[deliverable/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"
#include "gdb_string.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 (struct value *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;
	  CORE_ADDR next_element = -1; /* dummy initial value */

	  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;
		  /* FIXME: cagney/2003-05-24: Bogus or what.  It
                     pulls a host sized pointer out of the target and
                     then extracts that as an address (while assuming
                     that the address is unsigned)!  */
		  element = extract_unsigned_integer (buf, sizeof (buf));
		}

	      for (reps = 1; i + reps < length; reps++)
		{
		  read_memory (address, buf, sizeof (buf));
		  address += TARGET_PTR_BIT / HOST_CHAR_BIT;
		  /* FIXME: cagney/2003-05-24: Bogus or what.  It
                     pulls a host sized pointer out of the target and
                     then extracts that as an address (while assuming
                     that the address is unsigned)!  */
		  next_element = extract_unsigned_integer (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
	{
	  struct value *v = allocate_value (el_type);
	  struct value *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)
		{
		  struct value *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_TAG_NAME (TYPE_TARGET_TYPE (type))
      && strcmp (TYPE_TAG_NAME (TYPE_TARGET_TYPE (type)),
		 "java.lang.String") == 0
      && (format == 0 || format == 's')
      && address != 0
      && value_as_address (val) != 0)
    {
      struct value *data_val;
      CORE_ADDR data;
      struct value *boffset_val;
      unsigned long boffset;
      struct value *count_val;
      unsigned long count;
      struct value *mark;

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

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

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

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

    }

  if (!len && n_baseclasses == 1)
    fprintf_filtered (stream, "<No data fields>");
  else
    {
      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))
	    {
	      struct value *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))
		{
		  struct value *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)
{
  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.) */
	  /* Extract an address, assume that it is unsigned.  */
	  print_address_demangle (extract_unsigned_integer (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:
    case TYPE_CODE_INT:
      /* Can't just call c_val_print because that prints bytes as C
	 chars.  */
      format = format ? format : output_format;
      if (format)
	print_scalar_formatted (valaddr, type, format, 0, stream);
      else if (TYPE_CODE (type) == TYPE_CODE_CHAR
	       || (TYPE_CODE (type) == TYPE_CODE_INT
		   && TYPE_LENGTH (type) == 2
		   && strcmp (TYPE_NAME (type), "char") == 0))
	LA_PRINT_CHAR ((int) unpack_long (type, valaddr), 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"
309367d4	33	#include "gdb_string.h"
c906108c	34
392a587b JM	35	/* Local functions */
392a587b JM	36
d9fcf2fb JM	37	static void java_print_value_fields (struct type * type, char *valaddr,
	38	CORE_ADDR address,
	39	struct ui_file *stream, int format,
	40	int recurse,
	41	enum val_prettyprint pretty);
392a587b JM	42
392a587b JM	43
c906108c	44	int
75c9979e	45	java_value_print (struct value val, struct ui_file stream, int format,
fba45db2	46	enum val_prettyprint pretty)
c906108c SS	47	{
	48	struct type *type;
	49	CORE_ADDR address;
	50	int i;
	51	char *name;
	52
	53	type = VALUE_TYPE (val);
	54	address = VALUE_ADDRESS (val) + VALUE_OFFSET (val);
	55
	56	if (is_object_type (type))
	57	{
	58	CORE_ADDR obj_addr;
	59
	60	/* Get the run-time type, and cast the object into that */
	61
	62	obj_addr = unpack_pointer (type, VALUE_CONTENTS (val));
	63
	64	if (obj_addr != 0)
	65	{
	66	type = type_from_class (java_class_from_object (val));
	67	type = lookup_pointer_type (type);
	68
	69	val = value_at (type, address, NULL);
	70	}
	71	}
	72
c5aa993b	73	if (TYPE_CODE (type) == TYPE_CODE_PTR && !value_logical_not (val))
c906108c SS	74	type_print (TYPE_TARGET_TYPE (type), "", stream, -1);
	75
	76	name = TYPE_TAG_NAME (type);
	77	if (TYPE_CODE (type) == TYPE_CODE_STRUCT && name != NULL
c5aa993b	78	&& (i = strlen (name), name[i - 1] == ']'))
c906108c SS	79	{
	80	char buf4[4];
	81	long length;
	82	unsigned int things_printed = 0;
c5aa993b	83	int reps;
c906108c SS	84	struct type *el_type = java_primitive_type_from_name (name, i - 2);
	85
	86	i = 0;
	87	read_memory (address + JAVA_OBJECT_SIZE, buf4, 4);
	88
	89	length = (long) extract_signed_integer (buf4, 4);
	90	fprintf_filtered (stream, "{length: %ld", length);
	91
	92	if (el_type == NULL)
	93	{
c65ecaf3 AC	94	CORE_ADDR element;
c65ecaf3 AC	95	CORE_ADDR next_element = -1; /* dummy initial value */
c906108c	96
c5aa993b	97	address += JAVA_OBJECT_SIZE + 4; /* Skip object header and length. */
c906108c SS	98
	99	while (i < length && things_printed < print_max)
	100	{
35fc8285	101	char *buf;
c906108c	102
35fc8285	103	buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT);
c906108c SS	104	fputs_filtered (", ", stream);
	105	wrap_here (n_spaces (2));
	106
	107	if (i > 0)
	108	element = next_element;
	109	else
	110	{
c5aa993b	111	read_memory (address, buf, sizeof (buf));
c906108c	112	address += TARGET_PTR_BIT / HOST_CHAR_BIT;
b276f1bb AC	113	/* FIXME: cagney/2003-05-24: Bogus or what. It
	114	pulls a host sized pointer out of the target and
	115	then extracts that as an address (while assuming
	116	that the address is unsigned)! */
	117	element = extract_unsigned_integer (buf, sizeof (buf));
c906108c SS	118	}
c906108c SS	119
c5aa993b	120	for (reps = 1; i + reps < length; reps++)
c906108c	121	{
c5aa993b	122	read_memory (address, buf, sizeof (buf));
c906108c	123	address += TARGET_PTR_BIT / HOST_CHAR_BIT;
b276f1bb AC	124	/* FIXME: cagney/2003-05-24: Bogus or what. It
	125	pulls a host sized pointer out of the target and
	126	then extracts that as an address (while assuming
	127	that the address is unsigned)! */
	128	next_element = extract_unsigned_integer (buf, sizeof (buf));
c906108c SS	129	if (next_element != element)
	130	break;
	131	}
	132
	133	if (reps == 1)
	134	fprintf_filtered (stream, "%d: ", i);
	135	else
	136	fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);
	137
	138	if (element == 0)
	139	fprintf_filtered (stream, "null");
	140	else
d4f3574e	141	fprintf_filtered (stream, "@%s", paddr_nz (element));
c906108c SS	142
	143	things_printed++;
	144	i += reps;
	145	}
	146	}
	147	else
	148	{
75c9979e AC	149	struct value *v = allocate_value (el_type);
75c9979e AC	150	struct value *next_v = allocate_value (el_type);
c906108c SS	151
	152	VALUE_ADDRESS (v) = address + JAVA_OBJECT_SIZE + 4;
	153	VALUE_ADDRESS (next_v) = VALUE_ADDRESS (v);
	154
	155	while (i < length && things_printed < print_max)
	156	{
	157	fputs_filtered (", ", stream);
	158	wrap_here (n_spaces (2));
	159
	160	if (i > 0)
	161	{
75c9979e	162	struct value *tmp;
c906108c SS	163
	164	tmp = next_v;
	165	next_v = v;
	166	v = tmp;
	167	}
	168	else
	169	{
	170	VALUE_LAZY (v) = 1;
	171	VALUE_OFFSET (v) = 0;
	172	}
	173
	174	VALUE_OFFSET (next_v) = VALUE_OFFSET (v);
	175
c5aa993b	176	for (reps = 1; i + reps < length; reps++)
c906108c SS	177	{
	178	VALUE_LAZY (next_v) = 1;
	179	VALUE_OFFSET (next_v) += TYPE_LENGTH (el_type);
	180	if (memcmp (VALUE_CONTENTS (v), VALUE_CONTENTS (next_v),
	181	TYPE_LENGTH (el_type)) != 0)
	182	break;
	183	}
	184
	185	if (reps == 1)
	186	fprintf_filtered (stream, "%d: ", i);
	187	else
	188	fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);
	189
	190	val_print (VALUE_TYPE (v), VALUE_CONTENTS (v), 0, 0,
	191	stream, format, 2, 1, pretty);
	192
	193	things_printed++;
	194	i += reps;
	195	}
	196	}
	197
	198	if (i < length)
	199	fprintf_filtered (stream, "...");
	200
	201	fprintf_filtered (stream, "}");
	202
	203	return 0;
	204	}
	205
	206	/* If it's type String, print it */
	207
	208	if (TYPE_CODE (type) == TYPE_CODE_PTR
	209	&& TYPE_TARGET_TYPE (type)
d4cad8db TT	210	&& TYPE_TAG_NAME (TYPE_TARGET_TYPE (type))
	211	&& strcmp (TYPE_TAG_NAME (TYPE_TARGET_TYPE (type)),
	212	"java.lang.String") == 0
c906108c	213	&& (format == 0 \|\| format == 's')
8dccf761	214	&& address != 0
1aa20aa8	215	&& value_as_address (val) != 0)
c906108c	216	{
75c9979e	217	struct value *data_val;
c906108c	218	CORE_ADDR data;
75c9979e	219	struct value *boffset_val;
c906108c	220	unsigned long boffset;
75c9979e	221	struct value *count_val;
c906108c	222	unsigned long count;
75c9979e	223	struct value *mark;
c906108c SS	224
	225	mark = value_mark (); /* Remember start of new values */
	226
	227	data_val = value_struct_elt (&val, NULL, "data", NULL, NULL);
1aa20aa8	228	data = value_as_address (data_val);
c906108c SS	229
c906108c SS	230	boffset_val = value_struct_elt (&val, NULL, "boffset", NULL, NULL);
1aa20aa8	231	boffset = value_as_address (boffset_val);
c906108c SS	232
c906108c SS	233	count_val = value_struct_elt (&val, NULL, "count", NULL, NULL);
1aa20aa8	234	count = value_as_address (count_val);
c906108c	235
c5aa993b	236	value_free_to_mark (mark); /* Release unnecessary values */
c906108c SS	237
	238	val_print_string (data + boffset, count, 2, stream);
	239
	240	return 0;
	241	}
	242
	243	return (val_print (type, VALUE_CONTENTS (val), 0, address,
	244	stream, format, 1, 0, pretty));
	245	}
	246
	247	/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the
	248	same meanings as in cp_print_value and c_val_print.
	249
	250	DONT_PRINT is an array of baseclass types that we
	251	should not print, or zero if called from top level. */
	252
392a587b	253	static void
fba45db2 KB	254	java_print_value_fields (struct type type, char valaddr, CORE_ADDR address,
	255	struct ui_file *stream, int format, int recurse,
	256	enum val_prettyprint pretty)
c906108c SS	257	{
	258	int i, len, n_baseclasses;
	259
	260	CHECK_TYPEDEF (type);
	261
	262	fprintf_filtered (stream, "{");
	263	len = TYPE_NFIELDS (type);
	264	n_baseclasses = TYPE_N_BASECLASSES (type);
	265
	266	if (n_baseclasses > 0)
	267	{
	268	int i, n_baseclasses = TYPE_N_BASECLASSES (type);
	269
	270	for (i = 0; i < n_baseclasses; i++)
	271	{
	272	int boffset;
	273	struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
	274	char *basename = TYPE_NAME (baseclass);
	275	char *base_valaddr;
c5aa993b	276
c906108c SS	277	if (BASETYPE_VIA_VIRTUAL (type, i))
	278	continue;
	279
	280	if (basename != NULL && strcmp (basename, "java.lang.Object") == 0)
	281	continue;
	282
	283	boffset = 0;
	284
	285	if (pretty)
	286	{
	287	fprintf_filtered (stream, "\n");
c5aa993b	288	print_spaces_filtered (2 * (recurse + 1), stream);
c906108c SS	289	}
	290	fputs_filtered ("<", stream);
	291	/* Not sure what the best notation is in the case where there is no
	292	baseclass name. */
	293	fputs_filtered (basename ? basename : "", stream);
	294	fputs_filtered ("> = ", stream);
	295
	296	base_valaddr = valaddr;
	297
	298	java_print_value_fields (baseclass, base_valaddr, address + boffset,
c5aa993b	299	stream, format, recurse + 1, pretty);
c906108c	300	fputs_filtered (", ", stream);
c906108c SS	301	}
	302
	303	}
	304
	305	if (!len && n_baseclasses == 1)
	306	fprintf_filtered (stream, "<No data fields>");
	307	else
	308	{
c906108c SS	309	int fields_seen = 0;
	310
	311	for (i = n_baseclasses; i < len; i++)
	312	{
	313	/* If requested, skip printing of static fields. */
	314	if (TYPE_FIELD_STATIC (type, i))
	315	{
	316	char *name = TYPE_FIELD_NAME (type, i);
	317	if (!static_field_print)
	318	continue;
	319	if (name != NULL && strcmp (name, "class") == 0)
	320	continue;
	321	}
	322	if (fields_seen)
	323	fprintf_filtered (stream, ", ");
	324	else if (n_baseclasses > 0)
	325	{
	326	if (pretty)
	327	{
	328	fprintf_filtered (stream, "\n");
	329	print_spaces_filtered (2 + 2 * recurse, stream);
	330	fputs_filtered ("members of ", stream);
	331	fputs_filtered (type_name_no_tag (type), stream);
	332	fputs_filtered (": ", stream);
	333	}
	334	}
	335	fields_seen = 1;
	336
	337	if (pretty)
	338	{
	339	fprintf_filtered (stream, "\n");
	340	print_spaces_filtered (2 + 2 * recurse, stream);
	341	}
c5aa993b	342	else
c906108c SS	343	{
	344	wrap_here (n_spaces (2 + 2 * recurse));
	345	}
	346	if (inspect_it)
	347	{
	348	if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
	349	fputs_filtered ("\"( ptr \"", stream);
	350	else
	351	fputs_filtered ("\"( nodef \"", stream);
	352	if (TYPE_FIELD_STATIC (type, i))
	353	fputs_filtered ("static ", stream);
	354	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	355	language_cplus,
	356	DMGL_PARAMS \| DMGL_ANSI);
	357	fputs_filtered ("\" \"", stream);
	358	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	359	language_cplus,
	360	DMGL_PARAMS \| DMGL_ANSI);
	361	fputs_filtered ("\") \"", stream);
	362	}
	363	else
	364	{
	365	annotate_field_begin (TYPE_FIELD_TYPE (type, i));
	366
	367	if (TYPE_FIELD_STATIC (type, i))
	368	fputs_filtered ("static ", stream);
	369	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	370	language_cplus,
	371	DMGL_PARAMS \| DMGL_ANSI);
	372	annotate_field_name_end ();
	373	fputs_filtered (": ", stream);
	374	annotate_field_value ();
	375	}
	376
	377	if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
	378	{
75c9979e	379	struct value *v;
c906108c SS	380
c906108c SS	381	/* Bitfields require special handling, especially due to byte
c5aa993b	382	order problems. */
c906108c SS	383	if (TYPE_FIELD_IGNORE (type, i))
c906108c SS	384	{
c5aa993b	385	fputs_filtered ("<optimized out or zero length>", stream);
c906108c SS	386	}
	387	else
	388	{
c5aa993b	389	v = value_from_longest (TYPE_FIELD_TYPE (type, i),
c906108c SS	390	unpack_field_as_long (type, valaddr, i));
c906108c SS	391
c5aa993b JM	392	val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0,
c5aa993b JM	393	0, stream, format, 0, recurse + 1, pretty);
c906108c SS	394	}
	395	}
	396	else
	397	{
	398	if (TYPE_FIELD_IGNORE (type, i))
	399	{
c5aa993b	400	fputs_filtered ("<optimized out or zero length>", stream);
c906108c SS	401	}
	402	else if (TYPE_FIELD_STATIC (type, i))
	403	{
75c9979e	404	struct value *v = value_static_field (type, i);
c906108c SS	405	if (v == NULL)
	406	fputs_filtered ("<optimized out>", stream);
	407	else
	408	{
	409	struct type *t = check_typedef (VALUE_TYPE (v));
	410	if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
	411	v = value_addr (v);
	412	val_print (VALUE_TYPE (v),
	413	VALUE_CONTENTS (v), 0, VALUE_ADDRESS (v),
c5aa993b	414	stream, format, 0, recurse + 1, pretty);
c906108c SS	415	}
c906108c SS	416	}
7a292a7a SS	417	else if (TYPE_FIELD_TYPE (type, i) == NULL)
7a292a7a SS	418	fputs_filtered ("<unknown type>", stream);
c906108c SS	419	else
c906108c SS	420	{
c5aa993b JM	421	val_print (TYPE_FIELD_TYPE (type, i),
	422	valaddr + TYPE_FIELD_BITPOS (type, i) / 8, 0,
	423	address + TYPE_FIELD_BITPOS (type, i) / 8,
	424	stream, format, 0, recurse + 1, pretty);
c906108c SS	425	}
	426	}
	427	annotate_field_end ();
	428	}
	429
	430	if (pretty)
	431	{
	432	fprintf_filtered (stream, "\n");
	433	print_spaces_filtered (2 * recurse, stream);
	434	}
	435	}
	436	fprintf_filtered (stream, "}");
	437	}
	438
	439	/* Print data of type TYPE located at VALADDR (within GDB), which came from
	440	the inferior at address ADDRESS, onto stdio stream STREAM according to
	441	FORMAT (a letter or 0 for natural format). The data at VALADDR is in
	442	target byte order.
	443
	444	If the data are a string pointer, returns the number of string characters
	445	printed.
	446
	447	If DEREF_REF is nonzero, then dereference references, otherwise just print
	448	them like pointers.
	449
	450	The PRETTY parameter controls prettyprinting. */
	451
	452	int
fba45db2 KB	453	java_val_print (struct type type, char valaddr, int embedded_offset,
	454	CORE_ADDR address, struct ui_file *stream, int format,
	455	int deref_ref, int recurse, enum val_prettyprint pretty)
c906108c	456	{
52f0bd74	457	unsigned int i = 0; /* Number of characters printed */
c906108c SS	458	struct type *target_type;
	459	CORE_ADDR addr;
	460
	461	CHECK_TYPEDEF (type);
	462	switch (TYPE_CODE (type))
	463	{
	464	case TYPE_CODE_PTR:
	465	if (format && format != 's')
	466	{
	467	print_scalar_formatted (valaddr, type, format, 0, stream);
	468	break;
	469	}
	470	#if 0
c5aa993b	471	if (vtblprint && cp_is_vtbl_ptr_type (type))
c906108c	472	{
c5aa993b	473	/* Print the unmangled name if desired. */
c906108c SS	474	/* Print vtable entry - we only get here if we ARE using
c906108c SS	475	-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
b276f1bb AC	476	/* Extract an address, assume that it is unsigned. */
b276f1bb AC	477	print_address_demangle (extract_unsigned_integer (valaddr, TYPE_LENGTH (type)),
c5aa993b	478	stream, demangle);
c906108c SS	479	break;
	480	}
	481	#endif
	482	addr = unpack_pointer (type, valaddr);
	483	if (addr == 0)
	484	{
	485	fputs_filtered ("null", stream);
	486	return i;
	487	}
	488	target_type = check_typedef (TYPE_TARGET_TYPE (type));
	489
	490	if (TYPE_CODE (target_type) == TYPE_CODE_FUNC)
	491	{
	492	/* Try to print what function it points to. */
	493	print_address_demangle (addr, stream, demangle);
	494	/* Return value is irrelevant except for string pointers. */
	495	return (0);
	496	}
	497
	498	if (addressprint && format != 's')
	499	{
	500	fputs_filtered ("@", stream);
	501	print_longest (stream, 'x', 0, (ULONGEST) addr);
	502	}
	503
	504	return i;
	505
	506	case TYPE_CODE_CHAR:
c906108c	507	case TYPE_CODE_INT:
c55a3f73 TT	508	/* Can't just call c_val_print because that prints bytes as C
c55a3f73 TT	509	chars. */
c906108c SS	510	format = format ? format : output_format;
	511	if (format)
	512	print_scalar_formatted (valaddr, type, format, 0, stream);
c55a3f73 TT	513	else if (TYPE_CODE (type) == TYPE_CODE_CHAR
	514	\|\| (TYPE_CODE (type) == TYPE_CODE_INT
	515	&& TYPE_LENGTH (type) == 2
	516	&& strcmp (TYPE_NAME (type), "char") == 0))
	517	LA_PRINT_CHAR ((int) unpack_long (type, valaddr), stream);
c906108c SS	518	else
	519	val_print_type_code_int (type, valaddr, stream);
	520	break;
	521
	522	case TYPE_CODE_STRUCT:
	523	java_print_value_fields (type, valaddr, address, stream, format,
	524	recurse, pretty);
	525	break;
	526
	527	default:
	528	return c_val_print (type, valaddr, embedded_offset, address, stream,
	529	format, deref_ref, recurse, pretty);
	530	}
	531
	532	return 0;
	533	}