gdb

	PR c++/9946:
	* symfile.c (reread_symbols): Clear template_symbols.
	* symtab.h (struct symbol) <is_cplus_template_function>: New
	field.
	(SYMBOL_IS_CPLUS_TEMPLATE_FUNCTION): New macro.
	(struct template_symbol): New.
	* symtab.c (lookup_symbol_aux_local): Use
	cp_lookup_symbol_imports_or_template.
	* objfiles.h (struct objfile) <template_symbols>: New field.
	* objfiles.c (relocate_one_symbol): New function.
	(objfile_relocate1): Use it.  Relocate isolated symbols.
	* gdbtypes.h (struct cplus_struct_type) <n_template_arguments,
	template_arguments>: New fields.
	(TYPE_N_TEMPLATE_ARGUMENTS): New macro.
	(TYPE_TEMPLATE_ARGUMENTS): Likewise.
	(TYPE_TEMPLATE_ARGUMENT): Likewise.
	(lookup_typename): Update.
	* gdbtypes.c (lookup_typename): Constify "block" argument.
	* dwarf2read.c: Include vec.h.
	(symbolp): New typedef.
	(read_func_scope): Read template arguments.  Allocate a
	template_symbol when needed.
	(read_structure_type): Read template arguments.
	(new_symbol_full): New function, from new_symbol.  Handle
	DW_TAG_template_type_param and DW_TAG_template_value_param.
	(new_symbol): Rewrite as wrapper.
	* cp-support.h (cp_lookup_symbol_imports_or_template): Declare.
	* cp-namespace.c: Include language.h.
	(search_symbol_list): New function.
	(cp_lookup_symbol_imports_or_template): Likewise.
gdb/testsuite
	PR c++/9946:
	* gdb.cp/temargs.exp: New file.
	* gdb.cp/temargs.cc: New file.

1 files changed, 16 insertions, 1 deletions

diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h
index 085270e21d2..dba7284377d 100644
--- a/gdb/gdbtypes.h
+++ b/gdb/gdbtypes.h
@@ -681,6 +681,9 @@ struct cplus_struct_type
 
     short nfn_fields_total;
 
+    /* Number of template arguments.  */
+    unsigned short n_template_arguments;
+
     /* One if this struct is a dynamic class, as defined by the
        Itanium C++ ABI: if it requires a virtual table pointer,
        because it or any of its base classes have one or more virtual
@@ -826,6 +829,11 @@ struct cplus_struct_type
       }
     *typedef_field;
     unsigned typedef_field_count;
+
+    /* The template arguments.  This is an array with
+       N_TEMPLATE_ARGUMENTS elements.  This is NULL for non-template
+       classes.  */
+    struct symbol **template_arguments;
   };
 
 /* Struct used in computing virtual base list */
@@ -1023,6 +1031,13 @@ extern void allocate_gnat_aux_type (struct type *);
 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
 
+#define TYPE_N_TEMPLATE_ARGUMENTS(thistype) \
+  TYPE_CPLUS_SPECIFIC (thistype)->n_template_arguments
+#define TYPE_TEMPLATE_ARGUMENTS(thistype) \
+  TYPE_CPLUS_SPECIFIC (thistype)->template_arguments
+#define TYPE_TEMPLATE_ARGUMENT(thistype, n) \
+  TYPE_CPLUS_SPECIFIC (thistype)->template_arguments[n]
+
 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
@@ -1353,7 +1368,7 @@ extern char *gdb_mangle_name (struct type *, int, int);
 
 extern struct type *lookup_typename (const struct language_defn *,
 				     struct gdbarch *, char *,
-				     struct block *, int);
+				     const struct block *, int);
 
 extern struct type *lookup_template_type (char *, struct type *,
 					  struct block *);