| * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
| #include "kern_constants.h" |
| * This is in a separate file because it needs to be compiled with any |
| * extraneous gcc flags (-pg, -fprofile-arcs, -ftest-coverage) disabled |
| * Use UM_KERN_PAGE_SIZE instead of PAGE_SIZE because that calls getpagesize |
| void __attribute__ ((__section__ (".__syscall_stub"))) |
| struct stub_data *data = (struct stub_data *) STUB_DATA; |
| err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD, |
| STUB_DATA + UM_KERN_PAGE_SIZE / 2 - sizeof(void *)); |
| err = stub_syscall4(__NR_ptrace, PTRACE_TRACEME, 0, 0, 0); |
| err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, |
| remap_stack(data->fd, data->offset); |
| * child: retcode of mmap already saved and it jumps around this |