1 /* Simulator tracing/debugging support.
2 Copyright (C) 1997 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
5 This file is part of GDB, the GNU debugger.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 /* This file is meant to be included by sim-basics.h. */
27 #if !defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNU_MINOR__ < 7)
28 #define __attribute__(attr)
32 /* Standard traceable entities. */
33 #define TRACE_SEMANTICS_IDX -1 /* set ALU, FPU, MEMORY tracing */
34 #define TRACE_INSN_IDX 0
35 #define TRACE_DECODE_IDX 1
36 #define TRACE_EXTRACT_IDX 2
37 #define TRACE_LINENUM_IDX 3
38 #define TRACE_MEMORY_IDX 4
39 #define TRACE_MODEL_IDX 5
40 #define TRACE_ALU_IDX 6
41 #define TRACE_CORE_IDX 7
42 #define TRACE_EVENTS_IDX 8
43 #define TRACE_FPU_IDX 9
44 #define TRACE_BRANCH_IDX 10
45 #define TRACE_NEXT_IDX 16 /* simulator specific trace bits begin here */
47 /* Maximum number of traceable entities. */
48 #ifndef MAX_TRACE_VALUES
49 #define MAX_TRACE_VALUES 32
52 /* Masks so WITH_TRACE can have symbolic values. */
54 #define TRACE_decode 2
55 #define TRACE_extract 4
56 #define TRACE_linenum 8
57 #define TRACE_memory 16
58 #define TRACE_model 32
60 #define TRACE_core 128
61 #define TRACE_events 256
63 #define TRACE_branch 1024
65 /* Preprocessor macros to simplify tests of WITH_TRACE. */
66 #define WITH_TRACE_INSN_P (WITH_TRACE & TRACE_insn)
67 #define WITH_TRACE_DECODE_P (WITH_TRACE & TRACE_decode)
68 #define WITH_TRACE_EXTRACT_P (WITH_TRACE & TRACE_extract)
69 #define WITH_TRACE_LINENUM_P (WITH_TRACE & TRACE_linenum)
70 #define WITH_TRACE_MEMORY_P (WITH_TRACE & TRACE_memory)
71 #define WITH_TRACE_MODEL_P (WITH_TRACE & TRACE_model)
72 #define WITH_TRACE_ALU_P (WITH_TRACE & TRACE_alu)
73 #define WITH_TRACE_CORE_P (WITH_TRACE & TRACE_core)
74 #define WITH_TRACE_EVENTS_P (WITH_TRACE & TRACE_events)
75 #define WITH_TRACE_FPU_P (WITH_TRACE & TRACE_fpu)
76 #define WITH_TRACE_BRANCH_P (WITH_TRACE & TRACE_branch)
78 /* Tracing install handler. */
79 MODULE_INSTALL_FN trace_install;
81 /* Struct containing all trace data. */
84 /* Boolean array of specified tracing flags. */
85 /* ??? It's not clear that using an array vs a bit mask is faster.
86 Consider the case where one wants to test whether any of several bits
88 char trace_flags[MAX_TRACE_VALUES];
89 #define TRACE_FLAGS(t) ((t)->trace_flags)
91 /* Tracing output goes to this or stderr if NULL.
92 We can't store `stderr' here as stderr goes through a callback. */
94 #define TRACE_FILE(t) ((t)->trace_file)
99 #define CPU_TRACE_FLAGS(cpu) TRACE_FLAGS (CPU_TRACE_DATA (cpu))
101 /* forward reference */
104 /* Tracing support. */
106 /* Return non-zero if tracing of IDX is enabled for CPU. */
107 #define TRACE_P(cpu,idx) \
108 ((WITH_TRACE & (1 << (idx))) != 0 \
109 && CPU_TRACE_FLAGS (cpu)[idx] != 0)
111 /* Non-zero if a certain --trace-<xxxx> was specified for CPU. */
112 #define TRACE_INSN_P(cpu) TRACE_P (cpu, TRACE_INSN_IDX)
113 #define TRACE_DECODE_P(cpu) TRACE_P (cpu, TRACE_DECODE_IDX)
114 #define TRACE_EXTRACT_P(cpu) TRACE_P (cpu, TRACE_EXTRACT_IDX)
115 #define TRACE_LINENUM_P(cpu) TRACE_P (cpu, TRACE_LINENUM_IDX)
116 #define TRACE_MEMORY_P(cpu) TRACE_P (cpu, TRACE_MEMORY_IDX)
117 #define TRACE_MODEL_P(cpu) TRACE_P (cpu, TRACE_MODEL_IDX)
118 #define TRACE_ALU_P(cpu) TRACE_P (cpu, TRACE_ALU_IDX)
119 #define TRACE_CORE_P(cpu) TRACE_P (cpu, TRACE_CORE_IDX)
120 #define TRACE_EVENTS_P(cpu) TRACE_P (cpu, TRACE_EVENTS_IDX)
121 #define TRACE_FPU_P(cpu) TRACE_P (cpu, TRACE_FPU_IDX)
122 #define TRACE_BRANCH_P(cpu) TRACE_P (cpu, TRACE_BRANCH_IDX)
124 extern void trace_one_insn PARAMS ((SIM_DESC, sim_cpu *,
127 const char *, const char *));
129 extern void trace_printf PARAMS ((SIM_DESC, sim_cpu *, const char *, ...))
130 __attribute__((format (printf, 3, 4)));
133 This is included here because there isn't enough of it to justify
136 /* Return non-zero if debugging of IDX for CPU is enabled. */
137 #define DEBUG_P(cpu, idx) \
138 ((WITH_DEBUG & (1 << (idx))) != 0 \
139 && CPU_DEBUG_FLAGS (cpu)[idx] != 0)
141 /* Non-zero if "--debug-insn" specified. */
142 #define DEBUG_INSN_P(cpu) DEBUG_P (cpu, DEBUG_INSN_IDX)
144 extern void debug_printf PARAMS ((struct _sim_cpu *, const char *, ...))
145 __attribute__((format (printf, 2, 3)));
147 #endif /* SIM_TRACE_H */