/* Support for printing Java values for GDB, the GNU debugger.
- Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free
- Software Foundation, Inc.
+ Copyright (C) 1997-2013 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
/* Local functions */
-int
-java_value_print (struct value *val, struct ui_file *stream, int format,
- enum val_prettyprint pretty)
+void
+java_value_print (struct value *val, struct ui_file *stream,
+ const struct value_print_options *options)
{
+ struct gdbarch *gdbarch = get_type_arch (value_type (val));
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct type *type;
CORE_ADDR address;
int i;
- char *name;
+ const char *name;
+ struct value_print_options opts;
type = value_type (val);
- address = VALUE_ADDRESS (val) + value_offset (val);
+ address = value_address (val);
if (is_object_type (type))
{
CORE_ADDR obj_addr;
+ struct value *tem = val;
- /* Get the run-time type, and cast the object into that */
+ /* Get the run-time type, and cast the object into that. */
+ while (TYPE_CODE (value_type (tem)) == TYPE_CODE_PTR)
+ tem = value_ind (tem);
- obj_addr = unpack_pointer (type, value_contents (val));
+ obj_addr = value_address (tem);
if (obj_addr != 0)
{
- type = type_from_class (java_class_from_object (val));
+ type = type_from_class (gdbarch, java_class_from_object (val));
type = lookup_pointer_type (type);
val = value_at (type, address);
if (TYPE_CODE (type) == TYPE_CODE_STRUCT && name != NULL
&& (i = strlen (name), name[i - 1] == ']'))
{
- char buf4[4];
+ gdb_byte buf4[4];
long length;
unsigned int things_printed = 0;
int reps;
- struct type *el_type = java_primitive_type_from_name (name, i - 2);
+ struct type *el_type
+ = java_primitive_type_from_name (gdbarch, name, i - 2);
i = 0;
- read_memory (address + JAVA_OBJECT_SIZE, buf4, 4);
+ read_memory (address + get_java_object_header_size (gdbarch), buf4, 4);
- length = (long) extract_signed_integer (buf4, 4);
+ length = (long) extract_signed_integer (buf4, 4, byte_order);
fprintf_filtered (stream, "{length: %ld", length);
if (el_type == NULL)
{
CORE_ADDR element;
- CORE_ADDR next_element = -1; /* dummy initial value */
+ CORE_ADDR next_element = -1; /* Dummy initial value. */
- address += JAVA_OBJECT_SIZE + 4; /* Skip object header and length. */
+ /* Skip object header and length. */
+ address += get_java_object_header_size (gdbarch) + 4;
- while (i < length && things_printed < print_max)
+ while (i < length && things_printed < options->print_max)
{
- char *buf;
+ gdb_byte *buf;
- buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT);
+ buf = alloca (gdbarch_ptr_bit (gdbarch) / HOST_CHAR_BIT);
fputs_filtered (", ", stream);
wrap_here (n_spaces (2));
else
{
read_memory (address, buf, sizeof (buf));
- address += TARGET_PTR_BIT / HOST_CHAR_BIT;
+ address += gdbarch_ptr_bit (gdbarch) / 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));
+ element = extract_unsigned_integer (buf, sizeof (buf),
+ byte_order);
}
for (reps = 1; i + reps < length; reps++)
{
read_memory (address, buf, sizeof (buf));
- address += TARGET_PTR_BIT / HOST_CHAR_BIT;
+ address += gdbarch_ptr_bit (gdbarch) / 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));
+ next_element = extract_unsigned_integer (buf, sizeof (buf),
+ byte_order);
if (next_element != element)
break;
}
if (element == 0)
fprintf_filtered (stream, "null");
else
- fprintf_filtered (stream, "@%s", paddr_nz (element));
+ fprintf_filtered (stream, "@%s", paddress (gdbarch, element));
things_printed++;
i += reps;
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);
+ set_value_address (v, (address
+ + get_java_object_header_size (gdbarch) + 4));
+ set_value_address (next_v, value_raw_address (v));
- while (i < length && things_printed < print_max)
+ while (i < length && things_printed < options->print_max)
{
fputs_filtered (", ", stream);
wrap_here (n_spaces (2));
}
else
{
- VALUE_LAZY (v) = 1;
- v->offset = 0;
+ set_value_lazy (v, 1);
+ set_value_offset (v, 0);
}
- next_v->offset = value_offset (v);
+ set_value_offset (next_v, value_offset (v));
for (reps = 1; i + reps < length; reps++)
{
- VALUE_LAZY (next_v) = 1;
- next_v->offset += TYPE_LENGTH (el_type);
- if (memcmp (value_contents (v), value_contents (next_v),
- TYPE_LENGTH (el_type)) != 0)
+ set_value_lazy (next_v, 1);
+ set_value_offset (next_v, value_offset (next_v)
+ + TYPE_LENGTH (el_type));
+ value_fetch_lazy (next_v);
+ if (!(value_available_contents_eq
+ (v, value_embedded_offset (v),
+ next_v, value_embedded_offset (next_v),
+ TYPE_LENGTH (el_type))))
break;
}
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);
+ opts = *options;
+ opts.deref_ref = 1;
+ common_val_print (v, stream, 1, &opts, current_language);
things_printed++;
i += reps;
fprintf_filtered (stream, "}");
- return 0;
+ return;
}
- /* If it's type String, print it */
+ /* 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')
+ && (options->format == 0 || options->format == 's')
&& address != 0
&& value_as_address (val) != 0)
{
+ struct type *char_type;
struct value *data_val;
CORE_ADDR data;
struct value *boffset_val;
unsigned long count;
struct value *mark;
- mark = value_mark (); /* Remember start of new values */
+ fputs_filtered (" ", stream);
+
+ mark = value_mark (); /* Remember start of new values. */
data_val = value_struct_elt (&val, NULL, "data", NULL, NULL);
data = value_as_address (data_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 */
+ value_free_to_mark (mark); /* Release unnecessary values. */
- val_print_string (data + boffset, count, 2, stream);
+ char_type = builtin_java_type (gdbarch)->builtin_char;
+ val_print_string (char_type, NULL, data + boffset, count, stream,
+ options);
- return 0;
+ return;
}
- return (val_print (type, value_contents (val), 0, address,
- stream, format, 1, 0, pretty));
+ opts = *options;
+ opts.deref_ref = 1;
+ common_val_print (val, stream, 0, &opts, current_language);
}
-/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the
+/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and OPTIONS 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, const bfd_byte *valaddr,
+java_print_value_fields (struct type *type, const gdb_byte *valaddr,
+ int offset,
CORE_ADDR address, struct ui_file *stream,
- int format, int recurse, enum val_prettyprint pretty)
+ int recurse,
+ const struct value *val,
+ const struct value_print_options *options)
{
int i, len, n_baseclasses;
{
int boffset;
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
- char *basename = TYPE_NAME (baseclass);
- const bfd_byte *base_valaddr;
+ const char *basename = TYPE_NAME (baseclass);
+ const gdb_byte *base_valaddr;
if (BASETYPE_VIA_VIRTUAL (type, i))
continue;
boffset = 0;
- if (pretty)
+ if (options->pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * (recurse + 1), stream);
base_valaddr = valaddr;
- java_print_value_fields (baseclass, base_valaddr, address + boffset,
- stream, format, recurse + 1, pretty);
+ java_print_value_fields (baseclass, base_valaddr,
+ offset + boffset, address,
+ stream, recurse + 1, val, options);
fputs_filtered (", ", stream);
}
-
}
if (!len && n_baseclasses == 1)
for (i = n_baseclasses; i < len; i++)
{
/* If requested, skip printing of static fields. */
- if (TYPE_FIELD_STATIC (type, i))
+ if (field_is_static (&TYPE_FIELD (type, i)))
{
- char *name = TYPE_FIELD_NAME (type, i);
- if (!static_field_print)
+ const char *name = TYPE_FIELD_NAME (type, i);
+
+ if (!options->static_field_print)
continue;
if (name != NULL && strcmp (name, "class") == 0)
continue;
fprintf_filtered (stream, ", ");
else if (n_baseclasses > 0)
{
- if (pretty)
+ if (options->pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
}
fields_seen = 1;
- if (pretty)
+ if (options->pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
{
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))
+ annotate_field_begin (TYPE_FIELD_TYPE (type, i));
+
+ if (field_is_static (&TYPE_FIELD (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 (!field_is_static (&TYPE_FIELD (type, i))
+ && TYPE_FIELD_PACKED (type, i))
{
struct value *v;
{
fputs_filtered ("<optimized out or zero length>", stream);
}
+ else if (value_bits_synthetic_pointer (val,
+ TYPE_FIELD_BITPOS (type,
+ i),
+ TYPE_FIELD_BITSIZE (type,
+ i)))
+ {
+ fputs_filtered (_("<synthetic pointer>"), stream);
+ }
+ else if (!value_bits_valid (val, TYPE_FIELD_BITPOS (type, i),
+ TYPE_FIELD_BITSIZE (type, i)))
+ {
+ val_print_optimized_out (stream);
+ }
else
{
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
+ struct value_print_options opts;
- val_print (TYPE_FIELD_TYPE (type, i), value_contents (v), 0,
- 0, stream, format, 0, recurse + 1, pretty);
+ v = value_field_bitfield (type, i, valaddr, offset, val);
+
+ opts = *options;
+ opts.deref_ref = 0;
+ common_val_print (v, stream, recurse + 1,
+ &opts, current_language);
}
}
else
{
fputs_filtered ("<optimized out or zero length>", stream);
}
- else if (TYPE_FIELD_STATIC (type, i))
+ else if (field_is_static (&TYPE_FIELD (type, i)))
{
struct value *v = value_static_field (type, i);
+
if (v == NULL)
- fputs_filtered ("<optimized out>", stream);
+ val_print_optimized_out (stream);
else
{
+ struct value_print_options opts;
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);
+ opts = *options;
+ opts.deref_ref = 0;
+ common_val_print (v, stream, recurse + 1,
+ &opts, current_language);
}
}
else if (TYPE_FIELD_TYPE (type, i) == NULL)
fputs_filtered ("<unknown type>", stream);
else
{
+ struct value_print_options opts = *options;
+
+ opts.deref_ref = 0;
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);
+ valaddr,
+ offset + TYPE_FIELD_BITPOS (type, i) / 8,
+ address, stream, recurse + 1, val, &opts,
+ current_language);
}
}
annotate_field_end ();
}
- if (pretty)
+ if (options->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.
+/* See val_print for a description of the various parameters of this
+ function; they are identical. */
- 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, const bfd_byte *valaddr,
+void
+java_val_print (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int format, int deref_ref,
- int recurse, enum val_prettyprint pretty)
+ struct ui_file *stream, int recurse,
+ const struct value *val,
+ const struct value_print_options *options)
{
- unsigned int i = 0; /* Number of characters printed */
+ struct gdbarch *gdbarch = get_type_arch (type);
+ unsigned int i = 0; /* Number of characters printed. */
struct type *target_type;
CORE_ADDR addr;
switch (TYPE_CODE (type))
{
case TYPE_CODE_PTR:
- if (format && format != 's')
+ if (options->format && options->format != 's')
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ val, options, 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);
+ addr = unpack_pointer (type, valaddr + embedded_offset);
if (addr == 0)
{
fputs_filtered ("null", stream);
- return i;
+ return;
}
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);
+ print_address_demangle (options, gdbarch, addr, stream, demangle);
+ return;
}
- if (addressprint && format != 's')
+ if (options->addressprint && options->format != 's')
{
fputs_filtered ("@", stream);
print_longest (stream, 'x', 0, (ULONGEST) addr);
}
- return i;
+ return;
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);
+ if (options->format || options->output_format)
+ {
+ struct value_print_options opts = *options;
+
+ opts.format = (options->format ? options->format
+ : options->output_format);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ val, &opts, 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);
+ LA_PRINT_CHAR ((int) unpack_long (type, valaddr + embedded_offset),
+ type, stream);
else
- val_print_type_code_int (type, valaddr, stream);
+ val_print_type_code_int (type, valaddr + embedded_offset, stream);
break;
case TYPE_CODE_STRUCT:
- java_print_value_fields (type, valaddr, address, stream, format,
- recurse, pretty);
+ java_print_value_fields (type, valaddr, embedded_offset,
+ address, stream, recurse, val, options);
break;
default:
- return c_val_print (type, valaddr, embedded_offset, address, stream,
- format, deref_ref, recurse, pretty);
+ c_val_print (type, valaddr, embedded_offset, address, stream,
+ recurse, val, options);
+ break;
}
-
- return 0;
}