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authorDimitry Andric <dim@FreeBSD.org>2019-08-20 20:50:12 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-08-20 20:50:12 +0000
commite6d1592492a3a379186bfb02bd0f4eda0669c0d5 (patch)
tree599ab169a01f1c86eda9adc774edaedde2f2db5b /lib/DebugInfo/DWARF/DWARFDebugAranges.cpp
parent1a56a5ead7a2e84bee8240f5f6b033b5f1707154 (diff)
Notes
Diffstat (limited to 'lib/DebugInfo/DWARF/DWARFDebugAranges.cpp')
-rw-r--r--lib/DebugInfo/DWARF/DWARFDebugAranges.cpp26
1 files changed, 7 insertions, 19 deletions
diff --git a/lib/DebugInfo/DWARF/DWARFDebugAranges.cpp b/lib/DebugInfo/DWARF/DWARFDebugAranges.cpp
index e8c5dec821b4..6460c9feeab8 100644
--- a/lib/DebugInfo/DWARF/DWARFDebugAranges.cpp
+++ b/lib/DebugInfo/DWARF/DWARFDebugAranges.cpp
@@ -1,9 +1,8 @@
//===- DWARFDebugAranges.cpp ----------------------------------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// 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
//
//===----------------------------------------------------------------------===//
@@ -115,20 +114,9 @@ void DWARFDebugAranges::construct() {
}
uint32_t DWARFDebugAranges::findAddress(uint64_t Address) const {
- if (!Aranges.empty()) {
- Range range(Address);
- RangeCollIterator begin = Aranges.begin();
- RangeCollIterator end = Aranges.end();
- RangeCollIterator pos =
- std::lower_bound(begin, end, range);
-
- if (pos != end && pos->containsAddress(Address)) {
- return pos->CUOffset;
- } else if (pos != begin) {
- --pos;
- if (pos->containsAddress(Address))
- return pos->CUOffset;
- }
- }
+ RangeCollIterator It =
+ partition_point(Aranges, [=](Range R) { return R.HighPC() <= Address; });
+ if (It != Aranges.end() && It->LowPC <= Address)
+ return It->CUOffset;
return -1U;
}