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/*
* Copyright (C) 2005, 2006 Red Hat Inc.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
#ifndef _STAP_SYMBOLS_H_
#define _STAP_SYMBOLS_H_
#define STP_MODULE_NAME_LEN 64
struct _stp_symbol {
unsigned long addr;
const char *symbol;
};
struct _stp_module {
/* the module name, or "" for kernel */
char name[STP_MODULE_NAME_LEN];
/* A pointer to the struct module. Note that we cannot */
/* trust this because as of 2.6.19, there are not yet */
/* any notifier hooks that will tell us when a module */
/* is unloading. */
unsigned long module;
/* the start of the module's text and data sections */
unsigned long text;
unsigned long data;
/* how many symbols this module has that we are interested in */
uint32_t num_symbols;
/* how many sections this module has */
uint32_t num_sections;
struct _stp_symbol *sections;
/* how the symbol_data below was allocated */
int32_t allocated; /* 0 = kmalloc, 1 = vmalloc */
/* an array of num_symbols _stp_symbol structs */
struct _stp_symbol *symbols; /* ordered by address */
/* where we stash our copy of the strtab */
void *symbol_data; /* private */
};
#ifndef STP_MAX_MODULES
#define STP_MAX_MODULES 128
#endif
/* the alphabetical array of modules */
struct _stp_module *_stp_modules[STP_MAX_MODULES];
/* the array of modules ordered by addresses */
struct _stp_module *_stp_modules_by_addr[STP_MAX_MODULES];
/* the number of modules in the arrays */
int _stp_num_modules = 0;
unsigned long _stp_module_relocate (const char *module, const char *section, unsigned long offset);
#endif /* _STAP_SYMBOLS_H_ */
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