if (arm_deal_with_atomic_sequence (frame))
return 1;
+ /* If the target does have hardware single step, GDB doesn't have
+ to bother software single step. */
+ if (target_can_do_single_step () == 1)
+ return 0;
+
next_pc = arm_get_next_pc (frame, get_frame_pc (frame));
/* The Linux kernel offers some user-mode helpers in a high page. We can
CORE_ADDR from, CORE_ADDR to,
struct regcache *regs)
{
- struct displaced_step_closure *dsc
- = xmalloc (sizeof (struct displaced_step_closure));
+ struct displaced_step_closure *dsc = XNEW (struct displaced_step_closure);
/* Detect when we enter an (inaccessible by GDB) Linux kernel helper, and
stop at the return location. */
else if (syscall >= 248 && syscall <= 253)
return syscall + 4;
- return -1;
+ return gdb_sys_no_syscall;
}
/* Record all registers but PC register for process-record. */
syscall_gdb = arm_canonicalize_syscall (svc_number);
- if (syscall_gdb < 0)
+ if (syscall_gdb == gdb_sys_no_syscall)
{
printf_unfiltered (_("Process record and replay target doesn't "
"support syscall number %s\n"),