147 lines
4.9 KiB
C
147 lines
4.9 KiB
C
/* Simulator tracing/debugging support.
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Copyright (C) 1997 Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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This file is part of GDB, the GNU debugger.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* This file is meant to be included by sim-basics.h. */
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#ifndef SIM_TRACE_H
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#define SIM_TRACE_H
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#ifndef __attribute__
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#if !defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNU_MINOR__ < 7)
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#define __attribute__(attr)
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#endif
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#endif
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/* Standard traceable entities. */
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#define TRACE_SEMANTICS_IDX -1 /* set ALU, FPU, MEMORY tracing */
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#define TRACE_INSN_IDX 0
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#define TRACE_DECODE_IDX 1
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#define TRACE_EXTRACT_IDX 2
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#define TRACE_LINENUM_IDX 3
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#define TRACE_MEMORY_IDX 4
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#define TRACE_MODEL_IDX 5
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#define TRACE_ALU_IDX 6
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#define TRACE_CORE_IDX 7
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#define TRACE_EVENTS_IDX 8
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#define TRACE_FPU_IDX 9
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#define TRACE_BRANCH_IDX 10
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#define TRACE_NEXT_IDX 16 /* simulator specific trace bits begin here */
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/* Maximum number of traceable entities. */
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#ifndef MAX_TRACE_VALUES
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#define MAX_TRACE_VALUES 32
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#endif
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/* Masks so WITH_TRACE can have symbolic values. */
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#define TRACE_insn 1
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#define TRACE_decode 2
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#define TRACE_extract 4
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#define TRACE_linenum 8
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#define TRACE_memory 16
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#define TRACE_model 32
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#define TRACE_alu 64
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#define TRACE_core 128
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#define TRACE_events 256
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#define TRACE_fpu 512
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#define TRACE_branch 1024
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/* Preprocessor macros to simplify tests of WITH_TRACE. */
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#define WITH_TRACE_INSN_P (WITH_TRACE & TRACE_insn)
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#define WITH_TRACE_DECODE_P (WITH_TRACE & TRACE_decode)
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#define WITH_TRACE_EXTRACT_P (WITH_TRACE & TRACE_extract)
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#define WITH_TRACE_LINENUM_P (WITH_TRACE & TRACE_linenum)
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#define WITH_TRACE_MEMORY_P (WITH_TRACE & TRACE_memory)
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#define WITH_TRACE_MODEL_P (WITH_TRACE & TRACE_model)
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#define WITH_TRACE_ALU_P (WITH_TRACE & TRACE_alu)
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#define WITH_TRACE_CORE_P (WITH_TRACE & TRACE_core)
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#define WITH_TRACE_EVENTS_P (WITH_TRACE & TRACE_events)
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#define WITH_TRACE_FPU_P (WITH_TRACE & TRACE_fpu)
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#define WITH_TRACE_BRANCH_P (WITH_TRACE & TRACE_branch)
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/* Tracing install handler. */
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MODULE_INSTALL_FN trace_install;
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/* Struct containing all trace data. */
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typedef struct {
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/* Boolean array of specified tracing flags. */
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/* ??? It's not clear that using an array vs a bit mask is faster.
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Consider the case where one wants to test whether any of several bits
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are set. */
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char trace_flags[MAX_TRACE_VALUES];
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#define TRACE_FLAGS(t) ((t)->trace_flags)
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/* Tracing output goes to this or stderr if NULL.
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We can't store `stderr' here as stderr goes through a callback. */
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FILE *trace_file;
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#define TRACE_FILE(t) ((t)->trace_file)
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} TRACE_DATA;
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/* Usage macros. */
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#define CPU_TRACE_FLAGS(cpu) TRACE_FLAGS (CPU_TRACE_DATA (cpu))
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/* forward reference */
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struct _sim_cpu;
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/* Tracing support. */
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/* Return non-zero if tracing of IDX is enabled for CPU. */
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#define TRACE_P(cpu,idx) \
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((WITH_TRACE & (1 << (idx))) != 0 \
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&& CPU_TRACE_FLAGS (cpu)[idx] != 0)
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/* Non-zero if a certain --trace-<xxxx> was specified for CPU. */
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#define TRACE_INSN_P(cpu) TRACE_P (cpu, TRACE_INSN_IDX)
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#define TRACE_DECODE_P(cpu) TRACE_P (cpu, TRACE_DECODE_IDX)
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#define TRACE_EXTRACT_P(cpu) TRACE_P (cpu, TRACE_EXTRACT_IDX)
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#define TRACE_LINENUM_P(cpu) TRACE_P (cpu, TRACE_LINENUM_IDX)
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#define TRACE_MEMORY_P(cpu) TRACE_P (cpu, TRACE_MEMORY_IDX)
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#define TRACE_MODEL_P(cpu) TRACE_P (cpu, TRACE_MODEL_IDX)
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#define TRACE_ALU_P(cpu) TRACE_P (cpu, TRACE_ALU_IDX)
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#define TRACE_CORE_P(cpu) TRACE_P (cpu, TRACE_CORE_IDX)
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#define TRACE_EVENTS_P(cpu) TRACE_P (cpu, TRACE_EVENTS_IDX)
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#define TRACE_FPU_P(cpu) TRACE_P (cpu, TRACE_FPU_IDX)
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#define TRACE_BRANCH_P(cpu) TRACE_P (cpu, TRACE_BRANCH_IDX)
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extern void trace_one_insn PARAMS ((SIM_DESC, sim_cpu *,
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address_word, int,
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const char *, int,
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const char *, const char *));
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extern void trace_printf PARAMS ((SIM_DESC, sim_cpu *, const char *, ...))
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__attribute__((format (printf, 3, 4)));
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/* Debug support.
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This is included here because there isn't enough of it to justify
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a sim-debug.h. */
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/* Return non-zero if debugging of IDX for CPU is enabled. */
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#define DEBUG_P(cpu, idx) \
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((WITH_DEBUG & (1 << (idx))) != 0 \
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&& CPU_DEBUG_FLAGS (cpu)[idx] != 0)
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/* Non-zero if "--debug-insn" specified. */
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#define DEBUG_INSN_P(cpu) DEBUG_P (cpu, DEBUG_INSN_IDX)
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extern void debug_printf PARAMS ((struct _sim_cpu *, const char *, ...))
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__attribute__((format (printf, 2, 3)));
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#endif /* SIM_TRACE_H */
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