/*
** Copyright 2003-2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
*/
#ifndef KERNEL_BOOT_ELF_H
#define KERNEL_BOOT_ELF_H


#include <boot/addr_range.h>
#include <sys/stat.h>
#include <elf_priv.h>
#include <util/FixedWidthPointer.h>

typedef struct elf32_region {
	area_id		id;
	uint32		start;
	uint32		size;
	int32		delta;
} _PACKED elf32_region;

typedef struct elf64_region {
	area_id		id;
	uint64		start;
	uint64		size;
	int64		delta;
} _PACKED elf64_region;

struct preloaded_image {
	FixedWidthPointer<struct preloaded_image> next;
	FixedWidthPointer<char> name;
	uint8		elf_class;
	addr_range	dynamic_section;

	FixedWidthPointer<const char> debug_string_table;
	uint32		num_debug_symbols;
	uint32		debug_string_table_size;

	ino_t		inode;
	image_id	id;
		// the ID field will be filled out in the kernel
	bool		is_module;
		// set by the module initialization code
} _PACKED;

struct preloaded_elf32_image : public preloaded_image {
	Elf32_Ehdr elf_header;
	elf32_region text_region;
	elf32_region data_region;

	FixedWidthPointer<Elf32_Sym> syms;
	FixedWidthPointer<Elf32_Rel> rel;
	int32		rel_len;
	FixedWidthPointer<Elf32_Rela> rela;
	int32		rela_len;
	FixedWidthPointer<Elf32_Rel> pltrel;
	int32		pltrel_len;
	int32		pltrel_type;

	FixedWidthPointer<Elf32_Sym> debug_symbols;
} _PACKED;

struct preloaded_elf64_image : public preloaded_image {
	Elf64_Ehdr elf_header;
	elf64_region text_region;
	elf64_region data_region;

	FixedWidthPointer<Elf64_Sym> syms;
	FixedWidthPointer<Elf64_Rel> rel;
	int64		rel_len;
	FixedWidthPointer<Elf64_Rela> rela;
	int64		rela_len;
	FixedWidthPointer<Elf64_Rel> pltrel;
	int64		pltrel_len;
	int64		pltrel_type;

	FixedWidthPointer<Elf64_Sym> debug_symbols;
} _PACKED;

#ifdef __cplusplus
extern "C" {
#endif

extern status_t boot_elf_resolve_symbol(struct preloaded_elf32_image *image,
	struct Elf32_Sym *symbol, addr_t *symbolAddress);

#ifdef __cplusplus
}
#endif

#endif	/* KERNEL_BOOT_ELF_H */