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719b0399a8
since bpf instruction set was introduced people learned to read and understand kernel verifier output whereas llvm asm output stayed obscure and unknown. Convert llvm to emit assembler text similar to kernel to avoid this discrepancy Signed-off-by: Alexei Starovoitov <ast@kernel.org> llvm-svn: 287300
45 lines
1.1 KiB
TableGen
45 lines
1.1 KiB
TableGen
//===-- BPF.td - Describe the BPF Target Machine -----------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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include "llvm/Target/Target.td"
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include "BPFRegisterInfo.td"
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include "BPFCallingConv.td"
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include "BPFInstrInfo.td"
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def BPFInstrInfo : InstrInfo;
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class Proc<string Name, list<SubtargetFeature> Features>
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: Processor<Name, NoItineraries, Features>;
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def : Proc<"generic", []>;
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def BPFInstPrinter : AsmWriter {
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string AsmWriterClassName = "InstPrinter";
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bit isMCAsmWriter = 1;
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}
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def BPFAsmParser : AsmParser {
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bit HasMnemonicFirst = 0;
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}
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def BPFAsmParserVariant : AsmParserVariant {
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int Variant = 0;
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string Name = "BPF";
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string BreakCharacters = ".";
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string TokenizingCharacters = "#()[]=:.<>!+*";
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}
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def BPF : Target {
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let InstructionSet = BPFInstrInfo;
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let AssemblyWriters = [BPFInstPrinter];
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let AssemblyParsers = [BPFAsmParser];
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let AssemblyParserVariants = [BPFAsmParserVariant];
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}
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