/* RS6000/AIX does not support PT_STEP. Has to be simulated. */
#define SOFTWARE_SINGLE_STEP_P() 1
-extern void rs6000_software_single_step (unsigned int, int);
+extern void rs6000_software_single_step (enum target_signal, int);
#define SOFTWARE_SINGLE_STEP(sig,bp_p) rs6000_software_single_step (sig, bp_p)
/* Notice when a new child process is started. */