2009-04-17 Rafael Avila de Espindola <espindola@google.com>

	* Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
	REVISION_c.
	(OBJS-common): Add plugin-version.o.
	(plugin-version.o): New.
	* gcc-plugin.h (plugin_gcc_version): New.
	(plugin_default_version_check): New.
	(plugin_init_func, plugin_init): Add version argument.
	* plugin-version.c: New.
	* plugin.c (str_plugin_gcc_version_name): New.
	(try_init_one_plugin): Read plugin_gcc_version from the plugin and
	pass it to the init function.
	(plugin_default_version_check): New.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146274 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 21 insertions, 1 deletions

diff --git a/gcc/gcc-plugin.h b/gcc/gcc-plugin.h
index 6865566472f..543dc933742 100644
--- a/gcc/gcc-plugin.h
+++ b/gcc/gcc-plugin.h
@@ -67,22 +67,42 @@ struct plugin_info
   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;
+};
+
+extern struct plugin_gcc_version plugin_gcc_version;
+
+/* The default version check. Compares every field in VERSION. */
+
+extern bool plugin_default_version_check(struct plugin_gcc_version *version);
+
 /* Function type for the plugin initialization routine. Each plugin module
    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
 
    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);
 
 /* Declaration for "plugin_init" function so that it doesn't need to be
    duplicated in every plugin.  */
-extern int plugin_init (const char *, int, struct plugin_argument *);
+extern int plugin_init (const char *, struct plugin_gcc_version *version,
+			int, struct plugin_argument *);
 
 /* Function type for a plugin callback routine.