xref: /netbsd-src/external/gpl3/gdb/dist/sim/ppc/debug.c (revision 4b169a6ba595ae283ca507b26b15fdff40495b1c)
1 /*  This file is part of the program psim.
2 
3     Copyright (C) 1994-1997, 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 3 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, see <http://www.gnu.org/licenses/>.
17 
18     */
19 
20 
21 #ifndef _DEBUG_C_
22 #define _DEBUG_C_
23 
24 /* This must come before any other includes.  */
25 #include "defs.h"
26 
27 #include "basics.h"
28 
29 #include <stdlib.h>
30 #include <string.h>
31 
32 int ppc_trace[nr_trace_options];
33 
34 typedef struct _trace_option_descriptor {
35   trace_options option;
36   const char *name;
37   const char *description;
38 } trace_option_descriptor;
39 
40 static trace_option_descriptor trace_description[] = {
41   { trace_gdb, "gdb", "calls made by gdb to the sim_calls.c file" },
42   { trace_os_emul, "os-emul", "VEA mode sytem calls - like strace" },
43   { trace_events, "events", "event queue handling" },
44   /* decode/issue */
45   { trace_semantics, "semantics", "Instruction execution (issue)" },
46   { trace_idecode, "idecode", "instruction decode (when miss in icache)" },
47   { trace_alu, "alu", "results of integer ALU" },
48   { trace_vm, "vm", "OEA address translation" },
49   { trace_load_store, "load-store", "transfers between registers and memory" },
50   { trace_model, "model", "model specific information" },
51   { trace_interrupts, "interrupts", "interrupt handling" },
52   /* devices */
53   { trace_device_tree, "device-tree",  },
54   { trace_devices, "devices" },
55   { trace_binary_device, "binary-device" },
56   { trace_com_device, "com-device" },
57   { trace_console_device, "console-device" },
58   { trace_core_device, "core-device" },
59   { trace_disk_device, "disk-device" },
60   { trace_eeprom_device, "eeprom-device" },
61   { trace_file_device, "file-device" },
62   { trace_glue_device, "glue-device" },
63   { trace_halt_device, "halt-device" },
64   { trace_htab_device, "htab-device" },
65   { trace_icu_device, "icu-device" },
66   { trace_ide_device, "ide-device" },
67   { trace_memory_device, "memory-device" },
68   { trace_opic_device, "opic-device" },
69   { trace_pal_device, "pal-device" },
70   { trace_pass_device, "pass-device" },
71   { trace_phb_device, "phb-device" },
72   { trace_register_device, "register-device", "Device initializing registers" },
73   { trace_sem_device, "sem-device" },
74   { trace_shm_device, "shm-device" },
75   { trace_stack_device, "stack-device" },
76   { trace_vm_device, "vm-device" },
77   /* packages */
78   { trace_disklabel_package, "disklabel-package" },
79   /* misc */
80   { trace_print_info, "print-info", "Print performance analysis information" },
81   { trace_opts, "options", "Print options simulator was compiled with" },
82   /*{ trace_tbd, "tbd", "Trace any missing features" },*/
83   { trace_print_device_tree, "print-device-tree", "Output the contents of the device tree" },
84   { trace_dump_device_tree, "dump-device-tree", "Output the contents of the device tree then exit" },
85   /* sentinal */
86   { nr_trace_options, NULL },
87 };
88 
89 extern void
trace_option(const char * option,int setting)90 trace_option(const char *option,
91 	     int setting)
92 {
93   if (strcmp(option, "all") == 0) {
94     trace_options i;
95     for (i = 0; i < nr_trace_options; i++)
96       if (i != trace_dump_device_tree) {
97 	ppc_trace[i] = setting;
98       }
99   }
100   else {
101     int i = 0;
102     while (trace_description[i].option < nr_trace_options
103 	   && strcmp(option, trace_description[i].name) != 0)
104       i++;
105     if (trace_description[i].option < nr_trace_options)
106       ppc_trace[trace_description[i].option] = setting;
107     else {
108       i = strtoul(option, 0, 0);
109       if (i > 0 && i < nr_trace_options)
110 	ppc_trace[i] = setting;
111       else
112 	error("Unknown trace option: %s\n", option);
113     }
114 
115   }
116 }
117 
118 
119 extern void
trace_usage(int verbose)120 trace_usage(int verbose)
121 {
122   if (verbose) {
123     printf_filtered("\n");
124     printf_filtered("The following are possible <trace> options:\n");
125     printf_filtered("\n");
126   }
127   if (verbose == 1) {
128     int pos;
129     int i;
130     printf_filtered("  all");
131     pos = strlen("all") + 2;
132     for (i = 0; trace_description[i].option < nr_trace_options; i++) {
133       pos += strlen(trace_description[i].name) + 2;
134       if (pos > 75) {
135 	pos = strlen(trace_description[i].name) + 2;
136 	printf_filtered("\n");
137       }
138       printf_filtered("  %s", trace_description[i].name);
139     }
140     printf_filtered("\n");
141   }
142   if (verbose > 1) {
143     static const char format[] = "\t%-18s%s\n";
144     int i;
145     printf_filtered(format, "all", "enable all the trace options");
146     for (i = 0; trace_description[i].option < nr_trace_options; i++)
147       printf_filtered(format,
148 		      trace_description[i].name,
149 		      (trace_description[i].description
150 		       ? trace_description[i].description
151 		       : ""));
152   }
153 }
154 
155 #endif /* _DEBUG_C_ */
156