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