Upgrade libseccomp to 2.3.3 from 2.3.1

[linux-seccomp.git] / libseccomp / tools / bpf.h

diff --git a/libseccomp/tools/bpf.h b/libseccomp/tools/bpf.h
deleted file mode 100644 (file)
index 46f270f..0000000
--- a/libseccomp/tools/bpf.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/**
- * BPF Language Definitions
- *
- * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
- * Author: Paul Moore <paul@paul-moore.com>
- */
-
-/*
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of version 2.1 of the GNU Lesser General Public License as
- * published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, see <http://www.gnu.org/licenses>.
- */
-
-#ifndef _BPF_H
-#define _BPF_H
-
-#include <inttypes.h>
-#include <stddef.h>
-
-/* most of these structures and values are designed to match the Linux Kernel's
- * BPF interface (see /usr/include/linux/{filter,seccomp}.h), but we define our
- * own here so that we can function independent of the host OS */
-
-/* XXX - need to verify these values */
-#define BPF_SCRATCH_SIZE       6
-
-/**
- * Syscall record data format used by seccomp
- */
-#define BPF_SYS_ARG_MAX                6
-struct seccomp_data {
-       int32_t nr;
-       uint32_t arch;
-       uint64_t instruction_pointer;
-       uint64_t args[BPF_SYS_ARG_MAX];
-};
-#define BPF_SYSCALL_MAX                (sizeof(struct seccomp_data))
-
-/**
- * BPF instruction format
- */
-struct sock_filter {
-       uint16_t code;
-       uint8_t jt;
-       uint8_t jf;
-       uint32_t k;
-} __attribute__ ((packed));
-typedef struct sock_filter bpf_instr_raw;
-
-/* seccomp return masks */
-#define SECCOMP_RET_ACTION     0x7fff0000U
-#define SECCOMP_RET_DATA       0x0000ffffU
-
-/* seccomp action values */
-#define SECCOMP_RET_KILL       0x00000000U
-#define SECCOMP_RET_TRAP       0x00030000U
-#define SECCOMP_RET_ERRNO      0x00050000U
-#define SECCOMP_RET_TRACE      0x7ff00000U
-#define SECCOMP_RET_ALLOW      0x7fff0000U
-
-/* bpf command 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
-
-/* BPF_LD and BPF_LDX */
-#define BPF_SIZE(code)         ((code) & 0x18)
-#define BPF_W                  0x00
-#define BPF_H                  0x08
-#define BPF_B                  0x10
-#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
-
-#define BPF_OP(code)           ((code) & 0xf0)
-/* BPF_ALU */
-#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
-/* BPF_JMP */
-#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
-
-/* BPF_RET (BPF_K and BPF_X also apply) */
-#define BPF_RVAL(code)         ((code) & 0x18)
-#define BPF_A                  0x10
-
-/* BPF_MISC */
-#define BPF_MISCOP(code)       ((code) & 0xf8)
-#define BPF_TAX                        0x00
-#define BPF_TXA                        0x80
-
-#endif