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lib/bpf.h
86 строк
1 KB
Mark Wielaard
libcpu: Recognize bpf jump variants BPF_JLT, BPF_JLE, BPF_JSLT and BPF_JSLE
09 ноя 2018, 20:26
09 ноя 2018, 20:26
cff53f1
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/* Minimal extended BPF constants as alternative for linux/bpf.h. */ #ifndef _ELFUTILS_BPF_H #define _ELFUTILS_BPF_H 1 #include <stdint.h> #define BPF_CLASS(code) ((code) & 0x07) #define BPF_LD 0x00 #define BPF_LDX 0x01 #define BPF_ST 0x02 #define BPF_STX 0x03 #define BPF_ALU 0x04 #define BPF_JMP 0x05 #define BPF_RET 0x06 #define BPF_MISC 0x07 #define BPF_ALU64 0x07 #define BPF_JNE 0x50 #define BPF_JSGT 0x60 #define BPF_JSGE 0x70 #define BPF_CALL 0x80 #define BPF_EXIT 0x90 #define BPF_JLT 0xa0 #define BPF_JLE 0xb0 #define BPF_JSLT 0xc0 #define BPF_JSLE 0xd0 #define BPF_W 0x00 #define BPF_H 0x08 #define BPF_B 0x10 #define BPF_IMM 0x00 #define BPF_ABS 0x20 #define BPF_IND 0x40 #define BPF_MEM 0x60 #define BPF_LEN 0x80 #define BPF_MSH 0xa0 #define BPF_DW 0x18 #define BPF_XADD 0xc0 #define BPF_ADD 0x00 #define BPF_SUB 0x10 #define BPF_MUL 0x20 #define BPF_DIV 0x30 #define BPF_OR 0x40 #define BPF_AND 0x50 #define BPF_LSH 0x60 #define BPF_RSH 0x70 #define BPF_NEG 0x80 #define BPF_MOD 0x90 #define BPF_XOR 0xa0 #define BPF_MOV 0xb0 #define BPF_ARSH 0xc0 #define BPF_JA 0x00 #define BPF_JEQ 0x10 #define BPF_JGT 0x20 #define BPF_JGE 0x30 #define BPF_JSET 0x40 #define BPF_K 0x00 #define BPF_X 0x08 #define BPF_END 0xd0 #define BPF_TO_LE 0x00 #define BPF_TO_BE 0x08 #define BPF_PSEUDO_MAP_FD 1 #define MAX_BPF_REG 10 struct bpf_insn { uint8_t code; uint8_t dst_reg:4; uint8_t src_reg:4; int16_t off; int32_t imm; }; #endif