145 lines
4.5 KiB
C++
145 lines
4.5 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 SHM_PROCESS_H_INCLUDED
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#define SHM_PROCESS_H_INCLUDED
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#include "dfhack/DFProcess.h"
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namespace DFHack
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{
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class DFHACK_EXPORT SHMProcess : public Process
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{
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friend class ProcessEnumerator;
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class Private;
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private:
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Private * const d;
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public:
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SHMProcess(uint32_t PID, std::vector <VersionInfo *> & known_versions);
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~SHMProcess();
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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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bool suspend();
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bool asyncSuspend();
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bool resume();
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bool forceresume();
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void readQuad(const uint32_t address, uint64_t & value);
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void writeQuad(const uint32_t address, const uint64_t value);
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void readDWord(const uint32_t address, uint32_t & value);
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void writeDWord(const uint32_t address, const uint32_t value);
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void readFloat(const uint32_t address, float & value);
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void readWord(const uint32_t address, uint16_t & value);
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void writeWord(const uint32_t address, const uint16_t value);
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void readByte(const uint32_t address, uint8_t & value);
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void writeByte(const uint32_t address, const uint8_t value);
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void read( uint32_t address, uint32_t length, uint8_t* buffer);
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void write(uint32_t address, uint32_t length, uint8_t* buffer);
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const std::string readSTLString (uint32_t offset);
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size_t readSTLString (uint32_t offset, char * buffer, size_t bufcapacity);
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void writeSTLString(const uint32_t address, const std::string writeString);
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// get class name of an object with rtti/type info
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std::string readClassName(uint32_t vptr);
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const std::string readCString (uint32_t offset);
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bool isSuspended();
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bool isAttached();
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bool isIdentified();
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bool getThreadIDs(std::vector<uint32_t> & threads );
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void getMemRanges(std::vector<t_memrange> & ranges );
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VersionInfo *getDescriptor();
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int getPID();
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std::string getPath();
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// get module index by name and version. bool 1 = error
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bool getModuleIndex (const char * name, const uint32_t version, uint32_t & OUTPUT);
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// get the SHM start if available
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char * getSHMStart (void);
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bool SetAndWait (uint32_t state);
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private:
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bool acquireSuspendLock();
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bool releaseSuspendLock();
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};
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class SHMProcess::Private
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{
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public:
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Private(SHMProcess * self_);
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~Private(){}
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VersionInfo * memdescriptor;
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SHMProcess * self;
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char *shm_addr;
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int attachmentIdx;
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bool attached;
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bool locked;
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bool identified;
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bool useYield;
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#ifdef LINUX_BUILD
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pid_t process_ID;
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int shm_ID;
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int server_lock;
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int client_lock;
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int suspend_lock;
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#else
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typedef unit32_t pid_t;
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uint32_t process_ID;
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HANDLE DFSVMutex;
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HANDLE DFCLMutex;
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HANDLE DFCLSuspendMutex;
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#endif
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bool validate(std::vector< VersionInfo* >& known_versions);
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bool Aux_Core_Attach(bool & versionOK, pid_t& PID);
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bool SetAndWait (uint32_t state);
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bool GetLocks();
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bool AreLocksOk();
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void FreeLocks();
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};
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}
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// some helpful macros to keep the code bloat in check
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#define SHMCMD ( (uint32_t *) shm_addr)[attachmentIdx]
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#define D_SHMCMD ( (uint32_t *) (d->shm_addr))[d->attachmentIdx]
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#define SHMHDR ((shm_core_hdr *)shm_addr)
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#define D_SHMHDR ((shm_core_hdr *)(d->shm_addr))
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#define SHMDATA(type) ((type *)(shm_addr + SHM_HEADER))
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#define D_SHMDATA(type) ((type *)(d->shm_addr + SHM_HEADER))
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#endif
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