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e58b8cc117
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>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287477 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
987 B
Plaintext
44 lines
987 B
Plaintext
;===- ./lib/Target/BPF/LLVMBuild.txt ---------------------------*- Conf -*--===;
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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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;
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; This is an LLVMBuild description file for the components in this subdirectory.
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;
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; For more information on the LLVMBuild system, please see:
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;
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; http://llvm.org/docs/LLVMBuild.html
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;
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;===------------------------------------------------------------------------===;
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[common]
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subdirectories = InstPrinter Disassembler MCTargetDesc TargetInfo
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[component_0]
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type = TargetGroup
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name = BPF
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parent = Target
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has_asmprinter = 1
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has_disassembler = 1
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[component_1]
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type = Library
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name = BPFCodeGen
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parent = BPF
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required_libraries =
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AsmPrinter
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CodeGen
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Core
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MC
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BPFAsmPrinter
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BPFDesc
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BPFInfo
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SelectionDAG
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Support
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Target
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add_to_library_groups = BPF
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