xemu/qemu-log.h
Fabien Chouteau c8f803e77a Avoid segfault in cpu_dump_state
Do not call cpu_dump_state if logfile is NULL.

Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
[agraf: adjust to inline functions]
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:44 +02:00

149 lines
3.0 KiB
C

#ifndef QEMU_LOG_H
#define QEMU_LOG_H
#include <stdarg.h>
#ifdef NEED_CPU_H
#include "disas.h"
#endif
/* Private global variables, don't use */
extern FILE *qemu_logfile;
extern int qemu_loglevel;
/*
* The new API:
*
*/
/* Log settings checking macros: */
/* Returns true if qemu_log() will really write somewhere
*/
static inline bool qemu_log_enabled(void)
{
return qemu_logfile != NULL;
}
#define CPU_LOG_TB_OUT_ASM (1 << 0)
#define CPU_LOG_TB_IN_ASM (1 << 1)
#define CPU_LOG_TB_OP (1 << 2)
#define CPU_LOG_TB_OP_OPT (1 << 3)
#define CPU_LOG_INT (1 << 4)
#define CPU_LOG_EXEC (1 << 5)
#define CPU_LOG_PCALL (1 << 6)
#define CPU_LOG_IOPORT (1 << 7)
#define CPU_LOG_TB_CPU (1 << 8)
#define CPU_LOG_RESET (1 << 9)
#define LOG_UNIMP (1 << 10)
/* Returns true if a bit is set in the current loglevel mask
*/
static inline bool qemu_loglevel_mask(int mask)
{
return (qemu_loglevel & mask) != 0;
}
/* Logging functions: */
/* main logging function
*/
void GCC_FMT_ATTR(1, 2) qemu_log(const char *fmt, ...);
/* vfprintf-like logging function
*/
static inline void qemu_log_vprintf(const char *fmt, va_list va)
{
if (qemu_logfile) {
vfprintf(qemu_logfile, fmt, va);
}
}
/* log only if a bit is set on the current loglevel mask
*/
void GCC_FMT_ATTR(2, 3) qemu_log_mask(int mask, const char *fmt, ...);
/* Special cases: */
#ifdef NEED_CPU_H
/* cpu_dump_state() logging functions: */
static inline void log_cpu_state(CPUArchState *env1, int flags)
{
if (qemu_log_enabled()) {
cpu_dump_state(env1, qemu_logfile, fprintf, flags);
}
}
static inline void log_cpu_state_mask(int mask, CPUArchState *env1, int flags)
{
if (qemu_loglevel & mask) {
log_cpu_state(env1, flags);
}
}
/* disas() and target_disas() to qemu_logfile: */
static inline void log_target_disas(target_ulong start, target_ulong len,
int flags)
{
target_disas(qemu_logfile, start, len, flags);
}
static inline void log_disas(void *code, unsigned long size)
{
disas(qemu_logfile, code, size);
}
#if defined(CONFIG_USER_ONLY)
/* page_dump() output to the log file: */
static inline void log_page_dump(void)
{
page_dump(qemu_logfile);
}
#endif
#endif
/* Maintenance: */
/* fflush() the log file */
static inline void qemu_log_flush(void)
{
fflush(qemu_logfile);
}
/* Close the log file */
static inline void qemu_log_close(void)
{
fclose(qemu_logfile);
qemu_logfile = NULL;
}
/* Set up a new log file */
static inline void qemu_log_set_file(FILE *f)
{
qemu_logfile = f;
}
/* Set up a new log file, only if none is set */
static inline void qemu_log_try_set_file(FILE *f)
{
if (!qemu_logfile) {
qemu_logfile = f;
}
}
/* define log items */
typedef struct CPULogItem {
int mask;
const char *name;
const char *help;
} CPULogItem;
extern const CPULogItem cpu_log_items[];
void cpu_set_log(int log_flags);
void cpu_set_log_filename(const char *filename);
int cpu_str_to_log_mask(const char *str);
#endif