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authorKees Cook <keescook@chromium.org>2017-05-05 23:56:07 -0700
committerKees Cook <keescook@chromium.org>2017-08-01 17:04:48 -0700
commit9225331b310821760f39ba55b00b8973602adbb5 (patch)
tree486443275c8d05ebe69d6d403ccf0b8fe5296425 /scripts
parent3598f5d0872ff574c5b6704024f12ca4a3056860 (diff)
download96b-common-9225331b310821760f39ba55b00b8973602adbb5.tar.gz
randstruct: Enable function pointer struct detection
This enables the automatic structure selection logic in the randstruct GCC plugin. The selection logic randomizes all structures that contain only function pointers, unless marked with __no_randomize_layout. Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/gcc-plugins/randomize_layout_plugin.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/scripts/gcc-plugins/randomize_layout_plugin.c b/scripts/gcc-plugins/randomize_layout_plugin.c
index cdaac8c66734..0073af326449 100644
--- a/scripts/gcc-plugins/randomize_layout_plugin.c
+++ b/scripts/gcc-plugins/randomize_layout_plugin.c
@@ -436,9 +436,6 @@ static int is_pure_ops_struct(const_tree node)
gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE);
- /* XXX: Do not apply randomization to all-ftpr structs yet. */
- return 0;
-
for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) {
const_tree fieldtype = get_field_type(field);
enum tree_code code = TREE_CODE(fieldtype);