| |
| /*--------------------------------------------------------------------*/ |
| /*--- Client-space code for the core. vg_preloaded.c ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2006 Julian Seward |
| jseward@acm.org |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License as |
| published by the Free Software Foundation; either version 2 of the |
| License, or (at your option) any later version. |
| |
| This program 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 |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307, USA. |
| |
| The GNU General Public License is contained in the file COPYING. |
| */ |
| |
| |
| /* --------------------------------------------------------------------- |
| ALL THE CODE IN THIS FILE RUNS ON THE SIMULATED CPU. |
| |
| These functions are not called directly - they're the targets of code |
| redirection or load notifications (see pub_core_redir.h for info). |
| They're named weirdly so that the intercept code can find them when the |
| shared object is initially loaded. |
| |
| Note that this filename has the "vg_" prefix because it can appear |
| in stack traces, and the "vg_" makes it a little clearer that it |
| originates from Valgrind. |
| ------------------------------------------------------------------ */ |
| |
| #include "pub_core_basics.h" |
| #include "pub_core_clreq.h" |
| #include "pub_core_debuginfo.h" // Needed for pub_core_redir.h |
| #include "pub_core_redir.h" // For VG_NOTIFY_ON_LOAD |
| |
| /* --------------------------------------------------------------------- |
| Hook for running __libc_freeres once the program exits. |
| ------------------------------------------------------------------ */ |
| |
| void VG_NOTIFY_ON_LOAD(freeres)( void ); |
| void VG_NOTIFY_ON_LOAD(freeres)( void ) |
| { |
| int res; |
| #ifndef __UCLIBC__ |
| extern void __libc_freeres(void); |
| __libc_freeres(); |
| #endif |
| VALGRIND_DO_CLIENT_REQUEST(res, 0 /* default */, |
| VG_USERREQ__LIBC_FREERES_DONE, |
| 0, 0, 0, 0, 0); |
| /*NOTREACHED*/ |
| *(int *)0 = 'x'; |
| } |
| |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| #if 0 |
| |
| #define PTH_FUNC(ret_ty, f, args...) \ |
| ret_ty VG_WRAP_FUNCTION_ZZ(libpthreadZdsoZd0,f)(args); \ |
| ret_ty VG_WRAP_FUNCTION_ZZ(libpthreadZdsoZd0,f)(args) |
| |
| #include <stdio.h> |
| #include <pthread.h> |
| |
| // pthread_create |
| PTH_FUNC(int, pthreadZucreateZAZa, // pthread_create@* |
| pthread_t *thread, const pthread_attr_t *attr, |
| void *(*start) (void *), void *arg) |
| { |
| int ret; |
| void* fn; |
| VALGRIND_GET_NRADDR(fn); |
| fprintf(stderr, "<< pthread_create wrapper"); fflush(stderr); |
| |
| CALL_FN_W_WWWW(ret, fn, thread,attr,start,arg); |
| |
| fprintf(stderr, " -> %d >>\n", ret); |
| return ret; |
| } |
| |
| // pthread_mutex_lock |
| PTH_FUNC(int, pthreadZumutexZulock, // pthread_mutex_lock |
| pthread_mutex_t *mutex) |
| { |
| int ret; |
| void* fn; |
| VALGRIND_GET_ORIG_FN(fn); |
| fprintf(stderr, "<< pthread_mxlock %p", mutex); fflush(stderr); |
| |
| CALL_FN_W_W(ret, fn, mutex); |
| |
| fprintf(stderr, " -> %d >>\n", ret); |
| return ret; |
| } |
| |
| // pthread_mutex_unlock |
| PTH_FUNC(int, pthreadZumutexZuunlock, // pthread_mutex_unlock |
| pthread_mutex_t *mutex) |
| { |
| int ret; |
| void* fn; |
| VALGRIND_GET_ORIG_FN(fn); |
| |
| fprintf(stderr, "<< pthread_mxunlk %p", mutex); fflush(stderr); |
| |
| CALL_FN_W_W(ret, fn, mutex); |
| |
| fprintf(stderr, " -> %d >>\n", ret); |
| return ret; |
| } |
| |
| #endif |