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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
5 lines
62 B
CMake
5 lines
62 B
CMake
add_llvm_library(LLVMBPFDisassembler
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BPFDisassembler.cpp
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