1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* Low-level statistical profiling support function. Linux/ARM version.
Copyright (C) 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <signal.h>
#include <bits/armsigctx.h>
void
profil_counter (int signo, int _a2, int _a3, int _a4, union k_sigcontext sc)
{
void *pc;
if (sc.v20.magic == SIGCONTEXT_2_0_MAGIC)
pc = (void *) sc.v20.reg.ARM_pc;
else
pc = (void *) sc.v21.arm_pc;
profil_count (pc);
/* This is a hack to prevent the compiler from implementing the
above function call as a sibcall. The sibcall would overwrite
the signal context. */
asm volatile ("");
}
|
