diff options
Diffstat (limited to 'lib/Target/BPF/MCTargetDesc/BPFAsmBackend.cpp')
| -rw-r--r-- | lib/Target/BPF/MCTargetDesc/BPFAsmBackend.cpp | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/lib/Target/BPF/MCTargetDesc/BPFAsmBackend.cpp b/lib/Target/BPF/MCTargetDesc/BPFAsmBackend.cpp index 1822d8688fa2..ba35a175b9a7 100644 --- a/lib/Target/BPF/MCTargetDesc/BPFAsmBackend.cpp +++ b/lib/Target/BPF/MCTargetDesc/BPFAsmBackend.cpp @@ -1,9 +1,8 @@ //===-- BPFAsmBackend.cpp - BPF Assembler Backend -------------------------===// // -// 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 // //===----------------------------------------------------------------------===// @@ -73,12 +72,12 @@ void BPFAsmBackend::applyFixup(const MCAssembler &Asm, const MCFixup &Fixup, bool IsResolved, const MCSubtargetInfo *STI) const { if (Fixup.getKind() == FK_SecRel_4 || Fixup.getKind() == FK_SecRel_8) { - if (Value) { - MCContext &Ctx = Asm.getContext(); - Ctx.reportError(Fixup.getLoc(), - "Unsupported relocation: try to compile with -O2 or above, " - "or check your static variable usage"); - } + // The Value is 0 for global variables, and the in-section offset + // for static variables. Write to the immediate field of the inst. + assert(Value <= UINT32_MAX); + support::endian::write<uint32_t>(&Data[Fixup.getOffset() + 4], + static_cast<uint32_t>(Value), + Endian); } else if (Fixup.getKind() == FK_Data_4) { support::endian::write<uint32_t>(&Data[Fixup.getOffset()], Value, Endian); } else if (Fixup.getKind() == FK_Data_8) { |