/* | |
* 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 | |
*/ | |
void _thread_created_hook(pid_t thread_id) __attribute__((noinline)); | |
void _thread_created_hook(pid_t thread_id) | |
{ | |
} |