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Diffstat (limited to 'docs/LanguageExtensions.rst')
| -rw-r--r-- | docs/LanguageExtensions.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/LanguageExtensions.rst b/docs/LanguageExtensions.rst index 80c960909f..9826c41c35 100644 --- a/docs/LanguageExtensions.rst +++ b/docs/LanguageExtensions.rst @@ -2353,12 +2353,14 @@ and other similar allocation libraries, and are only available in C++. array subscript access and structure/union member access are relocatable under bpf compile-once run-everywhere framework. Debuginfo (typically with ``-g``) is needed, otherwise, the compiler will exit with an error. +The return type for the intrinsic is the same as the type of the +argument, and must be a pointer type. **Syntax**: .. code-block:: c - const void * __builtin_preserve_access_index(const void * ptr) + PointerT __builtin_preserve_access_index(PointerT ptr) **Example of Use**: |