| |
| /*--------------------------------------------------------------------*/ |
| /*--- Private syscalls header. priv_syswrap-generic.h ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2013 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. |
| */ |
| |
| #ifndef __PRIV_SYSWRAP_GENERIC_H |
| #define __PRIV_SYSWRAP_GENERIC_H |
| |
| #include "pub_core_basics.h" // ThreadId |
| #include "pub_core_vki.h" // vki_msghdr |
| #include "priv_types_n_macros.h" // DECL_TEMPLATE |
| |
| |
| /* Guess the client stack from the segment in which sp is mapped. |
| Register the guessed stack using VG_(register_stack). |
| Setup tst client_stack_highest_byte and client_stack_szB. |
| If sp is not in a mapped segment, does nothing. */ |
| extern void ML_(guess_and_register_stack) (Addr sp, ThreadState* tst); |
| |
| // Return true if address range entirely contained within client |
| // address space. |
| extern |
| Bool ML_(valid_client_addr)(Addr start, SizeT size, ThreadId tid, |
| const HChar *syscallname); |
| |
| /* Handy small function to help stop wrappers from segfaulting when |
| presented with bogus client addresses. Is not used for generating |
| user-visible errors. */ |
| extern Bool ML_(safe_to_deref) ( void* start, SizeT size ); |
| |
| // Returns True if the signal is OK for the client to use. |
| extern Bool ML_(client_signal_OK)(Int sigNo); |
| |
| // Return true if we're allowed to use or create this fd. |
| extern |
| Bool ML_(fd_allowed)(Int fd, const HChar *syscallname, ThreadId tid, |
| Bool isNewFD); |
| |
| extern void ML_(record_fd_open_named) (ThreadId tid, Int fd); |
| extern void ML_(record_fd_open_nameless) (ThreadId tid, Int fd); |
| extern void ML_(record_fd_open_with_given_name)(ThreadId tid, Int fd, |
| char *pathname); |
| |
| // Used when killing threads -- we must not kill a thread if it's the thread |
| // that would do Valgrind's final cleanup and output. |
| extern |
| Bool ML_(do_sigkill)(Int pid, Int tgid); |
| |
| /* When a client mmap or munmap has been successfully done, both the core |
| and the tool need to be notified of the new mapping. Hence this fn. */ |
| extern void |
| ML_(notify_core_and_tool_of_mmap) ( Addr a, SizeT len, UInt prot, |
| UInt mm_flags, Int fd, Off64T offset ); |
| extern void |
| ML_(notify_core_and_tool_of_munmap) ( Addr a, SizeT len ); |
| extern void |
| ML_(notify_core_and_tool_of_mprotect) ( Addr a, SizeT len, Int prot ); |
| |
| extern void |
| ML_(buf_and_len_pre_check) ( ThreadId tid, Addr buf_p, Addr buflen_p, |
| const HChar* buf_s, const HChar* buflen_s ); |
| extern void |
| ML_(buf_and_len_post_check) ( ThreadId tid, SysRes res, |
| Addr buf_p, Addr buflen_p, const HChar* s ); |
| |
| /* PRE and POST for unknown ioctls based on ioctl request encoding */ |
| extern |
| void ML_(PRE_unknown_ioctl)(ThreadId tid, UWord request, UWord arg); |
| extern |
| void ML_(POST_unknown_ioctl)(ThreadId tid, UInt res, UWord request, UWord arg); |
| |
| |
| DECL_TEMPLATE(generic, sys_ni_syscall); // * P -- unimplemented |
| DECL_TEMPLATE(generic, sys_exit); |
| DECL_TEMPLATE(generic, sys_fork); |
| DECL_TEMPLATE(generic, sys_read); |
| DECL_TEMPLATE(generic, sys_write); |
| DECL_TEMPLATE(generic, sys_open); |
| DECL_TEMPLATE(generic, sys_close); |
| DECL_TEMPLATE(generic, sys_waitpid); |
| DECL_TEMPLATE(generic, sys_creat); |
| DECL_TEMPLATE(generic, sys_link); |
| DECL_TEMPLATE(generic, sys_unlink); |
| DECL_TEMPLATE(generic, sys_execve); // (*??) P |
| DECL_TEMPLATE(generic, sys_chdir); |
| DECL_TEMPLATE(generic, sys_time); |
| DECL_TEMPLATE(generic, sys_mknod); |
| DECL_TEMPLATE(generic, sys_chmod); |
| DECL_TEMPLATE(generic, sys_getpid); |
| DECL_TEMPLATE(generic, sys_alarm); |
| DECL_TEMPLATE(generic, sys_pause); |
| DECL_TEMPLATE(generic, sys_access); |
| DECL_TEMPLATE(generic, sys_kill); |
| DECL_TEMPLATE(generic, sys_rename); |
| DECL_TEMPLATE(generic, sys_mkdir); |
| DECL_TEMPLATE(generic, sys_rmdir); |
| DECL_TEMPLATE(generic, sys_dup); |
| DECL_TEMPLATE(generic, sys_times); |
| DECL_TEMPLATE(generic, sys_setpgid); |
| DECL_TEMPLATE(generic, sys_umask); |
| DECL_TEMPLATE(generic, sys_dup2); |
| DECL_TEMPLATE(generic, sys_getppid); |
| DECL_TEMPLATE(generic, sys_getpgrp); |
| DECL_TEMPLATE(generic, sys_setsid); |
| DECL_TEMPLATE(generic, sys_munmap); |
| DECL_TEMPLATE(generic, sys_truncate); |
| DECL_TEMPLATE(generic, sys_ftruncate); |
| DECL_TEMPLATE(generic, sys_fchmod); |
| DECL_TEMPLATE(generic, sys_msync); |
| DECL_TEMPLATE(generic, sys_readv); |
| DECL_TEMPLATE(generic, sys_writev); |
| DECL_TEMPLATE(generic, sys_getsid); |
| DECL_TEMPLATE(generic, sys_fdatasync); |
| DECL_TEMPLATE(generic, sys_mlock); |
| DECL_TEMPLATE(generic, sys_munlock); |
| DECL_TEMPLATE(generic, sys_mlockall); |
| DECL_TEMPLATE(generic, sys_nanosleep); |
| DECL_TEMPLATE(generic, sys_mremap); // POSIX, but Linux arg order may be odd |
| DECL_TEMPLATE(generic, sys_getuid); |
| DECL_TEMPLATE(generic, sys_getgid); |
| DECL_TEMPLATE(generic, sys_geteuid); |
| DECL_TEMPLATE(generic, sys_getegid); |
| DECL_TEMPLATE(generic, sys_getpgid); |
| DECL_TEMPLATE(generic, sys_fsync); |
| DECL_TEMPLATE(generic, sys_wait4); |
| DECL_TEMPLATE(generic, sys_mprotect); |
| DECL_TEMPLATE(generic, sys_getcwd); |
| DECL_TEMPLATE(generic, sys_symlink); |
| DECL_TEMPLATE(generic, sys_getgroups); |
| DECL_TEMPLATE(generic, sys_setgroups); // SVr4, SVID, X/OPEN, 4.3BSD |
| DECL_TEMPLATE(generic, sys_chown); |
| DECL_TEMPLATE(generic, sys_setuid); |
| DECL_TEMPLATE(generic, sys_gettimeofday); |
| DECL_TEMPLATE(generic, sys_madvise); |
| DECL_TEMPLATE(generic, sys_sethostname); |
| |
| // These ones aren't POSIX, but are in some standard and look reasonably |
| // generic, and are the same for all architectures under Linux. |
| DECL_TEMPLATE(generic, sys_nice); // SVr4, SVID EXT, AT&T, X/OPEN, BSD 4.3 |
| DECL_TEMPLATE(generic, sys_sync); // SVr4, SVID, X/OPEN, BSD 4.3 |
| DECL_TEMPLATE(generic, sys_brk); // 4.3BSD |
| DECL_TEMPLATE(generic, sys_acct); // SVR4, non-POSIX |
| DECL_TEMPLATE(generic, sys_chroot); // SVr4, SVID, 4.4BSD, X/OPEN |
| DECL_TEMPLATE(generic, sys_readlink); // X/OPEN, 4.4BSD |
| DECL_TEMPLATE(generic, sys_fchdir); // SVr4, SVID, POSIX, X/OPEN, 4.4BSD |
| DECL_TEMPLATE(generic, sys_getdents); // SVr4,SVID |
| DECL_TEMPLATE(generic, sys_select); // 4.4BSD |
| DECL_TEMPLATE(generic, sys_flock); // 4.4BSD |
| DECL_TEMPLATE(generic, sys_poll); // XPG4-UNIX |
| DECL_TEMPLATE(generic, sys_getrusage); // SVr4, 4.3BSD |
| DECL_TEMPLATE(generic, sys_stime); // SVr4, SVID, X/OPEN |
| DECL_TEMPLATE(generic, sys_settimeofday); // SVr4, 4.3BSD (non-POSIX) |
| DECL_TEMPLATE(generic, sys_getpriority); // SVr4, 4.4BSD |
| DECL_TEMPLATE(generic, sys_setpriority); // SVr4, 4.4BSD |
| DECL_TEMPLATE(generic, sys_setitimer); // SVr4, 4.4BSD |
| DECL_TEMPLATE(generic, sys_getitimer); // SVr4, 4.4BSD |
| DECL_TEMPLATE(generic, sys_setreuid); // 4.3BSD |
| DECL_TEMPLATE(generic, sys_setregid); // 4.3BSD |
| DECL_TEMPLATE(generic, sys_fchown); // SVr4,4.3BSD |
| DECL_TEMPLATE(generic, sys_setgid); // SVr4,SVID |
| DECL_TEMPLATE(generic, sys_utimes); // 4.3BSD |
| |
| // May not be generic for every architecture under Linux. |
| DECL_TEMPLATE(generic, sys_sigaction); // (x86) P |
| |
| // Funny names, not sure... |
| DECL_TEMPLATE(generic, sys_newstat); // * P |
| DECL_TEMPLATE(generic, sys_newlstat); // * |
| DECL_TEMPLATE(generic, sys_newfstat); // * P (SVr4,BSD4.3) |
| |
| // For the remainder, not really sure yet |
| DECL_TEMPLATE(generic, sys_ptrace); // (x86?) (almost-P) |
| DECL_TEMPLATE(generic, sys_setrlimit); // SVr4, 4.3BSD |
| DECL_TEMPLATE(generic, sys_old_getrlimit); // SVr4, 4.3BSD L? |
| DECL_TEMPLATE(generic, sys_statfs); // * L? |
| DECL_TEMPLATE(generic, sys_fstatfs); // * L? |
| DECL_TEMPLATE(generic, sys_iopl); // (x86/amd64) L |
| DECL_TEMPLATE(generic, sys_newuname); // * P |
| DECL_TEMPLATE(generic, sys_pread64); // * (Unix98?) |
| DECL_TEMPLATE(generic, sys_pwrite64); // * (Unix98?) |
| DECL_TEMPLATE(generic, sys_sigaltstack); // (x86) (XPG4-UNIX) |
| DECL_TEMPLATE(generic, sys_getpmsg); // (?) (?) |
| DECL_TEMPLATE(generic, sys_putpmsg); // (?) (?) |
| DECL_TEMPLATE(generic, sys_getrlimit); // * (?) |
| DECL_TEMPLATE(generic, sys_truncate64); // %% (P?) |
| DECL_TEMPLATE(generic, sys_ftruncate64); // %% (P?) |
| DECL_TEMPLATE(generic, sys_lchown); // * (L?) |
| DECL_TEMPLATE(generic, sys_mincore); // * L? |
| DECL_TEMPLATE(generic, sys_getdents64); // * (SVr4,SVID?) |
| DECL_TEMPLATE(generic, sys_statfs64); // * (?) |
| DECL_TEMPLATE(generic, sys_fstatfs64); // * (?) |
| |
| |
| /* --------------------------------------------------------------------- |
| Wrappers for sockets and ipc-ery. These are split into standalone |
| procedures because some platforms hides them inside multiplexors |
| (sys_socketcall and sys_ipc). |
| ------------------------------------------------------------------ */ |
| |
| #define TId ThreadId |
| #define UW UWord |
| #define SR SysRes |
| |
| extern void ML_(generic_PRE_sys_socketpair) ( TId, UW, UW, UW, UW ); |
| extern SysRes ML_(generic_POST_sys_socketpair) ( TId, SR, UW, UW, UW, UW ); |
| extern SysRes ML_(generic_POST_sys_socket) ( TId, SR ); |
| extern void ML_(generic_PRE_sys_bind) ( TId, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_accept) ( TId, UW, UW, UW ); |
| extern SysRes ML_(generic_POST_sys_accept) ( TId, SR, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_sendto) ( TId, UW, UW, UW, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_send) ( TId, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_recvfrom) ( TId, UW, UW, UW, UW, UW, UW ); |
| extern void ML_(generic_POST_sys_recvfrom) ( TId, SR, UW, UW, UW, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_recv) ( TId, UW, UW, UW ); |
| extern void ML_(generic_POST_sys_recv) ( TId, UW, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_connect) ( TId, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_setsockopt) ( TId, UW, UW, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_getsockname) ( TId, UW, UW, UW ); |
| extern void ML_(generic_POST_sys_getsockname) ( TId, SR, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_getpeername) ( TId, UW, UW, UW ); |
| extern void ML_(generic_POST_sys_getpeername) ( TId, SR, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_sendmsg) ( TId, const HChar *, |
| struct vki_msghdr * ); |
| extern void ML_(generic_PRE_sys_recvmsg) ( TId, const HChar *, |
| struct vki_msghdr * ); |
| extern void ML_(generic_POST_sys_recvmsg) ( TId, const HChar *, |
| struct vki_msghdr *, UInt ); |
| |
| extern void ML_(generic_PRE_sys_semop) ( TId, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_semtimedop) ( TId, UW, UW, UW, UW ); |
| extern void ML_(generic_PRE_sys_semctl) ( TId, UW, UW, UW, UW ); |
| extern void ML_(generic_POST_sys_semctl) ( TId, UW, UW, UW, UW, UW ); |
| extern UWord ML_(generic_PRE_sys_shmat) ( TId, UW, UW, UW ); |
| extern void ML_(generic_POST_sys_shmat) ( TId, UW, UW, UW, UW ); |
| extern Bool ML_(generic_PRE_sys_shmdt) ( TId, UW ); |
| extern void ML_(generic_POST_sys_shmdt) ( TId, UW, UW ); |
| extern void ML_(generic_PRE_sys_shmctl) ( TId, UW, UW, UW ); |
| extern void ML_(generic_POST_sys_shmctl) ( TId, UW, UW, UW, UW ); |
| |
| extern SysRes ML_(generic_PRE_sys_mmap) ( TId, UW, UW, UW, UW, UW, Off64T ); |
| |
| #define PRE_timeval_READ(zzname, zzarg) \ |
| do { \ |
| struct vki_timeval *zztv = (struct vki_timeval *)(zzarg); \ |
| PRE_FIELD_READ(zzname, zztv->tv_sec); \ |
| PRE_FIELD_READ(zzname, zztv->tv_usec); \ |
| } while (0) |
| #define PRE_timeval_WRITE(zzname, zzarg) \ |
| do { \ |
| struct vki_timeval *zztv = (struct vki_timeval *)(zzarg); \ |
| PRE_FIELD_WRITE(zzname, zztv->tv_sec); \ |
| PRE_FIELD_WRITE(zzname, zztv->tv_usec); \ |
| } while (0) |
| #define POST_timeval_WRITE(zzarg) \ |
| do { \ |
| struct vki_timeval *zztv = (struct vki_timeval *)(zzarg); \ |
| POST_FIELD_WRITE(zztv->tv_sec); \ |
| POST_FIELD_WRITE(zztv->tv_usec); \ |
| } while (0) |
| |
| |
| #undef TId |
| #undef UW |
| #undef SR |
| |
| |
| ///////////////////////////////////////////////////////////////// |
| |
| |
| #endif // __PRIV_SYSWRAP_GENERIC_H |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end ---*/ |
| /*--------------------------------------------------------------------*/ |
