From: Vineet Gupta vgupta@synopsys.com
commit af1be2e21203867cb958aaceed5366e2e24b88e8 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/arc/kernel/traps.c | 8 ++++++++ 1 file changed, 8 insertions(+)
--- a/arch/arc/kernel/traps.c +++ b/arch/arc/kernel/traps.c @@ -155,3 +155,11 @@ void do_insterror_or_kprobe(unsigned lon
insterror_is_error(address, regs); } + +/* + * abort() call generated by older gcc for __builtin_trap() + */ +void abort(void) +{ + __asm__ __volatile__("trap_s 5\n"); +}