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b4fc419d83
1. Spell SectionFlags::Writeable as "Writable". 2. Add predicates for deriving SectionFlags from SectionKinds. 3. Sink ELF-specific getSectionPrefixForUniqueGlobal impl into ELFTargetAsmInfo. 4. Fix SectionFlagsForGlobal to know that BSS/ThreadBSS has the BSS bit set (the real fix for PR4619). 5. Fix isSuitableForBSS to not put globals with explicit sections set in BSS (which was the reason #4 wasn't fixed earlier). 6. Remove my previous hack for PR4619. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77085 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
//===---- ELFTargetAsmInfo.h - ELF asm properties ---------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines target asm properties related what form asm statements
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// should take in general on ELF-based targets
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ELF_TARGET_ASM_INFO_H
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#define LLVM_ELF_TARGET_ASM_INFO_H
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#include "llvm/Target/TargetAsmInfo.h"
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namespace llvm {
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class GlobalValue;
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class GlobalVariable;
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class Type;
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struct ELFTargetAsmInfo: public TargetAsmInfo {
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explicit ELFTargetAsmInfo(const TargetMachine &TM);
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/// getSectionForMergableConstant - Given a mergable constant with the
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/// specified size and relocation information, return a section that it
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/// should be placed in.
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virtual const Section *
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getSectionForMergableConstant(uint64_t Size, unsigned ReloInfo) const;
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/// getFlagsForNamedSection - If this target wants to be able to infer
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/// section flags based on the name of the section specified for a global
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/// variable, it can implement this. This is used on ELF systems so that
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/// ".tbss" gets the TLS bit set etc.
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virtual unsigned getFlagsForNamedSection(const char *Section) const;
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const char *getSectionPrefixForUniqueGlobal(SectionKind::Kind Kind) const;
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virtual const Section* SelectSectionForGlobal(const GlobalValue *GV,
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SectionKind::Kind Kind) const;
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virtual std::string printSectionFlags(unsigned flags) const;
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const Section* DataRelSection;
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const Section* DataRelLocalSection;
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const Section* DataRelROSection;
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const Section* DataRelROLocalSection;
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private:
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const Section* MergeableStringSection(const GlobalVariable *GV) const;
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};
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}
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#endif // LLVM_ELF_TARGET_ASM_INFO_H
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