first commit

1 files changed, 72 insertions, 0 deletions

diff --git a/include/linux/xlog.h b/include/linux/xlog.h
new file mode 100644
index 000000000..2e2f9fd4f
--- /dev/null
+++ b/include/linux/xlog.h
@@ -0,0 +1,72 @@
+#if !defined(_LINUX_XLOG_H)
+#define _LINUX_XLOG_H
+
+#include <linux/linkage.h>
+
+enum android_log_priority {
+	ANDROID_LOG_UNKNOWN = 0,
+	ANDROID_LOG_DEFAULT,	/* only for SetMinPriority() */
+	ANDROID_LOG_VERBOSE,
+	ANDROID_LOG_DEBUG,
+	ANDROID_LOG_INFO,
+	ANDROID_LOG_WARN,
+	ANDROID_LOG_ERROR,
+	ANDROID_LOG_FATAL,
+	ANDROID_LOG_SILENT,	/* only for SetMinPriority(); must be last */
+};
+
+#define LOGGER_ALE_ARGS_MAX 16
+
+struct ale_convert {
+	const char *tag_str;
+	const char *fmt_ptr;
+	const char *filename;
+	int lineno;
+
+	unsigned int hash;
+	char params[LOGGER_ALE_ARGS_MAX];
+};
+
+struct xlog_record {
+	const char *tag_str;
+	const char *fmt_str;
+	int prio;
+};
+
+#if defined(HAVE_ALE_FEATURE)
+
+int __xlog_ale_printk(int prio, const struct ale_convert *convert, ...);
+
+#define xlog_printk(prio, tag, fmt, ...)				\
+  ({									\
+	  static const struct ale_convert ____xlogk_ale_rec____ =	\
+	      { tag, fmt, __FILE__, prio, 0, "" };                      \
+	  __xlog_ale_printk(prio, &____xlogk_ale_rec____,		\
+			    ##__VA_ARGS__);				\
+  })
+
+#else				/* HAVE_ALE_FEATURE */
+
+asmlinkage int __xlog_printk(const struct xlog_record *rec, ...);
+
+int __xlog_ksystem_printk(const struct xlog_record *rec, ...);
+#ifdef CONFIG_HAVE_XLOG_FEATURE
+#define xlog_printk(prio, tag, fmt, ...)				\
+	({								\
+		static const struct xlog_record _xlog_rec =		\
+			{tag, fmt, prio};				\
+		__xlog_printk(&_xlog_rec, ##__VA_ARGS__);		\
+	})
+#define xlog_ksystem_printk(prio, tag, fmt, ...)			\
+	({								\
+		static const struct xlog_record _xlog_rec =		\
+			{tag, fmt, prio};				\
+		__xlog_ksystem_printk(&_xlog_rec, ##__VA_ARGS__);	\
+	})
+#else				/* CONFIG_HAVE_XLOG_FEATURE */
+#define xlog_printk(prio, tag, fmt, ...) ((void)0)
+#define xlog_ksystem_printk(prio, tag, fmt, ...)    ((void)0)
+#endif				/* CONFIG_HAVE_XLOG_FEATURE */
+#endif				/* HAVE_ALE_FEATURE */
+
+#endif