Merge branch 'master' into devel/sphinx

1 files changed, 44 insertions, 0 deletions

diff --git a/gcc/dwarf2out.h b/gcc/dwarf2out.h
index 54b6343..057afdb 100644
--- a/gcc/dwarf2out.h
+++ b/gcc/dwarf2out.h
@@ -387,4 +387,48 @@ struct fixed_point_type_info
 
 void dwarf2out_c_finalize (void);
 
+/* Some DWARF internals are exposed for the needs of DWARF-based debug
+   formats.  */
+
+/* Each DIE attribute has a field specifying the attribute kind,
+   a link to the next attribute in the chain, and an attribute value.
+   Attributes are typically linked below the DIE they modify.  */
+
+typedef struct GTY(()) dw_attr_struct {
+  enum dwarf_attribute dw_attr;
+  dw_val_node dw_attr_val;
+}
+dw_attr_node;
+
+extern dw_attr_node *get_AT (dw_die_ref, enum dwarf_attribute);
+extern HOST_WIDE_INT AT_int (dw_attr_node *);
+extern unsigned HOST_WIDE_INT AT_unsigned (dw_attr_node *a);
+extern dw_loc_descr_ref AT_loc (dw_attr_node *);
+extern dw_die_ref get_AT_ref (dw_die_ref, enum dwarf_attribute);
+extern const char *get_AT_string (dw_die_ref, enum dwarf_attribute);
+extern enum dw_val_class AT_class (dw_attr_node *);
+extern unsigned HOST_WIDE_INT AT_unsigned (dw_attr_node *);
+extern unsigned get_AT_unsigned (dw_die_ref, enum dwarf_attribute);
+extern int get_AT_flag (dw_die_ref, enum dwarf_attribute);
+
+extern void add_name_attribute (dw_die_ref, const char *);
+
+extern dw_die_ref new_die_raw (enum dwarf_tag);
+extern dw_die_ref base_type_die (tree, bool);
+
+extern dw_die_ref lookup_decl_die (tree);
+
+extern dw_die_ref dw_get_die_child (dw_die_ref);
+extern dw_die_ref dw_get_die_sib (dw_die_ref);
+extern enum dwarf_tag dw_get_die_tag (dw_die_ref);
+
+/* Data about a single source file.  */
+struct GTY((for_user)) dwarf_file_data {
+  const char * filename;
+  int emitted_number;
+};
+
+extern struct dwarf_file_data *get_AT_file (dw_die_ref,
+					    enum dwarf_attribute);
+
 #endif /* GCC_DWARF2OUT_H */