| |
| /*--------------------------------------------------------------------*/ |
| /*--- Platform-specific syscalls stuff. syswrap-arm-linux.c -----*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2015 Nicholas Nethercote |
| njn@valgrind.org |
| Copyright (C) 2008-2015 Evan Geller |
| gaze@bea.ms |
| |
| 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_arm_linux) |
| |
| #include "pub_core_basics.h" |
| #include "pub_core_vki.h" |
| #include "pub_core_vkiscnums.h" |
| #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_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" |
| |
| |
| /* --------------------------------------------------------------------- |
| 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 ); |
| // r0 = stack |
| // r1 = retaddr |
| // r2 = f |
| // r3 = arg1 |
| asm( |
| ".text\n" |
| ".globl vgModuleLocal_call_on_new_stack_0_1\n" |
| "vgModuleLocal_call_on_new_stack_0_1:\n" |
| " mov sp,r0\n\t" /* Stack pointer */ |
| " mov lr,r1\n\t" /* Return address */ |
| " mov r0,r3\n\t" /* First argument */ |
| " push {r2}\n\t" /* So we can ret to the new dest */ |
| " mov r1, #0\n\t" /* Clear our GPRs */ |
| " mov r2, #0\n\t" |
| " mov r3, #0\n\t" |
| " mov r4, #0\n\t" |
| " mov r5, #0\n\t" |
| " mov r6, #0\n\t" |
| " mov r7, #0\n\t" |
| " mov r8, #0\n\t" |
| " mov r9, #0\n\t" |
| " mov r10, #0\n\t" |
| " mov r11, #0\n\t" |
| " mov r12, #0\n\t" |
| " pop {pc}\n\t" /* Herrre we go! */ |
| ".previous\n" |
| ); |
| |
| |
| #define __NR_CLONE VG_STRINGIFY(__NR_clone) |
| #define __NR_EXIT VG_STRINGIFY(__NR_exit) |
| |
| extern |
| ULong do_syscall_clone_arm_linux ( Word (*fn)(void *), |
| void* stack, |
| Int flags, |
| void* arg, |
| Int* child_tid, |
| Int* parent_tid, |
| void* tls ); |
| asm( |
| ".text\n" |
| ".globl do_syscall_clone_arm_linux\n" |
| "do_syscall_clone_arm_linux:\n" |
| |
| /*Setup child stack */ |
| " str r0, [r1, #-4]!\n" |
| " str r3, [r1, #-4]!\n" |
| " push {r4,r7}\n" |
| " mov r0, r2\n" /* arg1: flags */ |
| /* r1 (arg2) is already our child's stack */ |
| " ldr r2, [sp, #12]\n" // parent tid |
| " ldr r3, [sp, #16]\n" // tls |
| " ldr r4, [sp, #8]\n" // Child tid |
| " mov r7, #"__NR_CLONE"\n" |
| " svc 0x00000000\n" |
| " cmp r0, #0\n" |
| " beq 1f\n" |
| |
| /* Parent */ |
| " pop {r4,r7}\n" |
| " bx lr\n" |
| |
| "1:\n" /*child*/ |
| " mov lr, pc\n" |
| " pop {r0,pc}\n" |
| /* Retval from child is already in r0 */ |
| " mov r7, #"__NR_EXIT"\n" |
| " svc 0x00000000\n" |
| /* Urh.. why did exit return? */ |
| " .long 0\n" |
| " .previous\n" |
| ); |
| |
| #undef __NR_CLONE |
| #undef __NR_EXIT |
| |
| // forward declarations |
| static void setup_child ( ThreadArchState*, ThreadArchState* ); |
| static void assign_guest_tls(ThreadId ctid, Addr tlsptr); |
| 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 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) |
| { |
| ThreadId ctid = VG_(alloc_ThreadState)(); |
| ThreadState* ptst = VG_(get_ThreadState)(ptid); |
| ThreadState* ctst = VG_(get_ThreadState)(ctid); |
| UInt r0; |
| UWord *stack; |
| 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 ); |
| |
| ctst->arch.vex.guest_R0 = 0; |
| if(sp != 0) |
| ctst->arch.vex.guest_R13 = 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; |
| |
| ML_(guess_and_register_stack) (sp, ctst); |
| |
| vg_assert(VG_(owns_BigLock_LL)(ptid)); |
| VG_TRACK ( pre_thread_ll_create, ptid, ctid ); |
| |
| if (flags & VKI_CLONE_SETTLS) { |
| /* Just assign the tls pointer in the guest TPIDRURO. */ |
| assign_guest_tls(ctid, child_tls); |
| } |
| |
| flags &= ~VKI_CLONE_SETTLS; |
| |
| VG_(sigprocmask)(VKI_SIG_SETMASK, &blockall, &savedmask); |
| |
| r0 = do_syscall_clone_arm_linux( |
| ML_(start_thread_NORETURN), stack, flags, &VG_(threads)[ctid], |
| child_tidptr, parent_tidptr, NULL |
| ); |
| //VG_(printf)("AFTER SYSCALL, %x and %x CHILD: %d PARENT: %d\n",child_tidptr, parent_tidptr,*child_tidptr,*parent_tidptr); |
| |
| res = VG_(mk_SysRes_arm_linux)( r0 ); |
| |
| 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 ); |
| } |
| |
| return res; |
| } |
| |
| |
| |
| /* --------------------------------------------------------------------- |
| More thread stuff |
| ------------------------------------------------------------------ */ |
| |
| // ARM doesn't have any architecture specific thread stuff that |
| // needs to be cleaned up |
| void VG_(cleanup_thread) ( ThreadArchState* arch ) |
| { |
| } |
| |
| void setup_child ( /*OUT*/ ThreadArchState *child, |
| /*IN*/ ThreadArchState *parent ) |
| { |
| child->vex = parent->vex; |
| child->vex_shadow1 = parent->vex_shadow1; |
| child->vex_shadow2 = parent->vex_shadow2; |
| } |
| |
| static void assign_guest_tls(ThreadId tid, Addr tlsptr) |
| { |
| VG_(threads)[tid].arch.vex.guest_TPIDRURO = tlsptr; |
| } |
| |
| /* Assigns tlsptr to the guest TPIDRURO. |
| If needed for the specific hardware, really executes |
| the set_tls syscall. |
| */ |
| static SysRes sys_set_tls ( ThreadId tid, Addr tlsptr ) |
| { |
| assign_guest_tls(tid, tlsptr); |
| |
| if (KernelVariantiS(KernelVariant_android_no_hw_tls, |
| VG_(clo_kernel_variant))) { |
| /* Android emulator does not provide an hw tls register. |
| So, the tls register is emulated by the kernel. |
| This emulated value is set by the __NR_ARM_set_tls syscall. |
| The emulated value must be read by the kernel helper function |
| located at 0xffff0fe0. |
| |
| The emulated tlsptr is located at 0xffff0ff0 |
| (so slightly after the kernel helper function). |
| Note that applications are not supposed to read this directly. |
| |
| For compatibility : if there is a hw tls register, the kernel |
| will put at 0xffff0fe0 the instructions to read it, so |
| as to have old applications calling the kernel helper |
| working properly. |
| |
| For having emulated guest TLS working correctly with |
| Valgrind, it is needed to execute the syscall to set |
| the emulated TLS value in addition to the assignment |
| of TPIDRURO. |
| |
| Note: the below means that if we need thread local storage |
| for Valgrind host, then there will be a conflict between |
| the need of the guest tls and of the host tls. |
| If all the guest code would cleanly call 0xffff0fe0, |
| then we might maybe intercept this. However, at least |
| __libc_preinit reads directly 0xffff0ff0. |
| */ |
| /* ??? might call the below if auxv->u.a_val & VKI_HWCAP_TLS ??? |
| Unclear if real hardware having tls hw register sets |
| VKI_HWCAP_TLS. */ |
| return VG_(do_syscall1) (__NR_ARM_set_tls, tlsptr); |
| } else { |
| return VG_(mk_SysRes_Success)( 0 ); |
| } |
| } |
| |
| /* --------------------------------------------------------------------- |
| PRE/POST wrappers for arm/Linux-specific syscalls |
| ------------------------------------------------------------------ */ |
| |
| #define PRE(name) DEFN_PRE_TEMPLATE(arm_linux, name) |
| #define POST(name) DEFN_POST_TEMPLATE(arm_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(arm_linux, sys_mmap2); |
| DECL_TEMPLATE(arm_linux, sys_stat64); |
| DECL_TEMPLATE(arm_linux, sys_lstat64); |
| DECL_TEMPLATE(arm_linux, sys_fstatat64); |
| DECL_TEMPLATE(arm_linux, sys_fstat64); |
| DECL_TEMPLATE(arm_linux, sys_clone); |
| DECL_TEMPLATE(arm_linux, sys_sigreturn); |
| DECL_TEMPLATE(arm_linux, sys_rt_sigreturn); |
| DECL_TEMPLATE(arm_linux, sys_sigsuspend); |
| DECL_TEMPLATE(arm_linux, sys_set_tls); |
| DECL_TEMPLATE(arm_linux, sys_cacheflush); |
| DECL_TEMPLATE(arm_linux, sys_ptrace); |
| |
| 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? For ppc32/64-linux, this is |
| // 4K-sized. Assert that the page size is 4K here for safety. |
| vg_assert(VKI_PAGE_SIZE == 4096); |
| PRINT("sys_mmap2 ( %#lx, %lu, %lu, %lu, %lu, %lu )", |
| ARG1, 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, |
| 4096 * (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, (HChar*)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, (HChar*)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 )", |
| SARG1, ARG2, (HChar*)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 ( %lu, %#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) ); |
| } |
| |
| PRE(sys_clone) |
| { |
| UInt cloneflags; |
| |
| PRINT("sys_clone ( %lx, %#lx, %#lx, %#lx, %#lx )",ARG1,ARG2,ARG3,ARG4,ARG5); |
| PRE_REG_READ5(int, "clone", |
| unsigned long, flags, |
| void *, child_stack, |
| int *, parent_tidptr, |
| void *, child_tls, |
| int *, child_tidptr); |
| |
| if (ARG1 & VKI_CLONE_PARENT_SETTID) { |
| PRE_MEM_WRITE("clone(parent_tidptr)", ARG3, sizeof(Int)); |
| if (!VG_(am_is_valid_for_client)(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)", ARG5, sizeof(Int)); |
| if (!VG_(am_is_valid_for_client)(ARG5, sizeof(Int), |
| VKI_PROT_WRITE)) { |
| SET_STATUS_Failure( VKI_EFAULT ); |
| return; |
| } |
| } |
| if (ARG1 & VKI_CLONE_SETTLS) { |
| PRE_MEM_READ("clone(tls_user_desc)", ARG4, sizeof(vki_modify_ldt_t)); |
| if (!VG_(am_is_valid_for_client)(ARG4, sizeof(vki_modify_ldt_t), |
| VKI_PROT_READ)) { |
| 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 */ |
| SET_STATUS_from_SysRes( |
| do_clone(tid, |
| ARG1, /* flags */ |
| (Addr)ARG2, /* child ESP */ |
| (Int *)ARG3, /* parent_tidptr */ |
| (Int *)ARG5, /* child_tidptr */ |
| (Addr)ARG4)); /* 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( |
| 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_(message)(Vg_UserMsg, " - for the Quadrics Elan3 user-space driver\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) |
| { |
| /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for |
| an explanation of what follows. */ |
| |
| 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)); |
| |
| /* Restore register state from frame and remove it */ |
| 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) |
| { |
| /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for |
| an explanation of what follows. */ |
| |
| 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; |
| } |
| |
| /* NB: clone of x86-linux version, and ppc32-linux has an almost |
| identical one. */ |
| PRE(sys_sigsuspend) |
| { |
| /* The C library interface to sigsuspend just takes a pointer to |
| a signal mask but this system call has three arguments - the first |
| two don't appear to be used by the kernel and are always passed as |
| zero by glibc and the third is the first word of the signal mask |
| so only 32 signals are supported. |
| |
| In fact glibc normally uses rt_sigsuspend if it is available as |
| that takes a pointer to the signal mask so supports more signals. |
| */ |
| *flags |= SfMayBlock; |
| PRINT("sys_sigsuspend ( %ld, %ld, %#lx )", SARG1, SARG2, ARG3 ); |
| PRE_REG_READ3(int, "sigsuspend", |
| int, history0, int, history1, |
| vki_old_sigset_t, mask); |
| } |
| |
| /* Very much ARM specific */ |
| |
| PRE(sys_set_tls) |
| { |
| PRINT("set_tls (%lx)",ARG1); |
| PRE_REG_READ1(long, "set_tls", unsigned long, addr); |
| |
| SET_STATUS_from_SysRes( sys_set_tls( tid, ARG1 ) ); |
| } |
| |
| 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)( (Addr)ARG1, |
| ((ULong)ARG2) - ((ULong)ARG1) + 1ULL/*paranoia*/, |
| "PRE(sys_cacheflush)" ); |
| SET_STATUS_Success(0); |
| } |
| |
| // ARG3 is only used for pointers into the traced process's address |
| // space and for offsets into the traced process's struct |
| // user_regs_struct. It is never a pointer into this process's memory |
| // space, and we should therefore not check anything it points to. |
| PRE(sys_ptrace) |
| { |
| PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", SARG1, SARG2, ARG3, ARG4); |
| PRE_REG_READ4(int, "ptrace", |
| long, request, long, pid, long, addr, long, data); |
| switch (ARG1) { |
| case VKI_PTRACE_PEEKTEXT: |
| case VKI_PTRACE_PEEKDATA: |
| case VKI_PTRACE_PEEKUSR: |
| PRE_MEM_WRITE( "ptrace(peek)", ARG4, |
| sizeof (long)); |
| break; |
| case VKI_PTRACE_GETREGS: |
| PRE_MEM_WRITE( "ptrace(getregs)", ARG4, |
| sizeof (struct vki_user_regs_struct)); |
| break; |
| case VKI_PTRACE_GETFPREGS: |
| PRE_MEM_WRITE( "ptrace(getfpregs)", ARG4, |
| sizeof (struct vki_user_fp)); |
| break; |
| case VKI_PTRACE_GETWMMXREGS: |
| PRE_MEM_WRITE( "ptrace(getwmmxregs)", ARG4, |
| VKI_IWMMXT_SIZE); |
| break; |
| case VKI_PTRACE_GETCRUNCHREGS: |
| PRE_MEM_WRITE( "ptrace(getcrunchregs)", ARG4, |
| VKI_CRUNCH_SIZE); |
| break; |
| case VKI_PTRACE_GETVFPREGS: |
| PRE_MEM_WRITE( "ptrace(getvfpregs)", ARG4, |
| sizeof (struct vki_user_vfp) ); |
| break; |
| case VKI_PTRACE_GETHBPREGS: |
| PRE_MEM_WRITE( "ptrace(gethbpregs)", ARG4, |
| sizeof (unsigned long) ); |
| break; |
| case VKI_PTRACE_SETREGS: |
| PRE_MEM_READ( "ptrace(setregs)", ARG4, |
| sizeof (struct vki_user_regs_struct)); |
| break; |
| case VKI_PTRACE_SETFPREGS: |
| PRE_MEM_READ( "ptrace(setfpregs)", ARG4, |
| sizeof (struct vki_user_fp)); |
| break; |
| case VKI_PTRACE_SETWMMXREGS: |
| PRE_MEM_READ( "ptrace(setwmmxregs)", ARG4, |
| VKI_IWMMXT_SIZE); |
| break; |
| case VKI_PTRACE_SETCRUNCHREGS: |
| PRE_MEM_READ( "ptrace(setcrunchregs)", ARG4, |
| VKI_CRUNCH_SIZE); |
| break; |
| case VKI_PTRACE_SETVFPREGS: |
| PRE_MEM_READ( "ptrace(setvfpregs)", ARG4, |
| sizeof (struct vki_user_vfp)); |
| break; |
| case VKI_PTRACE_SETHBPREGS: |
| PRE_MEM_READ( "ptrace(sethbpregs)", ARG4, sizeof(unsigned long)); |
| break; |
| case VKI_PTRACE_GET_THREAD_AREA: |
| PRE_MEM_WRITE( "ptrace(get_thread_area)", ARG4, sizeof(unsigned long)); |
| break; |
| case VKI_PTRACE_GETEVENTMSG: |
| PRE_MEM_WRITE( "ptrace(geteventmsg)", ARG4, sizeof(unsigned long)); |
| break; |
| case VKI_PTRACE_GETSIGINFO: |
| PRE_MEM_WRITE( "ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t)); |
| break; |
| case VKI_PTRACE_SETSIGINFO: |
| PRE_MEM_READ( "ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t)); |
| break; |
| case VKI_PTRACE_GETREGSET: |
| ML_(linux_PRE_getregset)(tid, ARG3, ARG4); |
| break; |
| case VKI_PTRACE_SETREGSET: |
| ML_(linux_PRE_setregset)(tid, ARG3, ARG4); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| POST(sys_ptrace) |
| { |
| switch (ARG1) { |
| case VKI_PTRACE_PEEKTEXT: |
| case VKI_PTRACE_PEEKDATA: |
| case VKI_PTRACE_PEEKUSR: |
| POST_MEM_WRITE( ARG4, sizeof (long)); |
| break; |
| case VKI_PTRACE_GETREGS: |
| POST_MEM_WRITE( ARG4, sizeof (struct vki_user_regs_struct)); |
| break; |
| case VKI_PTRACE_GETFPREGS: |
| POST_MEM_WRITE( ARG4, sizeof (struct vki_user_fp)); |
| break; |
| case VKI_PTRACE_GETWMMXREGS: |
| POST_MEM_WRITE( ARG4, VKI_IWMMXT_SIZE); |
| break; |
| case VKI_PTRACE_GETCRUNCHREGS: |
| POST_MEM_WRITE( ARG4, VKI_CRUNCH_SIZE); |
| break; |
| case VKI_PTRACE_GETVFPREGS: |
| POST_MEM_WRITE( ARG4, sizeof(struct vki_user_vfp)); |
| break; |
| case VKI_PTRACE_GET_THREAD_AREA: |
| case VKI_PTRACE_GETHBPREGS: |
| case VKI_PTRACE_GETEVENTMSG: |
| POST_MEM_WRITE( ARG4, sizeof(unsigned long)); |
| break; |
| case VKI_PTRACE_GETSIGINFO: |
| /* XXX: This is a simplification. Different parts of the |
| * siginfo_t are valid depending on the type of signal. |
| */ |
| POST_MEM_WRITE( ARG4, sizeof(vki_siginfo_t)); |
| break; |
| case VKI_PTRACE_GETREGSET: |
| ML_(linux_POST_getregset)(tid, ARG3, ARG4); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| #undef PRE |
| #undef POST |
| |
| /* --------------------------------------------------------------------- |
| The arm/Linux syscall table |
| ------------------------------------------------------------------ */ |
| |
| #if 0 |
| #define __NR_OABI_SYSCALL_BASE 0x900000 |
| #else |
| #define __NR_OABI_SYSCALL_BASE 0x0 |
| #endif |
| |
| #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(arm_linux, sysno, name) |
| #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(arm_linux, sysno, name) |
| |
| // This table maps from __NR_xxx syscall numbers (from |
| // linux/include/asm-arm/unistd.h) to the appropriate PRE/POST sys_foo() |
| // wrappers on arm (as per sys_call_table in linux/arch/arm/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[] = { |
| //zz // (restart_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 |
| //zz LINX_(__NR_lchown, sys_lchown16), // 16 |
| // GENX_(__NR_break, sys_ni_syscall), // 17 |
| //zz // (__NR_oldstat, sys_stat), // 18 (obsolete) |
| LINX_(__NR_lseek, sys_lseek), // 19 |
| |
| GENX_(__NR_getpid, sys_getpid), // 20 |
| LINX_(__NR_mount, sys_mount), // 21 |
| LINX_(__NR_umount, sys_oldumount), // 22 |
| LINX_(__NR_setuid, sys_setuid16), // 23 ## P |
| LINX_(__NR_getuid, sys_getuid16), // 24 ## P |
| //zz |
| //zz // (__NR_stime, sys_stime), // 25 * (SVr4,SVID,X/OPEN) |
| PLAXY(__NR_ptrace, sys_ptrace), // 26 |
| GENX_(__NR_alarm, sys_alarm), // 27 |
| //zz // (__NR_oldfstat, sys_fstat), // 28 * L -- obsolete |
| 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 |
| LINXY(__NR_pipe, sys_pipe), // 42 |
| GENXY(__NR_times, sys_times), // 43 |
| // GENX_(__NR_prof, sys_ni_syscall), // 44 |
| //zz |
| GENX_(__NR_brk, sys_brk), // 45 |
| LINX_(__NR_setgid, sys_setgid16), // 46 |
| LINX_(__NR_getgid, sys_getgid16), // 47 |
| //zz // (__NR_signal, sys_signal), // 48 */* (ANSI C) |
| LINX_(__NR_geteuid, sys_geteuid16), // 49 |
| |
| LINX_(__NR_getegid, sys_getegid16), // 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 |
| //zz // (__NR_oldolduname, sys_olduname), // 59 Linux -- obsolete |
| //zz |
| GENX_(__NR_umask, sys_umask), // 60 |
| GENX_(__NR_chroot, sys_chroot), // 61 |
| //zz // (__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 |
| LINXY(__NR_sigaction, sys_sigaction), // 67 |
| //zz // (__NR_sgetmask, sys_sgetmask), // 68 */* (ANSI C) |
| //zz // (__NR_ssetmask, sys_ssetmask), // 69 */* (ANSI C) |
| //zz |
| LINX_(__NR_setreuid, sys_setreuid16), // 70 |
| LINX_(__NR_setregid, sys_setregid16), // 71 |
| PLAX_(__NR_sigsuspend, sys_sigsuspend), // 72 |
| LINXY(__NR_sigpending, sys_sigpending), // 73 |
| //zz // (__NR_sethostname, sys_sethostname), // 74 */* |
| //zz |
| 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 |
| |
| LINXY(__NR_getgroups, sys_getgroups16), // 80 |
| LINX_(__NR_setgroups, sys_setgroups16), // 81 |
| // PLAX_(__NR_select, old_select), // 82 |
| GENX_(__NR_symlink, sys_symlink), // 83 |
| //zz // (__NR_oldlstat, sys_lstat), // 84 -- obsolete |
| //zz |
| GENX_(__NR_readlink, sys_readlink), // 85 |
| //zz // (__NR_uselib, sys_uselib), // 86 */Linux |
| //zz // (__NR_swapon, sys_swapon), // 87 */Linux |
| //zz // (__NR_reboot, sys_reboot), // 88 */Linux |
| //zz // (__NR_readdir, old_readdir), // 89 -- superseded |
| //zz |
| // _____(__NR_mmap, old_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 |
| |
| LINX_(__NR_fchown, sys_fchown16), // 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 |
| LINXY(__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 |
| //zz // (__NR_olduname, sys_uname), // 109 -- obsolete |
| //zz |
| // GENX_(__NR_iopl, sys_iopl), // 110 |
| LINX_(__NR_vhangup, sys_vhangup), // 111 |
| // GENX_(__NR_idle, sys_ni_syscall), // 112 |
| // PLAXY(__NR_vm86old, sys_vm86old), // 113 __NR_syscall... weird |
| GENXY(__NR_wait4, sys_wait4), // 114 |
| //zz |
| //zz // (__NR_swapoff, sys_swapoff), // 115 */Linux |
| LINXY(__NR_sysinfo, sys_sysinfo), // 116 |
| // _____(__NR_ipc, sys_ipc), // 117 |
| GENX_(__NR_fsync, sys_fsync), // 118 |
| PLAX_(__NR_sigreturn, sys_sigreturn), // 119 ?/Linux |
| |
| PLAX_(__NR_clone, sys_clone), // 120 |
| //zz // (__NR_setdomainname, sys_setdomainname), // 121 */*(?) |
| GENXY(__NR_uname, sys_newuname), // 122 |
| // PLAX_(__NR_modify_ldt, sys_modify_ldt), // 123 |
| //zz LINXY(__NR_adjtimex, sys_adjtimex), // 124 |
| //zz |
| GENXY(__NR_mprotect, sys_mprotect), // 125 |
| LINXY(__NR_sigprocmask, sys_sigprocmask), // 126 |
| //zz // Nb: create_module() was removed 2.4-->2.6 |
| // GENX_(__NR_create_module, sys_ni_syscall), // 127 |
| LINX_(__NR_init_module, sys_init_module), // 128 |
| LINX_(__NR_delete_module, sys_delete_module), // 129 |
| //zz |
| //zz // 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 |
| //zz // (__NR_bdflush, sys_bdflush), // 134 */Linux |
| //zz |
| //zz // (__NR_sysfs, sys_sysfs), // 135 SVr4 |
| LINX_(__NR_personality, sys_personality), // 136 |
| // GENX_(__NR_afs_syscall, sys_ni_syscall), // 137 |
| LINX_(__NR_setfsuid, sys_setfsuid16), // 138 |
| LINX_(__NR_setfsgid, sys_setfsgid16), // 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 |
| GENX_(__NR_getsid, sys_getsid), // 147 |
| GENX_(__NR_fdatasync, sys_fdatasync), // 148 |
| LINXY(__NR__sysctl, sys_sysctl), // 149 |
| |
| GENX_(__NR_mlock, sys_mlock), // 150 |
| GENX_(__NR_munlock, sys_munlock), // 151 |
| GENX_(__NR_mlockall, sys_mlockall), // 152 |
| LINX_(__NR_munlockall, sys_munlockall), // 153 |
| LINXY(__NR_sched_setparam, sys_sched_setparam), // 154 |
| |
| LINXY(__NR_sched_getparam, sys_sched_getparam), // 155 |
| LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156 |
| LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157 |
| LINX_(__NR_sched_yield, sys_sched_yield), // 158 |
| LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max),// 159 |
| |
| LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min),// 160 |
| //zz //LINX?(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 161 */* |
| GENXY(__NR_nanosleep, sys_nanosleep), // 162 |
| GENX_(__NR_mremap, sys_mremap), // 163 |
| LINX_(__NR_setresuid, sys_setresuid16), // 164 |
| |
| LINXY(__NR_getresuid, sys_getresuid16), // 165 |
| // PLAXY(__NR_vm86, sys_vm86), // 166 x86/Linux-only |
| // GENX_(__NR_query_module, sys_ni_syscall), // 167 |
| GENXY(__NR_poll, sys_poll), // 168 |
| //zz // (__NR_nfsservctl, sys_nfsservctl), // 169 */Linux |
| //zz |
| LINX_(__NR_setresgid, sys_setresgid16), // 170 |
| LINXY(__NR_getresgid, sys_getresgid16), // 171 |
| LINXY(__NR_prctl, sys_prctl), // 172 |
| PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 173 |
| LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 174 |
| |
| LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 175 |
| LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 176 |
| LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait),// 177 |
| LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo),// 178 |
| LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 179 |
| |
| GENXY(__NR_pread64, sys_pread64), // 180 |
| GENX_(__NR_pwrite64, sys_pwrite64), // 181 |
| LINX_(__NR_chown, sys_chown16), // 182 |
| GENXY(__NR_getcwd, sys_getcwd), // 183 |
| LINXY(__NR_capget, sys_capget), // 184 |
| |
| LINX_(__NR_capset, sys_capset), // 185 |
| GENXY(__NR_sigaltstack, sys_sigaltstack), // 186 |
| LINXY(__NR_sendfile, sys_sendfile), // 187 |
| // GENXY(__NR_getpmsg, sys_getpmsg), // 188 |
| // GENX_(__NR_putpmsg, sys_putpmsg), // 189 |
| |
| // Nb: we treat vfork as fork |
| GENX_(__NR_vfork, sys_fork), // 190 |
| GENXY(__NR_ugetrlimit, sys_getrlimit), // 191 |
| PLAX_(__NR_mmap2, sys_mmap2), // 192 |
| GENX_(__NR_truncate64, sys_truncate64), // 193 |
| GENX_(__NR_ftruncate64, sys_ftruncate64), // 194 |
| |
| PLAXY(__NR_stat64, sys_stat64), // 195 |
| PLAXY(__NR_lstat64, sys_lstat64), // 196 |
| PLAXY(__NR_fstat64, sys_fstat64), // 197 |
| GENX_(__NR_lchown32, sys_lchown), // 198 |
| GENX_(__NR_getuid32, sys_getuid), // 199 |
| |
| GENX_(__NR_getgid32, sys_getgid), // 200 |
| GENX_(__NR_geteuid32, sys_geteuid), // 201 |
| GENX_(__NR_getegid32, sys_getegid), // 202 |
| GENX_(__NR_setreuid32, sys_setreuid), // 203 |
| GENX_(__NR_setregid32, sys_setregid), // 204 |
| |
| GENXY(__NR_getgroups32, sys_getgroups), // 205 |
| GENX_(__NR_setgroups32, sys_setgroups), // 206 |
| GENX_(__NR_fchown32, sys_fchown), // 207 |
| LINX_(__NR_setresuid32, sys_setresuid), // 208 |
| LINXY(__NR_getresuid32, sys_getresuid), // 209 |
| |
| LINX_(__NR_setresgid32, sys_setresgid), // 210 |
| LINXY(__NR_getresgid32, sys_getresgid), // 211 |
| GENX_(__NR_chown32, sys_chown), // 212 |
| GENX_(__NR_setuid32, sys_setuid), // 213 |
| GENX_(__NR_setgid32, sys_setgid), // 214 |
| |
| LINX_(__NR_setfsuid32, sys_setfsuid), // 215 |
| LINX_(__NR_setfsgid32, sys_setfsgid), // 216 |
| LINX_(__NR_pivot_root, sys_pivot_root), // 217 |
| GENXY(__NR_mincore, sys_mincore), // 218 |
| GENX_(__NR_madvise, sys_madvise), // 219 |
| |
| GENXY(__NR_getdents64, sys_getdents64), // 220 |
| LINXY(__NR_fcntl64, sys_fcntl64), // 221 |
| // GENX_(222, sys_ni_syscall), // 222 |
| // PLAXY(223, sys_syscall223), // 223 // sys_bproc? |
| LINX_(__NR_gettid, sys_gettid), // 224 |
| |
| LINX_(__NR_readahead, sys_readahead), // 225 */Linux |
| LINX_(__NR_setxattr, sys_setxattr), // 226 |
| LINX_(__NR_lsetxattr, sys_lsetxattr), // 227 |
| LINX_(__NR_fsetxattr, sys_fsetxattr), // 228 |
| LINXY(__NR_getxattr, sys_getxattr), // 229 |
| |
| LINXY(__NR_lgetxattr, sys_lgetxattr), // 230 |
| LINXY(__NR_fgetxattr, sys_fgetxattr), // 231 |
| LINXY(__NR_listxattr, sys_listxattr), // 232 |
| LINXY(__NR_llistxattr, sys_llistxattr), // 233 |
| LINXY(__NR_flistxattr, sys_flistxattr), // 234 |
| |
| LINX_(__NR_removexattr, sys_removexattr), // 235 |
| LINX_(__NR_lremovexattr, sys_lremovexattr), // 236 |
| LINX_(__NR_fremovexattr, sys_fremovexattr), // 237 |
| LINXY(__NR_tkill, sys_tkill), // 238 */Linux |
| LINXY(__NR_sendfile64, sys_sendfile64), // 239 |
| |
| LINXY(__NR_futex, sys_futex), // 240 |
| LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 241 |
| LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 242 |
| // PLAX_(__NR_set_thread_area, sys_set_thread_area), // 243 |
| // PLAX_(__NR_get_thread_area, sys_get_thread_area), // 244 |
| |
| LINXY(__NR_io_setup, sys_io_setup), // 245 |
| LINX_(__NR_io_destroy, sys_io_destroy), // 246 |
| LINXY(__NR_io_getevents, sys_io_getevents), // 247 |
| LINX_(__NR_io_submit, sys_io_submit), // 248 |
| LINXY(__NR_io_cancel, sys_io_cancel), // 249 |
| |
| // LINX_(__NR_fadvise64, sys_fadvise64), // 250 */(Linux?) |
| GENX_(251, sys_ni_syscall), // 251 |
| LINX_(__NR_exit_group, sys_exit_group), // 252 |
| // GENXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 253 |
| LINXY(__NR_epoll_create, sys_epoll_create), // 254 |
| |
| LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 255 |
| LINXY(__NR_epoll_wait, sys_epoll_wait), // 256 |
| //zz // (__NR_remap_file_pages, sys_remap_file_pages), // 257 */Linux |
| LINX_(__NR_set_tid_address, sys_set_tid_address), // 258 |
| LINXY(__NR_timer_create, sys_timer_create), // 259 |
| |
| LINXY(__NR_timer_settime, sys_timer_settime), // (timer_create+1) |
| LINXY(__NR_timer_gettime, sys_timer_gettime), // (timer_create+2) |
| LINX_(__NR_timer_getoverrun, sys_timer_getoverrun),//(timer_create+3) |
| LINX_(__NR_timer_delete, sys_timer_delete), // (timer_create+4) |
| LINX_(__NR_clock_settime, sys_clock_settime), // (timer_create+5) |
| |
| LINXY(__NR_clock_gettime, sys_clock_gettime), // (timer_create+6) |
| LINXY(__NR_clock_getres, sys_clock_getres), // (timer_create+7) |
| LINXY(__NR_clock_nanosleep, sys_clock_nanosleep),// (timer_create+8) */* |
| GENXY(__NR_statfs64, sys_statfs64), // 268 |
| GENXY(__NR_fstatfs64, sys_fstatfs64), // 269 |
| |
| LINX_(__NR_tgkill, sys_tgkill), // 270 */Linux |
| GENX_(__NR_utimes, sys_utimes), // 271 |
| GENX_(__NR_vserver, sys_ni_syscall), // 273 |
| LINX_(__NR_mbind, sys_mbind), // 274 ?/? |
| |
| LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 275 ?/? |
| LINX_(__NR_set_mempolicy, sys_set_mempolicy), // 276 ?/? |
| LINXY(__NR_mq_open, sys_mq_open), // 277 |
| LINX_(__NR_mq_unlink, sys_mq_unlink), // (mq_open+1) |
| LINX_(__NR_mq_timedsend, sys_mq_timedsend), // (mq_open+2) |
| |
| LINXY(__NR_mq_timedreceive, sys_mq_timedreceive),// (mq_open+3) |
| LINX_(__NR_mq_notify, sys_mq_notify), // (mq_open+4) |
| LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // (mq_open+5) |
| LINXY(__NR_waitid, sys_waitid), // 280 |
| |
| LINXY(__NR_socket, sys_socket), // 281 |
| LINX_(__NR_bind, sys_bind), // 282 |
| LINX_(__NR_connect, sys_connect), // 283 |
| LINX_(__NR_listen, sys_listen), // 284 |
| LINXY(__NR_accept, sys_accept), // 285 |
| LINXY(__NR_getsockname, sys_getsockname), // 286 |
| LINXY(__NR_getpeername, sys_getpeername), // 287 |
| LINXY(__NR_socketpair, sys_socketpair), // 288 |
| LINX_(__NR_send, sys_send), |
| LINX_(__NR_sendto, sys_sendto), // 290 |
| LINXY(__NR_recv, sys_recv), |
| LINXY(__NR_recvfrom, sys_recvfrom), // 292 |
| LINX_(__NR_shutdown, sys_shutdown), // 293 |
| LINX_(__NR_setsockopt, sys_setsockopt), // 294 |
| LINXY(__NR_getsockopt, sys_getsockopt), // 295 |
| LINX_(__NR_sendmsg, sys_sendmsg), // 296 |
| LINXY(__NR_recvmsg, sys_recvmsg), // 297 |
| LINX_(__NR_semop, sys_semop), // 298 |
| LINX_(__NR_semget, sys_semget), // 299 |
| LINXY(__NR_semctl, sys_semctl), // 300 |
| LINX_(__NR_msgget, sys_msgget), |
| LINX_(__NR_msgsnd, sys_msgsnd), |
| LINXY(__NR_msgrcv, sys_msgrcv), |
| LINXY(__NR_msgctl, sys_msgctl), // 304 |
| LINX_(__NR_semtimedop, sys_semtimedop), // 312 |
| |
| LINX_(__NR_add_key, sys_add_key), // 286 |
| LINX_(__NR_request_key, sys_request_key), // 287 |
| LINXY(__NR_keyctl, sys_keyctl), // not 288... |
| // LINX_(__NR_ioprio_set, sys_ioprio_set), // 289 |
| |
| // LINX_(__NR_ioprio_get, sys_ioprio_get), // 290 |
| LINX_(__NR_inotify_init, sys_inotify_init), // 291 |
| LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 292 |
| LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 293 |
| // LINX_(__NR_migrate_pages, sys_migrate_pages), // 294 |
| |
| LINXY(__NR_openat, sys_openat), // 295 |
| LINX_(__NR_mkdirat, sys_mkdirat), // 296 |
| LINX_(__NR_mknodat, sys_mknodat), // 297 |
| LINX_(__NR_fchownat, sys_fchownat), // 298 |
| LINX_(__NR_futimesat, sys_futimesat), // 326 on arm |
| |
| PLAXY(__NR_fstatat64, sys_fstatat64), // 300 |
| LINX_(__NR_unlinkat, sys_unlinkat), // 301 |
| LINX_(__NR_renameat, sys_renameat), // 302 |
| LINX_(__NR_linkat, sys_linkat), // 303 |
| LINX_(__NR_symlinkat, sys_symlinkat), // 304 |
| |
| LINX_(__NR_readlinkat, sys_readlinkat), // |
| LINX_(__NR_fchmodat, sys_fchmodat), // |
| LINX_(__NR_faccessat, sys_faccessat), // |
| LINXY(__NR_shmat, wrap_sys_shmat), //305 |
| LINXY(__NR_shmdt, sys_shmdt), //306 |
| LINX_(__NR_shmget, sys_shmget), //307 |
| LINXY(__NR_shmctl, sys_shmctl), // 308 |
| // LINX_(__NR_pselect6, sys_pselect6), // |
| |
| LINX_(__NR_unshare, sys_unshare), // 310 |
| LINX_(__NR_set_robust_list, sys_set_robust_list), // 311 |
| LINXY(__NR_get_robust_list, sys_get_robust_list), // 312 |
| // LINX_(__NR_splice, sys_ni_syscall), // 313 |
| // LINX_(__NR_sync_file_range, sys_sync_file_range), // 314 |
| |
| // LINX_(__NR_tee, sys_ni_syscall), // 315 |
| // LINX_(__NR_vmsplice, sys_ni_syscall), // 316 |
| LINXY(__NR_move_pages, sys_move_pages), // 317 |
| // LINX_(__NR_getcpu, sys_ni_syscall), // 318 |
| |
| LINX_(__NR_utimensat, sys_utimensat), // 320 |
| LINXY(__NR_signalfd, sys_signalfd), // 321 |
| LINXY(__NR_timerfd_create, sys_timerfd_create), // 322 |
| LINXY(__NR_eventfd, sys_eventfd), // 323 |
| |
| LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 325 |
| LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 326 |
| |
| /////////////// |
| |
| // JRS 2010-Jan-03: I believe that all the numbers listed |
| // in comments in the table prior to this point (eg "// 326", |
| // etc) are bogus since it looks to me like they are copied |
| // verbatim from syswrap-x86-linux.c and they certainly do not |
| // correspond to what's in include/vki/vki-scnums-arm-linux.h. |
| // From here onwards, please ensure the numbers are correct. |
| |
| LINX_(__NR_arm_fadvise64_64, sys_fadvise64_64), // 270 */(Linux?) |
| |
| LINX_(__NR_pselect6, sys_pselect6), // 335 |
| LINXY(__NR_ppoll, sys_ppoll), // 336 |
| |
| LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 346 |
| |
| LINX_(__NR_fallocate, sys_fallocate), // 352 |
| |
| LINXY(__NR_signalfd4, sys_signalfd4), // 355 |
| LINXY(__NR_eventfd2, sys_eventfd2), // 356 |
| LINXY(__NR_epoll_create1, sys_epoll_create1), // 357 |
| LINXY(__NR_dup3, sys_dup3), // 358 |
| LINXY(__NR_pipe2, sys_pipe2), // 359 |
| LINXY(__NR_inotify_init1, sys_inotify_init1), // 360 |
| LINXY(__NR_preadv, sys_preadv), // 361 |
| LINX_(__NR_pwritev, sys_pwritev), // 362 |
| LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo),// 363 |
| LINXY(__NR_perf_event_open, sys_perf_event_open), // 364 |
| LINXY(__NR_recvmmsg, sys_recvmmsg), // 365 |
| LINXY(__NR_accept4, sys_accept4), // 366 |
| LINXY(__NR_fanotify_init, sys_fanotify_init), // 367 |
| LINX_(__NR_fanotify_mark, sys_fanotify_mark), // 368 |
| LINXY(__NR_prlimit64, sys_prlimit64), // 369 |
| LINXY(__NR_name_to_handle_at, sys_name_to_handle_at),// 370 |
| LINXY(__NR_open_by_handle_at, sys_open_by_handle_at),// 371 |
| LINXY(__NR_clock_adjtime, sys_clock_adjtime), // 372 |
| LINX_(__NR_syncfs, sys_syncfs), // 373 |
| LINXY(__NR_sendmmsg, sys_sendmmsg), // 374 |
| |
| LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 376 |
| LINX_(__NR_process_vm_writev, sys_process_vm_writev),// 377 |
| |
| LINXY(__NR_getrandom, sys_getrandom), // 384 |
| LINXY(__NR_memfd_create, sys_memfd_create) // 385 |
| }; |
| |
| |
| /* These are not in the main table because there indexes are not small |
| integers, but rather values close to one million. So their |
| inclusion would force the main table to be huge (about 8 MB). */ |
| |
| static SyscallTableEntry ste___ARM_set_tls |
| = { WRAPPER_PRE_NAME(arm_linux,sys_set_tls), NULL }; |
| |
| static SyscallTableEntry ste___ARM_cacheflush |
| = { WRAPPER_PRE_NAME(arm_linux,sys_cacheflush), NULL }; |
| |
| 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; |
| } |
| |
| /* Check if it's one of the out-of-line entries. */ |
| switch (sysno) { |
| case __NR_ARM_set_tls: return &ste___ARM_set_tls; |
| case __NR_ARM_cacheflush: return &ste___ARM_cacheflush; |
| default: break; |
| } |
| |
| /* Can't find a wrapper */ |
| return NULL; |
| } |
| |
| #endif // defined(VGP_arm_linux) |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end syswrap-arm-linux.c ---*/ |
| /*--------------------------------------------------------------------*/ |
