diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/readelflib.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/readelflib.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/readelflib.c b/sysdeps/unix/sysv/linux/mips/readelflib.c new file mode 100644 index 0000000000..5643fde593 --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/readelflib.c @@ -0,0 +1,91 @@ +/* Copyright (C) 1999-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com> + Based on work ../x86_64/readelflib.c, + contributed by Andreas Jaeger <aj@suse.de>, 1999 and + Jakub Jelinek <jakub@redhat.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + + +int process_elf32_file (const char *file_name, const char *lib, int *flag, + unsigned int *osversion, char **soname, + void *file_contents, size_t file_length); +int process_elf64_file (const char *file_name, const char *lib, int *flag, + unsigned int *osversion, char **soname, + void *file_contents, size_t file_length); + +/* Returns 0 if everything is ok, != 0 in case of error. */ +int +process_elf_file (const char *file_name, const char *lib, int *flag, + unsigned int *osversion, char **soname, void *file_contents, + size_t file_length) +{ + union + { + Elf64_Ehdr *eh64; + Elf32_Ehdr *eh32; + ElfW(Ehdr) *eh; + } + elf_header; + int ret; + + elf_header.eh = file_contents; + if (elf_header.eh->e_ident [EI_CLASS] == ELFCLASS32) + { + ret = process_elf32_file (file_name, lib, flag, osversion, soname, + file_contents, file_length); + if (!ret) + { + Elf32_Word flags = elf_header.eh32->e_flags; + int nan2008 = (flags & EF_MIPS_NAN2008) != 0; + + /* n32 libraries are always libc.so.6+, o32 only if 2008 NaN. */ + if ((flags & EF_MIPS_ABI2) != 0) + *flag = (nan2008 ? FLAG_MIPS64_LIBN32_NAN2008 + : FLAG_MIPS64_LIBN32) | FLAG_ELF_LIBC6; + else if (nan2008) + *flag = FLAG_MIPS_LIB32_NAN2008 | FLAG_ELF_LIBC6; + } + } + else + { + ret = process_elf64_file (file_name, lib, flag, osversion, soname, + file_contents, file_length); + /* n64 libraries are always libc.so.6+. */ + if (!ret) + { + Elf64_Word flags = elf_header.eh64->e_flags; + int nan2008 = (flags & EF_MIPS_NAN2008) != 0; + + *flag = (nan2008 ? FLAG_MIPS64_LIBN64_NAN2008 + : FLAG_MIPS64_LIBN64) | FLAG_ELF_LIBC6; + } + } + + return ret; +} + +#undef __ELF_NATIVE_CLASS +#undef process_elf_file +#define process_elf_file process_elf32_file +#define __ELF_NATIVE_CLASS 32 +#include "elf/readelflib.c" + +#undef __ELF_NATIVE_CLASS +#undef process_elf_file +#define process_elf_file process_elf64_file +#define __ELF_NATIVE_CLASS 64 +#include "elf/readelflib.c" |