LXR qemu/include/qemu/log.h

   1#ifndef QEMU_LOG_H
   2#define QEMU_LOG_H
   3
   4/* A small part of this API is split into its own header */
   5#include "qemu/log-for-trace.h"
   6
   7/* 
   8 * The new API:
   9 */
  10
  11/* Returns true if qemu_log() will really write somewhere. */
  12bool qemu_log_enabled(void);
  13
  14/* Returns true if qemu_log() will write somewhere other than stderr. */
  15bool qemu_log_separate(void);
  16
  17#define CPU_LOG_TB_OUT_ASM (1 << 0)
  18#define CPU_LOG_TB_IN_ASM  (1 << 1)
  19#define CPU_LOG_TB_OP      (1 << 2)
  20#define CPU_LOG_TB_OP_OPT  (1 << 3)
  21#define CPU_LOG_INT        (1 << 4)
  22#define CPU_LOG_EXEC       (1 << 5)
  23#define CPU_LOG_PCALL      (1 << 6)
  24#define CPU_LOG_TB_CPU     (1 << 8)
  25#define CPU_LOG_RESET      (1 << 9)
  26#define LOG_UNIMP          (1 << 10)
  27#define LOG_GUEST_ERROR    (1 << 11)
  28#define CPU_LOG_MMU        (1 << 12)
  29#define CPU_LOG_TB_NOCHAIN (1 << 13)
  30#define CPU_LOG_PAGE       (1 << 14)
  31/* LOG_TRACE (1 << 15) is defined in log-for-trace.h */
  32#define CPU_LOG_TB_OP_IND  (1 << 16)
  33#define CPU_LOG_TB_FPU     (1 << 17)
  34#define CPU_LOG_PLUGIN     (1 << 18)
  35/* LOG_STRACE is used for user-mode strace logging. */
  36#define LOG_STRACE         (1 << 19)
  37#define LOG_PER_THREAD     (1 << 20)
  38#define CPU_LOG_TB_VPU     (1 << 21)
  39
  40/* Lock/unlock output. */
  41
  42FILE *qemu_log_trylock(void) G_GNUC_WARN_UNUSED_RESULT;
  43void qemu_log_unlock(FILE *fd);
  44
  45/* Logging functions: */
  46
  47/* log only if a bit is set on the current loglevel mask:
  48 * @mask: bit to check in the mask
  49 * @fmt: printf-style format string
  50 * @args: optional arguments for format string
  51 */
  52#define qemu_log_mask(MASK, FMT, ...)                   \
  53    do {                                                \
  54        if (unlikely(qemu_loglevel_mask(MASK))) {       \
  55            qemu_log(FMT, ## __VA_ARGS__);              \
  56        }                                               \
  57    } while (0)
  58
  59/* log only if a bit is set on the current loglevel mask
  60 * and we are in the address range we care about:
  61 * @mask: bit to check in the mask
  62 * @addr: address to check in dfilter
  63 * @fmt: printf-style format string
  64 * @args: optional arguments for format string
  65 */
  66#define qemu_log_mask_and_addr(MASK, ADDR, FMT, ...)    \
  67    do {                                                \
  68        if (unlikely(qemu_loglevel_mask(MASK)) &&       \
  69                     qemu_log_in_addr_range(ADDR)) {    \
  70            qemu_log(FMT, ## __VA_ARGS__);              \
  71        }                                               \
  72    } while (0)
  73
  74/* Maintenance: */
  75
  76/* define log items */
  77typedef struct QEMULogItem {
  78    int mask;
  79    const char *name;
  80    const char *help;
  81} QEMULogItem;
  82
  83extern const QEMULogItem qemu_log_items[];
  84
  85bool qemu_set_log(int log_flags, Error **errp);
  86bool qemu_set_log_filename(const char *filename, Error **errp);
  87bool qemu_set_log_filename_flags(const char *name, int flags, Error **errp);
  88void qemu_set_dfilter_ranges(const char *ranges, Error **errp);
  89bool qemu_log_in_addr_range(uint64_t addr);
  90int qemu_str_to_log_mask(const char *str);
  91
  92/* Print a usage message listing all the valid logging categories
  93 * to the specified FILE*.
  94 */
  95void qemu_print_log_usage(FILE *f);
  96
  97#endif
  98