Fix PR gdb/20948: --write option to GDB causes segmentation fault

[deliverable/binutils-gdb.git] / gdb / dwarf2read.h

diff --git a/gdb/dwarf2read.h b/gdb/dwarf2read.h
index 74335d77db09d5a0fb452cb278684151b5873d12..67ebc1902b2a4236d0e529c25213c655920ac4ef 100644 (file)
--- a/gdb/dwarf2read.h
+++ b/gdb/dwarf2read.h
@@ -20,9 +20,15 @@
 #ifndef DWARF2READ_H
 #define DWARF2READ_H
 
+#include <unordered_map>
+#include "dwarf-index-cache.h"
 #include "filename-seen-cache.h"
 #include "gdb_obstack.h"
 
+/* Hold 'maintenance (set|show) dwarf' commands.  */
+extern struct cmd_list_element *set_dwarf_cmdlist;
+extern struct cmd_list_element *show_dwarf_cmdlist;
+
 typedef struct dwarf2_per_cu_data *dwarf2_per_cu_ptr;
 DEF_VEC_P (dwarf2_per_cu_ptr);
 
@@ -90,6 +96,8 @@ struct dwarf2_debug_sections;
 struct mapped_index;
 struct mapped_debug_names;
 struct signatured_type;
+struct die_info;
+typedef struct die_info *die_info_ptr;
 
 /* Collection of data recorded per objfile.
    This hangs off of dwarf2_objfile_data_key.  */
@@ -241,6 +249,15 @@ public:
   /* Table containing all filenames.  This is an optional because the
      table is lazily constructed on first access.  */
   gdb::optional<filename_seen_cache> filenames_cache;
+
+  /* If we loaded the index from an external file, this contains the
+     resources associated to the open file, memory mapping, etc.  */
+  std::unique_ptr<index_cache_resource> index_cache_res;
+
+  /* Mapping from abstract origin DIE to concrete DIEs that reference it as
+     DW_AT_abstract_origin.  */
+  std::unordered_map<die_info_ptr, std::vector<die_info_ptr>>
+    abstract_to_concrete;
 };
 
 /* Get the dwarf2_per_objfile associated to OBJFILE.  */