text: /*!The Treasure Box Library
   *
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * 
   * Copyright (C) 2009 - 2018, TBOOX Open Source Group.
   *
   * @author      ruki
   * @file        syscall.h
   * @ingroup     platform
   */
  #ifndef TB_PLATFORM_UNIX_SYSCALL_H
  #define TB_PLATFORM_UNIX_SYSCALL_H
  
  /* //////////////////////////////////////////////////////////////////////////////////////
   * includes
   */
  #include "prefix.h"
  #include <sys/syscall.h>
  
  /* //////////////////////////////////////////////////////////////////////////////////////
   * macros
   */
  #ifdef TB_ASSEMBLER_IS_GAS
  
  // x64
  #   if defined(TB_ARCH_x64)
  #       define tb_syscall1(code, name, type1, arg1) \
          static __tb_inline__ tb_long_t name(type1 arg1) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("syscall" : "=a" (__ret) : \
                  "0" (code), "D" (arg1)); \
              return __ret; \
          }
  
  #       define tb_syscall2(code, name, type1, arg1, type2, arg2) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("syscall" : "=a" (__ret) : \
                  "0" (code), "D" (arg1), "S" (arg2)); \
              return __ret; \
          }
  
  #       define tb_syscall3(code, name, type1, arg1, type2, arg2, type3, arg3)   \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("syscall" : "=a" (__ret) : \
                  "0" (code), "D" (arg1), "S" (arg2), \
                  "d" (arg3) \
                  ); \
              return __ret; \
          }
  
  #       define tb_syscall4(code, name, type1, arg1, type2, arg2, type3, arg3, type4, arg4) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("movq %5,%%r10 ; syscall" : "=a" (__ret) : \
                  "0" (code), "D" (arg1), "S" (arg2), \
                  "d" (arg3), "g" (arg4) \
                  ); \
              return __ret; \
          }
  
  #       define tb_syscall5(code, name, type1, arg1, type2, arg2, type3, arg3, type4, arg4, type5, arg5) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("movq %5,%%r10 ; movq %6,%%r8 ; syscall" : "=a" (__ret) : \
                  "0" (code), "D" (arg1), "S" (arg2), \
                  "d" (arg3), "g" (arg4), "g" (arg5) \
                  ); \
              return __ret; \
          }
  
  // x86
  #   elif defined(TB_ARCH_x86)
  #       define tb_syscall1(code, name, type1, arg1) \
          static __tb_inline__ tb_long_t name(type1 arg1) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("int $0x80" : "=a" (__ret) : \
                  "0" (code), "b" (arg1)); \
              return __ret; \
          }
  
  #       define tb_syscall2(code, name, type1, arg1, type2, arg2) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("int $0x80" : "=a" (__ret) : \
                  "0" (code), "b" (arg1), "c" (arg2)); \
              return __ret; \
          }
  
  #       define tb_syscall3(code, name, type1, arg1, type2, arg2, type3, arg3) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("int $0x80" : "=a" (__ret) : \
                  "0" (code), "b" (arg1), "c" (arg2), \
                  "d" (arg3) \
                  ); \
              return __ret; \
          }
  
  #       define tb_syscall4(code, name, type1, arg1, type2, arg2, type3, arg3, type4, arg4) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("int $0x80" : "=a" (__ret) : \
                  "0" (code), "b" (arg1), "c" (arg2), \
                  "d" (arg3), "S" (arg4) \
                  ); \
              return __ret; \
          }
  
  #       define tb_syscall5(code, name, type1, arg1, type2, arg2, type3, arg3, type4, arg4, type5, arg5) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
          { \
              tb_long_t __ret; \
              __asm__ __volatile__("int $0x80" : "=a" (__ret) : \
                  "0" (code), "b" (arg1), "c" (arg2), \
                  "d" (arg3), "S" (arg4), "D" (arg5) \
                  ); \
              return __ret; \
          }
  
  #   endif
  #endif
  
  #ifndef tb_syscall1
  #       define tb_syscall1(code, name, type1, arg1) \
          static __tb_inline__ tb_long_t name(type1 arg1) \
          { \
              return syscall(code, arg1); \
          }
  #endif
  
  #ifndef tb_syscall2
  #       define tb_syscall2(code, name, type1, arg1, type2, arg2) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2) \
          { \
              return syscall(code, arg1, arg2); \
          }
  #endif
  
  #ifndef tb_syscall3
  #       define tb_syscall3(code, name, type1, arg1, type2, arg2, type3, arg3) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3) \
          { \
              return syscall(code, arg1, arg2, arg3); \
          }
  #endif
  
  #ifndef tb_syscall4
  #       define tb_syscall4(code, name, type1, arg1, type2, arg2, type3, arg3, type4, arg4) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
          { \
              return syscall(code, arg1, arg2, arg3, arg4); \
          }
  #endif
  
  #ifndef tb_syscall5
  #       define tb_syscall5(code, name, type1, arg1, type2, arg2, type3, arg3, type4, arg4, type5, arg5) \
          static __tb_inline__ tb_long_t name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
          { \
              return syscall(code, arg1, arg2, arg3, arg4, arg5); \
          }
  #endif
  #endif
  