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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. */
/* This file is meant to be included by sim-basics.h. */
#ifndef SIM_TRACE_H
#define SIM_TRACE_H
#ifndef __attribute__
#if !defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNU_MINOR__ < 7)
#define __attribute__(attr)
#endif
#endif
/* Standard traceable entities. */
#define TRACE_SEMANTICS_IDX -1 /* set ALU, FPU, MEMORY tracing */
#define TRACE_INSN_IDX 0
#define TRACE_DECODE_IDX 1
#define TRACE_EXTRACT_IDX 2
#define TRACE_LINENUM_IDX 3
#define TRACE_MEMORY_IDX 4
#define TRACE_MODEL_IDX 5
#define TRACE_ALU_IDX 6
#define TRACE_CORE_IDX 7
#define TRACE_EVENTS_IDX 8
#define TRACE_FPU_IDX 9
#define TRACE_BRANCH_IDX 10
#define TRACE_NEXT_IDX 16 /* simulator specific trace bits begin here */
/* Maximum number of traceable entities. */
#ifndef MAX_TRACE_VALUES
#define MAX_TRACE_VALUES 32
#endif
/* Masks so WITH_TRACE can have symbolic values. */
#define TRACE_insn 1
#define TRACE_decode 2
#define TRACE_extract 4
#define TRACE_linenum 8
#define TRACE_memory 16
#define TRACE_model 32
#define TRACE_alu 64
#define TRACE_core 128
#define TRACE_events 256
#define TRACE_fpu 512
#define TRACE_branch 1024
/* Preprocessor macros to simplify tests of WITH_TRACE. */
#define WITH_TRACE_INSN_P (WITH_TRACE & TRACE_insn)
#define WITH_TRACE_DECODE_P (WITH_TRACE & TRACE_decode)
#define WITH_TRACE_EXTRACT_P (WITH_TRACE & TRACE_extract)
#define WITH_TRACE_LINENUM_P (WITH_TRACE & TRACE_linenum)
#define WITH_TRACE_MEMORY_P (WITH_TRACE & TRACE_memory)
#define WITH_TRACE_MODEL_P (WITH_TRACE & TRACE_model)
#define WITH_TRACE_ALU_P (WITH_TRACE & TRACE_alu)
#define WITH_TRACE_CORE_P (WITH_TRACE & TRACE_core)
#define WITH_TRACE_EVENTS_P (WITH_TRACE & TRACE_events)
#define WITH_TRACE_FPU_P (WITH_TRACE & TRACE_fpu)
#define WITH_TRACE_BRANCH_P (WITH_TRACE & TRACE_branch)
/* Tracing install handler. */
MODULE_INSTALL_FN trace_install;
/* Struct containing all trace data. */
typedef struct {
/* Boolean array of specified tracing flags. */
/* ??? It's not clear that using an array vs a bit mask is faster.
Consider the case where one wants to test whether any of several bits
are set. */
char trace_flags[MAX_TRACE_VALUES];
#define TRACE_FLAGS(t) ((t)->trace_flags)
/* Tracing output goes to this or stderr if NULL.
We can't store `stderr' here as stderr goes through a callback. */
FILE *trace_file;
#define TRACE_FILE(t) ((t)->trace_file)
} TRACE_DATA;
/* Usage macros. */
#define CPU_TRACE_FLAGS(cpu) TRACE_FLAGS (CPU_TRACE_DATA (cpu))
/* forward reference */
struct _sim_cpu;
/* Tracing support. */
/* Return non-zero if tracing of IDX is enabled for CPU. */
#define TRACE_P(cpu,idx) \
((WITH_TRACE & (1 << (idx))) != 0 \
&& CPU_TRACE_FLAGS (cpu)[idx] != 0)
/* Non-zero if a certain --trace-<xxxx> was specified for CPU. */
#define TRACE_INSN_P(cpu) TRACE_P (cpu, TRACE_INSN_IDX)
#define TRACE_DECODE_P(cpu) TRACE_P (cpu, TRACE_DECODE_IDX)
#define TRACE_EXTRACT_P(cpu) TRACE_P (cpu, TRACE_EXTRACT_IDX)
#define TRACE_LINENUM_P(cpu) TRACE_P (cpu, TRACE_LINENUM_IDX)
#define TRACE_MEMORY_P(cpu) TRACE_P (cpu, TRACE_MEMORY_IDX)
#define TRACE_MODEL_P(cpu) TRACE_P (cpu, TRACE_MODEL_IDX)
#define TRACE_ALU_P(cpu) TRACE_P (cpu, TRACE_ALU_IDX)
#define TRACE_CORE_P(cpu) TRACE_P (cpu, TRACE_CORE_IDX)
#define TRACE_EVENTS_P(cpu) TRACE_P (cpu, TRACE_EVENTS_IDX)
#define TRACE_FPU_P(cpu) TRACE_P (cpu, TRACE_FPU_IDX)
#define TRACE_BRANCH_P(cpu) TRACE_P (cpu, TRACE_BRANCH_IDX)
extern void trace_one_insn PARAMS ((SIM_DESC sd,
sim_cpu * cpu,
address_word cia,
int print_linenum_p,
const char *file_name,
int line_nr,
const char *unit,
const char *fmt,
...))
__attribute__((format (printf, 8, 9)));
extern void trace_printf PARAMS ((SIM_DESC, sim_cpu *, const char *, ...))
__attribute__((format (printf, 3, 4)));
extern void trace_vprintf PARAMS ((SIM_DESC, sim_cpu *, const char *, va_list));
/* Debug support.
This is included here because there isn't enough of it to justify
a sim-debug.h. */
/* Return non-zero if debugging of IDX for CPU is enabled. */
#define DEBUG_P(cpu, idx) \
((WITH_DEBUG & (1 << (idx))) != 0 \
&& CPU_DEBUG_FLAGS (cpu)[idx] != 0)
/* Non-zero if "--debug-insn" specified. */
#define DEBUG_INSN_P(cpu) DEBUG_P (cpu, DEBUG_INSN_IDX)
extern void debug_printf PARAMS ((struct _sim_cpu *, const char *, ...))
__attribute__((format (printf, 2, 3)));
#endif /* SIM_TRACE_H */
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