sandbox/linux/bpf_dsl/linux_syscall_ranges.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef SANDBOX_LINUX_BPF_DSL_LINUX_SYSCALL_RANGES_H_
   6 #define SANDBOX_LINUX_BPF_DSL_LINUX_SYSCALL_RANGES_H_
   7
   8 #include <asm/unistd.h>  // For __NR_SYSCALL_BASE
   9
  10 #if defined(__x86_64__)
  11
  12 #define MIN_SYSCALL         0u
  13 #define MAX_PUBLIC_SYSCALL  1024u
  14 #define MAX_SYSCALL         MAX_PUBLIC_SYSCALL
  15
  16 #elif defined(__i386__)
  17
  18 #define MIN_SYSCALL         0u
  19 #define MAX_PUBLIC_SYSCALL  1024u
  20 #define MAX_SYSCALL         MAX_PUBLIC_SYSCALL
  21
  22 #elif defined(__arm__) && (defined(__thumb__) || defined(__ARM_EABI__))
  23
  24 // ARM EABI includes "ARM private" system calls starting at |__ARM_NR_BASE|,
  25 // and a "ghost syscall private to the kernel", cmpxchg,
  26 // at |__ARM_NR_BASE+0x00fff0|.
  27 // See </arch/arm/include/asm/unistd.h> in the Linux kernel.
  28 #define MIN_SYSCALL         ((unsigned int)__NR_SYSCALL_BASE)
  29 #define MAX_PUBLIC_SYSCALL  (MIN_SYSCALL + 1024u)
  30 #define MIN_PRIVATE_SYSCALL ((unsigned int)__ARM_NR_BASE)
  31 #define MAX_PRIVATE_SYSCALL (MIN_PRIVATE_SYSCALL + 16u)
  32 #define MIN_GHOST_SYSCALL   ((unsigned int)__ARM_NR_BASE + 0xfff0u)
  33 #define MAX_SYSCALL         (MIN_GHOST_SYSCALL + 4u)
  34
  35 #elif defined(__mips__) && (_MIPS_SIM == _ABIO32)
  36
  37 #define MIN_SYSCALL         __NR_O32_Linux
  38 #define MAX_PUBLIC_SYSCALL  (MIN_SYSCALL + __NR_Linux_syscalls)
  39 #define MAX_SYSCALL         MAX_PUBLIC_SYSCALL
  40
  41 #elif defined(__mips__) && (_MIPS_SIM == _ABI64)
  42
  43 #error "Add support to header file"
  44
  45 #elif defined(__aarch64__)
  46
  47 #define MIN_SYSCALL 0u
  48 #define MAX_PUBLIC_SYSCALL 279u
  49 #define MAX_SYSCALL MAX_PUBLIC_SYSCALL
  50
  51 #else
  52 #error "Unsupported architecture"
  53 #endif
  54
  55 #endif  // SANDBOX_LINUX_BPF_DSL_LINUX_SYSCALL_RANGES_H_