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| author | Wolfgang Pieb <Wolfgang.Pieb@sony.com> | 2018-09-14 09:14:10 +0000 |
|---|---|---|
| committer | Wolfgang Pieb <Wolfgang.Pieb@sony.com> | 2018-09-14 09:14:10 +0000 |
| commit | 55dbac9f078e655aff62dc692e05e60485fa1850 (patch) | |
| tree | fb70fe61719b0b4bb5d9ecd2201328cdfa407f9a /llvm/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp | |
| parent | 3ef3dd7c8c26f2553ac9280c540622159510ac5b (diff) | |
| download | bcm5719-llvm-55dbac9f078e655aff62dc692e05e60485fa1850.tar.gz bcm5719-llvm-55dbac9f078e655aff62dc692e05e60485fa1850.zip | |
[DWARF] reposting r342048, which was reverted in r342056 due to buildbot
errors.
Adjusted 2 test cases for ARM and darwin and fixed a bug with the original
change in dsymutil.
llvm-svn: 342218
Diffstat (limited to 'llvm/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp')
| -rw-r--r-- | llvm/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp deleted file mode 100644 index 84e3c634f54..00000000000 --- a/llvm/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp +++ /dev/null @@ -1,96 +0,0 @@ -//===- DWARFDebugRangesList.cpp -------------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h" -#include "llvm/DebugInfo/DWARF/DWARFContext.h" -#include "llvm/Support/Errc.h" -#include "llvm/Support/Format.h" -#include "llvm/Support/raw_ostream.h" -#include <cinttypes> -#include <cstdint> - -using namespace llvm; - -void DWARFDebugRangeList::clear() { - Offset = -1U; - AddressSize = 0; - Entries.clear(); -} - -Error DWARFDebugRangeList::extract(const DWARFDataExtractor &data, - uint32_t *offset_ptr) { - clear(); - if (!data.isValidOffset(*offset_ptr)) - return createStringError(errc::invalid_argument, - "invalid range list offset 0x%" PRIx32, *offset_ptr); - - AddressSize = data.getAddressSize(); - if (AddressSize != 4 && AddressSize != 8) - return createStringError(errc::invalid_argument, - "invalid address size: %" PRIu8, AddressSize); - Offset = *offset_ptr; - while (true) { - RangeListEntry Entry; - Entry.SectionIndex = -1ULL; - - uint32_t prev_offset = *offset_ptr; - Entry.StartAddress = data.getRelocatedAddress(offset_ptr); - Entry.EndAddress = - data.getRelocatedAddress(offset_ptr, &Entry.SectionIndex); - - // Check that both values were extracted correctly. - if (*offset_ptr != prev_offset + 2 * AddressSize) { - clear(); - return createStringError(errc::invalid_argument, - "invalid range list entry at offset 0x%" PRIx32, - prev_offset); - } - if (Entry.isEndOfListEntry()) - break; - Entries.push_back(Entry); - } - return Error::success(); -} - -void DWARFDebugRangeList::dump(raw_ostream &OS) const { - for (const RangeListEntry &RLE : Entries) { - const char *format_str = (AddressSize == 4 - ? "%08x %08" PRIx64 " %08" PRIx64 "\n" - : "%08x %016" PRIx64 " %016" PRIx64 "\n"); - OS << format(format_str, Offset, RLE.StartAddress, RLE.EndAddress); - } - OS << format("%08x <End of list>\n", Offset); -} - -DWARFAddressRangesVector DWARFDebugRangeList::getAbsoluteRanges( - llvm::Optional<BaseAddress> BaseAddr) const { - DWARFAddressRangesVector Res; - for (const RangeListEntry &RLE : Entries) { - if (RLE.isBaseAddressSelectionEntry(AddressSize)) { - BaseAddr = {RLE.EndAddress, RLE.SectionIndex}; - continue; - } - - DWARFAddressRange E; - E.LowPC = RLE.StartAddress; - E.HighPC = RLE.EndAddress; - E.SectionIndex = RLE.SectionIndex; - // Base address of a range list entry is determined by the closest preceding - // base address selection entry in the same range list. It defaults to the - // base address of the compilation unit if there is no such entry. - if (BaseAddr) { - E.LowPC += BaseAddr->Address; - E.HighPC += BaseAddr->Address; - if (E.SectionIndex == -1ULL) - E.SectionIndex = BaseAddr->SectionIndex; - } - Res.push_back(E); - } - return Res; -} |

