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) 2000-2017 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.
42 typedef
43    enum {
44       /* Denote the finish of freeres_wrapper().  Also causes exit. */
45       VG_USERREQ__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 
59 /* Which freeres functions to run in the freeres_wrapper().
60    It is possible to run both. */
61 typedef enum {
62    /* Run __gnu_cxx::__freeres(). */
63    VG_RUN__GNU_CXX__FREERES = 1,
64 
65    /* Run __libc_freeres(). */
66    VG_RUN__LIBC_FREERES = 2
67 
68 } Vg_FreeresToRun;
69 
70 // Function for printing from code within Valgrind, but which runs on the
71 // sim'd CPU.  Must be a function rather than macros so that va_list can
72 // be used.
73 
74 static int VALGRIND_INTERNAL_PRINTF(const char *format, ...)
75    __attribute__((format(__printf__, 1, 2), __unused__));
76 static int VALGRIND_INTERNAL_PRINTF(const char *format, ...)
77 {
78    unsigned long _qzz_res = 0;
79    va_list vargs;
80    va_start(vargs, format);
81    VALGRIND_DO_CLIENT_REQUEST(
82       _qzz_res, 0, VG_USERREQ__INTERNAL_PRINTF_VALIST_BY_REF,
83       (unsigned long)format, (unsigned long)&vargs, 0, 0, 0
84    );
85    va_end(vargs);
86    return _qzz_res;
87 }
88 
89 
90 #endif   // __PUB_CORE_CLREQ_H
91 
92 /*--------------------------------------------------------------------*/
93 /*--- end                                                          ---*/
94 /*--------------------------------------------------------------------*/
95