1*cf84ac9aSAndroid Build Coastguard Worker /* Return -1 on error or 1 on success (never 0!). */
2*cf84ac9aSAndroid Build Coastguard Worker static int
get_syscall_args(struct tcb * tcp)3*cf84ac9aSAndroid Build Coastguard Worker get_syscall_args(struct tcb *tcp)
4*cf84ac9aSAndroid Build Coastguard Worker {
5*cf84ac9aSAndroid Build Coastguard Worker /* arg0: a6, arg1: a3, arg2: a4, arg3: a5, arg4: a8, arg5: a9 */
6*cf84ac9aSAndroid Build Coastguard Worker static const int xtensaregs[MAX_ARGS] = {
7*cf84ac9aSAndroid Build Coastguard Worker REG_A_BASE + 6,
8*cf84ac9aSAndroid Build Coastguard Worker REG_A_BASE + 3,
9*cf84ac9aSAndroid Build Coastguard Worker REG_A_BASE + 4,
10*cf84ac9aSAndroid Build Coastguard Worker REG_A_BASE + 5,
11*cf84ac9aSAndroid Build Coastguard Worker REG_A_BASE + 8,
12*cf84ac9aSAndroid Build Coastguard Worker REG_A_BASE + 9
13*cf84ac9aSAndroid Build Coastguard Worker };
14*cf84ac9aSAndroid Build Coastguard Worker unsigned int i;
15*cf84ac9aSAndroid Build Coastguard Worker
16*cf84ac9aSAndroid Build Coastguard Worker for (i = 0; i < tcp->s_ent->nargs; ++i)
17*cf84ac9aSAndroid Build Coastguard Worker if (upeek(tcp, xtensaregs[i], &tcp->u_arg[i]) < 0)
18*cf84ac9aSAndroid Build Coastguard Worker return -1;
19*cf84ac9aSAndroid Build Coastguard Worker return 1;
20*cf84ac9aSAndroid Build Coastguard Worker }
21