Adjust for monotone.
diff --git a/libdwfl/dwfl_getdwarf.c b/libdwfl/dwfl_getdwarf.c
new file mode 100644
index 0000000..cae49da
--- /dev/null
+++ b/libdwfl/dwfl_getdwarf.c
@@ -0,0 +1,40 @@
+/* Iterate through modules to fetch Dwarf information.
+   Copyright (C) 2005 Red Hat, Inc.
+
+   This program is Open Source software; you can redistribute it and/or
+   modify it under the terms of the Open Software License version 1.0 as
+   published by the Open Source Initiative.
+
+   You should have received a copy of the Open Software License along
+   with this program; if not, you may obtain a copy of the Open Software
+   License version 1.0 from http://www.opensource.org/licenses/osl.php or
+   by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
+   3001 King Ranch Road, Ukiah, CA 95482.   */
+
+#include "libdwflP.h"
+
+ptrdiff_t
+dwfl_getdwarf (Dwfl *dwfl,
+	       int (*callback) (Dwfl_Module *, void **,
+				const char *, Dwarf_Addr,
+				Dwarf *, Dwarf_Addr, void *),
+	       void *arg,
+	       ptrdiff_t offset)
+{
+  if (dwfl == NULL)
+    return -1;
+
+  if ((size_t) offset > dwfl->nmodules)
+    return -1;
+
+  while ((size_t) offset < dwfl->nmodules)
+    {
+      Dwfl_Module *mod = dwfl->modules[offset++];
+      Dwarf_Addr bias = 0;
+      Dwarf *dw = INTUSE(dwfl_module_getdwarf) (mod, &bias);
+      if ((*callback) (MODCB_ARGS (mod), dw, bias, arg) != DWARF_CB_OK)
+	return offset;
+    }
+
+  return 0;
+}