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122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/*
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* This file is part of mtrace.
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* Copyright (C) 2015 Stefani Seibold <stefani@seibold.net>
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* This file is based on the ltrace source
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*
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* This work was sponsored by Rohde & Schwarz GmbH & Co. KG, Munich.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef _INC_LIBRARY_H
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#define _INC_LIBRARY_H
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#include <stdint.h>
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#include "forward.h"
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#include "sysdep.h"
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#include "list.h"
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#include "mtelf.h"
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struct library_symbol {
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struct list_head list;
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struct library *lib;
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const struct function *func;
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arch_addr_t addr;
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};
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struct library_symbol *library_symbol_new(struct library *lib, arch_addr_t addr, const struct function *func);
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struct library {
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struct list_head list;
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/* Symbols associated with the library. This includes a
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* symbols that don't have a breakpoint attached (yet). */
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struct list_head sym_list;
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/* Unique key. Two library objects are considered equal, if
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* they have the same key. */
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arch_addr_t key;
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/* Address where the library is mapped. */
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arch_addr_t base;
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/* Absolute address of the entry point. Useful for main
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* binary, though I suppose the value might be useful for the
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* dynamic linker, too (in case we ever want to do early
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* process tracing). */
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arch_addr_t entry;
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const char *filename;
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/* executable segment */
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unsigned long load_offset;
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unsigned long load_addr;
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unsigned long load_size;
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/* mapped image */
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void *image_addr;
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/* global-pointer */
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arch_addr_t gp;
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unsigned long seg_offset;
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void *table_data;
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unsigned long table_len;
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#ifdef __arm__
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void *exidx_data;
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unsigned long exidx_len;
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#endif
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};
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/* Init LIB. */
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struct library *library_new(void);
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/* Destroy library. Doesn't free LIB itself. Symbols are destroyed
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* and freed. */
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void library_destroy(struct task *leader, struct library *lib);
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/* Set library filename. Frees the old name if necessary. */
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void library_set_filename(struct library *lib, const char *new_name);
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/* Add a library to the list of the thread leader libraries. */
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void library_add(struct task *leader, struct library *lib);
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/* delete a given list of libraries */
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void library_delete_list(struct task *leader, struct list_head *list);
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/* delete all libraries of a given leader */
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void library_clear_all(struct task *leader);
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/* cline all libraries of a given leader to a new task leader*/
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int library_clone_all(struct task *clone, struct task *leader);
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/* setup library list of a given leader */
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void library_setup(struct task *leader);
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/* get the pathname of the executable */
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const char *library_execname(struct task *leader);
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/* Iterate through list of symbols of library. */
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struct library_symbol *library_find_symbol(struct library *lib, arch_addr_t addr);
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/* find a library with a given key */
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struct library *library_find_with_key(struct list_head *list, arch_addr_t key);
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/* Iterate through list all symbols of leader task. */
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struct library_symbol *find_symbol(struct task *leader, arch_addr_t addr);
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#endif
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