[PATCH] gcc-plugins: consolidate on PASS_INFO macro

From: Kees Cook
Date: Fri Jan 13 2017 - 17:21:12 EST


Now that PASS_INFO() exists, use it in the other existing gcc plugins,
instead of always open coding the same thing.

Based on updates to the grsecurity/PaX gcc plugins.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
scripts/gcc-plugins/cyc_complexity_plugin.c | 6 +-----
scripts/gcc-plugins/sancov_plugin.c | 8 ++------
2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/scripts/gcc-plugins/cyc_complexity_plugin.c b/scripts/gcc-plugins/cyc_complexity_plugin.c
index 8af7db06122d..1909ec617431 100644
--- a/scripts/gcc-plugins/cyc_complexity_plugin.c
+++ b/scripts/gcc-plugins/cyc_complexity_plugin.c
@@ -52,12 +52,8 @@ static unsigned int cyc_complexity_execute(void)
__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;

- cyc_complexity_pass_info.pass = make_cyc_complexity_pass();
- cyc_complexity_pass_info.reference_pass_name = "ssa";
- cyc_complexity_pass_info.ref_pass_instance_number = 1;
- cyc_complexity_pass_info.pos_op = PASS_POS_INSERT_AFTER;
+ PASS_INFO(cyc_complexity, "ssa", 1, PASS_POS_INSERT_AFTER);

if (!plugin_default_version_check(version, &gcc_version)) {
error(G_("incompatible gcc/plugin versions"));
diff --git a/scripts/gcc-plugins/sancov_plugin.c b/scripts/gcc-plugins/sancov_plugin.c
index 70f5fe0d590a..9b0b5cbc5b89 100644
--- a/scripts/gcc-plugins/sancov_plugin.c
+++ b/scripts/gcc-plugins/sancov_plugin.c
@@ -89,7 +89,6 @@ static void sancov_start_unit(void __unused *gcc_data, void __unused *user_data)
__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;
const char * const plugin_name = plugin_info->base_name;
const int argc = plugin_info->argc;
const struct plugin_argument * const argv = plugin_info->argv;
@@ -107,14 +106,11 @@ __visible int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gc
};

/* BBs can be split afterwards?? */
- sancov_plugin_pass_info.pass = make_sancov_pass();
#if BUILDING_GCC_VERSION >= 4009
- sancov_plugin_pass_info.reference_pass_name = "asan";
+ PASS_INFO(sancov, "asan", 0, PASS_POS_INSERT_BEFORE);
#else
- sancov_plugin_pass_info.reference_pass_name = "nrv";
+ PASS_INFO(sancov, "nrv", 1, PASS_POS_INSERT_BEFORE);
#endif
- sancov_plugin_pass_info.ref_pass_instance_number = 0;
- sancov_plugin_pass_info.pos_op = PASS_POS_INSERT_BEFORE;

if (!plugin_default_version_check(version, &gcc_version)) {
error(G_("incompatible gcc/plugin versions"));
--
2.7.4


--
Kees Cook
Nexus Security