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/* Print task vm information
Copyright (C) 1996,97,98,2002 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <stddef.h>
#include <argp.h>
#include <error.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <version.h>
#include <mach.h>
#include <mach/vm_statistics.h>
#include <mach/default_pager.h>
#include <hurd.h>
const char *argp_program_version = STANDARD_HURD_VERSION (vminfo);
static const struct argp_option options[] = {
{"verbose", 'v', 0, 0, "Give more detailed information"},
{"addresses", 'a', 0, 0, "Print region start addresses"},
{"sizes", 's', 0, 0, "Print region sizes"},
{"decimal", 'd', 0, 0, "Show number is decimal"},
{"holes", 'h', 0, 0, "Show holes between regions explicitly"},
{0}
};
static const char *args_doc = "PID [ADDR [SIZE]]]";
static const char *doc = "Show virtual memory regions for process PID"
"\vIf ADDR, and possibly SIZE, are given only regions enclosing the range"
" ADDR to ADDR+SIZE are shown (SIZE defaults to 0)."
"\nIf neither --addresses nor --sizes is specified, both are assumed.";
/* Possible things to show about regions. */
#define W_ADDRS 0x1
#define W_SIZES 0x2
#define W_DETAILS 0x4
static char *
prot_rep (vm_prot_t prot)
{
if (prot == 0)
return "0";
else
{
static char buf[20];
char *p = buf;
if (prot & VM_PROT_READ)
*p++ = 'R';
if (prot & VM_PROT_WRITE)
*p++ = 'W';
if (prot & VM_PROT_EXECUTE)
*p++ = 'X';
if (prot & ~VM_PROT_ALL)
sprintf (p, "+%#x", (prot & ~VM_PROT_ALL));
else
*p = '\0';
return buf;
}
}
static char *
inh_rep (vm_inherit_t inh)
{
static char buf[20];
switch (inh)
{
case VM_INHERIT_SHARE: return "share";
case VM_INHERIT_COPY: return "copy";
case VM_INHERIT_NONE: return "none";
default:
sprintf (buf, "%d", inh);
return buf;
}
}
static unsigned
parse_num (char *arg, unsigned base, struct argp_state *state, char *what)
{
char *arg_end;
unsigned long num = strtoul (arg, &arg_end, base);
if (*arg == '\0' || *arg_end != '\0')
argp_error (state, "%s: Invalid %s", arg, what);
return num;
}
int
main (int argc, char **argv)
{
error_t err;
int what = 0, hex = 1, holes = 0;
vm_offset_t addr = 0, max_addr = ~addr;
task_t task;
/* Parse our options... */
error_t parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
pid_t pid;
process_t proc;
case 'a': what |= W_ADDRS; break;
case 's': what |= W_SIZES; break;
case 'v': what |= W_DETAILS; break;
case 'd': hex = 0; break;
case 'h': holes = 1; break;
case ARGP_KEY_ARG:
switch (state->arg_num)
{
case 0: /* PID */
pid = parse_num (arg, 10, state, "PID");
proc = getproc ();
err = proc_pid2task (proc, pid, &task);
if (err)
argp_failure (state, 11, err, "%s", arg);
break;
case 1: /* ADDR */
addr = max_addr = parse_num (arg, 0, state, "address"); break;
case 2: /* SIZE */
max_addr = addr + parse_num (arg, 0, state, "size"); break;
default:
argp_usage (state);
}
break;
case ARGP_KEY_NO_ARGS:
argp_usage (state);
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
const struct argp argp = { options, parse_opt, args_doc, doc };
/* Parse our arguments. */
argp_parse (&argp, argc, argv, 0, 0, 0);
if ((what & ~W_DETAILS) == 0)
what = W_ADDRS | W_SIZES | W_DETAILS;
while (addr <= max_addr)
{
vm_size_t size;
vm_prot_t prot, max_prot;
mach_port_t obj;
vm_offset_t offs;
vm_inherit_t inh;
int shared;
vm_offset_t hole_addr = addr;
err =
vm_region (task, &addr, &size, &prot, &max_prot, &inh, &shared,
&obj, &offs);
if (err)
{
if (err != EKERN_NO_SPACE)
error (12, err, "vm_region");
break;
}
if (holes && hole_addr != addr)
{
if ((what & (W_ADDRS|W_SIZES)) == (W_ADDRS|W_SIZES))
{
if (hex)
printf (" [%#lx] (hole)\n", addr - hole_addr);
else
printf (" [%lu] (hole)\n", addr - hole_addr);
}
else if ((what & (W_ADDRS|W_SIZES)) == W_SIZES)
{
if (hex)
printf ("%#10lx (hole)\n", addr - hole_addr);
else
printf ("%10lu (hole)\n", addr - hole_addr);
}
}
if ((what & (W_ADDRS|W_SIZES)) == (W_ADDRS|W_SIZES))
if (hex)
printf ("%#10lx[%#zx]", addr, size);
else
printf ("%10lu[%zd]", addr, size);
else if ((what & (W_ADDRS|W_SIZES)) == W_ADDRS)
if (hex)
printf ("%#10lx", addr);
else
printf ("%10lu", addr);
else if ((what & (W_ADDRS|W_SIZES)) == W_SIZES)
{
if (hex)
printf ("%#10zx", size);
else
printf ("%10zu", size);
}
if (what & W_DETAILS)
{
printf (" (prot=%s", prot_rep (prot));
if (max_prot != prot)
printf (", max_prot=%s", prot_rep (max_prot));
if (inh != VM_INHERIT_DEFAULT)
printf (", inherit=%s", inh_rep (inh));
if (shared)
printf (", shared");
if (obj != MACH_PORT_NULL)
printf (", mem_obj=%lu", obj);
if (offs != 0)
{
if (hex)
printf (", offs=%#lx", offs);
else
printf (", offs=%lu", offs);
}
putchar (')');
}
putchar ('\n');
addr += size;
}
exit (0);
}
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