gcc-plugins: Export symbols needed by gcc
This explicitly exports symbols that gcc expects from plugins.
Based on code from Emese Revfy.
Signed-off-by: Kees Cook <[email protected]>
diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c
index ff1939b..9d3d4ad 100644
--- a/scripts/gcc-plugins/latent_entropy_plugin.c
+++ b/scripts/gcc-plugins/latent_entropy_plugin.c
@@ -77,7 +77,7 @@
#include "gcc-common.h"
-int plugin_is_GPL_compatible;
+__visible int plugin_is_GPL_compatible;
static GTY(()) tree latent_entropy_decl;
@@ -584,8 +584,8 @@ static void latent_entropy_start_unit(void *gcc_data __unused,
| TODO_update_ssa
#include "gcc-generate-gimple-pass.h"
-int plugin_init(struct plugin_name_args *plugin_info,
- struct plugin_gcc_version *version)
+__visible int plugin_init(struct plugin_name_args *plugin_info,
+ struct plugin_gcc_version *version)
{
bool enabled = true;
const char * const plugin_name = plugin_info->base_name;
