diff options
Diffstat (limited to 'llvm/include')
| -rw-r--r-- | llvm/include/llvm/ExecutionEngine/Orc/OrcABISupport.h (renamed from llvm/include/llvm/ExecutionEngine/Orc/OrcArchitectureSupport.h) | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/llvm/include/llvm/ExecutionEngine/Orc/OrcArchitectureSupport.h b/llvm/include/llvm/ExecutionEngine/Orc/OrcABISupport.h index 921069cdaba..4a8d0b0b801 100644 --- a/llvm/include/llvm/ExecutionEngine/Orc/OrcArchitectureSupport.h +++ b/llvm/include/llvm/ExecutionEngine/Orc/OrcABISupport.h @@ -1,4 +1,4 @@ -//===-- OrcArchitectureSupport.h - Architecture support code ---*- C++ -*-===// +//===-------------- OrcABISupport.h - ABI support code ---------*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -7,16 +7,16 @@ // //===----------------------------------------------------------------------===// // -// Architecture specific code for Orc, e.g. callback assembly. +// ABI specific code for Orc, e.g. callback assembly. // -// Architecture classes should be part of the JIT *target* process, not the host +// ABI classes should be part of the JIT *target* process, not the host // process (except where you're doing hosted JITing and the two are one and the // same). // //===----------------------------------------------------------------------===// -#ifndef LLVM_EXECUTIONENGINE_ORC_ORCARCHITECTURESUPPORT_H -#define LLVM_EXECUTIONENGINE_ORC_ORCARCHITECTURESUPPORT_H +#ifndef LLVM_EXECUTIONENGINE_ORC_ORCABISUPPORT_H +#define LLVM_EXECUTIONENGINE_ORC_ORCABISUPPORT_H #include "IndirectionUtils.h" #include "llvm/Support/Memory.h" @@ -25,13 +25,13 @@ namespace llvm { namespace orc { -/// Generic ORC Architecture support. +/// Generic ORC ABI support. /// /// This class can be substituted as the target architecure support class for /// ORC templates that require one (e.g. IndirectStubsManagers). It does not /// support lazy JITing however, and any attempt to use that functionality /// will result in execution of an llvm_unreachable. -class OrcGenericArchitecture { +class OrcGenericABI { public: static const unsigned PointerSize = sizeof(uintptr_t); static const unsigned TrampolineSize = 1; @@ -138,24 +138,16 @@ public: unsigned MinStubs, void *InitialPtrVal); }; -/// @brief X86_64 support. +/// @brief X86_64 code that's common to all ABIs. /// /// X86_64 supports lazy JITing. -class OrcX86_64 { +class OrcX86_64_Base { public: static const unsigned PointerSize = 8; static const unsigned TrampolineSize = 8; - static const unsigned ResolverCodeSize = 0x6C; typedef GenericIndirectStubsInfo<8> IndirectStubsInfo; - typedef TargetAddress (*JITReentryFn)(void *CallbackMgr, void *TrampolineId); - - /// @brief Write the resolver code into the given memory. The user is be - /// responsible for allocating the memory and setting permissions. - static void writeResolverCode(uint8_t *ResolveMem, JITReentryFn Reentry, - void *CallbackMgr); - /// @brief Write the requsted number of trampolines into the given memory, /// which must be big enough to hold 1 pointer, plus NumTrampolines /// trampolines. @@ -172,6 +164,34 @@ public: unsigned MinStubs, void *InitialPtrVal); }; +/// @brief X86_64 support for SysV ABI (Linux, MacOSX). +/// +/// X86_64_SysV supports lazy JITing. +class OrcX86_64_SysV : public OrcX86_64_Base { +public: + static const unsigned ResolverCodeSize = 0x6C; + typedef TargetAddress(*JITReentryFn)(void *CallbackMgr, void *TrampolineId); + + /// @brief Write the resolver code into the given memory. The user is be + /// responsible for allocating the memory and setting permissions. + static void writeResolverCode(uint8_t *ResolveMem, JITReentryFn Reentry, + void *CallbackMgr); +}; + +/// @brief X86_64 support for Win32. +/// +/// X86_64_Win32 supports lazy JITing. +class OrcX86_64_Win32 : public OrcX86_64_Base { +public: + static const unsigned ResolverCodeSize = 0x74; + typedef TargetAddress(*JITReentryFn)(void *CallbackMgr, void *TrampolineId); + + /// @brief Write the resolver code into the given memory. The user is be + /// responsible for allocating the memory and setting permissions. + static void writeResolverCode(uint8_t *ResolveMem, JITReentryFn Reentry, + void *CallbackMgr); +}; + /// @brief I386 support. /// /// I386 supports lazy JITing. @@ -209,4 +229,4 @@ public: } // End namespace orc. } // End namespace llvm. -#endif // LLVM_EXECUTIONENGINE_ORC_ORCARCHITECTURESUPPORT_H +#endif // LLVM_EXECUTIONENGINE_ORC_ORCABISUPPORT_H |
