diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2017-12-08 08:45:57 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-10 09:56:44 +0200 |
| commit | a62a40c8a3ff18d255d2a325c7780708d54fadc1 (patch) | |
| tree | 619ca8fbeb7126545ec6376826ed4dd1801449f2 /arch/arc/kernel | |
| parent | 1ed8ed6d21197ebddaf50bb7223cc8fd00467155 (diff) | |
ARC: handle gcc generated __builtin_trap for older compiler
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>
Diffstat (limited to 'arch/arc/kernel')
| -rw-r--r-- | arch/arc/kernel/traps.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arc/kernel/traps.c b/arch/arc/kernel/traps.c index c927aa84e652..2fb0cd39a31c 100644 --- a/arch/arc/kernel/traps.c +++ b/arch/arc/kernel/traps.c @@ -155,3 +155,11 @@ void do_insterror_or_kprobe(unsigned long address, struct pt_regs *regs) insterror_is_error(address, regs); } + +/* + * abort() call generated by older gcc for __builtin_trap() + */ +void abort(void) +{ + __asm__ __volatile__("trap_s 5\n"); +} |