ceph/src/spdk/dpdk/lib/librte_eal/freebsd/eal_debug.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #ifdef RTE_BACKTRACE
   6 #include <execinfo.h>
   7 #endif
   8 #include <stdarg.h>
   9 #include <signal.h>
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12 #include <stdint.h>
  13
  14 #include <rte_log.h>
  15 #include <rte_debug.h>
  16 #include <rte_common.h>
  17 #include <rte_eal.h>
  18
  19 #define BACKTRACE_SIZE 256
  20
  21 /* dump the stack of the calling core */
  22 void rte_dump_stack(void)
  23 {
  24 #ifdef RTE_BACKTRACE
  25         void *func[BACKTRACE_SIZE];
  26         char **symb = NULL;
  27         int size;
  28
  29         size = backtrace(func, BACKTRACE_SIZE);
  30         symb = backtrace_symbols(func, size);
  31
  32         if (symb == NULL)
  33                 return;
  34
  35         while (size > 0) {
  36                 rte_log(RTE_LOG_ERR, RTE_LOGTYPE_EAL,
  37                         "%d: [%s]\n", size, symb[size - 1]);
  38                 size --;
  39         }
  40
  41         free(symb);
  42 #endif /* RTE_BACKTRACE */
  43 }
  44
  45 /* not implemented in this environment */
  46 void rte_dump_registers(void)
  47 {
  48         return;
  49 }
  50
  51 /* call abort(), it will generate a coredump if enabled */
  52 void __rte_panic(const char *funcname, const char *format, ...)
  53 {
  54         va_list ap;
  55
  56         rte_log(RTE_LOG_CRIT, RTE_LOGTYPE_EAL, "PANIC in %s():\n", funcname);
  57         va_start(ap, format);
  58         rte_vlog(RTE_LOG_CRIT, RTE_LOGTYPE_EAL, format, ap);
  59         va_end(ap);
  60         rte_dump_stack();
  61         rte_dump_registers();
  62         abort();
  63 }
  64
  65 /*
  66  * Like rte_panic this terminates the application. However, no traceback is
  67  * provided and no core-dump is generated.
  68  */
  69 void
  70 rte_exit(int exit_code, const char *format, ...)
  71 {
  72         va_list ap;
  73
  74         if (exit_code != 0)
  75                 RTE_LOG(CRIT, EAL, "Error - exiting with code: %d\n"
  76                                 "  Cause: ", exit_code);
  77
  78         va_start(ap, format);
  79         rte_vlog(RTE_LOG_CRIT, RTE_LOGTYPE_EAL, format, ap);
  80         va_end(ap);
  81
  82 #ifndef RTE_EAL_ALWAYS_PANIC_ON_ERROR
  83         if (rte_eal_cleanup() != 0)
  84                 RTE_LOG(CRIT, EAL,
  85                         "EAL could not release all resources\n");
  86         exit(exit_code);
  87 #else
  88         rte_dump_stack();
  89         rte_dump_registers();
  90         abort();
  91 #endif
  92 }