Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 166 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/gcc-plugin.h b/gcc-4.9/gcc/gcc-plugin.h
new file mode 100644
index 000000000..035b50b35
--- /dev/null
+++ b/gcc-4.9/gcc/gcc-plugin.h
@@ -0,0 +1,166 @@
+/* Public header file for plugins to include.
+   Copyright (C) 2009-2014 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/>.  */
+
+#ifndef GCC_PLUGIN_H
+#define GCC_PLUGIN_H
+
+#ifndef IN_GCC
+#define IN_GCC
+#endif
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "highlev-plugin-common.h"
+#include "hashtab.h"
+
+/* Event names.  */
+enum plugin_event
+{
+# define DEFEVENT(NAME) NAME,
+# include "plugin.def"
+# undef DEFEVENT
+  PLUGIN_EVENT_FIRST_DYNAMIC
+};
+
+/* All globals declared here have C linkage to reduce link compatibility
+   issues with implementation language choice and mangling.  */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern const char **plugin_event_name;
+
+struct plugin_argument
+{
+  char *key;    /* key of the argument.  */
+  char *value;  /* value is optional and can be NULL.  */
+};
+
+/* Additional information about the plugin. Used by --help and --version. */
+
+struct plugin_info
+{
+  const char *version;
+  const char *help;
+};
+
+/* Represents the gcc version. Used to avoid using an incompatible plugin. */
+
+struct plugin_gcc_version
+{
+  const char *basever;
+  const char *datestamp;
+  const char *devphase;
+  const char *revision;
+  const char *configuration_arguments;
+};
+
+/* Object that keeps track of the plugin name and its arguments. */
+struct plugin_name_args
+{
+  char *base_name;              /* Short name of the plugin (filename without
+                                   .so suffix). */
+  const char *full_name;        /* Path to the plugin as specified with
+                                   -fplugin=. */
+  int argc;                     /* Number of arguments specified with
+                                   -fplugin-arg-... */
+  struct plugin_argument *argv; /* Array of ARGC key-value pairs. */
+  const char *version;          /* Version string provided by plugin. */
+  const char *help;             /* Help string provided by plugin. */
+};
+
+/* The default version check. Compares every field in VERSION. */
+
+extern bool plugin_default_version_check (struct plugin_gcc_version *,
+					  struct plugin_gcc_version *);
+
+/* Function type for the plugin initialization routine. Each plugin module
+   should define this as an externally-visible function with name
+   "plugin_init."
+
+   PLUGIN_INFO - plugin invocation information.
+   VERSION     - the plugin_gcc_version symbol of GCC.
+
+   Returns 0 if initialization finishes successfully.  */
+
+typedef int (*plugin_init_func) (struct plugin_name_args *plugin_info,
+                                 struct plugin_gcc_version *version);
+
+/* Declaration for "plugin_init" function so that it doesn't need to be
+   duplicated in every plugin.  */
+extern int plugin_init (struct plugin_name_args *plugin_info,
+                        struct plugin_gcc_version *version);
+
+/* Function type for a plugin callback routine.
+
+   GCC_DATA  - event-specific data provided by GCC
+   USER_DATA - plugin-specific data provided by the plugin  */
+
+typedef void (*plugin_callback_func) (void *gcc_data, void *user_data);
+
+/* Called from the plugin's initialization code. Register a single callback.
+   This function can be called multiple times.
+
+   PLUGIN_NAME - display name for this plugin
+   EVENT       - which event the callback is for
+   CALLBACK    - the callback to be called at the event
+   USER_DATA   - plugin-provided data.
+*/
+
+/* Number of event ids / names registered so far.  */
+
+extern int get_event_last (void);
+
+int get_named_event_id (const char *name, enum insert_option insert);
+
+/* This is also called without a callback routine for the
+   PLUGIN_PASS_MANAGER_SETUP, PLUGIN_INFO, PLUGIN_REGISTER_GGC_ROOTS and
+   PLUGIN_REGISTER_GGC_CACHES pseudo-events, with a specific user_data.
+  */
+
+extern void register_callback (const char *plugin_name,
+			       int event,
+                               plugin_callback_func callback,
+                               void *user_data);
+
+extern int unregister_callback (const char *plugin_name, int event);
+
+
+/* Retrieve the plugin directory name, as returned by the
+   -fprint-file-name=plugin argument to the gcc program, which is the
+   -iplugindir program argument to cc1.  */
+extern const char* default_plugin_dir_name (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+/* In case the C++ compiler does name mangling for globals, declare
+   plugin_is_GPL_compatible extern "C" so that a later definition
+   in a plugin file will have this linkage.  */
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern int plugin_is_GPL_compatible;
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GCC_PLUGIN_H */