keystone/test00.d

   1 import iv.keystone;
   2 import std.stdio;
   3
   4
   5 // separate assembly instructions by ; or \n
   6 immutable string CODE = "INC ecx; DEC edx";
   7
   8 void main () {
   9   ks_engine *ks;
  10   ks_err err;
  11   usize count;
  12   ubyte* encode;
  13   usize size;
  14
  15   err = ks_open(KS_ARCH_X86, KS_MODE_32, &ks);
  16   if (err != KS_ERR_OK) assert(0, "FATAL: can't init keystone");
  17
  18   if (ks_asm(ks, CODE.ptr, 0, &encode, &size, &count) != KS_ERR_OK) {
  19     import std.string : fromStringz;
  20     writefln("ERROR: ks_asm() failed & count = %s, error = %s (%s)", count, ks_errno(ks), ks_strerror(ks_errno(ks)).fromStringz);
  21   } else {
  22     writefln("%s = ", CODE);
  23     foreach (immutable i; 0..size) writef("%02x ", encode[i]);
  24     writeln();
  25     writefln("Compiled: %s bytes, statements: %s", size, count);
  26   }
  27
  28   // NOTE: free encode after usage to avoid leaking memory
  29   ks_free(encode);
  30
  31   // close Keystone instance when done
  32   ks_close(ks);
  33 }