memory break_inline

#include "pin.H"
#include <iostream>

#define PAGE_GUARD 0x100

VOID change_eax(ADDRINT insAddr, CONTEXT *ctx, ADDRINT * memory_protection_constant, ADDRINT * pEAX)
{
   if ((*memory_protection_constant)&PAGE_GUARD) {
      *pEAX = 0;
   }
}

VOID ImageLoad(IMG img, VOID *v)
{
   RTN print_rtn = RTN_FindByName(img, "VirtualProtect");

   if (RTN_Valid(print_rtn))
   {
      RTN_Open(print_rtn);
      RTN_InsertCall(print_rtn, IPOINT_AFTER, (AFUNPTR)change_eax,
         IARG_ADDRINT, "change_eax",
         IARG_CONTEXT,
         IARG_FUNCARG_ENTRYPOINT_REFERENCE, 2,
         IARG_REG_REFERENCE, REG_EAX,
         IARG_END);
      RTN_Close(print_rtn);
   }
}

int main(INT32 argc, CHAR *argv[])
{
   PIN_InitSymbols();
   if (PIN_Init(argc, argv)) return -1;
   IMG_AddInstrumentFunction(ImageLoad, 0);
   PIN_StartProgram();
   return 0;
}