diff options
Diffstat (limited to 'include/llvm')
-rw-r--r-- | include/llvm/CodeGen/JITCodeEmitter.h | 7 | ||||
-rw-r--r-- | include/llvm/CodeGen/MachineCodeEmitter.h | 7 | ||||
-rw-r--r-- | include/llvm/CodeGen/ObjectCodeEmitter.h | 7 |
3 files changed, 21 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/JITCodeEmitter.h b/include/llvm/CodeGen/JITCodeEmitter.h index 5ce6e83e56..c3f95b4198 100644 --- a/include/llvm/CodeGen/JITCodeEmitter.h +++ b/include/llvm/CodeGen/JITCodeEmitter.h @@ -289,6 +289,13 @@ public: return CurBufferPtr-BufferBegin; } + /// earlyResolveAddresses - True if the code emitter can use symbol addresses + /// during code emission time. The JIT is capable of doing this because it + /// creates jump tables or constant pools in memory on the fly while the + /// object code emitters rely on a linker to have real addresses and should + /// use relocations instead. + bool earlyResolveAddresses() const { return true; } + /// addRelocation - Whenever a relocatable address is needed, it should be /// noted with this interface. virtual void addRelocation(const MachineRelocation &MR) = 0; diff --git a/include/llvm/CodeGen/MachineCodeEmitter.h b/include/llvm/CodeGen/MachineCodeEmitter.h index 20a9ad78e7..707b020f95 100644 --- a/include/llvm/CodeGen/MachineCodeEmitter.h +++ b/include/llvm/CodeGen/MachineCodeEmitter.h @@ -280,6 +280,13 @@ public: return CurBufferPtr-BufferBegin; } + /// earlyResolveAddresses - True if the code emitter can use symbol addresses + /// during code emission time. The JIT is capable of doing this because it + /// creates jump tables or constant pools in memory on the fly while the + /// object code emitters rely on a linker to have real addresses and should + /// use relocations instead. + virtual bool earlyResolveAddresses() const = 0; + /// addRelocation - Whenever a relocatable address is needed, it should be /// noted with this interface. virtual void addRelocation(const MachineRelocation &MR) = 0; diff --git a/include/llvm/CodeGen/ObjectCodeEmitter.h b/include/llvm/CodeGen/ObjectCodeEmitter.h index 4ed061609b..8252e07d84 100644 --- a/include/llvm/CodeGen/ObjectCodeEmitter.h +++ b/include/llvm/CodeGen/ObjectCodeEmitter.h @@ -109,6 +109,13 @@ public: /// noted with this interface. void addRelocation(const MachineRelocation& relocation); + /// earlyResolveAddresses - True if the code emitter can use symbol addresses + /// during code emission time. The JIT is capable of doing this because it + /// creates jump tables or constant pools in memory on the fly while the + /// object code emitters rely on a linker to have real addresses and should + /// use relocations instead. + bool earlyResolveAddresses() const { return false; } + /// startFunction - This callback is invoked when the specified function is /// about to be code generated. This initializes the BufferBegin/End/Ptr /// fields. |