X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FJITCodeEmitter.h;h=89f00e91f78ecf4aefd7539e4e90e0794c0abf65;hb=881a05b46c28299046bd0dc3d0b8c6677e68a4d7;hp=5da4961dbd39674ed2bc2b0ce0ad8854032b3ee5;hpb=1611273351d75b5cbe2a67485bb9831d5916fe26;p=oota-llvm.git diff --git a/include/llvm/CodeGen/JITCodeEmitter.h b/include/llvm/CodeGen/JITCodeEmitter.h index 5da4961dbd3..89f00e91f78 100644 --- a/include/llvm/CodeGen/JITCodeEmitter.h +++ b/include/llvm/CodeGen/JITCodeEmitter.h @@ -18,11 +18,10 @@ #define LLVM_CODEGEN_JITCODEEMITTER_H #include -#include "llvm/System/DataTypes.h" +#include "llvm/Support/DataTypes.h" #include "llvm/Support/MathExtras.h" #include "llvm/CodeGen/MachineCodeEmitter.h" - -using namespace std; +#include "llvm/ADT/DenseMap.h" namespace llvm { @@ -37,7 +36,7 @@ class GlobalValue; class Function; /// JITCodeEmitter - This class defines two sorts of methods: those for -/// emitting the actual bytes of machine code, and those for emitting auxillary +/// emitting the actual bytes of machine code, and those for emitting auxiliary /// structures, such as jump tables, relocations, etc. /// /// Emission of machine code is complicated by the fact that we don't (in @@ -52,6 +51,7 @@ class Function; /// occurred, more memory is allocated, and we reemit the code into it. /// class JITCodeEmitter : public MachineCodeEmitter { + virtual void anchor(); public: virtual ~JITCodeEmitter() {} @@ -173,13 +173,20 @@ public: /// emitULEB128Bytes - This callback is invoked when a ULEB128 needs to be /// written to the output stream. - void emitULEB128Bytes(uint64_t Value) { + void emitULEB128Bytes(uint64_t Value, unsigned PadTo = 0) { do { uint8_t Byte = Value & 0x7f; Value >>= 7; - if (Value) Byte |= 0x80; + if (Value || PadTo != 0) Byte |= 0x80; emitByte(Byte); } while (Value); + + if (PadTo) { + do { + uint8_t Byte = (PadTo > 1) ? 0x80 : 0x0; + emitByte(Byte); + } while (--PadTo); + } } /// emitSLEB128Bytes - This callback is invoked when a SLEB128 needs to be @@ -324,6 +331,10 @@ public: /// Specifies the MachineModuleInfo object. This is used for exception handling /// purposes. virtual void setModuleInfo(MachineModuleInfo* Info) = 0; + + /// getLabelLocations - Return the label locations map of the label IDs to + /// their address. + virtual DenseMap *getLabelLocations() { return 0; } }; } // End llvm namespace