aboutsummaryrefslogtreecommitdiffstats
path: root/include/llvm/MC/MCObjectSymbolizer.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/MC/MCObjectSymbolizer.h')
-rw-r--r--include/llvm/MC/MCObjectSymbolizer.h83
1 files changed, 0 insertions, 83 deletions
diff --git a/include/llvm/MC/MCObjectSymbolizer.h b/include/llvm/MC/MCObjectSymbolizer.h
deleted file mode 100644
index f75b7f5..0000000
--- a/include/llvm/MC/MCObjectSymbolizer.h
+++ /dev/null
@@ -1,83 +0,0 @@
-//===-- llvm/MC/MCObjectSymbolizer.h --------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file declares the MCObjectSymbolizer class, an MCSymbolizer that is
-// backed by an object::ObjectFile.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_MC_MCOBJECTSYMBOLIZER_H
-#define LLVM_MC_MCOBJECTSYMBOLIZER_H
-
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/MC/MCSymbolizer.h"
-#include "llvm/Object/ObjectFile.h"
-#include <vector>
-
-namespace llvm {
-
-class MCExpr;
-class MCInst;
-class MCRelocationInfo;
-class raw_ostream;
-
-/// \brief An ObjectFile-backed symbolizer.
-class MCObjectSymbolizer : public MCSymbolizer {
-protected:
- const object::ObjectFile *Obj;
-
- // Map a load address to the first relocation that applies there. As far as I
- // know, if there are several relocations at the exact same address, they are
- // related and the others can be determined from the first that was found in
- // the relocation table. For instance, on x86-64 mach-o, a SUBTRACTOR
- // relocation (referencing the minuend symbol) is followed by an UNSIGNED
- // relocation (referencing the subtrahend symbol).
- const object::RelocationRef *findRelocationAt(uint64_t Addr);
- const object::SectionRef *findSectionContaining(uint64_t Addr);
-
- MCObjectSymbolizer(MCContext &Ctx, std::unique_ptr<MCRelocationInfo> RelInfo,
- const object::ObjectFile *Obj);
-
-public:
- /// \name Overridden MCSymbolizer methods:
- /// @{
- bool tryAddingSymbolicOperand(MCInst &MI, raw_ostream &cStream,
- int64_t Value, uint64_t Address,
- bool IsBranch, uint64_t Offset,
- uint64_t InstSize) override;
-
- void tryAddingPcLoadReferenceComment(raw_ostream &cStream,
- int64_t Value,
- uint64_t Address) override;
- /// @}
-
- /// \brief Look for an external function symbol at \p Addr.
- /// (References through the ELF PLT, Mach-O stubs, and similar).
- /// \returns An MCExpr representing the external symbol, or 0 if not found.
- virtual StringRef findExternalFunctionAt(uint64_t Addr);
-
- /// \brief Create an object symbolizer for \p Obj.
- static MCObjectSymbolizer *
- createObjectSymbolizer(MCContext &Ctx,
- std::unique_ptr<MCRelocationInfo> RelInfo,
- const object::ObjectFile *Obj);
-
-private:
- typedef DenseMap<uint64_t, object::RelocationRef> AddrToRelocMap;
- typedef std::vector<object::SectionRef> SortedSectionList;
- SortedSectionList SortedSections;
- AddrToRelocMap AddrToReloc;
-
- void buildSectionList();
- void buildRelocationByAddrMap();
-};
-
-}
-
-#endif