1 files changed, 144 insertions, 0 deletions
diff --git a/dwarflint/check_debug_abbrev.hh b/dwarflint/check_debug_abbrev.hh
new file mode 100644
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+++ b/dwarflint/check_debug_abbrev.hh
@@ -0,0 +1,144 @@
+/* Low-level checking of .debug_abbrev.
+   Copyright (C) 2009, 2010, 2011 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 the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   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 a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef DWARFLINT_CHECK_DEBUG_ABBREV_HH
+#define DWARFLINT_CHECK_DEBUG_ABBREV_HH
+
+#include "checks.hh"
+#include "sections_i.hh"
+#include "check_debug_info_i.hh"
+#include "dwarf_version_i.hh"
+
+namespace locus_simple_fmt
+{
+  char const *abbr_offset_n ();
+}
+
+typedef fixed_locus<sec_abbrev,
+		    locus_simple_fmt::abbr_offset_n,
+		    locus_simple_fmt::hex> abbrev_locus;
+
+class abbrev_attrib_locus
+  : public locus
+{
+  uint64_t _m_abbr_offset;
+  uint64_t _m_attr_offset;
+  int _m_name;
+
+public:
+  explicit abbrev_attrib_locus (uint64_t abbr_offset = -1,
+				uint64_t attr_offset = -1,
+				int name = -1);
+
+  abbrev_attrib_locus (abbrev_attrib_locus const &copy);
+
+  abbrev_attrib_locus non_symbolic ();
+
+  void set_name (int name);
+  std::string format (bool brief = false) const;
+  std::string name () const;
+};
+
+struct abbrev_attrib
+{
+  abbrev_attrib_locus where;
+  uint16_t name;
+  uint8_t form;
+
+  abbrev_attrib ()
+    : where ()
+    , name (0)
+    , form (0)
+  {}
+};
+
+struct abbrev
+{
+  abbrev_locus where;
+  uint64_t code;
+
+  /* Attributes.  */
+  abbrev_attrib *attribs;
+  size_t size;
+  size_t alloc;
+
+  /* While ULEB128 can hold numbers > 32bit, these are not legal
+     values of many enum types.  So just use as large type as
+     necessary to cover valid values.  */
+  uint16_t tag;
+  bool has_children;
+
+  /* Whether some DIE uses this abbrev.  */
+  bool used;
+
+  explicit abbrev (abbrev_locus const &loc)
+    : where (loc)
+    , code (0)
+    , attribs (0)
+    , size (0)
+    , alloc (0)
+    , tag (0)
+    , has_children (false)
+    , used (false)
+  {}
+};
+
+struct abbrev_table
+{
+  struct abbrev_table *next;
+  struct abbrev *abbr;
+  uint64_t offset;
+  size_t size;
+  size_t alloc;
+  bool used;		/* There are CUs using this table.  */
+
+  abbrev *find_abbrev (uint64_t abbrev_code) const;
+
+  abbrev_table ()
+    : next (NULL)
+    , abbr (NULL)
+    , offset (0)
+    , size (0)
+    , alloc (0)
+    , used (false)
+  {}
+};
+
+class check_debug_abbrev
+  : public check<check_debug_abbrev>
+{
+  section<sec_abbrev> *_m_sec_abbr;
+  read_cu_headers *_m_cu_headers;
+
+public:
+  static checkdescriptor const *descriptor ();
+
+  // offset -> abbreviations
+  typedef std::map< ::Dwarf_Off, abbrev_table> abbrev_map;
+  abbrev_map const abbrevs;
+
+  check_debug_abbrev (checkstack &stack, dwarflint &lint);
+  static form const *check_form (dwarf_version const *ver,
+				 attribute const *attr,
+				 int form_name,
+				 locus const &loc,
+				 bool indirect);
+
+  ~check_debug_abbrev ();
+};
+
+#endif//DWARFLINT_CHECK_DEBUG_ABBREV_HH