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author | vitalyisaev <vitalyisaev@yandex-team.com> | 2023-06-29 10:00:50 +0300 |
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committer | vitalyisaev <vitalyisaev@yandex-team.com> | 2023-06-29 10:00:50 +0300 |
commit | 6ffe9e53658409f212834330e13564e4952558f6 (patch) | |
tree | 85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/llvm14/include/llvm/MC/SectionKind.h | |
parent | 726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff) | |
download | ydb-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/MC/SectionKind.h')
-rw-r--r-- | contrib/libs/llvm14/include/llvm/MC/SectionKind.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/contrib/libs/llvm14/include/llvm/MC/SectionKind.h b/contrib/libs/llvm14/include/llvm/MC/SectionKind.h new file mode 100644 index 0000000000..e020190ecc --- /dev/null +++ b/contrib/libs/llvm14/include/llvm/MC/SectionKind.h @@ -0,0 +1,223 @@ +#pragma once + +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-parameter" +#endif + +//===-- llvm/MC/SectionKind.h - Classification of sections ------*- 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_MC_SECTIONKIND_H +#define LLVM_MC_SECTIONKIND_H + +namespace llvm { + +/// SectionKind - This is a simple POD value that classifies the properties of +/// a section. A section is classified into the deepest possible +/// classification, and then the target maps them onto their sections based on +/// what capabilities they have. +/// +/// The comments below describe these as if they were an inheritance hierarchy +/// in order to explain the predicates below. +/// +class SectionKind { + enum Kind { + /// Metadata - Debug info sections or other metadata. + Metadata, + + /// Text - Text section, used for functions and other executable code. + Text, + + /// ExecuteOnly, Text section that is not readable. + ExecuteOnly, + + /// ReadOnly - Data that is never written to at program runtime by the + /// program or the dynamic linker. Things in the top-level readonly + /// SectionKind are not mergeable. + ReadOnly, + + /// MergableCString - Any null-terminated string which allows merging. + /// These values are known to end in a nul value of the specified size, + /// not otherwise contain a nul value, and be mergable. This allows the + /// linker to unique the strings if it so desires. + + /// Mergeable1ByteCString - 1 byte mergable, null terminated, string. + Mergeable1ByteCString, + + /// Mergeable2ByteCString - 2 byte mergable, null terminated, string. + Mergeable2ByteCString, + + /// Mergeable4ByteCString - 4 byte mergable, null terminated, string. + Mergeable4ByteCString, + + /// MergeableConst - These are sections for merging fixed-length + /// constants together. For example, this can be used to unique + /// constant pool entries etc. + + /// MergeableConst4 - This is a section used by 4-byte constants, + /// for example, floats. + MergeableConst4, + + /// MergeableConst8 - This is a section used by 8-byte constants, + /// for example, doubles. + MergeableConst8, + + /// MergeableConst16 - This is a section used by 16-byte constants, + /// for example, vectors. + MergeableConst16, + + /// MergeableConst32 - This is a section used by 32-byte constants, + /// for example, vectors. + MergeableConst32, + + /// Writeable - This is the base of all segments that need to be written + /// to during program runtime. + + /// ThreadLocal - This is the base of all TLS segments. All TLS + /// objects must be writeable, otherwise there is no reason for them to + /// be thread local! + + /// ThreadBSS - Zero-initialized TLS data objects. + ThreadBSS, + + /// ThreadData - Initialized TLS data objects. + ThreadData, + + /// ThreadBSSLocal - Zero-initialized TLS data objects with local linkage. + ThreadBSSLocal, + + /// GlobalWriteableData - Writeable data that is global (not thread + /// local). + + /// BSS - Zero initialized writeable data. + BSS, + + /// BSSLocal - This is BSS (zero initialized and writable) data + /// which has local linkage. + BSSLocal, + + /// BSSExtern - This is BSS data with normal external linkage. + BSSExtern, + + /// Common - Data with common linkage. These represent tentative + /// definitions, which always have a zero initializer and are never + /// marked 'constant'. + Common, + + /// This is writeable data that has a non-zero initializer. + Data, + + /// ReadOnlyWithRel - These are global variables that are never + /// written to by the program, but that have relocations, so they + /// must be stuck in a writeable section so that the dynamic linker + /// can write to them. If it chooses to, the dynamic linker can + /// mark the pages these globals end up on as read-only after it is + /// done with its relocation phase. + ReadOnlyWithRel + } K : 8; +public: + + bool isMetadata() const { return K == Metadata; } + + bool isText() const { return K == Text || K == ExecuteOnly; } + + bool isExecuteOnly() const { return K == ExecuteOnly; } + + bool isReadOnly() const { + return K == ReadOnly || isMergeableCString() || + isMergeableConst(); + } + + bool isMergeableCString() const { + return K == Mergeable1ByteCString || K == Mergeable2ByteCString || + K == Mergeable4ByteCString; + } + bool isMergeable1ByteCString() const { return K == Mergeable1ByteCString; } + bool isMergeable2ByteCString() const { return K == Mergeable2ByteCString; } + bool isMergeable4ByteCString() const { return K == Mergeable4ByteCString; } + + bool isMergeableConst() const { + return K == MergeableConst4 || K == MergeableConst8 || + K == MergeableConst16 || K == MergeableConst32; + } + bool isMergeableConst4() const { return K == MergeableConst4; } + bool isMergeableConst8() const { return K == MergeableConst8; } + bool isMergeableConst16() const { return K == MergeableConst16; } + bool isMergeableConst32() const { return K == MergeableConst32; } + + bool isWriteable() const { + return isThreadLocal() || isGlobalWriteableData(); + } + + bool isThreadLocal() const { + return K == ThreadData || K == ThreadBSS || K == ThreadBSSLocal; + } + + bool isThreadBSS() const { return K == ThreadBSS || K == ThreadBSSLocal; } + bool isThreadData() const { return K == ThreadData; } + bool isThreadBSSLocal() const { return K == ThreadBSSLocal; } + + bool isGlobalWriteableData() const { + return isBSS() || isCommon() || isData() || isReadOnlyWithRel(); + } + + bool isBSS() const { return K == BSS || K == BSSLocal || K == BSSExtern; } + bool isBSSLocal() const { return K == BSSLocal; } + bool isBSSExtern() const { return K == BSSExtern; } + + bool isCommon() const { return K == Common; } + + bool isData() const { return K == Data; } + + bool isReadOnlyWithRel() const { + return K == ReadOnlyWithRel; + } +private: + static SectionKind get(Kind K) { + SectionKind Res; + Res.K = K; + return Res; + } +public: + + static SectionKind getMetadata() { return get(Metadata); } + static SectionKind getText() { return get(Text); } + static SectionKind getExecuteOnly() { return get(ExecuteOnly); } + static SectionKind getReadOnly() { return get(ReadOnly); } + static SectionKind getMergeable1ByteCString() { + return get(Mergeable1ByteCString); + } + static SectionKind getMergeable2ByteCString() { + return get(Mergeable2ByteCString); + } + static SectionKind getMergeable4ByteCString() { + return get(Mergeable4ByteCString); + } + static SectionKind getMergeableConst4() { return get(MergeableConst4); } + static SectionKind getMergeableConst8() { return get(MergeableConst8); } + static SectionKind getMergeableConst16() { return get(MergeableConst16); } + static SectionKind getMergeableConst32() { return get(MergeableConst32); } + static SectionKind getThreadBSS() { return get(ThreadBSS); } + static SectionKind getThreadData() { return get(ThreadData); } + static SectionKind getThreadBSSLocal() { return get(ThreadBSSLocal); } + static SectionKind getBSS() { return get(BSS); } + static SectionKind getBSSLocal() { return get(BSSLocal); } + static SectionKind getBSSExtern() { return get(BSSExtern); } + static SectionKind getCommon() { return get(Common); } + static SectionKind getData() { return get(Data); } + static SectionKind getReadOnlyWithRel() { return get(ReadOnlyWithRel); } +}; + +} // end namespace llvm + +#endif + +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif |