coregrind/m_gdbserver/utils.c

   1 /* General utility routines for the remote server for GDB.
   2    Copyright (C) 1986, 1989, 1993, 1995, 1996, 1997, 1999, 2000, 2002, 2003,
   3    2011
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7    It has been modified to integrate it in valgrind
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22    Boston, MA 02110-1301, USA.  */
  23
  24 #include "server.h"
  25 /* Generally useful subroutines used throughout the program.  */
  26
  27 /* Print the system error message for sr.
  28    Then print the rest of the args. */
  29 void sr_perror (SysRes sr, const char *string,...)
  30 {
  31    va_list args;
  32    if (sr_isError (sr))
  33       VG_(umsg) ("error %lu %s\n", sr_Err(sr), VG_(strerror) (sr_Err(sr)));
  34    else
  35       VG_(umsg) ("sr_perror called with no error!!!\n");
  36    va_start (args, string);
  37    VG_(vmessage) ( Vg_UserMsg, string, args );
  38    va_end (args);
  39 }
  40
  41 /* Print an error message and return to command level.
  42    STRING is the error message, used as a fprintf string,
  43    and ARG is passed as an argument to it.  */
  44
  45 void error (const char *string,...)
  46 {
  47    va_list args;
  48    va_start (args, string);
  49    VG_(vmessage) ( Vg_UserMsg, string, args );
  50    va_end(args);
  51    VG_MINIMAL_LONGJMP(toplevel);
  52 }
  53
  54 /* Print an error message and exit reporting failure.
  55    This is for a error that we cannot continue from.
  56    STRING and ARG are passed to fprintf.  */
  57
  58 /* VARARGS */
  59 void fatal (const char *string,...)
  60 {
  61    va_list args;
  62    va_start (args, string);
  63    VG_(vmessage) ( Vg_UserMsg, string, args );
  64    va_end (args);
  65    VG_(exit) (1);
  66 }
  67
  68 /* VARARGS */
  69 void warning (const char *string,...)
  70 {
  71    va_list args;
  72    va_start (args, string);
  73    VG_(vmessage) ( Vg_UserMsg, string, args );
  74    va_end (args);
  75 }
  76
  77 #if 0
  78 /* print timestamp */
  79 static
  80 void dbgts(void)
  81 {
  82    struct vki_timeval dbgtv;
  83    SysRes res;
  84    res = VG_(do_syscall2)(__NR_gettimeofday, (UWord)&dbgtv, (UWord)NULL);
  85    // gettimeofday(&dbgtv, NULL);
  86    dlog(0, "%ld.%6ld ", dbgtv.tv_sec, dbgtv.tv_usec);
  87 }
  88 #endif