// SPDX-License-Identifier: GPL-2.0 /* * trace_export.c - export basic ftrace utilities to user space * * Copyright (C) 2009 Steven Rostedt <[email protected]> */ #include <linux/stringify.h> #include <linux/kallsyms.h> #include <linux/seq_file.h> #include <linux/uaccess.h> #include <linux/ftrace.h> #include <linux/module.h> #include <linux/init.h> #include "trace_output.h" /* Stub function for events with triggers */ static int ftrace_event_register(struct trace_event_call *call, enum trace_reg type, void *data) { … } #undef TRACE_SYSTEM #define TRACE_SYSTEM … /* * The FTRACE_ENTRY_REG macro allows ftrace entry to define register * function and thus become accessible via perf. */ #undef FTRACE_ENTRY_REG #define FTRACE_ENTRY_REG(name, struct_name, id, tstruct, print, regfn) … /* not needed for this file */ #undef __field_struct #define __field_struct(type, item) … #undef __field #define __field(type, item) … #undef __field_fn #define __field_fn(type, item) … #undef __field_desc #define __field_desc(type, container, item) … #undef __field_packed #define __field_packed(type, container, item) … #undef __array #define __array(type, item, size) … #undef __stack_array #define __stack_array(type, item, size, field) … #undef __array_desc #define __array_desc(type, container, item, size) … #undef __dynamic_array #define __dynamic_array(type, item) … #undef F_STRUCT #define F_STRUCT(args...) … #undef F_printk #define F_printk(fmt, args...) … #undef FTRACE_ENTRY #define FTRACE_ENTRY(name, struct_name, id, tstruct, print) … #undef FTRACE_ENTRY_DUP #define FTRACE_ENTRY_DUP(name, struct_name, id, tstruct, print) … #include "trace_entries.h" #undef __field_ext #define __field_ext(_type, _item, _filter_type) … #undef __field_ext_packed #define __field_ext_packed(_type, _item, _filter_type) … #undef __field #define __field(_type, _item) … #undef __field_fn #define __field_fn(_type, _item) … #undef __field_desc #define __field_desc(_type, _container, _item) … #undef __field_packed #define __field_packed(_type, _container, _item) … #undef __array #define __array(_type, _item, _len) … #undef __stack_array #define __stack_array(_type, _item, _len, _field) … #undef __array_desc #define __array_desc(_type, _container, _item, _len) … #undef __dynamic_array #define __dynamic_array(_type, _item) … #undef FTRACE_ENTRY #define FTRACE_ENTRY(name, struct_name, id, tstruct, print) … #include "trace_entries.h" #undef __entry #define __entry … #undef __field #define __field(type, item) … #undef __field_fn #define __field_fn(type, item) … #undef __field_desc #define __field_desc(type, container, item) … #undef __field_packed #define __field_packed(type, container, item) … #undef __array #define __array(type, item, len) … #undef __stack_array #define __stack_array(type, item, len, field) … #undef __array_desc #define __array_desc(type, container, item, len) … #undef __dynamic_array #define __dynamic_array(type, item) … #undef F_printk #define F_printk(fmt, args...) … #undef FTRACE_ENTRY_REG #define FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, regfn) … #undef FTRACE_ENTRY #define FTRACE_ENTRY(call, struct_name, etype, tstruct, print) … bool ftrace_event_is_function(struct trace_event_call *call) { … } #include "trace_entries.h"
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