implement -fprofile-generate -fprofile-use similar to gcc

diff --git a/main.c b/main.c
index 4c928cd..19c90c6 100644 (file)
--- a/main.c
+++ b/main.c
@@ -667,6 +667,8 @@ int main(int argc, char **argv)
        file_list_entry_t *last_file            = NULL;
        bool               construct_dep_target = false;
        bool               do_timing            = false;
+       bool               profile_generate     = false;
+       bool               profile_use          = false;
        struct obstack     file_obst;
 
        atexit(free_temp_files);
@@ -867,6 +869,10 @@ int main(int argc, char **argv)
                                                freestanding = truth_value;
                                        } else if (streq(opt, "hosted")) {
                                                freestanding = !truth_value;
+                                       } else if (streq(opt, "profile-generate")) {
+                                               profile_generate = truth_value;
+                                       } else if (streq(opt, "profile-use")) {
+                                               profile_use = truth_value;
                                        } else if (truth_value == false &&
                                                   streq(opt, "asynchronous-unwind-tables")) {
                                            /* nothing todo, a gcc feature which we don't support
@@ -1195,9 +1201,16 @@ int main(int argc, char **argv)
                return EXIT_FAILURE;
        }
 
-       /* set the c_mode here, types depends on it */
+       /* apply some effects from switches */
        c_mode |= features_on;
        c_mode &= ~features_off;
+       if (profile_generate) {
+               add_flag(&ldflags_obst, "-lfirmprof");
+               set_be_option("profilegenerate");
+       }
+       if (profile_use) {
+               set_be_option("profileuse");
+       }
 
        gen_firm_init();
        byte_order_big_endian = be_get_backend_param()->byte_order_big_endian;