1bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner//===- ExecutionEngine.h - Abstract Execution Engine Interface --*- C++ -*-===// 2ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 36fbcc26f1460eaee4e0eb8b426fc1ff0c7af11beJohn Criswell// The LLVM Compiler Infrastructure 46fbcc26f1460eaee4e0eb8b426fc1ff0c7af11beJohn Criswell// 57ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// This file is distributed under the University of Illinois Open Source 67ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// License. See LICENSE.TXT for details. 7ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 86fbcc26f1460eaee4e0eb8b426fc1ff0c7af11beJohn Criswell//===----------------------------------------------------------------------===// 9bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner// 10bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner// This file defines the abstract interface that implements execution support 11bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner// for LLVM. 12bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner// 13bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner//===----------------------------------------------------------------------===// 14bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner 15674be02d525d4e24bc6943ed9274958c580bcfbcJakub Staszak#ifndef LLVM_EXECUTIONENGINE_EXECUTIONENGINE_H 16674be02d525d4e24bc6943ed9274958c580bcfbcJakub Staszak#define LLVM_EXECUTIONENGINE_EXECUTIONENGINE_H 17bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner 1843dfffe890f58468e2fe01f312978d7aa5303801Eric Christopher#include "llvm-c/ExecutionEngine.h" 19255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include "llvm/ADT/DenseMap.h" 20fe854034677f59baca1e38075e71f6efca247a03Chris Lattner#include "llvm/ADT/SmallVector.h" 214688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin#include "llvm/ADT/StringRef.h" 2223e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin#include "llvm/ADT/ValueMap.h" 23255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include "llvm/MC/MCCodeGenInfo.h" 2450bee42b54cd9aec5f49566307df2b0cf23afcf6Craig Topper#include "llvm/Support/ErrorHandling.h" 251f6efa3996dd1929fbc129203ce5009b620e6969Michael J. Spencer#include "llvm/Support/Mutex.h" 26255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include "llvm/Support/ValueHandle.h" 2798a366d547772010e94609e4584489b3e5ce0043Bill Wendling#include "llvm/Target/TargetMachine.h" 28d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne#include "llvm/Target/TargetOptions.h" 2950bee42b54cd9aec5f49566307df2b0cf23afcf6Craig Topper#include <map> 3050bee42b54cd9aec5f49566307df2b0cf23afcf6Craig Topper#include <string> 31255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include <vector> 32d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 33d0fde30ce850b78371fd1386338350591f9ff494Brian Gaekenamespace llvm { 34d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 359d87eb19be82b28d288e38eab3bbe145060a0701Reid Spencerstruct GenericValue; 36bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattnerclass Constant; 3713a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizloclass DataLayout; 384c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskinclass ExecutionEngine; 39bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattnerclass Function; 403ddc05bdde6ed65f93340ea467d362e80c0ceb9cChris Lattnerclass GlobalVariable; 41b6c54ed8f50a351989993a5ef88507abc6d63e2dMisha Brukmanclass GlobalValue; 42df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskinclass JITEventListener; 43df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskinclass JITMemoryManager; 44df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskinclass MachineCodeInfo; 45bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattnerclass Module; 46df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskinclass MutexGuard; 471c489455ea5fac43a5f20911dfb5486630eb0160Andrew Kaylorclass ObjectCache; 4813a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizloclass RTDyldMemoryManager; 499ea47179e647e806a2c67639bfead9d254514e59Dylan Noblesmithclass Triple; 50b6c54ed8f50a351989993a5ef88507abc6d63e2dMisha Brukmanclass Type; 51bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner 5248dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar/// \brief Helper class for helping synchronize access to the global address map 5348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar/// table. 54ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencerclass ExecutionEngineState { 554c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskinpublic: 5623e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin struct AddressMapConfig : public ValueMapConfig<const GlobalValue*> { 5723e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin typedef ExecutionEngineState *ExtraData; 5823e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin static sys::Mutex *getMutex(ExecutionEngineState *EES); 5923e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin static void onDelete(ExecutionEngineState *EES, const GlobalValue *Old); 6023e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin static void onRAUW(ExecutionEngineState *, const GlobalValue *, 6123e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin const GlobalValue *); 624c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin }; 634c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin 6423e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin typedef ValueMap<const GlobalValue *, void *, AddressMapConfig> 6523e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin GlobalAddressMapTy; 6623e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin 67ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencerprivate: 684c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin ExecutionEngine &EE; 694c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin 70c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// GlobalAddressMap - A mapping between LLVM global values and their 71c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// actualized version... 7223e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin GlobalAddressMapTy GlobalAddressMap; 73c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner 74c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// GlobalAddressReverseMap - This is the reverse mapping of GlobalAddressMap, 75c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// used to convert raw addresses into the LLVM global value that is emitted 76c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// at the address. This map is not computed unless getGlobalValueAtAddress 77c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// is called at some point. 780d5bd59553375dc85ac04c81ef48ef74c9e7193eJeffrey Yasskin std::map<void *, AssertingVH<const GlobalValue> > GlobalAddressReverseMap; 79ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer 80ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencerpublic: 8123e5fcfec4640955fec41dc8348f467adf1a3e56Jeffrey Yasskin ExecutionEngineState(ExecutionEngine &EE); 824c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin 8348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar GlobalAddressMapTy &getGlobalAddressMap(const MutexGuard &) { 84ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer return GlobalAddressMap; 85ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer } 86ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer 870d5bd59553375dc85ac04c81ef48ef74c9e7193eJeffrey Yasskin std::map<void*, AssertingVH<const GlobalValue> > & 8813d57320bd212483463d4f8992d5787b29eda5dfBill Wendling getGlobalAddressReverseMap(const MutexGuard &) { 89ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer return GlobalAddressReverseMap; 90ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer } 91c89d27a440370455336202b2a8f25eb9c73e67bcJeffrey Yasskin 9248dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// \brief Erase an entry from the mapping table. 9348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// 94c5252da873d547a19069eaf9030fec203f128f66Dmitri Gribenko /// \returns The address that \p ToUnmap was happed to. 95c89d27a440370455336202b2a8f25eb9c73e67bcJeffrey Yasskin void *RemoveMapping(const MutexGuard &, const GlobalValue *ToUnmap); 96ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer}; 97ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer 9848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar/// \brief Abstract interface for implementation execution of LLVM modules, 9948dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar/// designed to support both interpreter and just-in-time (JIT) compiler 10048dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar/// implementations. 101ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencerclass ExecutionEngine { 10248dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// The state object holding the global address mapping, which must be 10348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// accessed synchronously. 10448dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar // 10548dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar // FIXME: There is no particular need the entire map needs to be 10648dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar // synchronized. Wouldn't a reader-writer design be better here? 1074c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin ExecutionEngineState EEState; 10848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar 10948dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// The target data for the platform for which execution is being performed. 1103574eca1b02600bac4e625297f4ecf745f4c4f32Micah Villmow const DataLayout *TD; 11148dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar 11248dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// Whether lazy JIT compilation is enabled. 113dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin bool CompilingLazily; 11448dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar 11548dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// Whether JIT compilation of external global variables is allowed. 116446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng bool GVCompilationDisabled; 11748dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar 11848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// Whether the JIT should perform lookups of external symbols (e.g., 11948dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// using dlsym). 120e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner bool SymbolSearchingDisabled; 121d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner 1224b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner friend class EngineBuilder; // To allow access to JITCtor and InterpCtor. 1234b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 1241514b5b334c72e1e190fe1ce2bce7bf7d8a91c1aChris Lattnerprotected: 12548dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// The list of Modules that we are JIT'ing from. We use a SmallVector to 12648dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// optimize for the case where there is only one module. 127f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin SmallVector<Module*, 1> Modules; 128f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 1293574eca1b02600bac4e625297f4ecf745f4c4f32Micah Villmow void setDataLayout(const DataLayout *td) { TD = td; } 130f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 13146fa139e26be6ebc00be2fb45820c2560dd22a32Nicolas Geoffray /// getMemoryforGV - Allocate memory for a global variable. 13248dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar virtual char *getMemoryForGV(const GlobalVariable *GV); 133b6c54ed8f50a351989993a5ef88507abc6d63e2dMisha Brukman 134765c93cefda367d8e5a8e0afcd610a7e15bbd987Chris Lattner // To avoid having libexecutionengine depend on the JIT and interpreter 1356d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar // libraries, the execution engine implementations set these functions to ctor 1366d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar // pointers at startup time if they are linked in. 1374688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin static ExecutionEngine *(*JITCtor)( 1384688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin Module *M, 1394688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin std::string *ErrorStr, 1404688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin JITMemoryManager *JMM, 1414688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin bool GVsWithCode, 142c5b28580a94e247300e5d3ccf532e153f2ae6f12Dylan Noblesmith TargetMachine *TM); 1436d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar static ExecutionEngine *(*MCJITCtor)( 1446d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar Module *M, 1456d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar std::string *ErrorStr, 14613a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo RTDyldMemoryManager *MCJMM, 1476d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar bool GVsWithCode, 148c5b28580a94e247300e5d3ccf532e153f2ae6f12Dylan Noblesmith TargetMachine *TM); 149026fa8782cd59f79ac6335e54a0d1cc882a0b626Jim Grosbach static ExecutionEngine *(*InterpCtor)(Module *M, std::string *ErrorStr); 150d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner 151d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner /// LazyFunctionCreator - If an unknown function is needed, this function 15248dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// pointer is invoked to create it. If this returns null, the JIT will 15348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// abort. 15448dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar void *(*LazyFunctionCreator)(const std::string &); 155f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 156b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands /// ExceptionTableRegister - If Exception Handling is set, the JIT will 157b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands /// register dwarf tables with this function. 158afe6c2b001a924cd74bd0aacfed5984d9af004b0Nicolas Geoffray typedef void (*EERegisterFn)(void*); 159b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands EERegisterFn ExceptionTableRegister; 160b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands EERegisterFn ExceptionTableDeregister; 161515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher /// This maps functions to their exception tables frames. 162515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher DenseMap<const Function*, void*> AllExceptionTables; 163515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher 164afe6c2b001a924cd74bd0aacfed5984d9af004b0Nicolas Geoffray 165bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattnerpublic: 16648dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// lock - This lock protects the ExecutionEngine, JIT, JITResolver and 167765c93cefda367d8e5a8e0afcd610a7e15bbd987Chris Lattner /// JITEmitter classes. It must be held while changing the internal state of 168765c93cefda367d8e5a8e0afcd610a7e15bbd987Chris Lattner /// any of those classes. 16948dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar sys::Mutex lock; 170ee448630bdf7eb6037fe2c50518d32010c433ca3Reid Spencer 171f4cc3096fd893cdef5b5c2664ebff8c13a07ad51Chris Lattner //===--------------------------------------------------------------------===// 1729f2f142d255bc96f109dd5c6524a485937b1f3a1Chris Lattner // ExecutionEngine Startup 173f4cc3096fd893cdef5b5c2664ebff8c13a07ad51Chris Lattner //===--------------------------------------------------------------------===// 174ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 1759f2f142d255bc96f109dd5c6524a485937b1f3a1Chris Lattner virtual ~ExecutionEngine(); 176bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner 1779f2f142d255bc96f109dd5c6524a485937b1f3a1Chris Lattner /// create - This is the factory method for creating an execution engine which 1789f2f142d255bc96f109dd5c6524a485937b1f3a1Chris Lattner /// is appropriate for the current machine. This takes ownership of the 179f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin /// module. 18048dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// 18148dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// \param GVsWithCode - Allocating globals with code breaks 18248dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// freeMachineCodeForFunction and is probably unsafe and bad for performance. 18348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// However, we have clients who depend on this behavior, so we must support 1847a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner /// it. Eventually, when we're willing to break some backwards compatibility, 18548dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// this flag should be flipped to false, so that by default 18648dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// freeMachineCodeForFunction works. 187f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin static ExecutionEngine *create(Module *M, 1889f2f142d255bc96f109dd5c6524a485937b1f3a1Chris Lattner bool ForceInterpreter = false, 189502f20b17ede40de84503010b7699b328a4f2867Evan Cheng std::string *ErrorStr = 0, 19098a366d547772010e94609e4584489b3e5ce0043Bill Wendling CodeGenOpt::Level OptLevel = 191026fa8782cd59f79ac6335e54a0d1cc882a0b626Jim Grosbach CodeGenOpt::Default, 192489393d7b92107cc3de17d8dbe7dd11ab7395fdcJeffrey Yasskin bool GVsWithCode = true); 193489393d7b92107cc3de17d8dbe7dd11ab7395fdcJeffrey Yasskin 19434c9433004cabd4760987dce4804a91c84908219Chris Lattner /// createJIT - This is the factory method for creating a JIT for the current 19534c9433004cabd4760987dce4804a91c84908219Chris Lattner /// machine, it does not fall back to the interpreter. This takes ownership 196f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin /// of the Module and JITMemoryManager if successful. 1971d929216916dc992f8643dda971aac58d47c7765Daniel Dunbar /// 1981d929216916dc992f8643dda971aac58d47c7765Daniel Dunbar /// Clients should make sure to initialize targets prior to calling this 1991d929216916dc992f8643dda971aac58d47c7765Daniel Dunbar /// function. 200f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin static ExecutionEngine *createJIT(Module *M, 20134c9433004cabd4760987dce4804a91c84908219Chris Lattner std::string *ErrorStr = 0, 202502f20b17ede40de84503010b7699b328a4f2867Evan Cheng JITMemoryManager *JMM = 0, 20398a366d547772010e94609e4584489b3e5ce0043Bill Wendling CodeGenOpt::Level OptLevel = 204026fa8782cd59f79ac6335e54a0d1cc882a0b626Jim Grosbach CodeGenOpt::Default, 20588b5aca20a6dd0a8b15ff620bdee59aae567d245Eric Christopher bool GVsWithCode = true, 206439661395fd2a2a832dba01c65bc88718528313cEvan Cheng Reloc::Model RM = Reloc::Default, 2073472766f9eb7d66f234c390ce1b3a8b76f0ee9ceDuncan Sands CodeModel::Model CMM = 208026fa8782cd59f79ac6335e54a0d1cc882a0b626Jim Grosbach CodeModel::JITDefault); 20998a366d547772010e94609e4584489b3e5ce0043Bill Wendling 210f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin /// addModule - Add a Module to the list of modules that we can JIT from. 211f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin /// Note that this takes ownership of the Module: when the ExecutionEngine is 212f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin /// destroyed, it destroys the Module as well. 213f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin virtual void addModule(Module *M) { 214f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin Modules.push_back(M); 2152e40ae4de67ba37d02281d51e7dfd629205e1e30Chris Lattner } 216f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 21748dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar //===--------------------------------------------------------------------===// 2189f2f142d255bc96f109dd5c6524a485937b1f3a1Chris Lattner 2193574eca1b02600bac4e625297f4ecf745f4c4f32Micah Villmow const DataLayout *getDataLayout() const { return TD; } 2209f2f142d255bc96f109dd5c6524a485937b1f3a1Chris Lattner 221f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin /// removeModule - Remove a Module from the list of modules. Returns true if 222f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin /// M is found. 223f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin virtual bool removeModule(Module *M); 22460789e419e04c260e36af9a1add5ad316313e490Nate Begeman 225fe854034677f59baca1e38075e71f6efca247a03Chris Lattner /// FindFunctionNamed - Search all of the active modules to find the one that 226fe854034677f59baca1e38075e71f6efca247a03Chris Lattner /// defines FnName. This is very slow operation and shouldn't be used for 227fe854034677f59baca1e38075e71f6efca247a03Chris Lattner /// general code. 228fe854034677f59baca1e38075e71f6efca247a03Chris Lattner Function *FindFunctionNamed(const char *FnName); 229f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 230ff65e36be0f4fbe776ee6bb39b7ab14ebe3895ebChris Lattner /// runFunction - Execute the specified function with the specified arguments, 231ff65e36be0f4fbe776ee6bb39b7ab14ebe3895ebChris Lattner /// and return the result. 232ff65e36be0f4fbe776ee6bb39b7ab14ebe3895ebChris Lattner virtual GenericValue runFunction(Function *F, 233ff65e36be0f4fbe776ee6bb39b7ab14ebe3895ebChris Lattner const std::vector<GenericValue> &ArgValues) = 0; 234ff65e36be0f4fbe776ee6bb39b7ab14ebe3895ebChris Lattner 23545a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev /// getPointerToNamedFunction - This method returns the address of the 23645a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev /// specified function by using the dlsym function call. As such it is only 23745a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev /// useful for resolving library symbols, not code generated symbols. 23845a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev /// 23945a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev /// If AbortOnFailure is false and no function with the given name is 24045a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev /// found, this function silently returns a null pointer. Otherwise, 24145a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev /// it prints a message to stderr and aborts. 24245a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev /// 24345a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev virtual void *getPointerToNamedFunction(const std::string &Name, 24445a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev bool AbortOnFailure = true) = 0; 24545a93d6eb4c55876e94f91b471657f23fe2149aaDanil Malyshev 246020f4e861a9a32059f76377e787703c92ba55a98Jim Grosbach /// mapSectionAddress - map a section to its target address space value. 247020f4e861a9a32059f76377e787703c92ba55a98Jim Grosbach /// Map the address of a JIT section as returned from the memory manager 248020f4e861a9a32059f76377e787703c92ba55a98Jim Grosbach /// to the address in the target process as the running code will see it. 249020f4e861a9a32059f76377e787703c92ba55a98Jim Grosbach /// This is the address which will be used for relocation resolution. 250e940c1bb6c976539f07d6f440aeaacf7c25e1ddcJim Grosbach virtual void mapSectionAddress(const void *LocalAddress, uint64_t TargetAddress) { 25150bee42b54cd9aec5f49566307df2b0cf23afcf6Craig Topper llvm_unreachable("Re-mapping of section addresses not supported with this " 25250bee42b54cd9aec5f49566307df2b0cf23afcf6Craig Topper "EE!"); 253020f4e861a9a32059f76377e787703c92ba55a98Jim Grosbach } 254020f4e861a9a32059f76377e787703c92ba55a98Jim Grosbach 255abb38fe8dec11b1ea7535f84fac8ad0f0af70addDavid Tweed /// finalizeObject - ensure the module is fully processed and is usable. 256abb38fe8dec11b1ea7535f84fac8ad0f0af70addDavid Tweed /// 257abb38fe8dec11b1ea7535f84fac8ad0f0af70addDavid Tweed /// It is the user-level function for completing the process of making the 258abb38fe8dec11b1ea7535f84fac8ad0f0af70addDavid Tweed /// object usable for execution. It should be called after sections within an 259abb38fe8dec11b1ea7535f84fac8ad0f0af70addDavid Tweed /// object have been relocated using mapSectionAddress. When this method is 260abb38fe8dec11b1ea7535f84fac8ad0f0af70addDavid Tweed /// called the MCJIT execution engine will reapply relocations for a loaded 261abb38fe8dec11b1ea7535f84fac8ad0f0af70addDavid Tweed /// object. This method has no effect for the legacy JIT engine or the 262abb38fe8dec11b1ea7535f84fac8ad0f0af70addDavid Tweed /// interpeter. 26328989889bf3aa3314562d438aece245b71176ec4Andrew Kaylor virtual void finalizeObject() {} 26428989889bf3aa3314562d438aece245b71176ec4Andrew Kaylor 2659ca6cdaee91fddcd3ea57dedcd624c14c7a40f65Chris Lattner /// runStaticConstructorsDestructors - This method is used to execute all of 26648dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// the static constructors or destructors for a program. 26748dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// 26848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// \param isDtors - Run the destructors instead of constructors. 2699ca6cdaee91fddcd3ea57dedcd624c14c7a40f65Chris Lattner void runStaticConstructorsDestructors(bool isDtors); 27048dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar 27118314dc741ab7dc4db02b199af77f43bd8551fd2Evan Cheng /// runStaticConstructorsDestructors - This method is used to execute all of 27248dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// the static constructors or destructors for a particular module. 27348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// 27448dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// \param isDtors - Run the destructors instead of constructors. 27518314dc741ab7dc4db02b199af77f43bd8551fd2Evan Cheng void runStaticConstructorsDestructors(Module *module, bool isDtors); 276f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 277f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 278e5dbbf2bddf7fc28d9f63a5e978af12184c80adaChris Lattner /// runFunctionAsMain - This is a helper function which wraps runFunction to 279e5dbbf2bddf7fc28d9f63a5e978af12184c80adaChris Lattner /// handle the common task of starting up main with the specified argc, argv, 280e5dbbf2bddf7fc28d9f63a5e978af12184c80adaChris Lattner /// and envp parameters. 281e5dbbf2bddf7fc28d9f63a5e978af12184c80adaChris Lattner int runFunctionAsMain(Function *Fn, const std::vector<std::string> &argv, 282e5dbbf2bddf7fc28d9f63a5e978af12184c80adaChris Lattner const char * const * envp); 283e5dbbf2bddf7fc28d9f63a5e978af12184c80adaChris Lattner 284e5dbbf2bddf7fc28d9f63a5e978af12184c80adaChris Lattner 285683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner /// addGlobalMapping - Tell the execution engine that the specified global is 286683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner /// at the specified location. This is used internally as functions are JIT'd 287683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner /// and as global variables are laid out in memory. It can and should also be 288683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner /// used by clients of the EE that want to have an LLVM global overlay 2894c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin /// existing data in memory. Mappings are automatically removed when their 2904c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin /// GlobalValue is destroyed. 291683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner void addGlobalMapping(const GlobalValue *GV, void *Addr); 292f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 29348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// clearAllGlobalMappings - Clear all global mappings and start over again, 29448dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// for use in dynamic compilation scenarios to move globals. 295683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner void clearAllGlobalMappings(); 296f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 297f049e07eb8930214941c72f8e4409df394de1567Nate Begeman /// clearGlobalMappingsFromModule - Clear all global mappings that came from a 298f049e07eb8930214941c72f8e4409df394de1567Nate Begeman /// particular module, because it has been removed from the JIT. 299f049e07eb8930214941c72f8e4409df394de1567Nate Begeman void clearGlobalMappingsFromModule(Module *M); 300f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 301f5feaf4fe381476b0ea567d7837c64b6590133e9Chris Lattner /// updateGlobalMapping - Replace an existing mapping for GV with a new 302683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner /// address. This updates both maps as required. If "Addr" is null, the 303f4cc3096fd893cdef5b5c2664ebff8c13a07ad51Chris Lattner /// entry for the global is removed from the mappings. This returns the old 304f4cc3096fd893cdef5b5c2664ebff8c13a07ad51Chris Lattner /// value of the pointer, or null if it was not in the map. 305f4cc3096fd893cdef5b5c2664ebff8c13a07ad51Chris Lattner void *updateGlobalMapping(const GlobalValue *GV, void *Addr); 306f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 307895be4bae2c4f9a2fd2234f0329f618274e67eabChris Lattner /// getPointerToGlobalIfAvailable - This returns the address of the specified 308683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner /// global value if it is has already been codegen'd, otherwise it returns 309683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner /// null. 310683d1bb712d8f8fc2d727a160da029c9cf40a423Chris Lattner void *getPointerToGlobalIfAvailable(const GlobalValue *GV); 31170bca51f92871c7f9d3eac9ab68292c149fab53cChris Lattner 312895be4bae2c4f9a2fd2234f0329f618274e67eabChris Lattner /// getPointerToGlobal - This returns the address of the specified global 31348dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// value. This may involve code generation if it's a function. 314bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner void *getPointerToGlobal(const GlobalValue *GV); 315bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner 316895be4bae2c4f9a2fd2234f0329f618274e67eabChris Lattner /// getPointerToFunction - The different EE's represent function bodies in 317895be4bae2c4f9a2fd2234f0329f618274e67eabChris Lattner /// different ways. They should each implement this to say what a function 3184c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin /// pointer should look like. When F is destroyed, the ExecutionEngine will 3197a9034c4db248fe8b8cb82762881b51b221988d3Jeffrey Yasskin /// remove its global mapping and free any machine code. Be sure no threads 3207a9034c4db248fe8b8cb82762881b51b221988d3Jeffrey Yasskin /// are running inside F when that happens. 321fb0ef2e82cb2e80983c097100ae168af68ee8e7bBrian Gaeke virtual void *getPointerToFunction(Function *F) = 0; 322bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner 323f32a6a3091e0b01d17926f4b1cf78972854b8cb5Chris Lattner /// getPointerToBasicBlock - The different EE's represent basic blocks in 324f32a6a3091e0b01d17926f4b1cf78972854b8cb5Chris Lattner /// different ways. Return the representation for a blockaddress of the 325f32a6a3091e0b01d17926f4b1cf78972854b8cb5Chris Lattner /// specified block. 326f32a6a3091e0b01d17926f4b1cf78972854b8cb5Chris Lattner virtual void *getPointerToBasicBlock(BasicBlock *BB) = 0; 327f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 328895be4bae2c4f9a2fd2234f0329f618274e67eabChris Lattner /// getPointerToFunctionOrStub - If the specified function has been 329895be4bae2c4f9a2fd2234f0329f618274e67eabChris Lattner /// code-gen'd, return a pointer to the function. If not, compile it, or use 3304c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin /// a stub to implement lazy compilation if available. See 3314c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin /// getPointerToFunction for the requirements on destroying F. 33218cb4c3c747ac2439ca9fb1218edd8993df69d7aChris Lattner virtual void *getPointerToFunctionOrStub(Function *F) { 33318cb4c3c747ac2439ca9fb1218edd8993df69d7aChris Lattner // Default implementation, just codegen the function. 33418cb4c3c747ac2439ca9fb1218edd8993df69d7aChris Lattner return getPointerToFunction(F); 33518cb4c3c747ac2439ca9fb1218edd8993df69d7aChris Lattner } 33618cb4c3c747ac2439ca9fb1218edd8993df69d7aChris Lattner 337b3a847db0b991d3210706a2580428fdc2b6bf037Argyrios Kyrtzidis // The JIT overrides a version that actually does this. 3385e0644c73e0415e85c035ad1306a86554dd26df7Bill Wendling virtual void runJITOnFunction(Function *, MachineCodeInfo * = 0) { } 339b3a847db0b991d3210706a2580428fdc2b6bf037Argyrios Kyrtzidis 340c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// getGlobalValueAtAddress - Return the LLVM global value object that starts 341c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// at the specified address. 342c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner /// 343c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner const GlobalValue *getGlobalValueAtAddress(void *Addr); 344c8a07d7378699b8d11ce2a1549b984d84706da19Chris Lattner 34548dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// StoreValueToMemory - Stores the data in Val of type Ty at address Ptr. 34648dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// Ptr is the address of the memory at which to store Val, cast to 34748dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// GenericValue *. It is not a pointer to a GenericValue containing the 34848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// address at which to store Val. 349f4cc3096fd893cdef5b5c2664ebff8c13a07ad51Chris Lattner void StoreValueToMemory(const GenericValue &Val, GenericValue *Ptr, 350db125cfaf57cc83e7dd7453de2d509bc8efd0e5eChris Lattner Type *Ty); 35148dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar 35229794cba810ec249a9ede5ea77333a71579fd182Brian Gaeke void InitializeMemory(const Constant *Init, void *Addr); 35329794cba810ec249a9ede5ea77333a71579fd182Brian Gaeke 35448dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// recompileAndRelinkFunction - This method is used to force a function which 35548dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// has already been compiled to be compiled again, possibly after it has been 35648dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// modified. Then the entry to the old copy is overwritten with a branch to 35748dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// the new copy. If there was no old copy, this acts just like 35848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// VM::getPointerToFunction(). 35918cb4c3c747ac2439ca9fb1218edd8993df69d7aChris Lattner virtual void *recompileAndRelinkFunction(Function *F) = 0; 36018cb4c3c747ac2439ca9fb1218edd8993df69d7aChris Lattner 361e81aaf238c32dbc34274ede09fb16aa78dae9f53Misha Brukman /// freeMachineCodeForFunction - Release memory in the ExecutionEngine 362e81aaf238c32dbc34274ede09fb16aa78dae9f53Misha Brukman /// corresponding to the machine code emitted to execute this function, useful 363e81aaf238c32dbc34274ede09fb16aa78dae9f53Misha Brukman /// for garbage-collecting generated code. 364e81aaf238c32dbc34274ede09fb16aa78dae9f53Misha Brukman virtual void freeMachineCodeForFunction(Function *F) = 0; 365e81aaf238c32dbc34274ede09fb16aa78dae9f53Misha Brukman 3661514b5b334c72e1e190fe1ce2bce7bf7d8a91c1aChris Lattner /// getOrEmitGlobalVariable - Return the address of the specified global 3671514b5b334c72e1e190fe1ce2bce7bf7d8a91c1aChris Lattner /// variable, possibly emitting it to memory if needed. This is used by the 3684c5b23b24f230607fa18a162519875a91a5e89e0Jeffrey Yasskin /// Emitter. 3691514b5b334c72e1e190fe1ce2bce7bf7d8a91c1aChris Lattner virtual void *getOrEmitGlobalVariable(const GlobalVariable *GV) { 37072ea0c9ffaa1700730c8ce36e9b73aef4b914988Galina Kistanova return getPointerToGlobal((const GlobalValue *)GV); 3711514b5b334c72e1e190fe1ce2bce7bf7d8a91c1aChris Lattner } 372df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskin 373df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskin /// Registers a listener to be called back on various events within 374df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskin /// the JIT. See JITEventListener.h for more details. Does not 375df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskin /// take ownership of the argument. The argument may be NULL, in 376df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskin /// which case these functions do nothing. 377df225c0253aa987830fbd3dfcb5d9f8f7f973336Bill Wendling virtual void RegisterJITEventListener(JITEventListener *) {} 378df225c0253aa987830fbd3dfcb5d9f8f7f973336Bill Wendling virtual void UnregisterJITEventListener(JITEventListener *) {} 379df5a7daff9c7664bff8b713e8ed5155319bc6041Jeffrey Yasskin 3801c489455ea5fac43a5f20911dfb5486630eb0160Andrew Kaylor /// Sets the pre-compiled object cache. The ownership of the ObjectCache is 3811c489455ea5fac43a5f20911dfb5486630eb0160Andrew Kaylor /// not changed. Supported by MCJIT but not JIT. 3821c489455ea5fac43a5f20911dfb5486630eb0160Andrew Kaylor virtual void setObjectCache(ObjectCache *) { 3831c489455ea5fac43a5f20911dfb5486630eb0160Andrew Kaylor llvm_unreachable("No support for an object cache"); 3841c489455ea5fac43a5f20911dfb5486630eb0160Andrew Kaylor } 3851c489455ea5fac43a5f20911dfb5486630eb0160Andrew Kaylor 38618fec73e29d68b9c7473720507f51de39b0873b1Jeffrey Yasskin /// DisableLazyCompilation - When lazy compilation is off (the default), the 387dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// JIT will eagerly compile every function reachable from the argument to 388dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// getPointerToFunction. If lazy compilation is turned on, the JIT will only 389dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// compile the one function and emit stubs to compile the rest when they're 390dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// first called. If lazy compilation is turned off again while some lazy 391dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// stubs are still around, and one of those stubs is called, the program will 392dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// abort. 393dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// 394dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// In order to safely compile lazily in a threaded program, the user must 395dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// ensure that 1) only one thread at a time can call any particular lazy 396dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// stub, and 2) any thread modifying LLVM IR must hold the JIT's lock 397dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// (ExecutionEngine::lock) or otherwise ensure that no other thread calls a 398dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin /// lazy stub. See http://llvm.org/PR5184 for details. 39918fec73e29d68b9c7473720507f51de39b0873b1Jeffrey Yasskin void DisableLazyCompilation(bool Disabled = true) { 40018fec73e29d68b9c7473720507f51de39b0873b1Jeffrey Yasskin CompilingLazily = !Disabled; 4011c1a44699049cf56713a46ccaef7c747e4a888a3Chris Lattner } 402dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin bool isCompilingLazily() const { 403dc85724f703bddf6988b6b3f20203beab775f32bJeffrey Yasskin return CompilingLazily; 4041c1a44699049cf56713a46ccaef7c747e4a888a3Chris Lattner } 40518fec73e29d68b9c7473720507f51de39b0873b1Jeffrey Yasskin // Deprecated in favor of isCompilingLazily (to reduce double-negatives). 40618fec73e29d68b9c7473720507f51de39b0873b1Jeffrey Yasskin // Remove this in LLVM 2.8. 40718fec73e29d68b9c7473720507f51de39b0873b1Jeffrey Yasskin bool isLazyCompilationDisabled() const { 40818fec73e29d68b9c7473720507f51de39b0873b1Jeffrey Yasskin return !CompilingLazily; 40918fec73e29d68b9c7473720507f51de39b0873b1Jeffrey Yasskin } 410446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng 41177f86ad08775e0ed2a704ef09ffff3dbd6e04583Evan Cheng /// DisableGVCompilation - If called, the JIT will abort if it's asked to 41277f86ad08775e0ed2a704ef09ffff3dbd6e04583Evan Cheng /// allocate space and populate a GlobalVariable that is not internal to 41377f86ad08775e0ed2a704ef09ffff3dbd6e04583Evan Cheng /// the module. 414446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng void DisableGVCompilation(bool Disabled = true) { 415446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng GVCompilationDisabled = Disabled; 416446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng } 417446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng bool isGVCompilationDisabled() const { 418446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng return GVCompilationDisabled; 419446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng } 420446531e7bb4355117b070493ca8e81e4b123ef18Evan Cheng 421e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner /// DisableSymbolSearching - If called, the JIT will not try to lookup unknown 422e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner /// symbols with dlsym. A client can still use InstallLazyFunctionCreator to 423e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner /// resolve symbols in a custom way. 424e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner void DisableSymbolSearching(bool Disabled = true) { 425e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner SymbolSearchingDisabled = Disabled; 426e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner } 427e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner bool isSymbolSearchingDisabled() const { 428e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner return SymbolSearchingDisabled; 429e846db667529eeeae531ce3b7382e18888d1eba0Chris Lattner } 4306f348e458660063a40052b208bab96895c822877Jeffrey Yasskin 431d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner /// InstallLazyFunctionCreator - If an unknown function is needed, the 432d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner /// specified function pointer is invoked to create it. If it returns null, 433d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner /// the JIT will abort. 434d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner void InstallLazyFunctionCreator(void* (*P)(const std::string &)) { 435d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner LazyFunctionCreator = P; 436d958a5a9feea7239a73c2068f43f237db550f46eChris Lattner } 437f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 438afe6c2b001a924cd74bd0aacfed5984d9af004b0Nicolas Geoffray /// InstallExceptionTableRegister - The JIT will use the given function 439afe6c2b001a924cd74bd0aacfed5984d9af004b0Nicolas Geoffray /// to register the exception tables it generates. 440b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands void InstallExceptionTableRegister(EERegisterFn F) { 441afe6c2b001a924cd74bd0aacfed5984d9af004b0Nicolas Geoffray ExceptionTableRegister = F; 442afe6c2b001a924cd74bd0aacfed5984d9af004b0Nicolas Geoffray } 443b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands void InstallExceptionTableDeregister(EERegisterFn F) { 444b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands ExceptionTableDeregister = F; 445b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands } 446f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach 44748dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// RegisterTable - Registers the given pointer as an exception table. It 44848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// uses the ExceptionTableRegister function. 449515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher void RegisterTable(const Function *fn, void* res) { 450b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands if (ExceptionTableRegister) { 451afe6c2b001a924cd74bd0aacfed5984d9af004b0Nicolas Geoffray ExceptionTableRegister(res); 452515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher AllExceptionTables[fn] = res; 453515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher } 454515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher } 455515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher 456f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach /// DeregisterTable - Deregisters the exception frame previously registered 457f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach /// for the given function. 458515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher void DeregisterTable(const Function *Fn) { 459515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher if (ExceptionTableDeregister) { 460f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach DenseMap<const Function*, void*>::iterator frame = 461f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach AllExceptionTables.find(Fn); 462515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher if(frame != AllExceptionTables.end()) { 463515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher ExceptionTableDeregister(frame->second); 464515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher AllExceptionTables.erase(frame); 465515c67ee77f8d9c417efc0fe04615d269bfb70e4Eric Christopher } 466b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands } 467afe6c2b001a924cd74bd0aacfed5984d9af004b0Nicolas Geoffray } 4681514b5b334c72e1e190fe1ce2bce7bf7d8a91c1aChris Lattner 469b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands /// DeregisterAllTables - Deregisters all previously registered pointers to an 47048dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbar /// exception tables. It uses the ExceptionTableoDeregister function. 471b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands void DeregisterAllTables(); 472b35fd448cea32da671ecd3ecaad3cc637598c6e0Duncan Sands 47356adf152f6354a9b5609e059050fd2315ad5960cChris Lattnerprotected: 474f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin explicit ExecutionEngine(Module *M); 4759f2f142d255bc96f109dd5c6524a485937b1f3a1Chris Lattner 476bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner void emitGlobals(); 4773ddc05bdde6ed65f93340ea467d362e80c0ceb9cChris Lattner 4781514b5b334c72e1e190fe1ce2bce7bf7d8a91c1aChris Lattner void EmitGlobalVariable(const GlobalVariable *GV); 4793ddc05bdde6ed65f93340ea467d362e80c0ceb9cChris Lattner 480bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner GenericValue getConstantValue(const Constant *C); 481f5b23368d27ef7dd44b2c45b5c08812ac99c7661Jim Grosbach void LoadValueFromMemory(GenericValue &Result, GenericValue *Ptr, 482db125cfaf57cc83e7dd7453de2d509bc8efd0e5eChris Lattner Type *Ty); 483bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner}; 484bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner 4854b1511b027ce0b648b3379f2891816c25b46f515Reid Klecknernamespace EngineKind { 4864b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner // These are actually bitmasks that get or-ed together. 4874b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner enum Kind { 4884b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner JIT = 0x1, 4894b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner Interpreter = 0x2 4904b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner }; 4914b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner const static Kind Either = (Kind)(JIT | Interpreter); 4924b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner} 4934b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 4944b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner/// EngineBuilder - Builder class for ExecutionEngines. Use this by 4954b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner/// stack-allocating a builder, chaining the various set* methods, and 4964b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner/// terminating it with a .create() call. 4974b1511b027ce0b648b3379f2891816c25b46f515Reid Klecknerclass EngineBuilder { 49848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbarprivate: 499f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin Module *M; 5004b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner EngineKind::Kind WhichEngine; 5014b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner std::string *ErrorStr; 5024b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner CodeGenOpt::Level OptLevel; 50313a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo RTDyldMemoryManager *MCJMM; 5044b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner JITMemoryManager *JMM; 5054b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner bool AllocateGVsWithCode; 506d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne TargetOptions Options; 507439661395fd2a2a832dba01c65bc88718528313cEvan Cheng Reloc::Model RelocModel; 50888b5aca20a6dd0a8b15ff620bdee59aae567d245Eric Christopher CodeModel::Model CMModel; 5094688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin std::string MArch; 5104688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin std::string MCPU; 5114688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin SmallVector<std::string, 4> MAttrs; 5126d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar bool UseMCJIT; 5134b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 5144b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// InitEngine - Does the common initialization of default options. 5154b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner void InitEngine() { 5164b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner WhichEngine = EngineKind::Either; 5174b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner ErrorStr = NULL; 5184b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner OptLevel = CodeGenOpt::Default; 51913a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo MCJMM = NULL; 5204b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner JMM = NULL; 521d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne Options = TargetOptions(); 5224b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner AllocateGVsWithCode = false; 523439661395fd2a2a832dba01c65bc88718528313cEvan Cheng RelocModel = Reloc::Default; 52434ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng CMModel = CodeModel::JITDefault; 5256d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar UseMCJIT = false; 5264b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner } 5274b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 52848dd875be12006060260526e4a1df0bae48dd5c9Daniel Dunbarpublic: 5294b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// EngineBuilder - Constructor for EngineBuilder. If create() is called and 530f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin /// is successful, the created engine takes ownership of the module. 531f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin EngineBuilder(Module *m) : M(m) { 5324b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner InitEngine(); 5334b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner } 5344b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 5354b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// setEngineKind - Controls whether the user wants the interpreter, the JIT, 5364b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// or whichever engine works. This option defaults to EngineKind::Either. 5374b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner EngineBuilder &setEngineKind(EngineKind::Kind w) { 5384b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner WhichEngine = w; 5394b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner return *this; 5404b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner } 54113a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo 54213a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// setMCJITMemoryManager - Sets the MCJIT memory manager to use. This allows 54313a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// clients to customize their memory allocation policies for the MCJIT. This 54413a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// is only appropriate for the MCJIT; setting this and configuring the builder 54513a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// to create anything other than MCJIT will cause a runtime error. If create() 54613a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// is called and is successful, the created engine takes ownership of the 54713a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// memory manager. This option defaults to NULL. Using this option nullifies 54813a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// the setJITMemoryManager() option. 54913a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo EngineBuilder &setMCJITMemoryManager(RTDyldMemoryManager *mcjmm) { 55013a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo MCJMM = mcjmm; 55113a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo JMM = NULL; 55213a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo return *this; 55313a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo } 5544b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 55513a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// setJITMemoryManager - Sets the JIT memory manager to use. This allows 55613a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// clients to customize their memory allocation policies. This is only 55713a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// appropriate for either JIT or MCJIT; setting this and configuring the 55813a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// builder to create an interpreter will cause a runtime error. If create() 55913a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// is called and is successful, the created engine takes ownership of the 56013a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// memory manager. This option defaults to NULL. This option overrides 56113a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo /// setMCJITMemoryManager() as well. 5624b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner EngineBuilder &setJITMemoryManager(JITMemoryManager *jmm) { 56313a3cf192887233fb9452ec5b7f841e4652c33c7Filip Pizlo MCJMM = NULL; 5644b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner JMM = jmm; 5654b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner return *this; 5664b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner } 5674b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 5684b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// setErrorStr - Set the error string to write to on error. This option 5694b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// defaults to NULL. 5704b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner EngineBuilder &setErrorStr(std::string *e) { 5714b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner ErrorStr = e; 5724b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner return *this; 5734b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner } 5744b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 5754b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// setOptLevel - Set the optimization level for the JIT. This option 5764b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// defaults to CodeGenOpt::Default. 5774b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner EngineBuilder &setOptLevel(CodeGenOpt::Level l) { 5784b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner OptLevel = l; 5794b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner return *this; 5804b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner } 5814b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 582d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne /// setTargetOptions - Set the target options that the ExecutionEngine 583d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne /// target is using. Defaults to TargetOptions(). 584d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne EngineBuilder &setTargetOptions(const TargetOptions &Opts) { 585d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne Options = Opts; 586d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne return *this; 587d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne } 588d40e103ea5bca8a223fc8261b3322b9454e9af12Peter Collingbourne 589439661395fd2a2a832dba01c65bc88718528313cEvan Cheng /// setRelocationModel - Set the relocation model that the ExecutionEngine 590439661395fd2a2a832dba01c65bc88718528313cEvan Cheng /// target is using. Defaults to target specific default "Reloc::Default". 591439661395fd2a2a832dba01c65bc88718528313cEvan Cheng EngineBuilder &setRelocationModel(Reloc::Model RM) { 592439661395fd2a2a832dba01c65bc88718528313cEvan Cheng RelocModel = RM; 593439661395fd2a2a832dba01c65bc88718528313cEvan Cheng return *this; 594439661395fd2a2a832dba01c65bc88718528313cEvan Cheng } 595439661395fd2a2a832dba01c65bc88718528313cEvan Cheng 59688b5aca20a6dd0a8b15ff620bdee59aae567d245Eric Christopher /// setCodeModel - Set the CodeModel that the ExecutionEngine target 59734ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng /// data is using. Defaults to target specific default 59834ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng /// "CodeModel::JITDefault". 59988b5aca20a6dd0a8b15ff620bdee59aae567d245Eric Christopher EngineBuilder &setCodeModel(CodeModel::Model M) { 60088b5aca20a6dd0a8b15ff620bdee59aae567d245Eric Christopher CMModel = M; 60188b5aca20a6dd0a8b15ff620bdee59aae567d245Eric Christopher return *this; 60288b5aca20a6dd0a8b15ff620bdee59aae567d245Eric Christopher } 60388b5aca20a6dd0a8b15ff620bdee59aae567d245Eric Christopher 6044b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// setAllocateGVsWithCode - Sets whether global values should be allocated 6054b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// into the same buffer as code. For most applications this should be set 6064b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// to false. Allocating globals with code breaks freeMachineCodeForFunction 6074b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// and is probably unsafe and bad for performance. However, we have clients 6084b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// who depend on this behavior, so we must support it. This option defaults 6094b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// to false so that users of the new API can safely use the new memory 6104b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner /// manager and free machine code. 6114b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner EngineBuilder &setAllocateGVsWithCode(bool a) { 6124b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner AllocateGVsWithCode = a; 6134b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner return *this; 6144b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner } 6154b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 6164688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin /// setMArch - Override the architecture set by the Module's triple. 6174688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin EngineBuilder &setMArch(StringRef march) { 6184688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin MArch.assign(march.begin(), march.end()); 6194688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin return *this; 6204688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin } 6214688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin 6224688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin /// setMCPU - Target a specific cpu type. 6234688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin EngineBuilder &setMCPU(StringRef mcpu) { 6244688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin MCPU.assign(mcpu.begin(), mcpu.end()); 6254688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin return *this; 6264688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin } 6274688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin 6286d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar /// setUseMCJIT - Set whether the MC-JIT implementation should be used 6296d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar /// (experimental). 630714b34fc24d5df02aff01bd64eb80e5945d663acJim Grosbach EngineBuilder &setUseMCJIT(bool Value) { 6316d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar UseMCJIT = Value; 632714b34fc24d5df02aff01bd64eb80e5945d663acJim Grosbach return *this; 6336d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar } 6346d135972bf4e7fdc4de6b0538d6a3b91a06e3a5dDaniel Dunbar 6354688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin /// setMAttrs - Set cpu-specific attributes. 6364688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin template<typename StringSequence> 6374688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin EngineBuilder &setMAttrs(const StringSequence &mattrs) { 6384688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin MAttrs.clear(); 6394688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin MAttrs.append(mattrs.begin(), mattrs.end()); 6404688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin return *this; 6414688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin } 6424688261c20735f5ead2f08695acdeb727db31894Jeffrey Yasskin 6438e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson TargetMachine *selectTarget(); 6448e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson 6452ea29ba2a8ddd7ba4b946eb754f1a39304d9fc09Dylan Noblesmith /// selectTarget - Pick a target either via -march or by guessing the native 6462ea29ba2a8ddd7ba4b946eb754f1a39304d9fc09Dylan Noblesmith /// arch. Add any CPU features specified via -mcpu or -mattr. 6478e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson TargetMachine *selectTarget(const Triple &TargetTriple, 6488e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson StringRef MArch, 6498e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson StringRef MCPU, 6508e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson const SmallVectorImpl<std::string>& MAttrs); 6518e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson 6528e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson ExecutionEngine *create() { 6538e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson return create(selectTarget()); 6548e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson } 6558e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson 6568e1fc56b2496270d1d6040cb648eef5d5aeb6079Owen Anderson ExecutionEngine *create(TargetMachine *TM); 6574b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner}; 6584b1511b027ce0b648b3379f2891816c25b46f515Reid Kleckner 65940be1e85665d10f5444186f0e7106e368dd735b8Filip Pizlo// Create wrappers for C Binding types (see CBindingWrapping.h). 66040be1e85665d10f5444186f0e7106e368dd735b8Filip PizloDEFINE_SIMPLE_CONVERSION_FUNCTIONS(ExecutionEngine, LLVMExecutionEngineRef) 66143dfffe890f58468e2fe01f312978d7aa5303801Eric Christopher 662d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke} // End llvm namespace 663d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 664bd199fb1148b9e16c4e6f3d0ee386c2505a55b71Chris Lattner#endif 665