gdb

	PR gdb/9977, PR exp/11636:
	* value.h (value_offset): Update.
	(struct lval_funcs) <check_validity>: New field.
	<copy_closure>: Make argument const.
	(value_computed_closure): Update.
	(value_contents_for_printing): Declare.
	(value_bits_valid): Likewise.
	(val_print): Likewise.
	(set_value_component_location): Update.
	(value_entirely_optimized_out): Declare.
	* value.c (value_offset): Argument now const.
	(require_not_optimized_out): New function.
	(value_contents_for_printing): New function.
	(value_contents_all): Call require_not_optimized_out.
	(value_contents): Likewise.
	(value_bits_valid): New function.
	(value_computed_closure): Argument now const.
	(set_value_component_location): Make 'whole' argument const.
	(value_entirely_optimized_out): New function.
	(value_bitsize): Argument now 'const'.
	(value_bitpos): Likewise.
	(value_type): Likewise.
	* valprint.h (val_print_array_elements): Update.
	* valprint.c (val_print): Add 'val' argument.  Use
	valprint_check_validity.
	(valprint_check_validity): New function.
	(value_check_printable): Use value_entirely_optimized_out.
	(common_val_print): Update.
	(value_print): Likewise.
	(val_print_array_elements): Add 'val' argument.
	* valops.c (value_fetch_lazy): Use value_contents_for_printing,
	value_bits_valid.  Reinit frame cache for lval_computed.
	* sh64-tdep.c (sh64_do_register): Update.
	* scm-valprint.c (scm_val_print): Add 'val' argument.
	* scm-lang.h (scm_val_print): Update.
	* python/python.h (apply_val_pretty_printer): Update.
	* python/py-prettyprint.c (apply_val_pretty_printer): Add 'val'
	argument.  Call set_value_component_location.
	* printcmd.c (print_scalar_formatted): Update.
	* p-valprint.c (pascal_val_print): Add 'val' argument.
	(pascal_object_print_value_fields): Likewise.
	(pascal_object_print_value): Likewise.
	(pascal_object_print_static_field): Update.
	* p-lang.h (pascal_val_print): Update.
	(pascal_object_print_value_fields): Update.
	* mt-tdep.c (mt_registers_info): Update.
	* mi/mi-main.c (get_register): Update.
	(mi_cmd_data_evaluate_expression): Use common_val_print.
	* m2-valprint.c (m2_print_array_contents): Add 'val' argument.
	(m2_print_unbounded_array): Likewise.
	(m2_val_print): Likewise.
	* m2-lang.h (m2_val_print): Update.
	* language.h (struct language_defn) <la_val_print>: Add 'val'
	argument.
	(LA_VAL_PRINT): Likewise.
	* language.c (unk_lang_val_print): Add 'val' argument.
	* jv-valprint.c (java_print_value_fields): Add 'val' argument.
	(java_val_print): Likewise.
	* jv-lang.h (java_val_print): Add 'val' argument.
	* infcmd.c (default_print_registers_info): Update.
	* f-valprint.c (f77_print_array_1): Add 'val' argument.
	(f77_print_array): Likewise.
	(f_val_print): Likewise.
	* f-lang.h (f_val_print): Add 'val' argument.
	* dwarf2loc.c (read_pieced_value): Use value_bitsize and
	value_bitpos.
	<DWARF_VALUE_OPTIMIZED_OUT>: Don't print warning.  Call
	set_value_optimized_out.
	(write_pieced_value): Use value_bitsize and value_bitpos.
	<default>: Don't exit loop.
	(check_pieced_value_validity): New function.
	(pieced_value_funcs): Reference check_pieced_value_validity,
	check_pieced_value_invalid.
	(copy_pieced_value_closure): Update.
	(check_pieced_value_bits): New function.
	(check_pieced_value_invalid): New function.
	* d-valprint.c (dynamic_array_type): Add 'val' argument.
	(d_val_print): Likewise.
	* d-lang.h (d_val_print): Update.
	* cp-valprint.c (cp_print_value_fields): Add 'val' argument.
	(cp_print_value_fields_rtti): Likewise.
	(cp_print_value): Likewise.
	(cp_print_static_field): Update.
	* c-valprint.c (c_val_print): Add 'val' argument.
	(c_value_print): Update.
	* c-lang.h (c_val_print): Update.
	(cp_print_value_fields): Likewise.
	(cp_print_value_fields_rtti): Likewise.
	* ada-valprint.c (struct ada_val_print_args): Remove.
	(val_print_packed_array_elements): Add 'val' argument.
	(ada_val_print): Likewise.  Rewrite.
	(ada_val_print_stub): Remove.
	(ada_val_print_array): Add 'val' argument.
	(ada_val_print_1): Likewise.
	(print_variant_part): Likewise.
	(ada_value_print): Update.
	(print_record): Add 'val' argument.
	(print_field_values): Likewise.
	* ada-lang.h (ada_val_print): Update.
gdb/testsuite
	PR gdb/9977, PR exp/11636::
	* gdb.dwarf2/pieces.exp (pieces_test_f3): Remove kfail.
	(pieces_test_f6): Update expected output.

1 files changed, 16 insertions, 6 deletions

diff --git a/gdb/p-valprint.c b/gdb/p-valprint.c
index e58f9d2..3d00a69 100644
--- a/gdb/p-valprint.c
+++ b/gdb/p-valprint.c
@@ -54,6 +54,7 @@ int
 pascal_val_print (struct type *type, const gdb_byte *valaddr,
 		  int embedded_offset, CORE_ADDR address,
 		  struct ui_file *stream, int recurse,
+		  const struct value *original_value,
 		  const struct value_print_options *options)
 {
   struct gdbarch *gdbarch = get_type_arch (type);
@@ -125,7 +126,7 @@ pascal_val_print (struct type *type, const gdb_byte *valaddr,
 		  i = 0;
 		}
 	      val_print_array_elements (type, valaddr + embedded_offset, address, stream,
-					recurse, options, i);
+					recurse, original_value, options, i);
 	      fprintf_filtered (stream, "}");
 	    }
 	  break;
@@ -317,7 +318,7 @@ pascal_val_print (struct type *type, const gdb_byte *valaddr,
 	    }
 	  else
 	    pascal_object_print_value_fields (type, valaddr + embedded_offset, address, stream,
-					      recurse, options, NULL, 0);
+					      recurse, original_value, options, NULL, 0);
 	}
       break;
 
@@ -611,6 +612,7 @@ static void pascal_object_print_static_field (struct value *,
 
 static void pascal_object_print_value (struct type *, const gdb_byte *,
 				       CORE_ADDR, struct ui_file *, int,
+				       const struct value *,
 				       const struct value_print_options *,
 				       struct type **);
 
@@ -668,6 +670,7 @@ void
 pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr,
 				  CORE_ADDR address, struct ui_file *stream,
 				  int recurse,
+				  const struct value *val,
 				  const struct value_print_options *options,
 				  struct type **dont_print_vb,
 				  int dont_print_statmem)
@@ -685,7 +688,7 @@ pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr,
      duplicates of virtual baseclasses.  */
   if (n_baseclasses > 0)
     pascal_object_print_value (type, valaddr, address, stream,
-			       recurse + 1, options, dont_print_vb);
+			       recurse + 1, val, options, dont_print_vb);
 
   if (!len && n_baseclasses == 1)
     fprintf_filtered (stream, "<No data fields>");
@@ -774,6 +777,11 @@ pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr,
 		{
 		  fputs_filtered ("<optimized out or zero length>", stream);
 		}
+	      else if (!value_bits_valid (val, TYPE_FIELD_BITPOS (type, i),
+					  TYPE_FIELD_BITSIZE (type, i)))
+		{
+		  fputs_filtered (_("<value optimized out>"), stream);
+		}
 	      else
 		{
 		  struct value_print_options opts = *options;
@@ -818,7 +826,7 @@ pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr,
 		  val_print (TYPE_FIELD_TYPE (type, i),
 			     valaddr, TYPE_FIELD_BITPOS (type, i) / 8,
 			     address + TYPE_FIELD_BITPOS (type, i) / 8,
-			     stream, recurse + 1, &opts,
+			     stream, recurse + 1, val, &opts,
 			     current_language);
 		}
 	    }
@@ -849,6 +857,7 @@ static void
 pascal_object_print_value (struct type *type, const gdb_byte *valaddr,
 			   CORE_ADDR address, struct ui_file *stream,
 			   int recurse,
+			   const struct value *val,
 			   const struct value_print_options *options,
 			   struct type **dont_print_vb)
 {
@@ -923,7 +932,7 @@ pascal_object_print_value (struct type *type, const gdb_byte *valaddr,
 	fprintf_filtered (stream, "<invalid address>");
       else
 	pascal_object_print_value_fields (baseclass, base_valaddr, address + boffset,
-					  stream, recurse, options,
+					  stream, recurse, val, options,
 		     (struct type **) obstack_base (&dont_print_vb_obstack),
 					  0);
       fputs_filtered (", ", stream);
@@ -987,7 +996,8 @@ pascal_object_print_static_field (struct value *val,
 
       CHECK_TYPEDEF (type);
       pascal_object_print_value_fields (type, value_contents (val), addr,
-					stream, recurse, options, NULL, 1);
+					stream, recurse, NULL, options,
+					NULL, 1);
       return;
     }