diff options
Diffstat (limited to 'src/usr/pore/poreve/porevesrc/hookmanager.H')
| -rw-r--r-- | src/usr/pore/poreve/porevesrc/hookmanager.H | 85 |
1 files changed, 61 insertions, 24 deletions
diff --git a/src/usr/pore/poreve/porevesrc/hookmanager.H b/src/usr/pore/poreve/porevesrc/hookmanager.H index 2b86659ee..991ee95cc 100644 --- a/src/usr/pore/poreve/porevesrc/hookmanager.H +++ b/src/usr/pore/poreve/porevesrc/hookmanager.H @@ -1,30 +1,29 @@ -/* IBM_PROLOG_BEGIN_TAG - * This is an automatically generated prolog. - * - * $Source: src/usr/pore/poreve/porevesrc/hookmanager.H $ - * - * IBM CONFIDENTIAL - * - * COPYRIGHT International Business Machines Corp. 2012 - * - * p1 - * - * Object Code Only (OCO) source materials - * Licensed Internal Code Source Materials - * IBM HostBoot Licensed Internal Code - * - * The source code for this program is not published or other- - * wise divested of its trade secrets, irrespective of what has - * been deposited with the U.S. Copyright Office. - * - * Origin: 30 - * - * IBM_PROLOG_END_TAG - */ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/pore/poreve/porevesrc/hookmanager.H $ */ +/* */ +/* IBM CONFIDENTIAL */ +/* */ +/* COPYRIGHT International Business Machines Corp. 2012,2013 */ +/* */ +/* p1 */ +/* */ +/* Object Code Only (OCO) source materials */ +/* Licensed Internal Code Source Materials */ +/* IBM HostBoot Licensed Internal Code */ +/* */ +/* The source code for this program is not published or otherwise */ +/* divested of its trade secrets, irrespective of what has been */ +/* deposited with the U.S. Copyright Office. */ +/* */ +/* Origin: 30 */ +/* */ +/* IBM_PROLOG_END_TAG */ #ifndef __VSBE_HOOKMANAGER_H #define __VSBE_HOOKMANAGER_H -// $Id: hookmanager.H,v 1.16 2012/01/06 21:25:25 bcbrock Exp $ +// $Id: hookmanager.H,v 1.17 2013/02/05 16:14:38 bcbrock Exp $ /// \file hookmanager.H /// \brief A portable symbol table and hook execution facility @@ -56,6 +55,7 @@ #include <list> #include <map> #include <utility> +#include <vector> #include <fapi.H> @@ -469,6 +469,23 @@ public: virtual ~HookManager(); + /// Delete the singleton instance of the HookManager + /// + /// This method is required to support the case that multiple runs of the + /// PoreVe with different hooks need to be made in the same process. Along + /// with destroying the HookManager object, all hook DLLs will also need + /// to be unloaded to ensure that another run of the PoreVe will + /// succeed. The application can use the HookManager::dlopen() API rather + /// than the standard dlopen() to allow the HookManager to take care + /// of unloading the DLLs when the HookManager is destroyed. + static void destroy() { + if (s_instance != 0) { + delete s_instance; + s_instance = 0; + } + } + + ///////////////////////////// Accessors ////////////////////////////// /// Access the singleton instance @@ -631,6 +648,23 @@ public: //////////////////////////// Manipulators //////////////////////////// + /// Dynmaic load of a hook DLL with internal registration + /// + /// \param[in] i_fileName The name of a (putative) hook DLL + /// + /// \param[in] i_flags Flags to dlopen() + /// + /// This method uses dlopen to open a putative hook DLL. If successful, + /// then the DLL 'handle' is recorded by the HookManager. This allows the + /// HookManager to dlclose() the DLL when the HookManager object is + /// destroyed. This method is required to support the case that multiple + /// runs of the PoreVe with different hooks need to be made in the same + /// process. + /// + /// \returns The 'handle' returned by dlopen(). + static void* + dlopen(const char* i_fileName, int i_flags); + /// Register a HOOKI instruction hook with the HookManager /// /// \param[in] i_index The hook index as it will be stored in the HOOKI @@ -793,6 +827,9 @@ public: protected: + /// The vector of DLL handles + std::vector<void*> iv_dllHandles; + /// The instruction hook map InstructionHookMap iv_instructionHookMap; |
