Commit da7389ac authored by Kees Cook's avatar Kees Cook
Browse files

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: default avatarKees Cook <keescook@chromium.org>
parent 07d9a380

scripts/gcc-plugins/cyc_complexity_plugin.c

+2 −2
Original line number Diff line number Diff line
@@ -20,7 +20,7 @@ 


#include "gcc-common.h"



int plugin_is_GPL_compatible;

__visible int plugin_is_GPL_compatible;



static struct plugin_info cyc_complexity_plugin_info = {

	.version	= "20160225",
@@ -49,7 +49,7 @@ static unsigned int cyc_complexity_execute(void) 


#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)

{

	const char * const plugin_name = plugin_info->base_name;

	struct register_pass_info cyc_complexity_pass_info;

scripts/gcc-plugins/gcc-common.h

+1 −0
Original line number Diff line number Diff line
@@ -130,6 +130,7 @@ extern void dump_gimple_stmt(pretty_printer *, gimple, int, int); 
#endif



#define __unused __attribute__((__unused__))

#define __visible __attribute__((visibility("default")))



#define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))

#define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))

scripts/gcc-plugins/latent_entropy_plugin.c

+3 −3
Original line number Diff line number Diff line
@@ -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;
@@ -584,7 +584,7 @@ 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,

__visible int plugin_init(struct plugin_name_args *plugin_info,

			  struct plugin_gcc_version *version)

{

	bool enabled = true;

scripts/gcc-plugins/sancov_plugin.c

+2 −2
Original line number Diff line number Diff line
@@ -21,7 +21,7 @@ 


#include "gcc-common.h"



int plugin_is_GPL_compatible;

__visible int plugin_is_GPL_compatible;



tree sancov_fndecl;
@@ -86,7 +86,7 @@ static void sancov_start_unit(void __unused *gcc_data, void __unused *user_data) 
#endif

}



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)

{

	int i;

	struct register_pass_info sancov_plugin_pass_info;

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