Handle ELFCLASS32 files for x86-64

src/trusted/service_runtime/nacl_error_code.c

 /*
  * Copyright (c) 2011 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "native_client/src/trusted/service_runtime/nacl_error_code.h"
 
 #include "native_client/src/shared/platform/nacl_log.h"
 
@@ skipping 28 matching lines @@
     case LOAD_NOT_64_BIT:
       return "Not a 64-bit ELF file";
     case LOAD_BAD_ABI:
       return "ELF file has unexpected OS ABI";
     case LOAD_NOT_EXEC:
       return "ELF file type not executable";
     case LOAD_BAD_MACHINE:
       return "ELF file for wrong architecture";
     case LOAD_BAD_ELF_VERS:
       return "ELF version mismatch";
-    case LOAD_TOO_MANY_SECT:
-      return "Too many section headers";
-    case LOAD_BAD_SECT:
-      return "ELF bad sections";
+    case LOAD_EHDR_OVERFLOW:
+      return "ELFCLASS64 file header has fields that overflow 32 bits";
+    case LOAD_PHDR_OVERFLOW:
+      return "ELFCLASS64 program header has fields that overflow 32 bits";
     case LOAD_NO_MEMORY:
       return "Insufficient memory to load file";
-    case LOAD_SECT_HDR:
-      return "ELF section header string table load error";
+    case LOAD_BAD_EHSIZE:
+      return "ELFCLASS64 file header has wrong e_ehsize value";
     case LOAD_ADDR_SPACE_TOO_SMALL:
       return "Address space too small";
     case LOAD_ADDR_SPACE_TOO_BIG:
       return "Address space too big";
     case LOAD_DATA_OVERLAPS_STACK_SECTION:
       return ("Memory \"hole\" between end of BSS and start of stack"
               " is negative in size");
     case LOAD_RODATA_OVERLAPS_DATA:
       return "Read-only data segment overlaps data segment";
     case LOAD_DATA_NOT_LAST_SEGMENT:
@@ skipping 72 matching lines @@
   /*
    * do not use default case label, to make sure that the compiler
    * will generate a warning with -Wswitch-enum for new codes
    * introduced in nacl_error_codes.h for which there is no
    * corresponding entry here.  instead, we pretend that fall-through
    * from the switch is possible.  (otherwise -W complains control
    * reaches end of non-void function.)
    */
   return "BAD ERROR CODE";
 }