/* Public header file for plugins to include.
- Copyright (C) 2009 Free Software Foundation, Inc.
+ Copyright (C) 2009, 2010 Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_PLUGIN_H
#define GCC_PLUGIN_H
-/* Event names. Keep in sync with plugin_event_name[]. */
+#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
{
- PLUGIN_PASS_MANAGER_SETUP, /* To hook into pass manager. */
- PLUGIN_FINISH_TYPE, /* After finishing parsing a type. */
- PLUGIN_FINISH_UNIT, /* Useful for summary processing. */
- PLUGIN_CXX_CP_PRE_GENERICIZE, /* Allows to see low level AST in C++ FE. */
- PLUGIN_FINISH, /* Called before GCC exits. */
- PLUGIN_INFO, /* Information about the plugin */
- PLUGIN_EVENT_LAST /* Dummy event used for indexing callback
- array. */
+# define DEFEVENT(NAME) NAME,
+# include "plugin.def"
+# undef DEFEVENT
+ PLUGIN_EVENT_FIRST_DYNAMIC
};
-extern const char *plugin_event_name[];
+/* 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 *value; /* value is optional and can be NULL. */
};
-enum pass_positioning_ops
-{
- PASS_POS_INSERT_AFTER, /* Insert after the reference pass. */
- PASS_POS_INSERT_BEFORE, /* Insert before the reference pass. */
- PASS_POS_REPLACE /* Replace the reference pass. */
-};
-
-struct plugin_pass
-{
- struct opt_pass *pass; /* New pass provided by the plugin. */
- const char *reference_pass_name; /* Name of the reference pass for hooking
- up the new pass. */
- int ref_pass_instance_number; /* Insert the pass at the specified
- instance number of the reference pass.
- Do it for every instance if it is 0. */
- enum pass_positioning_ops pos_op; /* how to insert the new pass. */
-};
-
/* Additional information about the plugin. Used by --help and --version. */
struct plugin_info
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 *,
should define this as an externally-visible function with name
"plugin_init."
- PLUGIN_NAME - name of the plugin (useful for error reporting)
- VERSION - the plugin_gcc_version symbol of the plugin itself.
- ARGC - the size of the ARGV array
- ARGV - an array of key-value argument pair
+ PLUGIN_INFO - plugin invocation information.
+ VERSION - the plugin_gcc_version symbol of GCC.
Returns 0 if initialization finishes successfully. */
-typedef int (*plugin_init_func) (const char *plugin_name,
- struct plugin_gcc_version *version,
- int argc, struct plugin_argument *argv);
+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 (const char *, struct plugin_gcc_version *version,
- int, struct plugin_argument *);
+extern int plugin_init (struct plugin_name_args *plugin_info,
+ struct plugin_gcc_version *version);
/* Function type for a plugin callback routine.
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 */
+ 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,
- enum plugin_event event,
+ 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 */
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