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/* Simulator tracing/debugging support.
Copyright (C) 1997 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB, the GNU debugger.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "sim-main.h"
#include "sim-io.h"
#include "sim-options.h"
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
static MODULE_UNINSTALL_FN trace_uninstall;
static DECLARE_OPTION_HANDLER (trace_option_handler);
#define OPTION_TRACE_INSN (OPTION_START + 0)
#define OPTION_TRACE_DECODE (OPTION_START + 1)
#define OPTION_TRACE_EXTRACT (OPTION_START + 2)
#define OPTION_TRACE_LINENUM (OPTION_START + 3)
#define OPTION_TRACE_MEMORY (OPTION_START + 4)
#define OPTION_TRACE_MODEL (OPTION_START + 5)
#define OPTION_TRACE_ALU (OPTION_START + 6)
#define OPTION_TRACE_CORE (OPTION_START + 7)
#define OPTION_TRACE_EVENTS (OPTION_START + 8)
#define OPTION_TRACE_FPU (OPTION_START + 9)
#define OPTION_TRACE_FILE (OPTION_START + 10)
static const OPTION trace_options[] =
{
{ {"trace", no_argument, NULL, 't'},
't', NULL, "Perform tracing",
trace_option_handler },
{ {"trace-insn", no_argument, NULL, OPTION_TRACE_INSN},
'\0', NULL, "Perform instruction tracing",
trace_option_handler },
{ {"trace-decode", no_argument, NULL, OPTION_TRACE_DECODE},
'\0', NULL, "Perform instruction decoding tracing",
trace_option_handler },
{ {"trace-extract", no_argument, NULL, OPTION_TRACE_EXTRACT},
'\0', NULL, "Perform instruction extraction tracing",
trace_option_handler },
{ {"trace-linenum", no_argument, NULL, OPTION_TRACE_LINENUM},
'\0', NULL, "Perform line number tracing",
trace_option_handler },
{ {"trace-memory", no_argument, NULL, OPTION_TRACE_MEMORY},
'\0', NULL, "Perform memory tracing",
trace_option_handler },
{ {"trace-model", no_argument, NULL, OPTION_TRACE_MODEL},
'\0', NULL, "Perform model tracing",
trace_option_handler },
{ {"trace-alu", no_argument, NULL, OPTION_TRACE_ALU},
'\0', NULL, "Perform ALU tracing",
trace_option_handler },
{ {"trace-core", no_argument, NULL, OPTION_TRACE_CORE},
'\0', NULL, "Perform CORE tracing",
trace_option_handler },
{ {"trace-events", no_argument, NULL, OPTION_TRACE_EVENTS},
'\0', NULL, "Perform EVENTS tracing",
trace_option_handler },
{ {"trace-fpu", no_argument, NULL, OPTION_TRACE_FPU},
'\0', NULL, "Perform FPU tracing",
trace_option_handler },
{ {"trace-file", required_argument, NULL, OPTION_TRACE_FILE},
'\0', "FILE NAME", "Specify tracing output file",
trace_option_handler },
{ {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
};
static SIM_RC
trace_option_handler (sd, opt, arg)
SIM_DESC sd;
int opt;
char *arg;
{
int i,n;
switch (opt)
{
case 't' :
if (! WITH_TRACE)
sim_io_eprintf (sd, "Tracing not compiled in, `-t' ignored\n");
else
{
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
for (i = 0; i < MAX_TRACE_VALUES; ++i)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[i] = 1;
STATE_CORE(sd)->trace = 1;
STATE_EVENTS(sd)->trace = 1;
}
break;
case OPTION_TRACE_INSN :
if (WITH_TRACE_INSN_P)
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_INSN_IDX] = 1;
else
sim_io_eprintf (sd, "Instruction tracing not compiled in, `--trace-insn' ignored\n");
break;
case OPTION_TRACE_DECODE :
if (WITH_TRACE_DECODE_P)
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_DECODE_IDX] = 1;
else
sim_io_eprintf (sd, "Decode tracing not compiled in, `--trace-decode' ignored\n");
break;
case OPTION_TRACE_EXTRACT :
if (WITH_TRACE_EXTRACT_P)
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_EXTRACT_IDX] = 1;
else
sim_io_eprintf (sd, "Extract tracing not compiled in, `--trace-extract' ignored\n");
break;
case OPTION_TRACE_LINENUM :
if (WITH_TRACE_LINENUM_P)
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_LINENUM_IDX] = 1;
else
sim_io_eprintf (sd, "Line number tracing not compiled in, `--trace-linenum' ignored\n");
break;
case OPTION_TRACE_MEMORY :
if (WITH_TRACE_MEMORY_P)
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_MEMORY_IDX] = 1;
else
sim_io_eprintf (sd, "Memory tracing not compiled in, `--trace-memory' ignored\n");
break;
case OPTION_TRACE_MODEL :
if (WITH_TRACE_MODEL_P)
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_MODEL_IDX] = 1;
else
sim_io_eprintf (sd, "Model tracing not compiled in, `--trace-model' ignored\n");
break;
case OPTION_TRACE_ALU :
if (WITH_TRACE_ALU_P)
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_ALU_IDX] = 1;
else
sim_io_eprintf (sd, "ALU tracing not compiled in, `--trace-alu' ignored\n");
break;
case OPTION_TRACE_CORE :
if (WITH_TRACE_CORE_P)
{
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_CORE_IDX] = 1;
STATE_CORE(sd)->trace = 1;
}
else
sim_io_eprintf (sd, "CORE tracing not compiled in, `--trace-core' ignored\n");
break;
case OPTION_TRACE_EVENTS :
if (WITH_TRACE_EVENTS_P)
{
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_EVENTS_IDX] = 1;
STATE_EVENTS(sd)->trace = 1;
}
else
sim_io_eprintf (sd, "EVENTS tracing not compiled in, `--trace-events' ignored\n");
break;
case OPTION_TRACE_FPU :
if (WITH_TRACE_FPU_P)
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_FPU_IDX] = 1;
else
sim_io_eprintf (sd, "FPU tracing not compiled in, `--trace-fpu' ignored\n");
break;
case OPTION_TRACE_FILE :
if (! WITH_TRACE)
sim_io_eprintf (sd, "Tracing not compiled in, `--trace-file' ignored\n");
else
{
FILE *f = fopen (arg, "w");
if (f == NULL)
{
sim_io_eprintf (sd, "Unable to open trace output file `%s'\n", arg);
return SIM_RC_FAIL;
}
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
TRACE_FILE (CPU_TRACE_DATA (STATE_CPU (sd, n))) = f;
}
break;
}
return SIM_RC_OK;
}
/* Install tracing support. */
SIM_RC
trace_install (SIM_DESC sd)
{
int i;
sim_add_option_table (sd, trace_options);
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
memset (CPU_TRACE_DATA (STATE_CPU (sd, i)), 0,
sizeof (* CPU_TRACE_DATA (STATE_CPU (sd, i))));
sim_module_add_uninstall_fn (sd, trace_uninstall);
return SIM_RC_OK;
}
static void
trace_uninstall (SIM_DESC sd)
{
int i;
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
{
TRACE_DATA *data = CPU_TRACE_DATA (STATE_CPU (sd, i));
if (TRACE_FILE (data) != NULL)
fclose (TRACE_FILE (data));
}
}
void
trace_printf VPARAMS ((SIM_DESC sd, sim_cpu *cpu, const char *fmt, ...))
{
#ifndef __STDC__
SIM_DESC sd;
sim_cpu *cpu;
const char *fmt;
#endif
va_list ap;
VA_START (ap, fmt);
#ifndef __STDC__
sd = va_arg (ap, SIM_DESC);
cpu = va_arg (ap, sim_cpu *);
fmt = va_arg (ap, const char *);
#endif
if (cpu != NULL && TRACE_FILE (CPU_TRACE_DATA (cpu)) != NULL)
vfprintf (TRACE_FILE (CPU_TRACE_DATA (cpu)), fmt, ap);
else
sim_io_evprintf (sd, fmt, ap);
va_end (ap);
}
void
debug_printf VPARAMS ((sim_cpu *cpu, const char *fmt, ...))
{
#ifndef __STDC__
sim_cpu *cpu;
const char *fmt;
#endif
va_list ap;
VA_START (ap, fmt);
#ifndef __STDC__
cpu = va_arg (ap, sim_cpu *);
fmt = va_arg (ap, const char *);
#endif
if (CPU_DEBUG_FILE (cpu) == NULL)
(* STATE_CALLBACK (CPU_STATE (cpu))->evprintf_filtered)
(STATE_CALLBACK (CPU_STATE (cpu)), fmt, ap);
else
vfprintf (CPU_DEBUG_FILE (cpu), fmt, ap);
va_end (ap);
}
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