335 lines
6.7 KiB
C
335 lines
6.7 KiB
C
/* Cell-based print utility routines for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 1986-2014 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifdef GDBSERVER
|
|
#include "server.h"
|
|
#else
|
|
#include "defs.h"
|
|
#endif
|
|
|
|
#include "print-utils.h"
|
|
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
|
|
/* Temporary storage using circular buffer. */
|
|
|
|
#define NUMCELLS 16
|
|
#define CELLSIZE 50
|
|
|
|
/* Return the next entry in the circular buffer. */
|
|
|
|
static char *
|
|
get_cell (void)
|
|
{
|
|
static char buf[NUMCELLS][CELLSIZE];
|
|
static int cell = 0;
|
|
|
|
if (++cell >= NUMCELLS)
|
|
cell = 0;
|
|
return buf[cell];
|
|
}
|
|
|
|
static char *
|
|
decimal2str (char *sign, ULONGEST addr, int width)
|
|
{
|
|
/* Steal code from valprint.c:print_decimal(). Should this worry
|
|
about the real size of addr as the above does? */
|
|
unsigned long temp[3];
|
|
char *str = get_cell ();
|
|
int i = 0;
|
|
|
|
do
|
|
{
|
|
temp[i] = addr % (1000 * 1000 * 1000);
|
|
addr /= (1000 * 1000 * 1000);
|
|
i++;
|
|
width -= 9;
|
|
}
|
|
while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0])));
|
|
|
|
width += 9;
|
|
if (width < 0)
|
|
width = 0;
|
|
|
|
switch (i)
|
|
{
|
|
case 1:
|
|
xsnprintf (str, CELLSIZE, "%s%0*lu", sign, width, temp[0]);
|
|
break;
|
|
case 2:
|
|
xsnprintf (str, CELLSIZE, "%s%0*lu%09lu", sign, width,
|
|
temp[1], temp[0]);
|
|
break;
|
|
case 3:
|
|
xsnprintf (str, CELLSIZE, "%s%0*lu%09lu%09lu", sign, width,
|
|
temp[2], temp[1], temp[0]);
|
|
break;
|
|
default:
|
|
internal_error (__FILE__, __LINE__,
|
|
_("failed internal consistency check"));
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
static char *
|
|
octal2str (ULONGEST addr, int width)
|
|
{
|
|
unsigned long temp[3];
|
|
char *str = get_cell ();
|
|
int i = 0;
|
|
|
|
do
|
|
{
|
|
temp[i] = addr % (0100000 * 0100000);
|
|
addr /= (0100000 * 0100000);
|
|
i++;
|
|
width -= 10;
|
|
}
|
|
while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0])));
|
|
|
|
width += 10;
|
|
if (width < 0)
|
|
width = 0;
|
|
|
|
switch (i)
|
|
{
|
|
case 1:
|
|
if (temp[0] == 0)
|
|
xsnprintf (str, CELLSIZE, "%*o", width, 0);
|
|
else
|
|
xsnprintf (str, CELLSIZE, "0%0*lo", width, temp[0]);
|
|
break;
|
|
case 2:
|
|
xsnprintf (str, CELLSIZE, "0%0*lo%010lo", width, temp[1], temp[0]);
|
|
break;
|
|
case 3:
|
|
xsnprintf (str, CELLSIZE, "0%0*lo%010lo%010lo", width,
|
|
temp[2], temp[1], temp[0]);
|
|
break;
|
|
default:
|
|
internal_error (__FILE__, __LINE__,
|
|
_("failed internal consistency check"));
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
char *
|
|
pulongest (ULONGEST u)
|
|
{
|
|
return decimal2str ("", u, 0);
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
char *
|
|
plongest (LONGEST l)
|
|
{
|
|
if (l < 0)
|
|
return decimal2str ("-", -l, 0);
|
|
else
|
|
return decimal2str ("", l, 0);
|
|
}
|
|
|
|
/* Eliminate warning from compiler on 32-bit systems. */
|
|
static int thirty_two = 32;
|
|
|
|
/* See print-utils.h. */
|
|
|
|
char *
|
|
phex (ULONGEST l, int sizeof_l)
|
|
{
|
|
char *str;
|
|
|
|
switch (sizeof_l)
|
|
{
|
|
case 8:
|
|
str = get_cell ();
|
|
xsnprintf (str, CELLSIZE, "%08lx%08lx",
|
|
(unsigned long) (l >> thirty_two),
|
|
(unsigned long) (l & 0xffffffff));
|
|
break;
|
|
case 4:
|
|
str = get_cell ();
|
|
xsnprintf (str, CELLSIZE, "%08lx", (unsigned long) l);
|
|
break;
|
|
case 2:
|
|
str = get_cell ();
|
|
xsnprintf (str, CELLSIZE, "%04x", (unsigned short) (l & 0xffff));
|
|
break;
|
|
default:
|
|
str = phex (l, sizeof (l));
|
|
break;
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
char *
|
|
phex_nz (ULONGEST l, int sizeof_l)
|
|
{
|
|
char *str;
|
|
|
|
switch (sizeof_l)
|
|
{
|
|
case 8:
|
|
{
|
|
unsigned long high = (unsigned long) (l >> thirty_two);
|
|
|
|
str = get_cell ();
|
|
if (high == 0)
|
|
xsnprintf (str, CELLSIZE, "%lx",
|
|
(unsigned long) (l & 0xffffffff));
|
|
else
|
|
xsnprintf (str, CELLSIZE, "%lx%08lx", high,
|
|
(unsigned long) (l & 0xffffffff));
|
|
break;
|
|
}
|
|
case 4:
|
|
str = get_cell ();
|
|
xsnprintf (str, CELLSIZE, "%lx", (unsigned long) l);
|
|
break;
|
|
case 2:
|
|
str = get_cell ();
|
|
xsnprintf (str, CELLSIZE, "%x", (unsigned short) (l & 0xffff));
|
|
break;
|
|
default:
|
|
str = phex_nz (l, sizeof (l));
|
|
break;
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
char *
|
|
hex_string (LONGEST num)
|
|
{
|
|
char *result = get_cell ();
|
|
|
|
xsnprintf (result, CELLSIZE, "0x%s", phex_nz (num, sizeof (num)));
|
|
return result;
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
char *
|
|
hex_string_custom (LONGEST num, int width)
|
|
{
|
|
char *result = get_cell ();
|
|
char *result_end = result + CELLSIZE - 1;
|
|
const char *hex = phex_nz (num, sizeof (num));
|
|
int hex_len = strlen (hex);
|
|
|
|
if (hex_len > width)
|
|
width = hex_len;
|
|
if (width + 2 >= CELLSIZE)
|
|
internal_error (__FILE__, __LINE__, _("\
|
|
hex_string_custom: insufficient space to store result"));
|
|
|
|
strcpy (result_end - width - 2, "0x");
|
|
memset (result_end - width, '0', width);
|
|
strcpy (result_end - hex_len, hex);
|
|
return result_end - width - 2;
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
char *
|
|
int_string (LONGEST val, int radix, int is_signed, int width,
|
|
int use_c_format)
|
|
{
|
|
switch (radix)
|
|
{
|
|
case 16:
|
|
{
|
|
char *result;
|
|
|
|
if (width == 0)
|
|
result = hex_string (val);
|
|
else
|
|
result = hex_string_custom (val, width);
|
|
if (! use_c_format)
|
|
result += 2;
|
|
return result;
|
|
}
|
|
case 10:
|
|
{
|
|
if (is_signed && val < 0)
|
|
return decimal2str ("-", -val, width);
|
|
else
|
|
return decimal2str ("", val, width);
|
|
}
|
|
case 8:
|
|
{
|
|
char *result = octal2str (val, width);
|
|
|
|
if (use_c_format || val == 0)
|
|
return result;
|
|
else
|
|
return result + 1;
|
|
}
|
|
default:
|
|
internal_error (__FILE__, __LINE__,
|
|
_("failed internal consistency check"));
|
|
}
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
const char *
|
|
core_addr_to_string (const CORE_ADDR addr)
|
|
{
|
|
char *str = get_cell ();
|
|
|
|
strcpy (str, "0x");
|
|
strcat (str, phex (addr, sizeof (addr)));
|
|
return str;
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
const char *
|
|
core_addr_to_string_nz (const CORE_ADDR addr)
|
|
{
|
|
char *str = get_cell ();
|
|
|
|
strcpy (str, "0x");
|
|
strcat (str, phex_nz (addr, sizeof (addr)));
|
|
return str;
|
|
}
|
|
|
|
/* See print-utils.h. */
|
|
|
|
const char *
|
|
host_address_to_string (const void *addr)
|
|
{
|
|
char *str = get_cell ();
|
|
|
|
xsnprintf (str, CELLSIZE, "0x%s", phex_nz ((uintptr_t) addr, sizeof (addr)));
|
|
return str;
|
|
}
|