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llvm-mirror/lib/Target/RISCV/RISCVTargetObjectFile.h
Mandeep Singh Grang fad0fd9a71 [RISCV] Use init_array instead of ctors for RISCV target, by default
Summary:
LLVM defaults to the newer .init_array/.fini_array scheme for static
constructors rather than the less desirable .ctors/.dtors (the UseCtors
flag defaults to false). This wasn't being respected in the RISC-V
backend because it fails to call TargetLoweringObjectFileELF::InitializeELF with the the appropriate
flag for UseInitArray.
This patch fixes this by implementing RISCVELFTargetObjectFile and overriding its Initialize method to call
InitializeELF(TM.Options.UseInitArray).

Reviewers: asb, apazos

Reviewed By: asb

Subscribers: mgorny, rbar, johnrusso, simoncook, jordy.potman.lists, sabuasal, niosHD, kito-cheng, shiva0217, llvm-commits

Differential Revision: https://reviews.llvm.org/D44750

llvm-svn: 328433
2018-03-24 18:37:19 +00:00

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//===-- RISCVTargetObjectFile.h - RISCV Object Info -*- C++ ---------*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_RISCV_RISCVTARGETOBJECTFILE_H
#define LLVM_LIB_TARGET_RISCV_RISCVTARGETOBJECTFILE_H
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
namespace llvm {
class RISCVTargetMachine;
/// This implementation is used for RISCV ELF targets.
class RISCVELFTargetObjectFile : public TargetLoweringObjectFileELF {
void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
};
} // end namespace llvm
#endif