x86: Make dl-cache.h and readelflib.c not Linux-specific

These files could be useful to any port that wants to use ld.so.cache.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

2 files changed, 0 insertions, 141 deletions

diff --git a/sysdeps/unix/sysv/linux/x86/readelflib.c b/sysdeps/unix/sysv/linux/x86/readelflib.c
deleted file mode 100644
index 3b8a228162..0000000000
--- a/sysdeps/unix/sysv/linux/x86/readelflib.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/* Copyright (C) 1999-2023 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/>.  */
-
-int process_elf32_file (const char *file_name, const char *lib,
-			int *flag, unsigned int *isa_level, char **soname,
-			void *file_contents, size_t file_length);
-int process_elf64_file (const char *file_name, const char *lib,
-			int *flag, unsigned int *isa_level, 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 *isa_level, char **soname, void *file_contents,
-		  size_t file_length)
-{
-  ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
-  int ret, file_flag = 0;
-
-  switch (elf_header->e_machine)
-    {
-    case EM_X86_64:
-      if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
-	/* X86-64 64bit libraries are always libc.so.6+.  */
-	file_flag = FLAG_X8664_LIB64|FLAG_ELF_LIBC6;
-      else
-	/* X32 libraries are always libc.so.6+.  */
-	file_flag = FLAG_X8664_LIBX32|FLAG_ELF_LIBC6;
-      break;
-#ifndef __x86_64__
-    case EM_IA_64:
-      if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
-	{
-	  /* IA64 64bit libraries are always libc.so.6+.  */
-	  file_flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
-	  break;
-	}
-      goto failed;
-#endif
-    case EM_386:
-      if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
-	break;
-      /* Fall through.  */
-    default:
-#ifndef __x86_64__
-failed:
-#endif
-      error (0, 0, _("%s is for unknown machine %d.\n"),
-	     file_name, elf_header->e_machine);
-      return 1;
-    }
-
-  if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
-    ret = process_elf32_file (file_name, lib, flag, isa_level, soname,
-			      file_contents, file_length);
-  else
-    ret = process_elf64_file (file_name, lib, flag, isa_level, soname,
-			      file_contents, file_length);
-
-  if (!ret && file_flag)
-    *flag = file_flag;
-
-  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"
diff --git a/sysdeps/unix/sysv/linux/x86_64/dl-cache.h b/sysdeps/unix/sysv/linux/x86_64/dl-cache.h
deleted file mode 100644
index 82fed7bed4..0000000000
--- a/sysdeps/unix/sysv/linux/x86_64/dl-cache.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
-   Copyright (C) 1999-2023 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/>.  */
-
-#define _DL_CACHE_DEFAULT_ID	0x303
-
-#define _dl_cache_check_flags(flags)			\
-  ((flags) == _DL_CACHE_DEFAULT_ID)
-
-#define add_system_dir(dir) \
-  do								\
-    {								\
-      size_t len = strlen (dir);				\
-      char path[len + 4];					\
-      memcpy (path, dir, len + 1);				\
-      if (len >= 6 && ! memcmp (path + len - 6, "/lib64", 6))	\
-	{							\
-	  len -= 2;						\
-	  path[len] = '\0';					\
-	}							\
-      else if (len >= 7						\
-	       && ! memcmp (path + len - 7, "/libx32", 7))	\
-	{							\
-	  len -= 3;						\
-	  path[len] = '\0';					\
-	}							\
-      add_dir (path);						\
-      if (len >= 4 && ! memcmp (path + len - 4, "/lib", 4))	\
-	{							\
-	  memcpy (path + len, "64", 3);				\
-	  add_dir (path);					\
-	  memcpy (path + len, "x32", 4);				\
-	  add_dir (path);					\
-	}							\
-    } while (0)
-
-#include <sysdeps/generic/dl-cache.h>