diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h index 92d1bbe..9915bca 100644 --- a/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h +++ b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h @@ -14,18 +14,18 @@ #ifndef CODEGEN_ASMPRINTER_DWARFACCELTABLE_H__ #define CODEGEN_ASMPRINTER_DWARFACCELTABLE_H__ -#include "llvm/ADT/StringMap.h" +#include "DIE.h" #include "llvm/ADT/ArrayRef.h" +#include "llvm/ADT/StringMap.h" #include "llvm/MC/MCSymbol.h" -#include "llvm/Support/Dwarf.h" #include "llvm/Support/DataTypes.h" #include "llvm/Support/Debug.h" +#include "llvm/Support/Dwarf.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/Format.h" #include "llvm/Support/FormattedStream.h" -#include "DIE.h" -#include <vector> #include <map> +#include <vector> // The dwarf accelerator tables are an indirect hash table optimized // for null lookup rather than access to known data. They are output into @@ -51,7 +51,7 @@ // section contains all of the 32-bit hash values in contiguous memory, and // the offsets contain the offset into the data area for the particular // hash. -// +// // For a lookup example, we could hash a function name and take it modulo the // number of buckets giving us our bucket. From there we take the bucket value // as an index into the hashes table and look at each successive hash as long @@ -63,8 +63,8 @@ namespace llvm { class AsmPrinter; class DIE; -class DwarfDebug; - +class DwarfUnits; + class DwarfAccelTable { enum HashFunctionType { @@ -81,7 +81,7 @@ class DwarfAccelTable { // Helper function to compute the number of buckets needed based on // the number of unique hashes. void ComputeBucketCount (void); - + struct TableHeader { uint32_t magic; // 'HASH' magic value to allow endian detection uint16_t version; // Version number. @@ -94,7 +94,7 @@ class DwarfAccelTable { // Also written to disk is the implementation specific header data. static const uint32_t MagicHash = 0x48415348; - + TableHeader (uint32_t data_len) : magic (MagicHash), version (1), hash_function (eHashFunctionDJB), bucket_count (0), hashes_count (0), header_data_len (data_len) @@ -123,7 +123,7 @@ public: // // uint32_t die_offset_base // uint32_t atom_count - // atom_count Atoms + // atom_count Atoms enum AtomType { eAtomTypeNULL = 0u, eAtomTypeDIEOffset = 1u, // DIE offset, check form for encoding @@ -138,12 +138,12 @@ public: enum TypeFlags { eTypeFlagClassMask = 0x0000000fu, - + // Always set for C++, only set for ObjC if this is the // @implementation for a class. eTypeFlagClassIsImplementation = ( 1u << 1 ) - }; - + }; + // Make these public so that they can be used as a general interface to // the class. struct Atom { @@ -245,7 +245,7 @@ private: void EmitBuckets(AsmPrinter *); void EmitHashes(AsmPrinter *); void EmitOffsets(AsmPrinter *, MCSymbol *); - void EmitData(AsmPrinter *, DwarfDebug *D); + void EmitData(AsmPrinter *, DwarfUnits *D); // Allocator for HashData and HashDataContents. BumpPtrAllocator Allocator; @@ -265,14 +265,14 @@ private: typedef std::vector<HashList> BucketList; BucketList Buckets; HashList Hashes; - + // Public Implementation public: DwarfAccelTable(ArrayRef<DwarfAccelTable::Atom>); ~DwarfAccelTable(); void AddName(StringRef, DIE*, char = 0); void FinalizeTable(AsmPrinter *, const char *); - void Emit(AsmPrinter *, MCSymbol *, DwarfDebug *); + void Emit(AsmPrinter *, MCSymbol *, DwarfUnits *); #ifndef NDEBUG void print(raw_ostream &O); void dump() { print(dbgs()); } |
