Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/libdw/dwarf_getcfi.c b/libdw/dwarf_getcfi.c
new file mode 100644
index 0000000..9aed403
--- /dev/null
+++ b/libdw/dwarf_getcfi.c
@@ -0,0 +1,72 @@
+/* Get CFI from DWARF file.
+ Copyright (C) 2009 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 "libdwP.h"
+#include "cfi.h"
+#include <dwarf.h>
+
+Dwarf_CFI *
+dwarf_getcfi (Dwarf *dbg)
+{
+ if (dbg == NULL)
+ return NULL;
+
+ if (dbg->cfi == NULL && dbg->sectiondata[IDX_debug_frame] != NULL)
+ {
+ Dwarf_CFI *cfi = libdw_typed_alloc (dbg, Dwarf_CFI);
+
+ cfi->dbg = dbg;
+ cfi->data = (Elf_Data_Scn *) dbg->sectiondata[IDX_debug_frame];
+
+ cfi->search_table = NULL;
+ cfi->search_table_vaddr = 0;
+ cfi->search_table_entries = 0;
+ cfi->search_table_encoding = DW_EH_PE_omit;
+
+ cfi->frame_vaddr = 0;
+ cfi->textrel = 0;
+ cfi->datarel = 0;
+
+ cfi->e_ident = (unsigned char *) elf_getident (dbg->elf, NULL);
+ cfi->other_byte_order = dbg->other_byte_order;
+
+ cfi->next_offset = 0;
+ cfi->cie_tree = cfi->fde_tree = cfi->expr_tree = NULL;
+
+ cfi->ebl = NULL;
+
+ dbg->cfi = cfi;
+ }
+
+ return dbg->cfi;
+}
+INTDEF (dwarf_getcfi)