coregrind/pub_core_clreq.h

   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 /*--------------------------------------------------------------------*/