| |
| /*--------------------------------------------------------------------*/ |
| /*--- Platform-specific syscalls stuff. syswrap-arm64-linux.c -----*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2013-2017 OpenWorks |
| info@open-works.net |
| |
| 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_arm64_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_libcbase.h" |
| #include "pub_core_libcassert.h" |
| #include "pub_core_libcprint.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_syscall.h" |
| #include "pub_core_syswrap.h" |
| #include "pub_core_tooliface.h" |
| |
| #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 */ |
| |
| |
| /* --------------------------------------------------------------------- |
| 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, x0\n\t" /* Stack pointer */ |
| " mov x30, x1\n\t" /* Return address (x30 is LR) */ |
| " mov x0, x3\n\t" /* First argument */ |
| " mov x9, x2\n\t" /* 'f': x9 won't be zeroed at start of f. Oh well. */ |
| " mov x1, #0\n\t" /* Clear our GPRs */ |
| " mov x2, #0\n\t" |
| " mov x3, #0\n\t" |
| " mov x4, #0\n\t" |
| " mov x5, #0\n\t" |
| " mov x6, #0\n\t" |
| " mov x7, #0\n\t" |
| " mov x8, #0\n\t" |
| /* don't zero out x9 */ |
| " mov x10, #0\n\t" |
| " mov x11, #0\n\t" |
| " mov x12, #0\n\t" |
| " mov x13, #0\n\t" |
| " mov x14, #0\n\t" |
| " mov x15, #0\n\t" |
| " mov x16, #0\n\t" |
| " mov x17, #0\n\t" |
| " mov x18, #0\n\t" |
| " mov x19, #0\n\t" |
| " mov x20, #0\n\t" |
| " mov x21, #0\n\t" |
| " mov x22, #0\n\t" |
| " mov x23, #0\n\t" |
| " mov x24, #0\n\t" |
| " mov x25, #0\n\t" |
| " mov x26, #0\n\t" |
| " mov x27, #0\n\t" |
| " mov x28, #0\n\t" |
| " mov x29, sp\n\t" /* FP = SP, in the absence of better suggestions */ |
| " br x9\n\t" |
| ".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: |
| |
| Word (*fn)(void*) in x0 |
| void* child_stack in x1 |
| int flags in x2 |
| void* arg in x3 |
| pid_t* child_tid in x4 |
| pid_t* parent_tid in x5 |
| void* tls_ptr in x6 |
| |
| System call requires: |
| |
| int $__NR_clone in x8 |
| int flags in x0 |
| void* child_stack in x1 |
| pid_t* parent_tid in x2 |
| void* tls_ptr in x3 |
| pid_t* child_tid in x4 |
| |
| Returns a Long encoded in the linux-arm64 way, not a SysRes. |
| */ |
| #define __NR_CLONE VG_STRINGIFY(__NR_clone) |
| #define __NR_EXIT VG_STRINGIFY(__NR_exit) |
| |
| // See priv_syswrap-linux.h for arg profile. |
| asm( |
| ".text\n" |
| ".globl do_syscall_clone_arm64_linux\n" |
| "do_syscall_clone_arm64_linux:\n" |
| // set up child stack, temporarily preserving fn and arg |
| " sub x1, x1, #16\n" // make space on stack |
| " str x3, [x1, #8]\n" // save arg |
| " str x0, [x1, #0]\n" // save fn |
| |
| // setup syscall |
| " mov x8, #"__NR_CLONE"\n" // syscall number |
| " mov x0, x2\n" // syscall arg1: flags |
| " mov x1, x1\n" // syscall arg2: child_stack |
| " mov x2, x5\n" // syscall arg3: parent_tid |
| " mov x3, x6\n" // syscall arg4: tls_ptr |
| " mov x4, x4\n" // syscall arg5: child_tid |
| |
| " svc 0\n" // clone() |
| |
| " cmp x0, #0\n" // child if retval == 0 |
| " bne 1f\n" |
| |
| // CHILD - call thread function |
| " ldr x1, [sp, #0]\n" // pop fn |
| " ldr x0, [sp, #8]\n" // pop fn arg1: arg |
| " add sp, sp, #16\n" |
| " blr x1\n" // call fn |
| |
| // exit with result |
| " mov x0, x0\n" // arg1: return value from fn |
| " mov x8, #"__NR_EXIT"\n" |
| |
| " svc 0\n" |
| |
| // Exit returned?! |
| " .word 0xFFFFFFFF\n" |
| |
| "1:\n" // PARENT or ERROR. x0 holds return value from the clone syscall. |
| " ret\n" |
| ".previous\n" |
| ); |
| |
| #undef __NR_CLONE |
| #undef __NR_EXIT |
| |
| // forward declaration |
| //ZZ static SysRes sys_set_tls ( ThreadId tid, Addr tlsptr ); |
| |
| /* --------------------------------------------------------------------- |
| More thread stuff |
| ------------------------------------------------------------------ */ |
| |
| // ARM64 doesn't have any architecture specific thread stuff that |
| // needs to be cleaned up |
| void VG_(cleanup_thread) ( ThreadArchState* arch ) |
| { |
| } |
| |
| //ZZ /* Assigns tlsptr to the guest TPIDRURO. |
| //ZZ If needed for the specific hardware, really executes |
| //ZZ the set_tls syscall. |
| //ZZ */ |
| //ZZ static SysRes sys_set_tls ( ThreadId tid, Addr tlsptr ) |
| //ZZ { |
| //ZZ assign_guest_tls(tid, tlsptr); |
| //ZZ #if defined(ANDROID_HARDWARE_emulator) |
| //ZZ /* Android emulator does not provide an hw tls register. |
| //ZZ So, the tls register is emulated by the kernel. |
| //ZZ This emulated value is set by the __NR_ARM_set_tls syscall. |
| //ZZ The emulated value must be read by the kernel helper function |
| //ZZ located at 0xffff0fe0. |
| //ZZ |
| //ZZ The emulated tlsptr is located at 0xffff0ff0 |
| //ZZ (so slightly after the kernel helper function). |
| //ZZ Note that applications are not supposed to read this directly. |
| //ZZ |
| //ZZ For compatibility : if there is a hw tls register, the kernel |
| //ZZ will put at 0xffff0fe0 the instructions to read it, so |
| //ZZ as to have old applications calling the kernel helper |
| //ZZ working properly. |
| //ZZ |
| //ZZ For having emulated guest TLS working correctly with |
| //ZZ Valgrind, it is needed to execute the syscall to set |
| //ZZ the emulated TLS value in addition to the assignment |
| //ZZ of TPIDRURO. |
| //ZZ |
| //ZZ Note: the below means that if we need thread local storage |
| //ZZ for Valgrind host, then there will be a conflict between |
| //ZZ the need of the guest tls and of the host tls. |
| //ZZ If all the guest code would cleanly call 0xffff0fe0, |
| //ZZ then we might maybe intercept this. However, at least |
| //ZZ __libc_preinit reads directly 0xffff0ff0. |
| //ZZ */ |
| //ZZ /* ??? might call the below if auxv->u.a_val & VKI_HWCAP_TLS ??? |
| //ZZ Unclear if real hardware having tls hw register sets |
| //ZZ VKI_HWCAP_TLS. */ |
| //ZZ return VG_(do_syscall1) (__NR_ARM_set_tls, tlsptr); |
| //ZZ #else |
| //ZZ return VG_(mk_SysRes_Success)( 0 ); |
| //ZZ #endif |
| //ZZ } |
| |
| /* --------------------------------------------------------------------- |
| PRE/POST wrappers for arm/Linux-specific syscalls |
| ------------------------------------------------------------------ */ |
| |
| #define PRE(name) DEFN_PRE_TEMPLATE(arm64_linux, name) |
| #define POST(name) DEFN_POST_TEMPLATE(arm64_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(arm64_linux, sys_fadvise64); |
| DECL_TEMPLATE(arm64_linux, sys_mmap); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_stat64); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_lstat64); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_fstatat64); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_fstat64); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_sigreturn); |
| DECL_TEMPLATE(arm64_linux, sys_rt_sigreturn); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_sigsuspend); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_set_tls); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_cacheflush); |
| //ZZ DECL_TEMPLATE(arm_linux, sys_ptrace); |
| |
| //ZZ PRE(sys_mmap2) |
| //ZZ { |
| //ZZ SysRes r; |
| //ZZ |
| //ZZ // Exactly like old_mmap() except: |
| //ZZ // - all 6 args are passed in regs, rather than in a memory-block. |
| //ZZ // - the file offset is specified in pagesize units rather than bytes, |
| //ZZ // so that it can be used for files bigger than 2^32 bytes. |
| //ZZ // pagesize or 4K-size units in offset? For ppc32/64-linux, this is |
| //ZZ // 4K-sized. Assert that the page size is 4K here for safety. |
| //ZZ vg_assert(VKI_PAGE_SIZE == 4096); |
| //ZZ PRINT("sys_mmap2 ( %#lx, %llu, %ld, %ld, %ld, %ld )", |
| //ZZ ARG1, (ULong)ARG2, ARG3, ARG4, ARG5, ARG6 ); |
| //ZZ PRE_REG_READ6(long, "mmap2", |
| //ZZ unsigned long, start, unsigned long, length, |
| //ZZ unsigned long, prot, unsigned long, flags, |
| //ZZ unsigned long, fd, unsigned long, offset); |
| //ZZ |
| //ZZ r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5, |
| //ZZ 4096 * (Off64T)ARG6 ); |
| //ZZ SET_STATUS_from_SysRes(r); |
| //ZZ } |
| |
| // ARM64 FIXME is this correct? |
| PRE(sys_fadvise64) |
| { |
| PRINT("sys_fadvise64 ( %ld, %ld, %lu, %ld )", SARG1, SARG2, ARG3, SARG4); |
| PRE_REG_READ4(long, "fadvise64", |
| int, fd, vki_loff_t, offset, vki_size_t, len, int, advice); |
| } |
| |
| // ARM64 FIXME is this correct? |
| PRE(sys_mmap) |
| { |
| SysRes r; |
| |
| PRINT("sys_mmap ( %#lx, %lu, %lu, %#lx, %lu, %lu )", |
| ARG1, ARG2, ARG3, ARG4, ARG5, ARG6 ); |
| PRE_REG_READ6(long, "mmap", |
| 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, ARG6 ); |
| SET_STATUS_from_SysRes(r); |
| } |
| |
| //ZZ |
| //ZZ // XXX: lstat64/fstat64/stat64 are generic, but not necessarily |
| //ZZ // applicable to every architecture -- I think only to 32-bit archs. |
| //ZZ // We're going to need something like linux/core_os32.h for such |
| //ZZ // things, eventually, I think. --njn |
| //ZZ PRE(sys_lstat64) |
| //ZZ { |
| //ZZ PRINT("sys_lstat64 ( %#lx(%s), %#lx )",ARG1,(char*)ARG1,ARG2); |
| //ZZ PRE_REG_READ2(long, "lstat64", char *, file_name, struct stat64 *, buf); |
| //ZZ PRE_MEM_RASCIIZ( "lstat64(file_name)", ARG1 ); |
| //ZZ PRE_MEM_WRITE( "lstat64(buf)", ARG2, sizeof(struct vki_stat64) ); |
| //ZZ } |
| //ZZ |
| //ZZ POST(sys_lstat64) |
| //ZZ { |
| //ZZ vg_assert(SUCCESS); |
| //ZZ if (RES == 0) { |
| //ZZ POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); |
| //ZZ } |
| //ZZ } |
| //ZZ |
| //ZZ PRE(sys_stat64) |
| //ZZ { |
| //ZZ PRINT("sys_stat64 ( %#lx(%s), %#lx )",ARG1,(char*)ARG1,ARG2); |
| //ZZ PRE_REG_READ2(long, "stat64", char *, file_name, struct stat64 *, buf); |
| //ZZ PRE_MEM_RASCIIZ( "stat64(file_name)", ARG1 ); |
| //ZZ PRE_MEM_WRITE( "stat64(buf)", ARG2, sizeof(struct vki_stat64) ); |
| //ZZ } |
| //ZZ |
| //ZZ POST(sys_stat64) |
| //ZZ { |
| //ZZ POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); |
| //ZZ } |
| //ZZ |
| //ZZ PRE(sys_fstatat64) |
| //ZZ { |
| //ZZ PRINT("sys_fstatat64 ( %ld, %#lx(%s), %#lx )",ARG1,ARG2,(char*)ARG2,ARG3); |
| //ZZ PRE_REG_READ3(long, "fstatat64", |
| //ZZ int, dfd, char *, file_name, struct stat64 *, buf); |
| //ZZ PRE_MEM_RASCIIZ( "fstatat64(file_name)", ARG2 ); |
| //ZZ PRE_MEM_WRITE( "fstatat64(buf)", ARG3, sizeof(struct vki_stat64) ); |
| //ZZ } |
| //ZZ |
| //ZZ POST(sys_fstatat64) |
| //ZZ { |
| //ZZ POST_MEM_WRITE( ARG3, sizeof(struct vki_stat64) ); |
| //ZZ } |
| //ZZ |
| //ZZ PRE(sys_fstat64) |
| //ZZ { |
| //ZZ PRINT("sys_fstat64 ( %ld, %#lx )",ARG1,ARG2); |
| //ZZ PRE_REG_READ2(long, "fstat64", unsigned long, fd, struct stat64 *, buf); |
| //ZZ PRE_MEM_WRITE( "fstat64(buf)", ARG2, sizeof(struct vki_stat64) ); |
| //ZZ } |
| //ZZ |
| //ZZ POST(sys_fstat64) |
| //ZZ { |
| //ZZ POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); |
| //ZZ } |
| |
| //ZZ PRE(sys_sigreturn) |
| //ZZ { |
| //ZZ /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for |
| //ZZ an explanation of what follows. */ |
| //ZZ |
| //ZZ PRINT("sys_sigreturn ( )"); |
| //ZZ |
| //ZZ vg_assert(VG_(is_valid_tid)(tid)); |
| //ZZ vg_assert(tid >= 1 && tid < VG_N_THREADS); |
| //ZZ vg_assert(VG_(is_running_thread)(tid)); |
| //ZZ |
| //ZZ /* Restore register state from frame and remove it */ |
| //ZZ VG_(sigframe_destroy)(tid, False); |
| //ZZ |
| //ZZ /* Tell the driver not to update the guest state with the "result", |
| //ZZ and set a bogus result to keep it happy. */ |
| //ZZ *flags |= SfNoWriteResult; |
| //ZZ SET_STATUS_Success(0); |
| //ZZ |
| //ZZ /* Check to see if any signals arose as a result of this. */ |
| //ZZ *flags |= SfPollAfter; |
| //ZZ } |
| |
| 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; |
| } |
| |
| //ZZ /* NB: clone of x86-linux version, and ppc32-linux has an almost |
| //ZZ identical one. */ |
| //ZZ PRE(sys_sigsuspend) |
| //ZZ { |
| //ZZ /* The C library interface to sigsuspend just takes a pointer to |
| //ZZ a signal mask but this system call has three arguments - the first |
| //ZZ two don't appear to be used by the kernel and are always passed as |
| //ZZ zero by glibc and the third is the first word of the signal mask |
| //ZZ so only 32 signals are supported. |
| //ZZ |
| //ZZ In fact glibc normally uses rt_sigsuspend if it is available as |
| //ZZ that takes a pointer to the signal mask so supports more signals. |
| //ZZ */ |
| //ZZ *flags |= SfMayBlock; |
| //ZZ PRINT("sys_sigsuspend ( %ld, %ld, %ld )", ARG1,ARG2,ARG3 ); |
| //ZZ PRE_REG_READ3(int, "sigsuspend", |
| //ZZ int, history0, int, history1, |
| //ZZ vki_old_sigset_t, mask); |
| //ZZ } |
| //ZZ |
| //ZZ /* Very much ARM specific */ |
| //ZZ |
| //ZZ PRE(sys_set_tls) |
| //ZZ { |
| //ZZ PRINT("set_tls (%lx)",ARG1); |
| //ZZ PRE_REG_READ1(long, "set_tls", unsigned long, addr); |
| //ZZ |
| //ZZ SET_STATUS_from_SysRes( sys_set_tls( tid, ARG1 ) ); |
| //ZZ } |
| //ZZ |
| //ZZ PRE(sys_cacheflush) |
| //ZZ { |
| //ZZ PRINT("cacheflush (%lx, %#lx, %#lx)",ARG1,ARG2,ARG3); |
| //ZZ PRE_REG_READ3(long, "cacheflush", void*, addrlow,void*, addrhigh,int, flags); |
| //ZZ VG_(discard_translations)( (Addr)ARG1, |
| //ZZ ((ULong)ARG2) - ((ULong)ARG1) + 1ULL/*paranoia*/, |
| //ZZ "PRE(sys_cacheflush)" ); |
| //ZZ SET_STATUS_Success(0); |
| //ZZ } |
| //ZZ |
| //ZZ // ARG3 is only used for pointers into the traced process's address |
| //ZZ // space and for offsets into the traced process's struct |
| //ZZ // user_regs_struct. It is never a pointer into this process's memory |
| //ZZ // space, and we should therefore not check anything it points to. |
| //ZZ PRE(sys_ptrace) |
| //ZZ { |
| //ZZ PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", ARG1,ARG2,ARG3,ARG4); |
| //ZZ PRE_REG_READ4(int, "ptrace", |
| //ZZ long, request, long, pid, long, addr, long, data); |
| //ZZ switch (ARG1) { |
| //ZZ case VKI_PTRACE_PEEKTEXT: |
| //ZZ case VKI_PTRACE_PEEKDATA: |
| //ZZ case VKI_PTRACE_PEEKUSR: |
| //ZZ PRE_MEM_WRITE( "ptrace(peek)", ARG4, |
| //ZZ sizeof (long)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETREGS: |
| //ZZ PRE_MEM_WRITE( "ptrace(getregs)", ARG4, |
| //ZZ sizeof (struct vki_user_regs_struct)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETFPREGS: |
| //ZZ PRE_MEM_WRITE( "ptrace(getfpregs)", ARG4, |
| //ZZ sizeof (struct vki_user_fp)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETWMMXREGS: |
| //ZZ PRE_MEM_WRITE( "ptrace(getwmmxregs)", ARG4, |
| //ZZ VKI_IWMMXT_SIZE); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETCRUNCHREGS: |
| //ZZ PRE_MEM_WRITE( "ptrace(getcrunchregs)", ARG4, |
| //ZZ VKI_CRUNCH_SIZE); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETVFPREGS: |
| //ZZ PRE_MEM_WRITE( "ptrace(getvfpregs)", ARG4, |
| //ZZ sizeof (struct vki_user_vfp) ); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETHBPREGS: |
| //ZZ PRE_MEM_WRITE( "ptrace(gethbpregs)", ARG4, |
| //ZZ sizeof (unsigned long) ); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_SETREGS: |
| //ZZ PRE_MEM_READ( "ptrace(setregs)", ARG4, |
| //ZZ sizeof (struct vki_user_regs_struct)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_SETFPREGS: |
| //ZZ PRE_MEM_READ( "ptrace(setfpregs)", ARG4, |
| //ZZ sizeof (struct vki_user_fp)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_SETWMMXREGS: |
| //ZZ PRE_MEM_READ( "ptrace(setwmmxregs)", ARG4, |
| //ZZ VKI_IWMMXT_SIZE); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_SETCRUNCHREGS: |
| //ZZ PRE_MEM_READ( "ptrace(setcrunchregs)", ARG4, |
| //ZZ VKI_CRUNCH_SIZE); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_SETVFPREGS: |
| //ZZ PRE_MEM_READ( "ptrace(setvfpregs)", ARG4, |
| //ZZ sizeof (struct vki_user_vfp)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_SETHBPREGS: |
| //ZZ PRE_MEM_READ( "ptrace(sethbpregs)", ARG4, sizeof(unsigned long)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GET_THREAD_AREA: |
| //ZZ PRE_MEM_WRITE( "ptrace(get_thread_area)", ARG4, sizeof(unsigned long)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETEVENTMSG: |
| //ZZ PRE_MEM_WRITE( "ptrace(geteventmsg)", ARG4, sizeof(unsigned long)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETSIGINFO: |
| //ZZ PRE_MEM_WRITE( "ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_SETSIGINFO: |
| //ZZ PRE_MEM_READ( "ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETREGSET: |
| //ZZ ML_(linux_PRE_getregset)(tid, ARG3, ARG4); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_SETREGSET: |
| //ZZ ML_(linux_PRE_setregset)(tid, ARG3, ARG4); |
| //ZZ break; |
| //ZZ default: |
| //ZZ break; |
| //ZZ } |
| //ZZ } |
| //ZZ |
| //ZZ POST(sys_ptrace) |
| //ZZ { |
| //ZZ switch (ARG1) { |
| //ZZ case VKI_PTRACE_PEEKTEXT: |
| //ZZ case VKI_PTRACE_PEEKDATA: |
| //ZZ case VKI_PTRACE_PEEKUSR: |
| //ZZ POST_MEM_WRITE( ARG4, sizeof (long)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETREGS: |
| //ZZ POST_MEM_WRITE( ARG4, sizeof (struct vki_user_regs_struct)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETFPREGS: |
| //ZZ POST_MEM_WRITE( ARG4, sizeof (struct vki_user_fp)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETWMMXREGS: |
| //ZZ POST_MEM_WRITE( ARG4, VKI_IWMMXT_SIZE); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETCRUNCHREGS: |
| //ZZ POST_MEM_WRITE( ARG4, VKI_CRUNCH_SIZE); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETVFPREGS: |
| //ZZ POST_MEM_WRITE( ARG4, sizeof(struct vki_user_vfp)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GET_THREAD_AREA: |
| //ZZ case VKI_PTRACE_GETHBPREGS: |
| //ZZ case VKI_PTRACE_GETEVENTMSG: |
| //ZZ POST_MEM_WRITE( ARG4, sizeof(unsigned long)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETSIGINFO: |
| //ZZ /* XXX: This is a simplification. Different parts of the |
| //ZZ * siginfo_t are valid depending on the type of signal. |
| //ZZ */ |
| //ZZ POST_MEM_WRITE( ARG4, sizeof(vki_siginfo_t)); |
| //ZZ break; |
| //ZZ case VKI_PTRACE_GETREGSET: |
| //ZZ ML_(linux_POST_getregset)(tid, ARG3, ARG4); |
| //ZZ break; |
| //ZZ default: |
| //ZZ break; |
| //ZZ } |
| //ZZ } |
| //ZZ |
| //ZZ #undef PRE |
| //ZZ #undef POST |
| |
| /* --------------------------------------------------------------------- |
| The arm64/Linux syscall table |
| ------------------------------------------------------------------ */ |
| |
| //ZZ #if 0 |
| //ZZ #define __NR_OABI_SYSCALL_BASE 0x900000 |
| //ZZ #else |
| //ZZ #define __NR_OABI_SYSCALL_BASE 0x0 |
| //ZZ #endif |
| |
| #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(arm64_linux, sysno, name) |
| #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(arm64_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 arm64 (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[] = { |
| LINXY(__NR_io_setup, sys_io_setup), // 0 |
| LINX_(__NR_io_destroy, sys_io_destroy), // 1 |
| LINX_(__NR_io_submit, sys_io_submit), // 2 |
| LINXY(__NR_io_cancel, sys_io_cancel), // 3 |
| LINXY(__NR_io_getevents, sys_io_getevents), // 4 |
| LINX_(__NR_setxattr, sys_setxattr), // 5 |
| LINX_(__NR_lsetxattr, sys_lsetxattr), // 6 |
| LINX_(__NR_fsetxattr, sys_fsetxattr), // 7 |
| LINXY(__NR_getxattr, sys_getxattr), // 8 |
| LINXY(__NR_lgetxattr, sys_lgetxattr), // 9 |
| LINXY(__NR_fgetxattr, sys_fgetxattr), // 10 |
| LINXY(__NR_listxattr, sys_listxattr), // 11 |
| LINXY(__NR_llistxattr, sys_llistxattr), // 12 |
| LINXY(__NR_flistxattr, sys_flistxattr), // 13 |
| LINX_(__NR_removexattr, sys_removexattr), // 14 |
| LINX_(__NR_lremovexattr, sys_lremovexattr), // 15 |
| LINX_(__NR_fremovexattr, sys_fremovexattr), // 16 |
| GENXY(__NR_getcwd, sys_getcwd), // 17 |
| LINXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 18 |
| LINXY(__NR_eventfd2, sys_eventfd2), // 19 |
| LINXY(__NR_epoll_create1, sys_epoll_create1), // 20 |
| LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 21 |
| LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 22 |
| GENXY(__NR_dup, sys_dup), // 23 |
| LINXY(__NR_dup3, sys_dup3), // 24 |
| LINXY(__NR_fcntl, sys_fcntl), // 25 |
| LINXY(__NR_inotify_init1, sys_inotify_init1), // 26 |
| LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 27 |
| LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 28 |
| LINXY(__NR_ioctl, sys_ioctl), // 29 |
| LINX_(__NR_ioprio_set, sys_ioprio_set), // 30 |
| LINX_(__NR_ioprio_get, sys_ioprio_get), // 31 |
| GENX_(__NR_flock, sys_flock), // 32 |
| LINX_(__NR_mknodat, sys_mknodat), // 33 |
| LINX_(__NR_mkdirat, sys_mkdirat), // 34 |
| LINX_(__NR_unlinkat, sys_unlinkat), // 35 |
| LINX_(__NR_symlinkat, sys_symlinkat), // 36 |
| LINX_(__NR_linkat, sys_linkat), // 37 |
| LINX_(__NR_renameat, sys_renameat), // 38 |
| LINX_(__NR_umount2, sys_umount), // 39 |
| LINX_(__NR_mount, sys_mount), // 40 |
| LINX_(__NR_pivot_root, sys_pivot_root), // 41 |
| // (__NR_nfsservctl, sys_ni_syscall), // 42 |
| GENXY(__NR_statfs, sys_statfs), // 43 |
| GENXY(__NR_fstatfs, sys_fstatfs), // 44 |
| GENX_(__NR_truncate, sys_truncate), // 45 |
| GENX_(__NR_ftruncate, sys_ftruncate), // 46 |
| LINX_(__NR_fallocate, sys_fallocate), // 47 |
| LINX_(__NR_faccessat, sys_faccessat), // 48 |
| GENX_(__NR_chdir, sys_chdir), // 49 |
| GENX_(__NR_fchdir, sys_fchdir), // 50 |
| GENX_(__NR_chroot, sys_chroot), // 51 |
| GENX_(__NR_fchmod, sys_fchmod), // 52 |
| LINX_(__NR_fchmodat, sys_fchmodat), // 53 |
| LINX_(__NR_fchownat, sys_fchownat), // 54 |
| GENX_(__NR_fchown, sys_fchown), // 55 |
| LINXY(__NR_openat, sys_openat), // 56 |
| GENXY(__NR_close, sys_close), // 57 |
| LINX_(__NR_vhangup, sys_vhangup), // 58 |
| LINXY(__NR_pipe2, sys_pipe2), // 59 |
| LINX_(__NR_quotactl, sys_quotactl), // 60 |
| GENXY(__NR_getdents64, sys_getdents64), // 61 |
| LINX_(__NR_lseek, sys_lseek), // 62 |
| GENXY(__NR_read, sys_read), // 63 |
| GENX_(__NR_write, sys_write), // 64 |
| GENXY(__NR_readv, sys_readv), // 65 |
| GENX_(__NR_writev, sys_writev), // 66 |
| GENXY(__NR_pread64, sys_pread64), // 67 |
| GENX_(__NR_pwrite64, sys_pwrite64), // 68 |
| LINXY(__NR_preadv, sys_preadv), // 69 |
| LINX_(__NR_pwritev, sys_pwritev), // 70 |
| LINXY(__NR_sendfile, sys_sendfile), // 71 |
| LINXY(__NR_pselect6, sys_pselect6), // 72 |
| LINXY(__NR_ppoll, sys_ppoll), // 73 |
| LINXY(__NR_signalfd4, sys_signalfd4), // 74 |
| LINX_(__NR_vmsplice, sys_vmsplice), // 75 |
| LINX_(__NR_splice, sys_splice), // 76 |
| LINX_(__NR_tee, sys_tee), // 77 |
| LINX_(__NR_readlinkat, sys_readlinkat), // 78 |
| LINXY(__NR_newfstatat, sys_newfstatat), // 79 |
| GENXY(__NR_fstat, sys_newfstat), // 80 |
| GENX_(__NR_sync, sys_sync), // 81 |
| GENX_(__NR_fsync, sys_fsync), // 82 |
| GENX_(__NR_fdatasync, sys_fdatasync), // 83 |
| LINX_(__NR_sync_file_range, sys_sync_file_range), // 84 |
| LINXY(__NR_timerfd_create, sys_timerfd_create), // 85 |
| LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 86 |
| LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 87 |
| LINX_(__NR_utimensat, sys_utimensat), // 88 |
| GENX_(__NR_acct, sys_acct), // 89 |
| LINXY(__NR_capget, sys_capget), // 90 |
| LINX_(__NR_capset, sys_capset), // 91 |
| LINX_(__NR_personality, sys_personality), // 92 |
| GENX_(__NR_exit, sys_exit), // 93 |
| LINX_(__NR_exit_group, sys_exit_group), // 94 |
| LINXY(__NR_waitid, sys_waitid), // 95 |
| LINX_(__NR_set_tid_address, sys_set_tid_address), // 96 |
| LINX_(__NR_unshare, sys_unshare), // 97 |
| LINXY(__NR_futex, sys_futex), // 98 |
| LINX_(__NR_set_robust_list, sys_set_robust_list), // 99 |
| LINXY(__NR_get_robust_list, sys_get_robust_list), // 100 |
| GENXY(__NR_nanosleep, sys_nanosleep), // 101 |
| GENXY(__NR_getitimer, sys_getitimer), // 102 |
| GENXY(__NR_setitimer, sys_setitimer), // 103 |
| GENX_(__NR_kexec_load, sys_ni_syscall), // 104 |
| LINX_(__NR_init_module, sys_init_module), // 105 |
| LINX_(__NR_delete_module, sys_delete_module), // 106 |
| LINXY(__NR_timer_create, sys_timer_create), // 107 |
| LINXY(__NR_timer_gettime, sys_timer_gettime), // 108 |
| LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 109 |
| LINXY(__NR_timer_settime, sys_timer_settime), // 110 |
| LINX_(__NR_timer_delete, sys_timer_delete), // 111 |
| LINX_(__NR_clock_settime, sys_clock_settime), // 112 |
| LINXY(__NR_clock_gettime, sys_clock_gettime), // 113 |
| LINXY(__NR_clock_getres, sys_clock_getres), // 114 |
| LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 115 |
| LINXY(__NR_syslog, sys_syslog), // 116 |
| // (__NR_ptrace, sys_ptrace), // 117 |
| LINXY(__NR_sched_setparam, sys_sched_setparam), // 118 |
| LINX_(__NR_sched_setscheduler,sys_sched_setscheduler),// 119 |
| LINX_(__NR_sched_getscheduler,sys_sched_getscheduler),// 120 |
| LINXY(__NR_sched_getparam, sys_sched_getparam), // 121 |
| LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 122 |
| LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 123 |
| LINX_(__NR_sched_yield, sys_sched_yield), // 124 |
| LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max),// 125 |
| LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min),// 126 |
| LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval),// 127 |
| // (__NR_restart_syscall, sys_ni_syscall), // 128 |
| GENX_(__NR_kill, sys_kill), // 129 |
| LINXY(__NR_tkill, sys_tkill), // 130 |
| LINX_(__NR_tgkill, sys_tgkill), // 131 |
| GENXY(__NR_sigaltstack, sys_sigaltstack), // 132 |
| LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 133 |
| LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 134 |
| LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 135 |
| LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 136 |
| LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 137 |
| LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 138 |
| PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 139 |
| GENX_(__NR_setpriority, sys_setpriority), // 140 |
| GENX_(__NR_getpriority, sys_getpriority), // 141 |
| // (__NR_reboot, sys_ni_syscall), // 142 |
| GENX_(__NR_setregid, sys_setregid), // 143 |
| GENX_(__NR_setgid, sys_setgid), // 144 |
| GENX_(__NR_setreuid, sys_setreuid), // 145 |
| GENX_(__NR_setuid, sys_setuid), // 146 |
| LINX_(__NR_setresuid, sys_setresuid), // 147 |
| LINXY(__NR_getresuid, sys_getresuid), // 148 |
| LINX_(__NR_setresgid, sys_setresgid), // 149 |
| LINXY(__NR_getresgid, sys_getresgid), // 150 |
| LINX_(__NR_setfsuid, sys_setfsuid), // 151 |
| LINX_(__NR_setfsgid, sys_setfsgid), // 152 |
| GENXY(__NR_times, sys_times), // 153 |
| GENX_(__NR_setpgid, sys_setpgid), // 154 |
| GENX_(__NR_getpgid, sys_getpgid), // 155 |
| GENX_(__NR_getsid, sys_getsid), // 156 |
| GENX_(__NR_setsid, sys_setsid), // 157 |
| GENXY(__NR_getgroups, sys_getgroups), // 158 |
| GENX_(__NR_setgroups, sys_setgroups), // 159 |
| GENXY(__NR_uname, sys_newuname), // 160 |
| GENX_(__NR_sethostname, sys_sethostname), // 161 |
| // (__NR_setdomainname, sys_ni_syscall), // 162 |
| GENXY(__NR_getrlimit, sys_old_getrlimit), // 163 |
| GENX_(__NR_setrlimit, sys_setrlimit), // 164 |
| GENXY(__NR_getrusage, sys_getrusage), // 165 |
| GENX_(__NR_umask, sys_umask), // 166 |
| LINXY(__NR_prctl, sys_prctl), // 167 |
| LINXY(__NR_getcpu, sys_getcpu), // 168 |
| GENXY(__NR_gettimeofday, sys_gettimeofday), // 169 |
| GENX_(__NR_settimeofday, sys_settimeofday), // 170 |
| LINXY(__NR_adjtimex, sys_adjtimex), // 171 |
| GENX_(__NR_getpid, sys_getpid), // 172 |
| GENX_(__NR_getppid, sys_getppid), // 173 |
| GENX_(__NR_getuid, sys_getuid), // 174 |
| GENX_(__NR_geteuid, sys_geteuid), // 175 |
| GENX_(__NR_getgid, sys_getgid), // 176 |
| GENX_(__NR_getegid, sys_getegid), // 177 |
| LINX_(__NR_gettid, sys_gettid), // 178 |
| LINXY(__NR_sysinfo, sys_sysinfo), // 179 |
| LINXY(__NR_mq_open, sys_mq_open), // 180 |
| LINX_(__NR_mq_unlink, sys_mq_unlink), // 181 |
| LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 182 |
| LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 183 |
| LINX_(__NR_mq_notify, sys_mq_notify), // 184 |
| LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 185 |
| LINX_(__NR_msgget, sys_msgget), // 186 |
| LINXY(__NR_msgctl, sys_msgctl), // 187 |
| LINXY(__NR_msgrcv, sys_msgrcv), // 188 |
| LINX_(__NR_msgsnd, sys_msgsnd), // 189 |
| LINX_(__NR_semget, sys_semget), // 190 |
| LINXY(__NR_semctl, sys_semctl), // 191 |
| LINX_(__NR_semtimedop, sys_semtimedop), // 192 |
| LINX_(__NR_semop, sys_semop), // 193 |
| LINX_(__NR_shmget, sys_shmget), // 194 |
| LINXY(__NR_shmctl, sys_shmctl), // 195 |
| LINXY(__NR_shmat, sys_shmat), // 196 |
| LINXY(__NR_shmdt, sys_shmdt), // 197 |
| LINXY(__NR_socket, sys_socket), // 198 |
| LINXY(__NR_socketpair, sys_socketpair), // 199 |
| LINX_(__NR_bind, sys_bind), // 200 |
| LINX_(__NR_listen, sys_listen), // 201 |
| LINXY(__NR_accept, sys_accept), // 202 |
| LINX_(__NR_connect, sys_connect), // 203 |
| LINXY(__NR_getsockname, sys_getsockname), // 204 |
| LINXY(__NR_getpeername, sys_getpeername), // 205 |
| LINX_(__NR_sendto, sys_sendto), // 206 |
| LINXY(__NR_recvfrom, sys_recvfrom), // 207 |
| LINX_(__NR_setsockopt, sys_setsockopt), // 208 |
| LINXY(__NR_getsockopt, sys_getsockopt), // 209 |
| LINX_(__NR_shutdown, sys_shutdown), // 210 |
| LINX_(__NR_sendmsg, sys_sendmsg), // 211 |
| LINXY(__NR_recvmsg, sys_recvmsg), // 212 |
| LINX_(__NR_readahead, sys_readahead), // 213 |
| GENX_(__NR_brk, sys_brk), // 214 |
| GENXY(__NR_munmap, sys_munmap), // 215 |
| GENX_(__NR_mremap, sys_mremap), // 216 |
| LINX_(__NR_add_key, sys_add_key), // 217 |
| LINX_(__NR_request_key, sys_request_key), // 218 |
| LINXY(__NR_keyctl, sys_keyctl), // 219 |
| LINX_(__NR_clone, sys_clone), // 220 |
| GENX_(__NR_execve, sys_execve), // 221 |
| PLAX_(__NR_mmap, sys_mmap), // 222 |
| PLAX_(__NR_fadvise64, sys_fadvise64), // 223 |
| // (__NR_swapon, sys_swapon), // 224 |
| // (__NR_swapoff, sys_swapoff), // 225 |
| GENXY(__NR_mprotect, sys_mprotect), // 226 |
| GENX_(__NR_msync, sys_msync), // 227 |
| GENX_(__NR_mlock, sys_mlock), // 228 |
| GENX_(__NR_munlock, sys_munlock), // 229 |
| GENX_(__NR_mlockall, sys_mlockall), // 230 |
| LINX_(__NR_munlockall, sys_munlockall), // 231 |
| GENXY(__NR_mincore, sys_mincore), // 232 |
| GENX_(__NR_madvise, sys_madvise), // 233 |
| // (__NR_remap_file_pages, sys_ni_syscall) // 234 |
| LINX_(__NR_mbind, sys_mbind), // 235 |
| LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 236 |
| LINX_(__NR_set_mempolicy, sys_set_mempolicy), // 237 |
| // (__NR_migrate_pages, sys_ni_syscall), // 238 |
| LINXY(__NR_move_pages, sys_move_pages), // 239 |
| LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo), // 240 |
| LINXY(__NR_perf_event_open, sys_perf_event_open), // 241 |
| LINXY(__NR_accept4, sys_accept4), // 242 |
| LINXY(__NR_recvmmsg, sys_recvmmsg), // 243 |
| GENXY(__NR_wait4, sys_wait4), // 260 |
| LINXY(__NR_prlimit64, sys_prlimit64), // 261 |
| LINXY(__NR_fanotify_init, sys_fanotify_init), // 262 |
| LINX_(__NR_fanotify_mark, sys_fanotify_mark), // 263 |
| LINXY(__NR_name_to_handle_at, sys_name_to_handle_at), // 264 |
| LINXY(__NR_open_by_handle_at, sys_open_by_handle_at), // 265 |
| LINXY(__NR_clock_adjtime, sys_clock_adjtime), // 266 |
| LINX_(__NR_syncfs, sys_syncfs), // 267 |
| // (__NR_setns, sys_ni_syscall), // 268 |
| LINXY(__NR_sendmmsg, sys_sendmmsg), // 269 |
| LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 270 |
| LINX_(__NR_process_vm_writev, sys_process_vm_writev), // 271 |
| LINX_(__NR_kcmp, sys_kcmp), // 272 |
| // (__NR_finit_module, sys_ni_syscall), // 273 |
| // (__NR_sched_setattr, sys_ni_syscall), // 274 |
| // (__NR_sched_getattr, sys_ni_syscall), // 275 |
| LINX_(__NR_renameat2, sys_renameat2), // 276 |
| // (__NR_seccomp, sys_ni_syscall), // 277 |
| LINXY(__NR_getrandom, sys_getrandom), // 278 |
| LINXY(__NR_memfd_create, sys_memfd_create), // 279 |
| // (__NR_bpf, sys_ni_syscall) // 280 |
| // (__NR_execveat, sys_ni_syscall), // 281 |
| // (__NR_userfaultfd, sys_ni_syscall), // 282 |
| // (__NR_membarrier, sys_ni_syscall), // 283 |
| // (__NR_mlock2, sys_ni_syscall), // 284 |
| // (__NR_copy_file_range, sys_ni_syscall), // 285 |
| // (__NR_preadv2, sys_ni_syscall), // 286 |
| // (__NR_pwritev2, sys_ni_syscall), // 287 |
| // (__NR_pkey_mprotect, sys_ni_syscall), // 288 |
| // (__NR_pkey_alloc, sys_ni_syscall), // 289 |
| // (__NR_pkey_free, sys_ni_syscall), // 290 |
| }; |
| |
| |
| //ZZ /* These are not in the main table because there indexes are not small |
| //ZZ integers, but rather values close to one million. So their |
| //ZZ inclusion would force the main table to be huge (about 8 MB). */ |
| //ZZ |
| //ZZ static SyscallTableEntry ste___ARM_set_tls |
| //ZZ = { WRAPPER_PRE_NAME(arm_linux,sys_set_tls), NULL }; |
| //ZZ |
| //ZZ static SyscallTableEntry ste___ARM_cacheflush |
| //ZZ = { 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; |
| } |
| |
| //ZZ /* Check if it's one of the out-of-line entries. */ |
| //ZZ switch (sysno) { |
| //ZZ case __NR_ARM_set_tls: return &ste___ARM_set_tls; |
| //ZZ case __NR_ARM_cacheflush: return &ste___ARM_cacheflush; |
| //ZZ default: break; |
| //ZZ } |
| |
| /* Can't find a wrapper */ |
| return NULL; |
| } |
| |
| #endif // defined(VGP_arm64_linux) |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end syswrap-arm64-linux.c ---*/ |
| /*--------------------------------------------------------------------*/ |