Commit af1be2e2 authored Dec 08, 2017 by Vineet Gupta

ARC: handle gcc generated __builtin_trap for older compiler



ARC gcc prior to GNU 2018.03 release didn't have a target specific
__builtin_trap() implementation, generating default abort() call.

Implement the abort() call - emulating what newer gcc does for the same,
as suggested by Arnd.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

parent f5a16b93

arch/arc/kernel/traps.c

+8 −0

Original line number	Original line	Diff line number	Diff line
	@@ -161,3 +161,11 @@ void do_insterror_or_kprobe(unsigned long address, struct pt_regs *regs)

	insterror_is_error(address, regs);		insterror_is_error(address, regs);
	}		}

			/*
			* abort() call generated by older gcc for __builtin_trap()
			*/
			void abort(void)
			{
			__asm__ __volatile__("trap_s 5\n");
			}

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