gdb

	* opencl-lang.c (lval_func_check_synthetic_pointer): New
	function.
	* value.h (struct lval_funcs) <indirect, check_synthetic_pointer>:
	New fields.
	(value_bits_synthetic_pointer): Declare.
	* value.c (value_bits_synthetic_pointer): New function.
	* valprint.c (valprint_check_validity): Handle synthetic
	pointers.
	* valops.c (value_ind): Use new 'indirect' lval_funcs method.
	* valarith.c (value_ptradd): Use set_value_component_location.
	* p-valprint.c (pascal_object_print_value_fields): Handle
	synthetic pointers.
	* jv-valprint.c (java_print_value_fields): Handle synthetic
	pointers.
	* dwarf2read.c (dwarf_stack_op_name): Add
	DW_OP_GNU_implicit_pointer.
	(dwarf2_fetch_die_location_block): Add get_frame_pc, baton
	arguments.  Handle location lists.
	(fill_in_loclist_baton): New function.
	(dwarf2_symbol_mark_computed): Use it.
	* dwarf2loc.h (dwarf2_find_location_expression): Declare.
	(dwarf2_fetch_die_location_block): Add get_frame_pc, baton
	arguments.
	* dwarf2loc.c (dwarf2_find_location_expression): Rename from
	find_location_expression.  No longer static.  Update all callers.
	(dwarf_expr_frame_pc): New function.
	(per_cu_dwarf_call): Add get_frame_pc, baton arguments.  Update
	all callers.
	(struct piece_closure) <per_cu>: New field.
	(allocate_piece_closure): Add per_cu argument.
	(read_pieced_value): Handle DWARF_VALUE_IMPLICIT_POINTER.
	(check_pieced_value_bits): Remove validity argument, add check_for
	argument.  Handle DWARF_VALUE_IMPLICIT_POINTER.
	(check_pieced_value_validity, check_pieced_value_invalid):
	Update.
	(check_pieced_synthetic_pointer): New function.
	(get_frame_address_in_block_wrapper): New function.
	(indirect_pieced_value): New function.
	(pieced_value_funcs): Update.
	(invalid_synthetic_pointer): New function.
	(dwarf2_evaluate_loc_desc_full): Rename from
	dwarf2_evaluate_loc_desc.  Add byte_offset argument.
	(dwarf2_evaluate_loc_desc): Rewrite.
	(dwarf2_loc_desc_needs_frame): Set new field on context.
	(get_ax_pc): New function.
	(disassemble_dwarf_expression): Handle
	DW_OP_GNU_implicit_pointer.
	* dwarf2expr.h (enum dwarf_value_location)
	<DWARF_VALUE_IMPLICIT_POINTER>: New constant.
	(struct dwarf_expr_context) <get_frame_pc>: New field.
	(struct dwarf_expr_piece) <v.ptr>: New field.
	* dwarf2expr.c (add_piece): Handle DWARF_VALUE_IMPLICIT_POINTER.
	(execute_stack_op): Handle DW_OP_GNU_implicit_pointer.
	* dwarf2-frame.c (no_get_frame_pc): New function.
	(execute_stack_op): Set new field on context.
	* cp-valprint.c (cp_print_value_fields): Handle synthetic
	pointers.
gdb/testsuite
	* gdb.dwarf2/implptr.exp: New file.
	* gdb.dwarf2/implptr.c: New file.
	* gdb.dwarf2/implptr.S: New file.

1 files changed, 10 insertions, 0 deletions

diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index d7d8b97..d09a377 100644
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -325,6 +325,15 @@ no_get_frame_cfa (void *baton)
 		  _("Support for DW_OP_call_frame_cfa is unimplemented"));
 }
 
+/* Helper function for execute_stack_op.  */
+
+static CORE_ADDR
+no_get_frame_pc (void *baton)
+{
+  internal_error (__FILE__, __LINE__,
+		  _("Support for DW_OP_GNU_implicit_pointer is unimplemented"));
+}
+
 static CORE_ADDR
 no_get_tls_address (void *baton, CORE_ADDR offset)
 {
@@ -391,6 +400,7 @@ execute_stack_op (const gdb_byte *exp, ULONGEST len, int addr_size,
   ctx->read_mem = read_mem;
   ctx->get_frame_base = no_get_frame_base;
   ctx->get_frame_cfa = no_get_frame_cfa;
+  ctx->get_frame_pc = no_get_frame_pc;
   ctx->get_tls_address = no_get_tls_address;
   ctx->dwarf_call = no_dwarf_call;