summaryrefslogtreecommitdiff
path: root/sysdeps/mach/hurd/mips/dl-machine.c
blob: ce2d5db5107412197fb2899e9207f3c5620401fb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/* 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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; 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>
#include <libintl.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;
}