/*
-** Copyright (C) 2001 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Goetz Lindenmaier
-**
-** dbginfo: This is a empty implementation of the Firm interface to
-** debugging support. It only guarantees that the Firm library compiles
-** and runs without any real debugging support.
-** The functions herein are declared weak so that they can be overriden
-** by a real implementation.
-*/
-
-/* $Id$ */
-
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief Implements the Firm interface to debug information.
+ * @author Goetz Lindenmaier, Michael Beck
+ * @date 2001
+ * @version $Id$
+ */
#ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
#endif
#include "dbginfo_t.h"
#include "type_t.h"
#include "entity_t.h"
+merge_pair_func *__dbg_info_merge_pair = default_dbg_info_merge_pair;
-INLINE void
-dbg_info_merge_pair(ir_node *nw, ir_node *old, dbg_action info) {
- set_irn_dbg_info(nw, get_irn_dbg_info(old));
-}
-
-INLINE void
-dbg_info_merge_sets(ir_node **new_nodes, int n_new_nodes,
- ir_node **old_nodes, int n_old_nodes,
- dbg_action info) {
-}
-
-
-void (*__dbg_info_merge_pair)(ir_node *nw, ir_node *old, dbg_action info)
- = &dbg_info_merge_pair;
+merge_sets_func *__dbg_info_merge_sets = default_dbg_info_merge_sets;
-void (*__dbg_info_merge_sets)(ir_node **new_nodes, int n_new_nodes,
- ir_node **old_nodes, int n_old_nodes,
- dbg_action info)
- = &dbg_info_merge_sets;
+snprint_dbg_func *__dbg_info_snprint = (snprint_dbg_func *)0;
+void dbg_init( merge_pair_func *mpf, merge_sets_func *msf, snprint_dbg_func *snprint_dbg )
+{
+ __dbg_info_merge_pair = mpf ? mpf : default_dbg_info_merge_pair;
+ __dbg_info_merge_sets = msf ? msf : default_dbg_info_merge_sets;
+ __dbg_info_snprint = snprint_dbg;
+} /* dbg_init */
-void dbg_init( void (merge_pair)(ir_node *nw, ir_node *old, dbg_action info) ,
- void (merge_sets)(ir_node **new_nodes, int n_new_nodes,
- ir_node **old_nodes, int n_old_nodes,
- dbg_action info)
- ) {
- __dbg_info_merge_pair = merge_pair;
- __dbg_info_merge_sets = merge_sets;
-}
-
-
-INLINE void
-set_irn_dbg_info(ir_node *n, struct dbg_info* db) {
- n->dbi = db;
-}
-
-INLINE struct dbg_info *
-get_irn_dbg_info(ir_node *n) {
- return n->dbi;
+/*
+ * Converts a debug_action into a string.
+ */
+const char *dbg_action_2_str(dbg_action a) {
+#define CASE(a) case a: return #a
+
+ switch (a) {
+ CASE(dbg_error);
+ CASE(dbg_opt_ssa);
+ CASE(dbg_opt_auxnode);
+ CASE(dbg_const_eval);
+ CASE(dbg_opt_cse);
+ CASE(dbg_straightening);
+ CASE(dbg_if_simplification);
+ CASE(dbg_algebraic_simplification);
+ CASE(dbg_write_after_write);
+ CASE(dbg_write_after_read);
+ CASE(dbg_read_after_write);
+ CASE(dbg_read_after_read);
+ CASE(dbg_read_a_const);
+ CASE(dbg_rem_poly_call);
+ CASE(dbg_dead_code);
+ CASE(dbg_opt_confirm);
+ CASE(dbg_gvn_pre);
+ CASE(dbg_combo);
+ CASE(dbg_backend);
+ default:
+ if (a <= dbg_max)
+ return "string conversion not implemented";
+ else
+ assert(!"Missing debug action in dbg_action_2_str()");
+ return NULL;
+ }
+#undef CASE
+} /* dbg_action_2_str */
+
+
+void default_dbg_info_merge_pair(ir_node *nw, ir_node *old, dbg_action info) {
+ dbg_info *new_db = get_irn_dbg_info(nw);
+ (void) info;
+ if (new_db == NULL)
+ set_irn_dbg_info(nw, get_irn_dbg_info(old));
+} /* default_dbg_info_merge_pair */
+
+void default_dbg_info_merge_sets(ir_node **new_nodes, int n_new_nodes,
+ ir_node **old_nodes, int n_old_nodes,
+ dbg_action info) {
+ (void) info;
+ if (n_old_nodes == 1) {
+ dbg_info *old_db = get_irn_dbg_info(old_nodes[0]);
+ int i;
+
+ for (i = 0; i < n_new_nodes; ++i)
+ if (get_irn_dbg_info(new_nodes[i]) == NULL)
+ set_irn_dbg_info(new_nodes[i], old_db);
+ }
+} /* default_dbg_info_merge_sets */
+
+/** The debug info retriever function. */
+static retrieve_dbg_func retrieve_dbg = NULL;
+
+/* Sets a debug info retriever. */
+void ir_set_debug_retrieve(retrieve_dbg_func func) {
+ retrieve_dbg = func;
}
+/* Retrieve the debug info. */
+const char *ir_retrieve_dbg_info(const dbg_info *dbg, unsigned *line) {
+ if (retrieve_dbg)
+ return retrieve_dbg(dbg, line);
-/* Routines to access the field of an entity containing the
- debugging information. */
-INLINE void set_entity_dbg_info(entity *ent, dbg_info* db) {
- ent->dbi = db;
-}
-INLINE dbg_info *get_entity_dbg_info(entity *ent) {
- return ent->dbi;
-}
-/* Routines to access the field of a type containing the
- debugging information. */
-INLINE void set_type_dbg_info(type *tp, dbg_info* db) {
- tp->dbi = db;
-}
-INLINE dbg_info *get_type_dbg_info(type *tp) {
- return tp->dbi;
+ *line = 0;
+ return NULL;
}
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