2 * Copyright (c) 2018 John Baldwin
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 _libelf_is_mips64el(Elf *e)
36 return (e->e_kind == ELF_K_ELF && e->e_class == ELFCLASS64 &&
37 e->e_u.e_elf.e_ehdr.e_ehdr64->e_machine == EM_MIPS &&
38 e->e_u.e_elf.e_ehdr.e_ehdr64->e_ident[EI_DATA] == ELFDATA2LSB);
42 * For MIPS64, the r_info field is actually stored as a 32-bit symbol
43 * index (r_sym) followed by four single-byte fields (r_ssym, r_type3,
44 * r_type2, and r_type). The byte-swap for the little-endian case
45 * jumbles this incorrectly so compensate.
48 _libelf_mips64el_r_info_tof(Elf64_Xword r_info)
51 uint8_t ssym, type3, type2, type;
57 new_info = r_info >> 32;
58 new_info |= (Elf64_Xword)ssym << 32;
59 new_info |= (Elf64_Xword)type3 << 40;
60 new_info |= (Elf64_Xword)type2 << 48;
61 new_info |= (Elf64_Xword)type << 56;
66 _libelf_mips64el_r_info_tom(Elf64_Xword r_info)
69 uint8_t ssym, type3, type2, type;
75 new_info = (r_info & 0xffffffff) << 32;
76 new_info |= (Elf64_Xword)ssym << 24;
77 new_info |= (Elf64_Xword)type3 << 16;
78 new_info |= (Elf64_Xword)type2 << 8;
79 new_info |= (Elf64_Xword)type;