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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [gcc-plugin.h] - Rev 328

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/* Public header file for plugins to include.
   Copyright (C) 2009, 2010 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 "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
};
 
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);
 
#ifdef __cplusplus
extern "C" {
#endif
/* 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);
#ifdef __cplusplus
}
#endif
 
/* 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);
 
#endif /* GCC_PLUGIN_H */
 

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