1999-04-16 03:35:26 +02:00
|
|
|
|
/* Remote target callback routines.
|
|
|
|
|
Copyright 1995, 1996, 1997 Free Software Foundation, Inc.
|
|
|
|
|
Contributed by Cygnus Solutions.
|
|
|
|
|
|
|
|
|
|
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 2 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 GAS; see the file COPYING. If not, write to the Free Software
|
|
|
|
|
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
|
|
|
|
|
|
/* This file provides a standard way for targets to talk to the host OS
|
|
|
|
|
level. */
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
|
|
|
#include "config.h"
|
|
|
|
|
#endif
|
|
|
|
|
#include "ansidecl.h"
|
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
|
|
|
|
#include <stdarg.h>
|
|
|
|
|
#else
|
|
|
|
|
#include <varargs.h>
|
|
|
|
|
#endif
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
#ifdef HAVE_STDLIB_H
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef HAVE_STRING_H
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#else
|
|
|
|
|
#ifdef HAVE_STRINGS_H
|
|
|
|
|
#include <strings.h>
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
#include <errno.h>
|
|
|
|
|
#include <fcntl.h>
|
|
|
|
|
#include <time.h>
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
|
#include <sys/stat.h>
|
|
|
|
|
#include "callback.h"
|
|
|
|
|
#include "targ-vals.h"
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
|
|
|
#include <unistd.h>
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* ??? sim_cb_printf should be cb_printf, but until the callback support is
|
|
|
|
|
broken out of the simulator directory, these are here to not require
|
|
|
|
|
sim-utils.h. */
|
|
|
|
|
void sim_cb_printf PARAMS ((host_callback *, const char *, ...));
|
|
|
|
|
void sim_cb_eprintf PARAMS ((host_callback *, const char *, ...));
|
|
|
|
|
|
|
|
|
|
extern CB_TARGET_DEFS_MAP cb_init_syscall_map[];
|
|
|
|
|
extern CB_TARGET_DEFS_MAP cb_init_errno_map[];
|
|
|
|
|
extern CB_TARGET_DEFS_MAP cb_init_open_map[];
|
|
|
|
|
|
|
|
|
|
extern int system PARAMS ((const char *));
|
|
|
|
|
|
|
|
|
|
static int os_init PARAMS ((host_callback *));
|
|
|
|
|
static int os_shutdown PARAMS ((host_callback *));
|
|
|
|
|
static int os_unlink PARAMS ((host_callback *, const char *));
|
|
|
|
|
static long os_time PARAMS ((host_callback *, long *));
|
|
|
|
|
static int os_system PARAMS ((host_callback *, const char *));
|
|
|
|
|
static int os_rename PARAMS ((host_callback *, const char *, const char *));
|
|
|
|
|
static int os_write_stdout PARAMS ((host_callback *, const char *, int));
|
|
|
|
|
static void os_flush_stdout PARAMS ((host_callback *));
|
|
|
|
|
static int os_write_stderr PARAMS ((host_callback *, const char *, int));
|
|
|
|
|
static void os_flush_stderr PARAMS ((host_callback *));
|
|
|
|
|
static int os_write PARAMS ((host_callback *, int, const char *, int));
|
|
|
|
|
static int os_read_stdin PARAMS ((host_callback *, char *, int));
|
|
|
|
|
static int os_read PARAMS ((host_callback *, int, char *, int));
|
|
|
|
|
static int os_open PARAMS ((host_callback *, const char *, int));
|
|
|
|
|
static int os_lseek PARAMS ((host_callback *, int, long, int));
|
|
|
|
|
static int os_isatty PARAMS ((host_callback *, int));
|
|
|
|
|
static int os_get_errno PARAMS ((host_callback *));
|
|
|
|
|
static int os_close PARAMS ((host_callback *, int));
|
|
|
|
|
static void os_vprintf_filtered PARAMS ((host_callback *, const char *, va_list));
|
|
|
|
|
static void os_evprintf_filtered PARAMS ((host_callback *, const char *, va_list));
|
|
|
|
|
static void os_error PARAMS ((host_callback *, const char *, ...));
|
|
|
|
|
static int fdmap PARAMS ((host_callback *, int));
|
|
|
|
|
static int fdbad PARAMS ((host_callback *, int));
|
|
|
|
|
static int wrap PARAMS ((host_callback *, int));
|
|
|
|
|
|
|
|
|
|
/* Set the callback copy of errno from what we see now. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
wrap (p, val)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int val;
|
|
|
|
|
{
|
|
|
|
|
p->last_errno = errno;
|
|
|
|
|
return val;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Make sure the FD provided is ok. If not, return non-zero
|
|
|
|
|
and set errno. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
fdbad (p, fd)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int fd;
|
|
|
|
|
{
|
|
|
|
|
if (fd < 0 || fd > MAX_CALLBACK_FDS || !p->fdopen[fd])
|
|
|
|
|
{
|
|
|
|
|
p->last_errno = EINVAL;
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
fdmap (p, fd)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int fd;
|
|
|
|
|
{
|
|
|
|
|
return p->fdmap[fd];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_close (p, fd)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int fd;
|
|
|
|
|
{
|
|
|
|
|
int result;
|
|
|
|
|
|
|
|
|
|
result = fdbad (p, fd);
|
|
|
|
|
if (result)
|
|
|
|
|
return result;
|
|
|
|
|
result = wrap (p, close (fdmap (p, fd)));
|
|
|
|
|
if (result == 0 && !p->alwaysopen[fd])
|
|
|
|
|
p->fdopen[fd] = 0;
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* taken from gdb/util.c:notice_quit() - should be in a library */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#if defined(__GO32__) || defined (_MSC_VER)
|
|
|
|
|
static int
|
|
|
|
|
os_poll_quit (p)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
{
|
|
|
|
|
#if defined(__GO32__)
|
|
|
|
|
int kbhit ();
|
|
|
|
|
int getkey ();
|
|
|
|
|
if (kbhit ())
|
|
|
|
|
{
|
|
|
|
|
int k = getkey ();
|
|
|
|
|
if (k == 1)
|
|
|
|
|
{
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
else if (k == 2)
|
|
|
|
|
{
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
sim_cb_eprintf (p, "CTRL-A to quit, CTRL-B to quit harder\n");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#if defined (_MSC_VER)
|
|
|
|
|
/* NB - this will not compile! */
|
|
|
|
|
int k = win32pollquit();
|
|
|
|
|
if (k == 1)
|
|
|
|
|
return 1;
|
|
|
|
|
else if (k == 2)
|
|
|
|
|
return 1;
|
|
|
|
|
#endif
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
#define os_poll_quit 0
|
|
|
|
|
#endif /* defined(__GO32__) || defined(_MSC_VER) */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_get_errno (p)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
{
|
|
|
|
|
return cb_host_to_target_errno (p, p->last_errno);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_isatty (p, fd)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int fd;
|
|
|
|
|
{
|
|
|
|
|
int result;
|
|
|
|
|
|
|
|
|
|
result = fdbad (p, fd);
|
|
|
|
|
if (result)
|
|
|
|
|
return result;
|
|
|
|
|
result = wrap (p, isatty (fdmap (p, fd)));
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_lseek (p, fd, off, way)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int fd;
|
|
|
|
|
long off;
|
|
|
|
|
int way;
|
|
|
|
|
{
|
|
|
|
|
int result;
|
|
|
|
|
|
|
|
|
|
result = fdbad (p, fd);
|
|
|
|
|
if (result)
|
|
|
|
|
return result;
|
|
|
|
|
result = lseek (fdmap (p, fd), off, way);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_open (p, name, flags)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
const char *name;
|
|
|
|
|
int flags;
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
for (i = 0; i < MAX_CALLBACK_FDS; i++)
|
|
|
|
|
{
|
|
|
|
|
if (!p->fdopen[i])
|
|
|
|
|
{
|
|
|
|
|
int f = open (name, cb_target_to_host_open (p, flags), 0644);
|
|
|
|
|
if (f < 0)
|
|
|
|
|
{
|
|
|
|
|
p->last_errno = errno;
|
|
|
|
|
return f;
|
|
|
|
|
}
|
|
|
|
|
p->fdopen[i] = 1;
|
|
|
|
|
p->fdmap[i] = f;
|
|
|
|
|
return i;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
p->last_errno = EMFILE;
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_read (p, fd, buf, len)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int fd;
|
|
|
|
|
char *buf;
|
|
|
|
|
int len;
|
|
|
|
|
{
|
|
|
|
|
int result;
|
|
|
|
|
|
|
|
|
|
result = fdbad (p, fd);
|
|
|
|
|
if (result)
|
|
|
|
|
return result;
|
|
|
|
|
result = wrap (p, read (fdmap (p, fd), buf, len));
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_read_stdin (p, buf, len)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
char *buf;
|
|
|
|
|
int len;
|
|
|
|
|
{
|
|
|
|
|
return wrap (p, read (0, buf, len));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_write (p, fd, buf, len)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int fd;
|
|
|
|
|
const char *buf;
|
|
|
|
|
int len;
|
|
|
|
|
{
|
|
|
|
|
int result;
|
|
|
|
|
int real_fd;
|
|
|
|
|
|
|
|
|
|
result = fdbad (p, fd);
|
|
|
|
|
if (result)
|
|
|
|
|
return result;
|
|
|
|
|
real_fd = fdmap (p, fd);
|
|
|
|
|
switch (real_fd)
|
|
|
|
|
{
|
|
|
|
|
default:
|
|
|
|
|
result = wrap (p, write (real_fd, buf, len));
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
|
result = p->write_stdout (p, buf, len);
|
|
|
|
|
break;
|
|
|
|
|
case 2:
|
|
|
|
|
result = p->write_stderr (p, buf, len);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_write_stdout (p, buf, len)
|
2000-02-08 21:54:27 +01:00
|
|
|
|
host_callback *p ATTRIBUTE_UNUSED;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
const char *buf;
|
|
|
|
|
int len;
|
|
|
|
|
{
|
|
|
|
|
return fwrite (buf, 1, len, stdout);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
os_flush_stdout (p)
|
2000-02-08 21:54:27 +01:00
|
|
|
|
host_callback *p ATTRIBUTE_UNUSED;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
fflush (stdout);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_write_stderr (p, buf, len)
|
2000-02-08 21:54:27 +01:00
|
|
|
|
host_callback *p ATTRIBUTE_UNUSED;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
const char *buf;
|
|
|
|
|
int len;
|
|
|
|
|
{
|
|
|
|
|
return fwrite (buf, 1, len, stderr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
os_flush_stderr (p)
|
2000-02-08 21:54:27 +01:00
|
|
|
|
host_callback *p ATTRIBUTE_UNUSED;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
fflush (stderr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_rename (p, f1, f2)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
const char *f1;
|
|
|
|
|
const char *f2;
|
|
|
|
|
{
|
|
|
|
|
return wrap (p, rename (f1, f2));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_system (p, s)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
const char *s;
|
|
|
|
|
{
|
|
|
|
|
return wrap (p, system (s));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static long
|
|
|
|
|
os_time (p, t)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
long *t;
|
|
|
|
|
{
|
|
|
|
|
return wrap (p, time (t));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_unlink (p, f1)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
const char *f1;
|
|
|
|
|
{
|
|
|
|
|
return wrap (p, unlink (f1));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_stat (p, file, buf)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
const char *file;
|
|
|
|
|
struct stat *buf;
|
|
|
|
|
{
|
|
|
|
|
/* ??? There is an issue of when to translate to the target layout.
|
|
|
|
|
One could do that inside this function, or one could have the
|
|
|
|
|
caller do it. It's more flexible to let the caller do it, though
|
|
|
|
|
I'm not sure the flexibility will ever be useful. */
|
|
|
|
|
return wrap (p, stat (file, buf));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_fstat (p, fd, buf)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
int fd;
|
|
|
|
|
struct stat *buf;
|
|
|
|
|
{
|
|
|
|
|
if (fdbad (p, fd))
|
|
|
|
|
return -1;
|
|
|
|
|
/* ??? There is an issue of when to translate to the target layout.
|
|
|
|
|
One could do that inside this function, or one could have the
|
|
|
|
|
caller do it. It's more flexible to let the caller do it, though
|
|
|
|
|
I'm not sure the flexibility will ever be useful. */
|
|
|
|
|
return wrap (p, fstat (fdmap (p, fd), buf));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_shutdown (p)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
for (i = 0; i < MAX_CALLBACK_FDS; i++)
|
|
|
|
|
{
|
|
|
|
|
if (p->fdopen[i] && !p->alwaysopen[i]) {
|
|
|
|
|
close (p->fdmap[i]);
|
|
|
|
|
p->fdopen[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
os_init (p)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
os_shutdown (p);
|
|
|
|
|
for (i = 0; i < 3; i++)
|
|
|
|
|
{
|
|
|
|
|
p->fdmap[i] = i;
|
|
|
|
|
p->fdopen[i] = 1;
|
|
|
|
|
p->alwaysopen[i] = 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
p->syscall_map = cb_init_syscall_map;
|
|
|
|
|
p->errno_map = cb_init_errno_map;
|
|
|
|
|
p->open_map = cb_init_open_map;
|
|
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
2002-05-02 01:26:32 +02:00
|
|
|
|
/* DEPRECATED */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
/* VARARGS */
|
|
|
|
|
static void
|
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
2000-02-08 21:54:27 +01:00
|
|
|
|
os_printf_filtered (host_callback *p ATTRIBUTE_UNUSED, const char *format, ...)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#else
|
|
|
|
|
os_printf_filtered (p, va_alist)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
va_dcl
|
|
|
|
|
#endif
|
|
|
|
|
{
|
|
|
|
|
va_list args;
|
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
|
|
|
|
va_start (args, format);
|
|
|
|
|
#else
|
|
|
|
|
char *format;
|
|
|
|
|
|
|
|
|
|
va_start (args);
|
|
|
|
|
format = va_arg (args, char *);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
vfprintf (stdout, format, args);
|
|
|
|
|
va_end (args);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* VARARGS */
|
|
|
|
|
static void
|
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
2000-02-08 21:54:27 +01:00
|
|
|
|
os_vprintf_filtered (host_callback *p ATTRIBUTE_UNUSED, const char *format, va_list args)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#else
|
|
|
|
|
os_vprintf_filtered (p, format, args)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
const char *format;
|
|
|
|
|
va_list args;
|
|
|
|
|
#endif
|
|
|
|
|
{
|
|
|
|
|
vprintf (format, args);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* VARARGS */
|
|
|
|
|
static void
|
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
2000-02-08 21:54:27 +01:00
|
|
|
|
os_evprintf_filtered (host_callback *p ATTRIBUTE_UNUSED, const char *format, va_list args)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#else
|
|
|
|
|
os_evprintf_filtered (p, format, args)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
const char *format;
|
|
|
|
|
va_list args;
|
|
|
|
|
#endif
|
|
|
|
|
{
|
|
|
|
|
vfprintf (stderr, format, args);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* VARARGS */
|
|
|
|
|
static void
|
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
2000-02-08 21:54:27 +01:00
|
|
|
|
os_error (host_callback *p ATTRIBUTE_UNUSED, const char *format, ...)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#else
|
|
|
|
|
os_error (p, va_alist)
|
|
|
|
|
host_callback *p;
|
|
|
|
|
va_dcl
|
|
|
|
|
#endif
|
|
|
|
|
{
|
|
|
|
|
va_list args;
|
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
|
|
|
|
va_start (args, format);
|
|
|
|
|
#else
|
|
|
|
|
char *format;
|
|
|
|
|
|
|
|
|
|
va_start (args);
|
|
|
|
|
format = va_arg (args, char *);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
vfprintf (stderr, format, args);
|
|
|
|
|
fprintf (stderr, "\n");
|
|
|
|
|
|
|
|
|
|
va_end (args);
|
|
|
|
|
exit (1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
host_callback default_callback =
|
|
|
|
|
{
|
|
|
|
|
os_close,
|
|
|
|
|
os_get_errno,
|
|
|
|
|
os_isatty,
|
|
|
|
|
os_lseek,
|
|
|
|
|
os_open,
|
|
|
|
|
os_read,
|
|
|
|
|
os_read_stdin,
|
|
|
|
|
os_rename,
|
|
|
|
|
os_system,
|
|
|
|
|
os_time,
|
|
|
|
|
os_unlink,
|
|
|
|
|
os_write,
|
|
|
|
|
os_write_stdout,
|
|
|
|
|
os_flush_stdout,
|
|
|
|
|
os_write_stderr,
|
|
|
|
|
os_flush_stderr,
|
|
|
|
|
|
|
|
|
|
os_stat,
|
|
|
|
|
os_fstat,
|
|
|
|
|
|
|
|
|
|
os_poll_quit,
|
|
|
|
|
|
|
|
|
|
os_shutdown,
|
|
|
|
|
os_init,
|
|
|
|
|
|
|
|
|
|
os_printf_filtered, /* deprecated */
|
|
|
|
|
|
|
|
|
|
os_vprintf_filtered,
|
|
|
|
|
os_evprintf_filtered,
|
|
|
|
|
os_error,
|
|
|
|
|
|
|
|
|
|
0, /* last errno */
|
|
|
|
|
|
|
|
|
|
{ 0, }, /* fdmap */
|
|
|
|
|
{ 0, }, /* fdopen */
|
|
|
|
|
{ 0, }, /* alwaysopen */
|
|
|
|
|
|
|
|
|
|
0, /* syscall_map */
|
|
|
|
|
0, /* errno_map */
|
|
|
|
|
0, /* open_map */
|
|
|
|
|
0, /* signal_map */
|
|
|
|
|
0, /* stat_map */
|
|
|
|
|
|
|
|
|
|
HOST_CALLBACK_MAGIC,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* Read in a file describing the target's system call values.
|
|
|
|
|
E.g. maybe someone will want to use something other than newlib.
|
|
|
|
|
This assumes that the basic system call recognition and value passing/
|
|
|
|
|
returning is supported. So maybe some coding/recompilation will be
|
|
|
|
|
necessary, but not as much.
|
|
|
|
|
|
|
|
|
|
If an error occurs, the existing mapping is not changed. */
|
|
|
|
|
|
|
|
|
|
CB_RC
|
|
|
|
|
cb_read_target_syscall_maps (cb, file)
|
|
|
|
|
host_callback *cb;
|
|
|
|
|
const char *file;
|
|
|
|
|
{
|
|
|
|
|
CB_TARGET_DEFS_MAP *syscall_map, *errno_map, *open_map, *signal_map;
|
|
|
|
|
const char *stat_map;
|
|
|
|
|
FILE *f;
|
|
|
|
|
|
|
|
|
|
if ((f = fopen (file, "r")) == NULL)
|
|
|
|
|
return CB_RC_ACCESS;
|
|
|
|
|
|
|
|
|
|
/* ... read in and parse file ... */
|
|
|
|
|
|
|
|
|
|
fclose (f);
|
|
|
|
|
return CB_RC_NO_MEM; /* FIXME:wip */
|
|
|
|
|
|
|
|
|
|
/* Free storage allocated for any existing maps. */
|
|
|
|
|
if (cb->syscall_map)
|
|
|
|
|
free (cb->syscall_map);
|
|
|
|
|
if (cb->errno_map)
|
|
|
|
|
free (cb->errno_map);
|
|
|
|
|
if (cb->open_map)
|
|
|
|
|
free (cb->open_map);
|
|
|
|
|
if (cb->signal_map)
|
|
|
|
|
free (cb->signal_map);
|
|
|
|
|
if (cb->stat_map)
|
|
|
|
|
free ((PTR) cb->stat_map);
|
|
|
|
|
|
|
|
|
|
cb->syscall_map = syscall_map;
|
|
|
|
|
cb->errno_map = errno_map;
|
|
|
|
|
cb->open_map = open_map;
|
|
|
|
|
cb->signal_map = signal_map;
|
|
|
|
|
cb->stat_map = stat_map;
|
|
|
|
|
|
|
|
|
|
return CB_RC_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Translate the target's version of a syscall number to the host's.
|
|
|
|
|
This isn't actually the host's version, rather a canonical form.
|
|
|
|
|
??? Perhaps this should be renamed to ..._canon_syscall. */
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
cb_target_to_host_syscall (cb, target_val)
|
|
|
|
|
host_callback *cb;
|
|
|
|
|
int target_val;
|
|
|
|
|
{
|
|
|
|
|
CB_TARGET_DEFS_MAP *m;
|
|
|
|
|
|
|
|
|
|
for (m = &cb->syscall_map[0]; m->target_val != -1; ++m)
|
|
|
|
|
if (m->target_val == target_val)
|
|
|
|
|
return m->host_val;
|
|
|
|
|
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* FIXME: sort tables if large.
|
|
|
|
|
Alternatively, an obvious improvement for errno conversion is
|
|
|
|
|
to machine generate a function with a large switch(). */
|
|
|
|
|
|
|
|
|
|
/* Translate the host's version of errno to the target's. */
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
cb_host_to_target_errno (cb, host_val)
|
|
|
|
|
host_callback *cb;
|
|
|
|
|
int host_val;
|
|
|
|
|
{
|
|
|
|
|
CB_TARGET_DEFS_MAP *m;
|
|
|
|
|
|
|
|
|
|
for (m = &cb->errno_map[0]; m->host_val; ++m)
|
|
|
|
|
if (m->host_val == host_val)
|
|
|
|
|
return m->target_val;
|
|
|
|
|
|
|
|
|
|
/* ??? Which error to return in this case is up for grabs.
|
|
|
|
|
Note that some missing values may have standard alternatives.
|
|
|
|
|
For now return 0 and require caller to deal with it. */
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Given a set of target bitmasks for the open system call,
|
|
|
|
|
return the host equivalent.
|
|
|
|
|
Mapping open flag values is best done by looping so there's no need
|
|
|
|
|
to machine generate this function. */
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
cb_target_to_host_open (cb, target_val)
|
|
|
|
|
host_callback *cb;
|
|
|
|
|
int target_val;
|
|
|
|
|
{
|
|
|
|
|
int host_val = 0;
|
|
|
|
|
CB_TARGET_DEFS_MAP *m;
|
|
|
|
|
|
|
|
|
|
for (m = &cb->open_map[0]; m->host_val != -1; ++m)
|
|
|
|
|
{
|
|
|
|
|
switch (m->target_val)
|
|
|
|
|
{
|
|
|
|
|
/* O_RDONLY can be (and usually is) 0 which needs to be treated
|
|
|
|
|
specially. */
|
|
|
|
|
case TARGET_O_RDONLY :
|
|
|
|
|
case TARGET_O_WRONLY :
|
|
|
|
|
case TARGET_O_RDWR :
|
|
|
|
|
if ((target_val & (TARGET_O_RDONLY | TARGET_O_WRONLY | TARGET_O_RDWR))
|
|
|
|
|
== m->target_val)
|
|
|
|
|
host_val |= m->host_val;
|
|
|
|
|
/* Handle the host/target differentiating between binary and
|
|
|
|
|
text mode. Only one case is of importance */
|
|
|
|
|
#if ! defined (TARGET_O_BINARY) && defined (O_BINARY)
|
|
|
|
|
host_val |= O_BINARY;
|
|
|
|
|
#endif
|
|
|
|
|
break;
|
|
|
|
|
default :
|
|
|
|
|
if ((m->target_val & target_val) == m->target_val)
|
|
|
|
|
host_val |= m->host_val;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return host_val;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Utility for cb_host_to_target_stat to store values in the target's
|
|
|
|
|
stat struct. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
store (p, size, val, big_p)
|
|
|
|
|
char *p;
|
|
|
|
|
int size;
|
|
|
|
|
long val; /* ??? must be as big as target word size */
|
|
|
|
|
int big_p;
|
|
|
|
|
{
|
|
|
|
|
if (big_p)
|
|
|
|
|
{
|
|
|
|
|
p += size;
|
|
|
|
|
while (size-- > 0)
|
|
|
|
|
{
|
|
|
|
|
*--p = val;
|
|
|
|
|
val >>= 8;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
while (size-- > 0)
|
|
|
|
|
{
|
|
|
|
|
*p++ = val;
|
|
|
|
|
val >>= 8;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Translate a host's stat struct into a target's.
|
|
|
|
|
If HS is NULL, just compute the length of the buffer required,
|
|
|
|
|
TS is ignored.
|
|
|
|
|
|
|
|
|
|
The result is the size of the target's stat struct,
|
2002-02-11 00:11:37 +01:00
|
|
|
|
or zero if an error occurred during the translation. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
cb_host_to_target_stat (cb, hs, ts)
|
|
|
|
|
host_callback *cb;
|
|
|
|
|
const struct stat *hs;
|
|
|
|
|
PTR ts;
|
|
|
|
|
{
|
|
|
|
|
const char *m = cb->stat_map;
|
|
|
|
|
char *p;
|
|
|
|
|
int big_p = 0;
|
|
|
|
|
|
|
|
|
|
if (hs == NULL)
|
|
|
|
|
ts = NULL;
|
|
|
|
|
p = ts;
|
|
|
|
|
|
|
|
|
|
while (m)
|
|
|
|
|
{
|
|
|
|
|
char *q = strchr (m, ',');
|
|
|
|
|
int size;
|
|
|
|
|
|
|
|
|
|
/* FIXME: Use sscanf? */
|
|
|
|
|
if (q == NULL)
|
|
|
|
|
{
|
|
|
|
|
/* FIXME: print error message */
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
size = atoi (q + 1);
|
|
|
|
|
if (size == 0)
|
|
|
|
|
{
|
|
|
|
|
/* FIXME: print error message */
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (hs != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (strncmp (m, "st_dev", q - m) == 0)
|
|
|
|
|
store (p, size, hs->st_dev, big_p);
|
|
|
|
|
else if (strncmp (m, "st_ino", q - m) == 0)
|
|
|
|
|
store (p, size, hs->st_ino, big_p);
|
|
|
|
|
/* FIXME:wip */
|
|
|
|
|
else
|
|
|
|
|
store (p, size, 0, big_p); /* unsupported field, store 0 */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
p += size;
|
|
|
|
|
m = strchr (q, ':');
|
|
|
|
|
if (m)
|
|
|
|
|
++m;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return p - (char *) ts;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Cover functions to the vfprintf callbacks.
|
|
|
|
|
|
|
|
|
|
??? If one thinks of the callbacks as a subsystem onto itself [or part of
|
|
|
|
|
a larger "remote target subsystem"] with a well defined interface, then
|
|
|
|
|
one would think that the subsystem would provide these. However, until
|
|
|
|
|
one is allowed to create such a subsystem (with its own source tree
|
|
|
|
|
independent of any particular user), such a critter can't exist. Thus
|
|
|
|
|
these functions are here for the time being. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
sim_cb_printf (host_callback *p, const char *fmt, ...)
|
|
|
|
|
{
|
|
|
|
|
va_list ap;
|
|
|
|
|
|
|
|
|
|
va_start (ap, fmt);
|
|
|
|
|
p->vprintf_filtered (p, fmt, ap);
|
|
|
|
|
va_end (ap);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
sim_cb_eprintf (host_callback *p, const char *fmt, ...)
|
|
|
|
|
{
|
|
|
|
|
va_list ap;
|
|
|
|
|
|
|
|
|
|
va_start (ap, fmt);
|
|
|
|
|
p->evprintf_filtered (p, fmt, ap);
|
|
|
|
|
va_end (ap);
|
|
|
|
|
}
|