1/* Return -1 on error or 1 on success (never 0!). */
2static int
3get_syscall_args(struct tcb *tcp)
4{
5	if (current_personality != 0) {
6		/*
7		 * Zero-extend from 32 bits.
8		 * Use truncate_klong_to_current_wordsize(tcp->u_arg[N])
9		 * in syscall handlers
10		 * if you need to use *sign-extended* parameter.
11		 */
12		tcp->u_arg[0] = (uint32_t) ppc_regs.orig_gpr3;
13		tcp->u_arg[1] = (uint32_t) ppc_regs.gpr[4];
14		tcp->u_arg[2] = (uint32_t) ppc_regs.gpr[5];
15		tcp->u_arg[3] = (uint32_t) ppc_regs.gpr[6];
16		tcp->u_arg[4] = (uint32_t) ppc_regs.gpr[7];
17		tcp->u_arg[5] = (uint32_t) ppc_regs.gpr[8];
18	} else {
19		tcp->u_arg[0] = ppc_regs.orig_gpr3;
20		tcp->u_arg[1] = ppc_regs.gpr[4];
21		tcp->u_arg[2] = ppc_regs.gpr[5];
22		tcp->u_arg[3] = ppc_regs.gpr[6];
23		tcp->u_arg[4] = ppc_regs.gpr[7];
24		tcp->u_arg[5] = ppc_regs.gpr[8];
25	}
26	return 1;
27}
28