LXR qemu/include/exec/log.h

   1#ifndef QEMU_EXEC_LOG_H
   2#define QEMU_EXEC_LOG_H
   3
   4#include "qemu/log.h"
   5#include "hw/core/cpu.h"
   6#include "disas/disas.h"
   7
   8/* cpu_dump_state() logging functions: */
   9/**
  10 * log_cpu_state:
  11 * @cpu: The CPU whose state is to be logged.
  12 * @flags: Flags what to log.
  13 *
  14 * Logs the output of cpu_dump_state().
  15 */
  16static inline void log_cpu_state(CPUState *cpu, int flags)
  17{
  18    QemuLogFile *logfile;
  19
  20    if (qemu_log_enabled()) {
  21        rcu_read_lock();
  22        logfile = qatomic_rcu_read(&qemu_logfile);
  23        if (logfile) {
  24            cpu_dump_state(cpu, logfile->fd, flags);
  25        }
  26        rcu_read_unlock();
  27    }
  28}
  29
  30/**
  31 * log_cpu_state_mask:
  32 * @mask: Mask when to log.
  33 * @cpu: The CPU whose state is to be logged.
  34 * @flags: Flags what to log.
  35 *
  36 * Logs the output of cpu_dump_state() if loglevel includes @mask.
  37 */
  38static inline void log_cpu_state_mask(int mask, CPUState *cpu, int flags)
  39{
  40    if (qemu_loglevel & mask) {
  41        log_cpu_state(cpu, flags);
  42    }
  43}
  44
  45#ifdef NEED_CPU_H
  46/* disas() and target_disas() to qemu_logfile: */
  47static inline void log_target_disas(CPUState *cpu, target_ulong start,
  48                                    target_ulong len)
  49{
  50    QemuLogFile *logfile;
  51    rcu_read_lock();
  52    logfile = qatomic_rcu_read(&qemu_logfile);
  53    if (logfile) {
  54        target_disas(logfile->fd, cpu, start, len);
  55    }
  56    rcu_read_unlock();
  57}
  58
  59static inline void log_disas(const void *code, unsigned long size)
  60{
  61    QemuLogFile *logfile;
  62    rcu_read_lock();
  63    logfile = qatomic_rcu_read(&qemu_logfile);
  64    if (logfile) {
  65        disas(logfile->fd, code, size);
  66    }
  67    rcu_read_unlock();
  68}
  69
  70#if defined(CONFIG_USER_ONLY)
  71/* page_dump() output to the log file: */
  72static inline void log_page_dump(const char *operation)
  73{
  74    FILE *logfile = qemu_log_lock();
  75    if (logfile) {
  76        qemu_log("page layout changed following %s\n", operation);
  77        page_dump(logfile);
  78    }
  79    qemu_log_unlock(logfile);
  80}
  81#endif
  82#endif
  83
  84#endif
  85