Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/libdwfl/dwfl_getdwarf.c b/libdwfl/dwfl_getdwarf.c
new file mode 100644
index 0000000..edd088e
--- /dev/null
+++ b/libdwfl/dwfl_getdwarf.c
@@ -0,0 +1,63 @@
+/* Iterate through modules to fetch Dwarf information.
+ Copyright (C) 2005, 2008 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "libdwflP.h"
+
+struct module_callback_info
+{
+ int (*callback) (Dwfl_Module *, void **,
+ const char *, Dwarf_Addr,
+ Dwarf *, Dwarf_Addr, void *);
+ void *arg;
+};
+
+static int
+module_callback (Dwfl_Module *mod, void **userdata,
+ const char *name, Dwarf_Addr start, void *arg)
+{
+ const struct module_callback_info *info = arg;
+ Dwarf_Addr bias = 0;
+ Dwarf *dw = INTUSE(dwfl_module_getdwarf) (mod, &bias);
+ return (*info->callback) (mod, userdata, name, start, dw, bias, info->arg);
+}
+
+ptrdiff_t
+dwfl_getdwarf (Dwfl *dwfl,
+ int (*callback) (Dwfl_Module *, void **,
+ const char *, Dwarf_Addr,
+ Dwarf *, Dwarf_Addr, void *),
+ void *arg,
+ ptrdiff_t offset)
+{
+ struct module_callback_info info = { callback, arg };
+ return INTUSE(dwfl_getmodules) (dwfl, &module_callback, &info, offset);
+}