Lines Matching refs:pid

27 int is_skas_winch(int pid, int fd, void *data)
29 	return pid == getpgrp();
32 static int ptrace_dump_regs(int pid)
37 	if (ptrace(PTRACE_GETREGS, pid, 0, regs) < 0)
56 void wait_stub_done(int pid)
61 		CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED | __WALL));
68 		err = ptrace(PTRACE_CONT, pid, 0, 0);
80 	err = ptrace_dump_regs(pid);
85 	       "pid = %d, n = %d, errno = %d, status = 0x%x\n", pid, n, errno,
92 static void get_skas_faultinfo(int pid, struct faultinfo *fi, unsigned long *aux_fp_regs)
96 	err = get_fp_registers(pid, aux_fp_regs);
102 	err = ptrace(PTRACE_CONT, pid, 0, SIGSEGV);
104 		printk(UM_KERN_ERR "Failed to continue stub, pid = %d, "
105 		       "errno = %d\n", pid, errno);
108 	wait_stub_done(pid);
116 	err = put_fp_registers(pid, aux_fp_regs);
124 static void handle_segv(int pid, struct uml_pt_regs *regs, unsigned long *aux_fp_regs)
126 	get_skas_faultinfo(pid, &regs->faultinfo, aux_fp_regs);
134 static void handle_trap(int pid, struct uml_pt_regs *regs,
144 		err = ptrace(PTRACE_POKEUSER, pid, PT_SYSCALL_NR_OFFSET,
152 		err = ptrace(PTRACE_SYSCALL, pid, 0, 0);
159 		CATCH_EINTR(err = waitpid(pid, &status, WUNTRACED | __WALL));
162 			err = ptrace_dump_regs(pid);
270 	int pid, status, n, flags, err;
289 	pid = clone(userspace_tramp, (void *) sp, flags, (void *) stub_stack);
290 	if (pid < 0) {
298 		CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED | __WALL));
314 	if (ptrace(PTRACE_OLDSETOPTIONS, pid, NULL,
329 	return pid;
332 	os_kill_ptraced_process(pid, 1);
338 	int err, status, op, pid = userspace_pid[0];
358 		if (ptrace(PTRACE_SETREGS, pid, 0, regs->gp)) {
364 		if (put_fp_registers(pid, regs->fp)) {
376 		if (ptrace(op, pid, 0, 0)) {
382 		CATCH_EINTR(err = waitpid(pid, &status, WUNTRACED | __WALL));
390 		if (ptrace(PTRACE_GETREGS, pid, 0, regs->gp)) {
396 		if (get_fp_registers(pid, regs->fp)) {
407 			ptrace(PTRACE_GETSIGINFO, pid, 0, (struct siginfo *)&si);
412 					get_skas_faultinfo(pid,
417 				else handle_segv(pid, regs, aux_fp_regs);
420 			        handle_trap(pid, regs, local_using_sysemu);
441 			pid = userspace_pid[0];
471 int copy_context_skas0(unsigned long new_stack, int pid)
489 	err = ptrace_setregs(pid, thread_regs);
493 		       "failed, pid = %d, errno = %d\n", pid, -err);
497 	err = put_fp_registers(pid, thread_fp_regs);
500 		       "failed, pid = %d, err = %d\n", pid, err);
508 	 * Wait, until parent has finished its work: read child's pid from
511 	err = ptrace(PTRACE_CONT, pid, 0, 0);
514 		printk(UM_KERN_ERR "Failed to continue new process, pid = %d, "
515 		       "errno = %d\n", pid, errno);
519 	wait_stub_done(pid);
521 	pid = data->err;
522 	if (pid < 0) {
524 		       "error %d\n", -pid);
525 		return pid;
532 	wait_stub_done(pid);
540 	if (ptrace(PTRACE_OLDSETOPTIONS, pid, NULL,
548 	return pid;
551 	os_kill_ptraced_process(pid, 1);
670 	userspace_pid[0] = mm_idp->u.pid;