On Tue, 12 Jul 2016 16:05:45 -0400 Kees Cook <keesc...@chromium.org> wrote:
> /* > * The initify gcc-plugin attempts to identify const arguments that are only > * used during init (see __init), so they can be moved to the .init.rodata > * section. If an argument is passed to a non-init function, it must > * normally be assumed that such an argument has been captured by that > * function and may be used in the future when .init has been unmapped from > * memory. In order to identify functions that are confirmed to not capture > * their arguments, the __nocapture() attribute is used so that initify can > * better identify candidate variables. > */ > #ifdef INITIFY_PLUGIN > # define __nocapture(...) __attribute__((nocapture(__VA_ARGS__))) > #endif Thanks, I'll take it in the next patch set with some additions (the attribute also handles __exit functions and the plugin does other things e.g., it can identify candidate init/exit functions and move them automatically to init.text/exit.text). -- Emese
