8e551a6319
Change-Id: I3be997f5f1f6a894a3c200d4f325cf3bfd428c66 Author: James Rose <james.rose@intel.com> Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <sys/ptrace.h>
|
|
|
|
extern long __ptrace(int request, pid_t pid, void *addr, void *data);
|
|
|
|
long ptrace(int request, pid_t pid, void * addr, void * data)
|
|
{
|
|
switch (request) {
|
|
case PTRACE_PEEKUSR:
|
|
case PTRACE_PEEKTEXT:
|
|
case PTRACE_PEEKDATA:
|
|
{
|
|
long word;
|
|
long ret;
|
|
|
|
ret = __ptrace(request, pid, addr, &word);
|
|
if (ret == 0) {
|
|
return word;
|
|
} else {
|
|
// __ptrace will set errno for us
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
default:
|
|
return __ptrace(request, pid, addr, data);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Hook for gdb to get notified when a thread is created
|
|
*/
|
|
#ifdef __i386__
|
|
#define ATTRIBUTES __attribute__((noinline)) __attribute__((fastcall))
|
|
#else
|
|
#define ATTRIBUTES __attribute__((noinline))
|
|
#endif
|
|
|
|
void ATTRIBUTES _thread_created_hook(pid_t thread_id)
|
|
{
|
|
}
|