From: Josh Poimboeuf <[email protected]> Define macros KLP_MODULE_RELOC and KLP_SYMPOS in include/linux/livepatch.h to improve user-friendliness of the livepatch annotation process.
[jmoreira: * split up: move KLP_MODULE_RELOC from previous patch to here * add KLP_SYMPOS * move macros from include/uapi/livepatch.h to include/linux/livepatch.h ] Signed-off-by: Josh Poimboeuf <[email protected]> Signed-off-by: Joao Moreira <[email protected]> --- include/linux/livepatch.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/linux/livepatch.h b/include/linux/livepatch.h index 96a75be7ef50..3956929f21bc 100644 --- a/include/linux/livepatch.h +++ b/include/linux/livepatch.h @@ -165,6 +165,17 @@ static inline bool klp_have_reliable_stack(void) IS_ENABLED(CONFIG_HAVE_RELIABLE_STACKTRACE); } +/* Used to annotate symbol relocations in livepatches */ +#define KLP_MODULE_RELOC(obj) \ + struct klp_module_reloc \ + __attribute__((__section__(".klp.module_relocs." #obj))) + +#define KLP_SYMPOS(symbol, pos) \ + { \ + .sym = &symbol, \ + .sympos = pos, \ + }, + #else /* !CONFIG_LIVEPATCH */ static inline int klp_module_coming(struct module *mod) { return 0; } -- 2.12.0
