commit | 49bb7cea24b1df9410e1712aa6433dae904ff66a | [log] [tgz] |
---|---|---|
author | Arthur Fabre <arthur@arthurfabre.com> | Thu Oct 11 05:27:23 2018 +0000 |
committer | Brad Fitzpatrick <bradfitz@golang.org> | Thu Oct 11 14:41:30 2018 +0000 |
tree | 283a559bd7131ac93c2072ff2890d2845e236b4e | |
parent | 146acd28ed5894421fb5aac80ca93bc1b1f46f87 [diff] |
bpf: support JumpIf on RegX instead of K Add a JumpIfX instruction which implements conditional jumps using RegA and RegX. This is in addition to the pre-existing JumpIf instruction which uses RegA and K. This instruction / addressing mode is not mentionned in the original BPF paper, but is supported by tools like bpf_asm, and has recently been added to the kernel's filter.txt. Simplify some of the parsing logic, and add a separate helper for checking for "fake" JumpIfs. Add JumpIfX support to the BPF vm. Update testdata with JumpIfX instructions, and add tests for both the assembler/disassembler and vm. Fixes golang/go#27814 Change-Id: I0c3f6ac7eb5b4cd4d9c5af8784ee2e8d25195a0a GitHub-Last-Rev: 39a88165b2d3253c37db4b0e303d862b60dc37c9 GitHub-Pull-Request: golang/net#20 Reviewed-on: https://go-review.googlesource.com/c/136895 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This repository holds supplementary Go networking libraries.
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