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authorJessica Yu <jeyu@redhat.com>2016-07-27 12:06:21 +0930
committerRusty Russell <rusty@rustcorp.com.au>2016-08-04 10:16:55 +0930
commit444d13ff10fb13bc3e64859c3cf9ce43dcfeb075 (patch)
treeab35e195fe3daeae0bd87f6f5bd7cc1cf07fd86a /include/uapi
parentbdc9f373551dd3f1e6fae1618f2394ee9bc7db2e (diff)
modules: add ro_after_init support
Add ro_after_init support for modules by adding a new page-aligned section in the module layout (after rodata) for ro_after_init data and enabling RO protection for that section after module init runs. Signed-off-by: Jessica Yu <jeyu@redhat.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/elf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index cb4a72f888d5..70b172ba41ce 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -286,6 +286,7 @@ typedef struct elf64_phdr {
#define SHF_ALLOC 0x2
#define SHF_EXECINSTR 0x4
#define SHF_RELA_LIVEPATCH 0x00100000
+#define SHF_RO_AFTER_INIT 0x00200000
#define SHF_MASKPROC 0xf0000000
/* special section indexes */