139 lines
3.9 KiB
C++
139 lines
3.9 KiB
C++
//===- MCTargetOptions.h - MC Target Options --------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCTARGETOPTIONS_H
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#define LLVM_MC_MCTARGETOPTIONS_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/Support/CodeGen.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/Compression.h"
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#include <string>
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#include <vector>
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namespace llvm {
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enum class EmitDwarfUnwindType {
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Always, // Always emit dwarf unwind
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NoCompactUnwind, // Only emit if compact unwind isn't available
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DwarfOnly, // Force compact unwind to reference DWARF
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Default, // Default behavior is based on the target
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};
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// For ELF targets, whether to adjust relocations referencing eligible local
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// symbols to use section symbols.
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enum class RelocSectionSymType {
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All, // For all eligible local symbols (default)
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Internal, // For .L symbols
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None, // Never use section symbols
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};
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class StringRef;
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class MCTargetOptions {
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public:
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enum AsmInstrumentation {
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AsmInstrumentationNone,
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AsmInstrumentationAddress
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};
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bool MCRelaxAll : 1;
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bool MCNoExecStack : 1;
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bool MCFatalWarnings : 1;
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bool MCNoWarn : 1;
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bool MCNoDeprecatedWarn : 1;
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bool MCNoTypeCheck : 1;
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bool MCSaveTempLabels : 1;
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bool MCIncrementalLinkerCompatible : 1;
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bool FDPIC : 1;
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bool ShowMCEncoding : 1;
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bool ShowMCInst : 1;
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bool AsmVerbose : 1;
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/// Preserve Comments in Assembly.
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bool PreserveAsmComments : 1;
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bool Dwarf64 : 1;
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// Use CREL relocation format for ELF.
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bool Crel = false;
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bool ImplicitMapSyms = false;
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// If true, prefer R_X86_64_[REX_]GOTPCRELX to R_X86_64_GOTPCREL on x86-64
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// ELF.
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bool X86RelaxRelocations = true;
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bool X86Sse2Avx = false;
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// For ELF relocations, controls section symbol conversion.
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RelocSectionSymType RelocSectionSym = RelocSectionSymType::All;
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std::optional<unsigned> OutputAsmVariant;
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EmitDwarfUnwindType EmitDwarfUnwind;
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int DwarfVersion = 0;
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enum DwarfDirectory {
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// Force disable
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DisableDwarfDirectory,
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// Force enable, for assemblers that support
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// `.file fileno directory filename' syntax
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EnableDwarfDirectory,
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// Default is based on the target
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DefaultDwarfDirectory
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};
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DwarfDirectory MCUseDwarfDirectory;
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// Whether to compress DWARF debug sections.
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DebugCompressionType CompressDebugSections = DebugCompressionType::None;
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std::string ABIName;
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std::string AssemblyLanguage;
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std::string SplitDwarfFile;
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std::string AsSecureLogFile;
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// Used for codeview debug info. These will be set as compiler path and commandline arguments in LF_BUILDINFO
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std::string Argv0;
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std::string CommandlineArgs;
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/// Additional paths to search for `.include` directives when using the
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/// integrated assembler.
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std::vector<std::string> IASSearchPaths;
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// InstPrinter options.
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std::vector<std::string> InstPrinterOptions;
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// Whether to emit compact-unwind for non-canonical personality
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// functions on Darwins.
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bool EmitCompactUnwindNonCanonical : 1;
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// Whether to emit SFrame unwind sections.
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bool EmitSFrameUnwind : 1;
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// Whether or not to use full register names on PowerPC.
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bool PPCUseFullRegisterNames : 1;
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LLVM_ABI MCTargetOptions();
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/// getABIName - If this returns a non-empty string this represents the
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/// textual name of the ABI that we want the backend to use, e.g. o32, or
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/// aapcs-linux.
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LLVM_ABI StringRef getABIName() const;
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/// getAssemblyLanguage - If this returns a non-empty string this represents
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/// the textual name of the assembly language that we will use for this
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/// target, e.g. masm.
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LLVM_ABI StringRef getAssemblyLanguage() const;
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};
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} // end namespace llvm
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#endif // LLVM_MC_MCTARGETOPTIONS_H
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