diff options
Diffstat (limited to 'usr.sbin/btxld/elfh.c')
| -rw-r--r-- | usr.sbin/btxld/elfh.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/usr.sbin/btxld/elfh.c b/usr.sbin/btxld/elfh.c new file mode 100644 index 0000000..c60f3b2 --- /dev/null +++ b/usr.sbin/btxld/elfh.c @@ -0,0 +1,122 @@ +/* + * Copyright (c) 1998 Robert Nordier + * 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. + * + * $Id:$ + */ + +#include <stddef.h> +#include "elfh.h" + +#define SET_ME 0xeeeeeeee /* filled in by btxld */ + +/* + * ELF header template. + */ +const struct elfh elfhdr = { + { + { + ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */ + ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0, + 'F', 'r', 'e', 'e', 'B', 'S', 'D', 0 + }, + ET_EXEC, /* e_type */ + EM_386, /* e_machine */ + EV_CURRENT, /* e_version */ + SET_ME, /* e_entry */ + offsetof(struct elfh, p), /* e_phoff */ + offsetof(struct elfh, sh), /* e_shoff */ + 0, /* e_flags */ + sizeof(elfhdr.e), /* e_ehsize */ + sizeof(elfhdr.p[0]), /* e_phentsize */ + sizeof(elfhdr.p) / sizeof(elfhdr.p[0]), /* e_phnum */ + sizeof(elfhdr.sh[0]), /* e_shentsize */ + sizeof(elfhdr.sh) / sizeof(elfhdr.sh[0]), /* e_shnum */ + 1 /* e_shstrndx */ + }, + { + { + PT_LOAD, /* p_type */ + sizeof(elfhdr), /* p_offset */ + SET_ME, /* p_vaddr */ + SET_ME, /* p_paddr */ + SET_ME, /* p_filesz */ + SET_ME, /* p_memsz */ + PF_R | PF_X, /* p_flags */ + 0x1000 /* p_align */ + }, + { + PT_LOAD, /* p_type */ + SET_ME, /* p_offset */ + SET_ME, /* p_vaddr */ + SET_ME, /* p_paddr */ + SET_ME, /* p_filesz */ + SET_ME, /* p_memsz */ + PF_R | PF_W, /* p_flags */ + 0x1000 /* p_align */ + } + }, + { + { + 0, SHT_NULL, 0, 0, 0, 0, SHN_UNDEF, 0, 0, 0 + }, + { + 1, /* sh_name */ + SHT_STRTAB, /* sh_type */ + 0, /* sh_flags */ + 0, /* sh_addr */ + offsetof(struct elfh, shstrtab), /* sh_offset */ + sizeof(elfhdr.shstrtab), /* sh_size */ + SHN_UNDEF, /* sh_link */ + 0, /* sh_info */ + 1, /* sh_addralign */ + 0 /* sh_entsize */ + }, + { + 0xb, /* sh_name */ + SHT_PROGBITS, /* sh_type */ + SHF_EXECINSTR | SHF_ALLOC, /* sh_flags */ + SET_ME, /* sh_addr */ + SET_ME, /* sh_offset */ + SET_ME, /* sh_size */ + SHN_UNDEF, /* sh_link */ + 0, /* sh_info */ + 4, /* sh_addralign */ + 0 /* sh_entsize */ + }, + { + 0x11, /* sh_name */ + SHT_PROGBITS, /* sh_type */ + SHF_ALLOC | SHF_WRITE, /* sh_flags */ + SET_ME, /* sh_addr */ + SET_ME, /* sh_offset */ + SET_ME, /* sh_size */ + SHN_UNDEF, /* sh_link */ + 0, /* sh_info */ + 4, /* sh_addralign */ + 0 /* sh_entsize */ + } + }, + "\0.shstrtab\0.text\0.data" /* shstrtab */ +}; |
