Alex Smith f124497815 Added an ELF64 version of preloaded_image.
* There is now 2 structures, preloaded_elf32_image and preloaded_elf64_image,
  which both inherit from preloaded_image.
* For now I've just hardcoded in use of preloaded_elf32_image, but the
  bootloader ELF code will shortly be converted to use templates which use
  the appropriate structure. The kernel will be changed later when I add
  ELF64 support to it.
* All kernel_args data is now compatible between 32-bit and 64-bit kernels.
2012-06-22 19:24:51 +01:00

91 lines
2.0 KiB
C

/*
** 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 */