| |
| /*--------------------------------------------------------------------*/ |
| /*--- Platform-specific syscalls stuff. syscalls-amd64-linux.c ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2005 Nicholas Nethercote |
| njn@valgrind.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. |
| */ |
| |
| #include "core.h" |
| #include "ume.h" /* for jmp_with_stack */ |
| #include "pub_core_debuglog.h" |
| #include "pub_core_aspacemgr.h" |
| #include "pub_core_options.h" |
| #include "pub_core_libcbase.h" |
| #include "pub_core_libcassert.h" |
| #include "pub_core_libcmman.h" |
| #include "pub_core_libcprint.h" |
| #include "pub_core_libcsignal.h" |
| #include "pub_core_sigframe.h" |
| #include "pub_core_signals.h" |
| #include "pub_core_syscalls.h" |
| #include "pub_core_tooliface.h" |
| |
| #include "priv_types_n_macros.h" |
| #include "priv_syscalls-generic.h" /* for decls of generic wrappers */ |
| #include "priv_syscalls-linux.h" /* for decls of linux-ish wrappers */ |
| #include "priv_syscalls-main.h" |
| |
| #include "vki_unistd.h" /* for the __NR_* constants */ |
| |
| |
| /* --------------------------------------------------------------------- |
| Stacks, thread wrappers |
| Note. Why is this stuff here? |
| ------------------------------------------------------------------ */ |
| |
| /* |
| Allocate a stack for this thread. |
| |
| They're allocated lazily, but never freed. |
| */ |
| #define FILL 0xdeadbeefcabafeed |
| |
| // Valgrind's stack size, in words. |
| #define STACK_SIZE_W 16384 |
| |
| static UWord* allocstack(ThreadId tid) |
| { |
| ThreadState *tst = VG_(get_ThreadState)(tid); |
| UWord* rsp; |
| |
| if (tst->os_state.valgrind_stack_base == 0) { |
| void *stk = VG_(mmap)(0, STACK_SIZE_W * sizeof(UWord) + VKI_PAGE_SIZE, |
| VKI_PROT_READ|VKI_PROT_WRITE, |
| VKI_MAP_PRIVATE|VKI_MAP_ANONYMOUS, |
| SF_VALGRIND, |
| -1, 0); |
| |
| if (stk != (void *)-1) { |
| VG_(mprotect)(stk, VKI_PAGE_SIZE, VKI_PROT_NONE); /* guard page */ |
| tst->os_state.valgrind_stack_base = ((Addr)stk) + VKI_PAGE_SIZE; |
| tst->os_state.valgrind_stack_szB = STACK_SIZE_W * sizeof(UWord); |
| } else |
| return (UWord*)-1; |
| } |
| |
| for (rsp = (UWord*) tst->os_state.valgrind_stack_base; |
| rsp < (UWord*)(tst->os_state.valgrind_stack_base + |
| tst->os_state.valgrind_stack_szB); |
| rsp++) |
| *rsp = FILL; |
| /* rsp is left at top of stack */ |
| |
| if (0) |
| VG_(printf)("stack for tid %d at %p (%llx); rsp=%p\n", |
| tid, tst->os_state.valgrind_stack_base, |
| *(UWord*)(tst->os_state.valgrind_stack_base), rsp); |
| |
| return rsp; |
| } |
| |
| /* NB: this is identical the the x86 version. */ |
| /* Return how many bytes of this stack have not been used */ |
| SSizeT VGA_(stack_unused)(ThreadId tid) |
| { |
| ThreadState *tst = VG_(get_ThreadState)(tid); |
| UWord* p; |
| |
| for (p = (UWord*)tst->os_state.valgrind_stack_base; |
| p && (p < (UWord*)(tst->os_state.valgrind_stack_base + |
| tst->os_state.valgrind_stack_szB)); |
| p++) |
| if (*p != FILL) |
| break; |
| |
| if (0) |
| VG_(printf)("p=%p %llx tst->os_state.valgrind_stack_base=%p\n", |
| p, *p, tst->os_state.valgrind_stack_base); |
| |
| return ((Addr)p) - tst->os_state.valgrind_stack_base; |
| } |
| |
| |
| /* Run a thread all the way to the end, then do appropriate exit actions |
| (this is the last-one-out-turn-off-the-lights bit). |
| */ |
| static void run_a_thread_NORETURN ( Word tidW ) |
| { |
| ThreadId tid = (ThreadId)tidW; |
| |
| VG_(debugLog)(1, "syscalls-amd64-linux", |
| "run_a_thread_NORETURN(tid=%lld): " |
| "VGO_(thread_wrapper) called\n", |
| (ULong)tidW); |
| |
| /* Run the thread all the way through. */ |
| VgSchedReturnCode src = VGO_(thread_wrapper)(tid); |
| |
| VG_(debugLog)(1, "syscalls-amd64-linux", |
| "run_a_thread_NORETURN(tid=%lld): " |
| "VGO_(thread_wrapper) done\n", |
| (ULong)tidW); |
| |
| Int c = VG_(count_living_threads)(); |
| vg_assert(c >= 1); /* stay sane */ |
| |
| if (c == 1) { |
| |
| VG_(debugLog)(1, "syscalls-amd64-linux", |
| "run_a_thread_NORETURN(tid=%lld): " |
| "last one standing\n", |
| (ULong)tidW); |
| |
| /* We are the last one standing. Keep hold of the lock and |
| carry on to show final tool results, then exit the entire system. */ |
| VG_(shutdown_actions_NORETURN)(tid, src); |
| |
| } else { |
| |
| VG_(debugLog)(1, "syscalls-amd64-linux", |
| "run_a_thread_NORETURN(tid=%lld): " |
| "not last one standing\n", |
| (ULong)tidW); |
| |
| /* OK, thread is dead, but others still exist. Just exit. */ |
| ThreadState *tst = VG_(get_ThreadState)(tid); |
| |
| /* This releases the run lock */ |
| VG_(exit_thread)(tid); |
| vg_assert(tst->status == VgTs_Zombie); |
| |
| /* We have to use this sequence to terminate the thread to |
| prevent a subtle race. If VG_(exit_thread)() had left the |
| ThreadState as Empty, then it could have been reallocated, |
| reusing the stack while we're doing these last cleanups. |
| Instead, VG_(exit_thread) leaves it as Zombie to prevent |
| reallocation. We need to make sure we don't touch the stack |
| between marking it Empty and exiting. Hence the |
| assembler. */ |
| asm volatile ( |
| "movl %1, %0\n" /* set tst->status = VgTs_Empty */ |
| "movq %2, %%rax\n" /* set %rax = __NR_exit */ |
| "movq %3, %%rdi\n" /* set %rdi = tst->os_state.exitcode */ |
| "syscall\n" /* exit(tst->os_state.exitcode) */ |
| : "=m" (tst->status) |
| : "n" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode)); |
| |
| VG_(core_panic)("Thread exit failed?\n"); |
| } |
| |
| /*NOTREACHED*/ |
| vg_assert(0); |
| } |
| |
| |
| /* |
| Allocate a stack for the main thread, and run it all the way to the |
| end. |
| */ |
| void VGP_(main_thread_wrapper_NORETURN)(ThreadId tid) |
| { |
| VG_(debugLog)(1, "syscalls-amd64-linux", |
| "entering VGP_(main_thread_wrapper_NORETURN)\n"); |
| |
| UWord* rsp = allocstack(tid); |
| |
| /* shouldn't be any other threads around yet */ |
| vg_assert( VG_(count_living_threads)() == 1 ); |
| |
| call_on_new_stack_0_1( |
| (Addr)rsp, /* stack */ |
| 0, /*bogus return address*/ |
| run_a_thread_NORETURN, /* fn to call */ |
| (Word)tid /* arg to give it */ |
| ); |
| |
| /*NOTREACHED*/ |
| vg_assert(0); |
| } |
| |
| |
| static Long start_thread_NORETURN ( void* arg ) |
| { |
| ThreadState* tst = (ThreadState*)arg; |
| ThreadId tid = tst->tid; |
| |
| run_a_thread_NORETURN ( (Word)tid ); |
| /*NOTREACHED*/ |
| vg_assert(0); |
| } |
| |
| |
| /* --------------------------------------------------------------------- |
| clone() handling |
| ------------------------------------------------------------------ */ |
| |
| /* |
| 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 %rdi |
| void* child_stack in %rsi |
| int flags in %rdx |
| void* arg in %rcx |
| pid_t* child_tid in %r8 |
| pid_t* parent_tid in %r9 |
| void* tls_ptr at 8(%rsp) |
| |
| System call requires: |
| |
| int $__NR_clone in %rax |
| int flags in %rdi |
| void* child_stack in %rsi |
| pid_t* parent_tid in %rdx |
| pid_t* child_tid in %r10 |
| void* tls_ptr in %r8 |
| |
| Returns a Long encoded in the linux-amd64 way, not a SysRes. |
| */ |
| #define STRINGIFZ(__str) #__str |
| #define STRINGIFY(__str) STRINGIFZ(__str) |
| #define __NR_CLONE STRINGIFY(__NR_clone) |
| #define __NR_EXIT STRINGIFY(__NR_exit) |
| |
| extern |
| Long do_syscall_clone_amd64_linux ( Long (*fn)(void *), |
| void* stack, |
| Long flags, |
| void* arg, |
| Long* child_tid, |
| Long* parent_tid, |
| vki_modify_ldt_t * ); |
| asm( |
| "\n" |
| "do_syscall_clone_amd64_linux:\n" |
| // set up child stack, temporarily preserving fn and arg |
| " subq $16, %rsi\n" // make space on stack |
| " movq %rcx, 8(%rsi)\n" // save arg |
| " movq %rdi, 0(%rsi)\n" // save fn |
| |
| // setup syscall |
| " movq $"__NR_CLONE", %rax\n" // syscall number |
| " movq %rdx, %rdi\n" // syscall arg1: flags |
| // %rsi already setup // syscall arg2: child_stack |
| " movq %r9, %rdx\n" // syscall arg3: parent_tid |
| " movq %r8, %r10\n" // syscall arg4: child_tid |
| " movq 8(%rsp), %r8\n" // syscall arg5: tls_ptr |
| |
| " syscall\n" // clone() |
| |
| " testq %rax, %rax\n" // child if retval == 0 |
| " jnz 1f\n" |
| |
| // CHILD - call thread function |
| " pop %rax\n" // pop fn |
| " pop %rdi\n" // pop fn arg1: arg |
| " call *%rax\n" // call fn |
| |
| // exit with result |
| " movq %rax, %rdi\n" // arg1: return value from fn |
| " movq $"__NR_EXIT", %rax\n" |
| |
| " syscall\n" |
| |
| // Exit returned?! |
| " ud2\n" |
| |
| "1:\n" // PARENT or ERROR |
| " ret\n" |
| ); |
| |
| #undef __NR_CLONE |
| #undef __NR_EXIT |
| #undef STRINGIFY |
| #undef STRINGIFZ |
| |
| |
| // forward declaration |
| static void setup_child ( ThreadArchState*, ThreadArchState* ); |
| |
| /* |
| 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 EIP, and a separate stack |
| for ESP. |
| */ |
| static SysRes do_clone ( ThreadId ptid, |
| ULong flags, Addr rsp, |
| Long* parent_tidptr, |
| Long* child_tidptr, |
| Addr tlsaddr ) |
| { |
| static const Bool debug = False; |
| |
| ThreadId ctid = VG_(alloc_ThreadState)(); |
| ThreadState* ptst = VG_(get_ThreadState)(ptid); |
| ThreadState* ctst = VG_(get_ThreadState)(ctid); |
| UWord* stack; |
| Segment* seg; |
| SysRes res; |
| Long rax; |
| vki_sigset_t blockall, savedmask; |
| |
| VG_(sigfillset)(&blockall); |
| |
| vg_assert(VG_(is_running_thread)(ptid)); |
| vg_assert(VG_(is_valid_tid)(ctid)); |
| |
| stack = allocstack(ctid); |
| |
| /* Copy register state |
| |
| Both parent and child return to the same place, and the code |
| following the clone syscall works out which is which, so we |
| don't need to worry about it. |
| |
| The parent gets the child's new tid returned from clone, but the |
| child gets 0. |
| |
| If the clone call specifies a NULL rsp for the new thread, then |
| it actually gets a copy of the parent's rsp. |
| */ |
| setup_child( &ctst->arch, &ptst->arch ); |
| |
| /* Make sys_clone appear to have returned Success(0) in the |
| child. */ |
| ctst->arch.vex.guest_RAX = 0; |
| |
| if (rsp != 0) |
| ctst->arch.vex.guest_RSP = rsp; |
| |
| ctst->os_state.parent = ptid; |
| |
| /* inherit signal mask */ |
| ctst->sig_mask = ptst->sig_mask; |
| ctst->tmp_sig_mask = ptst->sig_mask; |
| |
| /* We don't really know where the client stack is, because its |
| allocated by the client. The best we can do is look at the |
| memory mappings and try to derive some useful information. We |
| assume that esp starts near its highest possible value, and can |
| only go down to the start of the mmaped segment. */ |
| seg = VG_(find_segment)((Addr)rsp); |
| if (seg) { |
| ctst->client_stack_highest_word = (Addr)VG_PGROUNDUP(rsp); |
| ctst->client_stack_szB = ctst->client_stack_highest_word - seg->addr; |
| |
| if (debug) |
| VG_(printf)("tid %d: guessed client stack range %p-%p\n", |
| ctid, seg->addr, VG_PGROUNDUP(rsp)); |
| } else { |
| VG_(message)(Vg_UserMsg, "!? New thread %d starts with RSP(%p) unmapped\n", |
| ctid, rsp); |
| ctst->client_stack_szB = 0; |
| } |
| |
| if (flags & VKI_CLONE_SETTLS) { |
| if (debug) |
| VG_(printf)("clone child has SETTLS: tls at %p\n", tlsaddr); |
| ctst->arch.vex.guest_FS_ZERO = tlsaddr; |
| } |
| |
| flags &= ~VKI_CLONE_SETTLS; |
| |
| /* start the thread with everything blocked */ |
| VG_(sigprocmask)(VKI_SIG_SETMASK, &blockall, &savedmask); |
| |
| /* Create the new thread */ |
| rax = do_syscall_clone_amd64_linux( |
| start_thread_NORETURN, stack, flags, &VG_(threads)[ctid], |
| child_tidptr, parent_tidptr, NULL |
| ); |
| res = VG_(mk_SysRes_amd64_linux)( rax ); |
| |
| VG_(sigprocmask)(VKI_SIG_SETMASK, &savedmask, NULL); |
| |
| if (res.isError) { |
| /* clone failed */ |
| VGP_(cleanup_thread)(&ctst->arch); |
| ctst->status = VgTs_Empty; |
| } |
| |
| return res; |
| } |
| |
| |
| /* Do a clone which is really a fork() */ |
| static SysRes do_fork_clone ( ThreadId tid, |
| ULong flags, Addr rsp, |
| Long* parent_tidptr, |
| Long* child_tidptr ) |
| { |
| vki_sigset_t fork_saved_mask; |
| vki_sigset_t mask; |
| SysRes res; |
| |
| if (flags & (VKI_CLONE_SETTLS | VKI_CLONE_FS | VKI_CLONE_VM |
| | VKI_CLONE_FILES | VKI_CLONE_VFORK)) |
| return VG_(mk_SysRes_Error)( VKI_EINVAL ); |
| |
| /* Block all signals during fork, so that we can fix things up in |
| the child without being interrupted. */ |
| VG_(sigfillset)(&mask); |
| VG_(sigprocmask)(VKI_SIG_SETMASK, &mask, &fork_saved_mask); |
| |
| VG_(do_atfork_pre)(tid); |
| |
| /* Since this is the fork() form of clone, we don't need all that |
| VG_(clone) stuff */ |
| res = VG_(do_syscall5)( __NR_clone, flags, |
| (UWord)NULL, (UWord)parent_tidptr, |
| (UWord)NULL, (UWord)child_tidptr ); |
| |
| if (!res.isError && res.val == 0) { |
| /* child */ |
| VG_(do_atfork_child)(tid); |
| |
| /* restore signal mask */ |
| VG_(sigprocmask)(VKI_SIG_SETMASK, &fork_saved_mask, NULL); |
| } |
| else |
| if (!res.isError && res.val > 0) { |
| /* parent */ |
| if (VG_(clo_trace_syscalls)) |
| VG_(printf)(" clone(fork): process %d created child %d\n", |
| VG_(getpid)(), res.val); |
| |
| VG_(do_atfork_parent)(tid); |
| |
| /* restore signal mask */ |
| VG_(sigprocmask)(VKI_SIG_SETMASK, &fork_saved_mask, NULL); |
| } |
| |
| return res; |
| } |
| |
| /* --------------------------------------------------------------------- |
| More thread stuff |
| ------------------------------------------------------------------ */ |
| |
| void VGP_(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_shadow = parent->vex_shadow; |
| } |
| |
| |
| /* --------------------------------------------------------------------- |
| PRE/POST wrappers for AMD64/Linux-specific syscalls |
| ------------------------------------------------------------------ */ |
| |
| #define PRE(name) DEFN_PRE_TEMPLATE(amd64_linux, name) |
| #define POST(name) DEFN_POST_TEMPLATE(amd64_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(amd64_linux, sys_clone); |
| DECL_TEMPLATE(amd64_linux, sys_rt_sigreturn); |
| DECL_TEMPLATE(amd64_linux, sys_socket); |
| DECL_TEMPLATE(amd64_linux, sys_setsockopt); |
| DECL_TEMPLATE(amd64_linux, sys_getsockopt); |
| DECL_TEMPLATE(amd64_linux, sys_connect); |
| DECL_TEMPLATE(amd64_linux, sys_accept); |
| DECL_TEMPLATE(amd64_linux, sys_sendto); |
| DECL_TEMPLATE(amd64_linux, sys_recvfrom); |
| DECL_TEMPLATE(amd64_linux, sys_sendmsg); |
| DECL_TEMPLATE(amd64_linux, sys_recvmsg); |
| DECL_TEMPLATE(amd64_linux, sys_shutdown); |
| DECL_TEMPLATE(amd64_linux, sys_bind); |
| DECL_TEMPLATE(amd64_linux, sys_listen); |
| DECL_TEMPLATE(amd64_linux, sys_getsockname); |
| DECL_TEMPLATE(amd64_linux, sys_getpeername); |
| DECL_TEMPLATE(amd64_linux, sys_socketpair); |
| DECL_TEMPLATE(amd64_linux, sys_semget); |
| DECL_TEMPLATE(amd64_linux, sys_semop); |
| DECL_TEMPLATE(amd64_linux, sys_semtimedop); |
| DECL_TEMPLATE(amd64_linux, sys_semctl); |
| DECL_TEMPLATE(amd64_linux, sys_msgget); |
| DECL_TEMPLATE(amd64_linux, sys_msgrcv); |
| DECL_TEMPLATE(amd64_linux, sys_msgsnd); |
| DECL_TEMPLATE(amd64_linux, sys_msgctl); |
| DECL_TEMPLATE(amd64_linux, sys_shmget); |
| DECL_TEMPLATE(amd64_linux, wrap_sys_shmat); |
| DECL_TEMPLATE(amd64_linux, sys_shmdt); |
| DECL_TEMPLATE(amd64_linux, sys_shmdt); |
| DECL_TEMPLATE(amd64_linux, sys_shmctl); |
| DECL_TEMPLATE(amd64_linux, sys_arch_prctl); |
| |
| |
| PRE(sys_clone) |
| { |
| ULong cloneflags; |
| |
| PRINT("sys_clone ( %x, %p, %p, %p, %p )",ARG1,ARG2,ARG3,ARG4,ARG5); |
| PRE_REG_READ5(int, "clone", |
| unsigned long, flags, |
| void *, child_stack, |
| int *, parent_tidptr, |
| int *, child_tidptr, |
| void *, tlsaddr); |
| |
| if (ARG1 & VKI_CLONE_PARENT_SETTID) { |
| PRE_MEM_WRITE("clone(parent_tidptr)", ARG3, sizeof(Int)); |
| if (!VG_(is_addressable)(ARG3, sizeof(Int), VKI_PROT_WRITE)) { |
| SET_STATUS_Failure( VKI_EFAULT ); |
| return; |
| } |
| } |
| if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) { |
| PRE_MEM_WRITE("clone(child_tidptr)", ARG4, sizeof(Int)); |
| if (!VG_(is_addressable)(ARG4, sizeof(Int), VKI_PROT_WRITE)) { |
| SET_STATUS_Failure( VKI_EFAULT ); |
| return; |
| } |
| } |
| |
| cloneflags = ARG1; |
| |
| if (!VG_(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 */ |
| SET_STATUS_from_SysRes( |
| do_clone(tid, |
| ARG1, /* flags */ |
| (Addr)ARG2, /* child ESP */ |
| (Long *)ARG3, /* parent_tidptr */ |
| (Long *)ARG4, /* child_tidptr */ |
| (Addr)ARG5)); /* set_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( |
| do_fork_clone(tid, |
| cloneflags, /* flags */ |
| (Addr)ARG2, /* child ESP */ |
| (Long *)ARG3, /* parent_tidptr */ |
| (Long *)ARG4)); /* child_tidptr */ |
| break; |
| |
| default: |
| /* should we just ENOSYS? */ |
| VG_(message)(Vg_UserMsg, "Unsupported clone() flags: 0x%x", ARG1); |
| VG_(message)(Vg_UserMsg, ""); |
| VG_(message)(Vg_UserMsg, "The only supported clone() uses are:"); |
| VG_(message)(Vg_UserMsg, " - via a threads library (LinuxThreads or NPTL)"); |
| VG_(message)(Vg_UserMsg, " - via the implementation of fork or vfork"); |
| 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(ARG4, sizeof(Int)); |
| |
| /* Thread creation was successful; let the child have the chance |
| to run */ |
| *flags |= SfYieldAfter; |
| } |
| } |
| |
| PRE(sys_rt_sigreturn) |
| { |
| ThreadState* tst; |
| 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)); |
| |
| /* Adjust esp to point to start of frame; skip back up over handler |
| ret addr */ |
| tst = VG_(get_ThreadState)(tid); |
| tst->arch.vex.guest_RSP -= sizeof(Addr); |
| |
| /* This is only so that the RIP is (might be) useful to report if |
| something goes wrong in the sigreturn */ |
| VG_(fixup_guest_state_to_restart_syscall)(&tst->arch); |
| |
| VG_(sigframe_destroy)(tid, True); |
| |
| /* For unclear reasons, it appears we need the syscall to return |
| without changing %RAX. Since %RAX is the return value, and can |
| denote either success or failure, we must set up so that the |
| driver logic copies it back unchanged. Also, note %RAX is of |
| the guest registers written by VG_(sigframe_destroy). */ |
| SET_STATUS_from_SysRes( |
| VG_(mk_SysRes_amd64_linux)( tst->arch.vex.guest_RAX ) |
| ); |
| |
| /* Check to see if some any signals arose as a result of this. */ |
| *flags |= SfPollAfter; |
| } |
| |
| PRE(sys_arch_prctl) |
| { |
| ThreadState* tst; |
| PRINT( "arch_prctl ( %d, %llx )", ARG1, ARG2 ); |
| |
| vg_assert(VG_(is_valid_tid)(tid)); |
| vg_assert(tid >= 1 && tid < VG_N_THREADS); |
| vg_assert(VG_(is_running_thread)(tid)); |
| |
| // Nb: can't use "ARG2".."ARG5" here because that's our own macro... |
| PRE_REG_READ2(long, "arch_prctl", |
| int, option, unsigned long, arg2); |
| // XXX: totally wrong... we need to look at the 'option' arg, and do |
| // PRE_MEM_READs/PRE_MEM_WRITEs as necessary... |
| |
| /* "do" the syscall ourselves; the kernel never sees it */ |
| vg_assert(ARG1 == VKI_ARCH_SET_FS); |
| tst = VG_(get_ThreadState)(tid); |
| tst->arch.vex.guest_FS_ZERO = ARG2; |
| |
| /* Note; the Status writeback to guest state that happens after |
| this wrapper returns does not change guest_FS_ZERO; hence that |
| direct assignment to the guest state is safe here. */ |
| SET_STATUS_Success( 0 ); |
| } |
| |
| PRE(sys_socket) |
| { |
| PRINT("sys_socket ( %d, %d, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "socket", int, domain, int, type, int, protocol); |
| } |
| POST(sys_socket) |
| { |
| SysRes r; |
| vg_assert(SUCCESS); |
| r = VG_(generic_POST_sys_socket)(tid, VG_(mk_SysRes_Success)(RES)); |
| SET_STATUS_from_SysRes(r); |
| } |
| |
| PRE(sys_setsockopt) |
| { |
| PRINT("sys_setsockopt ( %d, %d, %d, %p, %d )",ARG1,ARG2,ARG3,ARG4,ARG5); |
| PRE_REG_READ5(long, "setsockopt", |
| int, s, int, level, int, optname, |
| const void *, optval, int, optlen); |
| VG_(generic_PRE_sys_setsockopt)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); |
| } |
| |
| PRE(sys_getsockopt) |
| { |
| PRINT("sys_getsockopt ( %d, %d, %d, %p, %p )",ARG1,ARG2,ARG3,ARG4,ARG5); |
| PRE_REG_READ5(long, "getsockopt", |
| int, s, int, level, int, optname, |
| void *, optval, int, *optlen); |
| VG_(generic_PRE_sys_getsockopt)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); |
| } |
| POST(sys_getsockopt) |
| { |
| vg_assert(SUCCESS); |
| VG_(generic_POST_sys_getsockopt)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3,ARG4,ARG5); |
| } |
| |
| PRE(sys_connect) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_connect ( %d, %p, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "connect", |
| int, sockfd, struct sockaddr *, serv_addr, int, addrlen); |
| VG_(generic_PRE_sys_connect)(tid, ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_accept) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_accept ( %d, %p, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "accept", |
| int, s, struct sockaddr *, addr, int, *addrlen); |
| VG_(generic_PRE_sys_accept)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_accept) |
| { |
| SysRes r; |
| vg_assert(SUCCESS); |
| r = VG_(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 ( %d, %s, %d, %u, %p, %d )",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); |
| VG_(generic_PRE_sys_sendto)(tid, ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); |
| } |
| |
| PRE(sys_recvfrom) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_recvfrom ( %d, %p, %d, %u, %p, %p )",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); |
| VG_(generic_PRE_sys_recvfrom)(tid, ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); |
| } |
| POST(sys_recvfrom) |
| { |
| vg_assert(SUCCESS); |
| VG_(generic_POST_sys_recvfrom)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); |
| } |
| |
| PRE(sys_sendmsg) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_sendmsg ( %d, %p, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "sendmsg", |
| int, s, const struct msghdr *, msg, int, flags); |
| VG_(generic_PRE_sys_sendmsg)(tid, ARG1,ARG2); |
| } |
| |
| PRE(sys_recvmsg) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_recvmsg ( %d, %p, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "recvmsg", int, s, struct msghdr *, msg, int, flags); |
| VG_(generic_PRE_sys_recvmsg)(tid, ARG1,ARG2); |
| } |
| POST(sys_recvmsg) |
| { |
| VG_(generic_POST_sys_recvmsg)(tid, ARG1,ARG2); |
| } |
| |
| PRE(sys_shutdown) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_shutdown ( %d, %d )",ARG1,ARG2); |
| PRE_REG_READ2(int, "shutdown", int, s, int, how); |
| } |
| |
| PRE(sys_bind) |
| { |
| PRINT("sys_bind ( %d, %p, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "bind", |
| int, sockfd, struct sockaddr *, my_addr, int, addrlen); |
| VG_(generic_PRE_sys_bind)(tid, ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_listen) |
| { |
| PRINT("sys_listen ( %d, %d )",ARG1,ARG2); |
| PRE_REG_READ2(long, "listen", int, s, int, backlog); |
| } |
| |
| PRE(sys_getsockname) |
| { |
| PRINT("sys_getsockname ( %d, %p, %p )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "getsockname", |
| int, s, struct sockaddr *, name, int *, namelen); |
| VG_(generic_PRE_sys_getsockname)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_getsockname) |
| { |
| vg_assert(SUCCESS); |
| VG_(generic_POST_sys_getsockname)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_getpeername) |
| { |
| PRINT("sys_getpeername ( %d, %p, %p )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "getpeername", |
| int, s, struct sockaddr *, name, int *, namelen); |
| VG_(generic_PRE_sys_getpeername)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_getpeername) |
| { |
| vg_assert(SUCCESS); |
| VG_(generic_POST_sys_getpeername)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_socketpair) |
| { |
| PRINT("sys_socketpair ( %d, %d, %d, %p )",ARG1,ARG2,ARG3,ARG4); |
| PRE_REG_READ4(long, "socketpair", |
| int, d, int, type, int, protocol, int [2], sv); |
| VG_(generic_PRE_sys_socketpair)(tid, ARG1,ARG2,ARG3,ARG4); |
| } |
| POST(sys_socketpair) |
| { |
| vg_assert(SUCCESS); |
| VG_(generic_POST_sys_socketpair)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3,ARG4); |
| } |
| |
| PRE(sys_semget) |
| { |
| PRINT("sys_semget ( %d, %d, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "semget", key_t, key, int, nsems, int, semflg); |
| } |
| |
| PRE(sys_semop) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_semop ( %d, %p, %u )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "semop", |
| int, semid, struct sembuf *, sops, unsigned, nsoops); |
| VG_(generic_PRE_sys_semop)(tid, ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_semtimedop) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_semtimedop ( %d, %p, %u, %p )",ARG1,ARG2,ARG3,ARG4); |
| PRE_REG_READ4(long, "semtimedop", |
| int, semid, struct sembuf *, sops, unsigned, nsoops, |
| struct timespec *, timeout); |
| VG_(generic_PRE_sys_semtimedop)(tid, ARG1,ARG2,ARG3,ARG4); |
| } |
| |
| PRE(sys_semctl) |
| { |
| switch (ARG3 & ~VKI_IPC_64) { |
| case VKI_IPC_INFO: |
| case VKI_SEM_INFO: |
| PRINT("sys_semctl ( %d, %d, %d, %p )",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 ( %d, %d, %d, %p )",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 ( %d, %d, %d, %p )",ARG1,ARG2,ARG3,ARG4); |
| PRE_REG_READ4(long, "semctl", |
| int, semid, int, semnum, int, cmd, unsigned short *, arg); |
| break; |
| default: |
| PRINT("sys_semctl ( %d, %d, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "semctl", |
| int, semid, int, semnum, int, cmd); |
| break; |
| } |
| VG_(generic_PRE_sys_semctl)(tid, ARG1,ARG2,ARG3,ARG4); |
| } |
| POST(sys_semctl) |
| { |
| VG_(generic_POST_sys_semctl)(tid, RES,ARG1,ARG2,ARG3,ARG4); |
| } |
| |
| PRE(sys_msgget) |
| { |
| PRINT("sys_msgget ( %d, %d )",ARG1,ARG2); |
| PRE_REG_READ2(long, "msgget", key_t, key, int, msgflg); |
| } |
| |
| PRE(sys_msgsnd) |
| { |
| PRINT("sys_msgsnd ( %d, %p, %d, %d )",ARG1,ARG2,ARG3,ARG4); |
| PRE_REG_READ4(long, "msgsnd", |
| int, msqid, struct msgbuf *, msgp, size_t, msgsz, int, msgflg); |
| VG_(generic_PRE_sys_msgsnd)(tid, ARG1,ARG2,ARG3,ARG4); |
| if ((ARG4 & VKI_IPC_NOWAIT) == 0) |
| *flags |= SfMayBlock; |
| } |
| |
| PRE(sys_msgrcv) |
| { |
| PRINT("sys_msgrcv ( %d, %p, %d, %d, %d )",ARG1,ARG2,ARG3,ARG4,ARG5); |
| PRE_REG_READ5(long, "msgrcv", |
| int, msqid, struct msgbuf *, msgp, size_t, msgsz, |
| long, msgytp, int, msgflg); |
| VG_(generic_PRE_sys_msgrcv)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); |
| if ((ARG4 & VKI_IPC_NOWAIT) == 0) |
| *flags |= SfMayBlock; |
| } |
| POST(sys_msgrcv) |
| { |
| VG_(generic_POST_sys_msgrcv)(tid, RES,ARG1,ARG2,ARG3,ARG4,ARG5); |
| } |
| |
| PRE(sys_msgctl) |
| { |
| PRINT("sys_msgctl ( %d, %d, %p )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "msgctl", |
| int, msqid, int, cmd, struct msqid_ds *, buf); |
| VG_(generic_PRE_sys_msgctl)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_msgctl) |
| { |
| VG_(generic_POST_sys_msgctl)(tid, RES,ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_shmget) |
| { |
| PRINT("sys_shmget ( %d, %d, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "shmget", key_t, key, size_t, size, int, shmflg); |
| } |
| |
| PRE(wrap_sys_shmat) |
| { |
| UWord arg2tmp; |
| PRINT("wrap_sys_shmat ( %d, %p, %d )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "shmat", |
| int, shmid, const void *, shmaddr, int, shmflg); |
| arg2tmp = VG_(generic_PRE_sys_shmat)(tid, ARG1,ARG2,ARG3); |
| if (arg2tmp == 0) |
| SET_STATUS_Failure( VKI_EINVAL ); |
| else |
| ARG2 = arg2tmp; |
| } |
| POST(wrap_sys_shmat) |
| { |
| VG_(generic_POST_sys_shmat)(tid, RES,ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_shmdt) |
| { |
| PRINT("sys_shmdt ( %p )",ARG1); |
| PRE_REG_READ1(long, "shmdt", const void *, shmaddr); |
| if (!VG_(generic_PRE_sys_shmdt)(tid, ARG1)) |
| SET_STATUS_Failure( VKI_EINVAL ); |
| } |
| POST(sys_shmdt) |
| { |
| VG_(generic_POST_sys_shmdt)(tid, RES,ARG1); |
| } |
| |
| PRE(sys_shmctl) |
| { |
| PRINT("sys_shmctl ( %d, %d, %p )",ARG1,ARG2,ARG3); |
| PRE_REG_READ3(long, "shmctl", |
| int, shmid, int, cmd, struct shmid_ds *, buf); |
| VG_(generic_PRE_sys_shmctl)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_shmctl) |
| { |
| VG_(generic_POST_sys_shmctl)(tid, RES,ARG1,ARG2,ARG3); |
| } |
| |
| #undef PRE |
| #undef POST |
| |
| |
| /* --------------------------------------------------------------------- |
| The AMD64/Linux syscall table |
| ------------------------------------------------------------------ */ |
| |
| /* Add an amd64-linux specific wrapper to a syscall table. */ |
| #define PLAX_(const, name) WRAPPER_ENTRY_X_(amd64_linux, const, name) |
| #define PLAXY(const, name) WRAPPER_ENTRY_XY(amd64_linux, const, name) |
| |
| // This table maps from __NR_xxx syscall numbers (from |
| // linux/include/asm-x86_64/unistd.h) to the appropriate PRE/POST sys_foo() |
| // wrappers on AMD64 (as per sys_call_table in |
| // linux/arch/x86_64/kernel/entry.S). |
| // |
| // When implementing these wrappers, you need to work out if the wrapper is |
| // generic, Linux-only (but arch-independent), or AMD64/Linux only. |
| |
| const SyscallTableEntry VGP_(syscall_table)[] = { |
| GENXY(__NR_read, sys_read), // 0 |
| GENX_(__NR_write, sys_write), // 1 |
| GENXY(__NR_open, sys_open), // 2 |
| GENXY(__NR_close, sys_close), // 3 |
| GENXY(__NR_stat, sys_newstat), // 4 |
| |
| GENXY(__NR_fstat, sys_newfstat), // 5 |
| GENXY(__NR_lstat, sys_newlstat), // 6 |
| GENXY(__NR_poll, sys_poll), // 7 |
| GENX_(__NR_lseek, sys_lseek), // 8 |
| GENXY(__NR_mmap, sys_mmap2), // 9 |
| |
| GENXY(__NR_mprotect, sys_mprotect), // 10 |
| GENXY(__NR_munmap, sys_munmap), // 11 |
| GENX_(__NR_brk, sys_brk), // 12 |
| GENXY(__NR_rt_sigaction, sys_rt_sigaction), // 13 |
| GENXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 14 |
| |
| PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 15 |
| GENXY(__NR_ioctl, sys_ioctl), // 16 |
| GENXY(__NR_pread64, sys_pread64), // 17 |
| // (__NR_pwrite64, sys_pwrite64), // 18 |
| GENXY(__NR_readv, sys_readv), // 19 |
| |
| GENX_(__NR_writev, sys_writev), // 20 |
| GENX_(__NR_access, sys_access), // 21 |
| GENXY(__NR_pipe, sys_pipe), // 22 |
| GENX_(__NR_select, sys_select), // 23 |
| // (__NR_sched_yield, sys_sched_yield), // 24 |
| |
| GENX_(__NR_mremap, sys_mremap), // 25 |
| // (__NR_msync, sys_msync), // 26 |
| // (__NR_mincore, sys_mincore), // 27 |
| GENX_(__NR_madvise, sys_madvise), // 28 |
| PLAX_(__NR_shmget, sys_shmget), // 29 |
| |
| PLAXY(__NR_shmat, wrap_sys_shmat), // 30 |
| PLAXY(__NR_shmctl, sys_shmctl), // 31 |
| GENXY(__NR_dup, sys_dup), // 32 |
| GENXY(__NR_dup2, sys_dup2), // 33 |
| GENX_(__NR_pause, sys_pause), // 34 |
| |
| GENXY(__NR_nanosleep, sys_nanosleep), // 35 |
| GENXY(__NR_getitimer, sys_getitimer), // 36 |
| GENX_(__NR_alarm, sys_alarm), // 37 |
| GENXY(__NR_setitimer, sys_setitimer), // 38 |
| GENX_(__NR_getpid, sys_getpid), // 39 |
| |
| // (__NR_sendfile, sys_sendfile64), // 40 |
| PLAXY(__NR_socket, sys_socket), // 41 |
| PLAX_(__NR_connect, sys_connect), // 42 |
| PLAXY(__NR_accept, sys_accept), // 43 |
| PLAX_(__NR_sendto, sys_sendto), // 44 |
| |
| PLAXY(__NR_recvfrom, sys_recvfrom), // 45 |
| PLAX_(__NR_sendmsg, sys_sendmsg), // 46 |
| PLAXY(__NR_recvmsg, sys_recvmsg), // 47 |
| PLAX_(__NR_shutdown, sys_shutdown), // 48 |
| PLAX_(__NR_bind, sys_bind), // 49 |
| |
| PLAX_(__NR_listen, sys_listen), // 50 |
| PLAXY(__NR_getsockname, sys_getsockname), // 51 |
| PLAXY(__NR_getpeername, sys_getpeername), // 52 |
| PLAXY(__NR_socketpair, sys_socketpair), // 53 |
| PLAX_(__NR_setsockopt, sys_setsockopt), // 54 |
| |
| PLAXY(__NR_getsockopt, sys_getsockopt), // 55 |
| PLAX_(__NR_clone, sys_clone), // 56 |
| GENX_(__NR_fork, sys_fork), // 57 |
| GENX_(__NR_vfork, sys_fork), // 58 treat as fork |
| GENX_(__NR_execve, sys_execve), // 59 |
| |
| GENX_(__NR_exit, sys_exit), // 60 |
| GENXY(__NR_wait4, sys_wait4), // 61 |
| GENX_(__NR_kill, sys_kill), // 62 |
| GENXY(__NR_uname, sys_newuname), // 63 |
| PLAX_(__NR_semget, sys_semget), // 64 |
| |
| PLAX_(__NR_semop, sys_semop), // 65 |
| PLAXY(__NR_semctl, sys_semctl), // 66 |
| PLAXY(__NR_shmdt, sys_shmdt), // 67 |
| PLAX_(__NR_msgget, sys_msgget), // 68 |
| PLAX_(__NR_msgsnd, sys_msgsnd), // 69 |
| |
| PLAXY(__NR_msgrcv, sys_msgrcv), // 70 |
| PLAXY(__NR_msgctl, sys_msgctl), // 71 |
| GENXY(__NR_fcntl, sys_fcntl), // 72 |
| // (__NR_flock, sys_flock), // 73 |
| GENX_(__NR_fsync, sys_fsync), // 74 |
| |
| GENX_(__NR_fdatasync, sys_fdatasync), // 75 |
| // (__NR_truncate, sys_truncate), // 76 |
| GENX_(__NR_ftruncate, sys_ftruncate), // 77 |
| GENXY(__NR_getdents, sys_getdents), // 78 |
| GENXY(__NR_getcwd, sys_getcwd), // 79 |
| |
| GENX_(__NR_chdir, sys_chdir), // 80 |
| GENX_(__NR_fchdir, sys_fchdir), // 81 |
| GENX_(__NR_rename, sys_rename), // 82 |
| GENX_(__NR_mkdir, sys_mkdir), // 83 |
| GENX_(__NR_rmdir, sys_rmdir), // 84 |
| |
| GENXY(__NR_creat, sys_creat), // 85 |
| GENX_(__NR_link, sys_link), // 86 |
| GENX_(__NR_unlink, sys_unlink), // 87 |
| GENX_(__NR_symlink, sys_symlink), // 88 |
| GENX_(__NR_readlink, sys_readlink), // 89 |
| |
| GENX_(__NR_chmod, sys_chmod), // 90 |
| GENX_(__NR_fchmod, sys_fchmod), // 91 |
| //zz GENX_(__NR_chown, sys_chown), // 92 |
| //zz GENX_(__NR_fchown, sys_fchown), // 93 |
| // (__NR_lchown, sys_lchown), // 94 |
| |
| GENX_(__NR_umask, sys_umask), // 95 |
| GENXY(__NR_gettimeofday, sys_gettimeofday), // 96 |
| GENXY(__NR_getrlimit, sys_getrlimit), // 97 |
| GENXY(__NR_getrusage, sys_getrusage), // 98 |
| // (__NR_sysinfo, sys_sysinfo), // 99 |
| |
| GENXY(__NR_times, sys_times), // 100 |
| // (__NR_ptrace, sys_ptrace), // 101 |
| GENX_(__NR_getuid, sys_getuid), // 102 |
| // (__NR_syslog, sys_syslog), // 103 |
| GENX_(__NR_getgid, sys_getgid), // 104 |
| |
| //zz GENX_(__NR_setuid, sys_setuid), // 105 |
| //zz GENX_(__NR_setgid, sys_setgid), // 106 |
| GENX_(__NR_geteuid, sys_geteuid), // 107 |
| GENX_(__NR_getegid, sys_getegid), // 108 |
| GENX_(__NR_setpgid, sys_setpgid), // 109 |
| |
| GENX_(__NR_getppid, sys_getppid), // 110 |
| GENX_(__NR_getpgrp, sys_getpgrp), // 111 |
| GENX_(__NR_setsid, sys_setsid), // 112 |
| // (__NR_setreuid, sys_setreuid), // 113 |
| // (__NR_setregid, sys_setregid), // 114 |
| |
| GENXY(__NR_getgroups, sys_getgroups), // 115 |
| //zz GENX_(__NR_setgroups, sys_setgroups), // 116 |
| //zz LINX_(__NR_setresuid, sys_setresuid), // 117 |
| LINXY(__NR_getresuid, sys_getresuid), // 118 |
| //zz LINX_(__NR_setresgid, sys_setresgid), // 119 |
| |
| LINXY(__NR_getresgid, sys_getresgid), // 120 |
| GENX_(__NR_getpgid, sys_getpgid), // 121 |
| // (__NR_setfsuid, sys_setfsuid), // 122 |
| // (__NR_setfsgid, sys_setfsgid), // 123 |
| // (__NR_getsid, sys_getsid), // 124 |
| |
| // (__NR_capget, sys_capget), // 125 |
| // (__NR_capset, sys_capset), // 126 |
| //zz GENXY(__NR_rt_sigpending, sys_rt_sigpending), // 127 |
| GENXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait),// 128 |
| //zz GENXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo),// 129 |
| |
| GENX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 130 |
| GENXY(__NR_sigaltstack, sys_sigaltstack), // 131 |
| GENX_(__NR_utime, sys_utime), // 132 |
| GENX_(__NR_mknod, sys_mknod), // 133 |
| // (__NR_uselib, sys_uselib), // 134 |
| |
| // (__NR_personality, sys_personality), // 135 |
| // (__NR_ustat, sys_ustat), // 136 |
| GENXY(__NR_statfs, sys_statfs), // 137 |
| // (__NR_fstatfs, sys_fstatfs), // 138 |
| // (__NR_sysfs, sys_sysfs), // 139 |
| |
| // (__NR_getpriority, sys_getpriority), // 140 |
| // (__NR_setpriority, sys_setpriority), // 141 |
| //zz GENXY(__NR_sched_setparam, sys_sched_setparam), // 142 |
| GENXY(__NR_sched_getparam, sys_sched_getparam), // 143 |
| GENX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 144 |
| |
| GENX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 145 |
| GENX_(__NR_sched_get_priority_max, sys_sched_get_priority_max), // 146 |
| GENX_(__NR_sched_get_priority_min, sys_sched_get_priority_min), // 147 |
| // (__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 148 |
| GENX_(__NR_mlock, sys_mlock), // 149 |
| |
| GENX_(__NR_munlock, sys_munlock), // 150 |
| GENX_(__NR_mlockall, sys_mlockall), // 151 |
| GENX_(__NR_munlockall, sys_munlockall), // 152 |
| // (__NR_vhangup, sys_vhangup), // 153 |
| // (__NR_modify_ldt, sys_modify_ldt), // 154 |
| |
| // (__NR_pivot_root, sys_pivot_root), // 155 |
| LINXY(__NR__sysctl, sys_sysctl), // 156 |
| // (__NR_prctl, sys_prctl), // 157 |
| PLAX_(__NR_arch_prctl, sys_arch_prctl), // 158 |
| // (__NR_adjtimex, sys_adjtimex), // 159 |
| |
| GENX_(__NR_setrlimit, sys_setrlimit), // 160 |
| GENX_(__NR_chroot, sys_chroot), // 161 |
| GENX_(__NR_sync, sys_sync), // 162 |
| // (__NR_acct, sys_acct), // 163 |
| // (__NR_settimeofday, sys_settimeofday), // 164 |
| |
| LINX_(__NR_mount, sys_mount), // 165 |
| // (__NR_umount2, sys_umount), // 166 |
| // (__NR_swapon, sys_swapon), // 167 |
| // (__NR_swapoff, sys_swapoff), // 168 |
| // (__NR_reboot, sys_reboot), // 169 |
| |
| // (__NR_sethostname, sys_sethostname), // 170 |
| // (__NR_setdomainname, sys_setdomainname), // 171 |
| // (__NR_iopl, stub_iopl), // 172 |
| // (__NR_ioperm, sys_ioperm), // 173 |
| // (__NR_create_module, sys_ni_syscall), // 174 |
| |
| // (__NR_init_module, sys_init_module), // 175 |
| // (__NR_delete_module, sys_delete_module), // 176 |
| // (__NR_get_kernel_syms, sys_ni_syscall), // 177 |
| // (__NR_query_module, sys_ni_syscall), // 178 |
| // (__NR_quotactl, sys_quotactl), // 179 |
| |
| // (__NR_nfsservctl, sys_nfsservctl), // 180 |
| // (__NR_getpmsg, sys_ni_syscall), // 181 |
| // (__NR_putpmsg, sys_ni_syscall), // 182 |
| // (__NR_afs_syscall, sys_ni_syscall), // 183 |
| // (__NR_tuxcall, sys_ni_syscall), // 184 |
| |
| // (__NR_security, sys_ni_syscall), // 185 |
| LINX_(__NR_gettid, sys_gettid), // 186 |
| // (__NR_readahead, sys_readahead), // 187 |
| // (__NR_setxattr, sys_setxattr), // 188 |
| // (__NR_lsetxattr, sys_lsetxattr), // 189 |
| |
| // (__NR_fsetxattr, sys_fsetxattr), // 190 |
| GENXY(__NR_getxattr, sys_getxattr), // 191 |
| // (__NR_lgetxattr, sys_lgetxattr), // 192 |
| // (__NR_fgetxattr, sys_fgetxattr), // 193 |
| // (__NR_listxattr, sys_listxattr), // 194 |
| |
| // (__NR_llistxattr, sys_llistxattr), // 195 |
| // (__NR_flistxattr, sys_flistxattr), // 196 |
| // (__NR_removexattr, sys_removexattr), // 197 |
| // (__NR_lremovexattr, sys_lremovexattr), // 198 |
| // (__NR_fremovexattr, sys_fremovexattr), // 199 |
| |
| // (__NR_tkill, sys_tkill), // 200 |
| GENXY(__NR_time, sys_time), /*was sys_time64*/ // 201 |
| LINXY(__NR_futex, sys_futex), // 202 |
| // (__NR_sched_setaffinity, sys_sched_setaffinity), // 203 |
| // (__NR_sched_getaffinity, sys_sched_getaffinity), // 204 |
| |
| // (__NR_set_thread_area, sys_ni_syscall), // 205 |
| //zz LINX_(__NR_io_setup, sys_io_setup), // 206 |
| //zz LINX_(__NR_io_destroy, sys_io_destroy), // 207 |
| //zz LINXY(__NR_io_getevents, sys_io_getevents), // 208 |
| //zz LINX_(__NR_io_submit, sys_io_submit), // 209 |
| |
| //zz LINXY(__NR_io_cancel, sys_io_cancel), // 210 |
| // (__NR_get_thread_area, sys_ni_syscall), // 211 |
| // (__NR_lookup_dcookie, sys_lookup_dcookie), // 212 |
| //zz LINXY(__NR_epoll_create, sys_epoll_create), // 213 |
| // (__NR_epoll_ctl_old, sys_ni_syscall), // 214 |
| |
| // (__NR_epoll_wait_old, sys_ni_syscall), // 215 |
| // (__NR_remap_file_pages, sys_remap_file_pages)// 216 |
| GENXY(__NR_getdents64, sys_getdents64), // 217 |
| LINX_(__NR_set_tid_address, sys_set_tid_address),// 218 |
| // (__NR_restart_syscall, sys_restart_syscall),// 219 |
| |
| PLAX_(__NR_semtimedop, sys_semtimedop), // 220 |
| //zz LINX_(__NR_fadvise64, sys_fadvise64), // 221 |
| // (__NR_timer_create, sys_timer_create), // 222 |
| // (__NR_timer_settime, sys_timer_settime), // 223 |
| // (__NR_timer_gettime, sys_timer_gettime), // 224 |
| |
| // (__NR_timer_getoverrun, sys_timer_getoverrun)// 225 |
| // (__NR_timer_delete, sys_timer_delete), // 226 |
| // (__NR_clock_settime, sys_clock_settime), // 227 |
| GENXY(__NR_clock_gettime, sys_clock_gettime), // 228 |
| // (__NR_clock_getres, sys_clock_getres), // 229 |
| |
| // (__NR_clock_nanosleep, sys_clock_nanosleep),// 230 |
| LINX_(__NR_exit_group, sys_exit_group), // 231 |
| //zz LINXY(__NR_epoll_wait, sys_epoll_wait), // 232 |
| //zz LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 233 |
| LINXY(__NR_tgkill, sys_tgkill), // 234 |
| |
| // (__NR_utimes, sys_utimes), // 235 |
| // (__NR_vserver, sys_ni_syscall), // 236 |
| // (__NR_vserver, sys_ni_syscall), // 236 |
| // (__NR_mbind, sys_mbind), // 237 |
| // (__NR_set_mempolicy, sys_set_mempolicy), // 238 |
| |
| // (__NR_get_mempolicy, sys_get_mempolicy), // 239 |
| GENXY(__NR_mq_open, sys_mq_open), // 240 |
| GENX_(__NR_mq_unlink, sys_mq_unlink), // 241 |
| GENX_(__NR_mq_timedsend, sys_mq_timedsend), // 242 |
| GENX_(__NR_mq_timedreceive, sys_mq_timedreceive),// 243 |
| |
| GENX_(__NR_mq_notify, sys_mq_notify), // 244 |
| GENXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 245 |
| // (__NR_kexec_load, sys_ni_syscall), // 246 |
| // (__NR_waitid, sys_waitid), // 247 |
| }; |
| |
| const UInt VGP_(syscall_table_size) = |
| sizeof(VGP_(syscall_table)) / sizeof(VGP_(syscall_table)[0]); |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end ---*/ |
| /*--------------------------------------------------------------------*/ |