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56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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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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struct elf_region {
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region_id id;
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addr start;
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addr size;
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long delta;
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};
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struct elf_image_info {
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struct elf_image_info *next;
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char *name;
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image_id id;
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int32 ref_count;
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void *vnode;
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struct elf_region regions[2]; // describes the text and data regions
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addr dynamic_ptr; // pointer to the dynamic section
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struct elf_linked_image *linked_images;
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struct Elf32_Ehdr *eheader;
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// pointer to symbol participation data structures
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char *needed;
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unsigned int *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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};
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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) ((struct Elf32_Sym *)&(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 int elf_resolve_symbol(struct elf_image_info *image, struct Elf32_Sym *sym,
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struct elf_image_info *shared_image, const char *sym_prepend, addr *sym_addr);
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#endif /* _KERNEL_ELF_PRIV_H */
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