132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/* Operating system support for run-time dynamic linker. MIPS specific
|
|
stuffs on Hurd.
|
|
Copyright (C) 1996, 1997 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <hurd.h>
|
|
#include <link.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <sys/mman.h>
|
|
#include <assert.h>
|
|
#include <sysdep.h>
|
|
#include <mach/mig_support.h>
|
|
#include "../stdio-common/_itoa.h"
|
|
#include <stdarg.h>
|
|
#include <ctype.h>
|
|
#include <sys/stat.h>
|
|
|
|
void weak_function
|
|
abort (void)
|
|
{
|
|
_exit (127);
|
|
}
|
|
|
|
|
|
#include <string.h>
|
|
#include <mach/error.h>
|
|
#include <errorlib.h>
|
|
|
|
#undef _
|
|
#define _(x) x
|
|
|
|
/* Return a string describing the errno code in ERRNUM. */
|
|
char * weak_function
|
|
_strerror_internal (int errnum, char *buf, size_t buflen)
|
|
{
|
|
int system;
|
|
int sub;
|
|
int code;
|
|
const struct error_system *es;
|
|
extern void __mach_error_map_compat (int *);
|
|
|
|
__mach_error_map_compat (&errnum);
|
|
|
|
system = err_get_system (errnum);
|
|
sub = err_get_sub (errnum);
|
|
code = err_get_code (errnum);
|
|
|
|
if (system > err_max_system || ! __mach_error_systems[system].bad_sub)
|
|
{
|
|
const char *unk = _("Error in unknown error system: ");
|
|
const size_t unklen = strlen (unk);
|
|
char *p = buf + buflen;
|
|
*--p = '\0';
|
|
p = _itoa (errnum, p, 16, 1);
|
|
return memcpy (p - unklen, unk, unklen);
|
|
}
|
|
|
|
es = &__mach_error_systems[system];
|
|
|
|
if (sub >= es->max_sub)
|
|
return (char *) es->bad_sub;
|
|
|
|
if (code >= es->subsystem[sub].max_code)
|
|
{
|
|
const char *unk = _("Unknown error ");
|
|
const size_t unklen = strlen (unk);
|
|
char *p = buf + buflen;
|
|
size_t len = strlen (es->subsystem[sub].subsys_name);
|
|
*--p = '\0';
|
|
p = _itoa (errnum, p, 16, 1);
|
|
*p-- = ' ';
|
|
p = memcpy (p - len, es->subsystem[sub].subsys_name, len);
|
|
return memcpy (p - unklen, unk, unklen);
|
|
}
|
|
|
|
return (char *) _(es->subsystem[sub].codes[code]);
|
|
}
|
|
|
|
/* Read the whole contents of FILE into new mmap'd space with given
|
|
protections. The size of the file is returned in SIZE. */
|
|
void *
|
|
_dl_sysdep_read_whole_file (const char *file, size_t *size, int prot)
|
|
{
|
|
struct stat stat;
|
|
mach_port_t memobj_rd;
|
|
void *contents;
|
|
error_t err;
|
|
|
|
memobj_rd = __open (file, O_RDONLY, 0);
|
|
if (memobj_rd)
|
|
{
|
|
err = __io_stat ((file_t) memobj_rd, &stat);
|
|
if (err)
|
|
{
|
|
__hurd_fail (err);
|
|
contents = 0;
|
|
}
|
|
else
|
|
{
|
|
/* Map a copy of the file contents. */
|
|
contents = __mmap (0, stat.st_size, prot, MAP_COPY, memobj_rd, 0);
|
|
if (contents == (void *)-1)
|
|
contents = 0;
|
|
else
|
|
*size = stat.st_size;
|
|
}
|
|
|
|
__mach_port_deallocate (__mach_task_self (), memobj_rd);
|
|
}
|
|
else
|
|
contents = 0;
|
|
|
|
return contents;
|
|
}
|