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9f214bd390
The nios2 main loop code's code does some odd things with gdb_handlesig() that no other target CPU does: it has some signals that are delivered to gdb and only to gdb. Stop doing this, and instead behave like all the other targets: * a trap instruction becomes a SIGTRAP * an unhandled exception type returned from cpu_exec() causes us to abort(), not to try to hand gdb a SIGILL This fixes in passing Coverity issue CID 1390853, which was a complaint that the old code failed to check the return value from gdb_handlesig(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20181019174958.26616-3-peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> [lv: removed gdbsig unused variable] Signed-off-by: Laurent Vivier <laurent@vivier.eu>