129 lines
4.0 KiB
C++
129 lines
4.0 KiB
C++
/*
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www.sourceforge.net/projects/dfhack
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Copyright (c) 2009 Petr Mrázek (peterix), Kenneth Ferland (Impaler[WrG]), dorf
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must
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not claim that you wrote the original software. If you use this
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software in a product, an acknowledgment in the product documentation
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would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#ifndef PROCESSMANAGER_H_INCLUDED
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#define PROCESSMANAGER_H_INCLUDED
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#include "Export.h"
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class TiXmlElement;
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namespace DFHack
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{
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class memory_info;
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class DataModel;
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class Process;
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#ifdef LINUX_BUILD
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typedef pid_t ProcessHandle;
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#else
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typedef HANDLE ProcessHandle;
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#endif
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/*
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* Currently attached process and its handle
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*/
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extern Process * g_pProcess; ///< current process. non-NULL when picked
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extern ProcessHandle g_ProcessHandle; ///< cache of handle to current process. used for speed reasons
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extern int g_ProcessMemFile; ///< opened /proc/PID/mem, valid when attached
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// structure describing a memory range
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struct DFHACK_EXPORT t_memrange
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{
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uint64_t start;
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uint64_t end;
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// memory range name (if any)
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char name[1024];
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// permission to read
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bool read;
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// permission to write
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bool write;
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// permission to execute
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bool execute;
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inline bool isInRange( uint64_t address)
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{
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if (address >= start && address <= end) return true;
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return false;
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}
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inline void print()
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{
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cout << hex << start << " - " << end << "|" << (read ? "r" : "-") << (write ? "w" : "-") << (execute ? "x" : "-") << "|" << name << endl;
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}
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};
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class DFHACK_EXPORT Process
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{
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friend class ProcessManager;
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protected:
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Process(DataModel * dm, memory_info* mi, ProcessHandle ph, uint32_t pid);
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~Process();
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DataModel* my_datamodel;
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memory_info * my_descriptor;
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ProcessHandle my_handle;
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uint32_t my_pid;
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string memFile;
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bool attached;
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void freeResources();
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void setMemFile(const string & memf);
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public:
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// Set up stuff so we can read memory
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bool attach();
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bool detach();
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void getMemRanges( vector<t_memrange> & ranges );
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// is the process still there?
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memory_info *getDescriptor();
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DataModel *getDataModel();
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};
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/*
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* Process manager
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*/
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class DFHACK_EXPORT ProcessManager
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{
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public:
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ProcessManager( string path_to_xml);
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~ProcessManager();
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bool findProcessess();
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uint32_t size();
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Process * operator[](uint32_t index);
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private:
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// memory info entries loaded from a file
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std::vector<memory_info> meminfo;
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// vector to keep track of dynamically created memory_info entries
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std::vector<memory_info *> destroy_meminfo;
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Process * currentProcess;
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ProcessHandle currentProcessHandle;
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std::vector<Process *> processes;
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bool loadDescriptors( string path_to_xml);
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void ParseVTable(TiXmlElement* vtable, memory_info& mem);
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void ParseEntry (TiXmlElement* entry, memory_info& mem, map <string ,TiXmlElement *>& knownEntries);
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#ifdef LINUX_BUILD
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Process* addProcess(const string & exe,ProcessHandle PH,const string & memFile);
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#endif
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};
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}
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#endif // PROCESSMANAGER_H_INCLUDED
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