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/* libxelf - base abstraction
*
* by scut / teso
*/
#ifndef ELF_BASE_H
#define ELF_BASE_H
#include <elf_section.h>
#include <elf_segment.h>
typedef struct {
/* the original file this executeable was derived from.
* it is used for dumping purposes and to get certain data
* from the original Elf32_Ehdr structure, such as the e_flags
* and e_entry values. all the section/segment data is contained
* in the lists below though.
*/
elf_file * elf;
/* list of segments of the ELF file, which themself
* cover sections
*/
elf_segment_list * seglist;
/* uncovered section list
*/
elf_section_list * seclist;
/* symbol table section from seclist, or NULL
*/
elf_section * symtab;
} elf_base;
/* elf_base_create
*
* create a new elf_base structure
*
* return pointer to new structure
*/
elf_base *
elf_base_create (void);
/* elf_base_destroy
*
* free the elf_base structure pointer to by `eb', recursivly freeing any
* associated data. note that eb should only contain section data once,
* or copies of it, there must not be two pointers to the same memory.
*
* return in any case
*/
void
elf_base_destroy (elf_base *eb);
/* elf_base_load
*
* completely abstract an ELF executeable from file at `pathname' into an
* elf_base structure.
*
* return pointer to new elf_base structure on success
* retrun NULL on failure
*/
elf_base *
elf_base_load (char *pathname);
/* elf_base_store
*
* create a new ELF executeable from the elf_base structure at `eb'. the new
* executeable is placed at `pathname', possible overwritting any previous
* file.
*
* return 0 on success
* return 1 on failure
*/
int
elf_base_store (char *pathname, elf_base *eb);
/* elf_base_flatten
*
* 'flatten' a ELF file tree at `eb'. to do this we find sections that are
* included twice within a segment but are still dangling in a non PT_LOAD
* segment. this is the case for PT_INTERP segments, which "steal" away
* sections, which have to be within a PT_LOAD segment to be written to
* disk properly.
*
* return in any case
*/
void
elf_base_flatten (elf_base *eb);
/* elf_base_print
*
* print the basic structure of the ELF file pointed to by `eb'
*
* return in any case
*/
void
elf_base_print (elf_base *eb);
#endif
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