+++ /dev/null
-#ifndef _LINUX_MARKER_H
-#define _LINUX_MARKER_H
-
-/*
- * Code markup for dynamic and static tracing.
- *
- * See Documentation/marker.txt.
- *
- * (C) Copyright 2006 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- *
- * This file is released under the GPLv2.
- * See the file COPYING for more details.
- */
-
-//#include <linux/immediate.h>
-//#include <linux/types.h>
-
-#include "kernel-api.h"
-#include <stdint.h>
-#include <stdarg.h>
-
-struct module;
-struct marker;
-
-/**
- * marker_probe_func - Type of a marker probe function
- * @probe_private: probe private data
- * @call_private: call site private data
- * @fmt: format string
- * @args: variable argument list pointer. Use a pointer to overcome C's
- * inability to pass this around as a pointer in a portable manner in
- * the callee otherwise.
- *
- * Type of marker probe functions. They receive the mdata and need to parse the
- * format string to recover the variable argument list.
- */
-typedef void marker_probe_func(void *probe_private, void *call_private,
- const char *fmt, va_list *args);
-
-struct marker_probe_closure {
- marker_probe_func *func; /* Callback */
- void *probe_private; /* Private probe data */
-};
-
-struct marker {
- const char *name; /* Marker name */
- const char *format; /* Marker format string, describing the
- * variable argument list.
- */
- DEFINE_IMV(char, state);/* Immediate value state. */
- char ptype; /* probe type : 0 : single, 1 : multi */
- void (*call)(const struct marker *mdata, /* Probe wrapper */
- void *call_private, const char *fmt, ...);
- struct marker_probe_closure single;
- struct marker_probe_closure *multi;
-} __attribute__((aligned(8)));
-
-#ifdef CONFIG_MARKERS
-
-/*
- * Generic marker flavor always available.
- * Note : the empty asm volatile with read constraint is used here instead of a
- * "used" attribute to fix a gcc 4.1.x bug.
- * Make sure the alignment of the structure in the __markers section will
- * not add unwanted padding between the beginning of the section and the
- * structure. Force alignment to the same alignment as the section start.
- */
-#define __trace_mark(generic, name, call_private, format, args...) \
- do { \
- static const char __mstrtab_##name[] \
- __attribute__((section("__markers_strings"))) \
- = #name "\0" format; \
- static struct marker __mark_##name \
- __attribute__((section("__markers"), aligned(8))) = \
- { __mstrtab_##name, &__mstrtab_##name[sizeof(#name)], \
- 0, 0, marker_probe_cb, \
- { __mark_empty_function, NULL}, NULL }; \
- __mark_check_format(format, ## args); \
- if (!generic) { \
- if (unlikely(imv_read(__mark_##name.state))) \
- (*__mark_##name.call) \
- (&__mark_##name, call_private, \
- format, ## args); \
- } else { \
- if (unlikely(_imv_read(__mark_##name.state))) \
- (*__mark_##name.call) \
- (&__mark_##name, call_private, \
- format, ## args); \
- } \
- } while (0)
-
-extern void marker_update_probe_range(struct marker *begin,
- struct marker *end);
-#else /* !CONFIG_MARKERS */
-#define __trace_mark(generic, name, call_private, format, args...) \
- __mark_check_format(format, ## args)
-static inline void marker_update_probe_range(struct marker *begin,
- struct marker *end)
-{ }
-#endif /* CONFIG_MARKERS */
-
-/**
- * trace_mark - Marker using code patching
- * @name: marker name, not quoted.
- * @format: format string
- * @args...: variable argument list
- *
- * Places a marker using optimized code patching technique (imv_read())
- * to be enabled.
- */
-#define trace_mark(name, format, args...) \
- __trace_mark(0, name, NULL, format, ## args)
-
-/**
- * _trace_mark - Marker using variable read
- * @name: marker name, not quoted.
- * @format: format string
- * @args...: variable argument list
- *
- * Places a marker using a standard memory read (_imv_read()) to be
- * enabled. Should be used for markers in __init and __exit functions and in
- * lockdep code.
- */
-#define _trace_mark(name, format, args...) \
- __trace_mark(1, name, NULL, format, ## args)
-
-/**
- * MARK_NOARGS - Format string for a marker with no argument.
- */
-#define MARK_NOARGS " "
-
-/* To be used for string format validity checking with gcc */
-static inline void __attribute__((format (printf, 1, 2)))
-__mark_check_format(const char *fmt, ...)
-{
-}
-
-extern marker_probe_func __mark_empty_function;
-
-extern void marker_probe_cb(const struct marker *mdata,
- void *call_private, const char *fmt, ...);
-extern void marker_probe_cb_noarg(const struct marker *mdata,
- void *call_private, const char *fmt, ...);
-
-/*
- * Connect a probe to a marker.
- * private data pointer must be a valid allocated memory address, or NULL.
- */
-extern int marker_probe_register(const char *name, const char *format,
- marker_probe_func *probe, void *probe_private);
-
-/*
- * Returns the private data given to marker_probe_register.
- */
-extern int marker_probe_unregister(const char *name,
- marker_probe_func *probe, void *probe_private);
-/*
- * Unregister a marker by providing the registered private data.
- */
-extern int marker_probe_unregister_private_data(marker_probe_func *probe,
- void *probe_private);
-
-extern void *marker_get_private_data(const char *name, marker_probe_func *probe,
- int num);
-
-struct marker_iter {
- struct module *module;
- struct marker *marker;
-};
-
-extern void marker_iter_start(struct marker_iter *iter);
-extern void marker_iter_next(struct marker_iter *iter);
-extern void marker_iter_stop(struct marker_iter *iter);
-extern void marker_iter_reset(struct marker_iter *iter);
-extern int marker_get_iter_range(struct marker **marker, struct marker *begin,
- struct marker *end);
-
-#endif
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