1 /* This plugin tests the GGC related plugin events. */
2 /* { dg-options "-O" } */
9 #include "basic-block.h"
12 #include "tree-pass.h"
14 #include "gcc-plugin.h"
15 #include "plugin-version.h"
16 #include "diagnostic.h"
18 int plugin_is_GPL_compatible;
20 /* our callback is the same for all PLUGIN_GGC_START,
21 PLUGIN_GGC_MARKING, PLUGIN_GGC_END events; it just increments the
22 user_data which is an int */
23 static void increment_callback (void *gcc_data, void *user_data);
25 /* our counters are user_data */
26 static int our_ggc_start_counter;
27 static int our_ggc_end_counter;
28 static int our_ggc_marking_counter;
30 /* our empty GGC extra root table */
31 static const struct ggc_root_tab our_xtratab[] = {
36 /* The initialization routine exposed to and called by GCC. The spec of this
37 function is defined in gcc/gcc-plugin.h.
39 Note that this function needs to be named exactly "plugin_init". */
41 plugin_init (struct plugin_name_args *plugin_info,
42 struct plugin_gcc_version *version)
44 const char *plugin_name = plugin_info->base_name;
45 int argc = plugin_info->argc;
47 struct plugin_argument *argv = plugin_info->argv;
48 if (!plugin_default_version_check (version, &gcc_version))
50 /* Process the plugin arguments. This plugin takes the following arguments:
51 count-ggc-start count-ggc-end count-ggc-mark */
52 for (i = 0; i < argc; ++i)
54 if (!strcmp (argv[i].key, "count-ggc-start"))
57 warning (0, G_ ("option '-fplugin-arg-%s-count-ggc-start=%s'"
58 " ignored (superfluous '=%s')"),
59 plugin_name, argv[i].value, argv[i].value);
61 register_callback ("ggcplug",
64 (void *) &our_ggc_start_counter);
66 else if (!strcmp (argv[i].key, "count-ggc-end"))
69 warning (0, G_ ("option '-fplugin-arg-%s-count-ggc-end=%s'"
70 " ignored (superfluous '=%s')"),
71 plugin_name, argv[i].value, argv[i].value);
73 register_callback ("ggcplug",
76 (void *) &our_ggc_end_counter);
78 else if (!strcmp (argv[i].key, "count-ggc-mark"))
81 warning (0, G_ ("option '-fplugin-arg-%s-count-ggc-mark=%s'"
82 " ignored (superfluous '=%s')"),
83 plugin_name, argv[i].value, argv[i].value);
85 register_callback ("ggcplug",
88 (void *) &our_ggc_marking_counter);
90 else if (!strcmp (argv[i].key, "test-extra-root"))
93 warning (0, G_ ("option '-fplugin-arg-%s-test-extra-root=%s'"
94 " ignored (superfluous '=%s')"),
95 plugin_name, argv[i].value, argv[i].value);
97 register_callback ("ggcplug",
98 PLUGIN_REGISTER_GGC_ROOTS,
100 (void *) our_xtratab);
103 /* plugin initialization succeeded */
108 increment_callback (void *gcc_data, void *user_data)
110 int *usercountptr = (int *) user_data;
111 gcc_assert (!gcc_data);
112 gcc_assert (user_data);