| Dmitry V. Levin | 1651051 | 2015-11-30 01:46:52 +0000 | [diff] [blame] | 1 | /* Return codes: 1 - ok, 0 - ignore, other - error. */ |
| 2 | static int |
| 3 | arch_get_scno(struct tcb *tcp) |
| 4 | { |
| 5 | long scno = 0; |
| 6 | |
| 7 | switch (aarch64_io.iov_len) { |
| 8 | case sizeof(aarch64_regs): |
| 9 | /* We are in 64-bit mode */ |
| 10 | scno = aarch64_regs.regs[8]; |
| 11 | update_personality(tcp, 1); |
| 12 | break; |
| 13 | case sizeof(arm_regs): |
| 14 | /* We are in 32-bit mode */ |
| 15 | /* Note: we don't support OABI, unlike 32-bit ARM build */ |
| 16 | scno = arm_regs.ARM_r7; |
| 17 | scno = shuffle_scno(scno); |
| 18 | update_personality(tcp, 0); |
| 19 | break; |
| 20 | } |
| 21 | |
| 22 | tcp->scno = scno; |
| 23 | return 1; |
| Dmitry V. Levin | d70d1c4 | 2015-03-22 22:13:55 +0000 | [diff] [blame] | 24 | } |