85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
/*
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* Copyright 2002-2007, Haiku Inc. All Rights Reserved.
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* Distributed under the terms of the MIT license.
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*
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* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*/
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#ifndef _KERNEL_ELF_PRIV_H
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#define _KERNEL_ELF_PRIV_H
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#include <elf32.h>
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#include <elf64.h>
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#include <image.h>
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struct elf_version_info;
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typedef struct elf_region {
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area_id id;
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addr_t start;
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addr_t size;
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long delta;
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} elf_region;
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struct elf_image_info {
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struct elf_image_info *next; // next image in the hash
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char *name;
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image_id id;
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int32 ref_count;
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struct vnode *vnode;
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elf_region text_region;
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elf_region data_region;
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addr_t dynamic_section; // pointer to the dynamic section
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struct elf_linked_image *linked_images;
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bool symbolic;
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struct Elf32_Ehdr *elf_header;
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// pointer to symbol participation data structures
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char *needed;
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uint32 *symhash;
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struct Elf32_Sym *syms;
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char *strtab;
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struct Elf32_Rel *rel;
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int rel_len;
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struct Elf32_Rela *rela;
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int rela_len;
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struct Elf32_Rel *pltrel;
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int pltrel_len;
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int pltrel_type;
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struct Elf32_Sym *debug_symbols;
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uint32 num_debug_symbols;
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const char *debug_string_table;
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// versioning related structures
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uint32 num_version_definitions;
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struct Elf32_Verdef *version_definitions;
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uint32 num_needed_versions;
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struct Elf32_Verneed *needed_versions;
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Elf32_Versym *symbol_versions;
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struct elf_version_info *versions;
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uint32 num_versions;
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};
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#define STRING(image, offset) ((char *)(&(image)->strtab[(offset)]))
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#define SYMNAME(image, sym) STRING(image, (sym)->st_name)
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#define SYMBOL(image, num) (&(image)->syms[num])
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#define HASHTABSIZE(image) ((image)->symhash[0])
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#define HASHBUCKETS(image) ((unsigned int *)&(image)->symhash[2])
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#define HASHCHAINS(image) ((unsigned int *)&(image)->symhash[2+HASHTABSIZE(image)])
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extern
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#ifdef __cplusplus
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"C"
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#endif
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status_t elf_resolve_symbol(struct elf_image_info *image, struct Elf32_Sym *sym,
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struct elf_image_info *shared_image, addr_t *sym_addr);
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#endif /* _KERNEL_ELF_PRIV_H */
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