plugin.c (try_init_one_plugin): Updated to new plugin_init API.

gcc/ChangeLog
	* plugin.c (try_init_one_plugin): Updated to new plugin_init API.
	* gcc-plugin.h (plugin_init): Updated signature.
	* gcc-plugin.h (plugin_name_args): Moved to this header.
	* doc/plugins.texi (plugin_init): Updated documention to reflect API change.
	* doc/plugins.texi (plugin_name_args): Added to documention.
gcc/testsuite/ChangeLog
	* gcc.dg/plugin/selfassign.c (plugin_init): Updated to new plugin_init signature.
	* g++.dg/plugin/selfassign.c (plugin_init): Updated to new plugin_init signature.
	* g++.dg/plugin/dumb_plugin.c (plugin_init): Updated to new plugin_init signature.
	* g++.dg/plugin/attribute_plugin.c (plugin_init): Updated to new plugin_init signature.

From-SVN: r147772

gcc/ChangeLog

+2009-05-21  Taras Glek  <tglek@mozilla.com>
+
+	* plugin.c (try_init_one_plugin): Updated to new plugin_init API.
+	* gcc-plugin.h (plugin_init): Updated signature.
+	* gcc-plugin.h (plugin_name_args): Moved to this header.
+	* doc/plugins.texi (plugin_init): Updated documention to reflect API change.
+	* doc/plugins.texi (plugin_name_args): Added to documention.
+
 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
 
 	* config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.

gcc/doc/plugins.texi

@@ -41,11 +41,27 @@ This function is called from @code{compile_file} right before invoking
 the parser.  The arguments to @code{plugin_init} are:
 
 @itemize @bullet
-@item @code{plugin_name}: Name of the plugin.
-@item @code{argc}: Number of arguments specified with @option{-fplugin-arg-...}.
-@item @code{argv}: Array of @code{argc} key-value pairs.
+@item @code{plugin_info}: Plugin invocation information.
+@item @code{version}: GCC version.
 @end itemize
 
+The @code{plugin_info} struct is defined as follows:
+
+@smallexample
+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. */
+@}
+@end smallexample
+
 If initialization fails, @code{plugin_init} must return a non-zero
 value.  Otherwise, it should return 0.
 
@@ -120,7 +136,8 @@ struct plugin_pass
 
 /* Sample plugin code that registers a new pass.  */
 int
-plugin_init (const char *plugin_name, int argc, struct plugin_argument *argv)
+plugin_init (struct plugin_name_args *plugin_info,
+             struct plugin_gcc_version *version)
 @{
   struct plugin_pass pass_info;
 
@@ -131,7 +148,7 @@ plugin_init (const char *plugin_name, int argc, struct plugin_argument *argv)
   ...
 
   /* Register the new pass.  */
-  register_callback (plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &pass_info);
+  register_callback (plugin_info->base_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &pass_info);
 
   ...
 @}

gcc/gcc-plugin.h

@@ -79,6 +79,20 @@ struct plugin_gcc_version
   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 *,
@@ -88,21 +102,18 @@ 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.
 

gcc/plugin.c

@@ -54,19 +54,6 @@ const char *plugin_event_name[] =
   "PLUGIN_EVENT_LAST"
 };
 
-/* Object that keeps track of the plugin name and its arguments
-   when parsing the command-line options -fplugin=/path/to/NAME.so and
-   -fplugin-arg-NAME-<key>[=<value>].  */
-struct plugin_name_args
-{
-  char *base_name;
-  const char *full_name;
-  int argc;
-  struct plugin_argument *argv;
-  const char *version;
-  const char *help;
-};
-
 /* Hash table for the plugin_name_args objects created during command-line
    parsing.  */
 static htab_t plugin_name_args_tab = NULL;
@@ -596,8 +583,7 @@ try_init_one_plugin (struct plugin_name_args *plugin)
     }
 
   /* Call the plugin-provided initialization routine with the arguments.  */
-  if ((*plugin_init) (plugin->base_name, &gcc_version, plugin->argc,
-		      plugin->argv))
+  if ((*plugin_init) (plugin, &gcc_version))
     {
       error ("Fail to initialize plugin %s", plugin->full_name);
       return false;

gcc/testsuite/ChangeLog

+2009-05-21  Taras Glek  <tglek@mozilla.com>
+
+	* gcc.dg/plugin/selfassign.c (plugin_init): Updated to new plugin_init signature.
+	* g++.dg/plugin/selfassign.c (plugin_init): Updated to new plugin_init signature.
+	* g++.dg/plugin/dumb_plugin.c (plugin_init): Updated to new plugin_init signature.
+	* g++.dg/plugin/attribute_plugin.c (plugin_init): Updated to new plugin_init signature.
+
 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
 
 	* gcc.dg/target/arm/neon-vmla-1.c: New.

gcc/testsuite/g++.dg/plugin/attribute_plugin.c

@@ -54,10 +54,10 @@ handle_pre_generic (void *event_data, void *data)
 }
 
 int
-plugin_init (const char *plugin_name,
-             struct plugin_gcc_version *version,
-             int argc, struct plugin_argument *argv)
+plugin_init (struct plugin_name_args *plugin_info,
+             struct plugin_gcc_version *version)
 {
+  const char *plugin_name = plugin_info->base_name;
   register_callback (plugin_name, PLUGIN_CXX_CP_PRE_GENERICIZE,
                      handle_pre_generic, NULL);
 

gcc/testsuite/g++.dg/plugin/dumb_plugin.c

@@ -78,11 +78,13 @@ static struct gimple_opt_pass pass_dumb_plugin_example =
    both of which determine where the plugin pass should be inserted.  */
 
 int
-plugin_init (const char *plugin_name,
-             struct plugin_gcc_version *version __attribute__((unused)),
-             int argc, struct plugin_argument *argv)
+plugin_init (struct plugin_name_args *plugin_info,
+             struct plugin_gcc_version *version)
 {
   struct plugin_pass pass_info;
+  const char *plugin_name = plugin_info->base_name;
+  int argc = plugin_info->argc;
+  struct plugin_argument *argv = plugin_info->argv;
   char *ref_pass_name = NULL;
   int ref_instance_number = 0;
   int i;

gcc/testsuite/g++.dg/plugin/selfassign.c

@@ -294,10 +294,13 @@ static struct gimple_opt_pass pass_warn_self_assign =
    Note that this function needs to be named exactly "plugin_init".  */
 
 int
-plugin_init (const char *plugin_name, struct plugin_gcc_version *version,
-	     int argc, struct plugin_argument *argv)
+plugin_init (struct plugin_name_args *plugin_info,
+             struct plugin_gcc_version *version)
 {
   struct plugin_pass pass_info;
+  const char *plugin_name = plugin_info->base_name;
+  int argc = plugin_info->argc;
+  struct plugin_argument *argv = plugin_info->argv;
   bool enabled = true;
   int i;
 

gcc/testsuite/gcc.dg/plugin/selfassign.c

@@ -294,10 +294,13 @@ static struct gimple_opt_pass pass_warn_self_assign =
    Note that this function needs to be named exactly "plugin_init".  */
 
 int
-plugin_init (const char *plugin_name, struct plugin_gcc_version *version,
-	     int argc, struct plugin_argument *argv)
+plugin_init (struct plugin_name_args *plugin_info,
+             struct plugin_gcc_version *version)
 {
   struct plugin_pass pass_info;
+  const char *plugin_name = plugin_info->base_name;
+  int argc = plugin_info->argc;
+  struct plugin_argument *argv = plugin_info->argv;
   bool enabled = true;
   int i;