2 * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
3 * Licensed under the GPL
6 #include "linux/types.h"
7 #include "linux/utime.h"
9 #include "linux/ptrace.h"
10 #include "asm/unistd.h"
11 #include "asm/ptrace.h"
12 #include "asm/uaccess.h"
14 #include "sysdep/syscalls.h"
15 #include "sysdep/sigcontext.h"
16 #include "kern_util.h"
19 void syscall_handler_tt(int sig, struct pt_regs *regs)
25 sc = UPT_SC(®s->regs);
28 syscall = UPT_SYSCALL_NR(®s->regs);
29 syscall_trace(®s->regs, 0);
31 current->thread.nsyscalls++;
34 if((syscall >= NR_syscalls) || (syscall < 0))
36 else result = EXECUTE_SYSCALL(syscall, regs);
38 /* regs->sc may have changed while the system call ran (there may
39 * have been an interrupt or segfault), so it needs to be refreshed.
41 UPT_SC(®s->regs) = sc;
43 SC_SET_SYSCALL_RETURN(sc, result);
45 syscall_trace(®s->regs, 1);