LCOV - code coverage report
Current view: top level - strace_git - rtc.c (source / functions) Hit Total Coverage
Test: strace-4.16.0.69.f1ea-dirty Code Coverage Lines: 53 53 100.0 %
Date: 2017-03-18 00:38:52 Functions: 6 7 85.7 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 29 29 100.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
       3                 :            :  * Copyright (c) 2004-2016 Dmitry V. Levin <ldv@altlinux.org>
       4                 :            :  * All rights reserved.
       5                 :            :  *
       6                 :            :  * Redistribution and use in source and binary forms, with or without
       7                 :            :  * modification, are permitted provided that the following conditions
       8                 :            :  * are met:
       9                 :            :  * 1. Redistributions of source code must retain the above copyright
      10                 :            :  *    notice, this list of conditions and the following disclaimer.
      11                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      12                 :            :  *    notice, this list of conditions and the following disclaimer in the
      13                 :            :  *    documentation and/or other materials provided with the distribution.
      14                 :            :  * 3. The name of the author may not be used to endorse or promote products
      15                 :            :  *    derived from this software without specific prior written permission.
      16                 :            :  *
      17                 :            :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
      18                 :            :  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
      19                 :            :  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
      20                 :            :  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
      21                 :            :  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      22                 :            :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      23                 :            :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      24                 :            :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      25                 :            :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
      26                 :            :  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      27                 :            :  */
      28                 :            : 
      29                 :            : #include "defs.h"
      30                 :            : 
      31                 :            : #include DEF_MPERS_TYPE(struct_rtc_pll_info)
      32                 :            : 
      33                 :            : #include <linux/ioctl.h>
      34                 :            : #include <linux/rtc.h>
      35                 :            : 
      36                 :            : typedef struct rtc_pll_info struct_rtc_pll_info;
      37                 :            : 
      38                 :            : #include MPERS_DEFS
      39                 :            : 
      40                 :            : static void
      41                 :         36 : print_rtc_time(struct tcb *tcp, const struct rtc_time *rt)
      42                 :            : {
      43                 :         36 :         tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
      44                 :            :                 "tm_mday=%d, tm_mon=%d, tm_year=%d, ",
      45                 :            :                 rt->tm_sec, rt->tm_min, rt->tm_hour,
      46                 :            :                 rt->tm_mday, rt->tm_mon, rt->tm_year);
      47         [ +  + ]:         36 :         if (!abbrev(tcp))
      48                 :         18 :                 tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
      49                 :            :                         rt->tm_wday, rt->tm_yday, rt->tm_isdst);
      50                 :            :         else
      51                 :         18 :                 tprints("...}");
      52                 :         36 : }
      53                 :            : 
      54                 :            : static void
      55                 :         96 : decode_rtc_time(struct tcb *const tcp, const kernel_ulong_t addr)
      56                 :            : {
      57                 :            :         struct rtc_time rt;
      58                 :            : 
      59         [ +  + ]:         96 :         if (!umove_or_printaddr(tcp, addr, &rt))
      60                 :         24 :                 print_rtc_time(tcp, &rt);
      61                 :         96 : }
      62                 :            : 
      63                 :            : static void
      64                 :         48 : decode_rtc_wkalrm(struct tcb *const tcp, const kernel_ulong_t addr)
      65                 :            : {
      66                 :            :         struct rtc_wkalrm wk;
      67                 :            : 
      68         [ +  + ]:         48 :         if (!umove_or_printaddr(tcp, addr, &wk)) {
      69                 :         12 :                 tprintf("{enabled=%d, pending=%d, time=", wk.enabled, wk.pending);
      70                 :         12 :                 print_rtc_time(tcp, &wk.time);
      71                 :         12 :                 tprints("}");
      72                 :            :         }
      73                 :         48 : }
      74                 :            : 
      75                 :            : static void
      76                 :         48 : decode_rtc_pll_info(struct tcb *const tcp, const kernel_ulong_t addr)
      77                 :            : {
      78                 :            :         struct_rtc_pll_info pll;
      79                 :            : 
      80         [ +  + ]:         48 :         if (!umove_or_printaddr(tcp, addr, &pll))
      81                 :         12 :                 tprintf("{pll_ctrl=%d, pll_value=%d, pll_max=%d, pll_min=%d"
      82                 :            :                         ", pll_posmult=%d, pll_negmult=%d, pll_clock=%ld}",
      83                 :            :                         pll.pll_ctrl, pll.pll_value, pll.pll_max, pll.pll_min,
      84                 :          2 :                         pll.pll_posmult, pll.pll_negmult, (long) pll.pll_clock);
      85                 :         48 : }
      86                 :            : 
      87                 :        576 : MPERS_PRINTER_DECL(int, rtc_ioctl, struct tcb *const tcp,
      88                 :            :                    const unsigned int code, const kernel_ulong_t arg)
      89                 :            : {
      90   [ +  +  +  +  :        576 :         switch (code) {
          +  +  +  +  +  
                   +  + ]
      91                 :            :         case RTC_ALM_READ:
      92                 :            :         case RTC_RD_TIME:
      93         [ +  + ]:         96 :                 if (entering(tcp))
      94                 :         48 :                         return 0;
      95                 :            :                 /* fall through */
      96                 :            :         case RTC_ALM_SET:
      97                 :            :         case RTC_SET_TIME:
      98                 :         96 :                 tprints(", ");
      99                 :         96 :                 decode_rtc_time(tcp, arg);
     100                 :         96 :                 break;
     101                 :            :         case RTC_IRQP_SET:
     102                 :            :         case RTC_EPOCH_SET:
     103                 :         24 :                 tprintf(", %" PRI_klu, arg);
     104                 :         24 :                 break;
     105                 :            :         case RTC_IRQP_READ:
     106                 :            :         case RTC_EPOCH_READ:
     107         [ +  + ]:         96 :                 if (entering(tcp))
     108                 :         48 :                         return 0;
     109                 :         48 :                 tprints(", ");
     110                 :         48 :                 printnum_ulong(tcp, arg);
     111                 :         48 :                 break;
     112                 :            :         case RTC_WKALM_RD:
     113         [ +  + ]:         48 :                 if (entering(tcp))
     114                 :         24 :                         return 0;
     115                 :            :                 /* fall through */
     116                 :            :         case RTC_WKALM_SET:
     117                 :         48 :                 tprints(", ");
     118                 :         48 :                 decode_rtc_wkalrm(tcp, arg);
     119                 :         48 :                 break;
     120                 :            :         case RTC_PLL_GET:
     121         [ +  + ]:         48 :                 if (entering(tcp))
     122                 :         24 :                         return 0;
     123                 :            :                 /* fall through */
     124                 :            :         case RTC_PLL_SET:
     125                 :         48 :                 tprints(", ");
     126                 :         48 :                 decode_rtc_pll_info(tcp, arg);
     127                 :         48 :                 break;
     128                 :            : #ifdef RTC_VL_READ
     129                 :            :         case RTC_VL_READ:
     130         [ +  + ]:         48 :                 if (entering(tcp))
     131                 :         24 :                         return 0;
     132                 :         24 :                 tprints(", ");
     133                 :         24 :                 printnum_int(tcp, arg, "%d");
     134                 :         24 :                 break;
     135                 :            : #endif
     136                 :            :         case RTC_AIE_ON:
     137                 :            :         case RTC_AIE_OFF:
     138                 :            :         case RTC_UIE_ON:
     139                 :            :         case RTC_UIE_OFF:
     140                 :            :         case RTC_PIE_ON:
     141                 :            :         case RTC_PIE_OFF:
     142                 :            :         case RTC_WIE_ON:
     143                 :            :         case RTC_WIE_OFF:
     144                 :            : #ifdef RTC_VL_CLR
     145                 :            :         case RTC_VL_CLR:
     146                 :            : #endif
     147                 :            :                 /* no args */
     148                 :        108 :                 break;
     149                 :            :         default:
     150                 :         12 :                 return RVAL_DECODED;
     151                 :            :         }
     152                 :            : 
     153                 :        396 :         return RVAL_DECODED | 1;
     154                 :            : }

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