8ffd75c8a9
* cplus-dem.c: Move CPLUS_MARKER define to after defs.h.
* infptrace.c (PT_WRITE_D, PT_READ_D): Use correct values.
(This still doesn't seem to make MIPS bkpts work.)
* mipsread.c: Remove dup "Reading symbol data..." msg.
(symbol_file_command, add_file_command): Remove, obsol.
* printcmd.c (ptype_command): Say "an enum" rather than "a enum".
Wrap output appropriately.
* stack.c (locals_info, catch_info, args_info): Check
selected_frame rather than target_has_stack or coredumping.
* valprint.c (type_print_varspec_suffix): Wrap "ptype" output of
enums appropriately.
1999 lines
53 KiB
C
1999 lines
53 KiB
C
/* Print values for GNU debugger gdb.
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Copyright (C) 1986, 1988, 1989 Free Software Foundation, Inc.
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This file is part of GDB.
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GDB 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 1, or (at your option)
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any later version.
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GDB 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 GDB; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdio.h>
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#include <string.h>
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#include "defs.h"
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#include "param.h"
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#include "symtab.h"
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#include "value.h"
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#include "gdbcore.h"
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#include "gdbcmd.h"
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#include "target.h"
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#include "obstack.h"
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#include <errno.h>
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extern int sys_nerr;
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extern char *sys_errlist[];
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extern void print_scalar_formatted(); /* printcmd.c */
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extern void print_address_demangle(); /* printcmd.c */
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extern int demangle; /* whether to print C++ syms raw or source-form */
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/* Maximum number of chars to print for a string pointer value
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or vector contents, or UINT_MAX for no limit. */
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static unsigned int print_max;
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static void type_print_varspec_suffix ();
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static void type_print_varspec_prefix ();
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static void type_print_base ();
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static void type_print_method_args ();
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/* Default input and output radixes, and output format letter. */
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unsigned input_radix = 10;
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unsigned output_radix = 10;
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int output_format = 0;
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char **unsigned_type_table;
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char **signed_type_table;
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char **float_type_table;
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/* Print repeat counts if there are more than this
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many repetitions of an element in an array. */
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#define REPEAT_COUNT_THRESHOLD 10
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/* Define a mess of print controls. */
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int prettyprint; /* Controls pretty printing of structures */
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int vtblprint; /* Controls printing of vtbl's */
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int unionprint; /* Controls printing of nested unions. */
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int arrayprint; /* Controls pretty printing of arrays. */
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int addressprint; /* Controls pretty printing of addresses. */
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int objectprint; /* Controls looking up an object's derived type
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using what we find in its vtables. */
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struct obstack dont_print_obstack;
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static void cplus_val_print ();
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/* Print the character string STRING, printing at most LENGTH characters.
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Printing stops early if the number hits print_max; repeat counts
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are printed as appropriate. Print ellipses at the end if we
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had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */
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void
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print_string (stream, string, length, force_ellipses)
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FILE *stream;
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char *string;
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unsigned int length;
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int force_ellipses;
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{
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register unsigned int i;
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unsigned int things_printed = 0;
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int in_quotes = 0;
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int need_comma = 0;
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extern int inspect_it;
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if (length == 0)
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{
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fputs_filtered ("\"\"", stdout);
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return;
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}
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for (i = 0; i < length && things_printed < print_max; ++i)
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{
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/* Position of the character we are examining
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to see whether it is repeated. */
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unsigned int rep1;
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/* Number of repetitions we have detected so far. */
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unsigned int reps;
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QUIT;
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if (need_comma)
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{
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fputs_filtered (", ", stream);
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need_comma = 0;
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}
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rep1 = i + 1;
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reps = 1;
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while (rep1 < length && string[rep1] == string[i])
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{
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++rep1;
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++reps;
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}
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if (reps > REPEAT_COUNT_THRESHOLD)
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{
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if (in_quotes)
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{
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if (inspect_it)
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fputs_filtered ("\\\", ", stream);
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else
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fputs_filtered ("\", ", stream);
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in_quotes = 0;
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}
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fputs_filtered ("'", stream);
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printchar (string[i], stream, '\'');
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fprintf_filtered (stream, "' <repeats %u times>", reps);
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i = rep1 - 1;
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things_printed += REPEAT_COUNT_THRESHOLD;
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need_comma = 1;
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}
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else
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{
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if (!in_quotes)
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{
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if (inspect_it)
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fputs_filtered ("\\\"", stream);
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else
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fputs_filtered ("\"", stream);
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in_quotes = 1;
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}
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printchar (string[i], stream, '"');
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++things_printed;
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}
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}
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/* Terminate the quotes if necessary. */
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if (in_quotes)
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{
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if (inspect_it)
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fputs_filtered ("\\\"", stream);
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else
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fputs_filtered ("\"", stream);
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}
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if (force_ellipses || i < length)
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fputs_filtered ("...", stream);
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}
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/* Print a floating point value of type TYPE, pointed to in GDB by VALADDR,
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on STREAM. */
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void
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print_floating (valaddr, type, stream)
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char *valaddr;
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struct type *type;
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FILE *stream;
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{
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double doub;
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int inv;
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unsigned len = TYPE_LENGTH (type);
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#if defined (IEEE_FLOAT)
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/* Check for NaN's. Note that this code does not depend on us being
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on an IEEE conforming system. It only depends on the target
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machine using IEEE representation. This means (a)
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cross-debugging works right, and (2) IEEE_FLOAT can (and should)
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be defined for systems like the 68881, which uses IEEE
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representation, but is not IEEE conforming. */
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{
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long low, high;
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/* Is the sign bit 0? */
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int nonnegative;
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/* Is it is a NaN (i.e. the exponent is all ones and
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the fraction is nonzero)? */
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int is_nan;
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if (len == sizeof (float))
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{
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/* It's single precision. */
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bcopy (valaddr, &low, sizeof (low));
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/* target -> host. */
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SWAP_TARGET_AND_HOST (&low, sizeof (float));
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nonnegative = low >= 0;
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is_nan = ((((low >> 23) & 0xFF) == 0xFF)
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&& 0 != (low & 0x7FFFFF));
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low &= 0x7fffff;
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high = 0;
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}
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else
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{
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/* It's double precision. Get the high and low words. */
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#if TARGET_BYTE_ORDER == BIG_ENDIAN
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bcopy (valaddr+4, &low, sizeof (low));
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bcopy (valaddr+0, &high, sizeof (high));
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#else
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bcopy (valaddr+0, &low, sizeof (low));
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bcopy (valaddr+4, &high, sizeof (high));
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#endif
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SWAP_TARGET_AND_HOST (&low, sizeof (low));
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SWAP_TARGET_AND_HOST (&high, sizeof (high));
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nonnegative = high >= 0;
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is_nan = (((high >> 20) & 0x7ff) == 0x7ff
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&& ! ((((high & 0xfffff) == 0)) && (low == 0)));
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high &= 0xfffff;
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}
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if (is_nan)
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{
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/* The meaning of the sign and fraction is not defined by IEEE.
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But the user might know what they mean. For example, they
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(in an implementation-defined manner) distinguish between
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signaling and quiet NaN's. */
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if (high)
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fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + nonnegative,
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high, low);
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else
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fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low);
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return;
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}
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}
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#endif /* IEEE_FLOAT. */
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doub = unpack_double (type, valaddr, &inv);
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if (inv)
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fprintf_filtered (stream, "<invalid float value>");
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else
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fprintf_filtered (stream, len <= sizeof(float) ? "%.6g" : "%.17g", doub);
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}
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/* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
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static void
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print_hex_chars (stream, valaddr, len)
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FILE *stream;
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unsigned char *valaddr;
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unsigned len;
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{
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unsigned char *p;
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fprintf_filtered (stream, "0x");
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#if TARGET_BYTE_ORDER == BIG_ENDIAN
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for (p = valaddr;
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p < valaddr + len;
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p++)
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#else /* Little endian. */
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for (p = valaddr + len - 1;
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p >= valaddr;
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p--)
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#endif
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{
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fprintf_filtered (stream, "%02x", *p);
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}
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}
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/* Print the value VAL in C-ish syntax on stream STREAM.
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FORMAT is a format-letter, or 0 for print in natural format of data type.
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If the object printed is a string pointer, returns
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the number of string bytes printed. */
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int
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value_print (val, stream, format, pretty)
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value val;
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FILE *stream;
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char format;
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enum val_prettyprint pretty;
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{
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register unsigned int i, n, typelen;
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if (val == 0)
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{
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printf_filtered ("<address of value unknown>");
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return 0;
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}
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if (VALUE_OPTIMIZED_OUT (val))
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{
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printf_filtered ("<value optimized out>");
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return 0;
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}
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/* A "repeated" value really contains several values in a row.
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They are made by the @ operator.
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Print such values as if they were arrays. */
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else if (VALUE_REPEATED (val))
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{
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n = VALUE_REPETITIONS (val);
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typelen = TYPE_LENGTH (VALUE_TYPE (val));
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fprintf_filtered (stream, "{");
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/* Print arrays of characters using string syntax. */
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if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
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&& format == 0)
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print_string (stream, VALUE_CONTENTS (val), n, 0);
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else
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{
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unsigned int things_printed = 0;
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for (i = 0; i < n && things_printed < print_max; i++)
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{
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/* Position of the array element we are examining to see
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whether it is repeated. */
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unsigned int rep1;
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/* Number of repetitions we have detected so far. */
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unsigned int reps;
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if (i != 0)
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fprintf_filtered (stream, ", ");
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wrap_here ("");
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rep1 = i + 1;
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reps = 1;
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while (rep1 < n
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&& !bcmp (VALUE_CONTENTS (val) + typelen * i,
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VALUE_CONTENTS (val) + typelen * rep1, typelen))
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{
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++reps;
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++rep1;
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}
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if (reps > REPEAT_COUNT_THRESHOLD)
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{
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val_print (VALUE_TYPE (val),
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VALUE_CONTENTS (val) + typelen * i,
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VALUE_ADDRESS (val) + typelen * i,
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stream, format, 1, 0, pretty);
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fprintf (stream, " <repeats %u times>", reps);
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i = rep1 - 1;
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things_printed += REPEAT_COUNT_THRESHOLD;
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}
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else
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{
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val_print (VALUE_TYPE (val),
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VALUE_CONTENTS (val) + typelen * i,
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VALUE_ADDRESS (val) + typelen * i,
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stream, format, 1, 0, pretty);
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things_printed++;
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}
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}
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if (i < n)
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fprintf_filtered (stream, "...");
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}
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fprintf_filtered (stream, "}");
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return n * typelen;
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}
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else
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{
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struct type *type = VALUE_TYPE (val);
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/* If it is a pointer, indicate what it points to.
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Print type also if it is a reference.
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C++: if it is a member pointer, we will take care
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of that when we print it. */
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if (TYPE_CODE (type) == TYPE_CODE_PTR
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|| TYPE_CODE (type) == TYPE_CODE_REF)
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{
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/* Hack: remove (char *) for char strings. Their
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type is indicated by the quoted string anyway. */
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if (TYPE_CODE (type) == TYPE_CODE_PTR
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&& TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char)
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&& TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT
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&& !TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
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{
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/* Print nothing */
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}
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else
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{
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fprintf_filtered (stream, "(");
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type_print (type, "", stream, -1);
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fprintf_filtered (stream, ") ");
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}
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}
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return val_print (type, VALUE_CONTENTS (val),
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VALUE_ADDRESS (val), stream, format, 1, 0, pretty);
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}
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}
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/* Return truth value for assertion that TYPE is of the type
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"pointer to virtual function". */
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static int
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is_vtbl_ptr_type(type)
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struct type *type;
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{
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char *typename = TYPE_NAME(type);
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static const char vtbl_ptr_name[] =
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{ CPLUS_MARKER,'v','t','b','l','_','p','t','r','_','t','y','p','e' };
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return (typename != NULL && !strcmp(typename, vtbl_ptr_name));
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}
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/* Return truth value for the assertion that TYPE is of the type
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"pointer to virtual function table". */
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static int
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is_vtbl_member(type)
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struct type *type;
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{
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if (TYPE_CODE (type) == TYPE_CODE_PTR)
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type = TYPE_TARGET_TYPE (type);
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else
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return 0;
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if (TYPE_CODE (type) == TYPE_CODE_ARRAY
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&& TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT)
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/* Virtual functions tables are full of pointers to virtual functions. */
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return is_vtbl_ptr_type (TYPE_TARGET_TYPE (type));
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return 0;
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}
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/* Mutually recursive subroutines of cplus_val_print and val_print to print out
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a structure's fields: val_print_fields and cplus_val_print.
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TYPE, VALADDR, STREAM, RECURSE, and PRETTY have the
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same meanings as in cplus_val_print and val_print.
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DONT_PRINT is an array of baseclass types that we
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should not print, or zero if called from top level. */
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static void
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val_print_fields (type, valaddr, stream, format, recurse, pretty, dont_print)
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struct type *type;
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char *valaddr;
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FILE *stream;
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char format;
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int recurse;
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enum val_prettyprint pretty;
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struct type **dont_print;
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{
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int i, len, n_baseclasses;
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fprintf_filtered (stream, "{");
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len = TYPE_NFIELDS (type);
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n_baseclasses = TYPE_N_BASECLASSES (type);
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/* Print out baseclasses such that we don't print
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duplicates of virtual baseclasses. */
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if (n_baseclasses > 0)
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cplus_val_print (type, valaddr, stream, format, recurse+1, pretty, dont_print);
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|
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if (!len && n_baseclasses == 1)
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fprintf_filtered (stream, "<No data fields>");
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else
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{
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||
extern int inspect_it;
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int fields_seen = 0;
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||
|
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for (i = n_baseclasses; i < len; i++)
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||
{
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/* Check if static field */
|
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if (TYPE_FIELD_STATIC (type, i))
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continue;
|
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if (fields_seen)
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fprintf_filtered (stream, ", ");
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else if (n_baseclasses > 0)
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{
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fprintf_filtered (stream, "\n");
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print_spaces_filtered (2 + 2 * recurse, stream);
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fputs_filtered ("members of ", stream);
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fputs_filtered (type_name_no_tag (type), stream);
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fputs_filtered (": ", stream);
|
||
}
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fields_seen = 1;
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|
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if (pretty)
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{
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fprintf_filtered (stream, "\n");
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print_spaces_filtered (2 + 2 * recurse, stream);
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}
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else
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{
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wrap_here (n_spaces (2 + 2 * recurse));
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||
}
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if (inspect_it)
|
||
{
|
||
if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
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||
fputs_filtered ("\"( ptr \"", stream);
|
||
else
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||
fputs_filtered ("\"( nodef \"", stream);
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||
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
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||
fputs_filtered ("\" \"", stream);
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||
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
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||
fputs_filtered ("\") \"", stream);
|
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}
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||
else
|
||
{
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fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
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fputs_filtered (" = ", stream);
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||
}
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if (TYPE_FIELD_PACKED (type, i))
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||
{
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value v;
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||
/* Bitfields require special handling, especially due to byte
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order problems. */
|
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v = value_from_long (TYPE_FIELD_TYPE (type, i),
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unpack_field_as_long (type, valaddr, i));
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val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0,
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stream, format, 0, recurse + 1, pretty);
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}
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else
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{
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val_print (TYPE_FIELD_TYPE (type, i),
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valaddr + TYPE_FIELD_BITPOS (type, i) / 8,
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0, stream, format, 0, recurse + 1, pretty);
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}
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}
|
||
if (pretty)
|
||
{
|
||
fprintf_filtered (stream, "\n");
|
||
print_spaces_filtered (2 * recurse, stream);
|
||
}
|
||
}
|
||
fprintf_filtered (stream, "}");
|
||
}
|
||
|
||
/* Special val_print routine to avoid printing multiple copies of virtual
|
||
baseclasses. */
|
||
|
||
static void
|
||
cplus_val_print (type, valaddr, stream, format, recurse, pretty, dont_print)
|
||
struct type *type;
|
||
char *valaddr;
|
||
FILE *stream;
|
||
char format;
|
||
int recurse;
|
||
enum val_prettyprint pretty;
|
||
struct type **dont_print;
|
||
{
|
||
struct obstack tmp_obstack;
|
||
struct type **last_dont_print
|
||
= (struct type **)obstack_next_free (&dont_print_obstack);
|
||
int i, n_baseclasses = TYPE_N_BASECLASSES (type);
|
||
|
||
if (dont_print == 0)
|
||
{
|
||
/* If we're at top level, carve out a completely fresh
|
||
chunk of the obstack and use that until this particular
|
||
invocation returns. */
|
||
tmp_obstack = dont_print_obstack;
|
||
/* Bump up the high-water mark. Now alpha is omega. */
|
||
obstack_finish (&dont_print_obstack);
|
||
}
|
||
|
||
for (i = 0; i < n_baseclasses; i++)
|
||
{
|
||
char *baddr;
|
||
int err;
|
||
|
||
if (BASETYPE_VIA_VIRTUAL (type, i))
|
||
{
|
||
struct type **first_dont_print
|
||
= (struct type **)obstack_base (&dont_print_obstack);
|
||
|
||
int j = (struct type **)obstack_next_free (&dont_print_obstack)
|
||
- first_dont_print;
|
||
|
||
while (--j >= 0)
|
||
if (TYPE_BASECLASS (type, i) == first_dont_print[j])
|
||
goto flush_it;
|
||
|
||
obstack_ptr_grow (&dont_print_obstack, TYPE_BASECLASS (type, i));
|
||
}
|
||
|
||
baddr = baseclass_addr (type, i, valaddr, 0, &err);
|
||
if (err == 0 && baddr == 0)
|
||
error ("could not find virtual baseclass `%s'\n",
|
||
type_name_no_tag (TYPE_BASECLASS (type, i)));
|
||
|
||
fprintf_filtered (stream, "\n");
|
||
if (pretty)
|
||
print_spaces_filtered (2 + 2 * recurse, stream);
|
||
fputs_filtered ("<", stream);
|
||
fputs_filtered (type_name_no_tag (TYPE_BASECLASS (type, i)), stream);
|
||
fputs_filtered ("> = ", stream);
|
||
if (err != 0)
|
||
fprintf_filtered (stream, "<invalid address 0x%x>", baddr);
|
||
else
|
||
val_print_fields (TYPE_BASECLASS (type, i), baddr, stream, format,
|
||
recurse, pretty,
|
||
(struct type **)obstack_base (&dont_print_obstack));
|
||
flush_it:
|
||
;
|
||
}
|
||
|
||
if (dont_print == 0)
|
||
{
|
||
/* Free the space used to deal with the printing
|
||
of this type from top level. */
|
||
obstack_free (&dont_print_obstack, last_dont_print);
|
||
/* Reset watermark so that we can continue protecting
|
||
ourselves from whatever we were protecting ourselves. */
|
||
dont_print_obstack = tmp_obstack;
|
||
}
|
||
}
|
||
|
||
/* 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
|
||
sting characters printed.
|
||
|
||
if DEREF_REF is nonzero, then dereference references,
|
||
otherwise just print them like pointers.
|
||
|
||
The PRETTY parameter controls prettyprinting. */
|
||
|
||
int
|
||
val_print (type, valaddr, address, stream, format,
|
||
deref_ref, recurse, pretty)
|
||
struct type *type;
|
||
char *valaddr;
|
||
CORE_ADDR address;
|
||
FILE *stream;
|
||
char format;
|
||
int deref_ref;
|
||
int recurse;
|
||
enum val_prettyprint pretty;
|
||
{
|
||
register unsigned int i;
|
||
unsigned len;
|
||
struct type *elttype;
|
||
unsigned eltlen;
|
||
LONGEST val;
|
||
unsigned char c;
|
||
|
||
if (pretty == Val_pretty_default)
|
||
{
|
||
pretty = prettyprint ? Val_prettyprint : Val_no_prettyprint;
|
||
}
|
||
|
||
QUIT;
|
||
|
||
check_stub_type (type);
|
||
|
||
if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
|
||
{
|
||
fprintf_filtered (stream, "<unknown struct>");
|
||
fflush (stream);
|
||
return 0;
|
||
}
|
||
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_ARRAY:
|
||
/* FIXME: TYPE_LENGTH (type) is unsigned and therefore always
|
||
0. Is "> 0" meant? I'm not sure what an "array of
|
||
unspecified length" (mentioned in the comment for the else-part
|
||
of this if) is. */
|
||
if (TYPE_LENGTH (type) >= 0
|
||
&& TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
|
||
{
|
||
elttype = TYPE_TARGET_TYPE (type);
|
||
eltlen = TYPE_LENGTH (elttype);
|
||
len = TYPE_LENGTH (type) / eltlen;
|
||
if (arrayprint)
|
||
print_spaces_filtered (2 + 2 * recurse, stream);
|
||
fprintf_filtered (stream, "{");
|
||
/* For an array of chars, print with string syntax. */
|
||
if (eltlen == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT
|
||
&& (format == 0 || format == 's') )
|
||
print_string (stream, valaddr, len, 0);
|
||
else
|
||
{
|
||
unsigned int things_printed = 0;
|
||
|
||
/* If this is a virtual function table, print the 0th
|
||
entry specially, and the rest of the members normally. */
|
||
if (is_vtbl_ptr_type (elttype))
|
||
{
|
||
fprintf_filtered (stream, "%d vtable entries", len-1);
|
||
i = 1;
|
||
}
|
||
else
|
||
i = 0;
|
||
|
||
for (; i < len && things_printed < print_max; i++)
|
||
{
|
||
/* Position of the array element we are examining to see
|
||
whether it is repeated. */
|
||
unsigned int rep1;
|
||
/* Number of repetitions we have detected so far. */
|
||
unsigned int reps;
|
||
|
||
if (i != 0)
|
||
if (arrayprint)
|
||
{
|
||
fprintf_filtered (stream, ",\n");
|
||
print_spaces_filtered (2 + 2 * recurse, stream);
|
||
}
|
||
else
|
||
fprintf_filtered (stream, ", ");
|
||
wrap_here (n_spaces (2 + 2 * recurse));
|
||
|
||
rep1 = i + 1;
|
||
reps = 1;
|
||
while (rep1 < len
|
||
&& !bcmp (valaddr + i * eltlen,
|
||
valaddr + rep1 * eltlen, eltlen))
|
||
{
|
||
++reps;
|
||
++rep1;
|
||
}
|
||
|
||
if (reps > REPEAT_COUNT_THRESHOLD)
|
||
{
|
||
val_print (elttype, valaddr + i * eltlen,
|
||
0, stream, format, deref_ref,
|
||
recurse + 1, pretty);
|
||
fprintf_filtered (stream, " <repeats %u times>", reps);
|
||
i = rep1 - 1;
|
||
things_printed += REPEAT_COUNT_THRESHOLD;
|
||
}
|
||
else
|
||
{
|
||
val_print (elttype, valaddr + i * eltlen,
|
||
0, stream, format, deref_ref,
|
||
recurse + 1, pretty);
|
||
things_printed++;
|
||
}
|
||
}
|
||
if (i < len)
|
||
fprintf_filtered (stream, "...");
|
||
}
|
||
fprintf_filtered (stream, "}");
|
||
break;
|
||
}
|
||
/* Array of unspecified length: treat like pointer to first elt. */
|
||
valaddr = (char *) &address;
|
||
|
||
case TYPE_CODE_PTR:
|
||
if (format && format != 's')
|
||
{
|
||
print_scalar_formatted (valaddr, type, format, 0, stream);
|
||
break;
|
||
}
|
||
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD)
|
||
{
|
||
struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type));
|
||
struct fn_field *f;
|
||
int j, len2;
|
||
char *kind = "";
|
||
CORE_ADDR addr;
|
||
|
||
addr = unpack_pointer (lookup_pointer_type (builtin_type_void),
|
||
valaddr);
|
||
if (addr < 128)
|
||
{
|
||
len = TYPE_NFN_FIELDS (domain);
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
f = TYPE_FN_FIELDLIST1 (domain, i);
|
||
len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
|
||
|
||
for (j = 0; j < len2; j++)
|
||
{
|
||
QUIT;
|
||
if (TYPE_FN_FIELD_VOFFSET (f, j) == addr)
|
||
{
|
||
kind = "virtual";
|
||
goto common;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
struct symbol *sym = find_pc_function (addr);
|
||
if (sym == 0)
|
||
error ("invalid pointer to member function");
|
||
len = TYPE_NFN_FIELDS (domain);
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
f = TYPE_FN_FIELDLIST1 (domain, i);
|
||
len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
|
||
|
||
for (j = 0; j < len2; j++)
|
||
{
|
||
QUIT;
|
||
if (!strcmp (SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j)))
|
||
goto common;
|
||
}
|
||
}
|
||
}
|
||
common:
|
||
if (i < len)
|
||
{
|
||
fprintf_filtered (stream, "&");
|
||
type_print_varspec_prefix (TYPE_FN_FIELD_TYPE (f, j), stream, 0, 0);
|
||
fprintf (stream, kind);
|
||
if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_'
|
||
&& TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER)
|
||
type_print_method_args
|
||
(TYPE_FN_FIELD_ARGS (f, j) + 1, "~",
|
||
TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream);
|
||
else
|
||
type_print_method_args
|
||
(TYPE_FN_FIELD_ARGS (f, j), "",
|
||
TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream);
|
||
break;
|
||
}
|
||
fprintf_filtered (stream, "(");
|
||
type_print (type, "", stream, -1);
|
||
fprintf_filtered (stream, ") %d", (int) addr >> 3);
|
||
}
|
||
else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
|
||
{
|
||
struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type));
|
||
|
||
/* VAL is a byte offset into the structure type DOMAIN.
|
||
Find the name of the field for that offset and
|
||
print it. */
|
||
int extra = 0;
|
||
int bits = 0;
|
||
len = TYPE_NFIELDS (domain);
|
||
/* @@ Make VAL into bit offset */
|
||
val = unpack_long (builtin_type_int, valaddr) << 3;
|
||
for (i = TYPE_N_BASECLASSES (domain); i < len; i++)
|
||
{
|
||
int bitpos = TYPE_FIELD_BITPOS (domain, i);
|
||
QUIT;
|
||
if (val == bitpos)
|
||
break;
|
||
if (val < bitpos && i != 0)
|
||
{
|
||
/* Somehow pointing into a field. */
|
||
i -= 1;
|
||
extra = (val - TYPE_FIELD_BITPOS (domain, i));
|
||
if (extra & 0x3)
|
||
bits = 1;
|
||
else
|
||
extra >>= 3;
|
||
break;
|
||
}
|
||
}
|
||
if (i < len)
|
||
{
|
||
fprintf_filtered (stream, "&");
|
||
type_print_base (domain, stream, 0, 0);
|
||
fprintf_filtered (stream, "::");
|
||
fputs_filtered (TYPE_FIELD_NAME (domain, i), stream);
|
||
if (extra)
|
||
fprintf_filtered (stream, " + %d bytes", extra);
|
||
if (bits)
|
||
fprintf_filtered (stream, " (offset in bits)");
|
||
break;
|
||
}
|
||
fprintf_filtered (stream, "%d", val >> 3);
|
||
}
|
||
else
|
||
{
|
||
CORE_ADDR addr = unpack_pointer (type, valaddr);
|
||
elttype = 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 (addressprint && format != 's')
|
||
fprintf_filtered (stream, "0x%x", addr);
|
||
|
||
/* For a pointer to char or unsigned char,
|
||
also print the string pointed to, unless pointer is null. */
|
||
i = 0; /* Number of characters printed. */
|
||
if (TYPE_LENGTH (elttype) == 1
|
||
&& TYPE_CODE (elttype) == TYPE_CODE_INT
|
||
&& (format == 0 || format == 's')
|
||
&& addr != 0
|
||
/* If print_max is UINT_MAX, the alloca below will fail.
|
||
In that case don't try to print the string. */
|
||
&& print_max < UINT_MAX)
|
||
{
|
||
int first_addr_err = 0;
|
||
int errcode = 0;
|
||
|
||
/* Get first character. */
|
||
errcode = target_read_memory (addr, (char *)&c, 1);
|
||
if (errcode != 0)
|
||
{
|
||
/* First address out of bounds. */
|
||
first_addr_err = 1;
|
||
}
|
||
else
|
||
{
|
||
/* A real string. */
|
||
char *string = (char *) alloca (print_max);
|
||
|
||
/* If the loop ends by us hitting print_max characters,
|
||
we need to have elipses at the end. */
|
||
int force_ellipses = 1;
|
||
|
||
/* This loop always fetches print_max characters, even
|
||
though print_string might want to print more or fewer
|
||
(with repeated characters). This is so that
|
||
we don't spend forever fetching if we print
|
||
a long string consisting of the same character
|
||
repeated. Also so we can do it all in one memory
|
||
operation, which is faster. However, this will be
|
||
slower if print_max is set high, e.g. if you set
|
||
print_max to 1000, not only will it take a long
|
||
time to fetch short strings, but if you are near
|
||
the end of the address space, it might not work.
|
||
FIXME. */
|
||
QUIT;
|
||
errcode = target_read_memory (addr, string, print_max);
|
||
if (errcode != 0)
|
||
force_ellipses = 0;
|
||
else
|
||
for (i = 0; i < print_max; i++)
|
||
if (string[i] == '\0')
|
||
{
|
||
force_ellipses = 0;
|
||
break;
|
||
}
|
||
QUIT;
|
||
|
||
if (addressprint)
|
||
fputs_filtered (" ", stream);
|
||
print_string (stream, string, i, force_ellipses);
|
||
}
|
||
|
||
if (errcode != 0)
|
||
{
|
||
if (errcode == EIO)
|
||
{
|
||
fprintf_filtered (stream,
|
||
(" <Address 0x%x out of bounds>"
|
||
+ first_addr_err),
|
||
addr + i);
|
||
}
|
||
else
|
||
{
|
||
if (errcode >= sys_nerr || errcode < 0)
|
||
error ("Error reading memory address 0x%x: unknown error (%d).",
|
||
addr + i, errcode);
|
||
else
|
||
error ("Error reading memory address 0x%x: %s.",
|
||
addr + i, sys_errlist[errcode]);
|
||
}
|
||
}
|
||
|
||
fflush (stream);
|
||
}
|
||
else /* print vtbl's nicely */
|
||
if (is_vtbl_member(type))
|
||
{
|
||
CORE_ADDR vt_address = unpack_pointer (type, valaddr);
|
||
|
||
int vt_index = find_pc_misc_function (vt_address);
|
||
if (vt_index >= 0
|
||
&& vt_address == misc_function_vector[vt_index].address)
|
||
{
|
||
fputs_filtered (" <", stream);
|
||
fputs_demangled (misc_function_vector[vt_index].name,
|
||
stream, 1);
|
||
fputs_filtered (">", stream);
|
||
}
|
||
if (vtblprint)
|
||
{
|
||
value vt_val;
|
||
|
||
vt_val = value_at (TYPE_TARGET_TYPE (type), vt_address);
|
||
val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val),
|
||
VALUE_ADDRESS (vt_val), stream, format,
|
||
deref_ref, recurse + 1, pretty);
|
||
if (pretty)
|
||
{
|
||
fprintf_filtered (stream, "\n");
|
||
print_spaces_filtered (2 + 2 * recurse, stream);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Return number of characters printed, plus one for the
|
||
terminating null if we have "reached the end". */
|
||
return i + (print_max && i != print_max);
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_MEMBER:
|
||
error ("not implemented: member type in val_print");
|
||
break;
|
||
|
||
case TYPE_CODE_REF:
|
||
if (addressprint)
|
||
{
|
||
fprintf_filtered (stream, "@0x%lx",
|
||
unpack_long (builtin_type_int, valaddr));
|
||
if (deref_ref)
|
||
fputs_filtered (": ", stream);
|
||
}
|
||
/* De-reference the reference. */
|
||
if (deref_ref)
|
||
{
|
||
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF)
|
||
{
|
||
value deref_val =
|
||
value_at
|
||
(TYPE_TARGET_TYPE (type),
|
||
unpack_pointer (lookup_pointer_type (builtin_type_void),
|
||
valaddr));
|
||
val_print (VALUE_TYPE (deref_val), VALUE_CONTENTS (deref_val),
|
||
VALUE_ADDRESS (deref_val), stream, format,
|
||
deref_ref, recurse + 1, pretty);
|
||
}
|
||
else
|
||
fputs_filtered ("???", stream);
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_UNION:
|
||
if (recurse && !unionprint)
|
||
{
|
||
fprintf_filtered (stream, "{...}");
|
||
break;
|
||
}
|
||
/* Fall through. */
|
||
case TYPE_CODE_STRUCT:
|
||
if (vtblprint && is_vtbl_ptr_type(type))
|
||
{
|
||
/* Print the unmangled name if desired. */
|
||
print_address_demangle(*((int *) (valaddr + /* FIXME bytesex */
|
||
TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8)),
|
||
stream, demangle);
|
||
break;
|
||
}
|
||
val_print_fields (type, valaddr, stream, format, recurse, pretty, 0);
|
||
break;
|
||
|
||
case TYPE_CODE_ENUM:
|
||
if (format)
|
||
{
|
||
print_scalar_formatted (valaddr, type, format, 0, stream);
|
||
break;
|
||
}
|
||
len = TYPE_NFIELDS (type);
|
||
val = unpack_long (builtin_type_int, valaddr);
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
QUIT;
|
||
if (val == TYPE_FIELD_BITPOS (type, i))
|
||
break;
|
||
}
|
||
if (i < len)
|
||
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
|
||
else
|
||
#ifdef LONG_LONG
|
||
fprintf_filtered (stream, "%lld", val);
|
||
#else
|
||
fprintf_filtered (stream, "%ld", val);
|
||
#endif
|
||
break;
|
||
|
||
case TYPE_CODE_FUNC:
|
||
if (format)
|
||
{
|
||
print_scalar_formatted (valaddr, type, format, 0, stream);
|
||
break;
|
||
}
|
||
fprintf_filtered (stream, "{");
|
||
type_print (type, "", stream, -1);
|
||
fprintf_filtered (stream, "} ");
|
||
if (addressprint)
|
||
fprintf_filtered (stream, "0x%x", address);
|
||
break;
|
||
|
||
case TYPE_CODE_INT:
|
||
if (format || output_format)
|
||
{
|
||
print_scalar_formatted (valaddr, type,
|
||
format? format: output_format,
|
||
0, stream);
|
||
break;
|
||
}
|
||
if (TYPE_LENGTH (type) > sizeof (LONGEST))
|
||
{
|
||
if (TYPE_UNSIGNED (type))
|
||
{
|
||
/* First figure out whether the number in fact has zeros
|
||
in all its bytes more significant than least significant
|
||
sizeof (LONGEST) ones. */
|
||
char *p;
|
||
/* Pointer to first (i.e. lowest address) nonzero character. */
|
||
char *first_addr;
|
||
len = TYPE_LENGTH (type);
|
||
|
||
#if TARGET_BYTE_ORDER == BIG_ENDIAN
|
||
for (p = valaddr;
|
||
len > sizeof (LONGEST)
|
||
&& p < valaddr + TYPE_LENGTH (type);
|
||
p++)
|
||
#else /* Little endian. */
|
||
first_addr = valaddr;
|
||
for (p = valaddr + TYPE_LENGTH (type);
|
||
len > sizeof (LONGEST) && p >= valaddr;
|
||
p--)
|
||
#endif /* Little endian. */
|
||
{
|
||
if (*p == 0)
|
||
len--;
|
||
else
|
||
break;
|
||
}
|
||
#if TARGET_BYTE_ORDER == BIG_ENDIAN
|
||
first_addr = p;
|
||
#endif
|
||
|
||
if (len <= sizeof (LONGEST))
|
||
{
|
||
/* We can print it in decimal. */
|
||
fprintf_filtered
|
||
(stream,
|
||
#if defined (LONG_LONG)
|
||
"%llu",
|
||
#else
|
||
"%lu",
|
||
#endif
|
||
unpack_long (BUILTIN_TYPE_LONGEST, first_addr));
|
||
}
|
||
else
|
||
{
|
||
/* It is big, so print it in hex. */
|
||
print_hex_chars (stream, (unsigned char *)first_addr, len);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Signed. One could assume two's complement (a reasonable
|
||
assumption, I think) and do better than this. */
|
||
print_hex_chars (stream, (unsigned char *)valaddr,
|
||
TYPE_LENGTH (type));
|
||
}
|
||
break;
|
||
}
|
||
#ifdef PRINT_TYPELESS_INTEGER
|
||
PRINT_TYPELESS_INTEGER (stream, type, unpack_long (type, valaddr));
|
||
#else
|
||
#ifndef LONG_LONG
|
||
fprintf_filtered (stream,
|
||
TYPE_UNSIGNED (type) ? "%u" : "%d",
|
||
unpack_long (type, valaddr));
|
||
#else
|
||
fprintf_filtered (stream,
|
||
TYPE_UNSIGNED (type) ? "%llu" : "%lld",
|
||
unpack_long (type, valaddr));
|
||
#endif
|
||
#endif
|
||
|
||
if (TYPE_LENGTH (type) == 1)
|
||
{
|
||
fprintf_filtered (stream, " '");
|
||
printchar ((unsigned char) unpack_long (type, valaddr),
|
||
stream, '\'');
|
||
fprintf_filtered (stream, "'");
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_FLT:
|
||
if (format)
|
||
print_scalar_formatted (valaddr, type, format, 0, stream);
|
||
else
|
||
print_floating (valaddr, type, stream);
|
||
break;
|
||
|
||
case TYPE_CODE_VOID:
|
||
fprintf_filtered (stream, "void");
|
||
break;
|
||
|
||
case TYPE_CODE_UNDEF:
|
||
/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
|
||
dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
|
||
and no complete type for struct foo in that file. */
|
||
fprintf_filtered (stream, "<unknown struct>");
|
||
break;
|
||
|
||
case TYPE_CODE_ERROR:
|
||
fprintf_filtered (stream, "?");
|
||
break;
|
||
|
||
default:
|
||
error ("Invalid type code in symbol table.");
|
||
}
|
||
fflush (stream);
|
||
return 0;
|
||
}
|
||
|
||
/* Print a description of a type TYPE
|
||
in the form of a declaration of a variable named VARSTRING.
|
||
(VARSTRING is demangled if necessary.)
|
||
Output goes to STREAM (via stdio).
|
||
If SHOW is positive, we show the contents of the outermost level
|
||
of structure even if there is a type name that could be used instead.
|
||
If SHOW is negative, we never show the details of elements' types. */
|
||
|
||
void
|
||
type_print (type, varstring, stream, show)
|
||
struct type *type;
|
||
char *varstring;
|
||
FILE *stream;
|
||
int show;
|
||
{
|
||
type_print_1 (type, varstring, stream, show, 0);
|
||
}
|
||
|
||
/* LEVEL is the depth to indent lines by. */
|
||
|
||
void
|
||
type_print_1 (type, varstring, stream, show, level)
|
||
struct type *type;
|
||
char *varstring;
|
||
FILE *stream;
|
||
int show;
|
||
int level;
|
||
{
|
||
register enum type_code code;
|
||
type_print_base (type, stream, show, level);
|
||
code = TYPE_CODE (type);
|
||
if ((varstring && *varstring)
|
||
||
|
||
/* Need a space if going to print stars or brackets;
|
||
but not if we will print just a type name. */
|
||
((show > 0 || TYPE_NAME (type) == 0)
|
||
&&
|
||
(code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
|
||
|| code == TYPE_CODE_METHOD
|
||
|| code == TYPE_CODE_ARRAY
|
||
|| code == TYPE_CODE_MEMBER
|
||
|| code == TYPE_CODE_REF)))
|
||
fprintf_filtered (stream, " ");
|
||
type_print_varspec_prefix (type, stream, show, 0);
|
||
fputs_demangled (varstring, stream, -1); /* Print demangled name
|
||
without arguments */
|
||
type_print_varspec_suffix (type, stream, show, 0);
|
||
}
|
||
|
||
/* Print the method arguments ARGS to the file STREAM. */
|
||
static void
|
||
type_print_method_args (args, prefix, varstring, staticp, stream)
|
||
struct type **args;
|
||
char *prefix, *varstring;
|
||
int staticp;
|
||
FILE *stream;
|
||
{
|
||
int i;
|
||
|
||
fputs_filtered (" ", stream);
|
||
fputs_demangled (prefix, stream, 1);
|
||
fputs_demangled (varstring, stream, 1);
|
||
fputs_filtered (" (", stream);
|
||
if (args && args[!staticp] && args[!staticp]->code != TYPE_CODE_VOID)
|
||
{
|
||
i = !staticp; /* skip the class variable */
|
||
while (1)
|
||
{
|
||
type_print (args[i++], "", stream, 0);
|
||
if (!args[i])
|
||
{
|
||
fprintf_filtered (stream, " ...");
|
||
break;
|
||
}
|
||
else if (args[i]->code != TYPE_CODE_VOID)
|
||
{
|
||
fprintf_filtered (stream, ", ");
|
||
}
|
||
else break;
|
||
}
|
||
}
|
||
fprintf_filtered (stream, ")");
|
||
}
|
||
|
||
/* If TYPE is a derived type, then print out derivation
|
||
information. Print out all layers of the type heirarchy
|
||
until we encounter one with multiple inheritance.
|
||
At that point, print out that ply, and return. */
|
||
static void
|
||
type_print_derivation_info (stream, type)
|
||
FILE *stream;
|
||
struct type *type;
|
||
{
|
||
char *name;
|
||
int i, n_baseclasses = TYPE_N_BASECLASSES (type);
|
||
struct type *basetype = 0;
|
||
|
||
while (type && n_baseclasses > 0)
|
||
{
|
||
/* Not actually sure about this one -- Bryan. */
|
||
check_stub_type (type);
|
||
|
||
fprintf_filtered (stream, ": ");
|
||
for (i = 0; ;)
|
||
{
|
||
basetype = TYPE_BASECLASS (type, i);
|
||
if (name = type_name_no_tag (basetype))
|
||
{
|
||
fprintf_filtered (stream, "%s%s ",
|
||
BASETYPE_VIA_PUBLIC(type, i) ? "public" : "private",
|
||
BASETYPE_VIA_VIRTUAL(type, i) ? " virtual" : "");
|
||
fputs_filtered (name, stream);
|
||
}
|
||
i++;
|
||
if (i >= n_baseclasses)
|
||
break;
|
||
fprintf_filtered (stream, ", ");
|
||
}
|
||
|
||
fprintf_filtered (stream, " ");
|
||
if (n_baseclasses != 1)
|
||
break;
|
||
n_baseclasses = TYPE_N_BASECLASSES (basetype);
|
||
type = basetype;
|
||
}
|
||
}
|
||
|
||
/* Print any asterisks or open-parentheses needed before the
|
||
variable name (to describe its type).
|
||
|
||
On outermost call, pass 0 for PASSED_A_PTR.
|
||
On outermost call, SHOW > 0 means should ignore
|
||
any typename for TYPE and show its details.
|
||
SHOW is always zero on recursive calls. */
|
||
|
||
static void
|
||
type_print_varspec_prefix (type, stream, show, passed_a_ptr)
|
||
struct type *type;
|
||
FILE *stream;
|
||
int show;
|
||
int passed_a_ptr;
|
||
{
|
||
if (type == 0)
|
||
return;
|
||
|
||
if (TYPE_NAME (type) && show <= 0)
|
||
return;
|
||
|
||
QUIT;
|
||
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_PTR:
|
||
type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
|
||
fprintf_filtered (stream, "*");
|
||
break;
|
||
|
||
case TYPE_CODE_MEMBER:
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, "(");
|
||
type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0,
|
||
0);
|
||
fprintf_filtered (stream, " ");
|
||
type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0,
|
||
passed_a_ptr);
|
||
fprintf_filtered (stream, "::");
|
||
break;
|
||
|
||
case TYPE_CODE_METHOD:
|
||
if (passed_a_ptr)
|
||
fprintf (stream, "(");
|
||
type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0,
|
||
0);
|
||
if (passed_a_ptr)
|
||
{
|
||
fprintf_filtered (stream, " ");
|
||
type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0,
|
||
passed_a_ptr);
|
||
fprintf_filtered (stream, "::");
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_REF:
|
||
type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
|
||
fprintf_filtered (stream, "&");
|
||
break;
|
||
|
||
case TYPE_CODE_FUNC:
|
||
type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0,
|
||
0);
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, "(");
|
||
break;
|
||
|
||
case TYPE_CODE_ARRAY:
|
||
type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0,
|
||
0);
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, "(");
|
||
|
||
case TYPE_CODE_UNDEF:
|
||
case TYPE_CODE_STRUCT:
|
||
case TYPE_CODE_UNION:
|
||
case TYPE_CODE_ENUM:
|
||
case TYPE_CODE_INT:
|
||
case TYPE_CODE_FLT:
|
||
case TYPE_CODE_VOID:
|
||
case TYPE_CODE_ERROR:
|
||
/* These types need no prefix. They are listed here so that
|
||
gcc -Wall will reveal any types that haven't been handled. */
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Print any array sizes, function arguments or close parentheses
|
||
needed after the variable name (to describe its type).
|
||
Args work like type_print_varspec_prefix. */
|
||
|
||
static void
|
||
type_print_varspec_suffix (type, stream, show, passed_a_ptr)
|
||
struct type *type;
|
||
FILE *stream;
|
||
int show;
|
||
int passed_a_ptr;
|
||
{
|
||
if (type == 0)
|
||
return;
|
||
|
||
if (TYPE_NAME (type) && show <= 0)
|
||
return;
|
||
|
||
QUIT;
|
||
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_ARRAY:
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, ")");
|
||
|
||
fprintf_filtered (stream, "[");
|
||
if (/* always true */ /* TYPE_LENGTH (type) >= 0
|
||
&& */ TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
|
||
fprintf_filtered (stream, "%d",
|
||
(TYPE_LENGTH (type)
|
||
/ TYPE_LENGTH (TYPE_TARGET_TYPE (type))));
|
||
fprintf_filtered (stream, "]");
|
||
|
||
type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
|
||
0);
|
||
break;
|
||
|
||
case TYPE_CODE_MEMBER:
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, ")");
|
||
type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0);
|
||
break;
|
||
|
||
case TYPE_CODE_METHOD:
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, ")");
|
||
type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0);
|
||
if (passed_a_ptr)
|
||
{
|
||
int i;
|
||
struct type **args = TYPE_ARG_TYPES (type);
|
||
|
||
fprintf_filtered (stream, "(");
|
||
if (args[1] == 0)
|
||
fprintf_filtered (stream, "...");
|
||
else for (i = 1; args[i] != 0 && args[i]->code != TYPE_CODE_VOID; i++)
|
||
{
|
||
type_print_1 (args[i], "", stream, -1, 0);
|
||
if (args[i+1] == 0)
|
||
fprintf_filtered (stream, "...");
|
||
else if (args[i+1]->code != TYPE_CODE_VOID) {
|
||
fprintf_filtered (stream, ",");
|
||
wrap_here (" ");
|
||
}
|
||
}
|
||
fprintf_filtered (stream, ")");
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_PTR:
|
||
case TYPE_CODE_REF:
|
||
type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1);
|
||
break;
|
||
|
||
case TYPE_CODE_FUNC:
|
||
type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
|
||
passed_a_ptr);
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, ")");
|
||
fprintf_filtered (stream, "()");
|
||
break;
|
||
|
||
case TYPE_CODE_UNDEF:
|
||
case TYPE_CODE_STRUCT:
|
||
case TYPE_CODE_UNION:
|
||
case TYPE_CODE_ENUM:
|
||
case TYPE_CODE_INT:
|
||
case TYPE_CODE_FLT:
|
||
case TYPE_CODE_VOID:
|
||
case TYPE_CODE_ERROR:
|
||
/* These types do not need a suffix. They are listed so that
|
||
gcc -Wall will report types that may not have been considered. */
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Print the name of the type (or the ultimate pointer target,
|
||
function value or array element), or the description of a
|
||
structure or union.
|
||
|
||
SHOW nonzero means don't print this type as just its name;
|
||
show its real definition even if it has a name.
|
||
SHOW zero means print just typename or struct tag if there is one
|
||
SHOW negative means abbreviate structure elements.
|
||
SHOW is decremented for printing of structure elements.
|
||
|
||
LEVEL is the depth to indent by.
|
||
We increase it for some recursive calls. */
|
||
|
||
static void
|
||
type_print_base (type, stream, show, level)
|
||
struct type *type;
|
||
FILE *stream;
|
||
int show;
|
||
int level;
|
||
{
|
||
char *name;
|
||
register int i;
|
||
register int len;
|
||
register int lastval;
|
||
|
||
QUIT;
|
||
|
||
wrap_here (" ");
|
||
if (type == 0)
|
||
{
|
||
fprintf_filtered (stream, "type unknown");
|
||
return;
|
||
}
|
||
|
||
if (TYPE_NAME (type) && show <= 0)
|
||
{
|
||
fputs_filtered (TYPE_NAME (type), stream);
|
||
return;
|
||
}
|
||
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_ARRAY:
|
||
case TYPE_CODE_PTR:
|
||
case TYPE_CODE_MEMBER:
|
||
case TYPE_CODE_REF:
|
||
case TYPE_CODE_FUNC:
|
||
case TYPE_CODE_METHOD:
|
||
type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
|
||
break;
|
||
|
||
case TYPE_CODE_STRUCT:
|
||
fprintf_filtered (stream, "struct ");
|
||
goto struct_union;
|
||
|
||
case TYPE_CODE_UNION:
|
||
fprintf_filtered (stream, "union ");
|
||
struct_union:
|
||
if (name = type_name_no_tag (type))
|
||
{
|
||
fputs_filtered (name, stream);
|
||
fputs_filtered (" ", stream);
|
||
wrap_here (" ");
|
||
}
|
||
if (show < 0)
|
||
fprintf_filtered (stream, "{...}");
|
||
else
|
||
{
|
||
check_stub_type (type);
|
||
|
||
type_print_derivation_info (stream, type);
|
||
|
||
fprintf_filtered (stream, "{");
|
||
len = TYPE_NFIELDS (type);
|
||
if (len)
|
||
fprintf_filtered (stream, "\n");
|
||
else
|
||
{
|
||
if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
|
||
fprintf_filtered (stream, "<incomplete type>\n");
|
||
else
|
||
fprintf_filtered (stream, "<no data fields>\n");
|
||
}
|
||
|
||
/* If there is a base class for this type,
|
||
do not print the field that it occupies. */
|
||
for (i = TYPE_N_BASECLASSES (type); i < len; i++)
|
||
{
|
||
QUIT;
|
||
/* Don't print out virtual function table. */
|
||
if ((TYPE_FIELD_NAME (type, i))[5] == CPLUS_MARKER &&
|
||
!strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5))
|
||
continue;
|
||
|
||
print_spaces_filtered (level + 4, stream);
|
||
if (TYPE_FIELD_STATIC (type, i))
|
||
{
|
||
fprintf_filtered (stream, "static ");
|
||
}
|
||
type_print_1 (TYPE_FIELD_TYPE (type, i),
|
||
TYPE_FIELD_NAME (type, i),
|
||
stream, show - 1, level + 4);
|
||
if (!TYPE_FIELD_STATIC (type, i)
|
||
&& TYPE_FIELD_PACKED (type, i))
|
||
{
|
||
/* It is a bitfield. This code does not attempt
|
||
to look at the bitpos and reconstruct filler,
|
||
unnamed fields. This would lead to misleading
|
||
results if the compiler does not put out fields
|
||
for such things (I don't know what it does). */
|
||
fprintf_filtered (stream, " : %d",
|
||
TYPE_FIELD_BITSIZE (type, i));
|
||
}
|
||
fprintf_filtered (stream, ";\n");
|
||
}
|
||
|
||
/* C++: print out the methods */
|
||
len = TYPE_NFN_FIELDS (type);
|
||
if (len) fprintf_filtered (stream, "\n");
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
|
||
int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
|
||
|
||
for (j = 0; j < len2; j++)
|
||
{
|
||
QUIT;
|
||
print_spaces_filtered (level + 4, stream);
|
||
if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
|
||
fprintf_filtered (stream, "virtual ");
|
||
else if (TYPE_FN_FIELD_STATIC_P (f, j))
|
||
fprintf_filtered (stream, "static ");
|
||
if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
|
||
{
|
||
/* Keep GDB from crashing here. */
|
||
fprintf (stream, "<undefined type> %s;\n",
|
||
TYPE_FN_FIELD_PHYSNAME (f, j));
|
||
break;
|
||
}
|
||
else
|
||
type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), "", stream, 0);
|
||
if (TYPE_FLAGS (TYPE_FN_FIELD_TYPE (f, j)) & TYPE_FLAG_STUB)
|
||
{
|
||
/* Build something we can demangle. */
|
||
char *strchr (), *gdb_mangle_typename ();
|
||
char *inner_name = gdb_mangle_typename (type);
|
||
char *mangled_name
|
||
= (char *)xmalloc (strlen (TYPE_FN_FIELDLIST_NAME (type, i))
|
||
+ strlen (inner_name)
|
||
+ strlen (TYPE_FN_FIELD_PHYSNAME (f, j))
|
||
+ 1);
|
||
char *demangled_name, *cplus_demangle ();
|
||
strcpy (mangled_name, TYPE_FN_FIELDLIST_NAME (type, i));
|
||
strcat (mangled_name, inner_name);
|
||
strcat (mangled_name, TYPE_FN_FIELD_PHYSNAME (f, j));
|
||
demangled_name = cplus_demangle (mangled_name, 1);
|
||
if (demangled_name == 0)
|
||
fprintf_filtered (stream, " <badly mangled name %s>",
|
||
mangled_name);
|
||
else
|
||
{
|
||
fprintf_filtered (stream, " %s",
|
||
strchr (demangled_name, ':') + 2);
|
||
free (demangled_name);
|
||
}
|
||
free (mangled_name);
|
||
}
|
||
else if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_'
|
||
&& TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER)
|
||
type_print_method_args
|
||
(TYPE_FN_FIELD_ARGS (f, j) + 1, "~",
|
||
TYPE_FN_FIELDLIST_NAME (type, i), 0, stream);
|
||
else
|
||
type_print_method_args
|
||
(TYPE_FN_FIELD_ARGS (f, j), "",
|
||
TYPE_FN_FIELDLIST_NAME (type, i),
|
||
TYPE_FN_FIELD_STATIC_P (f, j), stream);
|
||
|
||
fprintf_filtered (stream, ";\n");
|
||
}
|
||
}
|
||
|
||
print_spaces_filtered (level, stream);
|
||
fprintf_filtered (stream, "}");
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_ENUM:
|
||
fprintf_filtered (stream, "enum ");
|
||
if (name = type_name_no_tag (type))
|
||
{
|
||
fputs_filtered (name, stream);
|
||
fputs_filtered (" ", stream);
|
||
}
|
||
wrap_here (" ");
|
||
if (show < 0)
|
||
fprintf_filtered (stream, "{...}");
|
||
else
|
||
{
|
||
fprintf_filtered (stream, "{");
|
||
len = TYPE_NFIELDS (type);
|
||
lastval = 0;
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
QUIT;
|
||
if (i) fprintf_filtered (stream, ", ");
|
||
wrap_here (" ");
|
||
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
|
||
if (lastval != TYPE_FIELD_BITPOS (type, i))
|
||
{
|
||
fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
|
||
lastval = TYPE_FIELD_BITPOS (type, i);
|
||
}
|
||
lastval++;
|
||
}
|
||
fprintf_filtered (stream, "}");
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_INT:
|
||
if (TYPE_LENGTH (type) > sizeof (LONGEST))
|
||
{
|
||
fprintf_filtered (stream, "<%d bit integer>",
|
||
TYPE_LENGTH (type) * TARGET_CHAR_BIT);
|
||
}
|
||
else
|
||
{
|
||
if (TYPE_UNSIGNED (type))
|
||
name = unsigned_type_table[TYPE_LENGTH (type)];
|
||
else
|
||
name = signed_type_table[TYPE_LENGTH (type)];
|
||
}
|
||
fputs_filtered (name, stream);
|
||
break;
|
||
|
||
case TYPE_CODE_FLT:
|
||
name = float_type_table[TYPE_LENGTH (type)];
|
||
fputs_filtered (name, stream);
|
||
break;
|
||
|
||
case TYPE_CODE_VOID:
|
||
fprintf_filtered (stream, "void");
|
||
break;
|
||
|
||
case 0:
|
||
fprintf_filtered (stream, "struct unknown");
|
||
break;
|
||
|
||
case TYPE_CODE_ERROR:
|
||
fprintf_filtered (stream, "<unknown type>");
|
||
break;
|
||
|
||
default:
|
||
error ("Invalid type code in symbol table.");
|
||
}
|
||
}
|
||
|
||
#if 0
|
||
/* Validate an input or output radix setting, and make sure the user
|
||
knows what they really did here. Radix setting is confusing, e.g.
|
||
setting the input radix to "10" never changes it! */
|
||
|
||
/* ARGSUSED */
|
||
static void
|
||
set_input_radix (args, from_tty, c)
|
||
char *args;
|
||
int from_tty;
|
||
struct cmd_list_element *c;
|
||
{
|
||
unsigned radix = *(unsigned *)c->var;
|
||
|
||
if (from_tty)
|
||
printf_filtered ("Input radix set to decimal %d, hex %x, octal %o\n",
|
||
radix, radix, radix);
|
||
}
|
||
#endif
|
||
|
||
/* ARGSUSED */
|
||
static void
|
||
set_output_radix (args, from_tty, c)
|
||
char *args;
|
||
int from_tty;
|
||
struct cmd_list_element *c;
|
||
{
|
||
unsigned radix = *(unsigned *)c->var;
|
||
|
||
if (from_tty)
|
||
printf_filtered ("Output radix set to decimal %d, hex %x, octal %o\n",
|
||
radix, radix, radix);
|
||
|
||
/* FIXME, we really should be able to validate the setting BEFORE
|
||
it takes effect. */
|
||
switch (radix)
|
||
{
|
||
case 16:
|
||
output_format = 'x';
|
||
break;
|
||
case 10:
|
||
output_format = 0;
|
||
break;
|
||
case 8:
|
||
output_format = 'o'; /* octal */
|
||
break;
|
||
default:
|
||
output_format = 0;
|
||
error ("Unsupported radix ``decimal %d''; using decimal output",
|
||
radix);
|
||
}
|
||
}
|
||
|
||
/* Both at once */
|
||
static void
|
||
set_radix (arg, from_tty, c)
|
||
char *arg;
|
||
int from_tty;
|
||
struct cmd_list_element *c;
|
||
{
|
||
unsigned radix = *(unsigned *)c->var;
|
||
|
||
if (from_tty)
|
||
printf_filtered ("Radix set to decimal %d, hex %x, octal %o\n",
|
||
radix, radix, radix);
|
||
|
||
input_radix = radix;
|
||
output_radix = radix;
|
||
|
||
set_output_radix (arg, 0, c);
|
||
}
|
||
|
||
struct cmd_list_element *setprintlist = NULL;
|
||
struct cmd_list_element *showprintlist = NULL;
|
||
|
||
/*ARGSUSED*/
|
||
static void
|
||
set_print (arg, from_tty)
|
||
char *arg;
|
||
int from_tty;
|
||
{
|
||
printf (
|
||
"\"set print\" must be followed by the name of a print subcommand.\n");
|
||
help_list (setprintlist, "set print ", -1, stdout);
|
||
}
|
||
|
||
/*ARGSUSED*/
|
||
static void
|
||
show_print (args, from_tty)
|
||
char *args;
|
||
int from_tty;
|
||
{
|
||
cmd_show_list (showprintlist, from_tty, "");
|
||
}
|
||
|
||
void
|
||
_initialize_valprint ()
|
||
{
|
||
struct cmd_list_element *c;
|
||
|
||
add_prefix_cmd ("print", no_class, set_print,
|
||
"Generic command for setting how things print.",
|
||
&setprintlist, "set print ", 0, &setlist);
|
||
add_prefix_cmd ("print", no_class, show_print,
|
||
"Generic command for showing print settings.",
|
||
&showprintlist, "show print ", 0, &showlist);
|
||
|
||
add_show_from_set
|
||
(add_set_cmd ("elements", no_class, var_uinteger, (char *)&print_max,
|
||
"Set limit on string chars or array elements to print.\n\
|
||
\"set print elements 0\" causes there to be no limit.",
|
||
&setprintlist),
|
||
&showprintlist);
|
||
|
||
add_show_from_set
|
||
(add_set_cmd ("pretty", class_support, var_boolean, (char *)&prettyprint,
|
||
"Set prettyprinting of structures.",
|
||
&setprintlist),
|
||
&showprintlist);
|
||
|
||
add_show_from_set
|
||
(add_set_cmd ("union", class_support, var_boolean, (char *)&unionprint,
|
||
"Set printing of unions interior to structures.",
|
||
&setprintlist),
|
||
&showprintlist);
|
||
|
||
add_show_from_set
|
||
(add_set_cmd ("vtbl", class_support, var_boolean, (char *)&vtblprint,
|
||
"Set printing of C++ virtual function tables.",
|
||
&setprintlist),
|
||
&showprintlist);
|
||
|
||
add_show_from_set
|
||
(add_set_cmd ("array", class_support, var_boolean, (char *)&arrayprint,
|
||
"Set prettyprinting of arrays.",
|
||
&setprintlist),
|
||
&showprintlist);
|
||
|
||
add_show_from_set
|
||
(add_set_cmd ("object", class_support, var_boolean, (char *)&objectprint,
|
||
"Set printing of object's derived type based on vtable info.",
|
||
&setprintlist),
|
||
&showprintlist);
|
||
|
||
add_show_from_set
|
||
(add_set_cmd ("address", class_support, var_boolean, (char *)&addressprint,
|
||
"Set printing of addresses.",
|
||
&setprintlist),
|
||
&showprintlist);
|
||
|
||
#if 0
|
||
/* The "show radix" cmd isn't good enough to show two separate values.
|
||
The rest of the code works, but the show part is confusing, so don't
|
||
let them be set separately 'til we work out "show". */
|
||
c = add_set_cmd ("input-radix", class_support, var_uinteger,
|
||
(char *)&input_radix,
|
||
"Set default input radix for entering numbers.",
|
||
&setlist);
|
||
add_show_from_set (c, &showlist);
|
||
c->function = set_input_radix;
|
||
|
||
c = add_set_cmd ("output-radix", class_support, var_uinteger,
|
||
(char *)&output_radix,
|
||
"Set default output radix for printing of values.",
|
||
&setlist);
|
||
add_show_from_set (c, &showlist);
|
||
c->function = set_output_radix;
|
||
#endif
|
||
|
||
c = add_set_cmd ("radix", class_support, var_uinteger,
|
||
(char *)&output_radix,
|
||
"Set default input and output number radix.",
|
||
&setlist);
|
||
add_show_from_set (c, &showlist);
|
||
c->function = set_radix;
|
||
|
||
/* Give people the defaults which they are used to. */
|
||
prettyprint = 0;
|
||
unionprint = 1;
|
||
vtblprint = 0;
|
||
arrayprint = 0;
|
||
addressprint = 1;
|
||
objectprint = 0;
|
||
|
||
print_max = 200;
|
||
|
||
unsigned_type_table
|
||
= (char **) xmalloc ((1 + sizeof (unsigned LONGEST)) * sizeof (char *));
|
||
bzero (unsigned_type_table, (1 + sizeof (unsigned LONGEST)));
|
||
unsigned_type_table[sizeof (unsigned char)] = "unsigned char";
|
||
unsigned_type_table[sizeof (unsigned short)] = "unsigned short";
|
||
unsigned_type_table[sizeof (unsigned long)] = "unsigned long";
|
||
unsigned_type_table[sizeof (unsigned int)] = "unsigned int";
|
||
#ifdef LONG_LONG
|
||
unsigned_type_table[sizeof (unsigned long long)] = "unsigned long long";
|
||
#endif
|
||
|
||
signed_type_table
|
||
= (char **) xmalloc ((1 + sizeof (LONGEST)) * sizeof (char *));
|
||
bzero (signed_type_table, (1 + sizeof (LONGEST)));
|
||
signed_type_table[sizeof (char)] = "char";
|
||
signed_type_table[sizeof (short)] = "short";
|
||
signed_type_table[sizeof (long)] = "long";
|
||
signed_type_table[sizeof (int)] = "int";
|
||
#ifdef LONG_LONG
|
||
signed_type_table[sizeof (long long)] = "long long";
|
||
#endif
|
||
|
||
float_type_table
|
||
= (char **) xmalloc ((1 + sizeof (double)) * sizeof (char *));
|
||
bzero (float_type_table, (1 + sizeof (double)));
|
||
float_type_table[sizeof (float)] = "float";
|
||
float_type_table[sizeof (double)] = "double";
|
||
obstack_begin (&dont_print_obstack, 32 * sizeof (struct type *));
|
||
}
|