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2167881f51
Linux kernel fs/binfmt_elf_fdpic.c supports FDPIC for MMU-less systems. GCC/binutils/qemu support FDPIC ABI for ARM (https://github.com/mickael-guene/fdpic_doc). _ARM FDPIC Toolchain and ABI_ provides a summary. This patch implements FDPIC relocations to the integrated assembler. There are 6 static relocations and 2 dynamic relocations, with R_ARM_FUNCDESC as both static and dynamic. gas requires `--fdpic` to assemble data relocations like `.word f(FUNCDESC)`. This patch adds `MCTargetOptions::FDPIC` and reports an error if FDPIC is not set. Pull Request: https://github.com/llvm/llvm-project/pull/82187
31 lines
1.1 KiB
C++
31 lines
1.1 KiB
C++
//===- lib/MC/MCTargetOptions.cpp - MC Target Options ---------------------===//
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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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#include "llvm/MC/MCTargetOptions.h"
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#include "llvm/ADT/StringRef.h"
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using namespace llvm;
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MCTargetOptions::MCTargetOptions()
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: MCRelaxAll(false), MCNoExecStack(false), MCFatalWarnings(false),
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MCNoWarn(false), MCNoDeprecatedWarn(false), MCNoTypeCheck(false),
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MCSaveTempLabels(false), MCIncrementalLinkerCompatible(false),
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FDPIC(false), ShowMCEncoding(false), ShowMCInst(false), AsmVerbose(false),
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PreserveAsmComments(true), Dwarf64(false),
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EmitDwarfUnwind(EmitDwarfUnwindType::Default),
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MCUseDwarfDirectory(DefaultDwarfDirectory),
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EmitCompactUnwindNonCanonical(false), PPCUseFullRegisterNames(false) {}
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StringRef MCTargetOptions::getABIName() const {
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return ABIName;
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}
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StringRef MCTargetOptions::getAssemblyLanguage() const {
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return AssemblyLanguage;
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}
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