filter.h File Reference

Go to the source code of this file.

Functions
int	insertAddress (unsigned long address)
void	outputAddresses (char *cmd)
void	generategdbscripts ()

Function Documentation

void generategdbscripts

(

)

Definition at line 97 of file filter.cc.

References AddressTable::addresses, AddressTable::counter, and Detected.

Referenced by openFilter().

{
  int i;

  pid_t myselfpid = getpid();
  char gdbcommands[1024];
  gdbcommands[0]  = 0;
  sprintf(gdbcommands, "./gdbcommands.%d", myselfpid);

  FILE *fp = fopen(gdbcommands, "w+");
  for (i = 0 ; i < Detected.counter ; i++)
  {
    fprintf(fp, "break *0x%lx\n", Detected.addresses[i]); 
    fprintf(fp, "commands\n");
    fprintf(fp, "bt 10\n");
    fprintf(fp, "cont\n");
    fprintf(fp, "end\n");
  }
  fprintf(fp, "cont\n");
  fclose(fp);
}

int insertAddress

(

unsigned long

address

)

Definition at line 44 of file filter.cc.

References AddressTable::addresses, assert, AddressTable::counter, Detected, findAddress(), malloc(), position, realloc(), and AddressTable::space.

Referenced by openFilter().

{
  if (position == -1)
  {
    Detected.space = 4096;
    assert(0 != (Detected.addresses = (unsigned long *) malloc(sizeof(unsigned long) * Detected.space)));
    Detected.counter = 1;
    position = 0;
    #ifdef ADDRESSTABLEDEBUG
    printf("Inserted position: %d, address: 0x%lx.\n", position, address);
    #endif
    Detected.addresses[position] = address;
    return 0;
  }
  else
  {
    if (-1 == findAddress(address))
    {
      #ifdef ADDRESSTABLEDEBUG
      printf("Inserted position: %d, address: 0x%lx.\n", position, address);
      #endif
      Detected.counter++;
      if (Detected.counter > Detected.space)
      {
        Detected.space = Detected.space + 4096;

        assert(0 != (Detected.addresses = (unsigned long *) realloc((char *)Detected.addresses, sizeof(unsigned long) * Detected.space)));
      }
      int i;
      for (i = Detected.counter - 1; i > position ; i--)
        Detected.addresses[i] = Detected.addresses[i - 1];
      Detected.addresses[i] = address;

      return 0;
    }
    else
      return -1;
  }
}

void outputAddresses

(

char *

cmd

)

Definition at line 84 of file filter.cc.

References AddressTable::addresses, AddressTable::counter, and Detected.

Referenced by openFilter().

{
  int i;
  char convertcmd[1024];
  printf("Lines that produce segmentation faults:\n");
  for (i = 0 ; i < Detected.counter ; i++)
  {
    sprintf(convertcmd, "addr2line -e %s 0x%lx", cmd, Detected.addresses[i]);
    system(convertcmd);
    printf("%s address[%d]= 0x%lx\n", cmd, i, Detected.addresses[i]); 
  }
}