Commit ca195cfe authored Jun 24, 2006 by Russell King Committed by Russell King Jun 24, 2006

[ARM] Add identifying number for non-rt sigframe



GDB couldn't reliably tell the difference between the old and new
non-rt sigframes, so provide it with a number at the beginning which
will never appear in the old sigframe, and hence provide gdb with a
reliable way to tell the two apart.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent aca6ca10

arch/arm/kernel/signal.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -470,6 +470,11 @@ setup_frame(int usig, struct k_sigaction ka, sigset_t set, struct pt_regs *reg
		if (!frame)
		return 1;

		/*
		* Set uc.uc_flags to a value which sc.trap_no would never have.
		*/
		__put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err);

		err \|= setup_sigframe(frame, regs, set);
		if (err == 0)
		err = setup_return(regs, ka, frame->retcode, frame, usig);