2009-12-01 Grigori Fursin <grigori.fursin@inria.fr>

            Joern Rennecke  <amylaar@spamcop.net>

        * cgraphunit.c (plugin.h): Include.
        (ipa_passes): Invoke PLUGIN_ALL_IPA_PASSES_START /
        PLUGIN_ALL_IPA_PASSES_END at start / end of processing.
        * gcc-plugin.h (highlev-plugin-common.h, hashtab.h): Include.
        (enum plugin_event): Define by including plugin.def.
        Last enumerator is now called PLUGIN_EVENT_FIRST_DYNAMIC.
        (plugin_event_name): Change type to const char **.
        (get_event_last, get_named_event_id, unregister_callback): Declare.
        (register_callback): Change type of event argument to int.
        (highlev-plugin-common.h): New file.
        * Makefile.in (GCC_PLUGIN_H): Add highlev-plugin-common.h and
        $(HASHTAB_H)
        (tree-optimize.o passes.o): Depend on $(PLUGIN_H).
        (PLUGIN_HEADERS): Add opts.h, $(PARAMS_H) and plugin.def.
        (s-header-vars): New rule.
        (install-plugin): Depend on s-header-vars.  Install b-header-vars.
        * params.c (get_num_compiler_params): New function.
        * params.h (get_num_compiler_params): Declare.
        * passes.c (plugin.h): Include.
        (make_pass_instance): Invoke PLUGIN_NEW_PASS.
        (do_per_function_toporder, pass_init_dump_file): No longer static.
        (pass_fini_dump_file): Likewise.
        (execute_one_pass): Likewise.  Invoke PLUGIN_OVERRIDE_GATE and
        PLUGIN_PASS_EXECUTION.
        (execute_ipa_pass_list): Invoke PLUGIN_EARLY_GIMPLE_PASSES_START and
        PLUGIN_EARLY_GIMPLE_PASSES_END.
        * plugin.c (plugin_event_name_init): New array, defined by
        including plugin.def.
        (FMT_FOR_PLUGIN_EVENT): Update.
        (plugin_event_name): Change type to const char ** and initialize
        to plugin_event_name_init.
        (event_tab, event_last, event_horizon): New variable.
        (get_event_last): New function.
        (plugin_callbacks_init): New array.
        (plugin_callbacks: Change type to struct callback_info **.
        Initialize to plugin_callbacks_init.
        (htab_event_eq, get_named_event_id, unregister_callback): New function.
        (invoke_plugin_va_callbacks): Likewise.
        (register_callback): Change type of event argument to int.
        Handle new events.  Allow dynamic events.
        (invoke_plugin_callbacks): Likewise.  Return success status.
        (plugins_active_p): Allow dynamic callbacks.
        * plugin.def: New file.
        * plugin.h (invoke_plugin_callbacks): Update prototype.
        (invoke_plugin_va_callbacks): Declare.
        * tree-optimize.c (plugin.h): Include.
        (tree_rest_of_compilation): Invoke PLUGIN_ALL_PASSES_START and
        PLUGIN_ALL_PASSES_END.
        * tree-pass.h (execute_one_pass, pass_init_dump_file): Declare.
        (pass_fini_dump_file, do_per_function_toporder): Likewise.
        * doc/plugin.texi: Document new event types.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@154877 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 94 insertions, 0 deletions

diff --git a/gcc/plugin.def b/gcc/plugin.def
new file mode 100644
index 00000000000..b4e541e3c17
--- /dev/null
+++ b/gcc/plugin.def
@@ -0,0 +1,94 @@
+/* This file contains the definitions for plugin events in GCC.
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+
+/* To hook into pass manager.  */
+DEFEVENT (PLUGIN_PASS_MANAGER_SETUP)
+
+/* After finishing parsing a type.  */
+DEFEVENT (PLUGIN_FINISH_TYPE)
+
+/* Useful for summary processing.  */
+DEFEVENT (PLUGIN_FINISH_UNIT)
+
+/* Allows to see low level AST in C++ FE.  */
+DEFEVENT (PLUGIN_CXX_CP_PRE_GENERICIZE)
+
+/* Called before GCC exits.  */
+DEFEVENT (PLUGIN_FINISH)
+
+/* Information about the plugin. */
+DEFEVENT (PLUGIN_INFO)
+
+/* Called at start of GCC Garbage Collection. */
+DEFEVENT (PLUGIN_GGC_START)
+
+/* Extend the GGC marking. */
+DEFEVENT (PLUGIN_GGC_MARKING)
+
+/* Called at end of GGC. */
+DEFEVENT (PLUGIN_GGC_END)
+
+/* Register an extra GGC root table. */
+DEFEVENT (PLUGIN_REGISTER_GGC_ROOTS)
+
+/* Register an extra GGC cache table. */
+DEFEVENT (PLUGIN_REGISTER_GGC_CACHES)
+
+/* Called during attribute registration.  */
+DEFEVENT (PLUGIN_ATTRIBUTES)
+
+/* Called before processing a translation unit.  */
+DEFEVENT (PLUGIN_START_UNIT)
+
+/* Called during pragma registration.  */
+DEFEVENT (PLUGIN_PRAGMAS)
+
+/* Called before first pass from all_passes.  */
+DEFEVENT (PLUGIN_ALL_PASSES_START)
+
+/* Called after last pass from all_passes.  */
+DEFEVENT (PLUGIN_ALL_PASSES_END)
+
+/* Called before first ipa pass.  */
+DEFEVENT (PLUGIN_ALL_IPA_PASSES_START)
+
+/* Called after last ipa pass.  */
+DEFEVENT (PLUGIN_ALL_IPA_PASSES_END)
+
+/* Allows to override pass gate decision for current_pass.  */
+DEFEVENT (PLUGIN_OVERRIDE_GATE)
+
+/* Called before executing a pass.  */
+DEFEVENT (PLUGIN_PASS_EXECUTION)
+
+/* Called before executing subpasses of a GIMPLE_PASS in
+   execute_ipa_pass_list.  */
+DEFEVENT (PLUGIN_EARLY_GIMPLE_PASSES_START)
+
+/* Called after executing subpasses of a GIMPLE_PASS in
+   execute_ipa_pass_list.  */
+DEFEVENT (PLUGIN_EARLY_GIMPLE_PASSES_END)
+
+/* Called when a pass is first instantiated.  */
+DEFEVENT (PLUGIN_NEW_PASS)
+
+/* After the hard-coded events above, plugins can dynamically allocate events
+   at run time.
+   PLUGIN_EVENT_FIRST_DYNAMIC only appears as last enum element.  */