/* Support for printing Java values for GDB, the GNU debugger.
- Copyright 1997 Free Software Foundation, Inc.
+ Copyright 1997-2000 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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 "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 (val, stream, format, pretty)
- value_ptr val;
- GDB_FILE *stream;
- int format;
- enum val_prettyprint pretty;
+java_value_print (value_ptr val, struct ui_file *stream, int format,
+ enum val_prettyprint pretty)
{
- struct type *type = VALUE_TYPE (val);
- CORE_ADDR address = VALUE_ADDRESS (val) + VALUE_OFFSET (val);
+ 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 = unpack_pointer (type, VALUE_CONTENTS (val));
+ 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)
{
- value_ptr obj_val
- = value_at (TYPE_TARGET_TYPE (type), obj_addr, NULL);
- type = type_from_class (java_class_from_object (obj_val));
+ 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);
- }
- if (TYPE_CODE (type) == TYPE_CODE_STRUCT && TYPE_TAG_NAME (type) != NULL
- && TYPE_TAG_NAME (type)[0] == '[')
+ 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 i = 0;
- int reps;
+ 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 (TYPE_TAG_NAME (type)[1] == 'L'
- || TYPE_TAG_NAME (type)[1] == '[')
+
+ if (el_type == NULL)
{
CORE_ADDR element, next_element;
- address += JAVA_OBJECT_SIZE + 4; /* Skip object header and length. */
+
+ address += JAVA_OBJECT_SIZE + 4; /* Skip object header and length. */
+
while (i < length && things_printed < print_max)
{
char buf[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));
+ read_memory (address, buf, sizeof (buf));
address += TARGET_PTR_BIT / HOST_CHAR_BIT;
- element = extract_address (buf, sizeof(buf));
+ element = extract_address (buf, sizeof (buf));
}
- for (reps = 1; i + reps < length; reps++)
+
+ for (reps = 1; i + reps < length; reps++)
{
- read_memory (address, buf, sizeof(buf));
+ read_memory (address, buf, sizeof (buf));
address += TARGET_PTR_BIT / HOST_CHAR_BIT;
- next_element = extract_address (buf, sizeof(buf));
+ 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, "@%x", element);
+ fprintf_filtered (stream, "@%s", paddr_nz (element));
+
things_printed++;
i += reps;
}
}
else
{
- struct type *el_type = java_primitive_type (TYPE_TAG_NAME (type)[1]);
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);
{
fputs_filtered (", ", stream);
wrap_here (n_spaces (2));
+
if (i > 0)
{
- value_ptr tmp = next_v; next_v = v; v = tmp;
+ 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++)
+
+ for (reps = 1; i + reps < length; reps++)
{
VALUE_LAZY (next_v) = 1;
VALUE_OFFSET (next_v) += TYPE_LENGTH (el_type);
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,
+
+ 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_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), address,
+ return (val_print (type, VALUE_CONTENTS (val), 0, address,
stream, format, 1, 0, pretty));
}
DONT_PRINT is an array of baseclass types that we
should not print, or zero if called from top level. */
-void
-java_print_value_fields (type, valaddr, address, stream,
- format, recurse, pretty)
- struct type *type;
- char *valaddr;
- CORE_ADDR address;
- GDB_FILE *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
+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;
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 (pretty)
{
fprintf_filtered (stream, "\n");
- print_spaces_filtered (2 * (recurse+1), stream);
+ print_spaces_filtered (2 * (recurse + 1), stream);
}
fputs_filtered ("<", stream);
/* Not sure what the best notation is in the case where there is no
base_valaddr = valaddr;
java_print_value_fields (baseclass, base_valaddr, address + boffset,
- stream, format, recurse+1, pretty);
+ stream, format, recurse + 1, pretty);
fputs_filtered (", ", stream);
-
+
flush_it:
;
}
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
}
- else
+ else
{
wrap_here (n_spaces (2 + 2 * recurse));
}
value_ptr v;
/* Bitfields require special handling, especially due to byte
- order problems. */
+ order problems. */
if (TYPE_FIELD_IGNORE (type, i))
{
- fputs_filtered ("<optimized out or zero length>", stream);
+ fputs_filtered ("<optimized out or zero length>", stream);
}
else
{
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
+ 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,
- stream, format, 0, recurse + 1, pretty);
+ 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);
+ fputs_filtered ("<optimized out or zero length>", stream);
}
else if (TYPE_FIELD_STATIC (type, i))
{
if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
v = value_addr (v);
val_print (VALUE_TYPE (v),
- VALUE_CONTENTS (v), VALUE_ADDRESS (v),
- stream, format, 0, recurse+1, pretty);
+ 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,
- address + TYPE_FIELD_BITPOS (type, i) / 8,
- stream, format, 0, recurse + 1, pretty);
+ 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 ();
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 (type, valaddr, address, stream, format, deref_ref, recurse,
- pretty)
- struct type *type;
- char *valaddr;
- CORE_ADDR address;
- GDB_FILE *stream;
- int format;
- int deref_ref;
- int recurse;
- enum val_prettyprint pretty;
+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 *elttype;
+ register unsigned int i = 0; /* Number of characters printed */
+ struct type *target_type;
CORE_ADDR addr;
CHECK_TYPEDEF (type);
break;
}
#if 0
- if (vtblprint && cp_is_vtbl_ptr_type(type))
+ if (vtblprint && cp_is_vtbl_ptr_type (type))
{
- /* Print the unmangled name if desired. */
+ /* 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);
+ print_address_demangle (extract_address (valaddr, TYPE_LENGTH (type)),
+ stream, demangle);
break;
}
#endif
fputs_filtered ("null", stream);
return i;
}
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
- {
- print_unpacked_pointer:
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
+ target_type = check_typedef (TYPE_TARGET_TYPE (type));
- if (TYPE_CODE (elttype) == 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 (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;
+ 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);
- }
+ print_scalar_formatted (valaddr, type, format, 0, stream);
else
- {
- LA_PRINT_CHAR ((int) unpack_long (type, valaddr), stream);
- }
+ 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, address, stream, format,
- deref_ref, recurse, pretty);
+ return c_val_print (type, valaddr, embedded_offset, address, stream,
+ format, deref_ref, recurse, pretty);
}
+
+ return 0;
}
projects / deliverable / binutils-gdb.git / blobdiff