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ca6cb5447c
This patch factors out code that can be used by both the RV64 and RV32 BPF JITs to a common bpf_jit.h and bpf_jit_core.c. Move struct definitions and macro-like functions to header. Rename rv_sb_insn/rv_uj_insn to rv_b_insn/rv_j_insn to match the RISC-V specification. Move reusable functions emit_body() and bpf_int_jit_compile() to bpf_jit_core.c with minor simplifications. Rename emit_insn() and build_{prologue,epilogue}() to be prefixed with "bpf_jit_" as they are no longer static. Rename bpf_jit_comp.c to bpf_jit_comp64.c to be more explicit. Co-developed-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: Luke Nelson <luke.r.nels@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Björn Töpel <bjorn.topel@gmail.com> Acked-by: Björn Töpel <bjorn.topel@gmail.com> Link: https://lore.kernel.org/bpf/20200305050207.4159-2-luke.r.nels@gmail.com |
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bpf_jit_comp64.c | ||
bpf_jit_core.c | ||
bpf_jit.h | ||
Makefile |