
BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", "
"symbol=\"%s\"", path,
- "__start___bt_plugin_component_class_descriptors");
+ "__bt_get_begin_section_component_class_descriptors");
}
- if (!g_module_symbol(shared_lib_handle->module, "__stop___bt_plugin_component_class_descriptors",
- (gpointer *) &cc_descriptors_end)) {
+ if (g_module_symbol(shared_lib_handle->module, "__bt_get_end_section_component_class_descriptors",
+ (gpointer *) &get_end_section_component_class_descriptors)) {
+ cc_descriptors_end = get_end_section_component_class_descriptors();
+ } else {
BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", "
"symbol=\"%s\"", path,
- "__stop___bt_plugin_component_class_descriptors");
+ "__bt_get_end_section_component_class_descriptors");
}
if ((!!cc_descriptors_begin - !!cc_descriptors_end) != 0) {
"path=\"%s\", symbol-start=\"%s\", "
"symbol-end=\"%s\", symbol-start-addr=%p, "
"symbol-end-addr=%p",
- path, "__start___bt_plugin_component_class_descriptors",
- "__stop___bt_plugin_component_class_descriptors",
+ path, "__bt_get_begin_section_component_class_descriptors",
+ "__bt_get_end_section_component_class_descriptors",
cc_descriptors_begin, cc_descriptors_end);
goto end;
}
- if (!g_module_symbol(shared_lib_handle->module, "__start___bt_plugin_component_class_descriptor_attributes",
- (gpointer *) &cc_descr_attrs_begin)) {
+ if (g_module_symbol(shared_lib_handle->module, "__bt_get_begin_section_component_class_descriptor_attributes",
+ (gpointer *) &get_begin_section_component_class_descriptor_attributes)) {
+ cc_descr_attrs_begin = get_begin_section_component_class_descriptor_attributes();
+ } else {
BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", "
"symbol=\"%s\"", path,
- "__start___bt_plugin_component_class_descriptor_attributes");
+ "__bt_get_begin_section_component_class_descriptor_attributes");
}
- if (!g_module_symbol(shared_lib_handle->module, "__stop___bt_plugin_component_class_descriptor_attributes",
- (gpointer *) &cc_descr_attrs_end)) {
+ if (g_module_symbol(shared_lib_handle->module, "__bt_get_end_section_component_class_descriptor_attributes",
+ (gpointer *) &get_end_section_component_class_descriptor_attributes)) {
+ cc_descr_attrs_end = get_end_section_component_class_descriptor_attributes();
+ } else {
BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", "
"symbol=\"%s\"", path,
- "__stop___bt_plugin_component_class_descriptor_attributes");
+ "__bt_get_end_section_component_class_descriptor_attributes");
}
if ((!!cc_descr_attrs_begin - !!cc_descr_attrs_end) != 0) {
"path=\"%s\", symbol-start=\"%s\", "
"symbol-end=\"%s\", symbol-start-addr=%p, "
"symbol-end-addr=%p",
- path, "__start___bt_plugin_component_class_descriptor_attributes",
- "__stop___bt_plugin_component_class_descriptor_attributes",
+ path, "__bt_get_begin_section_component_class_descriptor_attributes",
+ "__bt_get_end_section_component_class_descriptor_attributes",
cc_descr_attrs_begin, cc_descr_attrs_end);
goto end;
}
projects / babeltrace.git / blobdiff