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authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/llvm14/include/llvm/DebugInfo/DWARF/DWARFRelocMap.h
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
Diffstat (limited to 'contrib/libs/llvm14/include/llvm/DebugInfo/DWARF/DWARFRelocMap.h')
-rw-r--r--contrib/libs/llvm14/include/llvm/DebugInfo/DWARF/DWARFRelocMap.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/contrib/libs/llvm14/include/llvm/DebugInfo/DWARF/DWARFRelocMap.h b/contrib/libs/llvm14/include/llvm/DebugInfo/DWARF/DWARFRelocMap.h
new file mode 100644
index 0000000000..4cbb7d12b4
--- /dev/null
+++ b/contrib/libs/llvm14/include/llvm/DebugInfo/DWARF/DWARFRelocMap.h
@@ -0,0 +1,49 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===- DWARFRelocMap.h ------------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
+#define LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
+
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/Object/RelocationResolver.h"
+#include <cstdint>
+
+namespace llvm {
+
+/// RelocAddrEntry contains relocated value and section index.
+/// Section index is -1LL if relocation points to absolute symbol.
+struct RelocAddrEntry {
+ uint64_t SectionIndex;
+ object::RelocationRef Reloc;
+ uint64_t SymbolValue;
+ Optional<object::RelocationRef> Reloc2;
+ uint64_t SymbolValue2;
+ object::RelocationResolver Resolver;
+};
+
+/// In place of applying the relocations to the data we've read from disk we use
+/// a separate mapping table to the side and checking that at locations in the
+/// dwarf where we expect relocated values. This adds a bit of complexity to the
+/// dwarf parsing/extraction at the benefit of not allocating memory for the
+/// entire size of the debug info sections.
+using RelocAddrMap = DenseMap<uint64_t, RelocAddrEntry>;
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif