1 static void 2 get_error(struct tcb *tcp, const bool check_errno) 3 { 4 /* 5 * The standard tile calling convention returns the value 6 * (or negative errno) in r0, and zero (or positive errno) in r1. 7 * Until at least kernel 3.8, however, the r1 value is not 8 * reflected in ptregs at this point, so we use r0 here. 9 */ 10 if (check_errno && is_negated_errno(tile_regs.regs[0])) { 11 tcp->u_rval = -1; 12 tcp->u_error = -tile_regs.regs[0]; 13 } else { 14 tcp->u_rval = tile_regs.regs[0]; 15 } 16 } 17
