numa: add -numa node,memdev= option
[qemu.git] / include / qemu / log.h
1 #ifndef QEMU_LOG_H
2 #define QEMU_LOG_H
3
4 #include <stdarg.h>
5 #include <stdbool.h>
6 #include <stdio.h>
7 #include "qemu/compiler.h"
8 #include "qom/cpu.h"
9 #ifdef NEED_CPU_H
10 #include "disas/disas.h"
11 #endif
12
13 /* Private global variables, don't use */
14 extern FILE *qemu_logfile;
15 extern int qemu_loglevel;
16
17 /*
18 * The new API:
19 *
20 */
21
22 /* Log settings checking macros: */
23
24 /* Returns true if qemu_log() will really write somewhere
25 */
26 static inline bool qemu_log_enabled(void)
27 {
28 return qemu_logfile != NULL;
29 }
30
31 #define CPU_LOG_TB_OUT_ASM (1 << 0)
32 #define CPU_LOG_TB_IN_ASM (1 << 1)
33 #define CPU_LOG_TB_OP (1 << 2)
34 #define CPU_LOG_TB_OP_OPT (1 << 3)
35 #define CPU_LOG_INT (1 << 4)
36 #define CPU_LOG_EXEC (1 << 5)
37 #define CPU_LOG_PCALL (1 << 6)
38 #define CPU_LOG_IOPORT (1 << 7)
39 #define CPU_LOG_TB_CPU (1 << 8)
40 #define CPU_LOG_RESET (1 << 9)
41 #define LOG_UNIMP (1 << 10)
42 #define LOG_GUEST_ERROR (1 << 11)
43
44 /* Returns true if a bit is set in the current loglevel mask
45 */
46 static inline bool qemu_loglevel_mask(int mask)
47 {
48 return (qemu_loglevel & mask) != 0;
49 }
50
51 /* Logging functions: */
52
53 /* main logging function
54 */
55 void GCC_FMT_ATTR(1, 2) qemu_log(const char *fmt, ...);
56
57 /* vfprintf-like logging function
58 */
59 static inline void GCC_FMT_ATTR(1, 0)
60 qemu_log_vprintf(const char *fmt, va_list va)
61 {
62 if (qemu_logfile) {
63 vfprintf(qemu_logfile, fmt, va);
64 }
65 }
66
67 /* log only if a bit is set on the current loglevel mask
68 */
69 void GCC_FMT_ATTR(2, 3) qemu_log_mask(int mask, const char *fmt, ...);
70
71
72 /* Special cases: */
73
74 /* cpu_dump_state() logging functions: */
75 /**
76 * log_cpu_state:
77 * @cpu: The CPU whose state is to be logged.
78 * @flags: Flags what to log.
79 *
80 * Logs the output of cpu_dump_state().
81 */
82 static inline void log_cpu_state(CPUState *cpu, int flags)
83 {
84 if (qemu_log_enabled()) {
85 cpu_dump_state(cpu, qemu_logfile, fprintf, flags);
86 }
87 }
88
89 /**
90 * log_cpu_state_mask:
91 * @mask: Mask when to log.
92 * @cpu: The CPU whose state is to be logged.
93 * @flags: Flags what to log.
94 *
95 * Logs the output of cpu_dump_state() if loglevel includes @mask.
96 */
97 static inline void log_cpu_state_mask(int mask, CPUState *cpu, int flags)
98 {
99 if (qemu_loglevel & mask) {
100 log_cpu_state(cpu, flags);
101 }
102 }
103
104 #ifdef NEED_CPU_H
105 /* disas() and target_disas() to qemu_logfile: */
106 static inline void log_target_disas(CPUArchState *env, target_ulong start,
107 target_ulong len, int flags)
108 {
109 target_disas(qemu_logfile, env, start, len, flags);
110 }
111
112 static inline void log_disas(void *code, unsigned long size)
113 {
114 disas(qemu_logfile, code, size);
115 }
116
117 #if defined(CONFIG_USER_ONLY)
118 /* page_dump() output to the log file: */
119 static inline void log_page_dump(void)
120 {
121 page_dump(qemu_logfile);
122 }
123 #endif
124 #endif
125
126
127 /* Maintenance: */
128
129 /* fflush() the log file */
130 static inline void qemu_log_flush(void)
131 {
132 fflush(qemu_logfile);
133 }
134
135 /* Close the log file */
136 static inline void qemu_log_close(void)
137 {
138 if (qemu_logfile) {
139 if (qemu_logfile != stderr) {
140 fclose(qemu_logfile);
141 }
142 qemu_logfile = NULL;
143 }
144 }
145
146 /* Set up a new log file */
147 static inline void qemu_log_set_file(FILE *f)
148 {
149 qemu_logfile = f;
150 }
151
152 /* define log items */
153 typedef struct QEMULogItem {
154 int mask;
155 const char *name;
156 const char *help;
157 } QEMULogItem;
158
159 extern const QEMULogItem qemu_log_items[];
160
161 /* This is the function that actually does the work of
162 * changing the log level; it should only be accessed via
163 * the qemu_set_log() wrapper.
164 */
165 void do_qemu_set_log(int log_flags, bool use_own_buffers);
166
167 static inline void qemu_set_log(int log_flags)
168 {
169 #ifdef CONFIG_USER_ONLY
170 do_qemu_set_log(log_flags, true);
171 #else
172 do_qemu_set_log(log_flags, false);
173 #endif
174 }
175
176 void qemu_set_log_filename(const char *filename);
177 int qemu_str_to_log_mask(const char *str);
178
179 /* Print a usage message listing all the valid logging categories
180 * to the specified FILE*.
181 */
182 void qemu_print_log_usage(FILE *f);
183
184 #endif