diff options
Diffstat (limited to 'lib/DebugInfo/DWARFDebugLoc.cpp')
-rw-r--r-- | lib/DebugInfo/DWARFDebugLoc.cpp | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/lib/DebugInfo/DWARFDebugLoc.cpp b/lib/DebugInfo/DWARFDebugLoc.cpp deleted file mode 100644 index e4aa5dc..0000000 --- a/lib/DebugInfo/DWARFDebugLoc.cpp +++ /dev/null @@ -1,128 +0,0 @@ -//===-- DWARFDebugLoc.cpp -------------------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "DWARFDebugLoc.h" -#include "llvm/Support/Compiler.h" -#include "llvm/Support/Format.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/Support/Dwarf.h" - -using namespace llvm; - -void DWARFDebugLoc::dump(raw_ostream &OS) const { - for (const LocationList &L : Locations) { - OS << format("0x%8.8x: ", L.Offset); - const unsigned Indent = 12; - for (const Entry &E : L.Entries) { - if (&E != L.Entries.begin()) - OS.indent(Indent); - OS << "Beginning address offset: " << format("0x%016" PRIx64, E.Begin) - << '\n'; - OS.indent(Indent) << " Ending address offset: " - << format("0x%016" PRIx64, E.End) << '\n'; - OS.indent(Indent) << " Location description: "; - for (unsigned char Loc : E.Loc) { - OS << format("%2.2x ", Loc); - } - OS << "\n\n"; - } - } -} - -void DWARFDebugLoc::parse(DataExtractor data, unsigned AddressSize) { - uint32_t Offset = 0; - while (data.isValidOffset(Offset+AddressSize-1)) { - Locations.resize(Locations.size() + 1); - LocationList &Loc = Locations.back(); - Loc.Offset = Offset; - // 2.6.2 Location Lists - // A location list entry consists of: - while (true) { - Entry E; - RelocAddrMap::const_iterator AI = RelocMap.find(Offset); - // 1. A beginning address offset. ... - E.Begin = data.getUnsigned(&Offset, AddressSize); - if (AI != RelocMap.end()) - E.Begin += AI->second.second; - - AI = RelocMap.find(Offset); - // 2. An ending address offset. ... - E.End = data.getUnsigned(&Offset, AddressSize); - if (AI != RelocMap.end()) - E.End += AI->second.second; - - // The end of any given location list is marked by an end of list entry, - // which consists of a 0 for the beginning address offset and a 0 for the - // ending address offset. - if (E.Begin == 0 && E.End == 0) - break; - - unsigned Bytes = data.getU16(&Offset); - // A single location description describing the location of the object... - StringRef str = data.getData().substr(Offset, Bytes); - Offset += Bytes; - E.Loc.reserve(str.size()); - std::copy(str.begin(), str.end(), std::back_inserter(E.Loc)); - Loc.Entries.push_back(std::move(E)); - } - } - if (data.isValidOffset(Offset)) - llvm::errs() << "error: failed to consume entire .debug_loc section\n"; -} - -void DWARFDebugLocDWO::parse(DataExtractor data) { - uint32_t Offset = 0; - while (data.isValidOffset(Offset)) { - Locations.resize(Locations.size() + 1); - LocationList &Loc = Locations.back(); - Loc.Offset = Offset; - dwarf::LocationListEntry Kind; - while ((Kind = static_cast<dwarf::LocationListEntry>( - data.getU8(&Offset))) != dwarf::DW_LLE_end_of_list_entry) { - - if (Kind != dwarf::DW_LLE_start_length_entry) { - llvm::errs() << "error: dumping support for LLE of kind " << (int)Kind - << " not implemented\n"; - return; - } - - Entry E; - - E.Start = data.getULEB128(&Offset); - E.Length = data.getU32(&Offset); - - unsigned Bytes = data.getU16(&Offset); - // A single location description describing the location of the object... - StringRef str = data.getData().substr(Offset, Bytes); - Offset += Bytes; - E.Loc.resize(str.size()); - std::copy(str.begin(), str.end(), E.Loc.begin()); - - Loc.Entries.push_back(std::move(E)); - } - } -} - -void DWARFDebugLocDWO::dump(raw_ostream &OS) const { - for (const LocationList &L : Locations) { - OS << format("0x%8.8x: ", L.Offset); - const unsigned Indent = 12; - for (const Entry &E : L.Entries) { - if (&E != L.Entries.begin()) - OS.indent(Indent); - OS << "Beginning address index: " << E.Start << '\n'; - OS.indent(Indent) << " Length: " << E.Length << '\n'; - OS.indent(Indent) << " Location description: "; - for (unsigned char Loc : E.Loc) - OS << format("%2.2x ", Loc); - OS << "\n\n"; - } - } -} - |