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 #if defined(__x86_64__)
   9
  10 #define MIN_SYSCALL         0u
  11 #define MAX_PUBLIC_SYSCALL  1024u
  12 #define MAX_SYSCALL         MAX_PUBLIC_SYSCALL
  13
  14 #elif defined(__i386__)
  15
  16 #define MIN_SYSCALL         0u
  17 #define MAX_PUBLIC_SYSCALL  1024u
  18 #define MAX_SYSCALL         MAX_PUBLIC_SYSCALL
  19
  20 #elif defined(__arm__) && (defined(__thumb__) || defined(__ARM_EABI__))
  21
  22 // ARM EABI includes "ARM private" system calls starting at |__ARM_NR_BASE|,
  23 // and a "ghost syscall private to the kernel", cmpxchg,
  24 // at |__ARM_NR_BASE+0x00fff0|.
  25 // See </arch/arm/include/asm/unistd.h> in the Linux kernel.
  26
  27 // __NR_SYSCALL_BASE is 0 in thumb and ARM EABI.
  28 #define MIN_SYSCALL         0u
  29 #define MAX_PUBLIC_SYSCALL  (MIN_SYSCALL + 1024u)
  30 // __ARM_NR_BASE is __NR_SYSCALL_BASE + 0xf0000u
  31 #define MIN_PRIVATE_SYSCALL 0xf0000u
  32 #define MAX_PRIVATE_SYSCALL (MIN_PRIVATE_SYSCALL + 16u)
  33 #define MIN_GHOST_SYSCALL   (MIN_PRIVATE_SYSCALL + 0xfff0u)
  34 #define MAX_SYSCALL         (MIN_GHOST_SYSCALL + 4u)
  35
  36 #elif defined(__mips__) && (_MIPS_SIM == _ABIO32)
  37
  38 #include <asm/unistd.h>  // for __NR_O32_Linux and __NR_Linux_syscalls
  39 #define MIN_SYSCALL         __NR_O32_Linux
  40 #define MAX_PUBLIC_SYSCALL  (MIN_SYSCALL + __NR_Linux_syscalls)
  41 #define MAX_SYSCALL         MAX_PUBLIC_SYSCALL
  42
  43 #elif defined(__mips__) && (_MIPS_SIM == _ABI64)
  44
  45 #error "Add support to header file"
  46
  47 #elif defined(__aarch64__)
  48
  49 #define MIN_SYSCALL 0u
  50 #define MAX_PUBLIC_SYSCALL 279u
  51 #define MAX_SYSCALL MAX_PUBLIC_SYSCALL
  52
  53 #else
  54 #error "Unsupported architecture"
  55 #endif
  56
  57 #endif  // SANDBOX_LINUX_BPF_DSL_LINUX_SYSCALL_RANGES_H_