![Jeff Dike](/assets/img/avatar_default.png)
user_util.h isn't needed any more, so delete it and remove all includes of it. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
|
|
* Licensed under the GPL
|
|
*/
|
|
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
#include <asm/unistd.h>
|
|
#include "sysdep/ptrace.h"
|
|
#include "sigcontext.h"
|
|
#include "ptrace_user.h"
|
|
#include "task.h"
|
|
#include "kern_util.h"
|
|
#include "syscall.h"
|
|
#include "tt.h"
|
|
|
|
void do_sigtrap(void *task)
|
|
{
|
|
UPT_SYSCALL_NR(TASK_REGS(task)) = -1;
|
|
}
|
|
|
|
void do_syscall(void *task, int pid, int local_using_sysemu)
|
|
{
|
|
unsigned long proc_regs[FRAME_SIZE];
|
|
|
|
if(ptrace_getregs(pid, proc_regs) < 0)
|
|
tracer_panic("Couldn't read registers");
|
|
|
|
UPT_SYSCALL_NR(TASK_REGS(task)) = PT_SYSCALL_NR(proc_regs);
|
|
|
|
#ifdef UPT_ORIGGPR2
|
|
UPT_ORIGGPR2(TASK_REGS(task)) = REGS_ORIGGPR2(proc_regs);
|
|
#endif
|
|
|
|
if(((unsigned long *) PT_IP(proc_regs) >= &_stext) &&
|
|
((unsigned long *) PT_IP(proc_regs) <= &_etext))
|
|
tracer_panic("I'm tracing myself and I can't get out");
|
|
|
|
/* advanced sysemu mode set syscall number to -1 automatically */
|
|
if (local_using_sysemu==2)
|
|
return;
|
|
|
|
/* syscall number -1 in sysemu skips syscall restarting in host */
|
|
if(ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_NR_OFFSET,
|
|
local_using_sysemu ? -1 : __NR_getpid) < 0)
|
|
tracer_panic("do_syscall : Nullifying syscall failed, "
|
|
"errno = %d", errno);
|
|
}
|
|
|
|
/*
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
* Emacs will notice this stuff at the end of the file and automatically
|
|
* adjust the settings for this buffer only. This must remain at the end
|
|
* of the file.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-file-style: "linux"
|
|
* End:
|
|
*/
|