sim/ppc/debug.c

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19     */
  20
  21
  22 #ifndef _DEBUG_C_
  23 #define _DEBUG_C_
  24
  25 #include "config.h"
  26 #include "basics.h"
  27
  28 #ifdef HAVE_STDLIB_H
  29 #include <stdlib.h>
  30 #endif
  31
  32 int ppc_trace[nr_trace_options];
  33 int print_info;
  34
  35 typedef struct _trace_option_descriptor {
  36   trace_options option;
  37   const char *name;
  38   const char *description;
  39 } trace_option_descriptor;
  40
  41 static trace_option_descriptor trace_description[] = {
  42   { trace_gdb, "gdb", "calls made by gdb to the sim_calls.c file" },
  43   { trace_os_emul, "os-emul", "VEA mode sytem calls - like strace/spy" },
  44   /* decode/issue */
  45   { trace_semantics, "semantics", "Instruction execution (issue)" },
  46   { trace_idecode, "idecode", "instruction decode (when miss in cache)" },
  47   { trace_alu, "alu", "results of integer ALU" },
  48   { trace_load_store, "load-store", "transfers to from data registers" },
  49   /* devices */
  50   { trace_device_tree, "device-tree",  },
  51   { trace_devices, "devices" },
  52   { trace_pass_device, "pass-device" },
  53   { trace_console_device, "console-device" },
  54   { trace_icu_device, "icu-device" },
  55   { trace_halt_device, "halt-device" },
  56   { trace_register_device, "register-device" },
  57   { trace_vm_device, "vm-device" },
  58   { trace_memory_device, "memory-device" },
  59   { trace_htab_device, "htab-device" },
  60   { trace_pte_device, "pte-device" },
  61   { trace_binary_device, "binary-device" },
  62   { trace_file_device, "file-device" },
  63   { trace_core_device, "core-device" },
  64   { trace_stack_device, "stack-device" },
  65   /* misc */
  66   { trace_opts, "options", "Print options simulator was compiled with" },
  67   { trace_tbd, "tbd", "Trace any missing features" },
  68   /* sentinal */
  69   { nr_trace_options, NULL },
  70 };
  71
  72 extern void
  73 trace_option(const char *option)
  74 {
  75   int setting = 1;
  76   if (option[0] == '!') {
  77     setting = 0; /* clear it */
  78     option += 1;
  79   }
  80   if (strcmp(option, "all") == 0) {
  81     trace_options i;
  82     for (i = 0; i < nr_trace_options; i++)
  83       ppc_trace[i] = setting;
  84   }
  85   else {
  86     int i = 0;
  87     while (trace_description[i].option < nr_trace_options
  88            && strcmp(option, trace_description[i].name) != 0)
  89       i++;
  90     if (trace_description[i].option < nr_trace_options)
  91       ppc_trace[trace_description[i].option] = setting;
  92     else {
  93       i = strtoul(option, 0, 0);
  94       if (i > 0 && i < nr_trace_options)
  95         ppc_trace[i] = setting;
  96       else
  97         error("Unknown trace option: %s\n", option);
  98     }
  99
 100   }
 101 }
 102
 103
 104 extern void
 105 trace_usage(void)
 106 {
 107   const char *format = "\t%-18s%s\n";
 108   int i;
 109   printf_filtered("Possible <trace-option>s are:\n");
 110   printf_filtered(format, "!<trace-option>", "Disable the specified option");
 111   printf_filtered(format, "all", "enable all the trace options");
 112   for (i = 0; trace_description[i].option < nr_trace_options; i++)
 113     printf_filtered(format,
 114                     trace_description[i].name,
 115                     (trace_description[i].description
 116                      ? trace_description[i].description
 117                      : ""));
 118 }
 119
 120 #endif /* _DEBUG_C_ */