Move to kernel style SPDX license identifiers
[babeltrace.git] / include / babeltrace2 / plugin / plugin-dev.h
index 713725366f9ca9034a0dbb31f4118c84d463357f..1b1a8916825fd63fb31a2a80d7ab1fba7f770e05 100644 (file)
@@ -1,28 +1,12 @@
-#ifndef BABELTRACE2_PLUGIN_PLUGIN_DEV_H
-#define BABELTRACE2_PLUGIN_PLUGIN_DEV_H
-
 /*
- * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * SPDX-License-Identifier: MIT
  *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Copyright (C) 2010-2019 EfficiOS Inc. and Linux Foundation
  */
 
+#ifndef BABELTRACE2_PLUGIN_PLUGIN_DEV_H
+#define BABELTRACE2_PLUGIN_PLUGIN_DEV_H
+
 #ifndef __BT_IN_BABELTRACE_H
 # error "Please include <babeltrace2/babeltrace.h> instead."
 #endif
@@ -464,7 +448,6 @@ See the \ref api-comp-cls-prop-descr "description" property.
 */
 #define BT_PLUGIN_DESCRIPTION(_description)    BT_PLUGIN_DESCRIPTION_WITH_ID(auto, _description)
 
-
 /*!
 @brief
     Sets the name(s) of the author(s) of the plugin having the ID
@@ -2660,13 +2643,31 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
        };                                                              \
        static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_component_class_id##_##_attr_name##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = &__bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_component_class_id##_##_attr_name
 
+/*
+ * Clang supports the no_sanitize variable attribute on global variables.
+ * GCC only supports the no_sanitize_address function attribute, which is
+ * not what we need. This is fine because, as far as we have seen, gcc
+ * does not insert red zones around global variables.
+ */
+#if defined(__clang__)
+# if __has_feature(address_sanitizer)
+#  define __bt_plugin_variable_attribute_no_sanitize_address \
+       __attribute__((no_sanitize("address")))
+# else
+#  define __bt_plugin_variable_attribute_no_sanitize_address
+# endif
+#else
+#  define __bt_plugin_variable_attribute_no_sanitize_address
+#endif
+
 /*
  * Variable attributes for a plugin descriptor pointer to be added to
  * the plugin descriptor section (internal use).
  */
 #ifdef __APPLE__
 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
-       __attribute__((section("__DATA,btp_desc"), used))
+       __attribute__((section("__DATA,btp_desc"), used)) \
+       __bt_plugin_variable_attribute_no_sanitize_address
 
 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
        __start___bt_plugin_descriptors
@@ -2683,7 +2684,8 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
 #else
 
 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
-       __attribute__((section("__bt_plugin_descriptors"), used))
+       __attribute__((section("__bt_plugin_descriptors"), used)) \
+       __bt_plugin_variable_attribute_no_sanitize_address
 
 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
        __start___bt_plugin_descriptors
@@ -2702,7 +2704,8 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
  */
 #ifdef __APPLE__
 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
-       __attribute__((section("__DATA,btp_desc_att"), used))
+       __attribute__((section("__DATA,btp_desc_att"), used)) \
+       __bt_plugin_variable_attribute_no_sanitize_address
 
 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
        __start___bt_plugin_descriptor_attributes
@@ -2719,7 +2722,8 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
 #else
 
 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
-       __attribute__((section("__bt_plugin_descriptor_attributes"), used))
+       __attribute__((section("__bt_plugin_descriptor_attributes"), used)) \
+       __bt_plugin_variable_attribute_no_sanitize_address
 
 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
        __start___bt_plugin_descriptor_attributes
@@ -2738,7 +2742,8 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
  */
 #ifdef __APPLE__
 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
-       __attribute__((section("__DATA,btp_cc_desc"), used))
+       __attribute__((section("__DATA,btp_cc_desc"), used)) \
+       __bt_plugin_variable_attribute_no_sanitize_address
 
 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
        __start___bt_plugin_component_class_descriptors
@@ -2755,7 +2760,8 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
 #else
 
 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
-       __attribute__((section("__bt_plugin_component_class_descriptors"), used))
+       __attribute__((section("__bt_plugin_component_class_descriptors"), used)) \
+       __bt_plugin_variable_attribute_no_sanitize_address
 
 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
        __start___bt_plugin_component_class_descriptors
@@ -2775,7 +2781,8 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
  */
 #ifdef __APPLE__
 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
-       __attribute__((section("__DATA,btp_cc_desc_att"), used))
+       __attribute__((section("__DATA,btp_cc_desc_att"), used)) \
+       __bt_plugin_variable_attribute_no_sanitize_address
 
 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
        __start___bt_plugin_component_class_descriptor_attributes
@@ -2792,7 +2799,8 @@ struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_
 #else
 
 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
-       __attribute__((section("__bt_plugin_component_class_descriptor_attributes"), used))
+       __attribute__((section("__bt_plugin_component_class_descriptor_attributes"), used)) \
+       __bt_plugin_variable_attribute_no_sanitize_address
 
 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
        __start___bt_plugin_component_class_descriptor_attributes
This page took 0.024811 seconds and 4 git commands to generate.