/* Demonstrates how to add custom attributes */
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/* Demonstrates how to add custom attributes */
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#include "gcc-plugin.h"
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#include "gcc-plugin.h"
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#include <stdlib.h>
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#include <stdlib.h>
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tree.h"
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#include "tree.h"
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#include "tree-pass.h"
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#include "tree-pass.h"
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#include "intl.h"
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#include "intl.h"
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int plugin_is_GPL_compatible;
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int plugin_is_GPL_compatible;
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/* Attribute handler callback */
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/* Attribute handler callback */
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static tree
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static tree
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handle_user_attribute (tree *node, tree name, tree args,
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handle_user_attribute (tree *node, tree name, tree args,
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int flags, bool *no_add_attrs)
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int flags, bool *no_add_attrs)
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{
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{
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return NULL_TREE;
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return NULL_TREE;
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}
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}
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/* Attribute definition */
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/* Attribute definition */
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static struct attribute_spec user_attr =
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static struct attribute_spec user_attr =
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{ "user", 1, 1, false, false, false, handle_user_attribute };
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{ "user", 1, 1, false, false, false, handle_user_attribute };
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/* Plugin callback called during attribute registration */
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/* Plugin callback called during attribute registration */
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static void
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static void
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register_attributes (void *event_data, void *data)
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register_attributes (void *event_data, void *data)
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{
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{
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warning (0, G_("Callback to register attributes"));
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warning (0, G_("Callback to register attributes"));
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register_attribute (&user_attr);
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register_attribute (&user_attr);
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}
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}
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/* Callback function to invoke before the function body is genericized. */
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/* Callback function to invoke before the function body is genericized. */
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void
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void
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handle_pre_generic (void *event_data, void *data)
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handle_pre_generic (void *event_data, void *data)
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{
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{
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tree fndecl = (tree) event_data;
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tree fndecl = (tree) event_data;
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tree arg;
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tree arg;
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for (arg = DECL_ARGUMENTS(fndecl); arg; arg = TREE_CHAIN (arg)) {
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for (arg = DECL_ARGUMENTS(fndecl); arg; arg = TREE_CHAIN (arg)) {
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tree attr;
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tree attr;
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for (attr = DECL_ATTRIBUTES (arg); attr; attr = TREE_CHAIN (attr)) {
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for (attr = DECL_ATTRIBUTES (arg); attr; attr = TREE_CHAIN (attr)) {
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tree attrname = TREE_PURPOSE (attr);
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tree attrname = TREE_PURPOSE (attr);
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tree attrargs = TREE_VALUE (attr);
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tree attrargs = TREE_VALUE (attr);
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warning (0, G_("attribute '%s' on param '%s' of function %s"),
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warning (0, G_("attribute '%s' on param '%s' of function %s"),
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IDENTIFIER_POINTER (attrname),
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IDENTIFIER_POINTER (attrname),
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IDENTIFIER_POINTER (DECL_NAME (arg)),
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IDENTIFIER_POINTER (DECL_NAME (arg)),
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IDENTIFIER_POINTER (DECL_NAME (fndecl))
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IDENTIFIER_POINTER (DECL_NAME (fndecl))
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);
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);
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}
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}
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}
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}
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}
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}
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int
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int
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plugin_init (struct plugin_name_args *plugin_info,
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plugin_init (struct plugin_name_args *plugin_info,
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struct plugin_gcc_version *version)
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struct plugin_gcc_version *version)
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{
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{
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const char *plugin_name = plugin_info->base_name;
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const char *plugin_name = plugin_info->base_name;
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register_callback (plugin_name, PLUGIN_PRE_GENERICIZE,
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register_callback (plugin_name, PLUGIN_PRE_GENERICIZE,
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handle_pre_generic, NULL);
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handle_pre_generic, NULL);
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register_callback (plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
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register_callback (plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
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return 0;
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return 0;
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}
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}
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