1  /*
       2   * Validate syscallent.h file.
       3   *
       4   * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@strace.io>
       5   * Copyright (c) 2015-2022 The strace developers.
       6   * All rights reserved.
       7   *
       8   * SPDX-License-Identifier: GPL-2.0-or-later
       9   */
      10  
      11  #include "tests.h"
      12  #include "sysent.h"
      13  #include <stdio.h>
      14  #include <string.h>
      15  #include "scno.h"
      16  
      17  #include "sysent_shorthand_defs.h"
      18  
      19  static const struct_sysent syscallent[] = {
      20  #include "syscallent.h"
      21  };
      22  
      23  #include "sysent_shorthand_undefs.h"
      24  
      25  DIAG_PUSH_IGNORE_OVERRIDE_INIT
      26  typedef const char *pstr_t;
      27  static const pstr_t ksyslist[] = {
      28  #include "ksysent.h"
      29  };
      30  DIAG_POP_IGNORE_OVERRIDE_INIT
      31  
      32  int
      33  main(void)
      34  {
      35  	int rc = 0;
      36  
      37  	for (unsigned int i = 0; i < ARRAY_SIZE(ksyslist); ++i) {
      38  		if (!ksyslist[i])
      39  			continue;
      40  		if (i >= ARRAY_SIZE(syscallent) || !syscallent[i].sys_name) {
      41  			fprintf(stderr, "warning: \"%s\" syscall #%u"
      42  				" is missing in syscallent.h\n",
      43  				ksyslist[i], i);
      44  			continue;
      45  		}
      46  #ifdef SYS_socket_nsubcalls
      47  		if (i >= SYS_socket_subcall &&
      48  		    i < SYS_socket_subcall + SYS_socket_nsubcalls) {
      49  			fprintf(stderr, "error: \"%s\" syscall #%u"
      50  				" is a socket subcall in syscallent.h\n",
      51  				ksyslist[i], i);
      52  			rc = 1;
      53  			continue;
      54  		}
      55  #endif
      56  #ifdef SYS_ipc_nsubcalls
      57  		if (i >= SYS_ipc_subcall &&
      58  		    i < SYS_ipc_subcall + SYS_ipc_nsubcalls) {
      59  			fprintf(stderr, "error: \"%s\" syscall #%u"
      60  				" is an ipc subcall in syscallent.h\n",
      61  				ksyslist[i], i);
      62  			rc = 1;
      63  			continue;
      64  		}
      65  #endif
      66  		if (strcmp(ksyslist[i], syscallent[i].sys_name)) {
      67  			fprintf(stderr, "error: \"%s\" syscall #%u"
      68  				" is \"%s\" in syscallent.h\n",
      69  				ksyslist[i], i, syscallent[i].sys_name);
      70  			rc = 1;
      71  			continue;
      72  		}
      73  	}
      74  
      75  	for (unsigned int i = 0; i < ARRAY_SIZE(syscallent); ++i) {
      76  		if (!syscallent[i].sys_name
      77  #ifdef SYS_socket_nsubcalls
      78  		    || (i >= SYS_socket_subcall &&
      79  			i < SYS_socket_subcall + SYS_socket_nsubcalls)
      80  #endif
      81  #ifdef SYS_ipc_nsubcalls
      82  		    || (i >= SYS_ipc_subcall &&
      83  			i < SYS_ipc_subcall + SYS_ipc_nsubcalls)
      84  #endif
      85  #ifdef ARM_FIRST_SHUFFLED_SYSCALL
      86  		    || (i >= ARM_FIRST_SHUFFLED_SYSCALL &&
      87  			i <= ARM_FIRST_SHUFFLED_SYSCALL +
      88  			    ARM_LAST_SPECIAL_SYSCALL + 1)
      89  #endif
      90  		   )
      91  			continue;
      92  		if (i >= ARRAY_SIZE(ksyslist) || !ksyslist[i]) {
      93  			fprintf(stderr, "note: unknown syscall #%u"
      94  				" is \"%s\" in syscallent.h\n",
      95  				i, syscallent[i].sys_name);
      96  		}
      97  	}
      98  
      99  	return rc;
     100  }