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Diffstat (limited to 'qemu/roms/SLOF/include/libelf.h')
| -rw-r--r-- | qemu/roms/SLOF/include/libelf.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/include/libelf.h b/qemu/roms/SLOF/include/libelf.h new file mode 100644 index 000000000..5fbf27927 --- /dev/null +++ b/qemu/roms/SLOF/include/libelf.h @@ -0,0 +1,99 @@ +/****************************************************************************** + * Copyright (c) 2004, 2011 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +/* + * ELF loader library + */ + +#ifndef __LIBELF_H +#define __LIBELF_H + +#include <stdint.h> + +/* ELF object file types */ +#define ET_NONE 0 /* No file type */ +#define ET_REL 1 /* Relocatable file */ +#define ET_EXEC 2 /* Executable file */ +#define ET_DYN 3 /* Shared object file */ +#define ET_CORE 4 /* Core file */ + +/* ELF object endian */ +#define ELFDATA2LSB 1 /* 2's complement, little endian */ +#define ELFDATA2MSB 2 /* 2's complement, big endian */ + +/* Generic ELF header */ +struct ehdr { + uint32_t ei_ident; + uint8_t ei_class; + uint8_t ei_data; + uint8_t ei_version; + uint8_t ei_pad[9]; + uint16_t e_type; + uint16_t e_machine; + uint32_t e_version; +}; + +/* Section types (sh_type) */ +#define SHT_NULL 0 /* Unused section header */ +#define SHT_PROGBITS 1 /* Information defined by the program */ +#define SHT_SYMTAB 2 /* Linker symbol table */ +#define SHT_STRTAB 3 /* String table */ +#define SHT_RELA 4 /* "Rela" type relocation entries */ +#define SHT_HASH 5 /* Symbol hash table */ +#define SHT_DYNAMIC 6 /* Dynamic linking tables */ +#define SHT_NOTE 7 /* Note information */ +#define SHT_NOBITS 8 /* Uninitialized space */ +#define SHT_REL 9 /* "Rel" type relocation entries */ +#define SHT_SHLIB 10 /* Reserved */ +#define SHT_DYNSYM 11 /* Dynamic loader symbol table */ + +/* Section attributs (sh_flags) */ +#define SHF_WRITE 0x1 +#define SHF_ALLOC 0x2 +#define SHF_EXECINSTR 0x4 + +/* Segment types (p_type) */ +#define PT_NULL 0 /* Unused entry */ +#define PT_LOAD 1 /* Loadable segment */ +#define PT_DYNAMIC 2 /* Dynamic linking tables */ +#define PT_INTERP 3 /* Program interpreter path name */ +#define PT_NOTE 4 /* Note sections */ + + +int elf_load_file(void *file_addr, unsigned long *entry, + int (*pre_load)(void*, long), + void (*post_load)(void*, long)); +int elf_load_file_to_addr(void *file_addr, void *addr, unsigned long *entry, + int (*pre_load)(void*, long), + void (*post_load)(void*, long)); + +void elf_byteswap_header32(void *file_addr); +void elf_byteswap_header64(void *file_addr); + +unsigned int elf_load_segments32(void *file_addr, signed long offset, + int (*pre_load)(void*, long), + void (*post_load)(void*, long)); +unsigned long elf_load_segments64(void *file_addr, signed long offset, + int (*pre_load)(void*, long), + void (*post_load)(void*, long)); + +long elf_get_base_addr(void *file_addr); +long elf_get_base_addr32(void *file_addr); +long elf_get_base_addr64(void *file_addr); +uint32_t elf_get_eflags_32(void *file_addr); +uint32_t elf_get_eflags_64(void *file_addr); + +void elf_relocate64(void *file_addr, signed long offset); + +int elf_forth_claim(void *addr, long size); + +#endif /* __LIBELF_H */ |