diff options
Diffstat (limited to 'usr.sbin/kgzip/elfhdr.c')
| -rw-r--r-- | usr.sbin/kgzip/elfhdr.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/usr.sbin/kgzip/elfhdr.c b/usr.sbin/kgzip/elfhdr.c new file mode 100644 index 0000000..12b1d5f --- /dev/null +++ b/usr.sbin/kgzip/elfhdr.c @@ -0,0 +1,164 @@ +/* + * Copyright (c) 1999 Global Technology Associates, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/endian.h> +#include <stddef.h> +#include "elfhdr.h" + +#define KGZ_FIX_NSIZE 0 /* Run-time fixup */ + +/* + * Relocatable header template. + */ +const struct kgz_elfhdr elfhdr = { + /* ELF header */ + { + { + ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */ + ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0, + 'F', 'r', 'e', 'e', 'B', 'S', 'D', 0 + }, + htole16(ET_EXEC), /* e_type */ + htole16(EM_386), /* e_machine */ + htole32(EV_CURRENT), /* e_version */ + 0, /* e_entry */ + 0, /* e_phoff */ + htole32(offsetof(struct kgz_elfhdr, sh)), /* e_shoff */ + 0, /* e_flags */ + htole16(sizeof(Elf32_Ehdr)), /* e_ehsize */ + 0, /* e_phentsize */ + 0, /* e_phnum */ + htole16(sizeof(Elf32_Shdr)), /* e_shentsize */ + htole16(KGZ_SHNUM), /* e_shnum */ + htole16(KGZ_SH_SHSTRTAB) /* e_shstrndx */ + }, + /* Section header */ + { + { + 0, /* sh_name */ + htole32(SHT_NULL), /* sh_type */ + 0, /* sh_flags */ + 0, /* sh_addr */ + 0, /* sh_offset */ + 0, /* sh_size */ + htole32(SHN_UNDEF), /* sh_link */ + 0, /* sh_info */ + 0, /* sh_addralign */ + 0 /* sh_entsize */ + }, + { + htole32(offsetof(struct kgz_shstrtab, symtab)), /* sh_name */ + htole32(SHT_SYMTAB), /* sh_type */ + 0, /* sh_flags */ + 0, /* sh_addr */ + htole32(offsetof(struct kgz_elfhdr, st)), /* sh_offset */ + htole32(sizeof(Elf32_Sym) * KGZ_STNUM), /* sh_size */ + htole32(KGZ_SH_STRTAB), /* sh_link */ + htole32(1), /* sh_info */ + htole32(4), /* sh_addralign */ + htole32(sizeof(Elf32_Sym)) /* sh_entsize */ + }, + { + htole32(offsetof(struct kgz_shstrtab, shstrtab)), /* sh_name */ + htole32(SHT_STRTAB), /* sh_type */ + 0, /* sh_flags */ + 0, /* sh_addr */ + htole32(offsetof(struct kgz_elfhdr, shstrtab)), /* sh_offset */ + htole32(sizeof(struct kgz_shstrtab)), /* sh_size */ + htole32(SHN_UNDEF), /* sh_link */ + 0, /* sh_info */ + htole32(1), /* sh_addralign */ + 0 /* sh_entsize */ + }, + { + htole32(offsetof(struct kgz_shstrtab, strtab)), /* sh_name */ + htole32(SHT_STRTAB), /* sh_type */ + 0, /* sh_flags */ + 0, /* sh_addr */ + htole32(offsetof(struct kgz_elfhdr, strtab)), /* sh_offset */ + htole32(sizeof(struct kgz_strtab)), /* sh_size */ + htole32(SHN_UNDEF), /* sh_link */ + 0, /* sh_info */ + htole32(1), /* sh_addralign */ + 0 /* sh_entsize */ + }, + { + htole32(offsetof(struct kgz_shstrtab, data)), /* sh_name */ + htole32(SHT_PROGBITS), /* sh_type */ + htole32(SHF_ALLOC | SHF_WRITE), /* sh_flags */ + 0, /* sh_addr */ + htole32(sizeof(struct kgz_elfhdr)), /* sh_offset */ + htole32(sizeof(struct kgz_hdr) + KGZ_FIX_NSIZE), /* sh_size */ + htole32(SHN_UNDEF), /* sh_link */ + 0, /* sh_info */ + htole32(4), /* sh_addralign */ + 0 /* sh_entsize */ + } + }, + /* Symbol table */ + { + { + 0, /* st_name */ + 0, /* st_value */ + 0, /* st_size */ + 0, /* st_info */ + 0, /* st_other */ + htole16(SHN_UNDEF) /* st_shndx */ + }, + { + htole32(offsetof(struct kgz_strtab, kgz)), /* st_name */ + 0, /* st_value */ + htole32(sizeof(struct kgz_hdr)), /* st_size */ + ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), /* st_info */ + 0, /* st_other */ + htole16(KGZ_SH_DATA) /* st_shndx */ + }, + { + htole32(offsetof(struct kgz_strtab, kgz_ndata)), /* st_name */ + htole32(sizeof(struct kgz_hdr)), /* st_value */ + htole32(KGZ_FIX_NSIZE), /* st_size */ + ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), /* st_info */ + 0, /* st_other */ + htole16(KGZ_SH_DATA) /* st_shndx */ + } + }, + /* Section header string table */ + { + KGZ_SHSTR_ZERO, /* zero */ + KGZ_SHSTR_SYMTAB, /* symtab */ + KGZ_SHSTR_SHSTRTAB, /* shstrtab */ + KGZ_SHSTR_STRTAB, /* strtab */ + KGZ_SHSTR_DATA /* data */ + }, + /* String table */ + { + KGZ_STR_ZERO, /* zero */ + KGZ_STR_KGZ, /* kgz */ + KGZ_STR_KGZ_NDATA /* kgz_ndata */ + } +}; |
