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jeremybenn |
/* Print values for GNU debugger GDB.
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Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
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1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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2008 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 3 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, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "gdb_string.h"
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#include "frame.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "value.h"
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#include "language.h"
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#include "expression.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 "breakpoint.h"
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#include "demangle.h"
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#include "valprint.h"
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#include "annotate.h"
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#include "symfile.h" /* for overlay functions */
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#include "objfiles.h" /* ditto */
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#include "completer.h" /* for completion functions */
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#include "ui-out.h"
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#include "gdb_assert.h"
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#include "block.h"
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#include "disasm.h"
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#include "dfp.h"
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#ifdef TUI
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#include "tui/tui.h" /* For tui_active et.al. */
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#endif
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49 |
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extern int asm_demangle; /* Whether to demangle syms in asm printouts */
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extern int addressprint; /* Whether to print hex addresses in HLL " */
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struct format_data
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{
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int count;
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char format;
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char size;
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};
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59 |
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/* Last specified output format. */
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static char last_format = 'x';
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/* Last specified examination size. 'b', 'h', 'w' or `q'. */
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static char last_size = 'w';
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/* Default address to examine next. */
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static CORE_ADDR next_address;
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71 |
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/* Number of delay instructions following current disassembled insn. */
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73 |
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static int branch_delay_insns;
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75 |
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/* Last address examined. */
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77 |
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static CORE_ADDR last_examine_address;
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/* Contents of last address examined.
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This is not valid past the end of the `x' command! */
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static struct value *last_examine_value;
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/* Largest offset between a symbolic value and an address, that will be
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printed as `0x1234 <symbol+offset>'. */
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static unsigned int max_symbolic_offset = UINT_MAX;
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static void
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show_max_symbolic_offset (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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fprintf_filtered (file, _("\
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The largest offset that will be printed in <symbol+1234> form is %s.\n"),
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value);
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}
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/* Append the source filename and linenumber of the symbol when
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printing a symbolic value as `<symbol at filename:linenum>' if set. */
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static int print_symbol_filename = 0;
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static void
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show_print_symbol_filename (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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fprintf_filtered (file, _("\
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Printing of source filename and line number with <symbol> is %s.\n"),
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value);
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}
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/* Number of auto-display expression currently being displayed.
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So that we can disable it if we get an error or a signal within it.
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-1 when not doing one. */
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int current_display_number;
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/* Flag to low-level print routines that this value is being printed
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in an epoch window. We'd like to pass this as a parameter, but
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every routine would need to take it. Perhaps we can encapsulate
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this in the I/O stream once we have GNU stdio. */
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int inspect_it = 0;
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struct display
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{
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/* Chain link to next auto-display item. */
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struct display *next;
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/* Expression to be evaluated and displayed. */
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struct expression *exp;
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/* Item number of this auto-display item. */
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int number;
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/* Display format specified. */
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struct format_data format;
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/* Innermost block required by this expression when evaluated */
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struct block *block;
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/* Status of this display (enabled or disabled) */
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int enabled_p;
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};
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/* Chain of expressions whose values should be displayed
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automatically each time the program stops. */
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static struct display *display_chain;
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static int display_number;
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/* Prototypes for exported functions. */
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void output_command (char *, int);
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void _initialize_printcmd (void);
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/* Prototypes for local functions. */
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static void do_one_display (struct display *);
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/* Decode a format specification. *STRING_PTR should point to it.
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OFORMAT and OSIZE are used as defaults for the format and size
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if none are given in the format specification.
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If OSIZE is zero, then the size field of the returned value
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should be set only if a size is explicitly specified by the
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user.
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The structure returned describes all the data
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found in the specification. In addition, *STRING_PTR is advanced
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past the specification and past all whitespace following it. */
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static struct format_data
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decode_format (char **string_ptr, int oformat, int osize)
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{
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struct format_data val;
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char *p = *string_ptr;
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val.format = '?';
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val.size = '?';
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val.count = 1;
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if (*p >= '0' && *p <= '9')
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val.count = atoi (p);
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while (*p >= '0' && *p <= '9')
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p++;
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/* Now process size or format letters that follow. */
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while (1)
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{
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if (*p == 'b' || *p == 'h' || *p == 'w' || *p == 'g')
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val.size = *p++;
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else if (*p >= 'a' && *p <= 'z')
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val.format = *p++;
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else
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break;
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}
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while (*p == ' ' || *p == '\t')
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p++;
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*string_ptr = p;
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/* Set defaults for format and size if not specified. */
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if (val.format == '?')
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{
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if (val.size == '?')
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{
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/* Neither has been specified. */
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val.format = oformat;
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val.size = osize;
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}
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else
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/* If a size is specified, any format makes a reasonable
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default except 'i'. */
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val.format = oformat == 'i' ? 'x' : oformat;
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}
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else if (val.size == '?')
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switch (val.format)
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{
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case 'a':
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case 's':
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/* Pick the appropriate size for an address. */
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if (gdbarch_ptr_bit (current_gdbarch) == 64)
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val.size = osize ? 'g' : osize;
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else if (gdbarch_ptr_bit (current_gdbarch) == 32)
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val.size = osize ? 'w' : osize;
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else if (gdbarch_ptr_bit (current_gdbarch) == 16)
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val.size = osize ? 'h' : osize;
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else
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/* Bad value for gdbarch_ptr_bit. */
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internal_error (__FILE__, __LINE__,
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_("failed internal consistency check"));
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break;
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case 'f':
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/* Floating point has to be word or giantword. */
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if (osize == 'w' || osize == 'g')
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val.size = osize;
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else
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/* Default it to giantword if the last used size is not
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appropriate. */
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val.size = osize ? 'g' : osize;
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break;
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case 'c':
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/* Characters default to one byte. */
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val.size = osize ? 'b' : osize;
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break;
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default:
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/* The default is the size most recently specified. */
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val.size = osize;
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}
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return val;
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}
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/* Print value VAL on stream according to FORMAT, a letter or 0.
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Do not end with a newline.
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SIZE is the letter for the size of datum being printed.
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This is used to pad hex numbers so they line up. SIZE is 0
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for print / output and set for examine. */
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static void
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print_formatted (struct value *val, int format, int size,
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struct ui_file *stream)
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{
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struct type *type = check_typedef (value_type (val));
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int len = TYPE_LENGTH (type);
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if (VALUE_LVAL (val) == lval_memory)
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next_address = VALUE_ADDRESS (val) + len;
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if (size)
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{
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switch (format)
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{
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case 's':
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/* FIXME: Need to handle wchar_t's here... */
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next_address = VALUE_ADDRESS (val)
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+ val_print_string (VALUE_ADDRESS (val), -1, 1, stream);
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return;
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case 'i':
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/* We often wrap here if there are long symbolic names. */
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wrap_here (" ");
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next_address = (VALUE_ADDRESS (val)
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+ gdb_print_insn (VALUE_ADDRESS (val), stream,
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&branch_delay_insns));
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283 |
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return;
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284 |
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}
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285 |
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}
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286 |
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287 |
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if (format == 0 || format == 's'
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288 |
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|| TYPE_CODE (type) == TYPE_CODE_REF
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289 |
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|| TYPE_CODE (type) == TYPE_CODE_ARRAY
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290 |
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|| TYPE_CODE (type) == TYPE_CODE_STRING
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291 |
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|| TYPE_CODE (type) == TYPE_CODE_STRUCT
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292 |
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|| TYPE_CODE (type) == TYPE_CODE_UNION
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293 |
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|| TYPE_CODE (type) == TYPE_CODE_NAMESPACE)
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294 |
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/* If format is 0, use the 'natural' format for that type of
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295 |
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value. If the type is non-scalar, we have to use language
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296 |
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rules to print it as a series of scalars. */
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297 |
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value_print (val, stream, format, Val_pretty_default);
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298 |
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else
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299 |
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/* User specified format, so don't look to the the type to
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300 |
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tell us what to do. */
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301 |
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print_scalar_formatted (value_contents (val), type,
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302 |
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format, size, stream);
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303 |
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}
|
304 |
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|
305 |
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/* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
|
306 |
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according to letters FORMAT and SIZE on STREAM.
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307 |
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FORMAT may not be zero. Formats s and i are not supported at this level.
|
308 |
|
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|
309 |
|
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This is how the elements of an array or structure are printed
|
310 |
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with a format. */
|
311 |
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|
312 |
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void
|
313 |
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print_scalar_formatted (const void *valaddr, struct type *type,
|
314 |
|
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int format, int size, struct ui_file *stream)
|
315 |
|
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{
|
316 |
|
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LONGEST val_long = 0;
|
317 |
|
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unsigned int len = TYPE_LENGTH (type);
|
318 |
|
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|
319 |
|
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/* If we get here with a string format, try again without it. Go
|
320 |
|
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all the way back to the language printers, which may call us
|
321 |
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again. */
|
322 |
|
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if (format == 's')
|
323 |
|
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{
|
324 |
|
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val_print (type, valaddr, 0, 0, stream, 0, 0, 0, Val_pretty_default);
|
325 |
|
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return;
|
326 |
|
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}
|
327 |
|
|
|
328 |
|
|
if (len > sizeof(LONGEST) &&
|
329 |
|
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(TYPE_CODE (type) == TYPE_CODE_INT
|
330 |
|
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|| TYPE_CODE (type) == TYPE_CODE_ENUM))
|
331 |
|
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{
|
332 |
|
|
switch (format)
|
333 |
|
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{
|
334 |
|
|
case 'o':
|
335 |
|
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print_octal_chars (stream, valaddr, len);
|
336 |
|
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return;
|
337 |
|
|
case 'u':
|
338 |
|
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case 'd':
|
339 |
|
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print_decimal_chars (stream, valaddr, len);
|
340 |
|
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return;
|
341 |
|
|
case 't':
|
342 |
|
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print_binary_chars (stream, valaddr, len);
|
343 |
|
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return;
|
344 |
|
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case 'x':
|
345 |
|
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print_hex_chars (stream, valaddr, len);
|
346 |
|
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return;
|
347 |
|
|
case 'c':
|
348 |
|
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print_char_chars (stream, valaddr, len);
|
349 |
|
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return;
|
350 |
|
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default:
|
351 |
|
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break;
|
352 |
|
|
};
|
353 |
|
|
}
|
354 |
|
|
|
355 |
|
|
if (format != 'f')
|
356 |
|
|
val_long = unpack_long (type, valaddr);
|
357 |
|
|
|
358 |
|
|
/* If the value is a pointer, and pointers and addresses are not the
|
359 |
|
|
same, then at this point, the value's length (in target bytes) is
|
360 |
|
|
gdbarch_addr_bit/TARGET_CHAR_BIT, not TYPE_LENGTH (type). */
|
361 |
|
|
if (TYPE_CODE (type) == TYPE_CODE_PTR)
|
362 |
|
|
len = gdbarch_addr_bit (current_gdbarch) / TARGET_CHAR_BIT;
|
363 |
|
|
|
364 |
|
|
/* If we are printing it as unsigned, truncate it in case it is actually
|
365 |
|
|
a negative signed value (e.g. "print/u (short)-1" should print 65535
|
366 |
|
|
(if shorts are 16 bits) instead of 4294967295). */
|
367 |
|
|
if (format != 'd')
|
368 |
|
|
{
|
369 |
|
|
if (len < sizeof (LONGEST))
|
370 |
|
|
val_long &= ((LONGEST) 1 << HOST_CHAR_BIT * len) - 1;
|
371 |
|
|
}
|
372 |
|
|
|
373 |
|
|
switch (format)
|
374 |
|
|
{
|
375 |
|
|
case 'x':
|
376 |
|
|
if (!size)
|
377 |
|
|
{
|
378 |
|
|
/* No size specified, like in print. Print varying # of digits. */
|
379 |
|
|
print_longest (stream, 'x', 1, val_long);
|
380 |
|
|
}
|
381 |
|
|
else
|
382 |
|
|
switch (size)
|
383 |
|
|
{
|
384 |
|
|
case 'b':
|
385 |
|
|
case 'h':
|
386 |
|
|
case 'w':
|
387 |
|
|
case 'g':
|
388 |
|
|
print_longest (stream, size, 1, val_long);
|
389 |
|
|
break;
|
390 |
|
|
default:
|
391 |
|
|
error (_("Undefined output size \"%c\"."), size);
|
392 |
|
|
}
|
393 |
|
|
break;
|
394 |
|
|
|
395 |
|
|
case 'd':
|
396 |
|
|
print_longest (stream, 'd', 1, val_long);
|
397 |
|
|
break;
|
398 |
|
|
|
399 |
|
|
case 'u':
|
400 |
|
|
print_longest (stream, 'u', 0, val_long);
|
401 |
|
|
break;
|
402 |
|
|
|
403 |
|
|
case 'o':
|
404 |
|
|
if (val_long)
|
405 |
|
|
print_longest (stream, 'o', 1, val_long);
|
406 |
|
|
else
|
407 |
|
|
fprintf_filtered (stream, "0");
|
408 |
|
|
break;
|
409 |
|
|
|
410 |
|
|
case 'a':
|
411 |
|
|
{
|
412 |
|
|
CORE_ADDR addr = unpack_pointer (type, valaddr);
|
413 |
|
|
print_address (addr, stream);
|
414 |
|
|
}
|
415 |
|
|
break;
|
416 |
|
|
|
417 |
|
|
case 'c':
|
418 |
|
|
if (TYPE_UNSIGNED (type))
|
419 |
|
|
{
|
420 |
|
|
struct type *utype;
|
421 |
|
|
|
422 |
|
|
utype = builtin_type (current_gdbarch)->builtin_true_unsigned_char;
|
423 |
|
|
value_print (value_from_longest (utype, val_long),
|
424 |
|
|
stream, 0, Val_pretty_default);
|
425 |
|
|
}
|
426 |
|
|
else
|
427 |
|
|
value_print (value_from_longest (builtin_type_true_char, val_long),
|
428 |
|
|
stream, 0, Val_pretty_default);
|
429 |
|
|
break;
|
430 |
|
|
|
431 |
|
|
case 'f':
|
432 |
|
|
if (len == TYPE_LENGTH (builtin_type_float))
|
433 |
|
|
type = builtin_type_float;
|
434 |
|
|
else if (len == TYPE_LENGTH (builtin_type_double))
|
435 |
|
|
type = builtin_type_double;
|
436 |
|
|
else if (len == TYPE_LENGTH (builtin_type_long_double))
|
437 |
|
|
type = builtin_type_long_double;
|
438 |
|
|
print_floating (valaddr, type, stream);
|
439 |
|
|
break;
|
440 |
|
|
|
441 |
|
|
case 0:
|
442 |
|
|
internal_error (__FILE__, __LINE__,
|
443 |
|
|
_("failed internal consistency check"));
|
444 |
|
|
|
445 |
|
|
case 't':
|
446 |
|
|
/* Binary; 't' stands for "two". */
|
447 |
|
|
{
|
448 |
|
|
char bits[8 * (sizeof val_long) + 1];
|
449 |
|
|
char buf[8 * (sizeof val_long) + 32];
|
450 |
|
|
char *cp = bits;
|
451 |
|
|
int width;
|
452 |
|
|
|
453 |
|
|
if (!size)
|
454 |
|
|
width = 8 * (sizeof val_long);
|
455 |
|
|
else
|
456 |
|
|
switch (size)
|
457 |
|
|
{
|
458 |
|
|
case 'b':
|
459 |
|
|
width = 8;
|
460 |
|
|
break;
|
461 |
|
|
case 'h':
|
462 |
|
|
width = 16;
|
463 |
|
|
break;
|
464 |
|
|
case 'w':
|
465 |
|
|
width = 32;
|
466 |
|
|
break;
|
467 |
|
|
case 'g':
|
468 |
|
|
width = 64;
|
469 |
|
|
break;
|
470 |
|
|
default:
|
471 |
|
|
error (_("Undefined output size \"%c\"."), size);
|
472 |
|
|
}
|
473 |
|
|
|
474 |
|
|
bits[width] = '\0';
|
475 |
|
|
while (width-- > 0)
|
476 |
|
|
{
|
477 |
|
|
bits[width] = (val_long & 1) ? '1' : '0';
|
478 |
|
|
val_long >>= 1;
|
479 |
|
|
}
|
480 |
|
|
if (!size)
|
481 |
|
|
{
|
482 |
|
|
while (*cp && *cp == '0')
|
483 |
|
|
cp++;
|
484 |
|
|
if (*cp == '\0')
|
485 |
|
|
cp--;
|
486 |
|
|
}
|
487 |
|
|
strcpy (buf, cp);
|
488 |
|
|
fputs_filtered (buf, stream);
|
489 |
|
|
}
|
490 |
|
|
break;
|
491 |
|
|
|
492 |
|
|
default:
|
493 |
|
|
error (_("Undefined output format \"%c\"."), format);
|
494 |
|
|
}
|
495 |
|
|
}
|
496 |
|
|
|
497 |
|
|
/* Specify default address for `x' command.
|
498 |
|
|
The `info lines' command uses this. */
|
499 |
|
|
|
500 |
|
|
void
|
501 |
|
|
set_next_address (CORE_ADDR addr)
|
502 |
|
|
{
|
503 |
|
|
next_address = addr;
|
504 |
|
|
|
505 |
|
|
/* Make address available to the user as $_. */
|
506 |
|
|
set_internalvar (lookup_internalvar ("_"),
|
507 |
|
|
value_from_pointer (lookup_pointer_type (builtin_type_void),
|
508 |
|
|
addr));
|
509 |
|
|
}
|
510 |
|
|
|
511 |
|
|
/* Optionally print address ADDR symbolically as <SYMBOL+OFFSET> on STREAM,
|
512 |
|
|
after LEADIN. Print nothing if no symbolic name is found nearby.
|
513 |
|
|
Optionally also print source file and line number, if available.
|
514 |
|
|
DO_DEMANGLE controls whether to print a symbol in its native "raw" form,
|
515 |
|
|
or to interpret it as a possible C++ name and convert it back to source
|
516 |
|
|
form. However note that DO_DEMANGLE can be overridden by the specific
|
517 |
|
|
settings of the demangle and asm_demangle variables. */
|
518 |
|
|
|
519 |
|
|
void
|
520 |
|
|
print_address_symbolic (CORE_ADDR addr, struct ui_file *stream,
|
521 |
|
|
int do_demangle, char *leadin)
|
522 |
|
|
{
|
523 |
|
|
char *name = NULL;
|
524 |
|
|
char *filename = NULL;
|
525 |
|
|
int unmapped = 0;
|
526 |
|
|
int offset = 0;
|
527 |
|
|
int line = 0;
|
528 |
|
|
|
529 |
|
|
/* Throw away both name and filename. */
|
530 |
|
|
struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &name);
|
531 |
|
|
make_cleanup (free_current_contents, &filename);
|
532 |
|
|
|
533 |
|
|
if (build_address_symbolic (addr, do_demangle, &name, &offset,
|
534 |
|
|
&filename, &line, &unmapped))
|
535 |
|
|
{
|
536 |
|
|
do_cleanups (cleanup_chain);
|
537 |
|
|
return;
|
538 |
|
|
}
|
539 |
|
|
|
540 |
|
|
fputs_filtered (leadin, stream);
|
541 |
|
|
if (unmapped)
|
542 |
|
|
fputs_filtered ("<*", stream);
|
543 |
|
|
else
|
544 |
|
|
fputs_filtered ("<", stream);
|
545 |
|
|
fputs_filtered (name, stream);
|
546 |
|
|
if (offset != 0)
|
547 |
|
|
fprintf_filtered (stream, "+%u", (unsigned int) offset);
|
548 |
|
|
|
549 |
|
|
/* Append source filename and line number if desired. Give specific
|
550 |
|
|
line # of this addr, if we have it; else line # of the nearest symbol. */
|
551 |
|
|
if (print_symbol_filename && filename != NULL)
|
552 |
|
|
{
|
553 |
|
|
if (line != -1)
|
554 |
|
|
fprintf_filtered (stream, " at %s:%d", filename, line);
|
555 |
|
|
else
|
556 |
|
|
fprintf_filtered (stream, " in %s", filename);
|
557 |
|
|
}
|
558 |
|
|
if (unmapped)
|
559 |
|
|
fputs_filtered ("*>", stream);
|
560 |
|
|
else
|
561 |
|
|
fputs_filtered (">", stream);
|
562 |
|
|
|
563 |
|
|
do_cleanups (cleanup_chain);
|
564 |
|
|
}
|
565 |
|
|
|
566 |
|
|
/* Given an address ADDR return all the elements needed to print the
|
567 |
|
|
address in a symbolic form. NAME can be mangled or not depending
|
568 |
|
|
on DO_DEMANGLE (and also on the asm_demangle global variable,
|
569 |
|
|
manipulated via ''set print asm-demangle''). Return 0 in case of
|
570 |
|
|
success, when all the info in the OUT paramters is valid. Return 1
|
571 |
|
|
otherwise. */
|
572 |
|
|
int
|
573 |
|
|
build_address_symbolic (CORE_ADDR addr, /* IN */
|
574 |
|
|
int do_demangle, /* IN */
|
575 |
|
|
char **name, /* OUT */
|
576 |
|
|
int *offset, /* OUT */
|
577 |
|
|
char **filename, /* OUT */
|
578 |
|
|
int *line, /* OUT */
|
579 |
|
|
int *unmapped) /* OUT */
|
580 |
|
|
{
|
581 |
|
|
struct minimal_symbol *msymbol;
|
582 |
|
|
struct symbol *symbol;
|
583 |
|
|
CORE_ADDR name_location = 0;
|
584 |
|
|
asection *section = 0;
|
585 |
|
|
char *name_temp = "";
|
586 |
|
|
|
587 |
|
|
/* Let's say it is unmapped. */
|
588 |
|
|
*unmapped = 0;
|
589 |
|
|
|
590 |
|
|
/* Determine if the address is in an overlay, and whether it is
|
591 |
|
|
mapped. */
|
592 |
|
|
if (overlay_debugging)
|
593 |
|
|
{
|
594 |
|
|
section = find_pc_overlay (addr);
|
595 |
|
|
if (pc_in_unmapped_range (addr, section))
|
596 |
|
|
{
|
597 |
|
|
*unmapped = 1;
|
598 |
|
|
addr = overlay_mapped_address (addr, section);
|
599 |
|
|
}
|
600 |
|
|
}
|
601 |
|
|
|
602 |
|
|
/* First try to find the address in the symbol table, then
|
603 |
|
|
in the minsyms. Take the closest one. */
|
604 |
|
|
|
605 |
|
|
/* This is defective in the sense that it only finds text symbols. So
|
606 |
|
|
really this is kind of pointless--we should make sure that the
|
607 |
|
|
minimal symbols have everything we need (by changing that we could
|
608 |
|
|
save some memory, but for many debug format--ELF/DWARF or
|
609 |
|
|
anything/stabs--it would be inconvenient to eliminate those minimal
|
610 |
|
|
symbols anyway). */
|
611 |
|
|
msymbol = lookup_minimal_symbol_by_pc_section (addr, section);
|
612 |
|
|
symbol = find_pc_sect_function (addr, section);
|
613 |
|
|
|
614 |
|
|
if (symbol)
|
615 |
|
|
{
|
616 |
|
|
name_location = BLOCK_START (SYMBOL_BLOCK_VALUE (symbol));
|
617 |
|
|
if (do_demangle || asm_demangle)
|
618 |
|
|
name_temp = SYMBOL_PRINT_NAME (symbol);
|
619 |
|
|
else
|
620 |
|
|
name_temp = DEPRECATED_SYMBOL_NAME (symbol);
|
621 |
|
|
}
|
622 |
|
|
|
623 |
|
|
if (msymbol != NULL)
|
624 |
|
|
{
|
625 |
|
|
if (SYMBOL_VALUE_ADDRESS (msymbol) > name_location || symbol == NULL)
|
626 |
|
|
{
|
627 |
|
|
/* The msymbol is closer to the address than the symbol;
|
628 |
|
|
use the msymbol instead. */
|
629 |
|
|
symbol = 0;
|
630 |
|
|
name_location = SYMBOL_VALUE_ADDRESS (msymbol);
|
631 |
|
|
if (do_demangle || asm_demangle)
|
632 |
|
|
name_temp = SYMBOL_PRINT_NAME (msymbol);
|
633 |
|
|
else
|
634 |
|
|
name_temp = DEPRECATED_SYMBOL_NAME (msymbol);
|
635 |
|
|
}
|
636 |
|
|
}
|
637 |
|
|
if (symbol == NULL && msymbol == NULL)
|
638 |
|
|
return 1;
|
639 |
|
|
|
640 |
|
|
/* If the nearest symbol is too far away, don't print anything symbolic. */
|
641 |
|
|
|
642 |
|
|
/* For when CORE_ADDR is larger than unsigned int, we do math in
|
643 |
|
|
CORE_ADDR. But when we detect unsigned wraparound in the
|
644 |
|
|
CORE_ADDR math, we ignore this test and print the offset,
|
645 |
|
|
because addr+max_symbolic_offset has wrapped through the end
|
646 |
|
|
of the address space back to the beginning, giving bogus comparison. */
|
647 |
|
|
if (addr > name_location + max_symbolic_offset
|
648 |
|
|
&& name_location + max_symbolic_offset > name_location)
|
649 |
|
|
return 1;
|
650 |
|
|
|
651 |
|
|
*offset = addr - name_location;
|
652 |
|
|
|
653 |
|
|
*name = xstrdup (name_temp);
|
654 |
|
|
|
655 |
|
|
if (print_symbol_filename)
|
656 |
|
|
{
|
657 |
|
|
struct symtab_and_line sal;
|
658 |
|
|
|
659 |
|
|
sal = find_pc_sect_line (addr, section, 0);
|
660 |
|
|
|
661 |
|
|
if (sal.symtab)
|
662 |
|
|
{
|
663 |
|
|
*filename = xstrdup (sal.symtab->filename);
|
664 |
|
|
*line = sal.line;
|
665 |
|
|
}
|
666 |
|
|
}
|
667 |
|
|
return 0;
|
668 |
|
|
}
|
669 |
|
|
|
670 |
|
|
/* Print address ADDR on STREAM. USE_LOCAL means the same thing as for
|
671 |
|
|
print_longest. */
|
672 |
|
|
void
|
673 |
|
|
deprecated_print_address_numeric (CORE_ADDR addr, int use_local,
|
674 |
|
|
struct ui_file *stream)
|
675 |
|
|
{
|
676 |
|
|
if (use_local)
|
677 |
|
|
fputs_filtered (paddress (addr), stream);
|
678 |
|
|
else
|
679 |
|
|
{
|
680 |
|
|
int addr_bit = gdbarch_addr_bit (current_gdbarch);
|
681 |
|
|
|
682 |
|
|
if (addr_bit < (sizeof (CORE_ADDR) * HOST_CHAR_BIT))
|
683 |
|
|
addr &= ((CORE_ADDR) 1 << addr_bit) - 1;
|
684 |
|
|
print_longest (stream, 'x', 0, (ULONGEST) addr);
|
685 |
|
|
}
|
686 |
|
|
}
|
687 |
|
|
|
688 |
|
|
/* Print address ADDR symbolically on STREAM.
|
689 |
|
|
First print it as a number. Then perhaps print
|
690 |
|
|
<SYMBOL + OFFSET> after the number. */
|
691 |
|
|
|
692 |
|
|
void
|
693 |
|
|
print_address (CORE_ADDR addr, struct ui_file *stream)
|
694 |
|
|
{
|
695 |
|
|
fputs_filtered (paddress (addr), stream);
|
696 |
|
|
print_address_symbolic (addr, stream, asm_demangle, " ");
|
697 |
|
|
}
|
698 |
|
|
|
699 |
|
|
/* Print address ADDR symbolically on STREAM. Parameter DEMANGLE
|
700 |
|
|
controls whether to print the symbolic name "raw" or demangled.
|
701 |
|
|
Global setting "addressprint" controls whether to print hex address
|
702 |
|
|
or not. */
|
703 |
|
|
|
704 |
|
|
void
|
705 |
|
|
print_address_demangle (CORE_ADDR addr, struct ui_file *stream,
|
706 |
|
|
int do_demangle)
|
707 |
|
|
{
|
708 |
|
|
if (addr == 0)
|
709 |
|
|
{
|
710 |
|
|
fprintf_filtered (stream, "0");
|
711 |
|
|
}
|
712 |
|
|
else if (addressprint)
|
713 |
|
|
{
|
714 |
|
|
fputs_filtered (paddress (addr), stream);
|
715 |
|
|
print_address_symbolic (addr, stream, do_demangle, " ");
|
716 |
|
|
}
|
717 |
|
|
else
|
718 |
|
|
{
|
719 |
|
|
print_address_symbolic (addr, stream, do_demangle, "");
|
720 |
|
|
}
|
721 |
|
|
}
|
722 |
|
|
|
723 |
|
|
|
724 |
|
|
/* These are the types that $__ will get after an examine command of one
|
725 |
|
|
of these sizes. */
|
726 |
|
|
|
727 |
|
|
static struct type *examine_i_type;
|
728 |
|
|
|
729 |
|
|
static struct type *examine_b_type;
|
730 |
|
|
static struct type *examine_h_type;
|
731 |
|
|
static struct type *examine_w_type;
|
732 |
|
|
static struct type *examine_g_type;
|
733 |
|
|
|
734 |
|
|
/* Examine data at address ADDR in format FMT.
|
735 |
|
|
Fetch it from memory and print on gdb_stdout. */
|
736 |
|
|
|
737 |
|
|
static void
|
738 |
|
|
do_examine (struct format_data fmt, CORE_ADDR addr)
|
739 |
|
|
{
|
740 |
|
|
char format = 0;
|
741 |
|
|
char size;
|
742 |
|
|
int count = 1;
|
743 |
|
|
struct type *val_type = NULL;
|
744 |
|
|
int i;
|
745 |
|
|
int maxelts;
|
746 |
|
|
|
747 |
|
|
format = fmt.format;
|
748 |
|
|
size = fmt.size;
|
749 |
|
|
count = fmt.count;
|
750 |
|
|
next_address = addr;
|
751 |
|
|
|
752 |
|
|
/* String or instruction format implies fetch single bytes
|
753 |
|
|
regardless of the specified size. */
|
754 |
|
|
if (format == 's' || format == 'i')
|
755 |
|
|
size = 'b';
|
756 |
|
|
|
757 |
|
|
if (format == 'i')
|
758 |
|
|
val_type = examine_i_type;
|
759 |
|
|
else if (size == 'b')
|
760 |
|
|
val_type = examine_b_type;
|
761 |
|
|
else if (size == 'h')
|
762 |
|
|
val_type = examine_h_type;
|
763 |
|
|
else if (size == 'w')
|
764 |
|
|
val_type = examine_w_type;
|
765 |
|
|
else if (size == 'g')
|
766 |
|
|
val_type = examine_g_type;
|
767 |
|
|
|
768 |
|
|
maxelts = 8;
|
769 |
|
|
if (size == 'w')
|
770 |
|
|
maxelts = 4;
|
771 |
|
|
if (size == 'g')
|
772 |
|
|
maxelts = 2;
|
773 |
|
|
if (format == 's' || format == 'i')
|
774 |
|
|
maxelts = 1;
|
775 |
|
|
|
776 |
|
|
/* Print as many objects as specified in COUNT, at most maxelts per line,
|
777 |
|
|
with the address of the next one at the start of each line. */
|
778 |
|
|
|
779 |
|
|
while (count > 0)
|
780 |
|
|
{
|
781 |
|
|
QUIT;
|
782 |
|
|
print_address (next_address, gdb_stdout);
|
783 |
|
|
printf_filtered (":");
|
784 |
|
|
for (i = maxelts;
|
785 |
|
|
i > 0 && count > 0;
|
786 |
|
|
i--, count--)
|
787 |
|
|
{
|
788 |
|
|
printf_filtered ("\t");
|
789 |
|
|
/* Note that print_formatted sets next_address for the next
|
790 |
|
|
object. */
|
791 |
|
|
last_examine_address = next_address;
|
792 |
|
|
|
793 |
|
|
if (last_examine_value)
|
794 |
|
|
value_free (last_examine_value);
|
795 |
|
|
|
796 |
|
|
/* The value to be displayed is not fetched greedily.
|
797 |
|
|
Instead, to avoid the possibility of a fetched value not
|
798 |
|
|
being used, its retrieval is delayed until the print code
|
799 |
|
|
uses it. When examining an instruction stream, the
|
800 |
|
|
disassembler will perform its own memory fetch using just
|
801 |
|
|
the address stored in LAST_EXAMINE_VALUE. FIXME: Should
|
802 |
|
|
the disassembler be modified so that LAST_EXAMINE_VALUE
|
803 |
|
|
is left with the byte sequence from the last complete
|
804 |
|
|
instruction fetched from memory? */
|
805 |
|
|
last_examine_value = value_at_lazy (val_type, next_address);
|
806 |
|
|
|
807 |
|
|
if (last_examine_value)
|
808 |
|
|
release_value (last_examine_value);
|
809 |
|
|
|
810 |
|
|
print_formatted (last_examine_value, format, size, gdb_stdout);
|
811 |
|
|
|
812 |
|
|
/* Display any branch delay slots following the final insn. */
|
813 |
|
|
if (format == 'i' && count == 1)
|
814 |
|
|
count += branch_delay_insns;
|
815 |
|
|
}
|
816 |
|
|
printf_filtered ("\n");
|
817 |
|
|
gdb_flush (gdb_stdout);
|
818 |
|
|
}
|
819 |
|
|
}
|
820 |
|
|
|
821 |
|
|
static void
|
822 |
|
|
validate_format (struct format_data fmt, char *cmdname)
|
823 |
|
|
{
|
824 |
|
|
if (fmt.size != 0)
|
825 |
|
|
error (_("Size letters are meaningless in \"%s\" command."), cmdname);
|
826 |
|
|
if (fmt.count != 1)
|
827 |
|
|
error (_("Item count other than 1 is meaningless in \"%s\" command."),
|
828 |
|
|
cmdname);
|
829 |
|
|
if (fmt.format == 'i')
|
830 |
|
|
error (_("Format letter \"%c\" is meaningless in \"%s\" command."),
|
831 |
|
|
fmt.format, cmdname);
|
832 |
|
|
}
|
833 |
|
|
|
834 |
|
|
/* Evaluate string EXP as an expression in the current language and
|
835 |
|
|
print the resulting value. EXP may contain a format specifier as the
|
836 |
|
|
first argument ("/x myvar" for example, to print myvar in hex). */
|
837 |
|
|
|
838 |
|
|
static void
|
839 |
|
|
print_command_1 (char *exp, int inspect, int voidprint)
|
840 |
|
|
{
|
841 |
|
|
struct expression *expr;
|
842 |
|
|
struct cleanup *old_chain = 0;
|
843 |
|
|
char format = 0;
|
844 |
|
|
struct value *val;
|
845 |
|
|
struct format_data fmt;
|
846 |
|
|
int cleanup = 0;
|
847 |
|
|
|
848 |
|
|
/* Pass inspect flag to the rest of the print routines in a global
|
849 |
|
|
(sigh). */
|
850 |
|
|
inspect_it = inspect;
|
851 |
|
|
|
852 |
|
|
if (exp && *exp == '/')
|
853 |
|
|
{
|
854 |
|
|
exp++;
|
855 |
|
|
fmt = decode_format (&exp, last_format, 0);
|
856 |
|
|
validate_format (fmt, "print");
|
857 |
|
|
last_format = format = fmt.format;
|
858 |
|
|
}
|
859 |
|
|
else
|
860 |
|
|
{
|
861 |
|
|
fmt.count = 1;
|
862 |
|
|
fmt.format = 0;
|
863 |
|
|
fmt.size = 0;
|
864 |
|
|
}
|
865 |
|
|
|
866 |
|
|
if (exp && *exp)
|
867 |
|
|
{
|
868 |
|
|
struct type *type;
|
869 |
|
|
expr = parse_expression (exp);
|
870 |
|
|
old_chain = make_cleanup (free_current_contents, &expr);
|
871 |
|
|
cleanup = 1;
|
872 |
|
|
val = evaluate_expression (expr);
|
873 |
|
|
}
|
874 |
|
|
else
|
875 |
|
|
val = access_value_history (0);
|
876 |
|
|
|
877 |
|
|
if (voidprint || (val && value_type (val) &&
|
878 |
|
|
TYPE_CODE (value_type (val)) != TYPE_CODE_VOID))
|
879 |
|
|
{
|
880 |
|
|
int histindex = record_latest_value (val);
|
881 |
|
|
|
882 |
|
|
if (histindex >= 0)
|
883 |
|
|
annotate_value_history_begin (histindex, value_type (val));
|
884 |
|
|
else
|
885 |
|
|
annotate_value_begin (value_type (val));
|
886 |
|
|
|
887 |
|
|
if (inspect)
|
888 |
|
|
printf_unfiltered ("\031(gdb-makebuffer \"%s\" %d '(\"",
|
889 |
|
|
exp, histindex);
|
890 |
|
|
else if (histindex >= 0)
|
891 |
|
|
printf_filtered ("$%d = ", histindex);
|
892 |
|
|
|
893 |
|
|
if (histindex >= 0)
|
894 |
|
|
annotate_value_history_value ();
|
895 |
|
|
|
896 |
|
|
print_formatted (val, format, fmt.size, gdb_stdout);
|
897 |
|
|
printf_filtered ("\n");
|
898 |
|
|
|
899 |
|
|
if (histindex >= 0)
|
900 |
|
|
annotate_value_history_end ();
|
901 |
|
|
else
|
902 |
|
|
annotate_value_end ();
|
903 |
|
|
|
904 |
|
|
if (inspect)
|
905 |
|
|
printf_unfiltered ("\") )\030");
|
906 |
|
|
}
|
907 |
|
|
|
908 |
|
|
if (cleanup)
|
909 |
|
|
do_cleanups (old_chain);
|
910 |
|
|
inspect_it = 0; /* Reset print routines to normal. */
|
911 |
|
|
}
|
912 |
|
|
|
913 |
|
|
static void
|
914 |
|
|
print_command (char *exp, int from_tty)
|
915 |
|
|
{
|
916 |
|
|
print_command_1 (exp, 0, 1);
|
917 |
|
|
}
|
918 |
|
|
|
919 |
|
|
/* Same as print, except in epoch, it gets its own window. */
|
920 |
|
|
static void
|
921 |
|
|
inspect_command (char *exp, int from_tty)
|
922 |
|
|
{
|
923 |
|
|
extern int epoch_interface;
|
924 |
|
|
|
925 |
|
|
print_command_1 (exp, epoch_interface, 1);
|
926 |
|
|
}
|
927 |
|
|
|
928 |
|
|
/* Same as print, except it doesn't print void results. */
|
929 |
|
|
static void
|
930 |
|
|
call_command (char *exp, int from_tty)
|
931 |
|
|
{
|
932 |
|
|
print_command_1 (exp, 0, 0);
|
933 |
|
|
}
|
934 |
|
|
|
935 |
|
|
void
|
936 |
|
|
output_command (char *exp, int from_tty)
|
937 |
|
|
{
|
938 |
|
|
struct expression *expr;
|
939 |
|
|
struct cleanup *old_chain;
|
940 |
|
|
char format = 0;
|
941 |
|
|
struct value *val;
|
942 |
|
|
struct format_data fmt;
|
943 |
|
|
|
944 |
|
|
fmt.size = 0;
|
945 |
|
|
|
946 |
|
|
if (exp && *exp == '/')
|
947 |
|
|
{
|
948 |
|
|
exp++;
|
949 |
|
|
fmt = decode_format (&exp, 0, 0);
|
950 |
|
|
validate_format (fmt, "output");
|
951 |
|
|
format = fmt.format;
|
952 |
|
|
}
|
953 |
|
|
|
954 |
|
|
expr = parse_expression (exp);
|
955 |
|
|
old_chain = make_cleanup (free_current_contents, &expr);
|
956 |
|
|
|
957 |
|
|
val = evaluate_expression (expr);
|
958 |
|
|
|
959 |
|
|
annotate_value_begin (value_type (val));
|
960 |
|
|
|
961 |
|
|
print_formatted (val, format, fmt.size, gdb_stdout);
|
962 |
|
|
|
963 |
|
|
annotate_value_end ();
|
964 |
|
|
|
965 |
|
|
wrap_here ("");
|
966 |
|
|
gdb_flush (gdb_stdout);
|
967 |
|
|
|
968 |
|
|
do_cleanups (old_chain);
|
969 |
|
|
}
|
970 |
|
|
|
971 |
|
|
static void
|
972 |
|
|
set_command (char *exp, int from_tty)
|
973 |
|
|
{
|
974 |
|
|
struct expression *expr = parse_expression (exp);
|
975 |
|
|
struct cleanup *old_chain =
|
976 |
|
|
make_cleanup (free_current_contents, &expr);
|
977 |
|
|
evaluate_expression (expr);
|
978 |
|
|
do_cleanups (old_chain);
|
979 |
|
|
}
|
980 |
|
|
|
981 |
|
|
static void
|
982 |
|
|
sym_info (char *arg, int from_tty)
|
983 |
|
|
{
|
984 |
|
|
struct minimal_symbol *msymbol;
|
985 |
|
|
struct objfile *objfile;
|
986 |
|
|
struct obj_section *osect;
|
987 |
|
|
asection *sect;
|
988 |
|
|
CORE_ADDR addr, sect_addr;
|
989 |
|
|
int matches = 0;
|
990 |
|
|
unsigned int offset;
|
991 |
|
|
|
992 |
|
|
if (!arg)
|
993 |
|
|
error_no_arg (_("address"));
|
994 |
|
|
|
995 |
|
|
addr = parse_and_eval_address (arg);
|
996 |
|
|
ALL_OBJSECTIONS (objfile, osect)
|
997 |
|
|
{
|
998 |
|
|
/* Only process each object file once, even if there's a separate
|
999 |
|
|
debug file. */
|
1000 |
|
|
if (objfile->separate_debug_objfile_backlink)
|
1001 |
|
|
continue;
|
1002 |
|
|
|
1003 |
|
|
sect = osect->the_bfd_section;
|
1004 |
|
|
sect_addr = overlay_mapped_address (addr, sect);
|
1005 |
|
|
|
1006 |
|
|
if (osect->addr <= sect_addr && sect_addr < osect->endaddr &&
|
1007 |
|
|
(msymbol = lookup_minimal_symbol_by_pc_section (sect_addr, sect)))
|
1008 |
|
|
{
|
1009 |
|
|
matches = 1;
|
1010 |
|
|
offset = sect_addr - SYMBOL_VALUE_ADDRESS (msymbol);
|
1011 |
|
|
if (offset)
|
1012 |
|
|
printf_filtered ("%s + %u in ",
|
1013 |
|
|
SYMBOL_PRINT_NAME (msymbol), offset);
|
1014 |
|
|
else
|
1015 |
|
|
printf_filtered ("%s in ",
|
1016 |
|
|
SYMBOL_PRINT_NAME (msymbol));
|
1017 |
|
|
if (pc_in_unmapped_range (addr, sect))
|
1018 |
|
|
printf_filtered (_("load address range of "));
|
1019 |
|
|
if (section_is_overlay (sect))
|
1020 |
|
|
printf_filtered (_("%s overlay "),
|
1021 |
|
|
section_is_mapped (sect) ? "mapped" : "unmapped");
|
1022 |
|
|
printf_filtered (_("section %s"), sect->name);
|
1023 |
|
|
printf_filtered ("\n");
|
1024 |
|
|
}
|
1025 |
|
|
}
|
1026 |
|
|
if (matches == 0)
|
1027 |
|
|
printf_filtered (_("No symbol matches %s.\n"), arg);
|
1028 |
|
|
}
|
1029 |
|
|
|
1030 |
|
|
static void
|
1031 |
|
|
address_info (char *exp, int from_tty)
|
1032 |
|
|
{
|
1033 |
|
|
struct symbol *sym;
|
1034 |
|
|
struct minimal_symbol *msymbol;
|
1035 |
|
|
long val;
|
1036 |
|
|
long basereg;
|
1037 |
|
|
asection *section;
|
1038 |
|
|
CORE_ADDR load_addr;
|
1039 |
|
|
int is_a_field_of_this; /* C++: lookup_symbol sets this to nonzero
|
1040 |
|
|
if exp is a field of `this'. */
|
1041 |
|
|
|
1042 |
|
|
if (exp == 0)
|
1043 |
|
|
error (_("Argument required."));
|
1044 |
|
|
|
1045 |
|
|
sym = lookup_symbol (exp, get_selected_block (0), VAR_DOMAIN,
|
1046 |
|
|
&is_a_field_of_this, (struct symtab **) NULL);
|
1047 |
|
|
if (sym == NULL)
|
1048 |
|
|
{
|
1049 |
|
|
if (is_a_field_of_this)
|
1050 |
|
|
{
|
1051 |
|
|
printf_filtered ("Symbol \"");
|
1052 |
|
|
fprintf_symbol_filtered (gdb_stdout, exp,
|
1053 |
|
|
current_language->la_language, DMGL_ANSI);
|
1054 |
|
|
printf_filtered ("\" is a field of the local class variable ");
|
1055 |
|
|
if (current_language->la_language == language_objc)
|
1056 |
|
|
printf_filtered ("`self'\n"); /* ObjC equivalent of "this" */
|
1057 |
|
|
else
|
1058 |
|
|
printf_filtered ("`this'\n");
|
1059 |
|
|
return;
|
1060 |
|
|
}
|
1061 |
|
|
|
1062 |
|
|
msymbol = lookup_minimal_symbol (exp, NULL, NULL);
|
1063 |
|
|
|
1064 |
|
|
if (msymbol != NULL)
|
1065 |
|
|
{
|
1066 |
|
|
load_addr = SYMBOL_VALUE_ADDRESS (msymbol);
|
1067 |
|
|
|
1068 |
|
|
printf_filtered ("Symbol \"");
|
1069 |
|
|
fprintf_symbol_filtered (gdb_stdout, exp,
|
1070 |
|
|
current_language->la_language, DMGL_ANSI);
|
1071 |
|
|
printf_filtered ("\" is at ");
|
1072 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1073 |
|
|
printf_filtered (" in a file compiled without debugging");
|
1074 |
|
|
section = SYMBOL_BFD_SECTION (msymbol);
|
1075 |
|
|
if (section_is_overlay (section))
|
1076 |
|
|
{
|
1077 |
|
|
load_addr = overlay_unmapped_address (load_addr, section);
|
1078 |
|
|
printf_filtered (",\n -- loaded at ");
|
1079 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1080 |
|
|
printf_filtered (" in overlay section %s", section->name);
|
1081 |
|
|
}
|
1082 |
|
|
printf_filtered (".\n");
|
1083 |
|
|
}
|
1084 |
|
|
else
|
1085 |
|
|
error (_("No symbol \"%s\" in current context."), exp);
|
1086 |
|
|
return;
|
1087 |
|
|
}
|
1088 |
|
|
|
1089 |
|
|
printf_filtered ("Symbol \"");
|
1090 |
|
|
fprintf_symbol_filtered (gdb_stdout, DEPRECATED_SYMBOL_NAME (sym),
|
1091 |
|
|
current_language->la_language, DMGL_ANSI);
|
1092 |
|
|
printf_filtered ("\" is ");
|
1093 |
|
|
val = SYMBOL_VALUE (sym);
|
1094 |
|
|
basereg = SYMBOL_BASEREG (sym);
|
1095 |
|
|
section = SYMBOL_BFD_SECTION (sym);
|
1096 |
|
|
|
1097 |
|
|
switch (SYMBOL_CLASS (sym))
|
1098 |
|
|
{
|
1099 |
|
|
case LOC_CONST:
|
1100 |
|
|
case LOC_CONST_BYTES:
|
1101 |
|
|
printf_filtered ("constant");
|
1102 |
|
|
break;
|
1103 |
|
|
|
1104 |
|
|
case LOC_LABEL:
|
1105 |
|
|
printf_filtered ("a label at address ");
|
1106 |
|
|
fputs_filtered (paddress (load_addr = SYMBOL_VALUE_ADDRESS (sym)),
|
1107 |
|
|
gdb_stdout);
|
1108 |
|
|
if (section_is_overlay (section))
|
1109 |
|
|
{
|
1110 |
|
|
load_addr = overlay_unmapped_address (load_addr, section);
|
1111 |
|
|
printf_filtered (",\n -- loaded at ");
|
1112 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1113 |
|
|
printf_filtered (" in overlay section %s", section->name);
|
1114 |
|
|
}
|
1115 |
|
|
break;
|
1116 |
|
|
|
1117 |
|
|
case LOC_COMPUTED:
|
1118 |
|
|
case LOC_COMPUTED_ARG:
|
1119 |
|
|
/* FIXME: cagney/2004-01-26: It should be possible to
|
1120 |
|
|
unconditionally call the SYMBOL_OPS method when available.
|
1121 |
|
|
Unfortunately DWARF 2 stores the frame-base (instead of the
|
1122 |
|
|
function) location in a function's symbol. Oops! For the
|
1123 |
|
|
moment enable this when/where applicable. */
|
1124 |
|
|
SYMBOL_OPS (sym)->describe_location (sym, gdb_stdout);
|
1125 |
|
|
break;
|
1126 |
|
|
|
1127 |
|
|
case LOC_REGISTER:
|
1128 |
|
|
printf_filtered (_("a variable in register %s"),
|
1129 |
|
|
gdbarch_register_name (current_gdbarch, val));
|
1130 |
|
|
break;
|
1131 |
|
|
|
1132 |
|
|
case LOC_STATIC:
|
1133 |
|
|
printf_filtered (_("static storage at address "));
|
1134 |
|
|
fputs_filtered (paddress (load_addr = SYMBOL_VALUE_ADDRESS (sym)),
|
1135 |
|
|
gdb_stdout);
|
1136 |
|
|
if (section_is_overlay (section))
|
1137 |
|
|
{
|
1138 |
|
|
load_addr = overlay_unmapped_address (load_addr, section);
|
1139 |
|
|
printf_filtered (_(",\n -- loaded at "));
|
1140 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1141 |
|
|
printf_filtered (_(" in overlay section %s"), section->name);
|
1142 |
|
|
}
|
1143 |
|
|
break;
|
1144 |
|
|
|
1145 |
|
|
case LOC_INDIRECT:
|
1146 |
|
|
printf_filtered (_("external global (indirect addressing), at address *("));
|
1147 |
|
|
fputs_filtered (paddress (load_addr = SYMBOL_VALUE_ADDRESS (sym)),
|
1148 |
|
|
gdb_stdout);
|
1149 |
|
|
printf_filtered (")");
|
1150 |
|
|
if (section_is_overlay (section))
|
1151 |
|
|
{
|
1152 |
|
|
load_addr = overlay_unmapped_address (load_addr, section);
|
1153 |
|
|
printf_filtered (_(",\n -- loaded at "));
|
1154 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1155 |
|
|
printf_filtered (_(" in overlay section %s"), section->name);
|
1156 |
|
|
}
|
1157 |
|
|
break;
|
1158 |
|
|
|
1159 |
|
|
case LOC_REGPARM:
|
1160 |
|
|
printf_filtered (_("an argument in register %s"),
|
1161 |
|
|
gdbarch_register_name (current_gdbarch, val));
|
1162 |
|
|
break;
|
1163 |
|
|
|
1164 |
|
|
case LOC_REGPARM_ADDR:
|
1165 |
|
|
printf_filtered (_("address of an argument in register %s"),
|
1166 |
|
|
gdbarch_register_name (current_gdbarch, val));
|
1167 |
|
|
break;
|
1168 |
|
|
|
1169 |
|
|
case LOC_ARG:
|
1170 |
|
|
printf_filtered (_("an argument at offset %ld"), val);
|
1171 |
|
|
break;
|
1172 |
|
|
|
1173 |
|
|
case LOC_LOCAL_ARG:
|
1174 |
|
|
printf_filtered (_("an argument at frame offset %ld"), val);
|
1175 |
|
|
break;
|
1176 |
|
|
|
1177 |
|
|
case LOC_LOCAL:
|
1178 |
|
|
printf_filtered (_("a local variable at frame offset %ld"), val);
|
1179 |
|
|
break;
|
1180 |
|
|
|
1181 |
|
|
case LOC_REF_ARG:
|
1182 |
|
|
printf_filtered (_("a reference argument at offset %ld"), val);
|
1183 |
|
|
break;
|
1184 |
|
|
|
1185 |
|
|
case LOC_BASEREG:
|
1186 |
|
|
printf_filtered (_("a variable at offset %ld from register %s"),
|
1187 |
|
|
val, gdbarch_register_name (current_gdbarch, basereg));
|
1188 |
|
|
break;
|
1189 |
|
|
|
1190 |
|
|
case LOC_BASEREG_ARG:
|
1191 |
|
|
printf_filtered (_("an argument at offset %ld from register %s"),
|
1192 |
|
|
val, gdbarch_register_name (current_gdbarch, basereg));
|
1193 |
|
|
break;
|
1194 |
|
|
|
1195 |
|
|
case LOC_TYPEDEF:
|
1196 |
|
|
printf_filtered (_("a typedef"));
|
1197 |
|
|
break;
|
1198 |
|
|
|
1199 |
|
|
case LOC_BLOCK:
|
1200 |
|
|
printf_filtered (_("a function at address "));
|
1201 |
|
|
load_addr = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
|
1202 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1203 |
|
|
if (section_is_overlay (section))
|
1204 |
|
|
{
|
1205 |
|
|
load_addr = overlay_unmapped_address (load_addr, section);
|
1206 |
|
|
printf_filtered (_(",\n -- loaded at "));
|
1207 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1208 |
|
|
printf_filtered (_(" in overlay section %s"), section->name);
|
1209 |
|
|
}
|
1210 |
|
|
break;
|
1211 |
|
|
|
1212 |
|
|
case LOC_UNRESOLVED:
|
1213 |
|
|
{
|
1214 |
|
|
struct minimal_symbol *msym;
|
1215 |
|
|
|
1216 |
|
|
msym = lookup_minimal_symbol (DEPRECATED_SYMBOL_NAME (sym), NULL, NULL);
|
1217 |
|
|
if (msym == NULL)
|
1218 |
|
|
printf_filtered ("unresolved");
|
1219 |
|
|
else
|
1220 |
|
|
{
|
1221 |
|
|
section = SYMBOL_BFD_SECTION (msym);
|
1222 |
|
|
printf_filtered (_("static storage at address "));
|
1223 |
|
|
load_addr = SYMBOL_VALUE_ADDRESS (msym);
|
1224 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1225 |
|
|
if (section_is_overlay (section))
|
1226 |
|
|
{
|
1227 |
|
|
load_addr = overlay_unmapped_address (load_addr, section);
|
1228 |
|
|
printf_filtered (_(",\n -- loaded at "));
|
1229 |
|
|
fputs_filtered (paddress (load_addr), gdb_stdout);
|
1230 |
|
|
printf_filtered (_(" in overlay section %s"), section->name);
|
1231 |
|
|
}
|
1232 |
|
|
}
|
1233 |
|
|
}
|
1234 |
|
|
break;
|
1235 |
|
|
|
1236 |
|
|
case LOC_HP_THREAD_LOCAL_STATIC:
|
1237 |
|
|
printf_filtered (_("\
|
1238 |
|
|
a thread-local variable at offset %ld from the thread base register %s"),
|
1239 |
|
|
val, gdbarch_register_name (current_gdbarch, basereg));
|
1240 |
|
|
break;
|
1241 |
|
|
|
1242 |
|
|
case LOC_OPTIMIZED_OUT:
|
1243 |
|
|
printf_filtered (_("optimized out"));
|
1244 |
|
|
break;
|
1245 |
|
|
|
1246 |
|
|
default:
|
1247 |
|
|
printf_filtered (_("of unknown (botched) type"));
|
1248 |
|
|
break;
|
1249 |
|
|
}
|
1250 |
|
|
printf_filtered (".\n");
|
1251 |
|
|
}
|
1252 |
|
|
|
1253 |
|
|
|
1254 |
|
|
static void
|
1255 |
|
|
x_command (char *exp, int from_tty)
|
1256 |
|
|
{
|
1257 |
|
|
struct expression *expr;
|
1258 |
|
|
struct format_data fmt;
|
1259 |
|
|
struct cleanup *old_chain;
|
1260 |
|
|
struct value *val;
|
1261 |
|
|
|
1262 |
|
|
fmt.format = last_format;
|
1263 |
|
|
fmt.size = last_size;
|
1264 |
|
|
fmt.count = 1;
|
1265 |
|
|
|
1266 |
|
|
if (exp && *exp == '/')
|
1267 |
|
|
{
|
1268 |
|
|
exp++;
|
1269 |
|
|
fmt = decode_format (&exp, last_format, last_size);
|
1270 |
|
|
}
|
1271 |
|
|
|
1272 |
|
|
/* If we have an expression, evaluate it and use it as the address. */
|
1273 |
|
|
|
1274 |
|
|
if (exp != 0 && *exp != 0)
|
1275 |
|
|
{
|
1276 |
|
|
expr = parse_expression (exp);
|
1277 |
|
|
/* Cause expression not to be there any more if this command is
|
1278 |
|
|
repeated with Newline. But don't clobber a user-defined
|
1279 |
|
|
command's definition. */
|
1280 |
|
|
if (from_tty)
|
1281 |
|
|
*exp = 0;
|
1282 |
|
|
old_chain = make_cleanup (free_current_contents, &expr);
|
1283 |
|
|
val = evaluate_expression (expr);
|
1284 |
|
|
if (TYPE_CODE (value_type (val)) == TYPE_CODE_REF)
|
1285 |
|
|
val = value_ind (val);
|
1286 |
|
|
/* In rvalue contexts, such as this, functions are coerced into
|
1287 |
|
|
pointers to functions. This makes "x/i main" work. */
|
1288 |
|
|
if (/* last_format == 'i' && */
|
1289 |
|
|
TYPE_CODE (value_type (val)) == TYPE_CODE_FUNC
|
1290 |
|
|
&& VALUE_LVAL (val) == lval_memory)
|
1291 |
|
|
next_address = VALUE_ADDRESS (val);
|
1292 |
|
|
else
|
1293 |
|
|
next_address = value_as_address (val);
|
1294 |
|
|
do_cleanups (old_chain);
|
1295 |
|
|
}
|
1296 |
|
|
|
1297 |
|
|
do_examine (fmt, next_address);
|
1298 |
|
|
|
1299 |
|
|
/* If the examine succeeds, we remember its size and format for next
|
1300 |
|
|
time. */
|
1301 |
|
|
last_size = fmt.size;
|
1302 |
|
|
last_format = fmt.format;
|
1303 |
|
|
|
1304 |
|
|
/* Set a couple of internal variables if appropriate. */
|
1305 |
|
|
if (last_examine_value)
|
1306 |
|
|
{
|
1307 |
|
|
/* Make last address examined available to the user as $_. Use
|
1308 |
|
|
the correct pointer type. */
|
1309 |
|
|
struct type *pointer_type
|
1310 |
|
|
= lookup_pointer_type (value_type (last_examine_value));
|
1311 |
|
|
set_internalvar (lookup_internalvar ("_"),
|
1312 |
|
|
value_from_pointer (pointer_type,
|
1313 |
|
|
last_examine_address));
|
1314 |
|
|
|
1315 |
|
|
/* Make contents of last address examined available to the user
|
1316 |
|
|
as $__. If the last value has not been fetched from memory
|
1317 |
|
|
then don't fetch it now; instead mark it by voiding the $__
|
1318 |
|
|
variable. */
|
1319 |
|
|
if (value_lazy (last_examine_value))
|
1320 |
|
|
set_internalvar (lookup_internalvar ("__"),
|
1321 |
|
|
allocate_value (builtin_type_void));
|
1322 |
|
|
else
|
1323 |
|
|
set_internalvar (lookup_internalvar ("__"), last_examine_value);
|
1324 |
|
|
}
|
1325 |
|
|
}
|
1326 |
|
|
|
1327 |
|
|
|
1328 |
|
|
/* Add an expression to the auto-display chain.
|
1329 |
|
|
Specify the expression. */
|
1330 |
|
|
|
1331 |
|
|
static void
|
1332 |
|
|
display_command (char *exp, int from_tty)
|
1333 |
|
|
{
|
1334 |
|
|
struct format_data fmt;
|
1335 |
|
|
struct expression *expr;
|
1336 |
|
|
struct display *new;
|
1337 |
|
|
int display_it = 1;
|
1338 |
|
|
|
1339 |
|
|
#if defined(TUI)
|
1340 |
|
|
/* NOTE: cagney/2003-02-13 The `tui_active' was previously
|
1341 |
|
|
`tui_version'. */
|
1342 |
|
|
if (tui_active && exp != NULL && *exp == '$')
|
1343 |
|
|
display_it = (tui_set_layout_for_display_command (exp) == TUI_FAILURE);
|
1344 |
|
|
#endif
|
1345 |
|
|
|
1346 |
|
|
if (display_it)
|
1347 |
|
|
{
|
1348 |
|
|
if (exp == 0)
|
1349 |
|
|
{
|
1350 |
|
|
do_displays ();
|
1351 |
|
|
return;
|
1352 |
|
|
}
|
1353 |
|
|
|
1354 |
|
|
if (*exp == '/')
|
1355 |
|
|
{
|
1356 |
|
|
exp++;
|
1357 |
|
|
fmt = decode_format (&exp, 0, 0);
|
1358 |
|
|
if (fmt.size && fmt.format == 0)
|
1359 |
|
|
fmt.format = 'x';
|
1360 |
|
|
if (fmt.format == 'i' || fmt.format == 's')
|
1361 |
|
|
fmt.size = 'b';
|
1362 |
|
|
}
|
1363 |
|
|
else
|
1364 |
|
|
{
|
1365 |
|
|
fmt.format = 0;
|
1366 |
|
|
fmt.size = 0;
|
1367 |
|
|
fmt.count = 0;
|
1368 |
|
|
}
|
1369 |
|
|
|
1370 |
|
|
innermost_block = 0;
|
1371 |
|
|
expr = parse_expression (exp);
|
1372 |
|
|
|
1373 |
|
|
new = (struct display *) xmalloc (sizeof (struct display));
|
1374 |
|
|
|
1375 |
|
|
new->exp = expr;
|
1376 |
|
|
new->block = innermost_block;
|
1377 |
|
|
new->next = display_chain;
|
1378 |
|
|
new->number = ++display_number;
|
1379 |
|
|
new->format = fmt;
|
1380 |
|
|
new->enabled_p = 1;
|
1381 |
|
|
display_chain = new;
|
1382 |
|
|
|
1383 |
|
|
if (from_tty && target_has_execution)
|
1384 |
|
|
do_one_display (new);
|
1385 |
|
|
|
1386 |
|
|
dont_repeat ();
|
1387 |
|
|
}
|
1388 |
|
|
}
|
1389 |
|
|
|
1390 |
|
|
static void
|
1391 |
|
|
free_display (struct display *d)
|
1392 |
|
|
{
|
1393 |
|
|
xfree (d->exp);
|
1394 |
|
|
xfree (d);
|
1395 |
|
|
}
|
1396 |
|
|
|
1397 |
|
|
/* Clear out the display_chain. Done when new symtabs are loaded,
|
1398 |
|
|
since this invalidates the types stored in many expressions. */
|
1399 |
|
|
|
1400 |
|
|
void
|
1401 |
|
|
clear_displays (void)
|
1402 |
|
|
{
|
1403 |
|
|
struct display *d;
|
1404 |
|
|
|
1405 |
|
|
while ((d = display_chain) != NULL)
|
1406 |
|
|
{
|
1407 |
|
|
xfree (d->exp);
|
1408 |
|
|
display_chain = d->next;
|
1409 |
|
|
xfree (d);
|
1410 |
|
|
}
|
1411 |
|
|
}
|
1412 |
|
|
|
1413 |
|
|
/* Delete the auto-display number NUM. */
|
1414 |
|
|
|
1415 |
|
|
static void
|
1416 |
|
|
delete_display (int num)
|
1417 |
|
|
{
|
1418 |
|
|
struct display *d1, *d;
|
1419 |
|
|
|
1420 |
|
|
if (!display_chain)
|
1421 |
|
|
error (_("No display number %d."), num);
|
1422 |
|
|
|
1423 |
|
|
if (display_chain->number == num)
|
1424 |
|
|
{
|
1425 |
|
|
d1 = display_chain;
|
1426 |
|
|
display_chain = d1->next;
|
1427 |
|
|
free_display (d1);
|
1428 |
|
|
}
|
1429 |
|
|
else
|
1430 |
|
|
for (d = display_chain;; d = d->next)
|
1431 |
|
|
{
|
1432 |
|
|
if (d->next == 0)
|
1433 |
|
|
error (_("No display number %d."), num);
|
1434 |
|
|
if (d->next->number == num)
|
1435 |
|
|
{
|
1436 |
|
|
d1 = d->next;
|
1437 |
|
|
d->next = d1->next;
|
1438 |
|
|
free_display (d1);
|
1439 |
|
|
break;
|
1440 |
|
|
}
|
1441 |
|
|
}
|
1442 |
|
|
}
|
1443 |
|
|
|
1444 |
|
|
/* Delete some values from the auto-display chain.
|
1445 |
|
|
Specify the element numbers. */
|
1446 |
|
|
|
1447 |
|
|
static void
|
1448 |
|
|
undisplay_command (char *args, int from_tty)
|
1449 |
|
|
{
|
1450 |
|
|
char *p = args;
|
1451 |
|
|
char *p1;
|
1452 |
|
|
int num;
|
1453 |
|
|
|
1454 |
|
|
if (args == 0)
|
1455 |
|
|
{
|
1456 |
|
|
if (query ("Delete all auto-display expressions? "))
|
1457 |
|
|
clear_displays ();
|
1458 |
|
|
dont_repeat ();
|
1459 |
|
|
return;
|
1460 |
|
|
}
|
1461 |
|
|
|
1462 |
|
|
while (*p)
|
1463 |
|
|
{
|
1464 |
|
|
p1 = p;
|
1465 |
|
|
while (*p1 >= '0' && *p1 <= '9')
|
1466 |
|
|
p1++;
|
1467 |
|
|
if (*p1 && *p1 != ' ' && *p1 != '\t')
|
1468 |
|
|
error (_("Arguments must be display numbers."));
|
1469 |
|
|
|
1470 |
|
|
num = atoi (p);
|
1471 |
|
|
|
1472 |
|
|
delete_display (num);
|
1473 |
|
|
|
1474 |
|
|
p = p1;
|
1475 |
|
|
while (*p == ' ' || *p == '\t')
|
1476 |
|
|
p++;
|
1477 |
|
|
}
|
1478 |
|
|
dont_repeat ();
|
1479 |
|
|
}
|
1480 |
|
|
|
1481 |
|
|
/* Display a single auto-display.
|
1482 |
|
|
Do nothing if the display cannot be printed in the current context,
|
1483 |
|
|
or if the display is disabled. */
|
1484 |
|
|
|
1485 |
|
|
static void
|
1486 |
|
|
do_one_display (struct display *d)
|
1487 |
|
|
{
|
1488 |
|
|
int within_current_scope;
|
1489 |
|
|
|
1490 |
|
|
if (d->enabled_p == 0)
|
1491 |
|
|
return;
|
1492 |
|
|
|
1493 |
|
|
if (d->block)
|
1494 |
|
|
within_current_scope = contained_in (get_selected_block (0), d->block);
|
1495 |
|
|
else
|
1496 |
|
|
within_current_scope = 1;
|
1497 |
|
|
if (!within_current_scope)
|
1498 |
|
|
return;
|
1499 |
|
|
|
1500 |
|
|
current_display_number = d->number;
|
1501 |
|
|
|
1502 |
|
|
annotate_display_begin ();
|
1503 |
|
|
printf_filtered ("%d", d->number);
|
1504 |
|
|
annotate_display_number_end ();
|
1505 |
|
|
printf_filtered (": ");
|
1506 |
|
|
if (d->format.size)
|
1507 |
|
|
{
|
1508 |
|
|
CORE_ADDR addr;
|
1509 |
|
|
struct value *val;
|
1510 |
|
|
|
1511 |
|
|
annotate_display_format ();
|
1512 |
|
|
|
1513 |
|
|
printf_filtered ("x/");
|
1514 |
|
|
if (d->format.count != 1)
|
1515 |
|
|
printf_filtered ("%d", d->format.count);
|
1516 |
|
|
printf_filtered ("%c", d->format.format);
|
1517 |
|
|
if (d->format.format != 'i' && d->format.format != 's')
|
1518 |
|
|
printf_filtered ("%c", d->format.size);
|
1519 |
|
|
printf_filtered (" ");
|
1520 |
|
|
|
1521 |
|
|
annotate_display_expression ();
|
1522 |
|
|
|
1523 |
|
|
print_expression (d->exp, gdb_stdout);
|
1524 |
|
|
annotate_display_expression_end ();
|
1525 |
|
|
|
1526 |
|
|
if (d->format.count != 1 || d->format.format == 'i')
|
1527 |
|
|
printf_filtered ("\n");
|
1528 |
|
|
else
|
1529 |
|
|
printf_filtered (" ");
|
1530 |
|
|
|
1531 |
|
|
val = evaluate_expression (d->exp);
|
1532 |
|
|
addr = value_as_address (val);
|
1533 |
|
|
if (d->format.format == 'i')
|
1534 |
|
|
addr = gdbarch_addr_bits_remove (current_gdbarch, addr);
|
1535 |
|
|
|
1536 |
|
|
annotate_display_value ();
|
1537 |
|
|
|
1538 |
|
|
do_examine (d->format, addr);
|
1539 |
|
|
}
|
1540 |
|
|
else
|
1541 |
|
|
{
|
1542 |
|
|
annotate_display_format ();
|
1543 |
|
|
|
1544 |
|
|
if (d->format.format)
|
1545 |
|
|
printf_filtered ("/%c ", d->format.format);
|
1546 |
|
|
|
1547 |
|
|
annotate_display_expression ();
|
1548 |
|
|
|
1549 |
|
|
print_expression (d->exp, gdb_stdout);
|
1550 |
|
|
annotate_display_expression_end ();
|
1551 |
|
|
|
1552 |
|
|
printf_filtered (" = ");
|
1553 |
|
|
|
1554 |
|
|
annotate_display_expression ();
|
1555 |
|
|
|
1556 |
|
|
print_formatted (evaluate_expression (d->exp),
|
1557 |
|
|
d->format.format, d->format.size, gdb_stdout);
|
1558 |
|
|
printf_filtered ("\n");
|
1559 |
|
|
}
|
1560 |
|
|
|
1561 |
|
|
annotate_display_end ();
|
1562 |
|
|
|
1563 |
|
|
gdb_flush (gdb_stdout);
|
1564 |
|
|
current_display_number = -1;
|
1565 |
|
|
}
|
1566 |
|
|
|
1567 |
|
|
/* Display all of the values on the auto-display chain which can be
|
1568 |
|
|
evaluated in the current scope. */
|
1569 |
|
|
|
1570 |
|
|
void
|
1571 |
|
|
do_displays (void)
|
1572 |
|
|
{
|
1573 |
|
|
struct display *d;
|
1574 |
|
|
|
1575 |
|
|
for (d = display_chain; d; d = d->next)
|
1576 |
|
|
do_one_display (d);
|
1577 |
|
|
}
|
1578 |
|
|
|
1579 |
|
|
/* Delete the auto-display which we were in the process of displaying.
|
1580 |
|
|
This is done when there is an error or a signal. */
|
1581 |
|
|
|
1582 |
|
|
void
|
1583 |
|
|
disable_display (int num)
|
1584 |
|
|
{
|
1585 |
|
|
struct display *d;
|
1586 |
|
|
|
1587 |
|
|
for (d = display_chain; d; d = d->next)
|
1588 |
|
|
if (d->number == num)
|
1589 |
|
|
{
|
1590 |
|
|
d->enabled_p = 0;
|
1591 |
|
|
return;
|
1592 |
|
|
}
|
1593 |
|
|
printf_unfiltered (_("No display number %d.\n"), num);
|
1594 |
|
|
}
|
1595 |
|
|
|
1596 |
|
|
void
|
1597 |
|
|
disable_current_display (void)
|
1598 |
|
|
{
|
1599 |
|
|
if (current_display_number >= 0)
|
1600 |
|
|
{
|
1601 |
|
|
disable_display (current_display_number);
|
1602 |
|
|
fprintf_unfiltered (gdb_stderr, _("\
|
1603 |
|
|
Disabling display %d to avoid infinite recursion.\n"),
|
1604 |
|
|
current_display_number);
|
1605 |
|
|
}
|
1606 |
|
|
current_display_number = -1;
|
1607 |
|
|
}
|
1608 |
|
|
|
1609 |
|
|
static void
|
1610 |
|
|
display_info (char *ignore, int from_tty)
|
1611 |
|
|
{
|
1612 |
|
|
struct display *d;
|
1613 |
|
|
|
1614 |
|
|
if (!display_chain)
|
1615 |
|
|
printf_unfiltered (_("There are no auto-display expressions now.\n"));
|
1616 |
|
|
else
|
1617 |
|
|
printf_filtered (_("Auto-display expressions now in effect:\n\
|
1618 |
|
|
Num Enb Expression\n"));
|
1619 |
|
|
|
1620 |
|
|
for (d = display_chain; d; d = d->next)
|
1621 |
|
|
{
|
1622 |
|
|
printf_filtered ("%d: %c ", d->number, "ny"[(int) d->enabled_p]);
|
1623 |
|
|
if (d->format.size)
|
1624 |
|
|
printf_filtered ("/%d%c%c ", d->format.count, d->format.size,
|
1625 |
|
|
d->format.format);
|
1626 |
|
|
else if (d->format.format)
|
1627 |
|
|
printf_filtered ("/%c ", d->format.format);
|
1628 |
|
|
print_expression (d->exp, gdb_stdout);
|
1629 |
|
|
if (d->block && !contained_in (get_selected_block (0), d->block))
|
1630 |
|
|
printf_filtered (_(" (cannot be evaluated in the current context)"));
|
1631 |
|
|
printf_filtered ("\n");
|
1632 |
|
|
gdb_flush (gdb_stdout);
|
1633 |
|
|
}
|
1634 |
|
|
}
|
1635 |
|
|
|
1636 |
|
|
static void
|
1637 |
|
|
enable_display (char *args, int from_tty)
|
1638 |
|
|
{
|
1639 |
|
|
char *p = args;
|
1640 |
|
|
char *p1;
|
1641 |
|
|
int num;
|
1642 |
|
|
struct display *d;
|
1643 |
|
|
|
1644 |
|
|
if (p == 0)
|
1645 |
|
|
{
|
1646 |
|
|
for (d = display_chain; d; d = d->next)
|
1647 |
|
|
d->enabled_p = 1;
|
1648 |
|
|
}
|
1649 |
|
|
else
|
1650 |
|
|
while (*p)
|
1651 |
|
|
{
|
1652 |
|
|
p1 = p;
|
1653 |
|
|
while (*p1 >= '0' && *p1 <= '9')
|
1654 |
|
|
p1++;
|
1655 |
|
|
if (*p1 && *p1 != ' ' && *p1 != '\t')
|
1656 |
|
|
error (_("Arguments must be display numbers."));
|
1657 |
|
|
|
1658 |
|
|
num = atoi (p);
|
1659 |
|
|
|
1660 |
|
|
for (d = display_chain; d; d = d->next)
|
1661 |
|
|
if (d->number == num)
|
1662 |
|
|
{
|
1663 |
|
|
d->enabled_p = 1;
|
1664 |
|
|
goto win;
|
1665 |
|
|
}
|
1666 |
|
|
printf_unfiltered (_("No display number %d.\n"), num);
|
1667 |
|
|
win:
|
1668 |
|
|
p = p1;
|
1669 |
|
|
while (*p == ' ' || *p == '\t')
|
1670 |
|
|
p++;
|
1671 |
|
|
}
|
1672 |
|
|
}
|
1673 |
|
|
|
1674 |
|
|
static void
|
1675 |
|
|
disable_display_command (char *args, int from_tty)
|
1676 |
|
|
{
|
1677 |
|
|
char *p = args;
|
1678 |
|
|
char *p1;
|
1679 |
|
|
struct display *d;
|
1680 |
|
|
|
1681 |
|
|
if (p == 0)
|
1682 |
|
|
{
|
1683 |
|
|
for (d = display_chain; d; d = d->next)
|
1684 |
|
|
d->enabled_p = 0;
|
1685 |
|
|
}
|
1686 |
|
|
else
|
1687 |
|
|
while (*p)
|
1688 |
|
|
{
|
1689 |
|
|
p1 = p;
|
1690 |
|
|
while (*p1 >= '0' && *p1 <= '9')
|
1691 |
|
|
p1++;
|
1692 |
|
|
if (*p1 && *p1 != ' ' && *p1 != '\t')
|
1693 |
|
|
error (_("Arguments must be display numbers."));
|
1694 |
|
|
|
1695 |
|
|
disable_display (atoi (p));
|
1696 |
|
|
|
1697 |
|
|
p = p1;
|
1698 |
|
|
while (*p == ' ' || *p == '\t')
|
1699 |
|
|
p++;
|
1700 |
|
|
}
|
1701 |
|
|
}
|
1702 |
|
|
|
1703 |
|
|
|
1704 |
|
|
/* Print the value in stack frame FRAME of a variable specified by a
|
1705 |
|
|
struct symbol. */
|
1706 |
|
|
|
1707 |
|
|
void
|
1708 |
|
|
print_variable_value (struct symbol *var, struct frame_info *frame,
|
1709 |
|
|
struct ui_file *stream)
|
1710 |
|
|
{
|
1711 |
|
|
struct value *val = read_var_value (var, frame);
|
1712 |
|
|
|
1713 |
|
|
value_print (val, stream, 0, Val_pretty_default);
|
1714 |
|
|
}
|
1715 |
|
|
|
1716 |
|
|
static void
|
1717 |
|
|
printf_command (char *arg, int from_tty)
|
1718 |
|
|
{
|
1719 |
|
|
char *f = NULL;
|
1720 |
|
|
char *s = arg;
|
1721 |
|
|
char *string = NULL;
|
1722 |
|
|
struct value **val_args;
|
1723 |
|
|
char *substrings;
|
1724 |
|
|
char *current_substring;
|
1725 |
|
|
int nargs = 0;
|
1726 |
|
|
int allocated_args = 20;
|
1727 |
|
|
struct cleanup *old_cleanups;
|
1728 |
|
|
|
1729 |
|
|
val_args = xmalloc (allocated_args * sizeof (struct value *));
|
1730 |
|
|
old_cleanups = make_cleanup (free_current_contents, &val_args);
|
1731 |
|
|
|
1732 |
|
|
if (s == 0)
|
1733 |
|
|
error_no_arg (_("format-control string and values to print"));
|
1734 |
|
|
|
1735 |
|
|
/* Skip white space before format string */
|
1736 |
|
|
while (*s == ' ' || *s == '\t')
|
1737 |
|
|
s++;
|
1738 |
|
|
|
1739 |
|
|
/* A format string should follow, enveloped in double quotes. */
|
1740 |
|
|
if (*s++ != '"')
|
1741 |
|
|
error (_("Bad format string, missing '\"'."));
|
1742 |
|
|
|
1743 |
|
|
/* Parse the format-control string and copy it into the string STRING,
|
1744 |
|
|
processing some kinds of escape sequence. */
|
1745 |
|
|
|
1746 |
|
|
f = string = (char *) alloca (strlen (s) + 1);
|
1747 |
|
|
|
1748 |
|
|
while (*s != '"')
|
1749 |
|
|
{
|
1750 |
|
|
int c = *s++;
|
1751 |
|
|
switch (c)
|
1752 |
|
|
{
|
1753 |
|
|
case '\0':
|
1754 |
|
|
error (_("Bad format string, non-terminated '\"'."));
|
1755 |
|
|
|
1756 |
|
|
case '\\':
|
1757 |
|
|
switch (c = *s++)
|
1758 |
|
|
{
|
1759 |
|
|
case '\\':
|
1760 |
|
|
*f++ = '\\';
|
1761 |
|
|
break;
|
1762 |
|
|
case 'a':
|
1763 |
|
|
*f++ = '\a';
|
1764 |
|
|
break;
|
1765 |
|
|
case 'b':
|
1766 |
|
|
*f++ = '\b';
|
1767 |
|
|
break;
|
1768 |
|
|
case 'f':
|
1769 |
|
|
*f++ = '\f';
|
1770 |
|
|
break;
|
1771 |
|
|
case 'n':
|
1772 |
|
|
*f++ = '\n';
|
1773 |
|
|
break;
|
1774 |
|
|
case 'r':
|
1775 |
|
|
*f++ = '\r';
|
1776 |
|
|
break;
|
1777 |
|
|
case 't':
|
1778 |
|
|
*f++ = '\t';
|
1779 |
|
|
break;
|
1780 |
|
|
case 'v':
|
1781 |
|
|
*f++ = '\v';
|
1782 |
|
|
break;
|
1783 |
|
|
case '"':
|
1784 |
|
|
*f++ = '"';
|
1785 |
|
|
break;
|
1786 |
|
|
default:
|
1787 |
|
|
/* ??? TODO: handle other escape sequences */
|
1788 |
|
|
error (_("Unrecognized escape character \\%c in format string."),
|
1789 |
|
|
c);
|
1790 |
|
|
}
|
1791 |
|
|
break;
|
1792 |
|
|
|
1793 |
|
|
default:
|
1794 |
|
|
*f++ = c;
|
1795 |
|
|
}
|
1796 |
|
|
}
|
1797 |
|
|
|
1798 |
|
|
/* Skip over " and following space and comma. */
|
1799 |
|
|
s++;
|
1800 |
|
|
*f++ = '\0';
|
1801 |
|
|
while (*s == ' ' || *s == '\t')
|
1802 |
|
|
s++;
|
1803 |
|
|
|
1804 |
|
|
if (*s != ',' && *s != 0)
|
1805 |
|
|
error (_("Invalid argument syntax"));
|
1806 |
|
|
|
1807 |
|
|
if (*s == ',')
|
1808 |
|
|
s++;
|
1809 |
|
|
while (*s == ' ' || *s == '\t')
|
1810 |
|
|
s++;
|
1811 |
|
|
|
1812 |
|
|
/* Need extra space for the '\0's. Doubling the size is sufficient. */
|
1813 |
|
|
substrings = alloca (strlen (string) * 2);
|
1814 |
|
|
current_substring = substrings;
|
1815 |
|
|
|
1816 |
|
|
{
|
1817 |
|
|
/* Now scan the string for %-specs and see what kinds of args they want.
|
1818 |
|
|
argclass[I] classifies the %-specs so we can give printf_filtered
|
1819 |
|
|
something of the right size. */
|
1820 |
|
|
|
1821 |
|
|
enum argclass
|
1822 |
|
|
{
|
1823 |
|
|
int_arg, long_arg, long_long_arg, ptr_arg, string_arg,
|
1824 |
|
|
double_arg, long_double_arg, decfloat_arg
|
1825 |
|
|
};
|
1826 |
|
|
enum argclass *argclass;
|
1827 |
|
|
enum argclass this_argclass;
|
1828 |
|
|
char *last_arg;
|
1829 |
|
|
int nargs_wanted;
|
1830 |
|
|
int i;
|
1831 |
|
|
|
1832 |
|
|
argclass = (enum argclass *) alloca (strlen (s) * sizeof *argclass);
|
1833 |
|
|
nargs_wanted = 0;
|
1834 |
|
|
f = string;
|
1835 |
|
|
last_arg = string;
|
1836 |
|
|
while (*f)
|
1837 |
|
|
if (*f++ == '%')
|
1838 |
|
|
{
|
1839 |
|
|
int seen_hash = 0, seen_zero = 0, lcount = 0, seen_prec = 0;
|
1840 |
|
|
int seen_space = 0, seen_plus = 0;
|
1841 |
|
|
int seen_big_l = 0, seen_h = 0, seen_big_h = 0;
|
1842 |
|
|
int seen_big_d = 0, seen_double_big_d = 0;
|
1843 |
|
|
int bad = 0;
|
1844 |
|
|
|
1845 |
|
|
/* Check the validity of the format specifier, and work
|
1846 |
|
|
out what argument it expects. We only accept C89
|
1847 |
|
|
format strings, with the exception of long long (which
|
1848 |
|
|
we autoconf for). */
|
1849 |
|
|
|
1850 |
|
|
/* Skip over "%%". */
|
1851 |
|
|
if (*f == '%')
|
1852 |
|
|
{
|
1853 |
|
|
f++;
|
1854 |
|
|
continue;
|
1855 |
|
|
}
|
1856 |
|
|
|
1857 |
|
|
/* The first part of a format specifier is a set of flag
|
1858 |
|
|
characters. */
|
1859 |
|
|
while (strchr ("0-+ #", *f))
|
1860 |
|
|
{
|
1861 |
|
|
if (*f == '#')
|
1862 |
|
|
seen_hash = 1;
|
1863 |
|
|
else if (*f == '0')
|
1864 |
|
|
seen_zero = 1;
|
1865 |
|
|
else if (*f == ' ')
|
1866 |
|
|
seen_space = 1;
|
1867 |
|
|
else if (*f == '+')
|
1868 |
|
|
seen_plus = 1;
|
1869 |
|
|
f++;
|
1870 |
|
|
}
|
1871 |
|
|
|
1872 |
|
|
/* The next part of a format specifier is a width. */
|
1873 |
|
|
while (strchr ("0123456789", *f))
|
1874 |
|
|
f++;
|
1875 |
|
|
|
1876 |
|
|
/* The next part of a format specifier is a precision. */
|
1877 |
|
|
if (*f == '.')
|
1878 |
|
|
{
|
1879 |
|
|
seen_prec = 1;
|
1880 |
|
|
f++;
|
1881 |
|
|
while (strchr ("0123456789", *f))
|
1882 |
|
|
f++;
|
1883 |
|
|
}
|
1884 |
|
|
|
1885 |
|
|
/* The next part of a format specifier is a length modifier. */
|
1886 |
|
|
if (*f == 'h')
|
1887 |
|
|
{
|
1888 |
|
|
seen_h = 1;
|
1889 |
|
|
f++;
|
1890 |
|
|
}
|
1891 |
|
|
else if (*f == 'l')
|
1892 |
|
|
{
|
1893 |
|
|
f++;
|
1894 |
|
|
lcount++;
|
1895 |
|
|
if (*f == 'l')
|
1896 |
|
|
{
|
1897 |
|
|
f++;
|
1898 |
|
|
lcount++;
|
1899 |
|
|
}
|
1900 |
|
|
}
|
1901 |
|
|
else if (*f == 'L')
|
1902 |
|
|
{
|
1903 |
|
|
seen_big_l = 1;
|
1904 |
|
|
f++;
|
1905 |
|
|
}
|
1906 |
|
|
/* Decimal32 modifier. */
|
1907 |
|
|
else if (*f == 'H')
|
1908 |
|
|
{
|
1909 |
|
|
seen_big_h = 1;
|
1910 |
|
|
f++;
|
1911 |
|
|
}
|
1912 |
|
|
/* Decimal64 and Decimal128 modifiers. */
|
1913 |
|
|
else if (*f == 'D')
|
1914 |
|
|
{
|
1915 |
|
|
f++;
|
1916 |
|
|
|
1917 |
|
|
/* Check for a Decimal128. */
|
1918 |
|
|
if (*f == 'D')
|
1919 |
|
|
{
|
1920 |
|
|
f++;
|
1921 |
|
|
seen_double_big_d = 1;
|
1922 |
|
|
}
|
1923 |
|
|
else
|
1924 |
|
|
seen_big_d = 1;
|
1925 |
|
|
}
|
1926 |
|
|
|
1927 |
|
|
switch (*f)
|
1928 |
|
|
{
|
1929 |
|
|
case 'u':
|
1930 |
|
|
if (seen_hash)
|
1931 |
|
|
bad = 1;
|
1932 |
|
|
/* FALLTHROUGH */
|
1933 |
|
|
|
1934 |
|
|
case 'o':
|
1935 |
|
|
case 'x':
|
1936 |
|
|
case 'X':
|
1937 |
|
|
if (seen_space || seen_plus)
|
1938 |
|
|
bad = 1;
|
1939 |
|
|
/* FALLTHROUGH */
|
1940 |
|
|
|
1941 |
|
|
case 'd':
|
1942 |
|
|
case 'i':
|
1943 |
|
|
if (lcount == 0)
|
1944 |
|
|
this_argclass = int_arg;
|
1945 |
|
|
else if (lcount == 1)
|
1946 |
|
|
this_argclass = long_arg;
|
1947 |
|
|
else
|
1948 |
|
|
this_argclass = long_long_arg;
|
1949 |
|
|
|
1950 |
|
|
if (seen_big_l)
|
1951 |
|
|
bad = 1;
|
1952 |
|
|
break;
|
1953 |
|
|
|
1954 |
|
|
case 'c':
|
1955 |
|
|
this_argclass = int_arg;
|
1956 |
|
|
if (lcount || seen_h || seen_big_l)
|
1957 |
|
|
bad = 1;
|
1958 |
|
|
if (seen_prec || seen_zero || seen_space || seen_plus)
|
1959 |
|
|
bad = 1;
|
1960 |
|
|
break;
|
1961 |
|
|
|
1962 |
|
|
case 'p':
|
1963 |
|
|
this_argclass = ptr_arg;
|
1964 |
|
|
if (lcount || seen_h || seen_big_l)
|
1965 |
|
|
bad = 1;
|
1966 |
|
|
if (seen_prec || seen_zero || seen_space || seen_plus)
|
1967 |
|
|
bad = 1;
|
1968 |
|
|
break;
|
1969 |
|
|
|
1970 |
|
|
case 's':
|
1971 |
|
|
this_argclass = string_arg;
|
1972 |
|
|
if (lcount || seen_h || seen_big_l)
|
1973 |
|
|
bad = 1;
|
1974 |
|
|
if (seen_zero || seen_space || seen_plus)
|
1975 |
|
|
bad = 1;
|
1976 |
|
|
break;
|
1977 |
|
|
|
1978 |
|
|
case 'e':
|
1979 |
|
|
case 'f':
|
1980 |
|
|
case 'g':
|
1981 |
|
|
case 'E':
|
1982 |
|
|
case 'G':
|
1983 |
|
|
if (seen_big_h || seen_big_d || seen_double_big_d)
|
1984 |
|
|
this_argclass = decfloat_arg;
|
1985 |
|
|
else if (seen_big_l)
|
1986 |
|
|
this_argclass = long_double_arg;
|
1987 |
|
|
else
|
1988 |
|
|
this_argclass = double_arg;
|
1989 |
|
|
|
1990 |
|
|
if (lcount || seen_h)
|
1991 |
|
|
bad = 1;
|
1992 |
|
|
break;
|
1993 |
|
|
|
1994 |
|
|
case '*':
|
1995 |
|
|
error (_("`*' not supported for precision or width in printf"));
|
1996 |
|
|
|
1997 |
|
|
case 'n':
|
1998 |
|
|
error (_("Format specifier `n' not supported in printf"));
|
1999 |
|
|
|
2000 |
|
|
case '\0':
|
2001 |
|
|
error (_("Incomplete format specifier at end of format string"));
|
2002 |
|
|
|
2003 |
|
|
default:
|
2004 |
|
|
error (_("Unrecognized format specifier '%c' in printf"), *f);
|
2005 |
|
|
}
|
2006 |
|
|
|
2007 |
|
|
if (bad)
|
2008 |
|
|
error (_("Inappropriate modifiers to format specifier '%c' in printf"),
|
2009 |
|
|
*f);
|
2010 |
|
|
|
2011 |
|
|
f++;
|
2012 |
|
|
strncpy (current_substring, last_arg, f - last_arg);
|
2013 |
|
|
current_substring += f - last_arg;
|
2014 |
|
|
*current_substring++ = '\0';
|
2015 |
|
|
last_arg = f;
|
2016 |
|
|
argclass[nargs_wanted++] = this_argclass;
|
2017 |
|
|
}
|
2018 |
|
|
|
2019 |
|
|
/* Now, parse all arguments and evaluate them.
|
2020 |
|
|
Store the VALUEs in VAL_ARGS. */
|
2021 |
|
|
|
2022 |
|
|
while (*s != '\0')
|
2023 |
|
|
{
|
2024 |
|
|
char *s1;
|
2025 |
|
|
if (nargs == allocated_args)
|
2026 |
|
|
val_args = (struct value **) xrealloc ((char *) val_args,
|
2027 |
|
|
(allocated_args *= 2)
|
2028 |
|
|
* sizeof (struct value *));
|
2029 |
|
|
s1 = s;
|
2030 |
|
|
val_args[nargs] = parse_to_comma_and_eval (&s1);
|
2031 |
|
|
|
2032 |
|
|
/* If format string wants a float, unchecked-convert the value to
|
2033 |
|
|
floating point of the same size */
|
2034 |
|
|
|
2035 |
|
|
if (argclass[nargs] == double_arg)
|
2036 |
|
|
{
|
2037 |
|
|
struct type *type = value_type (val_args[nargs]);
|
2038 |
|
|
if (TYPE_LENGTH (type) == sizeof (float))
|
2039 |
|
|
deprecated_set_value_type (val_args[nargs], builtin_type_float);
|
2040 |
|
|
if (TYPE_LENGTH (type) == sizeof (double))
|
2041 |
|
|
deprecated_set_value_type (val_args[nargs], builtin_type_double);
|
2042 |
|
|
}
|
2043 |
|
|
nargs++;
|
2044 |
|
|
s = s1;
|
2045 |
|
|
if (*s == ',')
|
2046 |
|
|
s++;
|
2047 |
|
|
}
|
2048 |
|
|
|
2049 |
|
|
if (nargs != nargs_wanted)
|
2050 |
|
|
error (_("Wrong number of arguments for specified format-string"));
|
2051 |
|
|
|
2052 |
|
|
/* Now actually print them. */
|
2053 |
|
|
current_substring = substrings;
|
2054 |
|
|
for (i = 0; i < nargs; i++)
|
2055 |
|
|
{
|
2056 |
|
|
switch (argclass[i])
|
2057 |
|
|
{
|
2058 |
|
|
case string_arg:
|
2059 |
|
|
{
|
2060 |
|
|
gdb_byte *str;
|
2061 |
|
|
CORE_ADDR tem;
|
2062 |
|
|
int j;
|
2063 |
|
|
tem = value_as_address (val_args[i]);
|
2064 |
|
|
|
2065 |
|
|
/* This is a %s argument. Find the length of the string. */
|
2066 |
|
|
for (j = 0;; j++)
|
2067 |
|
|
{
|
2068 |
|
|
gdb_byte c;
|
2069 |
|
|
QUIT;
|
2070 |
|
|
read_memory (tem + j, &c, 1);
|
2071 |
|
|
if (c == 0)
|
2072 |
|
|
break;
|
2073 |
|
|
}
|
2074 |
|
|
|
2075 |
|
|
/* Copy the string contents into a string inside GDB. */
|
2076 |
|
|
str = (gdb_byte *) alloca (j + 1);
|
2077 |
|
|
if (j != 0)
|
2078 |
|
|
read_memory (tem, str, j);
|
2079 |
|
|
str[j] = 0;
|
2080 |
|
|
|
2081 |
|
|
printf_filtered (current_substring, (char *) str);
|
2082 |
|
|
}
|
2083 |
|
|
break;
|
2084 |
|
|
case double_arg:
|
2085 |
|
|
{
|
2086 |
|
|
double val = value_as_double (val_args[i]);
|
2087 |
|
|
printf_filtered (current_substring, val);
|
2088 |
|
|
break;
|
2089 |
|
|
}
|
2090 |
|
|
case long_double_arg:
|
2091 |
|
|
#ifdef HAVE_LONG_DOUBLE
|
2092 |
|
|
{
|
2093 |
|
|
long double val = value_as_double (val_args[i]);
|
2094 |
|
|
printf_filtered (current_substring, val);
|
2095 |
|
|
break;
|
2096 |
|
|
}
|
2097 |
|
|
#else
|
2098 |
|
|
error (_("long double not supported in printf"));
|
2099 |
|
|
#endif
|
2100 |
|
|
case long_long_arg:
|
2101 |
|
|
#if defined (CC_HAS_LONG_LONG) && defined (PRINTF_HAS_LONG_LONG)
|
2102 |
|
|
{
|
2103 |
|
|
long long val = value_as_long (val_args[i]);
|
2104 |
|
|
printf_filtered (current_substring, val);
|
2105 |
|
|
break;
|
2106 |
|
|
}
|
2107 |
|
|
#else
|
2108 |
|
|
error (_("long long not supported in printf"));
|
2109 |
|
|
#endif
|
2110 |
|
|
case int_arg:
|
2111 |
|
|
{
|
2112 |
|
|
int val = value_as_long (val_args[i]);
|
2113 |
|
|
printf_filtered (current_substring, val);
|
2114 |
|
|
break;
|
2115 |
|
|
}
|
2116 |
|
|
case long_arg:
|
2117 |
|
|
{
|
2118 |
|
|
long val = value_as_long (val_args[i]);
|
2119 |
|
|
printf_filtered (current_substring, val);
|
2120 |
|
|
break;
|
2121 |
|
|
}
|
2122 |
|
|
|
2123 |
|
|
/* Handles decimal floating values. */
|
2124 |
|
|
case decfloat_arg:
|
2125 |
|
|
{
|
2126 |
|
|
const gdb_byte *param_ptr = value_contents (val_args[i]);
|
2127 |
|
|
#if defined (PRINTF_HAS_DECFLOAT)
|
2128 |
|
|
/* If we have native support for Decimal floating
|
2129 |
|
|
printing, handle it here. */
|
2130 |
|
|
printf_filtered (current_substring, param_ptr);
|
2131 |
|
|
#else
|
2132 |
|
|
|
2133 |
|
|
/* As a workaround until vasprintf has native support for DFP
|
2134 |
|
|
we convert the DFP values to string and print them using
|
2135 |
|
|
the %s format specifier. */
|
2136 |
|
|
|
2137 |
|
|
char *eos, *sos;
|
2138 |
|
|
int nnull_chars = 0;
|
2139 |
|
|
|
2140 |
|
|
/* Parameter data. */
|
2141 |
|
|
struct type *param_type = value_type (val_args[i]);
|
2142 |
|
|
unsigned int param_len = TYPE_LENGTH (param_type);
|
2143 |
|
|
|
2144 |
|
|
/* DFP output data. */
|
2145 |
|
|
struct value *dfp_value = NULL;
|
2146 |
|
|
gdb_byte *dfp_ptr;
|
2147 |
|
|
int dfp_len = 16;
|
2148 |
|
|
gdb_byte dec[16];
|
2149 |
|
|
struct type *dfp_type = NULL;
|
2150 |
|
|
char decstr[MAX_DECIMAL_STRING];
|
2151 |
|
|
|
2152 |
|
|
/* Points to the end of the string so that we can go back
|
2153 |
|
|
and check for DFP length modifiers. */
|
2154 |
|
|
eos = current_substring + strlen (current_substring);
|
2155 |
|
|
|
2156 |
|
|
/* Look for the float/double format specifier. */
|
2157 |
|
|
while (*eos != 'f' && *eos != 'e' && *eos != 'E'
|
2158 |
|
|
&& *eos != 'g' && *eos != 'G')
|
2159 |
|
|
eos--;
|
2160 |
|
|
|
2161 |
|
|
sos = eos;
|
2162 |
|
|
|
2163 |
|
|
/* Search for the '%' char and extract the size and type of
|
2164 |
|
|
the output decimal value based on its modifiers
|
2165 |
|
|
(%Hf, %Df, %DDf). */
|
2166 |
|
|
while (*--sos != '%')
|
2167 |
|
|
{
|
2168 |
|
|
if (*sos == 'H')
|
2169 |
|
|
{
|
2170 |
|
|
dfp_len = 4;
|
2171 |
|
|
dfp_type = builtin_type (current_gdbarch)->builtin_decfloat;
|
2172 |
|
|
}
|
2173 |
|
|
else if (*sos == 'D' && *(sos - 1) == 'D')
|
2174 |
|
|
{
|
2175 |
|
|
dfp_len = 16;
|
2176 |
|
|
dfp_type = builtin_type (current_gdbarch)->builtin_declong;
|
2177 |
|
|
sos--;
|
2178 |
|
|
}
|
2179 |
|
|
else
|
2180 |
|
|
{
|
2181 |
|
|
dfp_len = 8;
|
2182 |
|
|
dfp_type = builtin_type (current_gdbarch)->builtin_decdouble;
|
2183 |
|
|
}
|
2184 |
|
|
}
|
2185 |
|
|
|
2186 |
|
|
/* Replace %Hf, %Df and %DDf with %s's. */
|
2187 |
|
|
*++sos = 's';
|
2188 |
|
|
|
2189 |
|
|
/* Go through the whole format string and pull the correct
|
2190 |
|
|
number of chars back to compensate for the change in the
|
2191 |
|
|
format specifier. */
|
2192 |
|
|
while (nnull_chars < nargs - i)
|
2193 |
|
|
{
|
2194 |
|
|
if (*eos == '\0')
|
2195 |
|
|
nnull_chars++;
|
2196 |
|
|
|
2197 |
|
|
*++sos = *++eos;
|
2198 |
|
|
}
|
2199 |
|
|
|
2200 |
|
|
/* Conversion between different DFP types. */
|
2201 |
|
|
if (TYPE_CODE (param_type) == TYPE_CODE_DECFLOAT)
|
2202 |
|
|
decimal_convert (param_ptr, param_len, dec, dfp_len);
|
2203 |
|
|
else
|
2204 |
|
|
/* If this is a non-trivial conversion, just output 0.
|
2205 |
|
|
A correct converted value can be displayed by explicitly
|
2206 |
|
|
casting to a DFP type. */
|
2207 |
|
|
decimal_from_string (dec, dfp_len, "0");
|
2208 |
|
|
|
2209 |
|
|
dfp_value = value_from_decfloat (dfp_type, dec);
|
2210 |
|
|
|
2211 |
|
|
dfp_ptr = (gdb_byte *) value_contents (dfp_value);
|
2212 |
|
|
|
2213 |
|
|
decimal_to_string (dfp_ptr, dfp_len, decstr);
|
2214 |
|
|
|
2215 |
|
|
/* Print the DFP value. */
|
2216 |
|
|
printf_filtered (current_substring, decstr);
|
2217 |
|
|
|
2218 |
|
|
break;
|
2219 |
|
|
#endif
|
2220 |
|
|
}
|
2221 |
|
|
|
2222 |
|
|
case ptr_arg:
|
2223 |
|
|
{
|
2224 |
|
|
/* We avoid the host's %p because pointers are too
|
2225 |
|
|
likely to be the wrong size. The only interesting
|
2226 |
|
|
modifier for %p is a width; extract that, and then
|
2227 |
|
|
handle %p as glibc would: %#x or a literal "(nil)". */
|
2228 |
|
|
|
2229 |
|
|
char *p, *fmt, *fmt_p;
|
2230 |
|
|
#if defined (CC_HAS_LONG_LONG) && defined (PRINTF_HAS_LONG_LONG)
|
2231 |
|
|
long long val = value_as_long (val_args[i]);
|
2232 |
|
|
#else
|
2233 |
|
|
long val = value_as_long (val_args[i]);
|
2234 |
|
|
#endif
|
2235 |
|
|
|
2236 |
|
|
fmt = alloca (strlen (current_substring) + 5);
|
2237 |
|
|
|
2238 |
|
|
/* Copy up to the leading %. */
|
2239 |
|
|
p = current_substring;
|
2240 |
|
|
fmt_p = fmt;
|
2241 |
|
|
while (*p)
|
2242 |
|
|
{
|
2243 |
|
|
int is_percent = (*p == '%');
|
2244 |
|
|
*fmt_p++ = *p++;
|
2245 |
|
|
if (is_percent)
|
2246 |
|
|
{
|
2247 |
|
|
if (*p == '%')
|
2248 |
|
|
*fmt_p++ = *p++;
|
2249 |
|
|
else
|
2250 |
|
|
break;
|
2251 |
|
|
}
|
2252 |
|
|
}
|
2253 |
|
|
|
2254 |
|
|
if (val != 0)
|
2255 |
|
|
*fmt_p++ = '#';
|
2256 |
|
|
|
2257 |
|
|
/* Copy any width. */
|
2258 |
|
|
while (*p >= '0' && *p < '9')
|
2259 |
|
|
*fmt_p++ = *p++;
|
2260 |
|
|
|
2261 |
|
|
gdb_assert (*p == 'p' && *(p + 1) == '\0');
|
2262 |
|
|
if (val != 0)
|
2263 |
|
|
{
|
2264 |
|
|
#if defined (CC_HAS_LONG_LONG) && defined (PRINTF_HAS_LONG_LONG)
|
2265 |
|
|
*fmt_p++ = 'l';
|
2266 |
|
|
#endif
|
2267 |
|
|
*fmt_p++ = 'l';
|
2268 |
|
|
*fmt_p++ = 'x';
|
2269 |
|
|
*fmt_p++ = '\0';
|
2270 |
|
|
printf_filtered (fmt, val);
|
2271 |
|
|
}
|
2272 |
|
|
else
|
2273 |
|
|
{
|
2274 |
|
|
*fmt_p++ = 's';
|
2275 |
|
|
*fmt_p++ = '\0';
|
2276 |
|
|
printf_filtered (fmt, "(nil)");
|
2277 |
|
|
}
|
2278 |
|
|
|
2279 |
|
|
break;
|
2280 |
|
|
}
|
2281 |
|
|
default:
|
2282 |
|
|
internal_error (__FILE__, __LINE__,
|
2283 |
|
|
_("failed internal consistency check"));
|
2284 |
|
|
}
|
2285 |
|
|
/* Skip to the next substring. */
|
2286 |
|
|
current_substring += strlen (current_substring) + 1;
|
2287 |
|
|
}
|
2288 |
|
|
/* Print the portion of the format string after the last argument. */
|
2289 |
|
|
puts_filtered (last_arg);
|
2290 |
|
|
}
|
2291 |
|
|
do_cleanups (old_cleanups);
|
2292 |
|
|
}
|
2293 |
|
|
|
2294 |
|
|
void
|
2295 |
|
|
_initialize_printcmd (void)
|
2296 |
|
|
{
|
2297 |
|
|
struct cmd_list_element *c;
|
2298 |
|
|
|
2299 |
|
|
current_display_number = -1;
|
2300 |
|
|
|
2301 |
|
|
add_info ("address", address_info,
|
2302 |
|
|
_("Describe where symbol SYM is stored."));
|
2303 |
|
|
|
2304 |
|
|
add_info ("symbol", sym_info, _("\
|
2305 |
|
|
Describe what symbol is at location ADDR.\n\
|
2306 |
|
|
Only for symbols with fixed locations (global or static scope)."));
|
2307 |
|
|
|
2308 |
|
|
add_com ("x", class_vars, x_command, _("\
|
2309 |
|
|
Examine memory: x/FMT ADDRESS.\n\
|
2310 |
|
|
ADDRESS is an expression for the memory address to examine.\n\
|
2311 |
|
|
FMT is a repeat count followed by a format letter and a size letter.\n\
|
2312 |
|
|
Format letters are o(octal), x(hex), d(decimal), u(unsigned decimal),\n\
|
2313 |
|
|
t(binary), f(float), a(address), i(instruction), c(char) and s(string).\n\
|
2314 |
|
|
Size letters are b(byte), h(halfword), w(word), g(giant, 8 bytes).\n\
|
2315 |
|
|
The specified number of objects of the specified size are printed\n\
|
2316 |
|
|
according to the format.\n\n\
|
2317 |
|
|
Defaults for format and size letters are those previously used.\n\
|
2318 |
|
|
Default count is 1. Default address is following last thing printed\n\
|
2319 |
|
|
with this command or \"print\"."));
|
2320 |
|
|
|
2321 |
|
|
#if 0
|
2322 |
|
|
add_com ("whereis", class_vars, whereis_command,
|
2323 |
|
|
_("Print line number and file of definition of variable."));
|
2324 |
|
|
#endif
|
2325 |
|
|
|
2326 |
|
|
add_info ("display", display_info, _("\
|
2327 |
|
|
Expressions to display when program stops, with code numbers."));
|
2328 |
|
|
|
2329 |
|
|
add_cmd ("undisplay", class_vars, undisplay_command, _("\
|
2330 |
|
|
Cancel some expressions to be displayed when program stops.\n\
|
2331 |
|
|
Arguments are the code numbers of the expressions to stop displaying.\n\
|
2332 |
|
|
No argument means cancel all automatic-display expressions.\n\
|
2333 |
|
|
\"delete display\" has the same effect as this command.\n\
|
2334 |
|
|
Do \"info display\" to see current list of code numbers."),
|
2335 |
|
|
&cmdlist);
|
2336 |
|
|
|
2337 |
|
|
add_com ("display", class_vars, display_command, _("\
|
2338 |
|
|
Print value of expression EXP each time the program stops.\n\
|
2339 |
|
|
/FMT may be used before EXP as in the \"print\" command.\n\
|
2340 |
|
|
/FMT \"i\" or \"s\" or including a size-letter is allowed,\n\
|
2341 |
|
|
as in the \"x\" command, and then EXP is used to get the address to examine\n\
|
2342 |
|
|
and examining is done as in the \"x\" command.\n\n\
|
2343 |
|
|
With no argument, display all currently requested auto-display expressions.\n\
|
2344 |
|
|
Use \"undisplay\" to cancel display requests previously made."));
|
2345 |
|
|
|
2346 |
|
|
add_cmd ("display", class_vars, enable_display, _("\
|
2347 |
|
|
Enable some expressions to be displayed when program stops.\n\
|
2348 |
|
|
Arguments are the code numbers of the expressions to resume displaying.\n\
|
2349 |
|
|
No argument means enable all automatic-display expressions.\n\
|
2350 |
|
|
Do \"info display\" to see current list of code numbers."), &enablelist);
|
2351 |
|
|
|
2352 |
|
|
add_cmd ("display", class_vars, disable_display_command, _("\
|
2353 |
|
|
Disable some expressions to be displayed when program stops.\n\
|
2354 |
|
|
Arguments are the code numbers of the expressions to stop displaying.\n\
|
2355 |
|
|
No argument means disable all automatic-display expressions.\n\
|
2356 |
|
|
Do \"info display\" to see current list of code numbers."), &disablelist);
|
2357 |
|
|
|
2358 |
|
|
add_cmd ("display", class_vars, undisplay_command, _("\
|
2359 |
|
|
Cancel some expressions to be displayed when program stops.\n\
|
2360 |
|
|
Arguments are the code numbers of the expressions to stop displaying.\n\
|
2361 |
|
|
No argument means cancel all automatic-display expressions.\n\
|
2362 |
|
|
Do \"info display\" to see current list of code numbers."), &deletelist);
|
2363 |
|
|
|
2364 |
|
|
add_com ("printf", class_vars, printf_command, _("\
|
2365 |
|
|
printf \"printf format string\", arg1, arg2, arg3, ..., argn\n\
|
2366 |
|
|
This is useful for formatted output in user-defined commands."));
|
2367 |
|
|
|
2368 |
|
|
add_com ("output", class_vars, output_command, _("\
|
2369 |
|
|
Like \"print\" but don't put in value history and don't print newline.\n\
|
2370 |
|
|
This is useful in user-defined commands."));
|
2371 |
|
|
|
2372 |
|
|
add_prefix_cmd ("set", class_vars, set_command, _("\
|
2373 |
|
|
Evaluate expression EXP and assign result to variable VAR, using assignment\n\
|
2374 |
|
|
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
|
2375 |
|
|
example). VAR may be a debugger \"convenience\" variable (names starting\n\
|
2376 |
|
|
with $), a register (a few standard names starting with $), or an actual\n\
|
2377 |
|
|
variable in the program being debugged. EXP is any valid expression.\n\
|
2378 |
|
|
Use \"set variable\" for variables with names identical to set subcommands.\n\
|
2379 |
|
|
\n\
|
2380 |
|
|
With a subcommand, this command modifies parts of the gdb environment.\n\
|
2381 |
|
|
You can see these environment settings with the \"show\" command."),
|
2382 |
|
|
&setlist, "set ", 1, &cmdlist);
|
2383 |
|
|
if (dbx_commands)
|
2384 |
|
|
add_com ("assign", class_vars, set_command, _("\
|
2385 |
|
|
Evaluate expression EXP and assign result to variable VAR, using assignment\n\
|
2386 |
|
|
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
|
2387 |
|
|
example). VAR may be a debugger \"convenience\" variable (names starting\n\
|
2388 |
|
|
with $), a register (a few standard names starting with $), or an actual\n\
|
2389 |
|
|
variable in the program being debugged. EXP is any valid expression.\n\
|
2390 |
|
|
Use \"set variable\" for variables with names identical to set subcommands.\n\
|
2391 |
|
|
\nWith a subcommand, this command modifies parts of the gdb environment.\n\
|
2392 |
|
|
You can see these environment settings with the \"show\" command."));
|
2393 |
|
|
|
2394 |
|
|
/* "call" is the same as "set", but handy for dbx users to call fns. */
|
2395 |
|
|
c = add_com ("call", class_vars, call_command, _("\
|
2396 |
|
|
Call a function in the program.\n\
|
2397 |
|
|
The argument is the function name and arguments, in the notation of the\n\
|
2398 |
|
|
current working language. The result is printed and saved in the value\n\
|
2399 |
|
|
history, if it is not void."));
|
2400 |
|
|
set_cmd_completer (c, location_completer);
|
2401 |
|
|
|
2402 |
|
|
add_cmd ("variable", class_vars, set_command, _("\
|
2403 |
|
|
Evaluate expression EXP and assign result to variable VAR, using assignment\n\
|
2404 |
|
|
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
|
2405 |
|
|
example). VAR may be a debugger \"convenience\" variable (names starting\n\
|
2406 |
|
|
with $), a register (a few standard names starting with $), or an actual\n\
|
2407 |
|
|
variable in the program being debugged. EXP is any valid expression.\n\
|
2408 |
|
|
This may usually be abbreviated to simply \"set\"."),
|
2409 |
|
|
&setlist);
|
2410 |
|
|
|
2411 |
|
|
c = add_com ("print", class_vars, print_command, _("\
|
2412 |
|
|
Print value of expression EXP.\n\
|
2413 |
|
|
Variables accessible are those of the lexical environment of the selected\n\
|
2414 |
|
|
stack frame, plus all those whose scope is global or an entire file.\n\
|
2415 |
|
|
\n\
|
2416 |
|
|
$NUM gets previous value number NUM. $ and $$ are the last two values.\n\
|
2417 |
|
|
$$NUM refers to NUM'th value back from the last one.\n\
|
2418 |
|
|
Names starting with $ refer to registers (with the values they would have\n\
|
2419 |
|
|
if the program were to return to the stack frame now selected, restoring\n\
|
2420 |
|
|
all registers saved by frames farther in) or else to debugger\n\
|
2421 |
|
|
\"convenience\" variables (any such name not a known register).\n\
|
2422 |
|
|
Use assignment expressions to give values to convenience variables.\n\
|
2423 |
|
|
\n\
|
2424 |
|
|
{TYPE}ADREXP refers to a datum of data type TYPE, located at address ADREXP.\n\
|
2425 |
|
|
@ is a binary operator for treating consecutive data objects\n\
|
2426 |
|
|
anywhere in memory as an array. FOO@NUM gives an array whose first\n\
|
2427 |
|
|
element is FOO, whose second element is stored in the space following\n\
|
2428 |
|
|
where FOO is stored, etc. FOO must be an expression whose value\n\
|
2429 |
|
|
resides in memory.\n\
|
2430 |
|
|
\n\
|
2431 |
|
|
EXP may be preceded with /FMT, where FMT is a format letter\n\
|
2432 |
|
|
but no count or size letter (see \"x\" command)."));
|
2433 |
|
|
set_cmd_completer (c, location_completer);
|
2434 |
|
|
add_com_alias ("p", "print", class_vars, 1);
|
2435 |
|
|
|
2436 |
|
|
c = add_com ("inspect", class_vars, inspect_command, _("\
|
2437 |
|
|
Same as \"print\" command, except that if you are running in the epoch\n\
|
2438 |
|
|
environment, the value is printed in its own window."));
|
2439 |
|
|
set_cmd_completer (c, location_completer);
|
2440 |
|
|
|
2441 |
|
|
add_setshow_uinteger_cmd ("max-symbolic-offset", no_class,
|
2442 |
|
|
&max_symbolic_offset, _("\
|
2443 |
|
|
Set the largest offset that will be printed in <symbol+1234> form."), _("\
|
2444 |
|
|
Show the largest offset that will be printed in <symbol+1234> form."), NULL,
|
2445 |
|
|
NULL,
|
2446 |
|
|
show_max_symbolic_offset,
|
2447 |
|
|
&setprintlist, &showprintlist);
|
2448 |
|
|
add_setshow_boolean_cmd ("symbol-filename", no_class,
|
2449 |
|
|
&print_symbol_filename, _("\
|
2450 |
|
|
Set printing of source filename and line number with <symbol>."), _("\
|
2451 |
|
|
Show printing of source filename and line number with <symbol>."), NULL,
|
2452 |
|
|
NULL,
|
2453 |
|
|
show_print_symbol_filename,
|
2454 |
|
|
&setprintlist, &showprintlist);
|
2455 |
|
|
|
2456 |
|
|
/* For examine/instruction a single byte quantity is specified as
|
2457 |
|
|
the data. This avoids problems with value_at_lazy() requiring a
|
2458 |
|
|
valid data type (and rejecting VOID). */
|
2459 |
|
|
examine_i_type = init_type (TYPE_CODE_INT, 1, 0, "examine_i_type", NULL);
|
2460 |
|
|
|
2461 |
|
|
examine_b_type = init_type (TYPE_CODE_INT, 1, 0, "examine_b_type", NULL);
|
2462 |
|
|
examine_h_type = init_type (TYPE_CODE_INT, 2, 0, "examine_h_type", NULL);
|
2463 |
|
|
examine_w_type = init_type (TYPE_CODE_INT, 4, 0, "examine_w_type", NULL);
|
2464 |
|
|
examine_g_type = init_type (TYPE_CODE_INT, 8, 0, "examine_g_type", NULL);
|
2465 |
|
|
|
2466 |
|
|
}
|