1  /*
       2   * Raw syscalls.
       3   *
       4   * Copyright (c) 2018-2021 The strace developers.
       5   * All rights reserved.
       6   *
       7   * SPDX-License-Identifier: LGPL-2.1-or-later
       8   */
       9  
      10  #ifndef STRACE_RAW_SYSCALL_H
      11  # define STRACE_RAW_SYSCALL_H
      12  
      13  # include "kernel_types.h"
      14  
      15  static inline kernel_ulong_t
      16  raw_syscall_0(const kernel_ulong_t nr, kernel_ulong_t *err)
      17  {
      18  	kernel_ulong_t r, e, c2, c3, c4, c5, c10;
      19  	__asm__ __volatile__("swint1"
      20  			     : "=R00"(r), "=R01"(e),
      21  			       "=R02"(c2), "=R03"(c3), "=R04"(c4),
      22  			       "=R05"(c5), "=R10"(c10)
      23  			     : "R10"(nr)
      24  			     : "memory", "r6", "r7", "r8", "r9", "r11",
      25  			       "r12", "r13", "r14", "r15", "r16", "r17",
      26  			       "r18", "r19", "r20", "r21", "r22", "r23",
      27  			       "r24", "r25", "r26", "r27", "r28", "r29");
      28  	*err = e;
      29  	return r;
      30  }
      31  # define raw_syscall_0 raw_syscall_0
      32  
      33  #endif /* !STRACE_RAW_SYSCALL_H */