| |
| /*--------------------------------------------------------------------*/ |
| /*--- Platform-specific syscalls stuff. syswrap-tilegx-linux.c ----*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2010-2015 Tilera Corp. |
| |
| 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. |
| */ |
| |
| /* Contributed by Zhi-Gang Liu */ |
| |
| #if defined(VGP_tilegx_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_stacks.h" // VG_(register_stack) |
| #include "pub_core_transtab.h" // VG_(discard_translations) |
| #include "priv_types_n_macros.h" |
| #include "priv_syswrap-generic.h" /* for decls of generic wrappers */ |
| #include "priv_syswrap-linux.h" /* for decls of linux wrappers */ |
| #include "priv_syswrap-main.h" |
| |
| #include "pub_core_debuginfo.h" // VG_(di_notify_*) |
| #include "pub_core_xarray.h" |
| #include "pub_core_clientstate.h" // VG_(brk_base), VG_(brk_limit) |
| #include "pub_core_errormgr.h" |
| #include "pub_core_libcfile.h" |
| #include "pub_core_machine.h" // VG_(get_SP) |
| #include "pub_core_mallocfree.h" |
| #include "pub_core_stacktrace.h" // For VG_(get_and_pp_StackTrace)() |
| #include "pub_core_ume.h" |
| |
| #include "config.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" |
| " {\n" |
| " move sp, r0\n\t" |
| " move r51, r2\n\t" |
| " }\n" |
| " {\n" |
| " move r0, r3\n\t" |
| " move r1, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r2, zero\n\t" |
| " move r3, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r4, zero\n\t" |
| " move r5, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r6, zero\n\t" |
| " move r7, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r8, zero\n\t" |
| " move r9, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r10, zero\n\t" |
| " move r11, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r12, zero\n\t" |
| " move r13, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r14, zero\n\t" |
| " move r15, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r16, zero\n\t" |
| " move r17, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r18, zero\n\t" |
| " move r19, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r20, zero\n\t" |
| " move r21, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r22, zero\n\t" |
| " move r23, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r24, zero\n\t" |
| " move r25, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r26, zero\n\t" |
| " move r27, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r28, zero\n\t" |
| " move r29, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r30, zero\n\t" |
| " move r31, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r32, zero\n\t" |
| " move r33, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r34, zero\n\t" |
| " move r35, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r36, zero\n\t" |
| " move r37, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r38, zero\n\t" |
| " move r39, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r40, zero\n\t" |
| " move r41, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r42, zero\n\t" |
| " move r43, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r44, zero\n\t" |
| " move r45, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r46, zero\n\t" |
| " move r47, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r48, zero\n\t" |
| " move r49, zero\n\t" |
| " }\n" |
| " {\n" |
| " move r50, zero\n\t" |
| " jr r51\n\t" |
| " }\n" |
| " ill \n" // should never get here |
| ); |
| /* |
| 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 r0 |
| void* child_stack in r1 |
| int flags in r2 |
| void* arg in r3 |
| pid_t* child_tid in r4 |
| pid_t* parent_tid in r5 |
| void* tls_ptr in r6 |
| |
| System call requires: |
| int $__NR_clone in r10 |
| int flags in r0 |
| void* child_stack in r1 |
| pid_t* parent_tid in r2 |
| void* tls_ptr in $r3 |
| pid_t* child_tid in sr4 |
| |
| int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg, |
| void *parent_tidptr, void *tls, void *child_tidptr) |
| |
| Returns an Int encoded in the linux-tilegx way, not a SysRes. |
| */ |
| #define __NR_CLONE VG_STRINGIFY(__NR_clone) |
| #define __NR_EXIT VG_STRINGIFY(__NR_exit) |
| |
| Long do_syscall_clone_tilegx_linux ( Word (*fn) (void *), //r0 |
| void *stack, //r1 |
| Long flags, //r2 |
| void *arg, //r3 |
| Long * child_tid, //r4 |
| Long * parent_tid, //r5 |
| Long tls ); //r6 |
| /* |
| stack |
| high -> 4 r29 |
| 3 |
| 2 |
| 1 r10 |
| low -> 0 lr <- sp |
| */ |
| asm ( |
| ".text\n" |
| " .globl do_syscall_clone_tilegx_linux\n" |
| " do_syscall_clone_tilegx_linux:\n" |
| " beqz r0, .Linvalid\n" |
| " beqz r1, .Linvalid\n" |
| " {\n" |
| " st sp, r29; " // save r29 at top |
| " addli sp, sp, -32\n" // open new stack space |
| " }\n" |
| |
| " move r29, sp; " // r29 <- sp |
| " st r29, lr\n" // save lr at 0(sp) |
| |
| " addi r29, r29, 8\n" |
| " {\n" |
| " st r29, r10\n" // save r10 at 8(sp) |
| /* setup child stack */ |
| " addi r1, r1, -32\n" // new stack frame for child |
| " }\n" |
| /* save fn */ |
| " { st r1, r0; addi r1, r1, 8 }\n" |
| /* save args */ |
| " { st r1, r3; addi r1, r1, 8 }\n" |
| /* save flags */ |
| " { st r1, r2; addi r1, r1, -16 }\n" |
| |
| /* Child stack layout |
| |
| flags |
| args |
| r1-> fn |
| */ |
| " {\n" |
| /* prepare args for clone. */ |
| " move r0, r2\n" // arg0 = flags |
| /* arg1=r1 child stack */ |
| " move r2, r5\n" // arg2 = parent tid |
| " }\n" |
| " {\n" |
| " move r3, r4\n" // arg3 = child tid |
| " move r4, r6\n" // arg4 = tls |
| " }\n" |
| " moveli r10, " __NR_CLONE "\n" |
| " swint1\n" |
| |
| " beqz r0, .Lchild\n" |
| " move r29, sp\n" |
| " ld lr, r29\n" // Restore lr |
| " addi r29, r29, 8\n" |
| " {\n" |
| " ld r10, r29\n" // resotre r10 |
| " addi sp, sp, 32\n" |
| " }\n" |
| " ld r29, sp\n" |
| " jrp lr\n" |
| |
| ".Lchild:" |
| " move r2, sp\n" |
| " {\n" |
| " ld r3, r2\n" |
| " addi r2, r2, 8\n" |
| " }\n" |
| " ld r0, r2\n" |
| " jalr r3\n" |
| " moveli r10, " __NR_EXIT "\n" |
| " swint1\n" |
| |
| ".Linvalid:" |
| " { movei r1, 22; jrp lr }\n" |
| ); |
| |
| #undef __NR_CLONE |
| #undef __NR_EXIT |
| |
| // forward declarations |
| static void setup_child ( ThreadArchState *, ThreadArchState * ); |
| static SysRes sys_set_tls ( ThreadId tid, Addr tlsptr ); |
| /* |
| When a client clones, we need to keep track of the new thread. This means: |
| 1. allocate a ThreadId+ThreadState+stack for the 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, |
| Long flags, Addr sp, |
| Long * parent_tidptr, |
| Long * child_tidptr, |
| Addr child_tls ) |
| { |
| const Bool debug = False; |
| ThreadId ctid = VG_ (alloc_ThreadState) (); |
| ThreadState * ptst = VG_ (get_ThreadState) (ptid); |
| ThreadState * ctst = VG_ (get_ThreadState) (ctid); |
| Long ret = 0; |
| Long * 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 = (Long *) ML_ (allocstack) (ctid); |
| if (stack == NULL) { |
| res = VG_ (mk_SysRes_Error) (VKI_ENOMEM); |
| goto out; |
| } |
| setup_child (&ctst->arch, &ptst->arch); |
| |
| /* On TILEGX we need to set r0 and r3 to zero */ |
| ctst->arch.vex.guest_r0 = 0; |
| ctst->arch.vex.guest_r3 = 0; |
| if (sp != 0) |
| ctst->arch.vex.guest_r54 = 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_TRACK (pre_thread_ll_create, ptid, ctid); |
| if (flags & VKI_CLONE_SETTLS) { |
| if (debug) |
| VG_(printf)("clone child has SETTLS: tls at %#lx\n", child_tls); |
| ctst->arch.vex.guest_r53 = child_tls; |
| res = sys_set_tls(ctid, child_tls); |
| if (sr_isError(res)) |
| goto out; |
| } |
| |
| flags &= ~VKI_CLONE_SETTLS; |
| VG_ (sigprocmask) (VKI_SIG_SETMASK, &blockall, &savedmask); |
| /* Create the new thread */ |
| ret = do_syscall_clone_tilegx_linux (ML_ (start_thread_NORETURN), |
| stack, flags, &VG_ (threads)[ctid], |
| child_tidptr, parent_tidptr, |
| (Long)NULL /*child_tls*/); |
| |
| /* High half word64 is syscall return value. */ |
| if (debug) |
| VG_(printf)("ret: 0x%llx\n", (ULong)ret); |
| |
| res = VG_(mk_SysRes_tilegx_linux) (/*val */ ret); |
| |
| VG_ (sigprocmask) (VKI_SIG_SETMASK, &savedmask, NULL); |
| |
| out: |
| if (sr_isError (res)) { |
| VG_(cleanup_thread) (&ctst->arch); |
| ctst->status = VgTs_Empty; |
| VG_TRACK (pre_thread_ll_exit, ctid); |
| } |
| ptst->arch.vex.guest_r0 = 0; |
| |
| return res; |
| } |
| |
| extern Addr do_brk ( Addr newbrk ); |
| |
| extern |
| SysRes do_mremap( Addr old_addr, SizeT old_len, |
| Addr new_addr, SizeT new_len, |
| UWord flags, ThreadId tid ); |
| |
| extern Bool linux_kernel_2_6_22(void); |
| |
| /* --------------------------------------------------------------------- |
| More thread stuff |
| ------------------------------------------------------------------ */ |
| |
| // TILEGX 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 ) |
| { |
| /* We inherit our parent's guest state. */ |
| child->vex = parent->vex; |
| child->vex_shadow1 = parent->vex_shadow1; |
| child->vex_shadow2 = parent->vex_shadow2; |
| } |
| |
| SysRes sys_set_tls ( ThreadId tid, Addr tlsptr ) |
| { |
| VG_(threads)[tid].arch.vex.guest_r53 = tlsptr; |
| return VG_(mk_SysRes_Success)( 0 ); |
| } |
| |
| |
| /* --------------------------------------------------------------------- |
| PRE/POST wrappers for tilegx/Linux-specific syscalls |
| ------------------------------------------------------------------ */ |
| #define PRE(name) DEFN_PRE_TEMPLATE(tilegx_linux, name) |
| #define POST(name) DEFN_POST_TEMPLATE(tilegx_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 (tilegx_linux, sys_clone); |
| DECL_TEMPLATE (tilegx_linux, sys_rt_sigreturn); |
| DECL_TEMPLATE (tilegx_linux, sys_socket); |
| DECL_TEMPLATE (tilegx_linux, sys_setsockopt); |
| DECL_TEMPLATE (tilegx_linux, sys_getsockopt); |
| DECL_TEMPLATE (tilegx_linux, sys_connect); |
| DECL_TEMPLATE (tilegx_linux, sys_accept); |
| DECL_TEMPLATE (tilegx_linux, sys_accept4); |
| DECL_TEMPLATE (tilegx_linux, sys_sendto); |
| DECL_TEMPLATE (tilegx_linux, sys_recvfrom); |
| DECL_TEMPLATE (tilegx_linux, sys_sendmsg); |
| DECL_TEMPLATE (tilegx_linux, sys_recvmsg); |
| DECL_TEMPLATE (tilegx_linux, sys_shutdown); |
| DECL_TEMPLATE (tilegx_linux, sys_bind); |
| DECL_TEMPLATE (tilegx_linux, sys_listen); |
| DECL_TEMPLATE (tilegx_linux, sys_getsockname); |
| DECL_TEMPLATE (tilegx_linux, sys_getpeername); |
| DECL_TEMPLATE (tilegx_linux, sys_socketpair); |
| DECL_TEMPLATE (tilegx_linux, sys_semget); |
| DECL_TEMPLATE (tilegx_linux, sys_semop); |
| DECL_TEMPLATE (tilegx_linux, sys_semtimedop); |
| DECL_TEMPLATE (tilegx_linux, sys_semctl); |
| DECL_TEMPLATE (tilegx_linux, sys_msgget); |
| DECL_TEMPLATE (tilegx_linux, sys_msgrcv); |
| DECL_TEMPLATE (tilegx_linux, sys_msgsnd); |
| DECL_TEMPLATE (tilegx_linux, sys_msgctl); |
| DECL_TEMPLATE (tilegx_linux, sys_shmget); |
| DECL_TEMPLATE (tilegx_linux, wrap_sys_shmat); |
| DECL_TEMPLATE (tilegx_linux, sys_shmdt); |
| DECL_TEMPLATE (tilegx_linux, sys_shmdt); |
| DECL_TEMPLATE (tilegx_linux, sys_shmctl); |
| DECL_TEMPLATE (tilegx_linux, sys_arch_prctl); |
| DECL_TEMPLATE (tilegx_linux, sys_ptrace); |
| DECL_TEMPLATE (tilegx_linux, sys_fadvise64); |
| DECL_TEMPLATE (tilegx_linux, sys_mmap); |
| DECL_TEMPLATE (tilegx_linux, sys_syscall184); |
| DECL_TEMPLATE (tilegx_linux, sys_cacheflush); |
| DECL_TEMPLATE (tilegx_linux, sys_set_dataplane); |
| |
| PRE(sys_clone) |
| { |
| ULong 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, |
| int *, child_tidptr, |
| void *, tlsaddr); |
| |
| 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)", ARG4, sizeof(Int)); |
| if (!VG_(am_is_valid_for_client)(ARG4, sizeof(Int), VKI_PROT_WRITE)) { |
| 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 */ |
| (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( |
| ML_(do_fork_clone)(tid, |
| cloneflags, /* flags */ |
| (Int *)ARG3, /* parent_tidptr */ |
| (Int *)ARG4)); /* child_tidptr */ |
| break; |
| |
| default: |
| /* should we just ENOSYS? */ |
| VG_(message)(Vg_UserMsg, |
| "Unsupported clone() flags: 0x%lx\n", ARG1); |
| VG_(message)(Vg_UserMsg, |
| "\n"); |
| VG_(message)(Vg_UserMsg, |
| "The only supported clone() uses are:\n"); |
| VG_(message)(Vg_UserMsg, |
| " - via a threads library (LinuxThreads or NPTL)\n"); |
| VG_(message)(Vg_UserMsg, |
| " - via the implementation of fork or vfork\n"); |
| VG_(unimplemented) |
| ("Valgrind does not support general clone()."); |
| } |
| |
| if (SUCCESS) { |
| if (ARG1 & VKI_CLONE_PARENT_SETTID) |
| POST_MEM_WRITE(ARG3, sizeof(Int)); |
| if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) |
| POST_MEM_WRITE(ARG4, sizeof(Int)); |
| |
| /* Thread creation was successful; let the child have the chance |
| to run */ |
| *flags |= SfYieldAfter; |
| } |
| } |
| |
| PRE(sys_rt_sigreturn) |
| { |
| /* This isn't really a syscall at all - it's a misuse of the |
| syscall mechanism by m_sigframe. VG_(sigframe_create) sets the |
| return address of the signal frames it creates to be a short |
| piece of code which does this "syscall". The only purpose of |
| the syscall is to call VG_(sigframe_destroy), which restores the |
| thread's registers from the frame and then removes it. |
| Consequently we must ask the syswrap driver logic not to write |
| back the syscall "result" as that would overwrite the |
| just-restored register state. */ |
| |
| ThreadState* tst; |
| PRINT("sys_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 RSP to point to start of frame; skip back up over handler |
| ret addr */ |
| tst = VG_(get_ThreadState)(tid); |
| tst->arch.vex.guest_r54 -= sizeof(Addr); |
| |
| /* This is only so that the RIP is (might be) useful to report if |
| something goes wrong in the sigreturn. JRS 20070318: no idea |
| what this is for */ |
| ML_(fixup_guest_state_to_restart_syscall)(&tst->arch); |
| |
| /* Restore register state from frame and remove it, as |
| described above */ |
| VG_(sigframe_destroy)(tid, True); |
| |
| /* Tell the driver not to update the guest state with the "result", |
| and set a bogus result to keep it happy. */ |
| *flags |= SfNoWriteResult; |
| SET_STATUS_Success(0); |
| |
| /* Check to see if any signals arose as a result of this. */ |
| *flags |= SfPollAfter; |
| } |
| |
| PRE(sys_arch_prctl) |
| { |
| PRINT( "arch_prctl ( %ld, %lx )", SARG1, ARG2 ); |
| |
| vg_assert(VG_(is_valid_tid)(tid)); |
| vg_assert(tid >= 1 && tid < VG_N_THREADS); |
| vg_assert(VG_(is_running_thread)(tid)); |
| |
| I_die_here; |
| } |
| |
| // Parts of this are tilegx-specific, but the *PEEK* cases are generic. |
| // |
| // 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, unsigned long, addr, unsigned 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; |
| #if 0 // FIXME |
| case VKI_PTRACE_GETFPREGS: |
| PRE_MEM_WRITE( "ptrace(getfpregs)", ARG4, |
| sizeof (struct vki_user_i387_struct)); |
| break; |
| #endif |
| case VKI_PTRACE_SETREGS: |
| PRE_MEM_READ( "ptrace(setregs)", ARG4, |
| sizeof (struct vki_user_regs_struct)); |
| break; |
| #if 0 // FIXME |
| case VKI_PTRACE_SETFPREGS: |
| PRE_MEM_READ( "ptrace(setfpregs)", ARG4, |
| sizeof (struct vki_user_i387_struct)); |
| break; |
| #endif |
| 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; |
| 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; |
| #if 0 // FIXME |
| case VKI_PTRACE_GETFPREGS: |
| POST_MEM_WRITE( ARG4, sizeof (struct vki_user_i387_struct)); |
| break; |
| #endif |
| 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; |
| default: |
| break; |
| } |
| } |
| |
| PRE(sys_socket) |
| { |
| PRINT("sys_socket ( %ld, %ld, %ld )", SARG1, SARG2, SARG3); |
| PRE_REG_READ3(long, "socket", int, domain, int, type, int, protocol); |
| } |
| POST(sys_socket) |
| { |
| SysRes r; |
| vg_assert(SUCCESS); |
| r = ML_(generic_POST_sys_socket)(tid, VG_(mk_SysRes_Success)(RES)); |
| SET_STATUS_from_SysRes(r); |
| } |
| |
| PRE(sys_setsockopt) |
| { |
| PRINT("sys_setsockopt ( %ld, %ld, %ld, %#lx, %ld )", SARG1, SARG2, SARG3, |
| ARG4, SARG5); |
| PRE_REG_READ5(long, "setsockopt", |
| int, s, int, level, int, optname, |
| const void *, optval, int, optlen); |
| ML_(generic_PRE_sys_setsockopt)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); |
| } |
| |
| PRE(sys_getsockopt) |
| { |
| PRINT("sys_getsockopt ( %ld, %ld, %ld, %#lx, %#lx )", SARG1, SARG2, SARG3, |
| ARG4, ARG5); |
| PRE_REG_READ5(long, "getsockopt", |
| int, s, int, level, int, optname, |
| void *, optval, int, *optlen); |
| ML_(linux_PRE_sys_getsockopt)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); |
| } |
| POST(sys_getsockopt) |
| { |
| vg_assert(SUCCESS); |
| ML_(linux_POST_sys_getsockopt)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3,ARG4,ARG5); |
| } |
| |
| PRE(sys_connect) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_connect ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); |
| PRE_REG_READ3(long, "connect", |
| int, sockfd, struct sockaddr *, serv_addr, int, addrlen); |
| ML_(generic_PRE_sys_connect)(tid, ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_accept) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_accept ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); |
| PRE_REG_READ3(long, "accept", |
| int, s, struct sockaddr *, addr, int *, addrlen); |
| ML_(generic_PRE_sys_accept)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_accept) |
| { |
| SysRes r; |
| vg_assert(SUCCESS); |
| r = ML_(generic_POST_sys_accept)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3); |
| SET_STATUS_from_SysRes(r); |
| } |
| |
| PRE(sys_accept4) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_accept4 ( %ld, %#lx, %#lx, %ld )", SARG1, ARG2, ARG3, SARG4); |
| PRE_REG_READ4(long, "accept4", |
| int, s, struct sockaddr *, addr, int *, addrlen, int, flags); |
| ML_(generic_PRE_sys_accept)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_accept4) |
| { |
| SysRes r; |
| vg_assert(SUCCESS); |
| r = ML_(generic_POST_sys_accept)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3); |
| SET_STATUS_from_SysRes(r); |
| } |
| |
| PRE(sys_sendto) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_sendto ( %ld, %#lx, %ld, %lu, %#lx, %ld )", SARG1, ARG2, SARG3, |
| ARG4, ARG5, SARG6); |
| PRE_REG_READ6(long, "sendto", |
| int, s, const void *, msg, int, len, |
| unsigned int, flags, |
| const struct sockaddr *, to, int, tolen); |
| ML_(generic_PRE_sys_sendto)(tid, ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); |
| } |
| |
| PRE(sys_recvfrom) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_recvfrom ( %ld, %#lx, %ld, %lu, %#lx, %#lx )", SARG1, ARG2, SARG3, |
| ARG4, ARG5, ARG6); |
| PRE_REG_READ6(long, "recvfrom", |
| int, s, void *, buf, int, len, unsigned int, flags, |
| struct sockaddr *, from, int *, fromlen); |
| ML_(generic_PRE_sys_recvfrom)(tid, ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); |
| } |
| POST(sys_recvfrom) |
| { |
| vg_assert(SUCCESS); |
| ML_(generic_POST_sys_recvfrom)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); |
| } |
| |
| PRE(sys_sendmsg) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_sendmsg ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); |
| PRE_REG_READ3(long, "sendmsg", |
| int, s, const struct msghdr *, msg, int, flags); |
| ML_(generic_PRE_sys_sendmsg)(tid, "msg", ARG2); |
| } |
| |
| PRE(sys_recvmsg) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_recvmsg ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); |
| PRE_REG_READ3(long, "recvmsg", int, s, struct msghdr *, msg, int, flags); |
| ML_(generic_PRE_sys_recvmsg)(tid, "msg", (struct vki_msghdr *) ARG2); |
| } |
| |
| POST(sys_recvmsg) |
| { |
| ML_(generic_POST_sys_recvmsg)(tid, "msg", (struct vki_msghdr *)ARG2, RES); |
| } |
| |
| PRE(sys_shutdown) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_shutdown ( %ld, %ld )", SARG1, SARG2); |
| PRE_REG_READ2(int, "shutdown", int, s, int, how); |
| } |
| |
| PRE(sys_bind) |
| { |
| PRINT("sys_bind ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); |
| PRE_REG_READ3(long, "bind", |
| int, sockfd, struct sockaddr *, my_addr, int, addrlen); |
| ML_(generic_PRE_sys_bind)(tid, ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_listen) |
| { |
| PRINT("sys_listen ( %ld, %ld )", SARG1, SARG2); |
| PRE_REG_READ2(long, "listen", int, s, int, backlog); |
| } |
| |
| PRE(sys_getsockname) |
| { |
| PRINT("sys_getsockname ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); |
| PRE_REG_READ3(long, "getsockname", |
| int, s, struct sockaddr *, name, int *, namelen); |
| ML_(generic_PRE_sys_getsockname)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_getsockname) |
| { |
| vg_assert(SUCCESS); |
| ML_(generic_POST_sys_getsockname)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_getpeername) |
| { |
| PRINT("sys_getpeername ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); |
| PRE_REG_READ3(long, "getpeername", |
| int, s, struct sockaddr *, name, int *, namelen); |
| ML_(generic_PRE_sys_getpeername)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_getpeername) |
| { |
| vg_assert(SUCCESS); |
| ML_(generic_POST_sys_getpeername)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_socketpair) |
| { |
| PRINT("sys_socketpair ( %ld, %ld, %ld, %#lx )", SARG1, SARG2, SARG3, ARG4); |
| PRE_REG_READ4(long, "socketpair", |
| int, d, int, type, int, protocol, int*, sv); |
| ML_(generic_PRE_sys_socketpair)(tid, ARG1,ARG2,ARG3,ARG4); |
| } |
| POST(sys_socketpair) |
| { |
| vg_assert(SUCCESS); |
| ML_(generic_POST_sys_socketpair)(tid, VG_(mk_SysRes_Success)(RES), |
| ARG1,ARG2,ARG3,ARG4); |
| } |
| |
| PRE(sys_semget) |
| { |
| PRINT("sys_semget ( %ld, %ld, %ld )", SARG1, SARG2, SARG3); |
| PRE_REG_READ3(long, "semget", vki_key_t, key, int, nsems, int, semflg); |
| } |
| |
| PRE(sys_semop) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_semop ( %ld, %#lx, %lu )", SARG1, ARG2, ARG3); |
| PRE_REG_READ3(long, "semop", |
| int, semid, struct sembuf *, sops, unsigned, nsoops); |
| ML_(generic_PRE_sys_semop)(tid, ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_semtimedop) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_semtimedop ( %ld, %#lx, %lu, %#lx )", SARG1, ARG2, ARG3, ARG4); |
| PRE_REG_READ4(long, "semtimedop", |
| int, semid, struct sembuf *, sops, unsigned, nsoops, |
| struct timespec *, timeout); |
| ML_(generic_PRE_sys_semtimedop)(tid, ARG1,ARG2,ARG3,ARG4); |
| } |
| |
| PRE(sys_semctl) |
| { |
| switch (ARG3 & ~VKI_IPC_64) { |
| case VKI_IPC_INFO: |
| case VKI_SEM_INFO: |
| PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )", SARG1, SARG2, SARG3, ARG4); |
| PRE_REG_READ4(long, "semctl", |
| int, semid, int, semnum, int, cmd, struct seminfo *, arg); |
| break; |
| case VKI_IPC_STAT: |
| case VKI_SEM_STAT: |
| case VKI_IPC_SET: |
| PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )", SARG1, SARG2, SARG3, ARG4); |
| PRE_REG_READ4(long, "semctl", |
| int, semid, int, semnum, int, cmd, struct semid_ds *, arg); |
| break; |
| case VKI_GETALL: |
| case VKI_SETALL: |
| PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )", SARG1, SARG2, SARG3, ARG4); |
| PRE_REG_READ4(long, "semctl", |
| int, semid, int, semnum, int, cmd, unsigned short *, arg); |
| break; |
| default: |
| PRINT("sys_semctl ( %ld, %ld, %ld )", SARG1, SARG2, SARG3); |
| PRE_REG_READ3(long, "semctl", |
| int, semid, int, semnum, int, cmd); |
| break; |
| } |
| ML_(generic_PRE_sys_semctl)(tid, ARG1,ARG2,ARG3|VKI_IPC_64,ARG4); |
| } |
| POST(sys_semctl) |
| { |
| ML_(generic_POST_sys_semctl)(tid, RES,ARG1,ARG2,ARG3|VKI_IPC_64,ARG4); |
| } |
| |
| PRE(sys_msgget) |
| { |
| PRINT("sys_msgget ( %ld, %ld )", SARG1, SARG2); |
| PRE_REG_READ2(long, "msgget", vki_key_t, key, int, msgflg); |
| } |
| |
| PRE(sys_msgsnd) |
| { |
| PRINT("sys_msgsnd ( %ld, %#lx, %lu, %ld )", SARG1, ARG2, ARG3, SARG4); |
| PRE_REG_READ4(long, "msgsnd", |
| int, msqid, struct msgbuf *, msgp, vki_size_t, msgsz, |
| int, msgflg); |
| ML_(linux_PRE_sys_msgsnd)(tid, ARG1,ARG2,ARG3,ARG4); |
| if ((ARG4 & VKI_IPC_NOWAIT) == 0) |
| *flags |= SfMayBlock; |
| } |
| |
| PRE(sys_msgrcv) |
| { |
| PRINT("sys_msgrcv ( %ld, %#lx, %lu, %ld, %ld )", SARG1, ARG2, ARG3, |
| SARG4, SARG5); |
| PRE_REG_READ5(long, "msgrcv", |
| int, msqid, struct msgbuf *, msgp, vki_size_t, msgsz, |
| long, msgytp, int, msgflg); |
| ML_(linux_PRE_sys_msgrcv)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); |
| if ((ARG4 & VKI_IPC_NOWAIT) == 0) |
| *flags |= SfMayBlock; |
| } |
| POST(sys_msgrcv) |
| { |
| ML_(linux_POST_sys_msgrcv)(tid, RES,ARG1,ARG2,ARG3,ARG4,ARG5); |
| } |
| |
| PRE(sys_msgctl) |
| { |
| PRINT("sys_msgctl ( %ld, %ld, %#lx )", SARG1, SARG2, ARG3); |
| PRE_REG_READ3(long, "msgctl", |
| int, msqid, int, cmd, struct msqid_ds *, buf); |
| ML_(linux_PRE_sys_msgctl)(tid, ARG1,ARG2,ARG3); |
| } |
| POST(sys_msgctl) |
| { |
| ML_(linux_POST_sys_msgctl)(tid, RES,ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_shmget) |
| { |
| PRINT("sys_shmget ( %ld, %lu, %ld )", SARG1, ARG2, SARG3); |
| PRE_REG_READ3(long, "shmget", vki_key_t, key, vki_size_t, size, int, shmflg); |
| } |
| |
| PRE(wrap_sys_shmat) |
| { |
| UWord arg2tmp; |
| PRINT("wrap_sys_shmat ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); |
| PRE_REG_READ3(long, "shmat", |
| int, shmid, const void *, shmaddr, int, shmflg); |
| arg2tmp = ML_(generic_PRE_sys_shmat)(tid, ARG1,ARG2,ARG3); |
| if (arg2tmp == 0) |
| SET_STATUS_Failure( VKI_EINVAL ); |
| else |
| ARG2 = arg2tmp; // used in POST |
| } |
| POST(wrap_sys_shmat) |
| { |
| ML_(generic_POST_sys_shmat)(tid, RES,ARG1,ARG2,ARG3); |
| } |
| |
| PRE(sys_shmdt) |
| { |
| PRINT("sys_shmdt ( %#lx )",ARG1); |
| PRE_REG_READ1(long, "shmdt", const void *, shmaddr); |
| if (!ML_(generic_PRE_sys_shmdt)(tid, ARG1)) |
| SET_STATUS_Failure( VKI_EINVAL ); |
| } |
| POST(sys_shmdt) |
| { |
| ML_(generic_POST_sys_shmdt)(tid, RES,ARG1); |
| } |
| |
| PRE(sys_shmctl) |
| { |
| PRINT("sys_shmctl ( %ld, %ld, %#lx )", SARG1, SARG2, ARG3); |
| PRE_REG_READ3(long, "shmctl", |
| int, shmid, int, cmd, struct shmid_ds *, buf); |
| ML_(generic_PRE_sys_shmctl)(tid, ARG1,ARG2|VKI_IPC_64,ARG3); |
| } |
| POST(sys_shmctl) |
| { |
| ML_(generic_POST_sys_shmctl)(tid, RES,ARG1,ARG2|VKI_IPC_64,ARG3); |
| } |
| |
| 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); |
| } |
| |
| PRE(sys_mmap) |
| { |
| SysRes r; |
| |
| PRINT("sys_mmap ( %#lx, %lu, %lu, %lu, %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); |
| } |
| |
| |
| /* --------------------------------------------------------------- |
| PRE/POST wrappers for TILEGX/Linux-variant specific syscalls |
| ------------------------------------------------------------ */ |
| PRE(sys_cacheflush) |
| { |
| PRINT("cacheflush (%lx, %ld, %ld)", ARG1, SARG2, SARG3); |
| PRE_REG_READ3(long, "cacheflush", unsigned long, addr, |
| int, nbytes, int, cache); |
| VG_ (discard_translations) ((Addr)ARG1, (ULong) ARG2, |
| "PRE(sys_cacheflush)"); |
| SET_STATUS_Success(0); |
| } |
| |
| PRE(sys_set_dataplane) |
| { |
| *flags |= SfMayBlock; |
| PRINT("sys_set_dataplane ( %lu )", ARG1); |
| PRE_REG_READ1(long, "set_dataplane", unsigned long, flag); |
| } |
| |
| #undef PRE |
| #undef POST |
| |
| |
| /* --------------------------------------------------------------------- |
| The TILEGX/Linux syscall table |
| ------------------------------------------------------------------ */ |
| |
| /* Add an tilegx-linux specific wrapper to a syscall table. */ |
| #define PLAX_(const, name) WRAPPER_ENTRY_X_(tilegx_linux, const, name) |
| #define PLAXY(const, name) WRAPPER_ENTRY_XY(tilegx_linux, const, name) |
| |
| // This table maps from __NR_xxx syscall numbers (from |
| // linux/include/asm/unistd.h) to the appropriate PRE/POST sys_foo() |
| // |
| // When implementing these wrappers, you need to work out if the wrapper is |
| // generic, Linux-only (but arch-independent), or TILEGX/Linux only. |
| |
| static SyscallTableEntry syscall_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 |
| LINX_(__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 |
| GENXY(__NR_dup2, sys_dup2), // 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 |
| |
| 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 |
| LINX_(__NR_pselect6, sys_pselect6), // 72 |
| LINXY(__NR_ppoll, sys_ppoll), // 73 |
| LINXY(__NR_signalfd4, sys_signalfd4), // 74 |
| LINX_(__NR_splice, sys_splice), // 75 |
| LINX_(__NR_readlinkat, sys_readlinkat), // 78 |
| LINXY(__NR3264_fstatat, 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 |
| |
| 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 |
| 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 |
| 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 |
| PLAXY(__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 |
| |
| GENX_(__NR_kill, sys_kill), // 129 |
| LINXY(__NR_tkill, sys_tkill), // 130 |
| LINXY(__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 |
| |
| 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 |
| GENXY(__NR_getrlimit, sys_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 |
| |
| 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 |
| PLAX_(__NR_msgget, sys_msgget), // 186 |
| PLAXY(__NR_msgctl, sys_msgctl), // 187 |
| PLAXY(__NR_msgrcv, sys_msgrcv), // 188 |
| PLAX_(__NR_msgsnd, sys_msgsnd), // 189 |
| PLAX_(__NR_semget, sys_semget), // 190 |
| PLAXY(__NR_semctl, sys_semctl), // 191 |
| PLAX_(__NR_semtimedop, sys_semtimedop), // 192 |
| PLAX_(__NR_semop, sys_semop), // 193 |
| PLAX_(__NR_shmget, sys_shmget), // 194 |
| PLAXY(__NR_shmat, wrap_sys_shmat), // 196 |
| PLAXY(__NR_shmctl, sys_shmctl), // 195 |
| PLAXY(__NR_shmdt, sys_shmdt), // 197 |
| PLAXY(__NR_socket, sys_socket), // 198 |
| PLAXY(__NR_socketpair, sys_socketpair), // 199 |
| PLAX_(__NR_bind, sys_bind), // 200 |
| PLAX_(__NR_listen, sys_listen), // 201 |
| PLAXY(__NR_accept, sys_accept), // 202 |
| PLAX_(__NR_connect, sys_connect), // 203 |
| PLAXY(__NR_getsockname, sys_getsockname), // 204 |
| PLAXY(__NR_getpeername, sys_getpeername), // 205 |
| PLAX_(__NR_sendto, sys_sendto), // 206 |
| PLAXY(__NR_recvfrom, sys_recvfrom), // 207 |
| PLAX_(__NR_setsockopt, sys_setsockopt), // 208 |
| PLAXY(__NR_getsockopt, sys_getsockopt), // 209 |
| PLAX_(__NR_shutdown, sys_shutdown), // 210 |
| PLAX_(__NR_sendmsg, sys_sendmsg), // 211 |
| PLAXY(__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 |
| PLAX_(__NR_clone, sys_clone), // 220 |
| GENX_(__NR_execve, sys_execve), // 221 |
| PLAX_(__NR_mmap, sys_mmap), // 222 |
| 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 |
| GENX_(__NR_mincore, sys_mincore), // 232 |
| GENX_(__NR_madvise, sys_madvise), // 233 |
| |
| LINX_(__NR_mbind, sys_mbind), // 235 |
| LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 236 |
| LINX_(__NR_set_mempolicy, sys_set_mempolicy), // 237 |
| |
| LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo), // 240 |
| |
| PLAXY(__NR_accept4, sys_accept4), // 242 |
| |
| PLAX_(__NR_cacheflush, sys_cacheflush), // 245 |
| PLAX_(__NR_set_dataplane, sys_set_dataplane), // 246 |
| |
| GENXY(__NR_wait4, sys_wait4), // 260 |
| }; |
| |
| SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno ) |
| { |
| const UInt syscall_table_size |
| = sizeof(syscall_table) / sizeof(syscall_table[0]); |
| |
| /* Is it in the contiguous initial section of the table? */ |
| if (sysno < syscall_table_size) { |
| SyscallTableEntry* sys = &syscall_table[sysno]; |
| if (sys->before == NULL) |
| return NULL; /* no entry */ |
| else |
| return sys; |
| } |
| //vex_printf("sysno: %d\n", sysno); |
| |
| /* Can't find a wrapper */ |
| return NULL; |
| } |
| |
| #endif // defined(VGP_tilegx_linux) |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end syswrap-tilegx-linux.c ---*/ |
| /*--------------------------------------------------------------------*/ |
