mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 12:52:56 +07:00
a9b71b6c54
Get rid of some syscall counters which haven't been useful in ages. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
38 lines
986 B
C
38 lines
986 B
C
/*
|
|
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
|
|
* Licensed under the GPL
|
|
*/
|
|
|
|
#include "linux/kernel.h"
|
|
#include "linux/ptrace.h"
|
|
#include "kern_util.h"
|
|
#include "sysdep/ptrace.h"
|
|
#include "sysdep/syscalls.h"
|
|
|
|
void handle_syscall(struct uml_pt_regs *r)
|
|
{
|
|
struct pt_regs *regs = container_of(r, struct pt_regs, regs);
|
|
long result;
|
|
int syscall;
|
|
|
|
syscall_trace(r, 0);
|
|
|
|
/*
|
|
* This should go in the declaration of syscall, but when I do that,
|
|
* strace -f -c bash -c 'ls ; ls' breaks, sometimes not tracing
|
|
* children at all, sometimes hanging when bash doesn't see the first
|
|
* ls exit.
|
|
* The assembly looks functionally the same to me. This is
|
|
* gcc version 4.0.1 20050727 (Red Hat 4.0.1-5)
|
|
* in case it's a compiler bug.
|
|
*/
|
|
syscall = UPT_SYSCALL_NR(r);
|
|
if ((syscall >= NR_syscalls) || (syscall < 0))
|
|
result = -ENOSYS;
|
|
else result = EXECUTE_SYSCALL(syscall, regs);
|
|
|
|
REGS_SET_SYSCALL_RETURN(r->gp, result);
|
|
|
|
syscall_trace(r, 1);
|
|
}
|