llvm/llvm/lib/DebugInfo/GSYM/InlineInfo.cpp

//===- InlineInfo.cpp -------------------------------------------*- C++ -*-===//
//
// 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/GSYM/FileEntry.h"
#include "llvm/DebugInfo/GSYM/FileWriter.h"
#include "llvm/DebugInfo/GSYM/GsymReader.h"
#include "llvm/DebugInfo/GSYM/InlineInfo.h"
#include "llvm/Support/DataExtractor.h"
#include <algorithm>
#include <inttypes.h>

usingnamespacellvm;
usingnamespacegsym;


raw_ostream &llvm::gsym::operator<<(raw_ostream &OS, const InlineInfo &II) { … }

static bool getInlineStackHelper(const InlineInfo &II, uint64_t Addr,
    std::vector<const InlineInfo *> &InlineStack) { … }

std::optional<InlineInfo::InlineArray>
InlineInfo::getInlineStack(uint64_t Addr) const { … }

/// Skip an InlineInfo object in the specified data at the specified offset.
///
/// Used during the InlineInfo::lookup() call to quickly skip child InlineInfo
/// objects where the addres ranges isn't contained in the InlineInfo object
/// or its children. This avoids allocations by not appending child InlineInfo
/// objects to the InlineInfo::Children array.
///
/// \param Data The binary stream to read the data from.
///
/// \param Offset The byte offset within \a Data.
///
/// \param SkippedRanges If true, address ranges have already been skipped.

static bool skip(DataExtractor &Data, uint64_t &Offset, bool SkippedRanges) { … }

/// A Lookup helper functions.
///
/// Used during the InlineInfo::lookup() call to quickly only parse an
/// InlineInfo object if the address falls within this object. This avoids
/// allocations by not appending child InlineInfo objects to the
/// InlineInfo::Children array and also skips any InlineInfo objects that do
/// not contain the address we are looking up.
///
/// \param Data The binary stream to read the data from.
///
/// \param Offset The byte offset within \a Data.
///
/// \param BaseAddr The address that the relative address range offsets are
///                 relative to.

static bool lookup(const GsymReader &GR, DataExtractor &Data, uint64_t &Offset,
                   uint64_t BaseAddr, uint64_t Addr, SourceLocations &SrcLocs,
                   llvm::Error &Err) { … }

llvm::Error InlineInfo::lookup(const GsymReader &GR, DataExtractor &Data,
                               uint64_t BaseAddr, uint64_t Addr,
                               SourceLocations &SrcLocs) { … }

/// Decode an InlineInfo in Data at the specified offset.
///
/// A local helper function to decode InlineInfo objects. This function is
/// called recursively when parsing child InlineInfo objects.
///
/// \param Data The data extractor to decode from.
/// \param Offset The offset within \a Data to decode from.
/// \param BaseAddr The base address to use when decoding address ranges.
/// \returns An InlineInfo or an error describing the issue that was
/// encountered during decoding.
static llvm::Expected<InlineInfo> decode(DataExtractor &Data, uint64_t &Offset,
                                         uint64_t BaseAddr) { … }

llvm::Expected<InlineInfo> InlineInfo::decode(DataExtractor &Data,
                                              uint64_t BaseAddr) { … }

llvm::Error InlineInfo::encode(FileWriter &O, uint64_t BaseAddr) const { … }

static uint64_t GetTotalNumChildren(const InlineInfo &II) { … }

bool InlineInfo::operator<(const InlineInfo &RHS) const { … }