/* gdb calls dlsym on td_thr_get_info. We need to wrap td_thr_get_info for
tid virtualization. It should be safe to comment this out if you don't
need to checkpoint gdb.
*/
extern "C" void *dlsym ( void *handle, const char *symbol)
{
if ( strcmp ( symbol, "td_thr_get_info" ) == 0 ) {
_td_thr_get_info_funcptr = (td_thr_get_info_funcptr_t) _real_dlsym(handle,
symbol);
if (_td_thr_get_info_funcptr != NULL) {
return (void *) &_dmtcp_td_thr_get_info;
} else {
return NULL;
}
}
else
return _real_dlsym ( handle, symbol );
}
// Note that mtcp.so is closed and re-opened (maybe in a different
// location) at the time of fork. Do not statically save the
// return value of get_mtcp_symbol across a fork.
LIB_PRIVATE
void* get_mtcp_symbol ( const char* name )
{
static void* theMtcpHandle = find_and_open_mtcp_so();
if ( name == REOPEN_MTCP )
{
JTRACE ( "reopening libmtcp.so" ) ( theMtcpHandle );
//must get ref count down to 0 so it is really unloaded
for( int i=0; i<MAX_DLCLOSE_MTCP_CALLS; ++i) {
if(dlclose(theMtcpHandle) != 0) {
//failed call means it is unloaded
JTRACE("dlclose(libmtcp.so) worked");
break;
} else {
JTRACE("dlclose(libmtcp.so) decremented refcount");
}
}
theMtcpHandle = find_and_open_mtcp_so();
JTRACE ( "reopening libmtcp.so DONE" ) ( theMtcpHandle );
return 0;
}
void* tmp = _real_dlsym ( theMtcpHandle, name );
JASSERT ( tmp != NULL ) ( name )
.Text ( "failed to find libmtcp.so symbol for 'name'\n"
"Maybe try re-compiling MTCP: (cd mtcp; make clean); make" );
//JTRACE("looking up libmtcp.so symbol")(name);
return tmp;
}
LIB_PRIVATE void fred_get_libc_func_addr() {
_real_func_addr[empty_event] = _real_dlsym(RTLD_NEXT, "empty");
_real_func_addr[accept_event] = _real_dlsym(RTLD_NEXT, "accept");
_real_func_addr[accept4_event] = _real_dlsym(RTLD_NEXT, "accept4");
_real_func_addr[access_event] = _real_dlsym(RTLD_NEXT, "access");
_real_func_addr[bind_event] = _real_dlsym(RTLD_NEXT, "bind");
_real_func_addr[calloc_event] = _real_dlsym(RTLD_NEXT, "calloc");
_real_func_addr[chmod_event] = _real_dlsym(RTLD_NEXT, "chmod");
_real_func_addr[chown_event] = _real_dlsym(RTLD_NEXT, "chown");
_real_func_addr[close_event] = _real_dlsym(RTLD_NEXT, "close");
_real_func_addr[connect_event] = _real_dlsym(RTLD_NEXT, "connect");
_real_func_addr[dup_event] = _real_dlsym(RTLD_NEXT, "dup");
_real_func_addr[dup2_event] = _real_dlsym(RTLD_NEXT, "dup2");
_real_func_addr[dup3_event] = _real_dlsym(RTLD_NEXT, "dup3");
_real_func_addr[fcntl_event] = _real_dlsym(RTLD_NEXT, "fcntl");
_real_func_addr[fchdir_event] = _real_dlsym(RTLD_NEXT, "fchdir");
_real_func_addr[fdatasync_event] = _real_dlsym(RTLD_NEXT, "fdatasync");
_real_func_addr[getcwd_event] = _real_dlsym(RTLD_NEXT, "getcwd");
_real_func_addr[gettimeofday_event] = _real_dlsym(RTLD_NEXT, "gettimeofday");
_real_func_addr[getpeername_event] = _real_dlsym(RTLD_NEXT, "getpeername");
_real_func_addr[getsockname_event] = _real_dlsym(RTLD_NEXT, "getsockname");
_real_func_addr[link_event] = _real_dlsym(RTLD_NEXT, "link");
_real_func_addr[symlink_event] = _real_dlsym(RTLD_NEXT, "symlink");
_real_func_addr[listen_event] = _real_dlsym(RTLD_NEXT, "listen");
_real_func_addr[localtime_r_event] = _real_dlsym(RTLD_NEXT, "localtime_r");
_real_func_addr[utime_event] = _real_dlsym(RTLD_NEXT, "utime");
_real_func_addr[utimes_event] = _real_dlsym(RTLD_NEXT, "utimes");
_real_func_addr[lutimes_event] = _real_dlsym(RTLD_NEXT, "lutimes");
_real_func_addr[futimes_event] = _real_dlsym(RTLD_NEXT, "futimes");
_real_func_addr[clock_getres_event] = _real_dlsym(RTLD_NEXT, "clock_getres");
_real_func_addr[clock_gettime_event] = _real_dlsym(RTLD_NEXT, "clock_gettime");
_real_func_addr[clock_settime_event] = _real_dlsym(RTLD_NEXT, "clock_settime");
_real_func_addr[lseek_event] = _real_dlsym(RTLD_NEXT, "lseek");
_real_func_addr[lseek64_event] = _real_dlsym(RTLD_NEXT, "lseek64");
_real_func_addr[llseek_event] = _real_dlsym(RTLD_NEXT, "llseek");
_real_func_addr[malloc_event] = _real_dlsym(RTLD_NEXT, "malloc");
_real_func_addr[free_event] = _real_dlsym(RTLD_NEXT, "free");
_real_func_addr[mkdir_event] = _real_dlsym(RTLD_NEXT, "mkdir");
_real_func_addr[mkstemp_event] = _real_dlsym(RTLD_NEXT, "mkstemp");
_real_func_addr[mmap_event] = _real_dlsym(RTLD_NEXT, "mmap");
_real_func_addr[mmap64_event] = _real_dlsym(RTLD_NEXT, "mmap64");
_real_func_addr[munmap_event] = _real_dlsym(RTLD_NEXT, "munmap");
_real_func_addr[mremap_event] = _real_dlsym(RTLD_NEXT, "mremap");
_real_func_addr[open_event] = _real_dlsym(RTLD_NEXT, "open");
_real_func_addr[open64_event] = _real_dlsym(RTLD_NEXT, "open64");
_real_func_addr[openat_event] = _real_dlsym(RTLD_NEXT, "openat");
_real_func_addr[pread_event] = _real_dlsym(RTLD_NEXT, "pread");
_real_func_addr[preadv_event] = _real_dlsym(RTLD_NEXT, "preadv");
_real_func_addr[pwrite_event] = _real_dlsym(RTLD_NEXT, "pwrite");
_real_func_addr[pwritev_event] = _real_dlsym(RTLD_NEXT, "pwritev");
_real_func_addr[pthread_rwlock_unlock_event] = _real_dlsym(RTLD_NEXT, "pthread_rwlock_unlock");
_real_func_addr[pthread_rwlock_rdlock_event] = _real_dlsym(RTLD_NEXT, "pthread_rwlock_rdlock");
_real_func_addr[pthread_rwlock_wrlock_event] = _real_dlsym(RTLD_NEXT, "pthread_rwlock_wrlock");
_real_func_addr[pthread_create_event] = _real_dlsym(RTLD_NEXT, "pthread_create");
_real_func_addr[pthread_detach_event] = _real_dlsym(RTLD_NEXT, "pthread_detach");
_real_func_addr[pthread_exit_event] = _real_dlsym(RTLD_NEXT, "pthread_exit");
_real_func_addr[pthread_join_event] = _real_dlsym(RTLD_NEXT, "pthread_join");
_real_func_addr[pthread_kill_event] = _real_dlsym(RTLD_NEXT, "pthread_kill");
_real_func_addr[pthread_mutex_lock_event] = _real_dlsym(RTLD_NEXT, "pthread_mutex_lock");
_real_func_addr[pthread_mutex_trylock_event] = _real_dlsym(RTLD_NEXT, "pthread_mutex_trylock");
_real_func_addr[pthread_mutex_unlock_event] = _real_dlsym(RTLD_NEXT, "pthread_mutex_unlock");
_real_func_addr[rand_event] = _real_dlsym(RTLD_NEXT, "rand");
_real_func_addr[fork_event] = _real_dlsym(RTLD_NEXT, "fork");
_real_func_addr[read_event] = _real_dlsym(RTLD_NEXT, "read");
_real_func_addr[readv_event] = _real_dlsym(RTLD_NEXT, "readv");
_real_func_addr[readlink_event] = _real_dlsym(RTLD_NEXT, "readlink");
_real_func_addr[realpath_event] = _real_dlsym(RTLD_NEXT, "realpath");
_real_func_addr[realloc_event] = _real_dlsym(RTLD_NEXT, "realloc");
_real_func_addr[rename_event] = _real_dlsym(RTLD_NEXT, "rename");
_real_func_addr[rmdir_event] = _real_dlsym(RTLD_NEXT, "rmdir");
_real_func_addr[select_event] = _real_dlsym(RTLD_NEXT, "select");
_real_func_addr[ppoll_event] = _real_dlsym(RTLD_NEXT, "ppoll");
_real_func_addr[setsockopt_event] = _real_dlsym(RTLD_NEXT, "setsockopt");
_real_func_addr[getsockopt_event] = _real_dlsym(RTLD_NEXT, "getsockopt");
_real_func_addr[ioctl_event] = _real_dlsym(RTLD_NEXT, "ioctl");
_real_func_addr[shutdown_event] = _real_dlsym(RTLD_NEXT, "shutdown");
_real_func_addr[sigwait_event] = _real_dlsym(RTLD_NEXT, "sigwait");
_real_func_addr[srand_event] = _real_dlsym(RTLD_NEXT, "srand");
_real_func_addr[socket_event] = _real_dlsym(RTLD_NEXT, "socket");
_real_func_addr[socketpair_event] = _real_dlsym(RTLD_NEXT, "socketpair");
_real_func_addr[time_event] = _real_dlsym(RTLD_NEXT, "time");
_real_func_addr[truncate_event] = _real_dlsym(RTLD_NEXT, "truncate");
_real_func_addr[ftruncate_event] = _real_dlsym(RTLD_NEXT, "ftruncate");
_real_func_addr[truncate64_event] = _real_dlsym(RTLD_NEXT, "truncate64");
_real_func_addr[ftruncate64_event] = _real_dlsym(RTLD_NEXT, "ftruncate64");
_real_func_addr[unlink_event] = _real_dlsym(RTLD_NEXT, "unlink");
_real_func_addr[write_event] = _real_dlsym(RTLD_NEXT, "write");
_real_func_addr[writev_event] = _real_dlsym(RTLD_NEXT, "writev");
_real_func_addr[epoll_create_event] = _real_dlsym(RTLD_NEXT, "epoll_create");
_real_func_addr[epoll_create1_event] = _real_dlsym(RTLD_NEXT, "epoll_create1");
_real_func_addr[epoll_ctl_event] = _real_dlsym(RTLD_NEXT, "epoll_ctl");
_real_func_addr[epoll_wait_event] = _real_dlsym(RTLD_NEXT, "epoll_wait");
_real_func_addr[getpwnam_r_event] = _real_dlsym(RTLD_NEXT, "getpwnam_r");
_real_func_addr[getpwuid_r_event] = _real_dlsym(RTLD_NEXT, "getpwuid_r");
_real_func_addr[getgrnam_r_event] = _real_dlsym(RTLD_NEXT, "getgrnam_r");
_real_func_addr[getgrgid_r_event] = _real_dlsym(RTLD_NEXT, "getgrgid_r");
_real_func_addr[getaddrinfo_event] = _real_dlsym(RTLD_NEXT, "getaddrinfo");
_real_func_addr[freeaddrinfo_event] = _real_dlsym(RTLD_NEXT, "freeaddrinfo");
_real_func_addr[getnameinfo_event] = _real_dlsym(RTLD_NEXT, "getnameinfo");
_real_func_addr[sendto_event] = _real_dlsym(RTLD_NEXT, "sendto");
_real_func_addr[sendmsg_event] = _real_dlsym(RTLD_NEXT, "sendmsg");
_real_func_addr[recvfrom_event] = _real_dlsym(RTLD_NEXT, "recvfrom");
_real_func_addr[recvmsg_event] = _real_dlsym(RTLD_NEXT, "recvmsg");
_real_func_addr[waitid_event] = _real_dlsym(RTLD_NEXT, "waitid");
_real_func_addr[wait4_event] = _real_dlsym(RTLD_NEXT, "wait4");
_real_func_addr[sigaction_event] = _real_dlsym(RTLD_NEXT, "sigaction");
_real_func_addr[signal_event] = _real_dlsym(RTLD_NEXT, "signal");
_real_func_addr[sigset_event] = _real_dlsym(RTLD_NEXT, "sigset");
_real_func_addr[fopen_event] = _real_dlsym(RTLD_NEXT, "fopen");
_real_func_addr[fopen64_event] = _real_dlsym(RTLD_NEXT, "fopen64");
_real_func_addr[freopen_event] = _real_dlsym(RTLD_NEXT, "freopen");
_real_func_addr[fclose_event] = _real_dlsym(RTLD_NEXT, "fclose");
_real_func_addr[fdopen_event] = _real_dlsym(RTLD_NEXT, "fdopen");
_real_func_addr[fgets_event] = _real_dlsym(RTLD_NEXT, "fgets");
_real_func_addr[ferror_event] = _real_dlsym(RTLD_NEXT, "ferror");
_real_func_addr[feof_event] = _real_dlsym(RTLD_NEXT, "feof");
_real_func_addr[fileno_event] = _real_dlsym(RTLD_NEXT, "fileno");
_real_func_addr[fflush_event] = _real_dlsym(RTLD_NEXT, "fflush");
_real_func_addr[setvbuf_event] = _real_dlsym(RTLD_NEXT, "setvbuf");
_real_func_addr[fseek_event] = _real_dlsym(RTLD_NEXT, "fseek");
_real_func_addr[fputs_event] = _real_dlsym(RTLD_NEXT, "fputs");
_real_func_addr[puts_event] = _real_dlsym(RTLD_NEXT, "puts");
_real_func_addr[fputc_event] = _real_dlsym(RTLD_NEXT, "fputc");
_real_func_addr[fsync_event] = _real_dlsym(RTLD_NEXT, "fsync");
_real_func_addr[ftell_event] = _real_dlsym(RTLD_NEXT, "ftell");
_real_func_addr[fgetpos_event] = _real_dlsym(RTLD_NEXT, "fgetpos");
_real_func_addr[fgetpos64_event] = _real_dlsym(RTLD_NEXT, "fgetpos64");
_real_func_addr[fsetpos_event] = _real_dlsym(RTLD_NEXT, "fsetpos");
_real_func_addr[fsetpos64_event] = _real_dlsym(RTLD_NEXT, "fsetpos64");
_real_func_addr[fwrite_event] = _real_dlsym(RTLD_NEXT, "fwrite");
_real_func_addr[fread_event] = _real_dlsym(RTLD_NEXT, "fread");
_real_func_addr[getc_event] = _real_dlsym(RTLD_NEXT, "getc");
_real_func_addr[fgetc_event] = _real_dlsym(RTLD_NEXT, "fgetc");
_real_func_addr[ungetc_event] = _real_dlsym(RTLD_NEXT, "ungetc");
_real_func_addr[getline_event] = _real_dlsym(RTLD_NEXT, "getline");
_real_func_addr[getdelim_event] = _real_dlsym(RTLD_NEXT, "getdelim");
_real_func_addr[putc_event] = _real_dlsym(RTLD_NEXT, "putc");
_real_func_addr[rewind_event] = _real_dlsym(RTLD_NEXT, "rewind");
_real_func_addr[tmpfile_event] = _real_dlsym(RTLD_NEXT, "tmpfile");
_real_func_addr[flockfile_event] = _real_dlsym(RTLD_NEXT, "flockfile");
_real_func_addr[ftrylockfile_event] = _real_dlsym(RTLD_NEXT, "ftrylockfile");
_real_func_addr[funlockfile_event] = _real_dlsym(RTLD_NEXT, "funlockfile");
_real_func_addr[closedir_event] = _real_dlsym(RTLD_NEXT, "closedir");
_real_func_addr[opendir_event] = _real_dlsym(RTLD_NEXT, "opendir");
_real_func_addr[fdopendir_event] = _real_dlsym(RTLD_NEXT, "fdopendir");
_real_func_addr[readdir_event] = _real_dlsym(RTLD_NEXT, "readdir");
_real_func_addr[readdir_r_event] = _real_dlsym(RTLD_NEXT, "readdir_r");
_real_func_addr[pthread_cond_broadcast_event] = dlvsym(RTLD_NEXT, "pthread_cond_broadcast", "GLIBC_2.3.2");
_real_func_addr[pthread_cond_signal_event] = dlvsym(RTLD_NEXT, "pthread_cond_signal", "GLIBC_2.3.2");
_real_func_addr[pthread_cond_wait_event] = dlvsym(RTLD_NEXT, "pthread_cond_wait", "GLIBC_2.3.2");
_real_func_addr[pthread_cond_timedwait_event] = dlvsym(RTLD_NEXT, "pthread_cond_timedwait", "GLIBC_2.3.2");
_real_func_addr[pthread_cond_destroy_event] = dlvsym(RTLD_NEXT, "pthread_cond_destroy", "GLIBC_2.3.2");
_real_func_addr[fxstat_event] = _real_dlsym(RTLD_NEXT, "__fxstat");
_real_func_addr[fxstat64_event] = _real_dlsym(RTLD_NEXT, "__fxstat64");
_real_func_addr[lxstat_event] = _real_dlsym(RTLD_NEXT, "__lxstat");
_real_func_addr[lxstat64_event] = _real_dlsym(RTLD_NEXT, "__lxstat64");
_real_func_addr[xstat_event] = _real_dlsym(RTLD_NEXT, "__xstat");
_real_func_addr[xstat64_event] = _real_dlsym(RTLD_NEXT, "__xstat64");
_real_func_addr[libc_memalign_event] = _real_dlsym(RTLD_NEXT, "__libc_memalign");
_real_func_addr[vfprintf_event] = _real_dlsym(RTLD_NEXT, "vfprintf");
_real_func_addr[vfscanf_event] = _real_dlsym(RTLD_NEXT, "vfscanf");
_real_func_addr[exec_barrier_event] = _real_dlsym(RTLD_NEXT, "exec_barrier");
_real_func_addr[signal_handler_event] = _real_dlsym(RTLD_NEXT, "signal_handler");
_real_func_addr[user_event] = _real_dlsym(RTLD_NEXT, "user");
_real_func_addr[syscall_event] = _real_dlsym(RTLD_NEXT, "syscall");
}
