Add x32 support to ldconfig

1 files changed, 39 insertions, 27 deletions

diff --git a/sysdeps/unix/sysv/linux/i386/readelflib.c b/sysdeps/unix/sysv/linux/i386/readelflib.c
index bdd5e70bc8..fab830ef5b 100644
--- a/sysdeps/unix/sysv/linux/i386/readelflib.c
+++ b/sysdeps/unix/sysv/linux/i386/readelflib.c
@@ -32,40 +32,52 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
 		  size_t file_length)
 {
   ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
-  int ret;
+  int ret, file_flag = 0;
 
-  if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
-    return process_elf32_file (file_name, lib, flag, osversion, soname,
-			       file_contents, file_length);
-  else
+  switch (elf_header->e_machine)
     {
-      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 SKIP_EM_IA_64
+    case EM_IA_64:
+      if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
 	{
-	case EM_IA_64:
-	case EM_X86_64:
+	  /* IA64 64bit libraries are always libc.so.6+.  */
+	  file_flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
 	  break;
-	default:
-	  error (0, 0, _("%s is for unknown machine %d.\n"),
-		 file_name, elf_header->e_machine);
-	  return 1;
 	}
+      goto failed;
+#endif
+    case EM_386:
+      if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
+	break;
+      /* Fall through.  */
+    default:
+#ifndef SKIP_EM_IA_64
+failed:
+#endif
+      error (0, 0, _("%s is for unknown machine %d.\n"),
+	     file_name, elf_header->e_machine);
+      return 1;
+    }
 
-      ret = process_elf64_file (file_name, lib, flag, osversion, soname,
-				file_contents, file_length);
-      /* IA64/X86-64 64bit libraries are always libc.so.6+.  */
-      if (!ret)
-	switch (elf_header->e_machine)
-	  {
-	  case EM_IA_64:
-	    *flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
-	    break;
-	  case EM_X86_64:
-	    *flag = FLAG_X8664_LIB64|FLAG_ELF_LIBC6;
-	    break;
-	  }
+  if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
+    ret = process_elf32_file (file_name, lib, flag, osversion, soname,
+			      file_contents, file_length);
+  else
+    ret = process_elf64_file (file_name, lib, flag, osversion, soname,
+			      file_contents, file_length);
 
-      return ret;
-    }
+  if (!ret && file_flag)
+    *flag = file_flag;
+
+  return ret;
 }
 
 #undef __ELF_NATIVE_CLASS