static int __read(RIO *io, RIODesc *fd, ut8 *buf, int count) {
memset (buf, 0xff, count);
if (RIOGDB_IS_VALID (fd)) {
char *ptr = gdbwrap_readmem (RIOGDB_DESC (fd), (la32)io->off, count);
if (ptr == NULL)
return -1;
return r_hex_str2bin (ptr, buf);
}
return -1;
}
/**
* Set a breakpoint. We read the value in memory, save it and write a
* 0xcc in replacement. The usual command to set a bp is not supported
* by the gdbserver.
*/
void gdbwrap_setbp(gdbwrap_t *desc, la32 linaddr, void *datasaved)
{
u_char bp = 0xcc;
char *ret;
unsigned atohresult;
ASSERT(desc != NULL && desc != datasaved);
ret = gdbwrap_readmem(desc, linaddr, 1);
/* Fix: not clean. ATOH is not clean when returning an unsigned. */
atohresult = gdbwrap_atoh(ret, 2 * 1);
memcpy(datasaved, &atohresult, 1);
gdbwrap_writemem(desc, linaddr, &bp, sizeof(u_char));
}
