Infrastructure for more compact bytecode files and REAL support for versioning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5716 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-03-06 17:55:45 +00:00
parent 6e5a0e4e89
commit 036b8aa030
2 changed files with 47 additions and 9 deletions

View File

@ -57,6 +57,12 @@ public:
private: // All of this data is transient across calls to ParseBytecode
Module *TheModule; // Current Module being read into...
// Information about the module, extracted from the bytecode revision number.
unsigned char RevisionNum; // The rev # itself
unsigned char FirstDerivedTyID; // First variable index to use for type
bool HasImplicitZeroInitializer; // Is entry 0 of every slot implicity zeros?
bool isBigEndian, hasLongPointers;// Information about the target compiled for
typedef std::vector<Value *> ValueList;
typedef std::vector<ValueList> ValueTable;
ValueTable Values, LateResolveValues;
@ -78,9 +84,6 @@ private: // All of this data is transient across calls to ParseBytecode
TypeValuesListTy ModuleTypeValues;
TypeValuesListTy FunctionTypeValues;
// Information read from the ModuleGlobalInfo section of the file...
unsigned FirstDerivedTyID;
// When the ModuleGlobalInfo section is read, we load the type of each
// function and the 'ModuleValues' slot that it lands in. We then load a
// placeholder into its slot to reserve it. When the function is loaded, this
@ -90,6 +93,7 @@ private: // All of this data is transient across calls to ParseBytecode
private:
bool ParseModule (const uchar * Buf, const uchar *End);
bool ParseVersionInfo (const uchar *&Buf, const uchar *End);
bool ParseModuleGlobalInfo(const uchar *&Buf, const uchar *End);
bool ParseSymbolTable (const uchar *&Buf, const uchar *End, SymbolTable *);
bool ParseFunction (const uchar *&Buf, const uchar *End);