/*--------------------------------------------------------------------*/ /*--- Platform-specific syscalls stuff. syswrap-mips32-linux.c ----*/ /*--------------------------------------------------------------------*/ /* This file is part of Valgrind, a dynamic binary instrumentation framework. Copyright (C) 2010-2012 RT-RK mips-valgrind@rt-rk.com 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. */ #if defined(VGP_mips32_linux) #include "pub_core_basics.h" #include "pub_core_vki.h" #include "pub_core_vkiscnums.h" #include "pub_core_libcsetjmp.h" // to keep _threadstate.h happy #include "pub_core_threadstate.h" #include "pub_core_aspacemgr.h" #include "pub_core_debuglog.h" #include "pub_core_libcbase.h" #include "pub_core_libcassert.h" #include "pub_core_libcprint.h" #include "pub_core_libcproc.h" #include "pub_core_libcsignal.h" #include "pub_core_options.h" #include "pub_core_scheduler.h" #include "pub_core_sigframe.h" // For VG_(sigframe_destroy)() #include "pub_core_signals.h" #include "pub_core_syscall.h" #include "pub_core_syswrap.h" #include "pub_core_tooliface.h" #include "pub_core_stacks.h" // VG_(register_stack) #include "pub_core_transtab.h" // VG_(discard_translations) #include "priv_types_n_macros.h" #include "priv_syswrap-generic.h" /* for decls of generic wrappers */ #include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */ #include "priv_syswrap-main.h" #include "pub_core_debuginfo.h" // VG_(di_notify_*) #include "pub_core_xarray.h" #include "pub_core_clientstate.h" // VG_(brk_base), VG_(brk_limit) #include "pub_core_errormgr.h" #include "pub_tool_gdbserver.h" // VG_(gdbserver) #include "pub_core_libcfile.h" #include "pub_core_machine.h" // VG_(get_SP) #include "pub_core_mallocfree.h" #include "pub_core_stacktrace.h" // For VG_(get_and_pp_StackTrace)() #include "pub_core_ume.h" #include "priv_syswrap-generic.h" #include "config.h" #include <errno.h> /* --------------------------------------------------------------------- clone() handling ------------------------------------------------------------------ */ /* Call f(arg1), but first switch stacks, using 'stack' as the new stack, and use 'retaddr' as f's return-to address. Also, clear all the integer registers before entering f.*/ __attribute__ ((noreturn)) void ML_ (call_on_new_stack_0_1) (Addr stack, Addr retaddr, void (*f) (Word), Word arg1); // a0 = stack // a1 = retaddr // a2 = f // a3 = arg1 asm ( ".text\n" ".globl vgModuleLocal_call_on_new_stack_0_1\n" "vgModuleLocal_call_on_new_stack_0_1:\n" " move $29, $4\n\t" // stack to %sp " move $25, $6\n\t" // f to t9/$25 " move $4, $7\n\t" // arg1 to $a0 " li $2, 0\n\t" // zero all GP regs " li $3, 0\n\t" " li $5, 0\n\t" " li $6, 0\n\t" " li $7, 0\n\t" " li $12, 0\n\t" " li $13, 0\n\t" " li $14, 0\n\t" " li $15, 0\n\t" " li $16, 0\n\t" " li $17, 0\n\t" " li $18, 0\n\t" " li $19, 0\n\t" " li $20, 0\n\t" " li $21, 0\n\t" " li $22, 0\n\t" " li $23, 0\n\t" " li $24, 0\n\t" " jr $25\n\t" // jump to dst " break 0x7\n" // should never get here ".previous\n" ); /* Perform a clone system call. clone is strange because it has fork()-like return-twice semantics, so it needs special handling here. Upon entry, we have: int (fn)(void*) in $a0 0 void* child_stack in $a1 4 int flags in $a2 8 void* arg in $a3 12 pid_t* child_tid in stack 16 pid_t* parent_tid in stack 20 void* tls_ptr in stack 24 System call requires: int $__NR_clone in $v0 int flags in $a0 0 void* child_stack in $a1 4 pid_t* parent_tid in $a2 8 void* tls_ptr in $a3 12 pid_t* child_tid in stack 16 int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg, void *parent_tidptr, void *tls, void *child_tidptr) Returns an Int encoded in the linux-mips way, not a SysRes. */ #define __NR_CLONE VG_STRINGIFY(__NR_clone) #define __NR_EXIT VG_STRINGIFY(__NR_exit) //extern UInt do_syscall_clone_mips_linux (Word (*fn) (void *), //a0 0 32 void *stack, //a1 4 36 Int flags, //a2 8 40 void *arg, //a3 12 44 Int * child_tid, //stack 16 48 Int * parent_tid, //stack 20 52 Int tls); //stack 24 56 asm ( ".text\n" " .globl do_syscall_clone_mips_linux\n" " do_syscall_clone_mips_linux:\n" " subu $29,$29,32\n\t" " sw $31, 0($29)\n\t" " sw $2, 4($29)\n\t" " sw $3, 8($29)\n\t" " sw $30, 12($29)\n\t" " sw $28, 28($29)\n\t" /* set up child stack with function and arg */ /* syscall arg 2 child_stack is already in a1 */ " subu $5, $5, 32\n\t" /* make space on stack */ " sw $4, 0($5)\n\t" /* fn */ " sw $7, 4($5)\n\t" /* fn arg */ " sw $6, 8($5)\n\t" /* get other args to clone */ " move $4, $a2\n\t" /* a0 = flags */ " lw $6, 52($29)\n\t" /* a2 = parent_tid */ " lw $7, 48($29)\n\t" /* a3 = child_tid */ " sw $7, 16($29)\n\t" /* 16(sp) = child_tid */ " lw $7, 56($29)\n\t" /* a3 = tls_ptr */ /* do the system call */ " li $2, " __NR_CLONE "\n\t" /* __NR_clone */ " syscall\n\t" " nop\n\t" " bnez $7, .Lerror\n\t" " nop\n\t" " beqz $2, .Lstart\n\t" " nop\n\t" " lw $31, 0($sp)\n\t" " nop\n\t" " lw $30, 12($sp)\n\t" " nop\n\t" " addu $29,$29,32\n\t" /* free stack */ " nop\n\t" " jr $31\n\t" " nop\n\t" ".Lerror:\n\t" " li $31, 5\n\t" " jr $31\n\t" " nop\n\t" ".Lstart:\n\t" " lw $4, 4($29)\n\t" " nop\n\t" " lw $25, 0($29)\n\t" " nop\n\t" " jalr $25\n\t" " nop\n\t" " move $4, $2\n\t" /* retval from fn is in $v0 */ " li $2, " __NR_EXIT "\n\t" /* NR_exit */ " syscall\n\t" " nop\n\t" " .previous\n" ); #undef __NR_CLONE #undef __NR_EXIT // forward declarations static void setup_child (ThreadArchState *, ThreadArchState *); static SysRes sys_set_tls (ThreadId tid, Addr tlsptr); /* When a client clones, we need to keep track of the new thread. This means: 1. allocate a ThreadId+ThreadState+stack for the the thread 2. initialize the thread's new VCPU state 3. create the thread using the same args as the client requested, but using the scheduler entrypoint for IP, and a separate stack for SP. */ static SysRes do_clone (ThreadId ptid, UInt flags, Addr sp, Int * parent_tidptr, Int * child_tidptr, Addr child_tls) { const Bool debug = False; ThreadId ctid = VG_ (alloc_ThreadState) (); ThreadState * ptst = VG_ (get_ThreadState) (ptid); ThreadState * ctst = VG_ (get_ThreadState) (ctid); UInt ret = 0; UWord * stack; NSegment const *seg; SysRes res; vki_sigset_t blockall, savedmask; VG_ (sigfillset) (&blockall); vg_assert (VG_ (is_running_thread) (ptid)); vg_assert (VG_ (is_valid_tid) (ctid)); stack = (UWord *) ML_ (allocstack) (ctid); if (stack == NULL) { res = VG_ (mk_SysRes_Error) (VKI_ENOMEM); goto out; } setup_child (&ctst->arch, &ptst->arch); /* on MIPS we need to set V0 and A3 to zero */ ctst->arch.vex.guest_r2 = 0; ctst->arch.vex.guest_r7 = 0; if (sp != 0) ctst->arch.vex.guest_r29 = sp; ctst->os_state.parent = ptid; ctst->sig_mask = ptst->sig_mask; ctst->tmp_sig_mask = ptst->sig_mask; /* Start the child with its threadgroup being the same as the parent's. This is so that any exit_group calls that happen after the child is created but before it sets its os_state.threadgroup field for real (in thread_wrapper in syswrap-linux.c), really kill the new thread. a.k.a this avoids a race condition in which the thread is unkillable (via exit_group) because its threadgroup is not set. The race window is probably only a few hundred or a few thousand cycles long. See #226116. */ ctst->os_state.threadgroup = ptst->os_state.threadgroup; seg = VG_ (am_find_nsegment) ((Addr) sp); if (seg && seg->kind != SkResvn) { ctst->client_stack_highest_word = (Addr) VG_PGROUNDUP (sp); ctst->client_stack_szB = ctst->client_stack_highest_word - seg->start; VG_ (register_stack) (seg->start, ctst->client_stack_highest_word); if (debug) VG_ (printf) ("tid %d: guessed client stack range %#lx-%#lx\n", ctid, seg->start, VG_PGROUNDUP (sp)); } else { VG_ (message) (Vg_UserMsg, "!? New thread %d starts with sp+%#lx) unmapped\n", ctid, sp); ctst->client_stack_szB = 0; } VG_TRACK (pre_thread_ll_create, ptid, ctid); if (flags & VKI_CLONE_SETTLS) { if (debug) VG_(printf)("clone child has SETTLS: tls at %#lx\n", child_tls); ctst->arch.vex.guest_r27 = child_tls; res = sys_set_tls(ctid, child_tls); if (sr_isError(res)) goto out; ctst->arch.vex.guest_r27 = child_tls; } flags &= ~VKI_CLONE_SETTLS; VG_ (sigprocmask) (VKI_SIG_SETMASK, &blockall, &savedmask); /* Create the new thread */ ret = do_syscall_clone_mips_linux (ML_ (start_thread_NORETURN), stack, flags, &VG_ (threads)[ctid], child_tidptr, parent_tidptr, 0 /*child_tls*/); /* High half word64 is syscall return value. Low half is the entire CR, from which we need to extract CR0.SO. */ if (debug) VG_(printf)("ret: 0x%x\n", ret); res = VG_ (mk_SysRes_mips32_linux) (/*val */ ret, 0, /*errflag */ 0); VG_ (sigprocmask) (VKI_SIG_SETMASK, &savedmask, NULL); out: if (sr_isError (res)) { VG_(cleanup_thread) (&ctst->arch); ctst->status = VgTs_Empty; VG_TRACK (pre_thread_ll_exit, ctid); } ptst->arch.vex.guest_r2 = 0; return res; } /* --------------------------------------------------------------------- More thread stuff ------------------------------------------------------------------ */ // MIPS doesn't have any architecture specific thread stuff that // needs to be cleaned up da li ????!!!!??? void VG_ (cleanup_thread) (ThreadArchState * arch) { } void setup_child ( /*OUT*/ ThreadArchState * child, /*IN*/ ThreadArchState * parent) { /* We inherit our parent's guest state. */ child->vex = parent->vex; child->vex_shadow1 = parent->vex_shadow1; child->vex_shadow2 = parent->vex_shadow2; } SysRes sys_set_tls ( ThreadId tid, Addr tlsptr ) { VG_(threads)[tid].arch.vex.guest_ULR = tlsptr; return VG_(mk_SysRes_Success)( 0 ); } /* --------------------------------------------------------------------- PRE/POST wrappers for mips/Linux-specific syscalls ------------------------------------------------------------------ */ #define PRE(name) DEFN_PRE_TEMPLATE(mips_linux, name) #define POST(name) DEFN_POST_TEMPLATE(mips_linux, name) /* Add prototypes for the wrappers declared here, so that gcc doesn't harass us for not having prototypes. Really this is a kludge -- the right thing to do is to make these wrappers 'static' since they aren't visible outside this file, but that requires even more macro magic. */ //DECL_TEMPLATE (mips_linux, sys_syscall); DECL_TEMPLATE (mips_linux, sys_socketcall); DECL_TEMPLATE (mips_linux, sys_socket); DECL_TEMPLATE (mips_linux, sys_setsockopt); DECL_TEMPLATE (mips_linux, sys_getsockopt); DECL_TEMPLATE (mips_linux, sys_connect); DECL_TEMPLATE (mips_linux, sys_accept); DECL_TEMPLATE (mips_linux, sys_sendto); DECL_TEMPLATE (mips_linux, sys_recvfrom); DECL_TEMPLATE (mips_linux, sys_ipc); DECL_TEMPLATE (mips_linux, sys_semget); DECL_TEMPLATE (mips_linux, sys_semop); DECL_TEMPLATE (mips_linux, sys_semctl); DECL_TEMPLATE (mips_linux, sys_semtimedop); DECL_TEMPLATE (mips_linux, sys_shmget); DECL_TEMPLATE (mips_linux, sys_shmdt); DECL_TEMPLATE (mips_linux, sys_shmctl); DECL_TEMPLATE (mips_linux, sys_sendmsg); DECL_TEMPLATE (mips_linux, sys_recvmsg); DECL_TEMPLATE (mips_linux, sys_msgget); DECL_TEMPLATE (mips_linux, sys_msgrcv); DECL_TEMPLATE (mips_linux, sys_msgsnd); DECL_TEMPLATE (mips_linux, sys_msgctl); DECL_TEMPLATE (mips_linux, sys_shutdown); DECL_TEMPLATE (mips_linux, sys_bind); DECL_TEMPLATE (mips_linux, sys_listen); DECL_TEMPLATE (mips_linux, sys_getsockname); DECL_TEMPLATE (mips_linux, sys_getpeername); DECL_TEMPLATE (mips_linux, sys_socketpair); DECL_TEMPLATE (mips_linux, sys_send); DECL_TEMPLATE (mips_linux, sys_recv); DECL_TEMPLATE (mips_linux, sys_mmap); DECL_TEMPLATE (mips_linux, sys_mmap2); DECL_TEMPLATE (mips_linux, sys_stat64); DECL_TEMPLATE (mips_linux, sys_lstat64); DECL_TEMPLATE (mips_linux, sys_fstatat64); DECL_TEMPLATE (mips_linux, sys_fstat64); DECL_TEMPLATE (mips_linux, sys_clone); DECL_TEMPLATE (mips_linux, sys_sigreturn); DECL_TEMPLATE (mips_linux, sys_rt_sigreturn); DECL_TEMPLATE (mips_linux, sys_cacheflush); DECL_TEMPLATE (mips_linux, sys_set_thread_area); DECL_TEMPLATE (mips_linux, sys_pipe); PRE (sys_socketcall) { # define ARG2_0 (((UWord*)ARG2)[0]) # define ARG2_1 (((UWord*)ARG2)[1]) # define ARG2_2 (((UWord*)ARG2)[2]) # define ARG2_3 (((UWord*)ARG2)[3]) # define ARG2_4 (((UWord*)ARG2)[4]) # define ARG2_5 (((UWord*)ARG2)[5]) *flags |= SfMayBlock; PRINT ("sys_socketcall ( %ld, %#lx )", ARG1, ARG2); PRE_REG_READ2 (long, "socketcall", int, call, unsigned long *, args); switch (ARG1 /* request */ ) { case VKI_SYS_SOCKETPAIR: /* int socketpair(int d, int type, int protocol, int sv[2]); */ PRE_MEM_READ ("socketcall.socketpair(args)", ARG2, 4 * sizeof (Addr)); ML_ (generic_PRE_sys_socketpair) (tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3); break; case VKI_SYS_SOCKET: /* int socket(int domain, int type, int protocol); */ PRE_MEM_READ ("socketcall.socket(args)", ARG2, 3 * sizeof (Addr)); break; case VKI_SYS_BIND: /* int bind(int sockfd, struct sockaddr *my_addr, int addrlen); */ PRE_MEM_READ ("socketcall.bind(args)", ARG2, 3 * sizeof (Addr)); ML_ (generic_PRE_sys_bind) (tid, ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_LISTEN: /* int listen(int s, int backlog); */ PRE_MEM_READ ("socketcall.listen(args)", ARG2, 2 * sizeof (Addr)); break; case VKI_SYS_ACCEPT: { /* int accept(int s, struct sockaddr *addr, int *addrlen); */ PRE_MEM_READ ("socketcall.accept(args)", ARG2, 3 * sizeof (Addr)); ML_ (generic_PRE_sys_accept) (tid, ARG2_0, ARG2_1, ARG2_2); break; } case VKI_SYS_SENDTO: /* int sendto(int s, const void *msg, int len, unsigned int flags, const struct sockaddr *to, int tolen); */ PRE_MEM_READ ("socketcall.sendto(args)", ARG2, 6 * sizeof (Addr)); ML_ (generic_PRE_sys_sendto) (tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3, ARG2_4, ARG2_5); break; case VKI_SYS_SEND: /* int send(int s, const void *msg, size_t len, int flags); */ PRE_MEM_READ ("socketcall.send(args)", ARG2, 4 * sizeof (Addr)); ML_ (generic_PRE_sys_send) (tid, ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_RECVFROM: /* int recvfrom(int s, void *buf, int len, unsigned int flags, struct sockaddr *from, int *fromlen); */ PRE_MEM_READ ("socketcall.recvfrom(args)", ARG2, 6 * sizeof (Addr)); ML_ (generic_PRE_sys_recvfrom) (tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3, ARG2_4, ARG2_5); break; case VKI_SYS_RECV: /* int recv(int s, void *buf, int len, unsigned int flags); */ /* man 2 recv says: The recv call is normally used only on a connected socket (see connect(2)) and is identical to recvfrom with a NULL from parameter. */ PRE_MEM_READ ("socketcall.recv(args)", ARG2, 4 * sizeof (Addr)); ML_ (generic_PRE_sys_recv) (tid, ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_CONNECT: /* int connect(int sockfd, struct sockaddr *serv_addr, int addrlen ); */ PRE_MEM_READ ("socketcall.connect(args)", ARG2, 3 * sizeof (Addr)); ML_ (generic_PRE_sys_connect) (tid, ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_SETSOCKOPT: /* int setsockopt(int s, int level, int optname, const void *optval, int optlen); */ PRE_MEM_READ ("socketcall.setsockopt(args)", ARG2, 5 * sizeof (Addr)); ML_ (generic_PRE_sys_setsockopt) (tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3, ARG2_4); break; case VKI_SYS_GETSOCKOPT: /* int getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen); */ PRE_MEM_READ ("socketcall.getsockopt(args)", ARG2, 5 * sizeof (Addr)); ML_ (linux_PRE_sys_getsockopt) (tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3, ARG2_4); break; case VKI_SYS_GETSOCKNAME: /* int getsockname(int s, struct sockaddr* name, int* namelen) */ PRE_MEM_READ ("socketcall.getsockname(args)", ARG2, 3 * sizeof (Addr)); ML_ (generic_PRE_sys_getsockname) (tid, ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_GETPEERNAME: /* int getpeername(int s, struct sockaddr* name, int* namelen) */ PRE_MEM_READ ("socketcall.getpeername(args)", ARG2, 3 * sizeof (Addr)); ML_ (generic_PRE_sys_getpeername) (tid, ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_SHUTDOWN: /* int shutdown(int s, int how); */ PRE_MEM_READ ("socketcall.shutdown(args)", ARG2, 2 * sizeof (Addr)); break; case VKI_SYS_SENDMSG: { /* int sendmsg(int s, const struct msghdr *msg, int flags); */ /* this causes warnings, and I don't get why. glibc bug? * (after all it's glibc providing the arguments array) PRE_MEM_READ( "socketcall.sendmsg(args)", ARG2, 3*sizeof(Addr) ); */ ML_ (generic_PRE_sys_sendmsg) (tid, (UChar *)ARG2_0, (struct vki_msghdr *)ARG2_1); break; } case VKI_SYS_RECVMSG: { /* int recvmsg(int s, struct msghdr *msg, int flags); */ /* this causes warnings, and I don't get why. glibc bug? * (after all it's glibc providing the arguments array) PRE_MEM_READ("socketcall.recvmsg(args)", ARG2, 3*sizeof(Addr) ); */ ML_ (generic_PRE_sys_recvmsg) (tid, (UChar *)ARG2_0, (struct vki_msghdr *)ARG2_1); break; } default: VG_ (message) (Vg_DebugMsg, "Warning: unhandled socketcall 0x%lx", ARG1); SET_STATUS_Failure (VKI_EINVAL); break; } # undef ARG2_0 # undef ARG2_1 # undef ARG2_2 # undef ARG2_3 # undef ARG2_4 # undef ARG2_5 } POST (sys_socketcall) { # define ARG2_0 (((UWord*)ARG2)[0]) # define ARG2_1 (((UWord*)ARG2)[1]) # define ARG2_2 (((UWord*)ARG2)[2]) # define ARG2_3 (((UWord*)ARG2)[3]) # define ARG2_4 (((UWord*)ARG2)[4]) # define ARG2_5 (((UWord*)ARG2)[5]) SysRes r; vg_assert (SUCCESS); switch (ARG1 /* request */ ) { case VKI_SYS_SOCKETPAIR: r = ML_ (generic_POST_sys_socketpair) ( tid, VG_ (mk_SysRes_Success) (RES), ARG2_0, ARG2_1, ARG2_2, ARG2_3); SET_STATUS_from_SysRes (r); break; case VKI_SYS_SOCKET: r = ML_ (generic_POST_sys_socket) (tid, VG_ (mk_SysRes_Success) (RES)); SET_STATUS_from_SysRes (r); break; case VKI_SYS_BIND: /* int bind(int sockfd, struct sockaddr *my_addr, int addrlen); */ break; case VKI_SYS_LISTEN: /* int listen(int s, int backlog); */ break; case VKI_SYS_ACCEPT: /* int accept(int s, struct sockaddr *addr, int *addrlen); */ r = ML_ (generic_POST_sys_accept) (tid, VG_ (mk_SysRes_Success) (RES), ARG2_0, ARG2_1, ARG2_2); SET_STATUS_from_SysRes (r); break; case VKI_SYS_SENDTO: break; case VKI_SYS_SEND: break; case VKI_SYS_RECVFROM: ML_ (generic_POST_sys_recvfrom) (tid, VG_ (mk_SysRes_Success) (RES), ARG2_0, ARG2_1, ARG2_2, ARG2_3, ARG2_4, ARG2_5); break; case VKI_SYS_RECV: ML_ (generic_POST_sys_recv) (tid, RES, ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_CONNECT: break; case VKI_SYS_SETSOCKOPT: break; case VKI_SYS_GETSOCKOPT: ML_ (linux_POST_sys_getsockopt) (tid, VG_ (mk_SysRes_Success) (RES), ARG2_0, ARG2_1, ARG2_2, ARG2_3, ARG2_4); break; case VKI_SYS_GETSOCKNAME: ML_ (generic_POST_sys_getsockname) (tid, VG_ (mk_SysRes_Success) (RES), ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_GETPEERNAME: ML_ (generic_POST_sys_getpeername) (tid, VG_ (mk_SysRes_Success) (RES), ARG2_0, ARG2_1, ARG2_2); break; case VKI_SYS_SHUTDOWN: break; case VKI_SYS_SENDMSG: break; case VKI_SYS_RECVMSG: ML_(generic_PRE_sys_recvmsg)( tid, "msg", (struct vki_msghdr *)ARG2_1 ); break; default: VG_ (message) (Vg_DebugMsg, "FATAL: unhandled socketcall 0x%lx", ARG1); VG_ (core_panic) ("... bye!\n"); break; /*NOTREACHED*/ } # undef ARG2_0 # undef ARG2_1 # undef ARG2_2 # undef ARG2_3 # undef ARG2_4 # undef ARG2_5 } PRE (sys_socket) { PRINT ("sys_socket ( %ld, %ld, %ld )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "socket", int, domain, int, type, int, protocol); } POST (sys_socket) { SysRes r; vg_assert (SUCCESS); r = ML_ (generic_POST_sys_socket) (tid, VG_ (mk_SysRes_Success) (RES)); SET_STATUS_from_SysRes (r); } PRE (sys_setsockopt) { PRINT ("sys_setsockopt ( %ld, %ld, %ld, %#lx, %ld )", ARG1, ARG2, ARG3, ARG4, ARG5); PRE_REG_READ5 (long, "setsockopt", int, s, int, level, int, optname, const void *, optval, int, optlen); ML_ (generic_PRE_sys_setsockopt) (tid, ARG1, ARG2, ARG3, ARG4, ARG5); } PRE (sys_getsockopt) { PRINT ("sys_getsockopt ( %ld, %ld, %ld, %#lx, %#lx )", ARG1, ARG2, ARG3, ARG4, ARG5); PRE_REG_READ5 (long, "getsockopt", int, s, int, level, int, optname, void *, optval, int, *optlen); ML_ (linux_PRE_sys_getsockopt) (tid, ARG1, ARG2, ARG3, ARG4, ARG5); } POST (sys_getsockopt) { vg_assert (SUCCESS); ML_ (linux_POST_sys_getsockopt) (tid, VG_ (mk_SysRes_Success) (RES), ARG1, ARG2, ARG3, ARG4, ARG5); } PRE(sys_connect) { *flags |= SfMayBlock; PRINT("sys_connect ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); PRE_REG_READ3(long, "connect", int, sockfd, struct sockaddr *, serv_addr, int, addrlen); ML_(generic_PRE_sys_connect)(tid, ARG1,ARG2,ARG3); } PRE (sys_accept) { *flags |= SfMayBlock; PRINT ("sys_accept ( %ld, %#lx, %ld )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "accept", int, s, struct sockaddr *, addr, int, *addrlen); ML_ (generic_PRE_sys_accept) (tid, ARG1, ARG2, ARG3); } POST (sys_accept) { SysRes r; vg_assert (SUCCESS); r = ML_ (generic_POST_sys_accept) (tid, VG_ (mk_SysRes_Success) (RES), ARG1, ARG2, ARG3); SET_STATUS_from_SysRes (r); } PRE (sys_sendto) { *flags |= SfMayBlock; PRINT ("sys_sendto ( %ld, %#lx, %ld, %lu, %#lx, %ld )", ARG1, ARG2, ARG3, ARG4, ARG5, ARG6); PRE_REG_READ6 (long, "sendto", int, s, const void *, msg, int, len, unsigned int, flags, const struct sockaddr *, to, int, tolen); ML_ (generic_PRE_sys_sendto) (tid, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6); } PRE (sys_recvfrom) { *flags |= SfMayBlock; PRINT ("sys_recvfrom ( %ld, %#lx, %ld, %lu, %#lx, %#lx )", ARG1, ARG2, ARG3, ARG4, ARG5, ARG6); PRE_REG_READ6 (long, "recvfrom", int, s, void *, buf, int, len, unsigned int, flags, struct sockaddr *, from, int *, fromlen); ML_ (generic_PRE_sys_recvfrom) (tid, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6); } POST (sys_recvfrom) { vg_assert (SUCCESS); ML_ (generic_POST_sys_recvfrom) (tid, VG_ (mk_SysRes_Success) (RES), ARG1, ARG2, ARG3, ARG4, ARG5, ARG6); } PRE(sys_sendmsg) { *flags |= SfMayBlock; PRINT("sys_sendmsg ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); PRE_REG_READ3(long, "sendmsg", int, s, const struct msghdr *, msg, int, flags); ML_(generic_PRE_sys_sendmsg)(tid, "msg", (struct vki_msghdr *)ARG2); } PRE(sys_recvmsg) { *flags |= SfMayBlock; PRINT("sys_recvmsg ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); PRE_REG_READ3(long, "recvmsg", int, s, struct msghdr *, msg, int, flags); ML_(generic_PRE_sys_recvmsg)(tid, "msg", (struct vki_msghdr *)ARG2); } POST(sys_recvmsg) { ML_(generic_POST_sys_recvmsg)(tid, "msg", (struct vki_msghdr *)ARG2, RES); } PRE (sys_semget) { PRINT ("sys_semget ( %ld, %ld, %ld )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "semget", vki_key_t, key, int, nsems, int, semflg); } PRE (sys_semop) { *flags |= SfMayBlock; PRINT ("sys_semop ( %ld, %#lx, %lu )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "semop", int, semid, struct sembuf *, sops, unsigned, nsoops); ML_ (generic_PRE_sys_semop) (tid, ARG1, ARG2, ARG3); } PRE (sys_semctl) { switch (ARG3 & ~VKI_IPC_64) { case VKI_IPC_INFO: case VKI_SEM_INFO: PRINT ("sys_semctl ( %ld, %ld, %ld, %#lx )", ARG1, ARG2, ARG3, ARG4); PRE_REG_READ4 (long, "semctl", int, semid, int, semnum, int, cmd, struct seminfo *, arg); break; case VKI_IPC_STAT: case VKI_SEM_STAT: case VKI_IPC_SET: PRINT ("sys_semctl ( %ld, %ld, %ld, %#lx )", ARG1, ARG2, ARG3, ARG4); PRE_REG_READ4 (long, "semctl", int, semid, int, semnum, int, cmd, struct semid_ds *, arg); break; case VKI_GETALL: case VKI_SETALL: PRINT ("sys_semctl ( %ld, %ld, %ld, %#lx )", ARG1, ARG2, ARG3, ARG4); PRE_REG_READ4 (long, "semctl", int, semid, int, semnum, int, cmd, unsigned short *, arg); break; default: PRINT ("sys_semctl ( %ld, %ld, %ld )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "semctl", int, semid, int, semnum, int, cmd); break; } ML_ (generic_PRE_sys_semctl) (tid, ARG1, ARG2, ARG3, ARG4); } POST (sys_semctl) { ML_ (generic_POST_sys_semctl) (tid, RES, ARG1, ARG2, ARG3, ARG4); } PRE (sys_semtimedop) { *flags |= SfMayBlock; PRINT ("sys_semtimedop ( %ld, %#lx, %lu, %#lx )", ARG1, ARG2, ARG3, ARG4); PRE_REG_READ4 (long, "semtimedop", int, semid, struct sembuf *, sops, unsigned, nsoops, struct timespec *, timeout); ML_ (generic_PRE_sys_semtimedop) (tid, ARG1, ARG2, ARG3, ARG4); } PRE (sys_msgget) { PRINT ("sys_msgget ( %ld, %ld )", ARG1, ARG2); PRE_REG_READ2 (long, "msgget", vki_key_t, key, int, msgflg); } PRE (sys_msgsnd) { PRINT ("sys_msgsnd ( %ld, %#lx, %ld, %ld )", ARG1, ARG2, ARG3, ARG4); PRE_REG_READ4 (long, "msgsnd", int, msqid, struct msgbuf *, msgp, vki_size_t, msgsz, int, msgflg); ML_ (linux_PRE_sys_msgsnd) (tid, ARG1, ARG2, ARG3, ARG4); if ((ARG4 & VKI_IPC_NOWAIT) == 0) *flags |= SfMayBlock; } PRE (sys_msgrcv) { PRINT ("sys_msgrcv ( %ld, %#lx, %ld, %ld, %ld )", ARG1, ARG2, ARG3, ARG4, ARG5); PRE_REG_READ5 (long, "msgrcv", int, msqid, struct msgbuf *, msgp, vki_size_t, msgsz, long, msgytp, int, msgflg); ML_ (linux_PRE_sys_msgrcv) (tid, ARG1, ARG2, ARG3, ARG4, ARG5); if ((ARG4 & VKI_IPC_NOWAIT) == 0) *flags |= SfMayBlock; } POST (sys_msgrcv) { ML_ (linux_POST_sys_msgrcv) (tid, RES, ARG1, ARG2, ARG3, ARG4, ARG5); } PRE (sys_msgctl) { PRINT ("sys_msgctl ( %ld, %ld, %#lx )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "msgctl", int, msqid, int, cmd, struct msqid_ds *, buf); ML_ (linux_PRE_sys_msgctl) (tid, ARG1, ARG2, ARG3); } POST (sys_msgctl) { ML_ (linux_POST_sys_msgctl) (tid, RES, ARG1, ARG2, ARG3); } PRE (sys_shmget) { PRINT ("sys_shmget ( %ld, %ld, %ld )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "shmget", vki_key_t, key, vki_size_t, size, int, shmflg); } PRE (sys_shmdt) { PRINT ("sys_shmdt ( %#lx )", ARG1); PRE_REG_READ1 (long, "shmdt", const void *, shmaddr); if (!ML_ (generic_PRE_sys_shmdt) (tid, ARG1)) SET_STATUS_Failure (VKI_EINVAL); } POST (sys_shmdt) { ML_ (generic_POST_sys_shmdt) (tid, RES, ARG1); } PRE (sys_shmctl) { PRINT ("sys_shmctl ( %ld, %ld, %#lx )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "shmctl", int, shmid, int, cmd, struct shmid_ds *, buf); ML_ (generic_PRE_sys_shmctl) (tid, ARG1, ARG2, ARG3); } POST (sys_shmctl) { ML_ (generic_POST_sys_shmctl) (tid, RES, ARG1, ARG2, ARG3); } PRE (sys_shutdown) { *flags |= SfMayBlock; PRINT ("sys_shutdown ( %ld, %ld )", ARG1, ARG2); PRE_REG_READ2 (int, "shutdown", int, s, int, how); } PRE (sys_bind) { PRINT ("sys_bind ( %ld, %#lx, %ld )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "bind", int, sockfd, struct sockaddr *, my_addr, int, addrlen); ML_ (generic_PRE_sys_bind) (tid, ARG1, ARG2, ARG3); } PRE (sys_listen) { PRINT ("sys_listen ( %ld, %ld )", ARG1, ARG2); PRE_REG_READ2 (long, "listen", int, s, int, backlog); } PRE (sys_getsockname) { PRINT ("sys_getsockname ( %ld, %#lx, %#lx )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "getsockname", int, s, struct sockaddr *, name, int *, namelen); ML_ (generic_PRE_sys_getsockname) (tid, ARG1, ARG2, ARG3); } POST (sys_getsockname) { vg_assert (SUCCESS); ML_ (generic_POST_sys_getsockname) (tid, VG_ (mk_SysRes_Success) (RES), ARG1, ARG2, ARG3); } PRE (sys_getpeername) { PRINT ("sys_getpeername ( %ld, %#lx, %#lx )", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "getpeername", int, s, struct sockaddr *, name, int *, namelen); ML_ (generic_PRE_sys_getpeername) (tid, ARG1, ARG2, ARG3); } POST (sys_getpeername) { vg_assert (SUCCESS); ML_ (generic_POST_sys_getpeername) (tid, VG_ (mk_SysRes_Success) (RES), ARG1, ARG2, ARG3); } PRE (sys_socketpair) { PRINT ("sys_socketpair ( %ld, %ld, %ld, %#lx )", ARG1, ARG2, ARG3, ARG4); PRE_REG_READ4 (long, "socketpair", int, d, int, type, int, protocol, int *, sv); ML_ (generic_PRE_sys_socketpair) (tid, ARG1, ARG2, ARG3, ARG4); } POST (sys_socketpair) { vg_assert (SUCCESS); ML_ (generic_POST_sys_socketpair) (tid, VG_ (mk_SysRes_Success) (RES), ARG1, ARG2, ARG3, ARG4); } PRE (sys_send) { *flags |= SfMayBlock; PRINT ("sys_send ( %ld, %#lx, %ld, %lu )", ARG1, ARG2, ARG3, ARG4); PRE_REG_READ4 (long, "send", int, s, const void *, msg, int, len, unsigned int, flags); ML_ (generic_PRE_sys_send) (tid, ARG1, ARG2, ARG3); } PRE (sys_recv) { *flags |= SfMayBlock; PRINT ("sys_recv ( %ld, %#lx, %ld, %lu )", ARG1, ARG2, ARG3, ARG4); PRE_REG_READ4 (long, "recv", int, s, void *, buf, int, len, unsigned int, flags); ML_ (generic_PRE_sys_recv) (tid, ARG1, ARG2, ARG3); } POST (sys_recv) { ML_ (generic_POST_sys_recv) (tid, RES, ARG1, ARG2, ARG3); } PRE (sys_mmap2) { SysRes r; // Exactly like old_mmap() except: // - all 6 args are passed in regs, rather than in a memory-block. // - the file offset is specified in pagesize units rather than bytes, // so that it can be used for files bigger than 2^32 bytes. // pagesize or 4K-size units in offset? vg_assert (VKI_PAGE_SIZE == 4096 || VKI_PAGE_SIZE == 4096 * 4 || VKI_PAGE_SIZE == 4096 * 16); PRINT ("sys_mmap2 ( %#lx, %llu, %ld, %ld, %ld, %ld )", ARG1, (ULong) ARG2, ARG3, ARG4, ARG5, ARG6); PRE_REG_READ6 (long, "mmap2", unsigned long, start, unsigned long, length, unsigned long, prot, unsigned long, flags, unsigned long, fd, unsigned long, offset); r = ML_ (generic_PRE_sys_mmap) (tid, ARG1, ARG2, ARG3, ARG4, ARG5, VKI_PAGE_SIZE * (Off64T) ARG6); SET_STATUS_from_SysRes (r); } PRE (sys_mmap) { SysRes r; //vg_assert(VKI_PAGE_SIZE == 4096); PRINT ("sys_mmap ( %#lx, %llu, %lu, %lu, %lu, %ld )", ARG1, (ULong) ARG2, ARG3, ARG4, ARG5, ARG6); PRE_REG_READ6 (long, "mmap", unsigned long, start, vki_size_t, length, int, prot, int, flags, int, fd, unsigned long, offset); r = ML_ (generic_PRE_sys_mmap) (tid, ARG1, ARG2, ARG3, ARG4, ARG5, (Off64T) ARG6); SET_STATUS_from_SysRes (r); } // XXX: lstat64/fstat64/stat64 are generic, but not necessarily // applicable to every architecture -- I think only to 32-bit archs. // We're going to need something like linux/core_os32.h for such // things, eventually, I think. --njn PRE (sys_lstat64) { PRINT ("sys_lstat64 ( %#lx(%s), %#lx )", ARG1, (char *) ARG1, ARG2); PRE_REG_READ2 (long, "lstat64", char *, file_name, struct stat64 *, buf); PRE_MEM_RASCIIZ ("lstat64(file_name)", ARG1); PRE_MEM_WRITE ("lstat64(buf)", ARG2, sizeof (struct vki_stat64)); } POST (sys_lstat64) { vg_assert (SUCCESS); if (RES == 0) { POST_MEM_WRITE (ARG2, sizeof (struct vki_stat64)); } } PRE (sys_stat64) { PRINT ("sys_stat64 ( %#lx(%s), %#lx )", ARG1, (char *) ARG1, ARG2); PRE_REG_READ2 (long, "stat64", char *, file_name, struct stat64 *, buf); PRE_MEM_RASCIIZ ("stat64(file_name)", ARG1); PRE_MEM_WRITE ("stat64(buf)", ARG2, sizeof (struct vki_stat64)); } POST (sys_stat64) { POST_MEM_WRITE (ARG2, sizeof (struct vki_stat64)); } PRE (sys_fstatat64) { PRINT ("sys_fstatat64 ( %ld, %#lx(%s), %#lx )", ARG1, ARG2, (char *) ARG2, ARG3); PRE_REG_READ3 (long, "fstatat64", int, dfd, char *, file_name, struct stat64 *, buf); PRE_MEM_RASCIIZ ("fstatat64(file_name)", ARG2); PRE_MEM_WRITE ("fstatat64(buf)", ARG3, sizeof (struct vki_stat64)); } POST (sys_fstatat64) { POST_MEM_WRITE (ARG3, sizeof (struct vki_stat64)); } PRE (sys_fstat64) { PRINT ("sys_fstat64 ( %ld, %#lx )", ARG1, ARG2); PRE_REG_READ2 (long, "fstat64", unsigned long, fd, struct stat64 *, buf); PRE_MEM_WRITE ("fstat64(buf)", ARG2, sizeof (struct vki_stat64)); } POST (sys_fstat64) { POST_MEM_WRITE (ARG2, sizeof (struct vki_stat64)); } static Addr deref_Addr (ThreadId tid, Addr a, Char * s) { Addr * a_p = (Addr *) a; PRE_MEM_READ (s, (Addr) a_p, sizeof (Addr)); return *a_p; } PRE (sys_ipc) { PRINT ("sys_ipc ( %ld, %ld, %ld, %ld, %#lx, %ld )", ARG1, ARG2, ARG3, ARG4, ARG5, ARG6); // XXX: this is simplistic -- some args are not used in all circumstances. PRE_REG_READ6 (int, "ipc", vki_uint, call, int, first, int, second, int, third, void *, ptr, long, fifth) switch (ARG1 /* call */ ) { case VKI_SEMOP: ML_ (generic_PRE_sys_semop) (tid, ARG2, ARG5, ARG3); *flags |= SfMayBlock; break; case VKI_SEMGET: break; case VKI_SEMCTL: { UWord arg = deref_Addr (tid, ARG5, "semctl(arg)"); ML_ (generic_PRE_sys_semctl) (tid, ARG2, ARG3, ARG4, arg); break; } case VKI_SEMTIMEDOP: ML_ (generic_PRE_sys_semtimedop) (tid, ARG2, ARG5, ARG3, ARG6); *flags |= SfMayBlock; break; case VKI_MSGSND: ML_ (linux_PRE_sys_msgsnd) (tid, ARG2, ARG5, ARG3, ARG4); if ((ARG4 & VKI_IPC_NOWAIT) == 0) *flags |= SfMayBlock; break; case VKI_MSGRCV: { Addr msgp; Word msgtyp; msgp = deref_Addr (tid, (Addr)(&((struct vki_ipc_kludge *)ARG5)->msgp), "msgrcv(msgp)"); msgtyp = deref_Addr (tid, (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp), "msgrcv(msgp)"); ML_ (linux_PRE_sys_msgrcv) (tid, ARG2, msgp, ARG3, msgtyp, ARG4); if ((ARG4 & VKI_IPC_NOWAIT) == 0) *flags |= SfMayBlock; break; } case VKI_MSGGET: break; case VKI_MSGCTL: ML_ (linux_PRE_sys_msgctl) (tid, ARG2, ARG3, ARG5); break; case VKI_SHMAT: { PRE_MEM_WRITE ("shmat(raddr)", ARG4, sizeof (Addr)); break; } case VKI_SHMDT: if (!ML_ (generic_PRE_sys_shmdt) (tid, ARG5)) SET_STATUS_Failure (VKI_EINVAL); break; case VKI_SHMGET: break; case VKI_SHMCTL: /* IPCOP_shmctl */ ML_ (generic_PRE_sys_shmctl) (tid, ARG2, ARG3, ARG5); break; default: VG_ (message) (Vg_DebugMsg, "FATAL: unhandled syscall(ipc) %ld\n", ARG1); VG_ (core_panic) ("... bye!\n"); break; /*NOTREACHED*/ } } POST (sys_ipc) { vg_assert (SUCCESS); switch (ARG1 /* call */ ) { case VKI_SEMOP: case VKI_SEMGET: break; case VKI_SEMCTL: { UWord arg = deref_Addr (tid, ARG5, "semctl(arg)"); ML_ (generic_PRE_sys_semctl) (tid, ARG2, ARG3, ARG4, arg); break; } case VKI_SEMTIMEDOP: case VKI_MSGSND: break; case VKI_MSGRCV: { Addr msgp; Word msgtyp; msgp = deref_Addr (tid, (Addr) (&((struct vki_ipc_kludge *) ARG5)->msgp), "msgrcv(msgp)"); msgtyp = deref_Addr (tid, (Addr) (&((struct vki_ipc_kludge *) ARG5)->msgtyp), "msgrcv(msgp)"); ML_ (linux_POST_sys_msgrcv)(tid, RES, ARG2, msgp, ARG3, msgtyp, ARG4); break; } case VKI_MSGGET: break; case VKI_MSGCTL: ML_ (linux_POST_sys_msgctl) (tid, RES, ARG2, ARG3, ARG5); break; case VKI_SHMAT: { Addr addr; /* force readability. before the syscall it is * indeed uninitialized, as can be seen in * glibc/sysdeps/unix/sysv/linux/shmat.c */ POST_MEM_WRITE (ARG4, sizeof (Addr)); addr = deref_Addr (tid, ARG4, "shmat(addr)"); ML_ (generic_POST_sys_shmat) (tid, addr, ARG2, ARG5, ARG3); break; } case VKI_SHMDT: ML_ (generic_POST_sys_shmdt) (tid, RES, ARG5); break; case VKI_SHMGET: break; case VKI_SHMCTL: ML_ (generic_POST_sys_shmctl) (tid, RES, ARG2, ARG3, ARG5); break; default: VG_ (message) (Vg_DebugMsg, "FATAL: unhandled syscall(ipc) %ld\n", ARG1); VG_ (core_panic) ("... bye!\n"); break; /*NOTREACHED*/ } } PRE (sys_clone) { Bool badarg = False; UInt cloneflags; PRINT ("sys_clone ( %lx, %#lx, %#lx, %#lx, %#lx )", ARG1, ARG2, ARG3, ARG4, ARG5); PRE_REG_READ2 (int, "clone", unsigned long, flags, void *, child_stack); if (ARG1 & VKI_CLONE_PARENT_SETTID) { if (VG_ (tdict).track_pre_reg_read) { PRA3 ("clone", int *, parent_tidptr); } PRE_MEM_WRITE ("clone(parent_tidptr)", ARG3, sizeof (Int)); if (!VG_ (am_is_valid_for_client)(ARG3, sizeof (Int), VKI_PROT_WRITE)) { badarg = True; } } if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) { if (VG_ (tdict).track_pre_reg_read) { PRA5 ("clone", int *, child_tidptr); } PRE_MEM_WRITE ("clone(child_tidptr)", ARG5, sizeof (Int)); if (!VG_ (am_is_valid_for_client)(ARG5, sizeof (Int), VKI_PROT_WRITE)) { badarg = True; } } if (badarg) { SET_STATUS_Failure (VKI_EFAULT); return; } cloneflags = ARG1; if (!ML_ (client_signal_OK) (ARG1 & VKI_CSIGNAL)) { SET_STATUS_Failure (VKI_EINVAL); return; } /* Only look at the flags we really care about */ switch (cloneflags & (VKI_CLONE_VM | VKI_CLONE_FS |VKI_CLONE_FILES | VKI_CLONE_VFORK)) { case VKI_CLONE_VM | VKI_CLONE_FS | VKI_CLONE_FILES: /* thread creation */ PRINT ("sys_clone1 ( %#lx, %#lx, %#lx, %#lx, %#lx )", ARG1, ARG2, ARG3, ARG4, ARG5); SET_STATUS_from_SysRes (do_clone (tid, ARG1, /* flags */ (Addr) ARG2, /* child SP */ (Int *) ARG3, /* parent_tidptr */ (Int *) ARG5, /* child_tidptr */ (Addr) ARG4)); /* child_tls */ break; case VKI_CLONE_VFORK | VKI_CLONE_VM: /* vfork */ /* FALLTHROUGH - assume vfork == fork */ cloneflags &= ~(VKI_CLONE_VFORK | VKI_CLONE_VM); case 0: /* plain fork */ SET_STATUS_from_SysRes (ML_ (do_fork_clone) (tid, cloneflags, /* flags */ (Int *) ARG3, /* parent_tidptr */ (Int *) ARG5)); /* child_tidptr */ break; default: /* should we just ENOSYS? */ VG_ (message) (Vg_UserMsg, "Unsupported clone() flags: 0x%lx\n", ARG1); VG_ (message) (Vg_UserMsg, "\n"); VG_ (message) (Vg_UserMsg, "The only supported clone() uses are:\n"); VG_ (message) (Vg_UserMsg, " - via a threads library (LinuxThreads or NPTL)\n"); VG_ (message) (Vg_UserMsg, " - via the implementation of fork or vfork\n"); VG_ (unimplemented)("Valgrind does not support general clone()."); } if (SUCCESS) { if (ARG1 & VKI_CLONE_PARENT_SETTID) POST_MEM_WRITE (ARG3, sizeof (Int)); if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) POST_MEM_WRITE (ARG5, sizeof (Int)); /* Thread creation was successful; let the child have the chance * to run */ *flags |= SfYieldAfter; } } PRE (sys_sigreturn) { ThreadState * tst; PRINT ("sys_sigreturn ( )"); vg_assert (VG_ (is_valid_tid) (tid)); vg_assert (tid >= 1 && tid < VG_N_THREADS); vg_assert (VG_ (is_running_thread) (tid)); tst = VG_ (get_ThreadState) (tid); VG_ (sigframe_destroy) (tid, False); /* Tell the driver not to update the guest state with the "result", and set a bogus result to keep it happy. */ *flags |= SfNoWriteResult; SET_STATUS_Success (0); /* Check to see if any signals arose as a result of this. */ *flags |= SfPollAfter; } PRE (sys_rt_sigreturn) { PRINT ("rt_sigreturn ( )"); vg_assert (VG_ (is_valid_tid) (tid)); vg_assert (tid >= 1 && tid < VG_N_THREADS); vg_assert (VG_ (is_running_thread) (tid)); /* Restore register state from frame and remove it */ VG_ (sigframe_destroy) (tid, True); /* Tell the driver not to update the guest state with the "result", and set a bogus result to keep it happy. */ *flags |= SfNoWriteResult; SET_STATUS_Success (0); /* Check to see if any signals arose as a result of this. */ *flags |= SfPollAfter; } PRE (sys_set_thread_area) { PRINT ("set_thread_area (%lx)", ARG1); PRE_REG_READ1(long, "set_thread_area", unsigned long, addr); SET_STATUS_from_SysRes( sys_set_tls( tid, ARG1 ) ); } /* Very much MIPS specific */ PRE (sys_cacheflush) { PRINT ("cacheflush (%lx, %#lx, %#lx)", ARG1, ARG2, ARG3); PRE_REG_READ3 (long, "cacheflush", void *, addrlow, void *, addrhigh, int, flags); VG_ (discard_translations) ((Addr64) ARG1, ((ULong) ARG2) - ((ULong) ARG1) + 1ULL /*paranoia */ , "PRE(sys_cacheflush)"); SET_STATUS_Success (0); } PRE(sys_pipe) { PRINT("sys_pipe ( %#lx )", ARG1); PRE_REG_READ1(int, "pipe", int *, filedes); PRE_MEM_WRITE( "pipe(filedes)", ARG1, 2*sizeof(int) ); } POST(sys_pipe) { Int p0, p1; vg_assert(SUCCESS); p0 = RES; p1 = sr_ResEx(status->sres); if (!ML_(fd_allowed)(p0, "pipe", tid, True) || !ML_(fd_allowed)(p1, "pipe", tid, True)) { VG_(close)(p0); VG_(close)(p1); SET_STATUS_Failure( VKI_EMFILE ); } else { if (VG_(clo_track_fds)) { ML_(record_fd_open_nameless)(tid, p0); ML_(record_fd_open_nameless)(tid, p1); } } } #undef PRE #undef POST /* --------------------------------------------------------------------- The mips/Linux syscall table ------------------------------------------------------------------ */ #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(mips_linux, sysno, name) #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(mips_linux, sysno, name) // This table maps from __NR_xxx syscall numbers (from // linux/include/asm-mips/unistd.h) to the appropriate PRE/POST sys_foo() // wrappers on mips (as per sys_call_table in linux/arch/mips/kernel/entry.S). // // For those syscalls not handled by Valgrind, the annotation indicate its // arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/? // (unknown). static SyscallTableEntry syscall_main_table[] = { //PLAXY (__NR_syscall, sys_syscall), // 0 GENX_ (__NR_exit, sys_exit), // 1 GENX_ (__NR_fork, sys_fork), // 2 GENXY (__NR_read, sys_read), // 3 GENX_ (__NR_write, sys_write), // 4 GENXY (__NR_open, sys_open), // 5 GENXY (__NR_close, sys_close), // 6 GENXY (__NR_waitpid, sys_waitpid), // 7 GENXY (__NR_creat, sys_creat), // 8 GENX_ (__NR_link, sys_link), // 9 GENX_ (__NR_unlink, sys_unlink), // 10 GENX_ (__NR_execve, sys_execve), // 11 GENX_ (__NR_chdir, sys_chdir), // 12 GENXY (__NR_time, sys_time), // 13 GENX_ (__NR_mknod, sys_mknod), // 14 GENX_ (__NR_chmod, sys_chmod), // 15 GENX_ (__NR_lchown, sys_lchown), // 16 LINX_ (__NR_lseek, sys_lseek), // 19 GENX_ (__NR_getpid, sys_getpid), // 20 LINX_ (__NR_mount, sys_mount), // 21 LINX_ (__NR_umount, sys_oldumount), // 22 GENX_ (__NR_setuid, sys_setuid), // 23 ## P GENX_ (__NR_getuid, sys_getuid), // 24 ## P //.. // (__NR_stime, sys_stime), //.. PLAXY(__NR_ptrace, sys_ptrace), // 26 GENX_ (__NR_alarm, sys_alarm), // 27 //.. // (__NR_oldfstat, sys_fstat), GENX_ (__NR_pause, sys_pause), // 29 LINX_ (__NR_utime, sys_utime), // 30 //.. GENX_(__NR_stty, sys_ni_syscall), // 31 //.. GENX_(__NR_gtty, sys_ni_syscall), // 32 GENX_ (__NR_access, sys_access), // 33 //.. GENX_(__NR_nice, sys_nice), // 34 //.. GENX_(__NR_ftime, sys_ni_syscall), // 35 //.. GENX_(__NR_sync, sys_sync), // 36 GENX_ (__NR_kill, sys_kill), // 37 GENX_ (__NR_rename, sys_rename), // 38 GENX_ (__NR_mkdir, sys_mkdir), // 39 GENX_ (__NR_rmdir, sys_rmdir), // 40 GENXY (__NR_dup, sys_dup), // 41 PLAXY (__NR_pipe, sys_pipe), // 42 GENXY (__NR_times, sys_times), // 43 //.. GENX_(__NR_prof, sys_ni_syscall), // 44 //.. GENX_ (__NR_brk, sys_brk), // 45 GENX_ (__NR_setgid, sys_setgid), // 46 GENX_ (__NR_getgid, sys_getgid), // 47 //.. // (__NR_signal, sys_signal), // 48 */* (ANSI C) GENX_ (__NR_geteuid, sys_geteuid), // 49 GENX_ (__NR_getegid, sys_getegid), // 50 //.. GENX_(__NR_acct, sys_acct), // 51 LINX_ (__NR_umount2, sys_umount), // 52 //.. GENX_(__NR_lock, sys_ni_syscall), // 53 LINXY (__NR_ioctl, sys_ioctl), // 54 LINXY (__NR_fcntl, sys_fcntl), // 55 //.. GENX_(__NR_mpx, sys_ni_syscall), // 56 GENX_ (__NR_setpgid, sys_setpgid), // 57 //.. GENX_(__NR_ulimit, sys_ni_syscall), // 58 //.. // (__NR_oldolduname, sys_olduname), // 59 GENX_ (__NR_umask, sys_umask), // 60 GENX_ (__NR_chroot, sys_chroot), // 61 //.. // (__NR_ustat, sys_ustat) // 62 SVr4 -- deprecated GENXY (__NR_dup2, sys_dup2), // 63 GENX_ (__NR_getppid, sys_getppid), // 64 GENX_ (__NR_getpgrp, sys_getpgrp), // 65 GENX_ (__NR_setsid, sys_setsid), // 66 // PLAXY(__NR_sigaction, sys_sigaction), // 67 //.. // (__NR_sgetmask, sys_sgetmask), // 68 */* (ANSI C) //.. // (__NR_ssetmask, sys_ssetmask), // 69 */* (ANSI C) //.. GENX_ (__NR_setreuid, sys_setreuid), // 70 GENX_ (__NR_setregid, sys_setregid), // 71 // PLAX_(__NR_sigsuspend, sys_sigsuspend), // 72 LINXY (__NR_sigpending, sys_sigpending), // 73 //.. // (__NR_sethostname, sys_sethostname), // 74 */* //.. GENX_ (__NR_setrlimit, sys_setrlimit), // 75 //.. GENXY(__NR_getrlimit, sys_old_getrlimit), // 76 GENXY (__NR_getrusage, sys_getrusage), // 77 GENXY (__NR_gettimeofday, sys_gettimeofday), // 78 //.. GENX_(__NR_settimeofday, sys_settimeofday), // 79 //.. GENXY (__NR_getgroups, sys_getgroups), // 80 GENX_ (__NR_setgroups, sys_setgroups), // 81 //.. PLAX_(__NR_select, old_select), // 82 GENX_ (__NR_symlink, sys_symlink), // 83 //.. // (__NR_oldlstat, sys_lstat), // 84 -- obsolete //.. GENX_ (__NR_readlink, sys_readlink), // 85 //.. // (__NR_uselib, sys_uselib), // 86 */Linux //.. // (__NR_swapon, sys_swapon), // 87 */Linux //.. // (__NR_reboot, sys_reboot), // 88 */Linux //.. // (__NR_readdir, old_readdir), // 89 -- superseded PLAX_ (__NR_mmap, sys_mmap), // 90 GENXY (__NR_munmap, sys_munmap), // 91 GENX_ (__NR_truncate, sys_truncate), // 92 GENX_ (__NR_ftruncate, sys_ftruncate), // 93 GENX_ (__NR_fchmod, sys_fchmod), // 94 GENX_ (__NR_fchown, sys_fchown), // 95 GENX_ (__NR_getpriority, sys_getpriority), // 96 GENX_ (__NR_setpriority, sys_setpriority), // 97 //.. GENX_(__NR_profil, sys_ni_syscall), // 98 GENXY (__NR_statfs, sys_statfs), // 99 //.. GENXY (__NR_fstatfs, sys_fstatfs), // 100 //.. LINX_(__NR_ioperm, sys_ioperm), // 101 PLAXY (__NR_socketcall, sys_socketcall), // 102 LINXY (__NR_syslog, sys_syslog), // 103 GENXY (__NR_setitimer, sys_setitimer), // 104 //.. //.. GENXY(__NR_getitimer, sys_getitimer), // 105 GENXY (__NR_stat, sys_newstat), // 106 GENXY (__NR_lstat, sys_newlstat), // 107 GENXY (__NR_fstat, sys_newfstat), // 108 //.. // (__NR_olduname, sys_uname), // 109 -- obsolete //.. //.. GENX_(__NR_iopl, sys_iopl), // 110 //.. LINX_(__NR_vhangup, sys_vhangup), // 111 //.. GENX_(__NR_idle, sys_ni_syscall), // 112 //.. // (__NR_vm86old, sys_vm86old), // 113 x86/Linux-only GENXY (__NR_wait4, sys_wait4), // 114 //.. //.. // (__NR_swapoff, sys_swapoff), // 115 */Linux LINXY (__NR_sysinfo, sys_sysinfo), // 116 PLAXY (__NR_ipc, sys_ipc), // 117 GENX_ (__NR_fsync, sys_fsync), // 118 PLAX_ (__NR_sigreturn, sys_sigreturn), // 119 ?/Linux //.. PLAX_ (__NR_clone, sys_clone), // 120 //.. // (__NR_setdomainname, sys_setdomainname), // 121 */*(?) GENXY (__NR_uname, sys_newuname), // 122 //.. PLAX_(__NR_modify_ldt, sys_modify_ldt), // 123 //.. LINXY(__NR_adjtimex, sys_adjtimex), // 124 //.. GENXY (__NR_mprotect, sys_mprotect), // 125 LINXY (__NR_sigprocmask, sys_sigprocmask), // 126 //.. // Nb: create_module() was removed 2.4-->2.6 //.. GENX_(__NR_create_module, sys_ni_syscall), // 127 //.. GENX_(__NR_init_module, sys_init_module), // 128 //.. // (__NR_delete_module, sys_delete_module), // 129 (*/Linux)? //.. //.. // Nb: get_kernel_syms() was removed 2.4-->2.6 //.. GENX_(__NR_get_kernel_syms, sys_ni_syscall), // 130 //.. LINX_(__NR_quotactl, sys_quotactl), // 131 GENX_ (__NR_getpgid, sys_getpgid), // 132 GENX_ (__NR_fchdir, sys_fchdir), // 133 //.. // (__NR_bdflush, sys_bdflush), // 134 */Linux //.. //.. // (__NR_sysfs, sys_sysfs), // 135 SVr4 LINX_ (__NR_personality, sys_personality), // 136 //.. GENX_(__NR_afs_syscall, sys_ni_syscall), // 137 LINX_ (__NR_setfsuid, sys_setfsuid), // 138 LINX_ (__NR_setfsgid, sys_setfsgid), // 139 LINXY (__NR__llseek, sys_llseek), // 140 GENXY (__NR_getdents, sys_getdents), // 141 GENX_ (__NR__newselect, sys_select), // 142 GENX_ (__NR_flock, sys_flock), // 143 GENX_ (__NR_msync, sys_msync), // 144 //.. GENXY (__NR_readv, sys_readv), // 145 GENX_ (__NR_writev, sys_writev), // 146 PLAX_ (__NR_cacheflush, sys_cacheflush), // 147 GENX_ (__NR_getsid, sys_getsid), // 151 GENX_ (__NR_fdatasync, sys_fdatasync), // 152 LINXY (__NR__sysctl, sys_sysctl), // 153 //.. GENX_ (__NR_mlock, sys_mlock), // 154 GENX_ (__NR_munlock, sys_munlock), // 155 GENX_ (__NR_mlockall, sys_mlockall), // 156 LINX_ (__NR_munlockall, sys_munlockall), // 157 //.. LINXY(__NR_sched_setparam, sys_sched_setparam), // 158 //.. LINXY (__NR_sched_getparam, sys_sched_getparam), // 159 LINX_ (__NR_sched_setscheduler, sys_sched_setscheduler), // 160 LINX_ (__NR_sched_getscheduler, sys_sched_getscheduler), // 161 LINX_ (__NR_sched_yield, sys_sched_yield), // 162 LINX_ (__NR_sched_get_priority_max, sys_sched_get_priority_max), // 163 LINX_ (__NR_sched_get_priority_min, sys_sched_get_priority_min), // 164 //.. //LINX?(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 165 */* GENXY (__NR_nanosleep, sys_nanosleep), // 166 GENX_ (__NR_mremap, sys_mremap), // 167 PLAXY (__NR_accept, sys_accept), // 168 PLAX_ (__NR_bind, sys_bind), // 169 PLAX_ (__NR_connect, sys_connect), // 170 PLAXY (__NR_getpeername, sys_getpeername), // 171 PLAXY (__NR_getsockname, sys_getsockname), // 172 PLAXY (__NR_getsockopt, sys_getsockopt), // 173 PLAX_ (__NR_listen, sys_listen), // 174 PLAXY (__NR_recv, sys_recv), // 175 PLAXY (__NR_recvfrom, sys_recvfrom), // 176 PLAXY (__NR_recvmsg, sys_recvmsg), // 177 PLAX_ (__NR_send, sys_send), // 178 PLAX_ (__NR_sendmsg, sys_sendmsg), // 179 PLAX_ (__NR_sendto, sys_sendto), // 180 PLAX_ (__NR_setsockopt, sys_setsockopt), // 181 PLAXY (__NR_socket, sys_socket), // 183 PLAXY (__NR_socketpair, sys_socketpair), // 184 LINX_ (__NR_setresuid, sys_setresuid), // 185 LINXY (__NR_getresuid, sys_getresuid), // 186 //.. GENX_(__NR_query_module, sys_ni_syscall), // GENXY (__NR_poll, sys_poll), // 188 //.. // (__NR_nfsservctl, sys_nfsservctl), // 168 */Linux //.. LINX_ (__NR_setresgid, sys_setresgid), // 190 LINXY (__NR_getresgid, sys_getresgid), // 191 LINXY (__NR_prctl, sys_prctl), // 192 PLAX_ (__NR_rt_sigreturn, sys_rt_sigreturn), // 193 LINXY (__NR_rt_sigaction, sys_rt_sigaction), // 194 LINXY (__NR_rt_sigprocmask, sys_rt_sigprocmask), // 195 LINXY (__NR_rt_sigpending, sys_rt_sigpending), // 196 LINXY (__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 197 LINXY (__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 198 LINX_ (__NR_rt_sigsuspend, sys_rt_sigsuspend), // 199 GENXY (__NR_pread64, sys_pread64), // 200 GENX_ (__NR_pwrite64, sys_pwrite64), // 201 GENX_ (__NR_chown, sys_chown), // 202 GENXY (__NR_getcwd, sys_getcwd), // 203 LINXY (__NR_capget, sys_capget), // 204 //.. //.. LINX_(__NR_capset, sys_capset), // 205 GENXY (__NR_sigaltstack, sys_sigaltstack), // 206 LINXY (__NR_sendfile, sys_sendfile), // 207 //.. GENXY(__NR_getpmsg, sys_getpmsg), // 208 //.. GENX_(__NR_putpmsg, sys_putpmsg), // 209 // Nb: we treat vfork as fork // GENX_(__NR_vfork, sys_fork), // GENXY (__NR_getrlimit, sys_getrlimit), // 76 //__NR_readahead // 191 ppc/Linux only? PLAX_ (__NR_mmap2, sys_mmap2), // 210 // GENX_(__NR_truncate64, sys_truncate64), // 211 GENX_ (__NR_ftruncate64, sys_ftruncate64), // 212 //.. PLAXY (__NR_stat64, sys_stat64), // 213 PLAXY (__NR_lstat64, sys_lstat64), // 214 PLAXY (__NR_fstat64, sys_fstat64), // 215 GENXY (__NR_getdents64, sys_getdents64), // 219 //.. // (__NR_pivot_root, sys_pivot_root), // LINXY (__NR_fcntl64, sys_fcntl64), // 220 GENX_ (__NR_madvise, sys_madvise), // 218 GENXY (__NR_mincore, sys_mincore), // 217 LINX_ (__NR_gettid, sys_gettid), // 222 //.. LINX_(__NR_tkill, sys_tkill), // 208 */Linux //.. LINX_(__NR_setxattr, sys_setxattr), // 209 //.. LINX_(__NR_lsetxattr, sys_lsetxattr), // 210 //.. LINX_(__NR_fsetxattr, sys_fsetxattr), // 211 LINXY (__NR_getxattr, sys_getxattr), // 227 LINXY (__NR_lgetxattr, sys_lgetxattr), // 228 LINXY (__NR_fgetxattr, sys_fgetxattr), // 229 LINXY (__NR_listxattr, sys_listxattr), // 230 LINXY (__NR_llistxattr, sys_llistxattr), // 231 LINXY (__NR_flistxattr, sys_flistxattr), // 232 LINX_ (__NR_removexattr, sys_removexattr), // 233 LINX_ (__NR_lremovexattr, sys_lremovexattr), // 234 LINX_ (__NR_fremovexattr, sys_fremovexattr), // 235 LINXY (__NR_futex, sys_futex), // 238 LINX_ (__NR_sched_setaffinity, sys_sched_setaffinity), // 239 LINXY (__NR_sched_getaffinity, sys_sched_getaffinity), // 240 /* 224 currently unused */ // __NR_tuxcall // LINXY (__NR_sendfile64, sys_sendfile64), // 237 //.. LINX_ (__NR_io_setup, sys_io_setup), // 241 LINX_ (__NR_io_destroy, sys_io_destroy), // 242 LINXY (__NR_io_getevents, sys_io_getevents), // 243 LINX_ (__NR_io_submit, sys_io_submit), // 244 LINXY (__NR_io_cancel, sys_io_cancel), // 245 //.. LINX_ (__NR_set_tid_address, sys_set_tid_address), // 252 LINX_ (__NR_fadvise64, sys_fadvise64), // 254 LINX_ (__NR_exit_group, sys_exit_group), // 246 //.. GENXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 247 LINXY (__NR_epoll_create, sys_epoll_create), // 248 LINX_ (__NR_epoll_ctl, sys_epoll_ctl), // 249 LINXY (__NR_epoll_wait, sys_epoll_wait), // 250 //.. // (__NR_remap_file_pages, sys_remap_file_pages), // 239 */Linux LINXY (__NR_timer_create, sys_timer_create), // 257 LINXY (__NR_timer_settime, sys_timer_settime), // 258 LINXY (__NR_timer_gettime, sys_timer_gettime), // 259 LINX_ (__NR_timer_getoverrun, sys_timer_getoverrun), // 260 LINX_ (__NR_timer_delete, sys_timer_delete), // 261 LINX_ (__NR_clock_settime, sys_clock_settime), // 262 LINXY (__NR_clock_gettime, sys_clock_gettime), // 263 LINXY (__NR_clock_getres, sys_clock_getres), // 264 LINXY (__NR_clock_nanosleep, sys_clock_nanosleep), // 265 // __NR_swapcontext // LINXY (__NR_tgkill, sys_tgkill), // 266 */Linux //.. GENX_(__NR_utimes, sys_utimes), // 267 GENXY (__NR_statfs64, sys_statfs64), // 255 GENXY (__NR_fstatfs64, sys_fstatfs64), // 256 LINXY (__NR_get_mempolicy, sys_get_mempolicy), // 269 LINX_ (__NR_set_mempolicy, sys_set_mempolicy), // 270 LINXY (__NR_mq_open, sys_mq_open), // 271 LINX_ (__NR_mq_unlink, sys_mq_unlink), // 272 LINX_ (__NR_mq_timedsend, sys_mq_timedsend), // 273 LINXY (__NR_mq_timedreceive, sys_mq_timedreceive), // 274 LINX_ (__NR_mq_notify, sys_mq_notify), // 275 LINXY (__NR_mq_getsetattr, sys_mq_getsetattr), // 276 // __NR_kexec_load // LINX_ (__NR_inotify_init, sys_inotify_init), // 275 LINX_ (__NR_inotify_add_watch, sys_inotify_add_watch), // 276 LINX_ (__NR_inotify_rm_watch, sys_inotify_rm_watch), // 277 PLAX_ (__NR_set_thread_area, sys_set_thread_area), // 283 LINXY (__NR_openat, sys_openat), // 288 LINX_ (__NR_mkdirat, sys_mkdirat), // 289 LINX_ (__NR_mknodat, sys_mknodat), // 290 LINX_ (__NR_fchownat, sys_fchownat), // 291 LINX_ (__NR_futimesat, sys_futimesat), // 292 PLAXY (__NR_fstatat64, sys_fstatat64), // 293 LINX_ (__NR_unlinkat, sys_unlinkat), // 294 LINX_ (__NR_renameat, sys_renameat), // 295 LINX_ (__NR_linkat, sys_linkat), // 296 LINX_ (__NR_symlinkat, sys_symlinkat), // 297 LINX_ (__NR_readlinkat, sys_readlinkat), // 298 LINX_ (__NR_fchmodat, sys_fchmodat), // 299 LINX_ (__NR_faccessat, sys_faccessat), // 300 LINXY (__NR_ppoll, sys_ppoll), // 302 LINX_ (__NR_set_robust_list, sys_set_robust_list), // 309 LINXY (__NR_get_robust_list, sys_get_robust_list), // 310 LINXY (__NR_epoll_pwait, sys_epoll_pwait), // 313 LINX_ (__NR_utimensat, sys_utimensat), // 316 LINX_ (__NR_fallocate, sys_fallocate), // 320 LINXY (__NR_timerfd_create, sys_timerfd_create), // 321 LINXY (__NR_timerfd_gettime, sys_timerfd_gettime), // 322 LINXY (__NR_timerfd_settime, sys_timerfd_settime), // 323 LINXY (__NR_signalfd4, sys_signalfd4), // 324 LINX_ (__NR_eventfd2, sys_eventfd2), // 325 LINXY (__NR_pipe2, sys_pipe2), // 328 LINXY (__NR_inotify_init1, sys_inotify_init1), // 329 LINXY (__NR_prlimit64, sys_prlimit64) // 338 }; SyscallTableEntry* ML_(get_linux_syscall_entry) (UInt sysno) { const UInt syscall_main_table_size = sizeof (syscall_main_table) / sizeof (syscall_main_table[0]); /* Is it in the contiguous initial section of the table? */ if (sysno < syscall_main_table_size) { SyscallTableEntry * sys = &syscall_main_table[sysno]; if (sys->before == NULL) return NULL; /* no entry */ else return sys; } /* Can't find a wrapper */ return NULL; } #endif // defined(VGP_mips32_linux) /*--------------------------------------------------------------------*/ /*--- end syswrap-mips-linux.c ---*/ /*--------------------------------------------------------------------*/