Visibility hidden by default

[babeltrace.git] / include / babeltrace2 / plugin / plugin-dev.h

diff --git a/include/babeltrace2/plugin/plugin-dev.h b/include/babeltrace2/plugin/plugin-dev.h
index 1b1a8916825fd63fb31a2a80d7ab1fba7f770e05..7a862c05bb47071c6faa325a28958c6d798447f3 100644 (file)
--- a/include/babeltrace2/plugin/plugin-dev.h
+++ b/include/babeltrace2/plugin/plugin-dev.h
@@ -18,14 +18,12 @@
 #include <babeltrace2/types.h>
 
 /*
- * _BT_HIDDEN: set the hidden attribute for internal functions
- * On Windows, symbols are local unless explicitly exported,
- * see https://gcc.gnu.org/wiki/Visibility
+ * _BT_EXPORT: set the visibility for exported functions.
  */
 #if defined(_WIN32) || defined(__CYGWIN__)
-#define _BT_HIDDEN
+#define _BT_EXPORT
 #else
-#define _BT_HIDDEN __attribute__((visibility("hidden")))
+#define _BT_EXPORT __attribute__((visibility("default")))
 #endif
 
 #ifdef __cplusplus
@@ -321,50 +319,50 @@ other <code>BT_PLUGIN*()</code> macro.
 */
 #define BT_PLUGIN_MODULE() \
        static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_dummy __BT_PLUGIN_DESCRIPTOR_ATTRS = NULL; \
-       _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
-       _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_END_EXTRA; \
+       extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
+       extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_END_EXTRA; \
        \
        static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_dummy __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
-       _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
-       _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
+       extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
+       extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
        \
        static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_component_class_descriptor_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = NULL; \
-       _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA; \
-       _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA; \
+       extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA; \
+       extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA; \
        \
        static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_component_class_descriptor_attribute_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
-       _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
-       _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
+       extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
+       extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
        \
-       struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void) \
+       _BT_EXPORT struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void) \
        { \
                return &__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL; \
        } \
-       struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void) \
+       _BT_EXPORT struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void) \
        { \
                return &__BT_PLUGIN_DESCRIPTOR_END_SYMBOL; \
        } \
-       struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void) \
+       _BT_EXPORT struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void) \
        { \
                return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
        } \
-       struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void) \
+       _BT_EXPORT struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void) \
        { \
                return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
        } \
-       struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void) \
+       _BT_EXPORT struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void) \
        { \
                return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL; \
        } \
-       struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void) \
+       _BT_EXPORT struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void) \
        { \
                return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL; \
        } \
-       struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void) \
+       _BT_EXPORT struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void) \
        { \
                return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
        } \
-       struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void) \
+       _BT_EXPORT struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void) \
        { \
                return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
        }
@@ -1258,7 +1256,7 @@ method.
 @bt_pre_not_null{_method}
 */
 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _plugin_id, _component_class_id, source, _method)
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD, _plugin_id, _component_class_id, source, _method)
 
 /*!
 @brief
@@ -1711,7 +1709,7 @@ method.
 @bt_pre_not_null{_method}
 */
 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _plugin_id, _component_class_id, filter, _method)
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD, _plugin_id, _component_class_id, filter, _method)
 
 /*!
 @brief
@@ -2211,7 +2209,7 @@ method.
 @bt_pre_not_null{_method}
 */
 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
-       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _plugin_id, _component_class_id, sink, _method)
+       __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD, _plugin_id, _component_class_id, sink, _method)
 
 /*!
 @brief