Dmitry V. Levin
b93d52fe3d
strace is now provided under the terms of the GNU Lesser General Public License version 2.1 or later, see COPYING for more details. strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
136 lines
2.9 KiB
C
136 lines
2.9 KiB
C
/*
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* Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
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* Copyright (c) 2004-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "defs.h"
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#include DEF_MPERS_TYPE(struct_rtc_pll_info)
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#include <linux/ioctl.h>
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#include <linux/rtc.h>
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typedef struct rtc_pll_info struct_rtc_pll_info;
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#include MPERS_DEFS
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static void
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print_rtc_time(struct tcb *tcp, const struct rtc_time *rt)
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{
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tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
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"tm_mday=%d, tm_mon=%d, tm_year=%d, ",
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rt->tm_sec, rt->tm_min, rt->tm_hour,
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rt->tm_mday, rt->tm_mon, rt->tm_year);
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if (!abbrev(tcp))
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tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
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rt->tm_wday, rt->tm_yday, rt->tm_isdst);
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else
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tprints("...}");
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}
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static void
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decode_rtc_time(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct rtc_time rt;
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if (!umove_or_printaddr(tcp, addr, &rt))
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print_rtc_time(tcp, &rt);
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}
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static void
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decode_rtc_wkalrm(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct rtc_wkalrm wk;
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if (!umove_or_printaddr(tcp, addr, &wk)) {
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tprintf("{enabled=%d, pending=%d, time=", wk.enabled, wk.pending);
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print_rtc_time(tcp, &wk.time);
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tprints("}");
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}
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}
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static void
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decode_rtc_pll_info(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct_rtc_pll_info pll;
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if (!umove_or_printaddr(tcp, addr, &pll))
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tprintf("{pll_ctrl=%d, pll_value=%d, pll_max=%d, pll_min=%d"
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", pll_posmult=%d, pll_negmult=%d, pll_clock=%ld}",
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pll.pll_ctrl, pll.pll_value, pll.pll_max, pll.pll_min,
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pll.pll_posmult, pll.pll_negmult, (long) pll.pll_clock);
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}
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MPERS_PRINTER_DECL(int, rtc_ioctl, struct tcb *const tcp,
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const unsigned int code, const kernel_ulong_t arg)
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{
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switch (code) {
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case RTC_ALM_READ:
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case RTC_RD_TIME:
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if (entering(tcp))
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return 0;
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ATTRIBUTE_FALLTHROUGH;
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case RTC_ALM_SET:
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case RTC_SET_TIME:
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tprints(", ");
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decode_rtc_time(tcp, arg);
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break;
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case RTC_IRQP_SET:
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case RTC_EPOCH_SET:
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tprintf(", %" PRI_klu, arg);
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break;
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case RTC_IRQP_READ:
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case RTC_EPOCH_READ:
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if (entering(tcp))
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return 0;
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tprints(", ");
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printnum_ulong(tcp, arg);
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break;
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case RTC_WKALM_RD:
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if (entering(tcp))
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return 0;
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ATTRIBUTE_FALLTHROUGH;
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case RTC_WKALM_SET:
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tprints(", ");
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decode_rtc_wkalrm(tcp, arg);
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break;
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case RTC_PLL_GET:
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if (entering(tcp))
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return 0;
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ATTRIBUTE_FALLTHROUGH;
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case RTC_PLL_SET:
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tprints(", ");
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decode_rtc_pll_info(tcp, arg);
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break;
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#ifdef RTC_VL_READ
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case RTC_VL_READ:
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if (entering(tcp))
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return 0;
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tprints(", ");
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printnum_int(tcp, arg, "%d");
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break;
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#endif
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case RTC_AIE_ON:
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case RTC_AIE_OFF:
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case RTC_UIE_ON:
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case RTC_UIE_OFF:
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case RTC_PIE_ON:
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case RTC_PIE_OFF:
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case RTC_WIE_ON:
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case RTC_WIE_OFF:
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#ifdef RTC_VL_CLR
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case RTC_VL_CLR:
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#endif
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/* no args */
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break;
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default:
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return RVAL_DECODED;
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}
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return RVAL_IOCTL_DECODED;
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}
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