diff options
Diffstat (limited to 'lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
| -rw-r--r-- | lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp index cb2fe691d702..4c8f75b237aa 100644 --- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp +++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp @@ -1,9 +1,8 @@ //===- llvm/CodeGen/TargetLoweringObjectFileImpl.cpp - Object File Info ---===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// 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 // //===----------------------------------------------------------------------===// // @@ -219,6 +218,16 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx, PersonalityEncoding = dwarf::DW_EH_PE_absptr; TTypeEncoding = dwarf::DW_EH_PE_absptr; } + CallSiteEncoding = dwarf::DW_EH_PE_udata4; + break; + case Triple::riscv32: + case Triple::riscv64: + LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; + PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_sdata4; + TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | + dwarf::DW_EH_PE_sdata4; + CallSiteEncoding = dwarf::DW_EH_PE_udata4; break; case Triple::sparcv9: LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; @@ -272,6 +281,19 @@ void TargetLoweringObjectFileELF::emitModuleMetadata(MCStreamer &Streamer, } } + if (NamedMDNode *DependentLibraries = M.getNamedMetadata("llvm.dependent-libraries")) { + auto *S = C.getELFSection(".deplibs", ELF::SHT_LLVM_DEPENDENT_LIBRARIES, + ELF::SHF_MERGE | ELF::SHF_STRINGS, 1, ""); + + Streamer.SwitchSection(S); + + for (const auto &Operand : DependentLibraries->operands()) { + Streamer.EmitBytes( + cast<MDString>(cast<MDNode>(Operand)->getOperand(0))->getString()); + Streamer.EmitIntValue(0, 1); + } + } + unsigned Version = 0; unsigned Flags = 0; StringRef Section; @@ -1458,7 +1480,7 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx, const TargetMachine &TM) { TargetLoweringObjectFile::Initialize(Ctx, TM); const Triple &T = TM.getTargetTriple(); - if (T.isKnownWindowsMSVCEnvironment() || T.isWindowsItaniumEnvironment()) { + if (T.isWindowsMSVCEnvironment() || T.isWindowsItaniumEnvironment()) { StaticCtorSection = Ctx.getCOFFSection(".CRT$XCU", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ, @@ -1484,7 +1506,7 @@ static MCSectionCOFF *getCOFFStaticStructorSection(MCContext &Ctx, unsigned Priority, const MCSymbol *KeySym, MCSectionCOFF *Default) { - if (T.isKnownWindowsMSVCEnvironment() || T.isWindowsItaniumEnvironment()) { + if (T.isWindowsMSVCEnvironment() || T.isWindowsItaniumEnvironment()) { // If the priority is the default, use .CRT$XCU, possibly associative. if (Priority == 65535) return Ctx.getAssociativeCOFFSection(Default, KeySym, 0); @@ -1544,9 +1566,7 @@ const MCExpr *TargetLoweringObjectFileCOFF::lowerRelativeReference( const GlobalValue *LHS, const GlobalValue *RHS, const TargetMachine &TM) const { const Triple &T = TM.getTargetTriple(); - if (!T.isKnownWindowsMSVCEnvironment() && - !T.isWindowsItaniumEnvironment() && - !T.isWindowsCoreCLREnvironment()) + if (T.isOSCygMing()) return nullptr; // Our symbols should exist in address space zero, cowardly no-op if @@ -1694,8 +1714,11 @@ MCSection *TargetLoweringObjectFileWasm::getExplicitSectionGlobal( Group = C->getName(); } - return getContext().getWasmSection(Name, Kind, Group, - MCContext::GenericSectionID); + MCSectionWasm* Section = + getContext().getWasmSection(Name, Kind, Group, + MCContext::GenericSectionID); + + return Section; } static MCSectionWasm *selectWasmSectionForGlobal( @@ -1724,6 +1747,7 @@ static MCSectionWasm *selectWasmSectionForGlobal( UniqueID = *NextUniqueID; (*NextUniqueID)++; } + return Ctx.getWasmSection(Name, Kind, Group, UniqueID); } |