| //===- llvm/CodeGen/MachineModuleInfoImpls.h --------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines object-file format specific implementations of |
| // MachineModuleInfoImpl. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H |
| #define LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H |
| |
| #include "llvm/ADT/DenseMap.h" |
| #include "llvm/CodeGen/MachineModuleInfo.h" |
| #include <cassert> |
| |
| namespace llvm { |
| |
| class MCSymbol; |
| |
| /// MachineModuleInfoMachO - This is a MachineModuleInfoImpl implementation |
| /// for MachO targets. |
| class MachineModuleInfoMachO : public MachineModuleInfoImpl { |
| /// GVStubs - Darwin '$non_lazy_ptr' stubs. The key is something like |
| /// "Lfoo$non_lazy_ptr", the value is something like "_foo". The extra bit |
| /// is true if this GV is external. |
| DenseMap<MCSymbol *, StubValueTy> GVStubs; |
| |
| /// ThreadLocalGVStubs - Darwin '$non_lazy_ptr' stubs. The key is something |
| /// like "Lfoo$non_lazy_ptr", the value is something like "_foo". The extra |
| /// bit is true if this GV is external. |
| DenseMap<MCSymbol *, StubValueTy> ThreadLocalGVStubs; |
| |
| virtual void anchor(); // Out of line virtual method. |
| |
| public: |
| MachineModuleInfoMachO(const MachineModuleInfo &) {} |
| |
| StubValueTy &getGVStubEntry(MCSymbol *Sym) { |
| assert(Sym && "Key cannot be null"); |
| return GVStubs[Sym]; |
| } |
| |
| StubValueTy &getThreadLocalGVStubEntry(MCSymbol *Sym) { |
| assert(Sym && "Key cannot be null"); |
| return ThreadLocalGVStubs[Sym]; |
| } |
| |
| /// Accessor methods to return the set of stubs in sorted order. |
| SymbolListTy GetGVStubList() { return getSortedStubs(GVStubs); } |
| SymbolListTy GetThreadLocalGVStubList() { |
| return getSortedStubs(ThreadLocalGVStubs); |
| } |
| }; |
| |
| /// MachineModuleInfoELF - This is a MachineModuleInfoImpl implementation |
| /// for ELF targets. |
| class MachineModuleInfoELF : public MachineModuleInfoImpl { |
| /// GVStubs - These stubs are used to materialize global addresses in PIC |
| /// mode. |
| DenseMap<MCSymbol *, StubValueTy> GVStubs; |
| |
| virtual void anchor(); // Out of line virtual method. |
| |
| public: |
| MachineModuleInfoELF(const MachineModuleInfo &) {} |
| |
| StubValueTy &getGVStubEntry(MCSymbol *Sym) { |
| assert(Sym && "Key cannot be null"); |
| return GVStubs[Sym]; |
| } |
| |
| /// Accessor methods to return the set of stubs in sorted order. |
| |
| SymbolListTy GetGVStubList() { return getSortedStubs(GVStubs); } |
| }; |
| |
| /// MachineModuleInfoCOFF - This is a MachineModuleInfoImpl implementation |
| /// for COFF targets. |
| class MachineModuleInfoCOFF : public MachineModuleInfoImpl { |
| /// GVStubs - These stubs are used to materialize global addresses in PIC |
| /// mode. |
| DenseMap<MCSymbol *, StubValueTy> GVStubs; |
| |
| virtual void anchor(); // Out of line virtual method. |
| |
| public: |
| MachineModuleInfoCOFF(const MachineModuleInfo &) {} |
| |
| StubValueTy &getGVStubEntry(MCSymbol *Sym) { |
| assert(Sym && "Key cannot be null"); |
| return GVStubs[Sym]; |
| } |
| |
| /// Accessor methods to return the set of stubs in sorted order. |
| |
| SymbolListTy GetGVStubList() { return getSortedStubs(GVStubs); } |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H |