LCOV - code coverage report
Current view: top level - include/llvm/CodeGen - MachineModuleInfoImpls.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 10 10 100.0 %
Date: 2018-02-23 15:42:53 Functions: 3 4 75.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- llvm/CodeGen/MachineModuleInfoImpls.h --------------------*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : // This file defines object-file format specific implementations of
      11             : // MachineModuleInfoImpl.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H
      16             : #define LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H
      17             : 
      18             : #include "llvm/ADT/DenseMap.h"
      19             : #include "llvm/CodeGen/MachineModuleInfo.h"
      20             : #include <cassert>
      21             : 
      22             : namespace llvm {
      23             : 
      24             : class MCSymbol;
      25             : 
      26             : /// MachineModuleInfoMachO - This is a MachineModuleInfoImpl implementation
      27             : /// for MachO targets.
      28        6750 : class MachineModuleInfoMachO : public MachineModuleInfoImpl {
      29             :   /// GVStubs - Darwin '$non_lazy_ptr' stubs.  The key is something like
      30             :   /// "Lfoo$non_lazy_ptr", the value is something like "_foo". The extra bit
      31             :   /// is true if this GV is external.
      32             :   DenseMap<MCSymbol *, StubValueTy> GVStubs;
      33             : 
      34             :   /// ThreadLocalGVStubs - Darwin '$non_lazy_ptr' stubs.  The key is something
      35             :   /// like "Lfoo$non_lazy_ptr", the value is something like "_foo". The extra
      36             :   /// bit is true if this GV is external.
      37             :   DenseMap<MCSymbol *, StubValueTy> ThreadLocalGVStubs;
      38             : 
      39             :   virtual void anchor(); // Out of line virtual method.
      40             : 
      41             : public:
      42        4500 :   MachineModuleInfoMachO(const MachineModuleInfo &) {}
      43             : 
      44             :   StubValueTy &getGVStubEntry(MCSymbol *Sym) {
      45             :     assert(Sym && "Key cannot be null");
      46        1700 :     return GVStubs[Sym];
      47             :   }
      48             : 
      49             :   StubValueTy &getThreadLocalGVStubEntry(MCSymbol *Sym) {
      50             :     assert(Sym && "Key cannot be null");
      51          14 :     return ThreadLocalGVStubs[Sym];
      52             :   }
      53             : 
      54             :   /// Accessor methods to return the set of stubs in sorted order.
      55        2250 :   SymbolListTy GetGVStubList() { return getSortedStubs(GVStubs); }
      56             :   SymbolListTy GetThreadLocalGVStubList() {
      57         758 :     return getSortedStubs(ThreadLocalGVStubs);
      58             :   }
      59             : };
      60             : 
      61             : /// MachineModuleInfoELF - This is a MachineModuleInfoImpl implementation
      62             : /// for ELF targets.
      63       30712 : class MachineModuleInfoELF : public MachineModuleInfoImpl {
      64             :   /// GVStubs - These stubs are used to materialize global addresses in PIC
      65             :   /// mode.
      66             :   DenseMap<MCSymbol *, StubValueTy> GVStubs;
      67             : 
      68             :   virtual void anchor(); // Out of line virtual method.
      69             : 
      70             : public:
      71       15357 :   MachineModuleInfoELF(const MachineModuleInfo &) {}
      72             : 
      73             :   StubValueTy &getGVStubEntry(MCSymbol *Sym) {
      74             :     assert(Sym && "Key cannot be null");
      75          53 :     return GVStubs[Sym];
      76             :   }
      77             : 
      78             :   /// Accessor methods to return the set of stubs in sorted order.
      79             : 
      80       15350 :   SymbolListTy GetGVStubList() { return getSortedStubs(GVStubs); }
      81             : };
      82             : 
      83             : } // end namespace llvm
      84             : 
      85             : #endif // LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H

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