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authorKees Cook <keescook@chromium.org>2017-02-21 21:12:38 -0800
committerKees Cook <keescook@chromium.org>2017-02-21 21:12:38 -0800
commite7e04c0c8c7ea931d966e5bd349a0b1c836b1ebf (patch)
treec170bd24dfab5b018dc68aeb29080334f83e0519
parenta121103c922847ba5010819a3f250f1f7fc84ab8 (diff)
parent5a45a4c5c3f5e36a03770deb102ca6ba256ff3d7 (diff)
downloadlinux-e7e04c0c8c7ea931d966e5bd349a0b1c836b1ebf.tar.bz2
Merge branch 'for-next/gcc-plugin-infrastructure' into for-linus/gcc-plugins
-rw-r--r--scripts/gcc-plugins/cyc_complexity_plugin.c6
-rw-r--r--scripts/gcc-plugins/gcc-common.h55
-rw-r--r--scripts/gcc-plugins/latent_entropy_plugin.c8
-rw-r--r--scripts/gcc-plugins/sancov_plugin.c8
4 files changed, 49 insertions, 28 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/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
index 12262c0cc691..b232ab15624c 100644
--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -26,6 +26,9 @@
#include "except.h"
#include "function.h"
#include "toplev.h"
+#if BUILDING_GCC_VERSION >= 5000
+#include "expr.h"
+#endif
#include "basic-block.h"
#include "intl.h"
#include "ggc.h"
@@ -80,6 +83,9 @@
#include "diagnostic.h"
#include "tree-dump.h"
#include "tree-pass.h"
+#if BUILDING_GCC_VERSION >= 4009
+#include "pass_manager.h"
+#endif
#include "predict.h"
#include "ipa-utils.h"
@@ -119,20 +125,17 @@
#include "builtins.h"
#endif
-/* #include "expr.h" where are you... */
-extern rtx emit_move_insn(rtx x, rtx y);
-
/* missing from basic_block.h... */
-extern void debug_dominance_info(enum cdi_direction dir);
-extern void debug_dominance_tree(enum cdi_direction dir, basic_block root);
+void debug_dominance_info(enum cdi_direction dir);
+void debug_dominance_tree(enum cdi_direction dir, basic_block root);
#if BUILDING_GCC_VERSION == 4006
-extern void debug_gimple_stmt(gimple);
-extern void debug_gimple_seq(gimple_seq);
-extern void print_gimple_seq(FILE *, gimple_seq, int, int);
-extern void print_gimple_stmt(FILE *, gimple, int, int);
-extern void print_gimple_expr(FILE *, gimple, int, int);
-extern void dump_gimple_stmt(pretty_printer *, gimple, int, int);
+void debug_gimple_stmt(gimple);
+void debug_gimple_seq(gimple_seq);
+void print_gimple_seq(FILE *, gimple_seq, int, int);
+void print_gimple_stmt(FILE *, gimple, int, int);
+void print_gimple_expr(FILE *, gimple, int, int);
+void dump_gimple_stmt(pretty_printer *, gimple, int, int);
#endif
#define __unused __attribute__((__unused__))
@@ -146,6 +149,29 @@ extern void dump_gimple_stmt(pretty_printer *, gimple, int, int);
/* should come from c-tree.h if only it were installed for gcc 4.5... */
#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
+static inline tree build_const_char_string(int len, const char *str)
+{
+ tree cstr, elem, index, type;
+
+ cstr = build_string(len, str);
+ elem = build_type_variant(char_type_node, 1, 0);
+ index = build_index_type(size_int(len - 1));
+ type = build_array_type(elem, index);
+ TREE_TYPE(cstr) = type;
+ TREE_CONSTANT(cstr) = 1;
+ TREE_READONLY(cstr) = 1;
+ TREE_STATIC(cstr) = 1;
+ return cstr;
+}
+
+#define PASS_INFO(NAME, REF, ID, POS) \
+struct register_pass_info NAME##_pass_info = { \
+ .pass = make_##NAME##_pass(), \
+ .reference_pass_name = REF, \
+ .ref_pass_instance_number = ID, \
+ .pos_op = POS, \
+}
+
#if BUILDING_GCC_VERSION == 4005
#define FOR_EACH_LOCAL_DECL(FUN, I, D) \
for (tree vars = (FUN)->local_decls, (I) = 0; \
@@ -527,6 +553,8 @@ static inline const greturn *as_a_const_greturn(const_gimple stmt)
#define section_name_prefix LTO_SECTION_NAME_PREFIX
#define fatal_error(loc, gmsgid, ...) fatal_error((gmsgid), __VA_ARGS__)
+rtx emit_move_insn(rtx x, rtx y);
+
typedef struct rtx_def rtx_insn;
static inline const char *get_decl_section_name(const_tree decl)
@@ -643,6 +671,11 @@ static inline const greturn *as_a_const_greturn(const_gimple stmt)
#define NODE_DECL(node) (node)->decl
#define cgraph_node_name(node) (node)->name()
#define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias
+
+static inline opt_pass *get_pass_for_id(int id)
+{
+ return g->get_passes()->get_pass_for_id(id);
+}
#endif
#if BUILDING_GCC_VERSION >= 5000 && BUILDING_GCC_VERSION < 6000
diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c
index 8ff203ad4809..65264960910d 100644
--- a/scripts/gcc-plugins/latent_entropy_plugin.c
+++ b/scripts/gcc-plugins/latent_entropy_plugin.c
@@ -592,12 +592,6 @@ __visible int plugin_init(struct plugin_name_args *plugin_info,
const struct plugin_argument * const argv = plugin_info->argv;
int i;
- struct register_pass_info latent_entropy_pass_info;
-
- latent_entropy_pass_info.pass = make_latent_entropy_pass();
- latent_entropy_pass_info.reference_pass_name = "optimized";
- latent_entropy_pass_info.ref_pass_instance_number = 1;
- latent_entropy_pass_info.pos_op = PASS_POS_INSERT_BEFORE;
static const struct ggc_root_tab gt_ggc_r_gt_latent_entropy[] = {
{
.base = &latent_entropy_decl,
@@ -609,6 +603,8 @@ __visible int plugin_init(struct plugin_name_args *plugin_info,
LAST_GGC_ROOT_TAB
};
+ PASS_INFO(latent_entropy, "optimized", 1, PASS_POS_INSERT_BEFORE);
+
if (!plugin_default_version_check(version, &gcc_version)) {
error(G_("incompatible gcc/plugin versions"));
return 1;
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"));