gdb

	PR gdb/12617:
	* value.h (value_from_contents): Declare.
	* value.c (value_from_contents): New function.
	* dwarf2read.c (dwarf_stack_op_name): Add new values.
	(dwarf2_get_die_type): New function.
	* dwarf2loc.c (dwarf_expr_get_base_type): New function.
	(allocate_piece_closure): Acquire reference to values.
	(read_pieced_value): Update for value-based expressions.
	(write_pieced_value): Likewise.
	(free_pieced_value_closure): Call value_free as needed.
	(dwarf2_evaluate_loc_desc_full): Set get_base_type field.
	Update for value-based expressions.
	* dwarf2loc.h (dwarf2_get_die_type): Declare.
	* dwarf2expr.h (struct dwarf_stack_value) <value>: Change type.
	<get_base_type>: New field.
	(struct dwarf_expr_piece) <v.value>: Change type.
	<v.regno>: New field.
	(struct dwarf_expr_context) <mark>: New field.
	(dwarf_expr_piece, dwarf_expr_fetch): Update.
	(dwarf_expr_pop, dwarf_expr_push): Remove.
	(dwarf_expr_push_address): Declare.
	* dwarf2expr.c (dwarf_arch_cookie): New global.
	(struct dwarf_gdbarch_types): New.
	(dwarf_gdbarch_types_init, dwarf_expr_address_type): New
	functions.
	(dwarf_expr_push): Change type of 'value' argument.  Update.  Now
	static.
	(dwarf_expr_push_address): New function.
	(dwarf_expr_pop): Now static.
	(dwarf_expr_fetch): Change return type.
	(dwarf_require_integral): New function.
	(dwarf_expr_fetch): Simplify.
	(add_piece): Update.
	(base_types_equal_p, dwarf_get_base_type, get_unsigned_type): New
	functions.
	(execute_stack_op) <sign_ext>: Remove.
	Use values for DWARF stack.
	<DW_OP_GNU_const_type, DW_OP_GNU_deref_type,
	DW_OP_GNU_regval_type, DW_OP_GNU_convert, DW_OP_GNU_reinterpret>:
	New cases.
	(_initialize_dwarf2expr): New function.
	(add_piece): Update.
	(new_dwarf_expr_context): Set new field.
	(free_dwarf_expr_context): Call value_free_to_mark.
	* dwarf2-frame.c (no_base_type): New function.
	(execute_stack_op): Set get_base_type field.  Update.
gdb/testsuite
	* gdb.dwarf2/typeddwarf.S: New file.
	* gdb.dwarf2/typeddwarf.c: New file.
	* gdb.dwarf2/typeddwarf.exp: New file.

1 files changed, 3 insertions, 0 deletions

diff --git a/gdb/dwarf2loc.h b/gdb/dwarf2loc.h
index 96a490e..08849ed 100644
--- a/gdb/dwarf2loc.h
+++ b/gdb/dwarf2loc.h
@@ -59,6 +59,9 @@ struct dwarf2_locexpr_baton dwarf2_fetch_die_location_block
    CORE_ADDR (*get_frame_pc) (void *baton),
    void *baton);
 
+struct type *dwarf2_get_die_type (unsigned int die_offset,
+				  struct dwarf2_per_cu_data *per_cu);
+
 /* Evaluate a location description, starting at DATA and with length
    SIZE, to find the current location of variable of TYPE in the context
    of FRAME.  */