[thirdparty/binutils-gdb.git] / gdb / jv-valprint.c

/* Support for printing Java values for GDB, the GNU debugger.
   Copyright 1997, 1998, 1999, 2000 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include "defs.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcore.h"
#include "expression.h"
#include "value.h"
#include "demangle.h"
#include "valprint.h"
#include "language.h"
#include "jv-lang.h"
#include "c-lang.h"
#include "annotate.h"

/* Local functions */

static void java_print_value_fields (struct type * type, char *valaddr,
				     CORE_ADDR address,
				     struct ui_file *stream, int format,
				     int recurse,
				     enum val_prettyprint pretty);


int
java_value_print (value_ptr val, struct ui_file *stream, int format,
		  enum val_prettyprint pretty)
{
  struct type *type;
  CORE_ADDR address;
  int i;
  char *name;

  type = VALUE_TYPE (val);
  address = VALUE_ADDRESS (val) + VALUE_OFFSET (val);

  if (is_object_type (type))
    {
      CORE_ADDR obj_addr;

      /* Get the run-time type, and cast the object into that */

      obj_addr = unpack_pointer (type, VALUE_CONTENTS (val));

      if (obj_addr != 0)
	{
	  type = type_from_class (java_class_from_object (val));
	  type = lookup_pointer_type (type);

	  val = value_at (type, address, NULL);
	}
    }

  if (TYPE_CODE (type) == TYPE_CODE_PTR && !value_logical_not (val))
    type_print (TYPE_TARGET_TYPE (type), "", stream, -1);

  name = TYPE_TAG_NAME (type);
  if (TYPE_CODE (type) == TYPE_CODE_STRUCT && name != NULL
      && (i = strlen (name), name[i - 1] == ']'))
    {
      char buf4[4];
      long length;
      unsigned int things_printed = 0;
      int reps;
      struct type *el_type = java_primitive_type_from_name (name, i - 2);

      i = 0;
      read_memory (address + JAVA_OBJECT_SIZE, buf4, 4);

      length = (long) extract_signed_integer (buf4, 4);
      fprintf_filtered (stream, "{length: %ld", length);

      if (el_type == NULL)
	{
	  CORE_ADDR element, next_element;

	  address += JAVA_OBJECT_SIZE + 4;	/* Skip object header and length. */

	  while (i < length && things_printed < print_max)
	    {
	      char *buf;

	      buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT);
	      fputs_filtered (", ", stream);
	      wrap_here (n_spaces (2));

	      if (i > 0)
		element = next_element;
	      else
		{
		  read_memory (address, buf, sizeof (buf));
		  address += TARGET_PTR_BIT / HOST_CHAR_BIT;
		  element = extract_address (buf, sizeof (buf));
		}

	      for (reps = 1; i + reps < length; reps++)
		{
		  read_memory (address, buf, sizeof (buf));
		  address += TARGET_PTR_BIT / HOST_CHAR_BIT;
		  next_element = extract_address (buf, sizeof (buf));
		  if (next_element != element)
		    break;
		}

	      if (reps == 1)
		fprintf_filtered (stream, "%d: ", i);
	      else
		fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);

	      if (element == 0)
		fprintf_filtered (stream, "null");
	      else
		fprintf_filtered (stream, "@%s", paddr_nz (element));

	      things_printed++;
	      i += reps;
	    }
	}
      else
	{
	  value_ptr v = allocate_value (el_type);
	  value_ptr next_v = allocate_value (el_type);

	  VALUE_ADDRESS (v) = address + JAVA_OBJECT_SIZE + 4;
	  VALUE_ADDRESS (next_v) = VALUE_ADDRESS (v);

	  while (i < length && things_printed < print_max)
	    {
	      fputs_filtered (", ", stream);
	      wrap_here (n_spaces (2));

	      if (i > 0)
		{
		  value_ptr tmp;

		  tmp = next_v;
		  next_v = v;
		  v = tmp;
		}
	      else
		{
		  VALUE_LAZY (v) = 1;
		  VALUE_OFFSET (v) = 0;
		}

	      VALUE_OFFSET (next_v) = VALUE_OFFSET (v);

	      for (reps = 1; i + reps < length; reps++)
		{
		  VALUE_LAZY (next_v) = 1;
		  VALUE_OFFSET (next_v) += TYPE_LENGTH (el_type);
		  if (memcmp (VALUE_CONTENTS (v), VALUE_CONTENTS (next_v),
			      TYPE_LENGTH (el_type)) != 0)
		    break;
		}

	      if (reps == 1)
		fprintf_filtered (stream, "%d: ", i);
	      else
		fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);

	      val_print (VALUE_TYPE (v), VALUE_CONTENTS (v), 0, 0,
			 stream, format, 2, 1, pretty);

	      things_printed++;
	      i += reps;
	    }
	}

      if (i < length)
	fprintf_filtered (stream, "...");

      fprintf_filtered (stream, "}");

      return 0;
    }

  /* If it's type String, print it */

  if (TYPE_CODE (type) == TYPE_CODE_PTR
      && TYPE_TARGET_TYPE (type)
      && TYPE_NAME (TYPE_TARGET_TYPE (type))
      && strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "java.lang.String") == 0
      && (format == 0 || format == 's')
      && address != 0
      && value_as_pointer (val) != 0)
    {
      value_ptr data_val;
      CORE_ADDR data;
      value_ptr boffset_val;
      unsigned long boffset;
      value_ptr count_val;
      unsigned long count;
      value_ptr mark;

      mark = value_mark ();	/* Remember start of new values */

      data_val = value_struct_elt (&val, NULL, "data", NULL, NULL);
      data = value_as_pointer (data_val);

      boffset_val = value_struct_elt (&val, NULL, "boffset", NULL, NULL);
      boffset = value_as_pointer (boffset_val);

      count_val = value_struct_elt (&val, NULL, "count", NULL, NULL);
      count = value_as_pointer (count_val);

      value_free_to_mark (mark);	/* Release unnecessary values */

      val_print_string (data + boffset, count, 2, stream);

      return 0;
    }

  return (val_print (type, VALUE_CONTENTS (val), 0, address,
		     stream, format, 1, 0, pretty));
}

/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the
   same meanings as in cp_print_value and c_val_print.

   DONT_PRINT is an array of baseclass types that we
   should not print, or zero if called from top level.  */

static void
java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address,
			 struct ui_file *stream, int format, int recurse,
			 enum val_prettyprint pretty)
{
  int i, len, n_baseclasses;

  CHECK_TYPEDEF (type);

  fprintf_filtered (stream, "{");
  len = TYPE_NFIELDS (type);
  n_baseclasses = TYPE_N_BASECLASSES (type);

  if (n_baseclasses > 0)
    {
      int i, n_baseclasses = TYPE_N_BASECLASSES (type);

      for (i = 0; i < n_baseclasses; i++)
	{
	  int boffset;
	  struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
	  char *basename = TYPE_NAME (baseclass);
	  char *base_valaddr;

	  if (BASETYPE_VIA_VIRTUAL (type, i))
	    continue;

	  if (basename != NULL && strcmp (basename, "java.lang.Object") == 0)
	    continue;

	  boffset = 0;

	  if (pretty)
	    {
	      fprintf_filtered (stream, "\n");
	      print_spaces_filtered (2 * (recurse + 1), stream);
	    }
	  fputs_filtered ("<", stream);
	  /* Not sure what the best notation is in the case where there is no
	     baseclass name.  */
	  fputs_filtered (basename ? basename : "", stream);
	  fputs_filtered ("> = ", stream);

	  base_valaddr = valaddr;

	  java_print_value_fields (baseclass, base_valaddr, address + boffset,
				   stream, format, recurse + 1, pretty);
	  fputs_filtered (", ", stream);

	flush_it:
	  ;
	}

    }

  if (!len && n_baseclasses == 1)
    fprintf_filtered (stream, "<No data fields>");
  else
    {
      extern int inspect_it;
      int fields_seen = 0;

      for (i = n_baseclasses; i < len; i++)
	{
	  /* If requested, skip printing of static fields.  */
	  if (TYPE_FIELD_STATIC (type, i))
	    {
	      char *name = TYPE_FIELD_NAME (type, i);
	      if (!static_field_print)
		continue;
	      if (name != NULL && strcmp (name, "class") == 0)
		continue;
	    }
	  if (fields_seen)
	    fprintf_filtered (stream, ", ");
	  else if (n_baseclasses > 0)
	    {
	      if (pretty)
		{
		  fprintf_filtered (stream, "\n");
		  print_spaces_filtered (2 + 2 * recurse, stream);
		  fputs_filtered ("members of ", stream);
		  fputs_filtered (type_name_no_tag (type), stream);
		  fputs_filtered (": ", stream);
		}
	    }
	  fields_seen = 1;

	  if (pretty)
	    {
	      fprintf_filtered (stream, "\n");
	      print_spaces_filtered (2 + 2 * recurse, stream);
	    }
	  else
	    {
	      wrap_here (n_spaces (2 + 2 * recurse));
	    }
	  if (inspect_it)
	    {
	      if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
		fputs_filtered ("\"( ptr \"", stream);
	      else
		fputs_filtered ("\"( nodef \"", stream);
	      if (TYPE_FIELD_STATIC (type, i))
		fputs_filtered ("static ", stream);
	      fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
				       language_cplus,
				       DMGL_PARAMS | DMGL_ANSI);
	      fputs_filtered ("\" \"", stream);
	      fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
				       language_cplus,
				       DMGL_PARAMS | DMGL_ANSI);
	      fputs_filtered ("\") \"", stream);
	    }
	  else
	    {
	      annotate_field_begin (TYPE_FIELD_TYPE (type, i));

	      if (TYPE_FIELD_STATIC (type, i))
		fputs_filtered ("static ", stream);
	      fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
				       language_cplus,
				       DMGL_PARAMS | DMGL_ANSI);
	      annotate_field_name_end ();
	      fputs_filtered (": ", stream);
	      annotate_field_value ();
	    }

	  if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
	    {
	      value_ptr v;

	      /* Bitfields require special handling, especially due to byte
	         order problems.  */
	      if (TYPE_FIELD_IGNORE (type, i))
		{
		  fputs_filtered ("<optimized out or zero length>", stream);
		}
	      else
		{
		  v = value_from_longest (TYPE_FIELD_TYPE (type, i),
				   unpack_field_as_long (type, valaddr, i));

		  val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0,
			     0, stream, format, 0, recurse + 1, pretty);
		}
	    }
	  else
	    {
	      if (TYPE_FIELD_IGNORE (type, i))
		{
		  fputs_filtered ("<optimized out or zero length>", stream);
		}
	      else if (TYPE_FIELD_STATIC (type, i))
		{
		  value_ptr v = value_static_field (type, i);
		  if (v == NULL)
		    fputs_filtered ("<optimized out>", stream);
		  else
		    {
		      struct type *t = check_typedef (VALUE_TYPE (v));
		      if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
			v = value_addr (v);
		      val_print (VALUE_TYPE (v),
				 VALUE_CONTENTS (v), 0, VALUE_ADDRESS (v),
				 stream, format, 0, recurse + 1, pretty);
		    }
		}
	      else if (TYPE_FIELD_TYPE (type, i) == NULL)
		fputs_filtered ("<unknown type>", stream);
	      else
		{
		  val_print (TYPE_FIELD_TYPE (type, i),
			     valaddr + TYPE_FIELD_BITPOS (type, i) / 8, 0,
			     address + TYPE_FIELD_BITPOS (type, i) / 8,
			     stream, format, 0, recurse + 1, pretty);
		}
	    }
	  annotate_field_end ();
	}

      if (pretty)
	{
	  fprintf_filtered (stream, "\n");
	  print_spaces_filtered (2 * recurse, stream);
	}
    }
  fprintf_filtered (stream, "}");
}

/* Print data of type TYPE located at VALADDR (within GDB), which came from
   the inferior at address ADDRESS, onto stdio stream STREAM according to
   FORMAT (a letter or 0 for natural format).  The data at VALADDR is in
   target byte order.

   If the data are a string pointer, returns the number of string characters
   printed.

   If DEREF_REF is nonzero, then dereference references, otherwise just print
   them like pointers.

   The PRETTY parameter controls prettyprinting.  */

int
java_val_print (struct type *type, char *valaddr, int embedded_offset,
		CORE_ADDR address, struct ui_file *stream, int format,
		int deref_ref, int recurse, enum val_prettyprint pretty)
{
  register unsigned int i = 0;	/* Number of characters printed */
  struct type *target_type;
  CORE_ADDR addr;

  CHECK_TYPEDEF (type);
  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_PTR:
      if (format && format != 's')
	{
	  print_scalar_formatted (valaddr, type, format, 0, stream);
	  break;
	}
#if 0
      if (vtblprint && cp_is_vtbl_ptr_type (type))
	{
	  /* Print the unmangled name if desired.  */
	  /* Print vtable entry - we only get here if we ARE using
	     -fvtable_thunks.  (Otherwise, look under TYPE_CODE_STRUCT.) */
	  print_address_demangle (extract_address (valaddr, TYPE_LENGTH (type)),
				  stream, demangle);
	  break;
	}
#endif
      addr = unpack_pointer (type, valaddr);
      if (addr == 0)
	{
	  fputs_filtered ("null", stream);
	  return i;
	}
      target_type = check_typedef (TYPE_TARGET_TYPE (type));

      if (TYPE_CODE (target_type) == TYPE_CODE_FUNC)
	{
	  /* Try to print what function it points to.  */
	  print_address_demangle (addr, stream, demangle);
	  /* Return value is irrelevant except for string pointers.  */
	  return (0);
	}

      if (addressprint && format != 's')
	{
	  fputs_filtered ("@", stream);
	  print_longest (stream, 'x', 0, (ULONGEST) addr);
	}

      return i;

    case TYPE_CODE_CHAR:
      format = format ? format : output_format;
      if (format)
	print_scalar_formatted (valaddr, type, format, 0, stream);
      else
	LA_PRINT_CHAR ((int) unpack_long (type, valaddr), stream);
      break;

    case TYPE_CODE_INT:
      /* Can't just call c_val_print because that print bytes as C chars. */
      format = format ? format : output_format;
      if (format)
	print_scalar_formatted (valaddr, type, format, 0, stream);
      else
	val_print_type_code_int (type, valaddr, stream);
      break;

    case TYPE_CODE_STRUCT:
      java_print_value_fields (type, valaddr, address, stream, format,
			       recurse, pretty);
      break;

    default:
      return c_val_print (type, valaddr, embedded_offset, address, stream,
			  format, deref_ref, recurse, pretty);
    }

  return 0;
}
Commit	Line	Data
c906108c	1	/* Support for printing Java values for GDB, the GNU debugger.
b6ba6518	2	Copyright 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
c906108c	3
c5aa993b	4	This file is part of GDB.
c906108c	5
c5aa993b JM	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
c906108c	10
c5aa993b JM	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
c906108c	15
c5aa993b JM	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 59 Temple Place - Suite 330,
	19	Boston, MA 02111-1307, USA. */
c906108c SS	20
	21	#include "defs.h"
	22	#include "symtab.h"
	23	#include "gdbtypes.h"
7a292a7a	24	#include "gdbcore.h"
c906108c SS	25	#include "expression.h"
	26	#include "value.h"
	27	#include "demangle.h"
	28	#include "valprint.h"
	29	#include "language.h"
	30	#include "jv-lang.h"
	31	#include "c-lang.h"
7a292a7a	32	#include "annotate.h"
c906108c	33
392a587b JM	34	/* Local functions */
392a587b JM	35
d9fcf2fb JM	36	static void java_print_value_fields (struct type * type, char *valaddr,
	37	CORE_ADDR address,
	38	struct ui_file *stream, int format,
	39	int recurse,
	40	enum val_prettyprint pretty);
392a587b JM	41
392a587b JM	42
c906108c	43	int
fba45db2 KB	44	java_value_print (value_ptr val, struct ui_file *stream, int format,
fba45db2 KB	45	enum val_prettyprint pretty)
c906108c SS	46	{
	47	struct type *type;
	48	CORE_ADDR address;
	49	int i;
	50	char *name;
	51
	52	type = VALUE_TYPE (val);
	53	address = VALUE_ADDRESS (val) + VALUE_OFFSET (val);
	54
	55	if (is_object_type (type))
	56	{
	57	CORE_ADDR obj_addr;
	58
	59	/* Get the run-time type, and cast the object into that */
	60
	61	obj_addr = unpack_pointer (type, VALUE_CONTENTS (val));
	62
	63	if (obj_addr != 0)
	64	{
	65	type = type_from_class (java_class_from_object (val));
	66	type = lookup_pointer_type (type);
	67
	68	val = value_at (type, address, NULL);
	69	}
	70	}
	71
c5aa993b	72	if (TYPE_CODE (type) == TYPE_CODE_PTR && !value_logical_not (val))
c906108c SS	73	type_print (TYPE_TARGET_TYPE (type), "", stream, -1);
	74
	75	name = TYPE_TAG_NAME (type);
	76	if (TYPE_CODE (type) == TYPE_CODE_STRUCT && name != NULL
c5aa993b	77	&& (i = strlen (name), name[i - 1] == ']'))
c906108c SS	78	{
	79	char buf4[4];
	80	long length;
	81	unsigned int things_printed = 0;
c5aa993b	82	int reps;
c906108c SS	83	struct type *el_type = java_primitive_type_from_name (name, i - 2);
	84
	85	i = 0;
	86	read_memory (address + JAVA_OBJECT_SIZE, buf4, 4);
	87
	88	length = (long) extract_signed_integer (buf4, 4);
	89	fprintf_filtered (stream, "{length: %ld", length);
	90
	91	if (el_type == NULL)
	92	{
	93	CORE_ADDR element, next_element;
	94
c5aa993b	95	address += JAVA_OBJECT_SIZE + 4; /* Skip object header and length. */
c906108c SS	96
	97	while (i < length && things_printed < print_max)
	98	{
35fc8285	99	char *buf;
c906108c	100
35fc8285	101	buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT);
c906108c SS	102	fputs_filtered (", ", stream);
	103	wrap_here (n_spaces (2));
	104
	105	if (i > 0)
	106	element = next_element;
	107	else
	108	{
c5aa993b	109	read_memory (address, buf, sizeof (buf));
c906108c	110	address += TARGET_PTR_BIT / HOST_CHAR_BIT;
c5aa993b	111	element = extract_address (buf, sizeof (buf));
c906108c SS	112	}
c906108c SS	113
c5aa993b	114	for (reps = 1; i + reps < length; reps++)
c906108c	115	{
c5aa993b	116	read_memory (address, buf, sizeof (buf));
c906108c	117	address += TARGET_PTR_BIT / HOST_CHAR_BIT;
c5aa993b	118	next_element = extract_address (buf, sizeof (buf));
c906108c SS	119	if (next_element != element)
	120	break;
	121	}
	122
	123	if (reps == 1)
	124	fprintf_filtered (stream, "%d: ", i);
	125	else
	126	fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);
	127
	128	if (element == 0)
	129	fprintf_filtered (stream, "null");
	130	else
d4f3574e	131	fprintf_filtered (stream, "@%s", paddr_nz (element));
c906108c SS	132
	133	things_printed++;
	134	i += reps;
	135	}
	136	}
	137	else
	138	{
	139	value_ptr v = allocate_value (el_type);
	140	value_ptr next_v = allocate_value (el_type);
	141
	142	VALUE_ADDRESS (v) = address + JAVA_OBJECT_SIZE + 4;
	143	VALUE_ADDRESS (next_v) = VALUE_ADDRESS (v);
	144
	145	while (i < length && things_printed < print_max)
	146	{
	147	fputs_filtered (", ", stream);
	148	wrap_here (n_spaces (2));
	149
	150	if (i > 0)
	151	{
	152	value_ptr tmp;
	153
	154	tmp = next_v;
	155	next_v = v;
	156	v = tmp;
	157	}
	158	else
	159	{
	160	VALUE_LAZY (v) = 1;
	161	VALUE_OFFSET (v) = 0;
	162	}
	163
	164	VALUE_OFFSET (next_v) = VALUE_OFFSET (v);
	165
c5aa993b	166	for (reps = 1; i + reps < length; reps++)
c906108c SS	167	{
	168	VALUE_LAZY (next_v) = 1;
	169	VALUE_OFFSET (next_v) += TYPE_LENGTH (el_type);
	170	if (memcmp (VALUE_CONTENTS (v), VALUE_CONTENTS (next_v),
	171	TYPE_LENGTH (el_type)) != 0)
	172	break;
	173	}
	174
	175	if (reps == 1)
	176	fprintf_filtered (stream, "%d: ", i);
	177	else
	178	fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);
	179
	180	val_print (VALUE_TYPE (v), VALUE_CONTENTS (v), 0, 0,
	181	stream, format, 2, 1, pretty);
	182
	183	things_printed++;
	184	i += reps;
	185	}
	186	}
	187
	188	if (i < length)
	189	fprintf_filtered (stream, "...");
	190
	191	fprintf_filtered (stream, "}");
	192
	193	return 0;
	194	}
	195
	196	/* If it's type String, print it */
	197
	198	if (TYPE_CODE (type) == TYPE_CODE_PTR
	199	&& TYPE_TARGET_TYPE (type)
	200	&& TYPE_NAME (TYPE_TARGET_TYPE (type))
8dccf761	201	&& strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "java.lang.String") == 0
c906108c	202	&& (format == 0 \|\| format == 's')
8dccf761 TT	203	&& address != 0
8dccf761 TT	204	&& value_as_pointer (val) != 0)
c906108c SS	205	{
	206	value_ptr data_val;
	207	CORE_ADDR data;
	208	value_ptr boffset_val;
	209	unsigned long boffset;
	210	value_ptr count_val;
	211	unsigned long count;
	212	value_ptr mark;
	213
	214	mark = value_mark (); /* Remember start of new values */
	215
	216	data_val = value_struct_elt (&val, NULL, "data", NULL, NULL);
	217	data = value_as_pointer (data_val);
	218
	219	boffset_val = value_struct_elt (&val, NULL, "boffset", NULL, NULL);
	220	boffset = value_as_pointer (boffset_val);
	221
	222	count_val = value_struct_elt (&val, NULL, "count", NULL, NULL);
	223	count = value_as_pointer (count_val);
	224
c5aa993b	225	value_free_to_mark (mark); /* Release unnecessary values */
c906108c SS	226
	227	val_print_string (data + boffset, count, 2, stream);
	228
	229	return 0;
	230	}
	231
	232	return (val_print (type, VALUE_CONTENTS (val), 0, address,
	233	stream, format, 1, 0, pretty));
	234	}
	235
	236	/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the
	237	same meanings as in cp_print_value and c_val_print.
	238
	239	DONT_PRINT is an array of baseclass types that we
	240	should not print, or zero if called from top level. */
	241
392a587b	242	static void
fba45db2 KB	243	java_print_value_fields (struct type type, char valaddr, CORE_ADDR address,
	244	struct ui_file *stream, int format, int recurse,
	245	enum val_prettyprint pretty)
c906108c SS	246	{
	247	int i, len, n_baseclasses;
	248
	249	CHECK_TYPEDEF (type);
	250
	251	fprintf_filtered (stream, "{");
	252	len = TYPE_NFIELDS (type);
	253	n_baseclasses = TYPE_N_BASECLASSES (type);
	254
	255	if (n_baseclasses > 0)
	256	{
	257	int i, n_baseclasses = TYPE_N_BASECLASSES (type);
	258
	259	for (i = 0; i < n_baseclasses; i++)
	260	{
	261	int boffset;
	262	struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
	263	char *basename = TYPE_NAME (baseclass);
	264	char *base_valaddr;
c5aa993b	265
c906108c SS	266	if (BASETYPE_VIA_VIRTUAL (type, i))
	267	continue;
	268
	269	if (basename != NULL && strcmp (basename, "java.lang.Object") == 0)
	270	continue;
	271
	272	boffset = 0;
	273
	274	if (pretty)
	275	{
	276	fprintf_filtered (stream, "\n");
c5aa993b	277	print_spaces_filtered (2 * (recurse + 1), stream);
c906108c SS	278	}
	279	fputs_filtered ("<", stream);
	280	/* Not sure what the best notation is in the case where there is no
	281	baseclass name. */
	282	fputs_filtered (basename ? basename : "", stream);
	283	fputs_filtered ("> = ", stream);
	284
	285	base_valaddr = valaddr;
	286
	287	java_print_value_fields (baseclass, base_valaddr, address + boffset,
c5aa993b	288	stream, format, recurse + 1, pretty);
c906108c	289	fputs_filtered (", ", stream);
c5aa993b	290
c906108c SS	291	flush_it:
	292	;
	293	}
	294
	295	}
	296
	297	if (!len && n_baseclasses == 1)
	298	fprintf_filtered (stream, "<No data fields>");
	299	else
	300	{
	301	extern int inspect_it;
	302	int fields_seen = 0;
	303
	304	for (i = n_baseclasses; i < len; i++)
	305	{
	306	/* If requested, skip printing of static fields. */
	307	if (TYPE_FIELD_STATIC (type, i))
	308	{
	309	char *name = TYPE_FIELD_NAME (type, i);
	310	if (!static_field_print)
	311	continue;
	312	if (name != NULL && strcmp (name, "class") == 0)
	313	continue;
	314	}
	315	if (fields_seen)
	316	fprintf_filtered (stream, ", ");
	317	else if (n_baseclasses > 0)
	318	{
	319	if (pretty)
	320	{
	321	fprintf_filtered (stream, "\n");
	322	print_spaces_filtered (2 + 2 * recurse, stream);
	323	fputs_filtered ("members of ", stream);
	324	fputs_filtered (type_name_no_tag (type), stream);
	325	fputs_filtered (": ", stream);
	326	}
	327	}
	328	fields_seen = 1;
	329
	330	if (pretty)
	331	{
	332	fprintf_filtered (stream, "\n");
	333	print_spaces_filtered (2 + 2 * recurse, stream);
	334	}
c5aa993b	335	else
c906108c SS	336	{
	337	wrap_here (n_spaces (2 + 2 * recurse));
	338	}
	339	if (inspect_it)
	340	{
	341	if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
	342	fputs_filtered ("\"( ptr \"", stream);
	343	else
	344	fputs_filtered ("\"( nodef \"", stream);
	345	if (TYPE_FIELD_STATIC (type, i))
	346	fputs_filtered ("static ", stream);
	347	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	348	language_cplus,
	349	DMGL_PARAMS \| DMGL_ANSI);
	350	fputs_filtered ("\" \"", stream);
	351	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	352	language_cplus,
	353	DMGL_PARAMS \| DMGL_ANSI);
	354	fputs_filtered ("\") \"", stream);
	355	}
	356	else
	357	{
	358	annotate_field_begin (TYPE_FIELD_TYPE (type, i));
	359
	360	if (TYPE_FIELD_STATIC (type, i))
	361	fputs_filtered ("static ", stream);
	362	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	363	language_cplus,
	364	DMGL_PARAMS \| DMGL_ANSI);
	365	annotate_field_name_end ();
	366	fputs_filtered (": ", stream);
	367	annotate_field_value ();
	368	}
	369
	370	if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
	371	{
	372	value_ptr v;
	373
	374	/* Bitfields require special handling, especially due to byte
c5aa993b	375	order problems. */
c906108c SS	376	if (TYPE_FIELD_IGNORE (type, i))
c906108c SS	377	{
c5aa993b	378	fputs_filtered ("<optimized out or zero length>", stream);
c906108c SS	379	}
	380	else
	381	{
c5aa993b	382	v = value_from_longest (TYPE_FIELD_TYPE (type, i),
c906108c SS	383	unpack_field_as_long (type, valaddr, i));
c906108c SS	384
c5aa993b JM	385	val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0,
c5aa993b JM	386	0, stream, format, 0, recurse + 1, pretty);
c906108c SS	387	}
	388	}
	389	else
	390	{
	391	if (TYPE_FIELD_IGNORE (type, i))
	392	{
c5aa993b	393	fputs_filtered ("<optimized out or zero length>", stream);
c906108c SS	394	}
	395	else if (TYPE_FIELD_STATIC (type, i))
	396	{
	397	value_ptr v = value_static_field (type, i);
	398	if (v == NULL)
	399	fputs_filtered ("<optimized out>", stream);
	400	else
	401	{
	402	struct type *t = check_typedef (VALUE_TYPE (v));
	403	if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
	404	v = value_addr (v);
	405	val_print (VALUE_TYPE (v),
	406	VALUE_CONTENTS (v), 0, VALUE_ADDRESS (v),
c5aa993b	407	stream, format, 0, recurse + 1, pretty);
c906108c SS	408	}
c906108c SS	409	}
7a292a7a SS	410	else if (TYPE_FIELD_TYPE (type, i) == NULL)
7a292a7a SS	411	fputs_filtered ("<unknown type>", stream);
c906108c SS	412	else
c906108c SS	413	{
c5aa993b JM	414	val_print (TYPE_FIELD_TYPE (type, i),
	415	valaddr + TYPE_FIELD_BITPOS (type, i) / 8, 0,
	416	address + TYPE_FIELD_BITPOS (type, i) / 8,
	417	stream, format, 0, recurse + 1, pretty);
c906108c SS	418	}
	419	}
	420	annotate_field_end ();
	421	}
	422
	423	if (pretty)
	424	{
	425	fprintf_filtered (stream, "\n");
	426	print_spaces_filtered (2 * recurse, stream);
	427	}
	428	}
	429	fprintf_filtered (stream, "}");
	430	}
	431
	432	/* Print data of type TYPE located at VALADDR (within GDB), which came from
	433	the inferior at address ADDRESS, onto stdio stream STREAM according to
	434	FORMAT (a letter or 0 for natural format). The data at VALADDR is in
	435	target byte order.
	436
	437	If the data are a string pointer, returns the number of string characters
	438	printed.
	439
	440	If DEREF_REF is nonzero, then dereference references, otherwise just print
	441	them like pointers.
	442
	443	The PRETTY parameter controls prettyprinting. */
	444
	445	int
fba45db2 KB	446	java_val_print (struct type type, char valaddr, int embedded_offset,
	447	CORE_ADDR address, struct ui_file *stream, int format,
	448	int deref_ref, int recurse, enum val_prettyprint pretty)
c906108c	449	{
c5aa993b	450	register unsigned int i = 0; /* Number of characters printed */
c906108c SS	451	struct type *target_type;
	452	CORE_ADDR addr;
	453
	454	CHECK_TYPEDEF (type);
	455	switch (TYPE_CODE (type))
	456	{
	457	case TYPE_CODE_PTR:
	458	if (format && format != 's')
	459	{
	460	print_scalar_formatted (valaddr, type, format, 0, stream);
	461	break;
	462	}
	463	#if 0
c5aa993b	464	if (vtblprint && cp_is_vtbl_ptr_type (type))
c906108c	465	{
c5aa993b	466	/* Print the unmangled name if desired. */
c906108c SS	467	/* Print vtable entry - we only get here if we ARE using
c906108c SS	468	-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
c5aa993b JM	469	print_address_demangle (extract_address (valaddr, TYPE_LENGTH (type)),
c5aa993b JM	470	stream, demangle);
c906108c SS	471	break;
	472	}
	473	#endif
	474	addr = unpack_pointer (type, valaddr);
	475	if (addr == 0)
	476	{
	477	fputs_filtered ("null", stream);
	478	return i;
	479	}
	480	target_type = check_typedef (TYPE_TARGET_TYPE (type));
	481
	482	if (TYPE_CODE (target_type) == TYPE_CODE_FUNC)
	483	{
	484	/* Try to print what function it points to. */
	485	print_address_demangle (addr, stream, demangle);
	486	/* Return value is irrelevant except for string pointers. */
	487	return (0);
	488	}
	489
	490	if (addressprint && format != 's')
	491	{
	492	fputs_filtered ("@", stream);
	493	print_longest (stream, 'x', 0, (ULONGEST) addr);
	494	}
	495
	496	return i;
	497
	498	case TYPE_CODE_CHAR:
	499	format = format ? format : output_format;
	500	if (format)
	501	print_scalar_formatted (valaddr, type, format, 0, stream);
	502	else
	503	LA_PRINT_CHAR ((int) unpack_long (type, valaddr), stream);
	504	break;
	505
	506	case TYPE_CODE_INT:
	507	/* Can't just call c_val_print because that print bytes as C chars. */
	508	format = format ? format : output_format;
	509	if (format)
	510	print_scalar_formatted (valaddr, type, format, 0, stream);
	511	else
	512	val_print_type_code_int (type, valaddr, stream);
	513	break;
	514
	515	case TYPE_CODE_STRUCT:
	516	java_print_value_fields (type, valaddr, address, stream, format,
	517	recurse, pretty);
	518	break;
	519
	520	default:
	521	return c_val_print (type, valaddr, embedded_offset, address, stream,
	522	format, deref_ref, recurse, pretty);
	523	}
	524
	525	return 0;
	526	}