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-rw-r--r--elf/tst-elf-edit.h126
1 files changed, 0 insertions, 126 deletions
diff --git a/elf/tst-elf-edit.h b/elf/tst-elf-edit.h
deleted file mode 100644
index b764e78933..0000000000
--- a/elf/tst-elf-edit.h
+++ /dev/null
@@ -1,126 +0,0 @@
-/* Update p_align of the first PT_LOAD segment.
- Copyright (C) 2022 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- 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
- <https://www.gnu.org/licenses/>. */
-
-#include <stdio.h>
-#include <stdbool.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <link.h>
-#include <error.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-
-const char *file_name;
-
-static size_t update_p_align (size_t);
-
-int
-main (int argc, char ** argv)
-{
- if (argc != 2)
- {
- printf ("Usage: %s: file\n", argv[0]);
- return 0;
- }
-
- file_name = argv[1];
- struct stat statbuf;
- int errno_saved;
-
- if (stat (file_name, &statbuf) < 0)
- error (1, errno, "%s: not exist", file_name);
-
- ElfW(Ehdr) *ehdr;
-
- if (statbuf.st_size < sizeof (*ehdr))
- error (1, 0, "%s: too small", file_name);
-
- int fd = open (file_name, O_RDWR);
- if (fd < 0)
- error (1, errno, "%s: can't open", file_name);
-
- /* Map in the whole file. */
- void *base = mmap (NULL, statbuf.st_size, PROT_READ | PROT_WRITE,
- MAP_SHARED, fd, 0);
- if (base == MAP_FAILED)
- {
- errno_saved = errno;
- close (fd);
- error (1, errno_saved, "%s: failed to map", file_name);
- }
-
- ehdr = (ElfW(Ehdr) *) base;
- if (ehdr->e_ident[EI_MAG0] != ELFMAG0
- || ehdr->e_ident[EI_MAG1] != ELFMAG1
- || ehdr->e_ident[EI_MAG2] != ELFMAG2
- || ehdr->e_ident[EI_MAG3] != ELFMAG3)
- {
- close (fd);
- error (1, 0, "%s: bad ELF header", file_name);
- }
-
- if (ehdr->e_type != ET_DYN)
- {
- close (fd);
- error (1, 0, "%s: not shared library", file_name);
- }
-
- bool unsupported_class = true;
- switch (ehdr->e_ident[EI_CLASS])
- {
- default:
- break;
-
- case ELFCLASS32:
- unsupported_class = __ELF_NATIVE_CLASS != 32;
- break;
-
- case ELFCLASS64:
- unsupported_class = __ELF_NATIVE_CLASS != 64;
- break;
- }
-
- if (unsupported_class)
- {
- close (fd);
- error (1, 0, "%s: unsupported ELF class: %d",
- file_name, ehdr->e_ident[EI_CLASS]);
- }
-
- size_t phdr_size = sizeof (ElfW(Phdr)) * ehdr->e_phentsize;
- if (statbuf.st_size < (ehdr->e_phoff + phdr_size))
- {
- close (fd);
- error (1, 0, "%s: too small", file_name);
- }
-
- ElfW(Phdr) *phdr = (ElfW(Phdr) *) (base + ehdr->e_phoff);
- for (int i = 0; i < ehdr->e_phnum; i++, phdr++)
- if (phdr->p_type == PT_LOAD)
- {
- /* Update p_align of the first PT_LOAD segment. */
- phdr->p_align = update_p_align (phdr->p_align);
- break;
- }
-
- munmap (base, statbuf.st_size);
- close (fd);
-
- return 0;
-}