plugins.texi (Loading plugins): typo.

2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>

	* gcc/doc/plugins.texi
	(Loading plugins): typo.
	(Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
	PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
	(Interacting with the GCC Garbage Collector): Added new section.
	(Giving information about a plugin): Added new section for
	PLUGIN_INFO.
	* gcc/testsuite/gcc.dg/plugin/plugin.exp: Added ggcplug.c test plugin
	with ggcplug-test-1.c for testing PLUGIN_GGC_MARKING etc...
	* gcc/testsuite/gcc.dg/plugin/ggcplug-test-1.c: Added new file.
	* gcc/testsuite/gcc.dg/plugin/ggcplug.c: Added new file.
	* gcc/ggc.h (ggc_register_root_tab): Added declaration.
	* gcc/gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
	(PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
	(register_callback): Improved comment in declaration.
	* gcc/ggc-common.c (const_ggc_root_tab_t) Added new typedef for
	vectors.
	(extra_root_vec) Added static variable for dynamic roots
	registration.
	(ggc_register_root_tab) Added new routine.
	(ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
	PLUGIN_GGC_MARKING event.
	* gcc/ggc-zone.c: Include plugin.h.
	(ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
	* gcc/ggc-page.c: Include plugin.h.
	(ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
	* gcc/plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
	PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
	(register_callback): check lack of callbacks for
	pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
	PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
	(invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
	PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
	* gcc/Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
	dependency on plugin.h.
	(plugin.o): Added dependency on ggc.h...

From-SVN: r147878

1 files changed, 19 insertions, 0 deletions

diff --git a/gcc/plugin.c b/gcc/plugin.c
index 6cee526cf76..0b5515e4907 100644
--- a/gcc/plugin.c
+++ b/gcc/plugin.c
@@ -38,6 +38,8 @@ along with GCC; see the file COPYING3.  If not see
 #include "intl.h"
 #include "plugin.h"
 #include "timevar.h"
+#include "ggc.h"
+
 #ifdef ENABLE_PLUGIN
 #include "plugin-version.h"
 #endif
@@ -51,6 +53,10 @@ const char *plugin_event_name[] =
   "PLUGIN_CXX_CP_PRE_GENERICIZE",
   "PLUGIN_FINISH",
   "PLUGIN_INFO",
+  "PLUGIN_GGC_START",
+  "PLUGIN_GGC_MARKING",
+  "PLUGIN_GGC_END",
+  "PLUGIN_REGISTER_GGC_ROOTS",
   "PLUGIN_EVENT_LAST"
 };
 
@@ -472,14 +478,23 @@ register_callback (const char *plugin_name,
   switch (event)
     {
       case PLUGIN_PASS_MANAGER_SETUP:
+	gcc_assert (!callback);
         register_pass (plugin_name, (struct plugin_pass *) user_data);
         break;
       case PLUGIN_INFO:
+	gcc_assert (!callback);
 	register_plugin_info (plugin_name, (struct plugin_info *) user_data);
 	break;
+      case PLUGIN_REGISTER_GGC_ROOTS:
+	gcc_assert (!callback);
+        ggc_register_root_tab ((const struct ggc_root_tab*) user_data);
+	break;
       case PLUGIN_FINISH_TYPE:
       case PLUGIN_FINISH_UNIT:
       case PLUGIN_CXX_CP_PRE_GENERICIZE:
+      case PLUGIN_GGC_START:
+      case PLUGIN_GGC_MARKING:
+      case PLUGIN_GGC_END:
       case PLUGIN_ATTRIBUTES:
       case PLUGIN_FINISH:
         {
@@ -524,6 +539,9 @@ invoke_plugin_callbacks (enum plugin_event event, void *gcc_data)
       case PLUGIN_CXX_CP_PRE_GENERICIZE:
       case PLUGIN_ATTRIBUTES:
       case PLUGIN_FINISH:
+      case PLUGIN_GGC_START:
+      case PLUGIN_GGC_MARKING:
+      case PLUGIN_GGC_END:
         {
           /* Iterate over every callback registered with this event and
              call it.  */
@@ -535,6 +553,7 @@ invoke_plugin_callbacks (enum plugin_event event, void *gcc_data)
 
       case PLUGIN_PASS_MANAGER_SETUP:
       case PLUGIN_EVENT_LAST:
+      case PLUGIN_REGISTER_GGC_ROOTS:
       default:
         gcc_assert (false);
     }