| /* | |
| * In the new syscall ABI, the system call number is in R3. | |
| */ | |
| if (upeek(tcp->pid, 4*(REG_REG0+3), &scno) < 0) | |
| return -1; | |
| if (scno < 0) { | |
| /* Odd as it may seem, a glibc bug has been known to cause | |
| glibc to issue bogus negative syscall numbers. So for | |
| our purposes, make strace print what it *should* have been */ | |
| long correct_scno = (scno & 0xff); | |
| if (debug_flag) | |
| fprintf(stderr, | |
| "Detected glibc bug: bogus system call" | |
| " number = %ld, correcting to %ld\n", | |
| scno, | |
| correct_scno); | |
| scno = correct_scno; | |
| } |