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79a4851ba7
add BPF disassembler, so tools like llvm-objdump can be used:
$ llvm-objdump -d -no-show-raw-insn ./sockex1_kern.o
./sockex1_kern.o: file format ELF64-BPF
Disassembly of section socket1:
bpf_prog1:
0: r6 = r1
8: r0 = *(u8 *)skb[23]
10: *(u32 *)(r10 - 4) = r0
18: r1 = *(u32 *)(r6 + 4)
20: if r1 != 4 goto 8
28: r2 = r10
30: r2 += -4
ld_imm64 (the only 16-byte insn) and special ld_abs/ld_ind instructions
had to be treated in a special way. The decoders for the rest of the insns
are automatically generated.
Add tests to cover new functionality.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
llvm-svn: 287477
30 lines
909 B
CMake
30 lines
909 B
CMake
set(LLVM_TARGET_DEFINITIONS BPF.td)
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tablegen(LLVM BPFGenRegisterInfo.inc -gen-register-info)
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tablegen(LLVM BPFGenInstrInfo.inc -gen-instr-info)
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tablegen(LLVM BPFGenDisassemblerTables.inc -gen-disassembler)
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tablegen(LLVM BPFGenAsmWriter.inc -gen-asm-writer)
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tablegen(LLVM X86GenAsmMatcher.inc -gen-asm-matcher)
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tablegen(LLVM BPFGenDAGISel.inc -gen-dag-isel)
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tablegen(LLVM BPFGenMCCodeEmitter.inc -gen-emitter)
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tablegen(LLVM BPFGenCallingConv.inc -gen-callingconv)
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tablegen(LLVM BPFGenSubtargetInfo.inc -gen-subtarget)
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add_public_tablegen_target(BPFCommonTableGen)
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add_llvm_target(BPFCodeGen
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BPFAsmPrinter.cpp
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BPFFrameLowering.cpp
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BPFInstrInfo.cpp
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BPFISelDAGToDAG.cpp
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BPFISelLowering.cpp
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BPFMCInstLower.cpp
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BPFRegisterInfo.cpp
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BPFSubtarget.cpp
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BPFTargetMachine.cpp
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)
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add_subdirectory(Disassembler)
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add_subdirectory(InstPrinter)
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add_subdirectory(TargetInfo)
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add_subdirectory(MCTargetDesc)
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