/* Support for printing Modula 2 values for GDB, the GNU debugger.
- Copyright (C) 1986, 1988, 1989, 1991, 1992, 1996, 1998,
- 2000, 2005, 2006
- Free Software Foundation, Inc.
+ Copyright (C) 1986, 1988, 1989, 1991, 1992, 1996, 1998, 2000, 2005, 2006,
+ 2007, 2008, 2009 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
#include "m2-lang.h"
#include "target.h"
-int print_unpacked_pointer (struct type *type,
- CORE_ADDR address, CORE_ADDR addr,
- int format, struct ui_file *stream);
+static int print_unpacked_pointer (struct type *type,
+ CORE_ADDR address, CORE_ADDR addr,
+ const struct value_print_options *options,
+ struct ui_file *stream);
+static void
+m2_print_array_contents (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value_print_options *options,
+ int len);
/* Print function pointer with inferior address ADDRESS onto stdio
stream STREAM. */
static void
-print_function_pointer_address (CORE_ADDR address, struct ui_file *stream)
+print_function_pointer_address (CORE_ADDR address, struct ui_file *stream,
+ int addressprint)
{
CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
address,
print_address_demangle (func_addr, stream, demangle);
}
-/*
- * get_long_set_bounds - assigns the bounds of the long set to low and high.
- */
+/* get_long_set_bounds - assigns the bounds of the long set to low and
+ high. */
int
get_long_set_bounds (struct type *type, LONGEST *low, LONGEST *high)
static void
m2_print_long_set (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int format,
- enum val_prettyprint pretty)
+ struct ui_file *stream)
{
int empty_set = 1;
int element_seen = 0;
target = TYPE_TARGET_TYPE (range);
if (target == NULL)
- target = builtin_type_int;
+ target = builtin_type_int32;
if (get_discrete_bounds (range, &field_low, &field_high) >= 0)
{
break;
target = TYPE_TARGET_TYPE (range);
if (target == NULL)
- target = builtin_type_int;
+ target = builtin_type_int32;
}
}
if (element_seen)
}
}
-int
+static void
+m2_print_unbounded_array (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value_print_options *options)
+{
+ struct type *content_type;
+ CORE_ADDR addr;
+ LONGEST len;
+ struct value *val;
+
+ CHECK_TYPEDEF (type);
+ content_type = TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0));
+
+ addr = unpack_pointer (TYPE_FIELD_TYPE (type, 0),
+ (TYPE_FIELD_BITPOS (type, 0) / 8) +
+ valaddr + embedded_offset);
+
+ val = value_at_lazy (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0)),
+ addr);
+ len = unpack_field_as_long (type, valaddr + embedded_offset, 1);
+
+ fprintf_filtered (stream, "{");
+ m2_print_array_contents (value_type (val), value_contents(val),
+ value_embedded_offset (val), addr, stream,
+ recurse, options, len);
+ fprintf_filtered (stream, ", HIGH = %d}", (int) len);
+}
+
+static int
print_unpacked_pointer (struct type *type,
CORE_ADDR address, CORE_ADDR addr,
- int format, struct ui_file *stream)
+ const struct value_print_options *options,
+ struct ui_file *stream)
{
struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
- print_function_pointer_address (addr, stream);
+ print_function_pointer_address (addr, stream, options->addressprint);
/* Return value is irrelevant except for string pointers. */
return 0;
}
- if (addressprint && format != 's')
+ if (options->addressprint && options->format != 's')
fputs_filtered (paddress (address), stream);
/* For a pointer to char or unsigned char, also print the string
if (TYPE_LENGTH (elttype) == 1
&& TYPE_CODE (elttype) == TYPE_CODE_INT
- && (format == 0 || format == 's')
+ && (options->format == 0 || options->format == 's')
&& addr != 0)
- return val_print_string (addr, -1, TYPE_LENGTH (elttype), stream);
+ return val_print_string (addr, -1, TYPE_LENGTH (elttype), stream, options);
return 0;
}
static void
-print_variable_at_address (struct type *type, const gdb_byte *valaddr,
- struct ui_file *stream, int format,
- int deref_ref, int recurse,
- enum val_prettyprint pretty)
+print_variable_at_address (struct type *type,
+ const gdb_byte *valaddr,
+ struct ui_file *stream,
+ int recurse,
+ const struct value_print_options *options)
{
CORE_ADDR addr = unpack_pointer (type, valaddr);
struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
struct value *deref_val =
- value_at
- (TYPE_TARGET_TYPE (type),
- unpack_pointer (lookup_pointer_type (builtin_type_void),
- valaddr));
- common_val_print (deref_val, stream, format, deref_ref,
- recurse, pretty);
+ value_at (TYPE_TARGET_TYPE (type), unpack_pointer (type, valaddr));
+ common_val_print (deref_val, stream, recurse, options, current_language);
}
else
fputs_filtered ("???", stream);
}
+
+/* m2_print_array_contents - prints out the contents of an
+ array up to a max_print values.
+ It prints arrays of char as a string
+ and all other data types as comma
+ separated values. */
+
+static void
+m2_print_array_contents (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value_print_options *options,
+ int len)
+{
+ int eltlen;
+ CHECK_TYPEDEF (type);
+
+ if (TYPE_LENGTH (type) > 0)
+ {
+ eltlen = TYPE_LENGTH (type);
+ if (options->prettyprint_arrays)
+ print_spaces_filtered (2 + 2 * recurse, stream);
+ /* For an array of chars, print with string syntax. */
+ if (eltlen == 1 &&
+ ((TYPE_CODE (type) == TYPE_CODE_INT)
+ || ((current_language->la_language == language_m2)
+ && (TYPE_CODE (type) == TYPE_CODE_CHAR)))
+ && (options->format == 0 || options->format == 's'))
+ val_print_string (address, len+1, eltlen, stream, options);
+ else
+ {
+ fprintf_filtered (stream, "{");
+ val_print_array_elements (type, valaddr + embedded_offset,
+ address, stream, recurse, options, 0);
+ 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.
+ OPTIONS. 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. */
+ printed. */
int
m2_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)
+ CORE_ADDR address, struct ui_file *stream, int recurse,
+ const struct value_print_options *options)
{
unsigned int i = 0; /* Number of characters printed */
unsigned len;
elttype = check_typedef (TYPE_TARGET_TYPE (type));
eltlen = TYPE_LENGTH (elttype);
len = TYPE_LENGTH (type) / eltlen;
- if (prettyprint_arrays)
+ if (options->prettyprint_arrays)
print_spaces_filtered (2 + 2 * recurse, stream);
/* For an array of chars, print with string syntax. */
if (eltlen == 1 &&
((TYPE_CODE (elttype) == TYPE_CODE_INT)
|| ((current_language->la_language == language_m2)
&& (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
- && (format == 0 || format == 's'))
+ && (options->format == 0 || options->format == 's'))
{
/* If requested, look for the first null char and only print
elements up to it. */
- if (stop_print_at_null)
+ if (options->stop_print_at_null)
{
unsigned int temp_len;
/* Look for a NULL char. */
for (temp_len = 0;
(valaddr + embedded_offset)[temp_len]
- && temp_len < len && temp_len < print_max;
+ && temp_len < len && temp_len < options->print_max;
temp_len++);
len = temp_len;
}
- LA_PRINT_STRING (stream, valaddr + embedded_offset, len, 1, 0);
+ LA_PRINT_STRING (stream, valaddr + embedded_offset, len, 1, 0,
+ options);
i = len;
}
else
{
fprintf_filtered (stream, "{");
val_print_array_elements (type, valaddr + embedded_offset,
- address, stream, format, deref_ref,
- recurse, pretty, 0);
+ address, stream, recurse, options, 0);
fprintf_filtered (stream, "}");
}
break;
}
/* Array of unspecified length: treat like pointer to first elt. */
- print_unpacked_pointer (type, address, address, format, stream);
+ print_unpacked_pointer (type, address, address, options, stream);
break;
case TYPE_CODE_PTR:
if (TYPE_CONST (type))
print_variable_at_address (type, valaddr + embedded_offset,
- stream, format, deref_ref, recurse,
- pretty);
- else if (format && format != 's')
- print_scalar_formatted (valaddr + embedded_offset, type, format,
- 0, stream);
+ stream, recurse, options);
+ else if (options->format && options->format != 's')
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, 0, stream);
else
{
addr = unpack_pointer (type, valaddr + embedded_offset);
- print_unpacked_pointer (type, addr, address, format, stream);
+ print_unpacked_pointer (type, addr, address, options, stream);
}
break;
case TYPE_CODE_REF:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (addressprint)
+ if (options->addressprint)
{
CORE_ADDR addr
= extract_typed_address (valaddr + embedded_offset, type);
fprintf_filtered (stream, "@");
fputs_filtered (paddress (addr), stream);
- if (deref_ref)
+ if (options->deref_ref)
fputs_filtered (": ", stream);
}
/* De-reference the reference. */
- if (deref_ref)
+ if (options->deref_ref)
{
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
struct value *deref_val =
value_at
(TYPE_TARGET_TYPE (type),
- unpack_pointer (lookup_pointer_type (builtin_type_void),
- valaddr + embedded_offset));
- common_val_print (deref_val, stream, format, deref_ref,
- recurse, pretty);
+ unpack_pointer (type, valaddr + embedded_offset));
+ common_val_print (deref_val, stream, recurse, options,
+ current_language);
}
else
fputs_filtered ("???", stream);
break;
case TYPE_CODE_UNION:
- if (recurse && !unionprint)
+ if (recurse && !options->unionprint)
{
fprintf_filtered (stream, "{...}");
break;
case TYPE_CODE_STRUCT:
if (m2_is_long_set (type))
m2_print_long_set (type, valaddr, embedded_offset, address,
- stream, format, pretty);
+ stream);
+ else if (m2_is_unbounded_array (type))
+ m2_print_unbounded_array (type, valaddr, embedded_offset,
+ address, stream, recurse, options);
else
cp_print_value_fields (type, type, valaddr, embedded_offset,
- address, stream, format,
- recurse, pretty, NULL, 0);
+ address, stream, recurse, options, NULL, 0);
break;
case TYPE_CODE_ENUM:
- if (format)
+ if (options->format)
{
print_scalar_formatted (valaddr + embedded_offset, type,
- format, 0, stream);
+ options, 0, stream);
break;
}
len = TYPE_NFIELDS (type);
break;
case TYPE_CODE_FUNC:
- if (format)
+ if (options->format)
{
print_scalar_formatted (valaddr + embedded_offset, type,
- format, 0, stream);
+ options, 0, stream);
break;
}
/* FIXME, we should consider, at least for ANSI C language, eliminating
break;
case TYPE_CODE_BOOL:
- format = format ? format : output_format;
- if (format)
- print_scalar_formatted (valaddr + embedded_offset, 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);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ &opts, 0, stream);
+ }
else
{
val = unpack_long (type, valaddr + embedded_offset);
if (TYPE_LENGTH (type) == TYPE_LENGTH (TYPE_TARGET_TYPE (type)))
{
m2_val_print (TYPE_TARGET_TYPE (type), valaddr, embedded_offset,
- address, stream, format, deref_ref, recurse, pretty);
+ address, stream, recurse, options);
break;
}
/* FIXME: create_range_type does not set the unsigned bit in a
/* FALLTHROUGH */
case TYPE_CODE_INT:
- format = format ? format : output_format;
- if (format)
- print_scalar_formatted (valaddr + embedded_offset, 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);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ &opts, 0, stream);
+ }
else
val_print_type_code_int (type, valaddr + embedded_offset, stream);
break;
case TYPE_CODE_CHAR:
- format = format ? format : output_format;
- if (format)
- print_scalar_formatted (valaddr + embedded_offset, 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);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ &opts, 0, stream);
+ }
else
{
val = unpack_long (type, valaddr + embedded_offset);
break;
case TYPE_CODE_FLT:
- if (format)
+ if (options->format)
print_scalar_formatted (valaddr + embedded_offset, type,
- format, 0, stream);
+ options, 0, stream);
else
print_floating (valaddr + embedded_offset, type, stream);
break;