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689 |
jeremybenn |
/* This plugin tests the GGC related plugin events. */
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/* { dg-options "-O" } */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "toplev.h"
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#include "basic-block.h"
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#include "gimple.h"
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#include "tree.h"
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#include "tree-pass.h"
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#include "intl.h"
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#include "gcc-plugin.h"
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#include "plugin-version.h"
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#include "diagnostic.h"
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int plugin_is_GPL_compatible;
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/* our callback is the same for all PLUGIN_GGC_START,
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PLUGIN_GGC_MARKING, PLUGIN_GGC_END events; it just increments the
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user_data which is an int */
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static void increment_callback (void *gcc_data, void *user_data);
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/* our counters are user_data */
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static int our_ggc_start_counter;
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static int our_ggc_end_counter;
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static int our_ggc_marking_counter;
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/* our empty GGC extra root table */
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static const struct ggc_root_tab our_xtratab[] = {
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LAST_GGC_ROOT_TAB
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};
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/* The initialization routine exposed to and called by GCC. The spec of this
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function is defined in gcc/gcc-plugin.h.
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Note that this function needs to be named exactly "plugin_init". */
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int
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plugin_init (struct plugin_name_args *plugin_info,
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struct plugin_gcc_version *version)
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{
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const char *plugin_name = plugin_info->base_name;
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int argc = plugin_info->argc;
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int i = 0;
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struct plugin_argument *argv = plugin_info->argv;
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if (!plugin_default_version_check (version, &gcc_version))
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return 1;
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/* Process the plugin arguments. This plugin takes the following arguments:
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count-ggc-start count-ggc-end count-ggc-mark */
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for (i = 0; i < argc; ++i)
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{
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if (!strcmp (argv[i].key, "count-ggc-start"))
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{
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if (argv[i].value)
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warning (0, G_ ("option '-fplugin-arg-%s-count-ggc-start=%s'"
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" ignored (superfluous '=%s')"),
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plugin_name, argv[i].value, argv[i].value);
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else
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register_callback ("ggcplug",
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PLUGIN_GGC_START,
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increment_callback,
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(void *) &our_ggc_start_counter);
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}
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else if (!strcmp (argv[i].key, "count-ggc-end"))
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{
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if (argv[i].value)
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warning (0, G_ ("option '-fplugin-arg-%s-count-ggc-end=%s'"
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" ignored (superfluous '=%s')"),
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plugin_name, argv[i].value, argv[i].value);
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else
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register_callback ("ggcplug",
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PLUGIN_GGC_END,
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increment_callback,
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(void *) &our_ggc_end_counter);
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}
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else if (!strcmp (argv[i].key, "count-ggc-mark"))
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{
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if (argv[i].value)
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warning (0, G_ ("option '-fplugin-arg-%s-count-ggc-mark=%s'"
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" ignored (superfluous '=%s')"),
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plugin_name, argv[i].value, argv[i].value);
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else
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register_callback ("ggcplug",
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PLUGIN_GGC_MARKING,
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increment_callback,
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(void *) &our_ggc_marking_counter);
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}
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else if (!strcmp (argv[i].key, "test-extra-root"))
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{
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if (argv[i].value)
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warning (0, G_ ("option '-fplugin-arg-%s-test-extra-root=%s'"
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" ignored (superfluous '=%s')"),
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plugin_name, argv[i].value, argv[i].value);
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else
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register_callback ("ggcplug",
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PLUGIN_REGISTER_GGC_ROOTS,
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NULL,
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(void *) our_xtratab);
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}
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}
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/* plugin initialization succeeded */
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return 0;
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}
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static void
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increment_callback (void *gcc_data, void *user_data)
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{
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int *usercountptr = (int *) user_data;
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gcc_assert (!gcc_data);
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gcc_assert (user_data);
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(*usercountptr)++;
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}
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