Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 569 insertions, 0 deletions

diff --git a/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceLibCWrappers.h b/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceLibCWrappers.h
new file mode 100644
index 00000000..dc2df3c5
--- /dev/null
+++ b/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceLibCWrappers.h
@@ -0,0 +1,100 @@
+/* $Id: VBoxDTraceLibCWrappers.h $ */
+/** @file
+ * VBoxDTraceTLibCWrappers.h - IPRT wrappers/fake for lib C stuff.
+ *
+ * Contributed by: bird
+ */
+
+/*
+ * Copyright (C) 2012-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the Common
+ * Development and Distribution License Version 1.0 (CDDL) only, as it
+ * comes in the "COPYING.CDDL" file of the VirtualBox OSE distribution.
+ * VirtualBox OSE is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY of any kind.
+ */
+
+#ifndef VBOX_INCLUDED_SRC_VBoxDTrace_include_VBoxDTraceLibCWrappers_h
+#define VBOX_INCLUDED_SRC_VBoxDTrace_include_VBoxDTraceLibCWrappers_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef RT_OS_WINDOWS
+# include <process.h>
+#else
+# include <sys/types.h>
+# include <limits.h>        /* Workaround for syslimit.h bug in gcc 4.8.3 on gentoo. */
+# ifdef RT_OS_DARWIN
+#  include <sys/syslimits.h> /* PATH_MAX */
+# elif !defined(RT_OS_SOLARIS)
+#  include <syslimits.h>    /* PATH_MAX */
+# endif
+# include <libgen.h>        /* basename */
+# include <unistd.h>
+# include <strings.h>       /* bzero & bcopy.*/
+#endif
+
+#include <iprt/mem.h>
+#include <iprt/process.h>
+#include <iprt/param.h>
+#include <iprt/alloca.h>
+#include <iprt/assert.h>
+#include <iprt/mem.h>
+#include <iprt/string.h>
+#include <iprt/time.h>
+
+
+#undef gethrtime
+#define gethrtime()                RTTimeNanoTS()
+#undef strcasecmp
+#define strcasecmp(a_psz1, a_psz2) RTStrICmp(a_psz1, a_psz2)
+#undef strncasecmp
+#define strncasecmp(a_psz1, a_psz2, a_cch) RTStrNICmp(a_psz1, a_psz2, a_cch)
+#undef strlcpy
+#define strlcpy(a_pszDst, a_pszSrc, a_cbDst) ((void)RTStrCopy(a_pszDst, a_cbDst, a_pszSrc))
+
+#undef assert
+#define assert(expr)               Assert(expr)
+
+#undef PATH_MAX
+#define PATH_MAX                    RTPATH_MAX
+
+#undef getpid
+#define getpid                      RTProcSelf
+
+#undef basename
+#define basename(a_pszPath)         RTPathFilename(a_pszPath)
+
+#undef malloc
+#define malloc(a_cb)                RTMemAlloc(a_cb)
+#undef calloc
+#define calloc(a_cItems, a_cb)      RTMemAllocZ((size_t)(a_cb) * (a_cItems))
+#undef realloc
+#define realloc(a_pvOld, a_cbNew)   RTMemRealloc(a_pvOld, a_cbNew)
+#undef free
+#define free(a_pv)                  RTMemFree(a_pv)
+
+/* Not using RTStrDup and RTStrNDup here because the allocation won't be freed
+   by RTStrFree and thus may cause trouble when using the efence. */
+#undef strdup
+#define strdup(a_psz)               ((char *)RTMemDup(a_psz, strlen(a_psz) + 1))
+#undef strndup
+#define strndup(a_psz, a_cchMax)    ((char *)RTMemDupEx(a_psz, RTStrNLen(a_psz, a_cchMax), 1))
+
+/* For various stupid reasons, these are duplicated in VBoxDTraceTypes.h. */
+#undef bcopy
+#define bcopy(a_pSrc, a_pDst, a_cb) ((void)memmove(a_pDst, a_pSrc, a_cb))
+#undef bzero
+#define bzero(a_pDst, a_cb)         ((void)memset(a_pDst, 0, a_cb))
+#undef bcmp
+#define bcmp(a_p1, a_p2, a_cb)      (memcmp(a_p1, a_p2, a_cb))
+
+#endif /* !VBOX_INCLUDED_SRC_VBoxDTrace_include_VBoxDTraceLibCWrappers_h */
+
diff --git a/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceTypes.h b/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceTypes.h
new file mode 100644
index 00000000..09db7dad
--- /dev/null
+++ b/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceTypes.h
@@ -0,0 +1,469 @@
+
+/* $Id: VBoxDTraceTypes.h $ */
+/** @file
+ * VBoxDTraceTypes.h - Fake a bunch of Solaris types.
+ *
+ * Contributed by: bird
+ */
+
+/*
+ * Copyright (C) 2012-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the Common
+ * Development and Distribution License Version 1.0 (CDDL) only, as it
+ * comes in the "COPYING.CDDL" file of the VirtualBox OSE distribution.
+ * VirtualBox OSE is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY of any kind.
+ */
+
+#ifndef VBOX_INCLUDED_SRC_VBoxDTrace_include_VBoxDTraceTypes_h
+#define VBOX_INCLUDED_SRC_VBoxDTrace_include_VBoxDTraceTypes_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+#include <iprt/stdarg.h>
+#include <iprt/assert.h>
+#include <iprt/param.h>
+#include <iprt/errno.h>
+#ifdef IN_RING0
+# include <iprt/list.h>
+#endif
+#ifdef IN_RING3
+# include <sys/types.h>
+# include <limits.h>
+# ifdef RT_OS_LINUX
+#  include <sys/ucontext.h> /* avoid greg_t trouble */
+# endif
+# if defined(_MSC_VER)
+#  include <stdio.h>
+# endif
+#endif
+
+RT_C_DECLS_BEGIN
+
+struct modctl;
+
+typedef unsigned char               uchar_t;
+typedef unsigned short              ushort_t;
+typedef unsigned int                uint_t;
+typedef uintptr_t                   ulong_t;
+#ifndef RT_OS_SOLARIS
+typedef int64_t                     longlong_t;
+typedef uint64_t                    u_longlong_t;
+typedef uint64_t                    hrtime_t;
+typedef uint32_t                    id_t;
+typedef uint32_t                    zoneid_t;
+#endif
+#if (!defined(__NGREG) && !defined(NGREG)) || !defined(RT_OS_LINUX)
+typedef RTCCINTREG                  greg_t;
+#else
+AssertCompileSize(greg_t, sizeof(RTCCINTREG));
+#endif
+typedef uintptr_t                   pc_t;
+typedef unsigned int                model_t;
+typedef RTCPUID                     processorid_t;
+#if defined(_MSC_VER) || defined(IN_RING0)
+typedef RTUID                       uid_t;
+typedef RTPROCESS                   pid_t;
+#endif
+#if defined(_MSC_VER) || defined(IN_RING0) || defined(RT_OS_LINUX)
+typedef char                       *caddr_t;
+#endif
+
+#if !defined(NANOSEC) || !defined(RT_OS_SOLARIS)
+# define NANOSEC                    RT_NS_1SEC
+#endif
+#if !defined(MICROSEC) || !defined(RT_OS_SOLARIS)
+# define MICROSEC                   RT_US_1SEC
+#endif
+#if !defined(MILLISEC) || !defined(RT_OS_SOLARIS)
+# define MILLISEC                   RT_MS_1SEC
+#endif
+#if !defined(SEC) || !defined(RT_OS_SOLARIS)
+# define SEC                        (1)
+#endif
+#define MAXPATHLEN                  RTPATH_MAX
+#undef PATH_MAX
+#define PATH_MAX                    RTPATH_MAX
+#undef NBBY
+#define NBBY                        (8)
+#define NCPU                        RTCPUSET_MAX_CPUS
+#define B_FALSE                     (0)
+#define B_TRUE                      (1)
+#define MIN(a1, a2)                 RT_MIN(a1, a2)
+#define MAX(a1, a2)                 RT_MAX(a1, a2)
+#define ABS(a_iValue)               RT_ABS(a_iValue)
+#define IS_P2ALIGNED(uWhat, uAlign) ( !((uWhat) & ((uAlign) - 1)) )
+#define P2ROUNDUP(uWhat, uAlign)    ( ((uWhat) + (uAlign) - 1) & ~(uAlign - 1) )
+#define roundup(uWhat, uUnit)       ( ( (uWhat) + ((uUnit) - 1)) / (uUnit) * (uUnit) )
+
+#if defined(RT_ARCH_X86)
+# ifndef __i386
+#  define __i386                    1
+# endif
+# ifndef __x86
+#  define __x86                     1
+# endif
+# ifndef _IPL32
+#  define _IPL32                    1
+# endif
+# if !defined(_LITTLE_ENDIAN) || !defined(RT_OS_SOLARIS)
+#  define _LITTLE_ENDIAN            1
+# endif
+
+#elif defined(RT_ARCH_AMD64)
+# ifndef __x86_64
+#  define __x86_64                  1
+# endif
+# ifndef __x86
+#  define __x86                     1
+# endif
+# ifndef _LP64
+#  define _LP64                     1
+# endif
+# if !defined(_LITTLE_ENDIAN) || !defined(RT_OS_SOLARIS)
+#  define _LITTLE_ENDIAN            1
+# endif
+
+#else
+# error "unsupported arch!"
+#endif
+
+/** Mark a cast added when porting the code to VBox.
+ * Avoids lots of \#ifdef VBOX otherwise needed to mark up the changes. */
+#define VBDTCAST(a_Type)        (a_Type)
+/** Mark a type change made when porting the code to VBox.
+ * This is usually signed -> unsigned type changes that avoids a whole lot of
+ * comparsion warnings. */
+#define VBDTTYPE(a_VBox, a_Org) a_VBox
+/** Mark missing void in a parameter list. */
+#define VBDTVOID                void
+/** Mark missing static in a function definition. */
+#define VBDTSTATIC              static
+#define VBDTUNASS(a_Value)      = a_Value
+#define VBDTGCC(a_Value)        = a_Value
+#define VBDTMSC(a_Value)        = a_Value
+
+/*
+ * string
+ */
+#ifdef IN_RING0
+# undef bcopy
+# define bcopy(a_pSrc, a_pDst, a_cb) ((void)memmove(a_pDst, a_pSrc, a_cb))
+# undef bzero
+# define bzero(a_pDst, a_cb)        ((void)memset(a_pDst, 0, a_cb))
+# undef bcmp
+# define bcmp(a_p1, a_p2, a_cb)     (memcmp(a_p1, a_p2, a_cb))
+#endif
+#if defined(_MSC_VER) || defined(IN_RING0)
+# define snprintf                   (int)RTStrPrintf    /** @todo wrong return value */
+# define vsnprintf                  (int)RTStrPrintfV   /** @todo wrong return value */
+#endif
+
+/*
+ * Bitmap stuff.
+ */
+#define BT_SIZEOFMAP(a_cBits)       ( (a_cBits + 63) / 8 )
+#define BT_SET(a_aulBitmap, iBit)   ASMBitSet(a_aulBitmap, iBit)
+#define BT_CLEAR(a_aulBitmap, iBit) ASMBitClear(a_aulBitmap, iBit)
+#define BT_TEST(a_aulBitmap, iBit)  ASMBitTest(a_aulBitmap, iBit)
+#if ARCH_BITS == 32
+# define BT_NBIPUL                  32
+# define BT_ULSHIFT                 5 /* log2(32) = 5 */
+# define BT_ULMASK                  0x1f
+# define BT_BITOUL(a_cBits)         ( ((a_cBits) + 31) / 32 )
+#elif ARCH_BITS == 64
+# define BT_NBIPUL                  64
+# define BT_ULSHIFT                 6 /* log2(32) = 6 */
+# define BT_ULMASK                  0x3f
+# define BT_BITOUL(a_cBits)         ( ((a_cBits) + 63) / 64 )
+#else
+# error Bad ARCH_BITS...
+#endif
+
+
+#ifdef IN_RING0
+
+/*
+ * Kernel stuff...
+ */
+#define CPU_ON_INTR(a_pCpu)         (false)
+
+#define KERNELBASE                  VBoxDtGetKernelBase()
+uintptr_t VBoxDtGetKernelBase(void);
+
+
+typedef struct VBoxDtCred
+{
+    int32_t                 cr_refs;
+    RTUID                   cr_uid;
+    RTUID                   cr_ruid;
+    RTUID                   cr_suid;
+    RTGID                   cr_gid;
+    RTGID                   cr_rgid;
+    RTGID                   cr_sgid;
+    zoneid_t                cr_zone;
+} cred_t;
+#define PRIV_POLICY_ONLY(a_pCred, a_uPriv, a_fAll)  (true)
+#define priv_isequalset(a, b)                       (true)
+#define crgetuid(a_pCred)                           ((a_pCred)->cr_uid)
+#define crgetzoneid(a_pCred)                        ((a_pCred)->cr_zone)
+#define crhold                                      VBoxDtCredHold
+#define crfree                                      VBoxDtCredFree
+void VBoxDtCredHold(struct VBoxDtCred *pCred);
+void VBoxDtCredFree(struct VBoxDtCred *pCred);
+
+
+typedef struct RTTIMER  *cyclic_id_t;
+#define CYCLIC_NONE                                 ((struct RTTIMER *)NULL)
+#define cyclic_remove(a_hTimer)                     RTTimerDestroy(a_hTimer)
+
+typedef struct VBoxDtThread
+{
+    /** The next thread with the same hash table entry.
+     * Or the next free thread.  */
+    struct VBoxDtThread    *pNext;
+    /** Age list node. */
+    RTLISTNODE              AgeEntry;
+    /** The native thread handle. */
+    RTNATIVETHREAD          hNative;
+    /** The process ID. */
+    RTPROCESS               uPid;
+
+    uint32_t                t_predcache;
+    uintptr_t               t_dtrace_scrpc;
+    uintptr_t               t_dtrace_astpc;
+    hrtime_t                t_dtrace_vtime;
+    hrtime_t                t_dtrace_start;
+    uint8_t                 t_dtrace_stop;
+} kthread_t;
+struct VBoxDtThread *VBoxDtGetCurrentThread(void);
+#define curthread               (VBoxDtGetCurrentThread())
+
+
+typedef struct VBoxDtProcess    proc_t;
+# if 0 /* not needed ? */
+struct VBoxDtProcess    proc_t;
+{
+/*    uint32_t                p_flag; - don't bother with this */
+    RTPROCESS               p_pid;
+    struct dtrace_helpers  *p_dtrace_helpers;
+}
+proc_t *VBoxDtGetCurrentProc(void);
+# define curproc                 (VBoxDtGetCurrentProc())
+/*# define SNOCD                  RT_BIT(0) - don't bother with this */
+# endif
+
+typedef struct VBoxDtTaskQueue  taskq_t;
+
+typedef struct VBoxDtMutex
+{
+    RTSEMMUTEX              hMtx;
+    RTNATIVETHREAD volatile hOwner;
+} kmutex_t;
+#define mutex_enter             VBoxDtMutexEnter
+#define mutex_exit              VBoxDtMutexExit
+#define MUTEX_HELD(a_pMtx)      VBoxDtMutexIsOwner(a_pMtx)
+#define MUTEX_NOT_HELD(a_pMtx)  (!VBoxDtMutexIsOwner(a_pMtx))
+#define mod_lock                g_DummyMtx
+#define cpu_lock                g_DummyMtx
+int  VBoxDtMutexInit(struct VBoxDtMutex *pMtx);
+void VBoxDtMutexDelete(struct VBoxDtMutex *pMtx);
+void VBoxDtMutexEnter(struct VBoxDtMutex *pMtx);
+void VBoxDtMutexExit(struct VBoxDtMutex *pMtx);
+bool VBoxDtMutexIsOwner(struct VBoxDtMutex *pMtx);
+extern struct VBoxDtMutex       g_DummyMtx;
+
+
+typedef struct VBoxDtCpuCore
+{
+    RTCPUID             cpu_id;
+    uintptr_t           cpuc_dtrace_illval;
+    uint16_t volatile   cpuc_dtrace_flags;
+
+} cpucore_t;
+
+#define CPU_DTRACE_BADADDR      RT_BIT(0)
+#define CPU_DTRACE_BADALIGN     RT_BIT(1)
+#define CPU_DTRACE_BADSTACK     RT_BIT(2)
+#define CPU_DTRACE_KPRIV        RT_BIT(3)
+#define CPU_DTRACE_DIVZERO      RT_BIT(4)
+#define CPU_DTRACE_ILLOP        RT_BIT(5)
+#define CPU_DTRACE_NOSCRATCH    RT_BIT(6)
+#define CPU_DTRACE_UPRIV        RT_BIT(7)
+#define CPU_DTRACE_TUPOFLOW     RT_BIT(8)
+#define CPU_DTRACE_ENTRY        RT_BIT(9)
+#define CPU_DTRACE_FAULT        UINT16_C(0x03ff)
+#define CPU_DTRACE_DROP         RT_BIT(12)
+#define CPU_DTRACE_ERROR        UINT16_C(0x13ff)
+#define CPU_DTRACE_NOFAULT      RT_BIT(15)
+
+extern cpucore_t                g_aVBoxDtCpuCores[RTCPUSET_MAX_CPUS];
+#define cpu_core                (g_aVBoxDtCpuCores)
+
+struct VBoxDtCred *VBoxDtGetCurrentCreds(void);
+#define CRED()                  VBoxDtGetCurrentCreds()
+
+proc_t *VBoxDtThreadToProc(kthread_t *);
+
+
+#define ASSERT(a_Expr)          Assert(a_Expr)
+#define panic                   VBoxDtPanic
+void VBoxDtPanic(const char *pszFormat, ...);
+#define cmn_err                 VBoxDtCmnErr
+void VBoxDtCmnErr(int iLevel, const char *pszFormat, ...);
+#define CE_WARN                 10
+#define CE_NOTE                 11
+#define uprintf                 VBoxDtUPrintf
+#define vuprintf                VBoxDtUPrintfV
+void VBoxDtUPrintf(const char *pszFormat, ...);
+void VBoxDtUPrintfV(const char *pszFormat, va_list va);
+
+/*
+ * Memory allocation wrappers.
+ */
+#define KM_SLEEP                RT_BIT(0)
+#define KM_NOSLEEP              RT_BIT(1)
+#define kmem_alloc              VBoxDtKMemAlloc
+#define kmem_zalloc             VBoxDtKMemAllocZ
+#define kmem_free               VBoxDtKMemFree
+void *VBoxDtKMemAlloc(size_t cbMem, uint32_t fFlags);
+void *VBoxDtKMemAllocZ(size_t cbMem, uint32_t fFlags);
+void  VBoxDtKMemFree(void *pvMem, size_t cbMem);
+
+
+typedef struct VBoxDtMemCache   kmem_cache_t;
+#define kmem_cache_create       VBoxDtKMemCacheCreate
+#define kmem_cache_destroy      VBoxDtKMemCacheDestroy
+#define kmem_cache_alloc        VBoxDtKMemCacheAlloc
+#define kmem_cache_free         VBoxDtKMemCacheFree
+struct VBoxDtMemCache *VBoxDtKMemCacheCreate(const char *pszName, size_t cbBuf, size_t cbAlign,
+                                             PFNRT pfnCtor, PFNRT pfnDtor, PFNRT pfnReclaim,
+                                             void *pvUser, void *pvVM, uint32_t fFlags);
+void  VBoxDtKMemCacheDestroy(struct VBoxDtMemCache *pCache);
+void *VBoxDtKMemCacheAlloc(struct VBoxDtMemCache *pCache, uint32_t fFlags);
+void  VBoxDtKMemCacheFree(struct VBoxDtMemCache *pCache, void *pvMem);
+
+
+typedef struct VBoxDtVMem       vmem_t;
+#define VM_SLEEP                RT_BIT(0)
+#define VM_BESTFIT              RT_BIT(1)
+#define VMC_IDENTIFIER          RT_BIT(16)
+#define vmem_create             VBoxDtVMemCreate
+#define vmem_destroy            VBoxDtVMemDestroy
+#define vmem_alloc              VBoxDtVMemAlloc
+#define vmem_free               VBoxDtVMemFree
+struct VBoxDtVMem *VBoxDtVMemCreate(const char *pszName, void *pvBase, size_t cb, size_t cbUnit,
+                                    PFNRT pfnAlloc, PFNRT pfnFree, struct VBoxDtVMem *pSrc,
+                                    size_t cbQCacheMax, uint32_t fFlags);
+void  VBoxDtVMemDestroy(struct VBoxDtVMem *pVMemArena);
+void *VBoxDtVMemAlloc(struct VBoxDtVMem *pVMemArena, size_t cbMem, uint32_t fFlags);
+void  VBoxDtVMemFree(struct VBoxDtVMem *pVMemArena, void *pvMem, size_t cbMem);
+
+/*
+ * Copy In/Out
+ */
+#define copyin                      VBoxDtCopyIn
+#define copyout                     VBoxDtCopyOut
+int  VBoxDtCopyIn(void const *pvUser, void *pvDst, size_t cb);
+int  VBoxDtCopyOut(void const *pvSrc, void *pvUser, size_t cb);
+
+/*
+ * Device numbers.
+ */
+typedef uint64_t                    dev_t;
+typedef uint32_t                    major_t;
+typedef uint32_t                    minor_t;
+#define makedevice(a_Maj, a_Min)    RT_MAKE_U64(a_Min, a_Maj)
+#define getemajor(a_Dev)            RT_HIDWORD(a_Dev)
+#define geteminor(a_Dev)            RT_LODWORD(a_Dev)
+#define getminor(a_Dev)             RT_LODWORD(a_Dev)
+
+/*
+ * DDI
+ */
+# define DDI_SUCCESS                (0)
+# define DDI_FAILURE                (-1)
+# if 0 /* not needed */
+# define ddi_soft_state_init        VBoxDtDdiSoftStateInit
+# define ddi_soft_state_fini        VBoxDtDdiSoftStateTerm
+# define ddi_soft_state_zalloc      VBoxDtDdiSoftStateAllocZ
+# define ddi_get_soft_state         VBoxDtDdiSoftStateGet
+# define ddi_soft_state_free        VBoxDtDdiSoftStateFree
+int   VBoxDtDdiSoftStateInit(void **ppvSoftStates, size_t cbSoftState, uint32_t cMaxItems);
+int   VBoxDtDdiSoftStateTerm(void **ppvSoftStates);
+int   VBoxDtDdiSoftStateAllocZ(void *pvSoftStates, RTDEV uMinor);
+int   VBoxDtDdiSoftStateFree(void *pvSoftStates, RTDEV uMinor);
+void *VBoxDtDdiSoftStateGet(void *pvSoftStates, RTDEV uMinor);
+
+typedef enum { DDI_ATT_CMD_DUMMY }  ddi_attach_cmd_t;
+typedef enum { DDI_DETACH, DDI_SUSPEND }  ddi_detach_cmd_t;
+typedef struct VBoxDtDevInfo        dev_info_t;
+# define ddi_driver_major           VBoxDtDdiDriverMajor
+# define ddi_report_dev             VBoxDtDdiReportDev
+major_t VBoxDtDdiDriverMajor(struct VBoxDtDevInfo *pDevInfo);
+void    VBoxDtDdiReportDev(struct VBoxDtDevInfo *pDevInfo);
+# endif
+
+/*
+ * DTrace bits we've made external.
+ */
+extern int dtrace_attach(void);
+extern int dtrace_detach(void);
+struct dtrace_state;
+extern int dtrace_open(struct dtrace_state **ppState, struct VBoxDtCred *cred_p);
+extern int dtrace_ioctl(struct dtrace_state *state, int cmd, intptr_t arg, int32_t *rv);
+extern int dtrace_close(struct dtrace_state *state);
+
+#endif /* IN_RING0 */
+
+
+#ifdef IN_RING3
+/*
+ * Make life a little easier in ring-3.
+ */
+
+/* Replacement for strndup(), requires editing the code unfortunately. */
+# define MY_STRDUPA(a_pszRes, a_pszSrc) \
+    do { \
+        size_t cb = strlen(a_pszSrc) + 1; \
+        (a_pszRes) = (char *)alloca(cb); \
+        memcpy(a_pszRes, a_pszSrc, cb); \
+    } while (0)
+
+/*
+ * gelf
+ */
+# include <iprt/formats/elf64.h>
+typedef Elf64_Half  GElf_Half;
+typedef Elf64_Xword GElf_Xword;
+typedef Elf64_Shdr  GElf_Shdr;
+typedef Elf64_Ehdr  GElf_Ehdr;
+typedef Elf64_Sym   GElf_Sym;
+typedef Elf64_Addr  GElf_Addr;
+#define GELF_ST_INFO ELF64_ST_INFO
+#define GELF_ST_TYPE ELF64_ST_TYPE
+#define GELF_ST_BIND ELF64_ST_BIND
+
+/*
+ * MSC stuff.
+ */
+# ifdef _MSC_VER
+#  ifndef SIZE_MAX
+#   if ARCH_BITS == 32
+#    define SIZE_MAX UINT32_MAX
+#   else
+#    define SIZE_MAX UINT64_MAX
+#   endif
+#  endif
+# endif /* _MSC_VER */
+
+#endif /* IN_RING3 */
+
+RT_C_DECLS_END
+#endif /* !VBOX_INCLUDED_SRC_VBoxDTrace_include_VBoxDTraceTypes_h */
+