1 files changed, 100 insertions, 0 deletions
diff --git a/gcc/c-mudflap.c b/gcc/c-mudflap.c
new file mode 100644
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--- /dev/null
+++ b/gcc/c-mudflap.c
@@ -0,0 +1,100 @@
+/* Mudflap: narrow-pointer bounds-checking by tree rewriting:
+   C front-end interface.
+
+   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+   Contributed by Frank Ch. Eigler <fche@redhat.com>
+   and Graydon Hoare <graydon@redhat.com>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.  */
+
+
+#include "config.h"
+#include "errors.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tree.h"
+#include "tree-inline.h"
+#include "c-tree.h"
+#include "c-common.h"
+#include "diagnostic.h"
+#include "output.h"
+#include "varray.h"
+#include "tree-mudflap.h"
+#include "target.h"
+#include "flags.h"
+#include "rtl.h"
+#include "toplev.h"
+#include "function.h"
+
+
+
+/* ------------------------------------------------------------------------ */
+
+
+/* Initialize the global tree nodes that correspond to mf-runtime.h
+   declarations.  */
+tree
+mflang_lookup_decl (const char* name)
+{
+  tree decl = lookup_name (get_identifier (name));
+  if (decl == NULL_TREE)
+    internal_error ("mudflap: cannot find declaration of `%s' from mf-runtime.h",
+		    name);
+
+  return decl;
+}
+
+
+/* Emit a synthetic CTOR function for the current file.  Populate it from
+   the enqueued __mf_register calls.  Compile the function.  */
+
+void
+mflang_flush_calls (tree enqueued_call_stmt_chain)
+{
+  tree fnname, t1, t2, body, block, scope;
+
+  /* Short-circuit!  */
+  if (enqueued_call_stmt_chain == NULL_TREE)
+    return;
+
+  fnname = get_identifier ("__mudflap_static_initializer");
+  t1 = build_tree_list (NULL_TREE, void_type_node);
+  t2 = tree_cons (NULL, NULL, t1);
+  start_function (t1, build_nt (CALL_EXPR, fnname, t2, NULL), NULL);
+  store_parm_decls ();
+
+  DECL_STATIC_CONSTRUCTOR (current_function_decl) = 1;
+  TREE_PUBLIC (current_function_decl) = 0;
+  TREE_USED (current_function_decl) = 1;
+  mf_mark (current_function_decl);
+
+  body = c_begin_compound_stmt ();
+  push_scope ();
+  clear_last_expr ();
+  add_scope_stmt (/*begin_p=*/1, /*partial_p=*/0);
+
+  c_expand_expr_stmt (enqueued_call_stmt_chain);
+
+  scope = add_scope_stmt (/*begin_p=*/0, /*partial_p=*/0);
+  block = pop_scope ();
+  SCOPE_STMT_BLOCK (TREE_PURPOSE (scope)) = block;
+  SCOPE_STMT_BLOCK (TREE_VALUE (scope)) = block;
+  RECHAIN_STMTS (body, COMPOUND_BODY (body));
+  finish_function ();
+}