pub_core_clreq.h revision 663860b1408516d02ebfcb3a9999a134e6cfb223 
1
2/*--------------------------------------------------------------------*/
3/*--- Internal client requests.                   pub_core_clreq.h ---*/
4/*--------------------------------------------------------------------*/
5
6/*
7   This file is part of Valgrind, a dynamic binary instrumentation
8   framework.
9
10   Copyright (C) 2000-2012 Julian Seward
11      jseward@acm.org
12
13   This program is free software; you can redistribute it and/or
14   modify it under the terms of the GNU General Public License as
15   published by the Free Software Foundation; either version 2 of the
16   License, or (at your option) any later version.
17
18   This program is distributed in the hope that it will be useful, but
19   WITHOUT ANY WARRANTY; without even the implied warranty of
20   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21   General Public License for more details.
22
23   You should have received a copy of the GNU General Public License
24   along with this program; if not, write to the Free Software
25   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26   02111-1307, USA.
27
28   The GNU General Public License is contained in the file COPYING.
29*/
30
31#ifndef __PUB_CORE_CLREQ_H
32#define __PUB_CORE_CLREQ_H
33
34//--------------------------------------------------------------------
35// PURPOSE: This module defined client requests.
36//--------------------------------------------------------------------
37
38#include "pub_tool_clreq.h"
39
40// The strange choice of values here is due to historical reasons -- there
41// used to be many more internal client requests.
42typedef
43   enum {
44      /* Denote the finish of __libc_freeres_wrapper().  Also causes exit. */
45      VG_USERREQ__LIBC_FREERES_DONE = 0x3029,
46
47      /* Get the tool's malloc-wrapping functions */
48      VG_USERREQ__GET_MALLOCFUNCS   = 0x3030,
49
50      /* Internal equivalent of VALGRIND_PRINTF_VALIST_BY_REF . */
51      VG_USERREQ__INTERNAL_PRINTF_VALIST_BY_REF = 0x3103,
52
53      /* Add a target for an indirect function redirection. */
54      VG_USERREQ__ADD_IFUNC_TARGET  = 0x3104,
55
56   } Vg_InternalClientRequest;
57
58// Function for printing from code within Valgrind, but which runs on the
59// sim'd CPU.  Must be a function rather than macros so that va_list can
60// be used.
61
62static int VALGRIND_INTERNAL_PRINTF(const char *format, ...)
63   __attribute__((format(__printf__, 1, 2), __unused__));
64static int VALGRIND_INTERNAL_PRINTF(const char *format, ...)
65{
66   unsigned long _qzz_res = 0;
67   va_list vargs;
68   va_start(vargs, format);
69   VALGRIND_DO_CLIENT_REQUEST(
70      _qzz_res, 0, VG_USERREQ__INTERNAL_PRINTF_VALIST_BY_REF,
71      (unsigned long)format, (unsigned long)&vargs, 0, 0, 0
72   );
73   va_end(vargs);
74   return _qzz_res;
75}
76
77
78#endif   // __PUB_CORE_CLREQ_H
79
80/*--------------------------------------------------------------------*/
81/*--- end                                                          ---*/
82/*--------------------------------------------------------------------*/
83