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578 |
markom |
/* Support for printing Pascal values for GDB, the GNU debugger.
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Copyright 2000
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* This file is derived from c-valprint.c */
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#include "defs.h"
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#include "obstack.h"
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#include "symtab.h"
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26 |
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#include "gdbtypes.h"
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27 |
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#include "expression.h"
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#include "value.h"
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29 |
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#include "command.h"
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#include "gdbcmd.h"
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31 |
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#include "gdbcore.h"
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#include "demangle.h"
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33 |
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#include "valprint.h"
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34 |
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#include "typeprint.h"
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35 |
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#include "language.h"
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36 |
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#include "target.h"
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37 |
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#include "annotate.h"
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38 |
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#include "p-lang.h"
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39 |
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40 |
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41 |
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42 |
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43 |
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/* Print data of type TYPE located at VALADDR (within GDB), which came from
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the inferior at address ADDRESS, onto stdio stream STREAM according to
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FORMAT (a letter or 0 for natural format). The data at VALADDR is in
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46 |
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target byte order.
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47 |
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48 |
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If the data are a string pointer, returns the number of string characters
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49 |
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printed.
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50 |
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51 |
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If DEREF_REF is nonzero, then dereference references, otherwise just print
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52 |
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them like pointers.
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53 |
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54 |
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The PRETTY parameter controls prettyprinting. */
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55 |
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56 |
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57 |
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int
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pascal_val_print (struct type *type, char *valaddr, int embedded_offset,
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59 |
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CORE_ADDR address, struct ui_file *stream, int format,
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int deref_ref, int recurse, enum val_prettyprint pretty)
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{
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register unsigned int i = 0; /* Number of characters printed */
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63 |
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unsigned len;
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struct type *elttype;
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unsigned eltlen;
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LONGEST val;
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CORE_ADDR addr;
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CHECK_TYPEDEF (type);
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switch (TYPE_CODE (type))
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71 |
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{
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72 |
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case TYPE_CODE_ARRAY:
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if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
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74 |
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{
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75 |
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elttype = check_typedef (TYPE_TARGET_TYPE (type));
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eltlen = TYPE_LENGTH (elttype);
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len = TYPE_LENGTH (type) / eltlen;
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if (prettyprint_arrays)
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{
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print_spaces_filtered (2 + 2 * recurse, stream);
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}
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/* For an array of chars, print with string syntax. */
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if (eltlen == 1 &&
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((TYPE_CODE (elttype) == TYPE_CODE_INT)
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|| ((current_language->la_language == language_m2)
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&& (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
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&& (format == 0 || format == 's'))
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{
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89 |
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/* If requested, look for the first null char and only print
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elements up to it. */
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if (stop_print_at_null)
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{
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unsigned int temp_len;
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/* Look for a NULL char. */
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for (temp_len = 0;
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(valaddr + embedded_offset)[temp_len]
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&& temp_len < len && temp_len < print_max;
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temp_len++);
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len = temp_len;
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}
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LA_PRINT_STRING (stream, valaddr + embedded_offset, len, 1, 0);
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i = len;
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}
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else
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{
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fprintf_filtered (stream, "{");
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/* If this is a virtual function table, print the 0th
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entry specially, and the rest of the members normally. */
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if (pascal_object_is_vtbl_ptr_type (elttype))
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{
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i = 1;
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fprintf_filtered (stream, "%d vtable entries", len - 1);
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}
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else
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{
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i = 0;
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}
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val_print_array_elements (type, valaddr + embedded_offset, address, stream,
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format, deref_ref, recurse, pretty, i);
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fprintf_filtered (stream, "}");
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}
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break;
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}
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/* Array of unspecified length: treat like pointer to first elt. */
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addr = address;
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goto print_unpacked_pointer;
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129 |
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130 |
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case TYPE_CODE_PTR:
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if (format && format != 's')
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{
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print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
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break;
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}
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if (vtblprint && pascal_object_is_vtbl_ptr_type (type))
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{
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/* Print the unmangled name if desired. */
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/* Print vtable entry - we only get here if we ARE using
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-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
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print_address_demangle (extract_address (valaddr + embedded_offset, TYPE_LENGTH (type)),
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stream, demangle);
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break;
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144 |
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}
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145 |
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elttype = check_typedef (TYPE_TARGET_TYPE (type));
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146 |
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if (TYPE_CODE (elttype) == TYPE_CODE_METHOD)
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{
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148 |
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pascal_object_print_class_method (valaddr + embedded_offset, type, stream);
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149 |
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}
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150 |
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else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
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{
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152 |
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pascal_object_print_class_member (valaddr + embedded_offset,
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TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
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stream, "&");
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155 |
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}
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156 |
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else
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157 |
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{
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158 |
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addr = unpack_pointer (type, valaddr + embedded_offset);
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print_unpacked_pointer:
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160 |
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elttype = check_typedef (TYPE_TARGET_TYPE (type));
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161 |
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162 |
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if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
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{
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164 |
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/* Try to print what function it points to. */
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print_address_demangle (addr, stream, demangle);
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/* Return value is irrelevant except for string pointers. */
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return (0);
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}
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169 |
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170 |
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if (addressprint && format != 's')
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{
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print_address_numeric (addr, 1, stream);
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}
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174 |
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175 |
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/* For a pointer to char or unsigned char, also print the string
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pointed to, unless pointer is null. */
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177 |
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if (TYPE_LENGTH (elttype) == 1
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&& TYPE_CODE (elttype) == TYPE_CODE_INT
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&& (format == 0 || format == 's')
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&& addr != 0)
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181 |
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{
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182 |
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/* no wide string yet */
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i = val_print_string (addr, -1, 1, stream);
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}
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185 |
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/* also for pointers to pascal strings */
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/* Note: this is Free Pascal specific:
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as GDB does not recognize stabs pascal strings
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Pascal strings are mapped to records
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189 |
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with lowercase names PM */
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190 |
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/* I don't know what GPC does :( PM */
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if (TYPE_CODE (elttype) == TYPE_CODE_STRUCT &&
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TYPE_NFIELDS (elttype) == 2 &&
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strcmp (TYPE_FIELDS (elttype)[0].name, "length") == 0 &&
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strcmp (TYPE_FIELDS (elttype)[1].name, "st") == 0 &&
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195 |
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addr != 0)
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196 |
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{
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197 |
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char bytelength;
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198 |
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read_memory (addr, &bytelength, 1);
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199 |
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i = val_print_string (addr + 1, bytelength, 1, stream);
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200 |
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}
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201 |
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else if (pascal_object_is_vtbl_member (type))
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{
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203 |
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/* print vtbl's nicely */
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204 |
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CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset);
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205 |
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206 |
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struct minimal_symbol *msymbol =
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207 |
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lookup_minimal_symbol_by_pc (vt_address);
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208 |
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if ((msymbol != NULL) &&
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209 |
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(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
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210 |
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{
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211 |
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fputs_filtered (" <", stream);
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212 |
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fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
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213 |
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fputs_filtered (">", stream);
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214 |
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}
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215 |
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if (vt_address && vtblprint)
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216 |
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{
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217 |
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value_ptr vt_val;
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218 |
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struct symbol *wsym = (struct symbol *) NULL;
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219 |
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struct type *wtype;
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220 |
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struct symtab *s;
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221 |
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struct block *block = (struct block *) NULL;
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222 |
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int is_this_fld;
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223 |
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224 |
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if (msymbol != NULL)
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225 |
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wsym = lookup_symbol (SYMBOL_NAME (msymbol), block,
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226 |
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VAR_NAMESPACE, &is_this_fld, &s);
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227 |
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228 |
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if (wsym)
|
229 |
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{
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230 |
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wtype = SYMBOL_TYPE (wsym);
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231 |
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}
|
232 |
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else
|
233 |
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{
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234 |
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wtype = TYPE_TARGET_TYPE (type);
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235 |
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}
|
236 |
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vt_val = value_at (wtype, vt_address, NULL);
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237 |
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val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val), 0,
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238 |
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VALUE_ADDRESS (vt_val), stream, format,
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239 |
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deref_ref, recurse + 1, pretty);
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240 |
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if (pretty)
|
241 |
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{
|
242 |
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fprintf_filtered (stream, "\n");
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243 |
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print_spaces_filtered (2 + 2 * recurse, stream);
|
244 |
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}
|
245 |
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}
|
246 |
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}
|
247 |
|
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|
248 |
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/* Return number of characters printed, including the terminating
|
249 |
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'\0' if we reached the end. val_print_string takes care including
|
250 |
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the terminating '\0' if necessary. */
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251 |
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return i;
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252 |
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}
|
253 |
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break;
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254 |
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|
255 |
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case TYPE_CODE_MEMBER:
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256 |
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error ("not implemented: member type in pascal_val_print");
|
257 |
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break;
|
258 |
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|
259 |
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case TYPE_CODE_REF:
|
260 |
|
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elttype = check_typedef (TYPE_TARGET_TYPE (type));
|
261 |
|
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if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
|
262 |
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{
|
263 |
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pascal_object_print_class_member (valaddr + embedded_offset,
|
264 |
|
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TYPE_DOMAIN_TYPE (elttype),
|
265 |
|
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stream, "");
|
266 |
|
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break;
|
267 |
|
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}
|
268 |
|
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if (addressprint)
|
269 |
|
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{
|
270 |
|
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fprintf_filtered (stream, "@");
|
271 |
|
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print_address_numeric
|
272 |
|
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(extract_address (valaddr + embedded_offset,
|
273 |
|
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TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
|
274 |
|
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if (deref_ref)
|
275 |
|
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fputs_filtered (": ", stream);
|
276 |
|
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}
|
277 |
|
|
/* De-reference the reference. */
|
278 |
|
|
if (deref_ref)
|
279 |
|
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{
|
280 |
|
|
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
|
281 |
|
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{
|
282 |
|
|
value_ptr deref_val =
|
283 |
|
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value_at
|
284 |
|
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(TYPE_TARGET_TYPE (type),
|
285 |
|
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unpack_pointer (lookup_pointer_type (builtin_type_void),
|
286 |
|
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valaddr + embedded_offset),
|
287 |
|
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NULL);
|
288 |
|
|
val_print (VALUE_TYPE (deref_val),
|
289 |
|
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VALUE_CONTENTS (deref_val), 0,
|
290 |
|
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VALUE_ADDRESS (deref_val), stream, format,
|
291 |
|
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deref_ref, recurse + 1, pretty);
|
292 |
|
|
}
|
293 |
|
|
else
|
294 |
|
|
fputs_filtered ("???", stream);
|
295 |
|
|
}
|
296 |
|
|
break;
|
297 |
|
|
|
298 |
|
|
case TYPE_CODE_UNION:
|
299 |
|
|
if (recurse && !unionprint)
|
300 |
|
|
{
|
301 |
|
|
fprintf_filtered (stream, "{...}");
|
302 |
|
|
break;
|
303 |
|
|
}
|
304 |
|
|
/* Fall through. */
|
305 |
|
|
case TYPE_CODE_STRUCT:
|
306 |
|
|
if (vtblprint && pascal_object_is_vtbl_ptr_type (type))
|
307 |
|
|
{
|
308 |
|
|
/* Print the unmangled name if desired. */
|
309 |
|
|
/* Print vtable entry - we only get here if NOT using
|
310 |
|
|
-fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
|
311 |
|
|
print_address_demangle (extract_address (
|
312 |
|
|
valaddr + embedded_offset + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
|
313 |
|
|
TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET))),
|
314 |
|
|
stream, demangle);
|
315 |
|
|
}
|
316 |
|
|
else
|
317 |
|
|
{
|
318 |
|
|
if ((TYPE_NFIELDS (type) == 2) &&
|
319 |
|
|
(strcmp (TYPE_FIELDS (type)[0].name, "length") == 0) &&
|
320 |
|
|
(strcmp (TYPE_FIELDS (type)[1].name, "st") == 0))
|
321 |
|
|
{
|
322 |
|
|
len = (*(valaddr + embedded_offset)) & 0xff;
|
323 |
|
|
LA_PRINT_STRING (stream, valaddr + embedded_offset + 1, len, /* width ?? */ 0, 0);
|
324 |
|
|
}
|
325 |
|
|
else
|
326 |
|
|
pascal_object_print_value_fields (type, valaddr + embedded_offset, address, stream, format,
|
327 |
|
|
recurse, pretty, NULL, 0);
|
328 |
|
|
}
|
329 |
|
|
break;
|
330 |
|
|
|
331 |
|
|
case TYPE_CODE_ENUM:
|
332 |
|
|
if (format)
|
333 |
|
|
{
|
334 |
|
|
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
|
335 |
|
|
break;
|
336 |
|
|
}
|
337 |
|
|
len = TYPE_NFIELDS (type);
|
338 |
|
|
val = unpack_long (type, valaddr + embedded_offset);
|
339 |
|
|
for (i = 0; i < len; i++)
|
340 |
|
|
{
|
341 |
|
|
QUIT;
|
342 |
|
|
if (val == TYPE_FIELD_BITPOS (type, i))
|
343 |
|
|
{
|
344 |
|
|
break;
|
345 |
|
|
}
|
346 |
|
|
}
|
347 |
|
|
if (i < len)
|
348 |
|
|
{
|
349 |
|
|
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
|
350 |
|
|
}
|
351 |
|
|
else
|
352 |
|
|
{
|
353 |
|
|
print_longest (stream, 'd', 0, val);
|
354 |
|
|
}
|
355 |
|
|
break;
|
356 |
|
|
|
357 |
|
|
case TYPE_CODE_FUNC:
|
358 |
|
|
if (format)
|
359 |
|
|
{
|
360 |
|
|
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
|
361 |
|
|
break;
|
362 |
|
|
}
|
363 |
|
|
/* FIXME, we should consider, at least for ANSI C language, eliminating
|
364 |
|
|
the distinction made between FUNCs and POINTERs to FUNCs. */
|
365 |
|
|
fprintf_filtered (stream, "{");
|
366 |
|
|
type_print (type, "", stream, -1);
|
367 |
|
|
fprintf_filtered (stream, "} ");
|
368 |
|
|
/* Try to print what function it points to, and its address. */
|
369 |
|
|
print_address_demangle (address, stream, demangle);
|
370 |
|
|
break;
|
371 |
|
|
|
372 |
|
|
case TYPE_CODE_BOOL:
|
373 |
|
|
format = format ? format : output_format;
|
374 |
|
|
if (format)
|
375 |
|
|
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
|
376 |
|
|
else
|
377 |
|
|
{
|
378 |
|
|
val = unpack_long (type, valaddr + embedded_offset);
|
379 |
|
|
if (val == 0)
|
380 |
|
|
fputs_filtered ("false", stream);
|
381 |
|
|
else if (val == 1)
|
382 |
|
|
fputs_filtered ("true", stream);
|
383 |
|
|
else
|
384 |
|
|
{
|
385 |
|
|
fputs_filtered ("true (", stream);
|
386 |
|
|
fprintf_filtered (stream, "%ld)", (long int) val);
|
387 |
|
|
}
|
388 |
|
|
}
|
389 |
|
|
break;
|
390 |
|
|
|
391 |
|
|
case TYPE_CODE_RANGE:
|
392 |
|
|
/* FIXME: create_range_type does not set the unsigned bit in a
|
393 |
|
|
range type (I think it probably should copy it from the target
|
394 |
|
|
type), so we won't print values which are too large to
|
395 |
|
|
fit in a signed integer correctly. */
|
396 |
|
|
/* FIXME: Doesn't handle ranges of enums correctly. (Can't just
|
397 |
|
|
print with the target type, though, because the size of our type
|
398 |
|
|
and the target type might differ). */
|
399 |
|
|
/* FALLTHROUGH */
|
400 |
|
|
|
401 |
|
|
case TYPE_CODE_INT:
|
402 |
|
|
format = format ? format : output_format;
|
403 |
|
|
if (format)
|
404 |
|
|
{
|
405 |
|
|
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
|
406 |
|
|
}
|
407 |
|
|
else
|
408 |
|
|
{
|
409 |
|
|
val_print_type_code_int (type, valaddr + embedded_offset, stream);
|
410 |
|
|
}
|
411 |
|
|
break;
|
412 |
|
|
|
413 |
|
|
case TYPE_CODE_CHAR:
|
414 |
|
|
format = format ? format : output_format;
|
415 |
|
|
if (format)
|
416 |
|
|
{
|
417 |
|
|
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
|
418 |
|
|
}
|
419 |
|
|
else
|
420 |
|
|
{
|
421 |
|
|
val = unpack_long (type, valaddr + embedded_offset);
|
422 |
|
|
if (TYPE_UNSIGNED (type))
|
423 |
|
|
fprintf_filtered (stream, "%u", (unsigned int) val);
|
424 |
|
|
else
|
425 |
|
|
fprintf_filtered (stream, "%d", (int) val);
|
426 |
|
|
fputs_filtered (" ", stream);
|
427 |
|
|
LA_PRINT_CHAR ((unsigned char) val, stream);
|
428 |
|
|
}
|
429 |
|
|
break;
|
430 |
|
|
|
431 |
|
|
case TYPE_CODE_FLT:
|
432 |
|
|
if (format)
|
433 |
|
|
{
|
434 |
|
|
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
|
435 |
|
|
}
|
436 |
|
|
else
|
437 |
|
|
{
|
438 |
|
|
print_floating (valaddr + embedded_offset, type, stream);
|
439 |
|
|
}
|
440 |
|
|
break;
|
441 |
|
|
|
442 |
|
|
case TYPE_CODE_BITSTRING:
|
443 |
|
|
case TYPE_CODE_SET:
|
444 |
|
|
elttype = TYPE_INDEX_TYPE (type);
|
445 |
|
|
CHECK_TYPEDEF (elttype);
|
446 |
|
|
if (TYPE_FLAGS (elttype) & TYPE_FLAG_STUB)
|
447 |
|
|
{
|
448 |
|
|
fprintf_filtered (stream, "<incomplete type>");
|
449 |
|
|
gdb_flush (stream);
|
450 |
|
|
break;
|
451 |
|
|
}
|
452 |
|
|
else
|
453 |
|
|
{
|
454 |
|
|
struct type *range = elttype;
|
455 |
|
|
LONGEST low_bound, high_bound;
|
456 |
|
|
int i;
|
457 |
|
|
int is_bitstring = TYPE_CODE (type) == TYPE_CODE_BITSTRING;
|
458 |
|
|
int need_comma = 0;
|
459 |
|
|
|
460 |
|
|
if (is_bitstring)
|
461 |
|
|
fputs_filtered ("B'", stream);
|
462 |
|
|
else
|
463 |
|
|
fputs_filtered ("[", stream);
|
464 |
|
|
|
465 |
|
|
i = get_discrete_bounds (range, &low_bound, &high_bound);
|
466 |
|
|
maybe_bad_bstring:
|
467 |
|
|
if (i < 0)
|
468 |
|
|
{
|
469 |
|
|
fputs_filtered ("<error value>", stream);
|
470 |
|
|
goto done;
|
471 |
|
|
}
|
472 |
|
|
|
473 |
|
|
for (i = low_bound; i <= high_bound; i++)
|
474 |
|
|
{
|
475 |
|
|
int element = value_bit_index (type, valaddr + embedded_offset, i);
|
476 |
|
|
if (element < 0)
|
477 |
|
|
{
|
478 |
|
|
i = element;
|
479 |
|
|
goto maybe_bad_bstring;
|
480 |
|
|
}
|
481 |
|
|
if (is_bitstring)
|
482 |
|
|
fprintf_filtered (stream, "%d", element);
|
483 |
|
|
else if (element)
|
484 |
|
|
{
|
485 |
|
|
if (need_comma)
|
486 |
|
|
fputs_filtered (", ", stream);
|
487 |
|
|
print_type_scalar (range, i, stream);
|
488 |
|
|
need_comma = 1;
|
489 |
|
|
|
490 |
|
|
if (i + 1 <= high_bound && value_bit_index (type, valaddr + embedded_offset, ++i))
|
491 |
|
|
{
|
492 |
|
|
int j = i;
|
493 |
|
|
fputs_filtered ("..", stream);
|
494 |
|
|
while (i + 1 <= high_bound
|
495 |
|
|
&& value_bit_index (type, valaddr + embedded_offset, ++i))
|
496 |
|
|
j = i;
|
497 |
|
|
print_type_scalar (range, j, stream);
|
498 |
|
|
}
|
499 |
|
|
}
|
500 |
|
|
}
|
501 |
|
|
done:
|
502 |
|
|
if (is_bitstring)
|
503 |
|
|
fputs_filtered ("'", stream);
|
504 |
|
|
else
|
505 |
|
|
fputs_filtered ("]", stream);
|
506 |
|
|
}
|
507 |
|
|
break;
|
508 |
|
|
|
509 |
|
|
case TYPE_CODE_VOID:
|
510 |
|
|
fprintf_filtered (stream, "void");
|
511 |
|
|
break;
|
512 |
|
|
|
513 |
|
|
case TYPE_CODE_ERROR:
|
514 |
|
|
fprintf_filtered (stream, "<error type>");
|
515 |
|
|
break;
|
516 |
|
|
|
517 |
|
|
case TYPE_CODE_UNDEF:
|
518 |
|
|
/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
|
519 |
|
|
dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
|
520 |
|
|
and no complete type for struct foo in that file. */
|
521 |
|
|
fprintf_filtered (stream, "<incomplete type>");
|
522 |
|
|
break;
|
523 |
|
|
|
524 |
|
|
default:
|
525 |
|
|
error ("Invalid pascal type code %d in symbol table.", TYPE_CODE (type));
|
526 |
|
|
}
|
527 |
|
|
gdb_flush (stream);
|
528 |
|
|
return (0);
|
529 |
|
|
}
|
530 |
|
|
|
531 |
|
|
int
|
532 |
|
|
pascal_value_print (value_ptr val, struct ui_file *stream, int format,
|
533 |
|
|
enum val_prettyprint pretty)
|
534 |
|
|
{
|
535 |
|
|
struct type *type = VALUE_TYPE (val);
|
536 |
|
|
|
537 |
|
|
/* If it is a pointer, indicate what it points to.
|
538 |
|
|
|
539 |
|
|
Print type also if it is a reference.
|
540 |
|
|
|
541 |
|
|
Object pascal: if it is a member pointer, we will take care
|
542 |
|
|
of that when we print it. */
|
543 |
|
|
if (TYPE_CODE (type) == TYPE_CODE_PTR ||
|
544 |
|
|
TYPE_CODE (type) == TYPE_CODE_REF)
|
545 |
|
|
{
|
546 |
|
|
/* Hack: remove (char *) for char strings. Their
|
547 |
|
|
type is indicated by the quoted string anyway. */
|
548 |
|
|
if (TYPE_CODE (type) == TYPE_CODE_PTR &&
|
549 |
|
|
TYPE_NAME (type) == NULL &&
|
550 |
|
|
TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL &&
|
551 |
|
|
STREQ (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char"))
|
552 |
|
|
{
|
553 |
|
|
/* Print nothing */
|
554 |
|
|
}
|
555 |
|
|
else
|
556 |
|
|
{
|
557 |
|
|
fprintf_filtered (stream, "(");
|
558 |
|
|
type_print (type, "", stream, -1);
|
559 |
|
|
fprintf_filtered (stream, ") ");
|
560 |
|
|
}
|
561 |
|
|
}
|
562 |
|
|
return val_print (type, VALUE_CONTENTS (val), VALUE_EMBEDDED_OFFSET (val),
|
563 |
|
|
VALUE_ADDRESS (val) + VALUE_OFFSET (val),
|
564 |
|
|
stream, format, 1, 0, pretty);
|
565 |
|
|
}
|
566 |
|
|
|
567 |
|
|
|
568 |
|
|
/******************************************************************************
|
569 |
|
|
Inserted from cp-valprint
|
570 |
|
|
******************************************************************************/
|
571 |
|
|
|
572 |
|
|
extern int vtblprint; /* Controls printing of vtbl's */
|
573 |
|
|
extern int objectprint; /* Controls looking up an object's derived type
|
574 |
|
|
using what we find in its vtables. */
|
575 |
|
|
static int pascal_static_field_print; /* Controls printing of static fields. */
|
576 |
|
|
|
577 |
|
|
static struct obstack dont_print_vb_obstack;
|
578 |
|
|
static struct obstack dont_print_statmem_obstack;
|
579 |
|
|
|
580 |
|
|
static void
|
581 |
|
|
pascal_object_print_static_field (struct type *, value_ptr, struct ui_file *, int, int,
|
582 |
|
|
enum val_prettyprint);
|
583 |
|
|
|
584 |
|
|
static void
|
585 |
|
|
pascal_object_print_value (struct type *, char *, CORE_ADDR, struct ui_file *,
|
586 |
|
|
int, int, enum val_prettyprint, struct type **);
|
587 |
|
|
|
588 |
|
|
void
|
589 |
|
|
pascal_object_print_class_method (char *valaddr, struct type *type,
|
590 |
|
|
struct ui_file *stream)
|
591 |
|
|
{
|
592 |
|
|
struct type *domain;
|
593 |
|
|
struct fn_field *f = NULL;
|
594 |
|
|
int j = 0;
|
595 |
|
|
int len2;
|
596 |
|
|
int offset;
|
597 |
|
|
char *kind = "";
|
598 |
|
|
CORE_ADDR addr;
|
599 |
|
|
struct symbol *sym;
|
600 |
|
|
unsigned len;
|
601 |
|
|
unsigned int i;
|
602 |
|
|
struct type *target_type = check_typedef (TYPE_TARGET_TYPE (type));
|
603 |
|
|
|
604 |
|
|
domain = TYPE_DOMAIN_TYPE (target_type);
|
605 |
|
|
if (domain == (struct type *) NULL)
|
606 |
|
|
{
|
607 |
|
|
fprintf_filtered (stream, "<unknown>");
|
608 |
|
|
return;
|
609 |
|
|
}
|
610 |
|
|
addr = unpack_pointer (lookup_pointer_type (builtin_type_void), valaddr);
|
611 |
|
|
if (METHOD_PTR_IS_VIRTUAL (addr))
|
612 |
|
|
{
|
613 |
|
|
offset = METHOD_PTR_TO_VOFFSET (addr);
|
614 |
|
|
len = TYPE_NFN_FIELDS (domain);
|
615 |
|
|
for (i = 0; i < len; i++)
|
616 |
|
|
{
|
617 |
|
|
f = TYPE_FN_FIELDLIST1 (domain, i);
|
618 |
|
|
len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
|
619 |
|
|
|
620 |
|
|
for (j = 0; j < len2; j++)
|
621 |
|
|
{
|
622 |
|
|
QUIT;
|
623 |
|
|
if (TYPE_FN_FIELD_VOFFSET (f, j) == offset)
|
624 |
|
|
{
|
625 |
|
|
if (TYPE_FN_FIELD_STUB (f, j))
|
626 |
|
|
check_stub_method (domain, i, j);
|
627 |
|
|
kind = "virtual ";
|
628 |
|
|
goto common;
|
629 |
|
|
}
|
630 |
|
|
}
|
631 |
|
|
}
|
632 |
|
|
}
|
633 |
|
|
else
|
634 |
|
|
{
|
635 |
|
|
sym = find_pc_function (addr);
|
636 |
|
|
if (sym == 0)
|
637 |
|
|
{
|
638 |
|
|
error ("invalid pointer to member function");
|
639 |
|
|
}
|
640 |
|
|
len = TYPE_NFN_FIELDS (domain);
|
641 |
|
|
for (i = 0; i < len; i++)
|
642 |
|
|
{
|
643 |
|
|
f = TYPE_FN_FIELDLIST1 (domain, i);
|
644 |
|
|
len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
|
645 |
|
|
|
646 |
|
|
for (j = 0; j < len2; j++)
|
647 |
|
|
{
|
648 |
|
|
QUIT;
|
649 |
|
|
if (TYPE_FN_FIELD_STUB (f, j))
|
650 |
|
|
check_stub_method (domain, i, j);
|
651 |
|
|
if (STREQ (SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j)))
|
652 |
|
|
{
|
653 |
|
|
goto common;
|
654 |
|
|
}
|
655 |
|
|
}
|
656 |
|
|
}
|
657 |
|
|
}
|
658 |
|
|
common:
|
659 |
|
|
if (i < len)
|
660 |
|
|
{
|
661 |
|
|
char *demangled_name;
|
662 |
|
|
|
663 |
|
|
fprintf_filtered (stream, "&");
|
664 |
|
|
fprintf_filtered (stream, kind);
|
665 |
|
|
demangled_name = cplus_demangle (TYPE_FN_FIELD_PHYSNAME (f, j),
|
666 |
|
|
DMGL_ANSI | DMGL_PARAMS);
|
667 |
|
|
if (demangled_name == NULL)
|
668 |
|
|
fprintf_filtered (stream, "<badly mangled name %s>",
|
669 |
|
|
TYPE_FN_FIELD_PHYSNAME (f, j));
|
670 |
|
|
else
|
671 |
|
|
{
|
672 |
|
|
fputs_filtered (demangled_name, stream);
|
673 |
|
|
xfree (demangled_name);
|
674 |
|
|
}
|
675 |
|
|
}
|
676 |
|
|
else
|
677 |
|
|
{
|
678 |
|
|
fprintf_filtered (stream, "(");
|
679 |
|
|
type_print (type, "", stream, -1);
|
680 |
|
|
fprintf_filtered (stream, ") %d", (int) addr >> 3);
|
681 |
|
|
}
|
682 |
|
|
}
|
683 |
|
|
|
684 |
|
|
/* It was changed to this after 2.4.5. */
|
685 |
|
|
const char pascal_vtbl_ptr_name[] =
|
686 |
|
|
{'_', '_', 'v', 't', 'b', 'l', '_', 'p', 't', 'r', '_', 't', 'y', 'p', 'e', 0};
|
687 |
|
|
|
688 |
|
|
/* Return truth value for assertion that TYPE is of the type
|
689 |
|
|
"pointer to virtual function". */
|
690 |
|
|
|
691 |
|
|
int
|
692 |
|
|
pascal_object_is_vtbl_ptr_type (struct type *type)
|
693 |
|
|
{
|
694 |
|
|
char *typename = type_name_no_tag (type);
|
695 |
|
|
|
696 |
|
|
return (typename != NULL
|
697 |
|
|
&& (STREQ (typename, pascal_vtbl_ptr_name)));
|
698 |
|
|
}
|
699 |
|
|
|
700 |
|
|
/* Return truth value for the assertion that TYPE is of the type
|
701 |
|
|
"pointer to virtual function table". */
|
702 |
|
|
|
703 |
|
|
int
|
704 |
|
|
pascal_object_is_vtbl_member (struct type *type)
|
705 |
|
|
{
|
706 |
|
|
if (TYPE_CODE (type) == TYPE_CODE_PTR)
|
707 |
|
|
{
|
708 |
|
|
type = TYPE_TARGET_TYPE (type);
|
709 |
|
|
if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
|
710 |
|
|
{
|
711 |
|
|
type = TYPE_TARGET_TYPE (type);
|
712 |
|
|
if (TYPE_CODE (type) == TYPE_CODE_STRUCT /* if not using thunks */
|
713 |
|
|
|| TYPE_CODE (type) == TYPE_CODE_PTR) /* if using thunks */
|
714 |
|
|
{
|
715 |
|
|
/* Virtual functions tables are full of pointers
|
716 |
|
|
to virtual functions. */
|
717 |
|
|
return pascal_object_is_vtbl_ptr_type (type);
|
718 |
|
|
}
|
719 |
|
|
}
|
720 |
|
|
}
|
721 |
|
|
return 0;
|
722 |
|
|
}
|
723 |
|
|
|
724 |
|
|
/* Mutually recursive subroutines of pascal_object_print_value and c_val_print to
|
725 |
|
|
print out a structure's fields: pascal_object_print_value_fields and pascal_object_print_value.
|
726 |
|
|
|
727 |
|
|
TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the
|
728 |
|
|
same meanings as in pascal_object_print_value and c_val_print.
|
729 |
|
|
|
730 |
|
|
DONT_PRINT is an array of baseclass types that we
|
731 |
|
|
should not print, or zero if called from top level. */
|
732 |
|
|
|
733 |
|
|
void
|
734 |
|
|
pascal_object_print_value_fields (struct type *type, char *valaddr,
|
735 |
|
|
CORE_ADDR address, struct ui_file *stream,
|
736 |
|
|
int format, int recurse,
|
737 |
|
|
enum val_prettyprint pretty,
|
738 |
|
|
struct type **dont_print_vb,
|
739 |
|
|
int dont_print_statmem)
|
740 |
|
|
{
|
741 |
|
|
int i, len, n_baseclasses;
|
742 |
|
|
struct obstack tmp_obstack;
|
743 |
|
|
char *last_dont_print = obstack_next_free (&dont_print_statmem_obstack);
|
744 |
|
|
|
745 |
|
|
CHECK_TYPEDEF (type);
|
746 |
|
|
|
747 |
|
|
fprintf_filtered (stream, "{");
|
748 |
|
|
len = TYPE_NFIELDS (type);
|
749 |
|
|
n_baseclasses = TYPE_N_BASECLASSES (type);
|
750 |
|
|
|
751 |
|
|
/* Print out baseclasses such that we don't print
|
752 |
|
|
duplicates of virtual baseclasses. */
|
753 |
|
|
if (n_baseclasses > 0)
|
754 |
|
|
pascal_object_print_value (type, valaddr, address, stream,
|
755 |
|
|
format, recurse + 1, pretty, dont_print_vb);
|
756 |
|
|
|
757 |
|
|
if (!len && n_baseclasses == 1)
|
758 |
|
|
fprintf_filtered (stream, "<No data fields>");
|
759 |
|
|
else
|
760 |
|
|
{
|
761 |
|
|
extern int inspect_it;
|
762 |
|
|
int fields_seen = 0;
|
763 |
|
|
|
764 |
|
|
if (dont_print_statmem == 0)
|
765 |
|
|
{
|
766 |
|
|
/* If we're at top level, carve out a completely fresh
|
767 |
|
|
chunk of the obstack and use that until this particular
|
768 |
|
|
invocation returns. */
|
769 |
|
|
tmp_obstack = dont_print_statmem_obstack;
|
770 |
|
|
obstack_finish (&dont_print_statmem_obstack);
|
771 |
|
|
}
|
772 |
|
|
|
773 |
|
|
for (i = n_baseclasses; i < len; i++)
|
774 |
|
|
{
|
775 |
|
|
/* If requested, skip printing of static fields. */
|
776 |
|
|
if (!pascal_static_field_print && TYPE_FIELD_STATIC (type, i))
|
777 |
|
|
continue;
|
778 |
|
|
if (fields_seen)
|
779 |
|
|
fprintf_filtered (stream, ", ");
|
780 |
|
|
else if (n_baseclasses > 0)
|
781 |
|
|
{
|
782 |
|
|
if (pretty)
|
783 |
|
|
{
|
784 |
|
|
fprintf_filtered (stream, "\n");
|
785 |
|
|
print_spaces_filtered (2 + 2 * recurse, stream);
|
786 |
|
|
fputs_filtered ("members of ", stream);
|
787 |
|
|
fputs_filtered (type_name_no_tag (type), stream);
|
788 |
|
|
fputs_filtered (": ", stream);
|
789 |
|
|
}
|
790 |
|
|
}
|
791 |
|
|
fields_seen = 1;
|
792 |
|
|
|
793 |
|
|
if (pretty)
|
794 |
|
|
{
|
795 |
|
|
fprintf_filtered (stream, "\n");
|
796 |
|
|
print_spaces_filtered (2 + 2 * recurse, stream);
|
797 |
|
|
}
|
798 |
|
|
else
|
799 |
|
|
{
|
800 |
|
|
wrap_here (n_spaces (2 + 2 * recurse));
|
801 |
|
|
}
|
802 |
|
|
if (inspect_it)
|
803 |
|
|
{
|
804 |
|
|
if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
|
805 |
|
|
fputs_filtered ("\"( ptr \"", stream);
|
806 |
|
|
else
|
807 |
|
|
fputs_filtered ("\"( nodef \"", stream);
|
808 |
|
|
if (TYPE_FIELD_STATIC (type, i))
|
809 |
|
|
fputs_filtered ("static ", stream);
|
810 |
|
|
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
|
811 |
|
|
language_cplus,
|
812 |
|
|
DMGL_PARAMS | DMGL_ANSI);
|
813 |
|
|
fputs_filtered ("\" \"", stream);
|
814 |
|
|
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
|
815 |
|
|
language_cplus,
|
816 |
|
|
DMGL_PARAMS | DMGL_ANSI);
|
817 |
|
|
fputs_filtered ("\") \"", stream);
|
818 |
|
|
}
|
819 |
|
|
else
|
820 |
|
|
{
|
821 |
|
|
annotate_field_begin (TYPE_FIELD_TYPE (type, i));
|
822 |
|
|
|
823 |
|
|
if (TYPE_FIELD_STATIC (type, i))
|
824 |
|
|
fputs_filtered ("static ", stream);
|
825 |
|
|
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
|
826 |
|
|
language_cplus,
|
827 |
|
|
DMGL_PARAMS | DMGL_ANSI);
|
828 |
|
|
annotate_field_name_end ();
|
829 |
|
|
fputs_filtered (" = ", stream);
|
830 |
|
|
annotate_field_value ();
|
831 |
|
|
}
|
832 |
|
|
|
833 |
|
|
if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
|
834 |
|
|
{
|
835 |
|
|
value_ptr v;
|
836 |
|
|
|
837 |
|
|
/* Bitfields require special handling, especially due to byte
|
838 |
|
|
order problems. */
|
839 |
|
|
if (TYPE_FIELD_IGNORE (type, i))
|
840 |
|
|
{
|
841 |
|
|
fputs_filtered ("<optimized out or zero length>", stream);
|
842 |
|
|
}
|
843 |
|
|
else
|
844 |
|
|
{
|
845 |
|
|
v = value_from_longest (TYPE_FIELD_TYPE (type, i),
|
846 |
|
|
unpack_field_as_long (type, valaddr, i));
|
847 |
|
|
|
848 |
|
|
val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, 0,
|
849 |
|
|
stream, format, 0, recurse + 1, pretty);
|
850 |
|
|
}
|
851 |
|
|
}
|
852 |
|
|
else
|
853 |
|
|
{
|
854 |
|
|
if (TYPE_FIELD_IGNORE (type, i))
|
855 |
|
|
{
|
856 |
|
|
fputs_filtered ("<optimized out or zero length>", stream);
|
857 |
|
|
}
|
858 |
|
|
else if (TYPE_FIELD_STATIC (type, i))
|
859 |
|
|
{
|
860 |
|
|
/* value_ptr v = value_static_field (type, i); v4.17 specific */
|
861 |
|
|
value_ptr v;
|
862 |
|
|
v = value_from_longest (TYPE_FIELD_TYPE (type, i),
|
863 |
|
|
unpack_field_as_long (type, valaddr, i));
|
864 |
|
|
|
865 |
|
|
if (v == NULL)
|
866 |
|
|
fputs_filtered ("<optimized out>", stream);
|
867 |
|
|
else
|
868 |
|
|
pascal_object_print_static_field (TYPE_FIELD_TYPE (type, i), v,
|
869 |
|
|
stream, format, recurse + 1,
|
870 |
|
|
pretty);
|
871 |
|
|
}
|
872 |
|
|
else
|
873 |
|
|
{
|
874 |
|
|
/* val_print (TYPE_FIELD_TYPE (type, i),
|
875 |
|
|
valaddr + TYPE_FIELD_BITPOS (type, i) / 8,
|
876 |
|
|
address + TYPE_FIELD_BITPOS (type, i) / 8, 0,
|
877 |
|
|
stream, format, 0, recurse + 1, pretty); */
|
878 |
|
|
val_print (TYPE_FIELD_TYPE (type, i),
|
879 |
|
|
valaddr, TYPE_FIELD_BITPOS (type, i) / 8,
|
880 |
|
|
address + TYPE_FIELD_BITPOS (type, i) / 8,
|
881 |
|
|
stream, format, 0, recurse + 1, pretty);
|
882 |
|
|
}
|
883 |
|
|
}
|
884 |
|
|
annotate_field_end ();
|
885 |
|
|
}
|
886 |
|
|
|
887 |
|
|
if (dont_print_statmem == 0)
|
888 |
|
|
{
|
889 |
|
|
/* Free the space used to deal with the printing
|
890 |
|
|
of the members from top level. */
|
891 |
|
|
obstack_free (&dont_print_statmem_obstack, last_dont_print);
|
892 |
|
|
dont_print_statmem_obstack = tmp_obstack;
|
893 |
|
|
}
|
894 |
|
|
|
895 |
|
|
if (pretty)
|
896 |
|
|
{
|
897 |
|
|
fprintf_filtered (stream, "\n");
|
898 |
|
|
print_spaces_filtered (2 * recurse, stream);
|
899 |
|
|
}
|
900 |
|
|
}
|
901 |
|
|
fprintf_filtered (stream, "}");
|
902 |
|
|
}
|
903 |
|
|
|
904 |
|
|
/* Special val_print routine to avoid printing multiple copies of virtual
|
905 |
|
|
baseclasses. */
|
906 |
|
|
|
907 |
|
|
void
|
908 |
|
|
pascal_object_print_value (struct type *type, char *valaddr, CORE_ADDR address,
|
909 |
|
|
struct ui_file *stream, int format, int recurse,
|
910 |
|
|
enum val_prettyprint pretty,
|
911 |
|
|
struct type **dont_print_vb)
|
912 |
|
|
{
|
913 |
|
|
struct obstack tmp_obstack;
|
914 |
|
|
struct type **last_dont_print
|
915 |
|
|
= (struct type **) obstack_next_free (&dont_print_vb_obstack);
|
916 |
|
|
int i, n_baseclasses = TYPE_N_BASECLASSES (type);
|
917 |
|
|
|
918 |
|
|
if (dont_print_vb == 0)
|
919 |
|
|
{
|
920 |
|
|
/* If we're at top level, carve out a completely fresh
|
921 |
|
|
chunk of the obstack and use that until this particular
|
922 |
|
|
invocation returns. */
|
923 |
|
|
tmp_obstack = dont_print_vb_obstack;
|
924 |
|
|
/* Bump up the high-water mark. Now alpha is omega. */
|
925 |
|
|
obstack_finish (&dont_print_vb_obstack);
|
926 |
|
|
}
|
927 |
|
|
|
928 |
|
|
for (i = 0; i < n_baseclasses; i++)
|
929 |
|
|
{
|
930 |
|
|
int boffset;
|
931 |
|
|
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
|
932 |
|
|
char *basename = TYPE_NAME (baseclass);
|
933 |
|
|
char *base_valaddr;
|
934 |
|
|
|
935 |
|
|
if (BASETYPE_VIA_VIRTUAL (type, i))
|
936 |
|
|
{
|
937 |
|
|
struct type **first_dont_print
|
938 |
|
|
= (struct type **) obstack_base (&dont_print_vb_obstack);
|
939 |
|
|
|
940 |
|
|
int j = (struct type **) obstack_next_free (&dont_print_vb_obstack)
|
941 |
|
|
- first_dont_print;
|
942 |
|
|
|
943 |
|
|
while (--j >= 0)
|
944 |
|
|
if (baseclass == first_dont_print[j])
|
945 |
|
|
goto flush_it;
|
946 |
|
|
|
947 |
|
|
obstack_ptr_grow (&dont_print_vb_obstack, baseclass);
|
948 |
|
|
}
|
949 |
|
|
|
950 |
|
|
boffset = baseclass_offset (type, i, valaddr, address);
|
951 |
|
|
|
952 |
|
|
if (pretty)
|
953 |
|
|
{
|
954 |
|
|
fprintf_filtered (stream, "\n");
|
955 |
|
|
print_spaces_filtered (2 * recurse, stream);
|
956 |
|
|
}
|
957 |
|
|
fputs_filtered ("<", stream);
|
958 |
|
|
/* Not sure what the best notation is in the case where there is no
|
959 |
|
|
baseclass name. */
|
960 |
|
|
|
961 |
|
|
fputs_filtered (basename ? basename : "", stream);
|
962 |
|
|
fputs_filtered ("> = ", stream);
|
963 |
|
|
|
964 |
|
|
/* The virtual base class pointer might have been clobbered by the
|
965 |
|
|
user program. Make sure that it still points to a valid memory
|
966 |
|
|
location. */
|
967 |
|
|
|
968 |
|
|
if (boffset != -1 && (boffset < 0 || boffset >= TYPE_LENGTH (type)))
|
969 |
|
|
{
|
970 |
|
|
base_valaddr = (char *) alloca (TYPE_LENGTH (baseclass));
|
971 |
|
|
if (target_read_memory (address + boffset, base_valaddr,
|
972 |
|
|
TYPE_LENGTH (baseclass)) != 0)
|
973 |
|
|
boffset = -1;
|
974 |
|
|
}
|
975 |
|
|
else
|
976 |
|
|
base_valaddr = valaddr + boffset;
|
977 |
|
|
|
978 |
|
|
if (boffset == -1)
|
979 |
|
|
fprintf_filtered (stream, "<invalid address>");
|
980 |
|
|
else
|
981 |
|
|
pascal_object_print_value_fields (baseclass, base_valaddr, address + boffset,
|
982 |
|
|
stream, format, recurse, pretty,
|
983 |
|
|
(struct type **) obstack_base (&dont_print_vb_obstack),
|
984 |
|
|
0);
|
985 |
|
|
fputs_filtered (", ", stream);
|
986 |
|
|
|
987 |
|
|
flush_it:
|
988 |
|
|
;
|
989 |
|
|
}
|
990 |
|
|
|
991 |
|
|
if (dont_print_vb == 0)
|
992 |
|
|
{
|
993 |
|
|
/* Free the space used to deal with the printing
|
994 |
|
|
of this type from top level. */
|
995 |
|
|
obstack_free (&dont_print_vb_obstack, last_dont_print);
|
996 |
|
|
/* Reset watermark so that we can continue protecting
|
997 |
|
|
ourselves from whatever we were protecting ourselves. */
|
998 |
|
|
dont_print_vb_obstack = tmp_obstack;
|
999 |
|
|
}
|
1000 |
|
|
}
|
1001 |
|
|
|
1002 |
|
|
/* Print value of a static member.
|
1003 |
|
|
To avoid infinite recursion when printing a class that contains
|
1004 |
|
|
a static instance of the class, we keep the addresses of all printed
|
1005 |
|
|
static member classes in an obstack and refuse to print them more
|
1006 |
|
|
than once.
|
1007 |
|
|
|
1008 |
|
|
VAL contains the value to print, TYPE, STREAM, RECURSE, and PRETTY
|
1009 |
|
|
have the same meanings as in c_val_print. */
|
1010 |
|
|
|
1011 |
|
|
static void
|
1012 |
|
|
pascal_object_print_static_field (struct type *type, value_ptr val,
|
1013 |
|
|
struct ui_file *stream, int format,
|
1014 |
|
|
int recurse, enum val_prettyprint pretty)
|
1015 |
|
|
{
|
1016 |
|
|
if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
|
1017 |
|
|
{
|
1018 |
|
|
CORE_ADDR *first_dont_print;
|
1019 |
|
|
int i;
|
1020 |
|
|
|
1021 |
|
|
first_dont_print
|
1022 |
|
|
= (CORE_ADDR *) obstack_base (&dont_print_statmem_obstack);
|
1023 |
|
|
i = (CORE_ADDR *) obstack_next_free (&dont_print_statmem_obstack)
|
1024 |
|
|
- first_dont_print;
|
1025 |
|
|
|
1026 |
|
|
while (--i >= 0)
|
1027 |
|
|
{
|
1028 |
|
|
if (VALUE_ADDRESS (val) == first_dont_print[i])
|
1029 |
|
|
{
|
1030 |
|
|
fputs_filtered ("<same as static member of an already seen type>",
|
1031 |
|
|
stream);
|
1032 |
|
|
return;
|
1033 |
|
|
}
|
1034 |
|
|
}
|
1035 |
|
|
|
1036 |
|
|
obstack_grow (&dont_print_statmem_obstack, (char *) &VALUE_ADDRESS (val),
|
1037 |
|
|
sizeof (CORE_ADDR));
|
1038 |
|
|
|
1039 |
|
|
CHECK_TYPEDEF (type);
|
1040 |
|
|
pascal_object_print_value_fields (type, VALUE_CONTENTS (val), VALUE_ADDRESS (val),
|
1041 |
|
|
stream, format, recurse, pretty, NULL, 1);
|
1042 |
|
|
return;
|
1043 |
|
|
}
|
1044 |
|
|
val_print (type, VALUE_CONTENTS (val), 0, VALUE_ADDRESS (val),
|
1045 |
|
|
stream, format, 0, recurse, pretty);
|
1046 |
|
|
}
|
1047 |
|
|
|
1048 |
|
|
void
|
1049 |
|
|
pascal_object_print_class_member (char *valaddr, struct type *domain,
|
1050 |
|
|
struct ui_file *stream, char *prefix)
|
1051 |
|
|
{
|
1052 |
|
|
|
1053 |
|
|
/* VAL is a byte offset into the structure type DOMAIN.
|
1054 |
|
|
Find the name of the field for that offset and
|
1055 |
|
|
print it. */
|
1056 |
|
|
int extra = 0;
|
1057 |
|
|
int bits = 0;
|
1058 |
|
|
register unsigned int i;
|
1059 |
|
|
unsigned len = TYPE_NFIELDS (domain);
|
1060 |
|
|
/* @@ Make VAL into bit offset */
|
1061 |
|
|
LONGEST val = unpack_long (builtin_type_int, valaddr) << 3;
|
1062 |
|
|
for (i = TYPE_N_BASECLASSES (domain); i < len; i++)
|
1063 |
|
|
{
|
1064 |
|
|
int bitpos = TYPE_FIELD_BITPOS (domain, i);
|
1065 |
|
|
QUIT;
|
1066 |
|
|
if (val == bitpos)
|
1067 |
|
|
break;
|
1068 |
|
|
if (val < bitpos && i != 0)
|
1069 |
|
|
{
|
1070 |
|
|
/* Somehow pointing into a field. */
|
1071 |
|
|
i -= 1;
|
1072 |
|
|
extra = (val - TYPE_FIELD_BITPOS (domain, i));
|
1073 |
|
|
if (extra & 0x7)
|
1074 |
|
|
bits = 1;
|
1075 |
|
|
else
|
1076 |
|
|
extra >>= 3;
|
1077 |
|
|
break;
|
1078 |
|
|
}
|
1079 |
|
|
}
|
1080 |
|
|
if (i < len)
|
1081 |
|
|
{
|
1082 |
|
|
char *name;
|
1083 |
|
|
fprintf_filtered (stream, prefix);
|
1084 |
|
|
name = type_name_no_tag (domain);
|
1085 |
|
|
if (name)
|
1086 |
|
|
fputs_filtered (name, stream);
|
1087 |
|
|
else
|
1088 |
|
|
pascal_type_print_base (domain, stream, 0, 0);
|
1089 |
|
|
fprintf_filtered (stream, "::");
|
1090 |
|
|
fputs_filtered (TYPE_FIELD_NAME (domain, i), stream);
|
1091 |
|
|
if (extra)
|
1092 |
|
|
fprintf_filtered (stream, " + %d bytes", extra);
|
1093 |
|
|
if (bits)
|
1094 |
|
|
fprintf_filtered (stream, " (offset in bits)");
|
1095 |
|
|
}
|
1096 |
|
|
else
|
1097 |
|
|
fprintf_filtered (stream, "%ld", (long int) (val >> 3));
|
1098 |
|
|
}
|
1099 |
|
|
|
1100 |
|
|
|
1101 |
|
|
void
|
1102 |
|
|
_initialize_pascal_valprint (void)
|
1103 |
|
|
{
|
1104 |
|
|
add_show_from_set
|
1105 |
|
|
(add_set_cmd ("pascal_static-members", class_support, var_boolean,
|
1106 |
|
|
(char *) &pascal_static_field_print,
|
1107 |
|
|
"Set printing of pascal static members.",
|
1108 |
|
|
&setprintlist),
|
1109 |
|
|
&showprintlist);
|
1110 |
|
|
/* Turn on printing of static fields. */
|
1111 |
|
|
pascal_static_field_print = 1;
|
1112 |
|
|
|
1113 |
|
|
}
|