| Dmitry V. Levin | d70d1c4 | 2015-03-22 22:13:55 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * PTRACE_GETREGS was added to the PowerPC kernel in v2.6.23, |
| 3 | * we provide a slow fallback for old kernels. |
| 4 | */ |
| 5 | static int |
| 6 | getregs_old(pid_t pid) |
| 7 | { |
| 8 | int i; |
| 9 | long r; |
| 10 | |
| 11 | if (iflag) { |
| 12 | r = upeek(pid, sizeof(long) * PT_NIP, (long *)&ppc_regs.nip); |
| 13 | if (r) |
| 14 | goto out; |
| 15 | } |
| 16 | #ifdef POWERPC64 /* else we never use it */ |
| 17 | r = upeek(pid, sizeof(long) * PT_MSR, (long *)&ppc_regs.msr); |
| 18 | if (r) |
| 19 | goto out; |
| 20 | #endif |
| 21 | r = upeek(pid, sizeof(long) * PT_CCR, (long *)&ppc_regs.ccr); |
| 22 | if (r) |
| 23 | goto out; |
| 24 | r = upeek(pid, sizeof(long) * PT_ORIG_R3, (long *)&ppc_regs.orig_gpr3); |
| 25 | if (r) |
| 26 | goto out; |
| 27 | for (i = 0; i <= 8; i++) { |
| 28 | r = upeek(pid, sizeof(long) * (PT_R0 + i), |
| 29 | (long *)&ppc_regs.gpr[i]); |
| 30 | if (r) |
| 31 | goto out; |
| 32 | } |
| 33 | out: |
| 34 | return r; |
| 35 | } |