2 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL
6 #include "linux/kernel.h"
7 #include "linux/ptrace.h"
9 #include "sysdep/ptrace.h"
10 #include "sysdep/syscalls.h"
12 void handle_syscall(struct uml_pt_regs
*r
)
14 struct pt_regs
*regs
= container_of(r
, struct pt_regs
, regs
);
20 current
->thread
.nsyscalls
++;
24 * This should go in the declaration of syscall, but when I do that,
25 * strace -f -c bash -c 'ls ; ls' breaks, sometimes not tracing
26 * children at all, sometimes hanging when bash doesn't see the first
28 * The assembly looks functionally the same to me. This is
29 * gcc version 4.0.1 20050727 (Red Hat 4.0.1-5)
30 * in case it's a compiler bug.
32 syscall
= UPT_SYSCALL_NR(r
);
33 if ((syscall
>= NR_syscalls
) || (syscall
< 0))
35 else result
= EXECUTE_SYSCALL(syscall
, regs
);
37 REGS_SET_SYSCALL_RETURN(r
->gp
, result
);