lib/DebugInfo/GSYM/Range.cpp

   1 //===- Range.cpp ------------------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "llvm/DebugInfo/GSYM/Range.h"
  11 #include <algorithm>
  12 #include <inttypes.h>
  13
  14 using namespace llvm;
  15 using namespace gsym;
  16
  17
  18 void AddressRanges::insert(AddressRange Range) {
  19   if (Range.size() == 0)
  20     return;
  21
  22   auto It = llvm::upper_bound(Ranges, Range);
  23   auto It2 = It;
  24   while (It2 != Ranges.end() && It2->Start < Range.End)
  25     ++It2;
  26   if (It != It2) {
  27     Range.End = std::max(Range.End, It2[-1].End);
  28     It = Ranges.erase(It, It2);
  29   }
  30   if (It != Ranges.begin() && Range.Start < It[-1].End)
  31     It[-1].End = std::max(It[-1].End, Range.End);
  32   else
  33     Ranges.insert(It, Range);
  34 }
  35
  36 bool AddressRanges::contains(uint64_t Addr) const {
  37   auto It = std::partition_point(
  38       Ranges.begin(), Ranges.end(),
  39       [=](const AddressRange &R) { return R.Start <= Addr; });
  40   return It != Ranges.begin() && Addr < It[-1].End;
  41 }
  42
  43 raw_ostream &llvm::gsym::operator<<(raw_ostream &OS, const AddressRange &R) {
  44   return OS << '[' << HEX64(R.Start) << " - " << HEX64(R.End) << ")";
  45 }
  46
  47 raw_ostream &llvm::gsym::operator<<(raw_ostream &OS, const AddressRanges &AR) {
  48   size_t Size = AR.size();
  49   for (size_t I = 0; I < Size; ++I) {
  50     if (I)
  51       OS << ' ';
  52     OS << AR[I];
  53   }
  54   return OS;
  55 }