136 lines
5.4 KiB
C++
136 lines
5.4 KiB
C++
//===-- MCTargetOptionsCommandFlags.cpp -----------------------*- 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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//
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// This file contains machine code-specific flags that are shared between
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// different command line tools.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/MC/MCTargetOptionsCommandFlags.h"
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#include "llvm/MC/MCTargetOptions.h"
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#include "llvm/Support/CommandLine.h"
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using namespace llvm;
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#define MCOPT(TY, NAME) \
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static cl::opt<TY> *NAME##View; \
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TY llvm::mc::get##NAME() { \
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assert(NAME##View && "RegisterMCTargetOptionsFlags not created."); \
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return *NAME##View; \
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}
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#define MCOPT_EXP(TY, NAME) \
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MCOPT(TY, NAME) \
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Optional<TY> llvm::mc::getExplicit##NAME() { \
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if (NAME##View->getNumOccurrences()) { \
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TY res = *NAME##View; \
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return res; \
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} \
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return None; \
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}
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MCOPT_EXP(bool, RelaxAll)
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MCOPT(bool, IncrementalLinkerCompatible)
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MCOPT(int, DwarfVersion)
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MCOPT(bool, Dwarf64)
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MCOPT(EmitDwarfUnwindType, EmitDwarfUnwind)
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MCOPT(bool, ShowMCInst)
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MCOPT(bool, FatalWarnings)
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MCOPT(bool, NoWarn)
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MCOPT(bool, NoDeprecatedWarn)
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MCOPT(bool, NoTypeCheck)
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MCOPT(std::string, ABIName)
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llvm::mc::RegisterMCTargetOptionsFlags::RegisterMCTargetOptionsFlags() {
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#define MCBINDOPT(NAME) \
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do { \
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NAME##View = std::addressof(NAME); \
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} while (0)
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static cl::opt<bool> RelaxAll(
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"mc-relax-all", cl::desc("When used with filetype=obj, relax all fixups "
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"in the emitted object file"));
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MCBINDOPT(RelaxAll);
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static cl::opt<bool> IncrementalLinkerCompatible(
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"incremental-linker-compatible",
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cl::desc(
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"When used with filetype=obj, "
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"emit an object file which can be used with an incremental linker"));
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MCBINDOPT(IncrementalLinkerCompatible);
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static cl::opt<int> DwarfVersion("dwarf-version", cl::desc("Dwarf version"),
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cl::init(0));
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MCBINDOPT(DwarfVersion);
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static cl::opt<bool> Dwarf64(
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"dwarf64",
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cl::desc("Generate debugging info in the 64-bit DWARF format"));
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MCBINDOPT(Dwarf64);
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static cl::opt<EmitDwarfUnwindType> EmitDwarfUnwind(
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"emit-dwarf-unwind", cl::desc("Whether to emit DWARF EH frame entries."),
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cl::init(EmitDwarfUnwindType::Default),
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cl::values(clEnumValN(EmitDwarfUnwindType::Always, "always",
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"Always emit EH frame entries"),
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clEnumValN(EmitDwarfUnwindType::NoCompactUnwind,
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"no-compact-unwind",
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"Only emit EH frame entries when compact unwind is "
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"not available"),
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clEnumValN(EmitDwarfUnwindType::Default, "default",
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"Use target platform default")));
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MCBINDOPT(EmitDwarfUnwind);
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static cl::opt<bool> ShowMCInst(
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"asm-show-inst",
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cl::desc("Emit internal instruction representation to assembly file"));
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MCBINDOPT(ShowMCInst);
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static cl::opt<bool> FatalWarnings("fatal-warnings",
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cl::desc("Treat warnings as errors"));
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MCBINDOPT(FatalWarnings);
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static cl::opt<bool> NoWarn("no-warn", cl::desc("Suppress all warnings"));
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static cl::alias NoWarnW("W", cl::desc("Alias for --no-warn"),
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cl::aliasopt(NoWarn));
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MCBINDOPT(NoWarn);
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static cl::opt<bool> NoDeprecatedWarn(
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"no-deprecated-warn", cl::desc("Suppress all deprecated warnings"));
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MCBINDOPT(NoDeprecatedWarn);
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static cl::opt<bool> NoTypeCheck(
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"no-type-check", cl::desc("Suppress type errors (Wasm)"));
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MCBINDOPT(NoTypeCheck);
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static cl::opt<std::string> ABIName(
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"target-abi", cl::Hidden,
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cl::desc("The name of the ABI to be targeted from the backend."),
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cl::init(""));
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MCBINDOPT(ABIName);
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#undef MCBINDOPT
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}
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MCTargetOptions llvm::mc::InitMCTargetOptionsFromFlags() {
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MCTargetOptions Options;
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Options.MCRelaxAll = getRelaxAll();
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Options.MCIncrementalLinkerCompatible = getIncrementalLinkerCompatible();
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Options.Dwarf64 = getDwarf64();
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Options.DwarfVersion = getDwarfVersion();
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Options.ShowMCInst = getShowMCInst();
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Options.ABIName = getABIName();
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Options.MCFatalWarnings = getFatalWarnings();
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Options.MCNoWarn = getNoWarn();
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Options.MCNoDeprecatedWarn = getNoDeprecatedWarn();
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Options.MCNoTypeCheck = getNoTypeCheck();
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Options.EmitDwarfUnwind = getEmitDwarfUnwind();
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return Options;
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}
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