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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
commit | 718c552901d703c502ccbefdfc3c9028d608b947 (patch) | |
tree | 46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/llvm12/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp | |
parent | e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff) | |
download | ydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/llvm12/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp')
-rw-r--r-- | contrib/libs/llvm12/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp | 190 |
1 files changed, 95 insertions, 95 deletions
diff --git a/contrib/libs/llvm12/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp b/contrib/libs/llvm12/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp index dc7da5d934..f9464af237 100644 --- a/contrib/libs/llvm12/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp +++ b/contrib/libs/llvm12/lib/DebugInfo/DWARF/DWARFDebugRangeList.cpp @@ -1,102 +1,102 @@ -//===- DWARFDebugRangesList.cpp -------------------------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#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 = -1ULL; - AddressSize = 0; - Entries.clear(); -} - -Error DWARFDebugRangeList::extract(const DWARFDataExtractor &data, - uint64_t *offset_ptr) { - clear(); - if (!data.isValidOffset(*offset_ptr)) - return createStringError(errc::invalid_argument, - "invalid range list offset 0x%" PRIx64, *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; - - uint64_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%" PRIx64, - 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 ? "%08" PRIx64 " %08" PRIx64 " %08" PRIx64 "\n" - : "%08" PRIx64 " %016" PRIx64 " %016" PRIx64 "\n"); - OS << format(format_str, Offset, RLE.StartAddress, RLE.EndAddress); - } - OS << format("%08" PRIx64 " <End of list>\n", Offset); -} - -DWARFAddressRangesVector DWARFDebugRangeList::getAbsoluteRanges( - llvm::Optional<object::SectionedAddress> BaseAddr) const { - DWARFAddressRangesVector Res; +//===- DWARFDebugRangesList.cpp -------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#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 = -1ULL; + AddressSize = 0; + Entries.clear(); +} + +Error DWARFDebugRangeList::extract(const DWARFDataExtractor &data, + uint64_t *offset_ptr) { + clear(); + if (!data.isValidOffset(*offset_ptr)) + return createStringError(errc::invalid_argument, + "invalid range list offset 0x%" PRIx64, *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; + + uint64_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%" PRIx64, + 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 ? "%08" PRIx64 " %08" PRIx64 " %08" PRIx64 "\n" + : "%08" PRIx64 " %016" PRIx64 " %016" PRIx64 "\n"); + OS << format(format_str, Offset, RLE.StartAddress, RLE.EndAddress); + } + OS << format("%08" PRIx64 " <End of list>\n", Offset); +} + +DWARFAddressRangesVector DWARFDebugRangeList::getAbsoluteRanges( + llvm::Optional<object::SectionedAddress> BaseAddr) const { + DWARFAddressRangesVector Res; // debug_addr can't use the max integer tombstone because that's used for the // base address specifier entry - so use max-1. uint64_t Tombstone = dwarf::computeTombstoneAddress(AddressSize) - 1; - for (const RangeListEntry &RLE : Entries) { - if (RLE.isBaseAddressSelectionEntry(AddressSize)) { - BaseAddr = {RLE.EndAddress, RLE.SectionIndex}; - continue; - } - - DWARFAddressRange E; - E.LowPC = RLE.StartAddress; + for (const RangeListEntry &RLE : Entries) { + if (RLE.isBaseAddressSelectionEntry(AddressSize)) { + BaseAddr = {RLE.EndAddress, RLE.SectionIndex}; + continue; + } + + DWARFAddressRange E; + E.LowPC = RLE.StartAddress; if (E.LowPC == Tombstone) continue; - 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.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) { if (BaseAddr->Address == Tombstone) continue; - E.LowPC += BaseAddr->Address; - E.HighPC += BaseAddr->Address; - if (E.SectionIndex == -1ULL) - E.SectionIndex = BaseAddr->SectionIndex; - } - Res.push_back(E); - } - return Res; -} + E.LowPC += BaseAddr->Address; + E.HighPC += BaseAddr->Address; + if (E.SectionIndex == -1ULL) + E.SectionIndex = BaseAddr->SectionIndex; + } + Res.push_back(E); + } + return Res; +} |