openharmony_kernel_liteos_a/shell/full/src/cmds/excinfo_shell.c

62 lines
2.5 KiB
C

/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "shcmd.h"
#include "los_memory.h"
#ifdef LOSCFG_SHELL_EXCINFO
#include "los_excinfo_pri.h"
INT32 osShellCmdReadExcInfo(INT32 argc, CHAR **argv)
{
UINT32 recordSpace = GetRecordSpace();
(VOID)argc;
(VOID)argv;
CHAR *buf = (CHAR*)LOS_MemAlloc((void *)OS_SYS_MEM_ADDR, recordSpace + 1);
if (buf == NULL) {
return LOS_NOK;
}
(void)memset_s(buf, recordSpace + 1, 0, recordSpace + 1);
log_read_write_fn hook = GetExcInfoRW();
if (hook != NULL) {
hook(GetRecordAddr(), recordSpace, 1, buf);
}
PRINTK("%s\n", buf);
(VOID)LOS_MemFree((void *)OS_SYS_MEM_ADDR, buf);
buf = NULL;
return LOS_OK;
}
SHELLCMD_ENTRY(readExcInfo_shellcmd, CMD_TYPE_EX, "excInfo", 0, (CmdCallBackFunc)osShellCmdReadExcInfo);
#endif