cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / bpf_common.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/bpf_common.h b/i686-linux-gnu-4.7/usr/include/linux/bpf_common.h
new file mode 100644 (file)
index 0000000..f0fe139
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/bpf_common.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LINUX_BPF_COMMON_H__
+#define __LINUX_BPF_COMMON_H__
+
+/* Instruction classes */
+#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
+
+/* ld/ldx fields */
+#define BPF_SIZE(code)  ((code) & 0x18)
+#define                BPF_W           0x00 /* 32-bit */
+#define                BPF_H           0x08 /* 16-bit */
+#define                BPF_B           0x10 /*  8-bit */
+/* eBPF                BPF_DW          0x18    64-bit */
+#define BPF_MODE(code)  ((code) & 0xe0)
+#define                BPF_IMM         0x00
+#define                BPF_ABS         0x20
+#define                BPF_IND         0x40
+#define                BPF_MEM         0x60
+#define                BPF_LEN         0x80
+#define                BPF_MSH         0xa0
+
+/* alu/jmp fields */
+#define BPF_OP(code)    ((code) & 0xf0)
+#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_JA          0x00
+#define                BPF_JEQ         0x10
+#define                BPF_JGT         0x20
+#define                BPF_JGE         0x30
+#define                BPF_JSET        0x40
+#define BPF_SRC(code)   ((code) & 0x08)
+#define                BPF_K           0x00
+#define                BPF_X           0x08
+
+#ifndef BPF_MAXINSNS
+#define BPF_MAXINSNS 4096
+#endif
+
+#endif /* __LINUX_BPF_COMMON_H__ */