--- a/src/unexelf.c	Mon Aug 13 10:20:29 2007 +0200
+++ b/src/unexelf.c	Mon Aug 13 10:21:18 2007 +0200
@@ -18,7 +18,7 @@
 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-/* Synched up with: FSF 19.31. */
+/* Synched up with: FSF 20.2. */
 
 /*
  * unexec.c - Convert a running program into an a.out file.
@@ -420,6 +420,18 @@
 #include <elf.h>
 #include <sys/mman.h>
 
+#if __GNU_LIBRARY__ - 0 >= 6
+# include <link.h>	/* get ElfW etc */
+#endif
+
+#ifndef ElfW
+# ifdef __STDC__
+#  define ElfW(type)	Elf32_##type
+# else
+#  define ElfW(type)	Elf32_/**/type
+# endif
+#endif
+
 #ifndef emacs
 #define fatal(a, b, c) fprintf (stderr, a, b, c), exit (1)
 #else
@@ -459,13 +471,13 @@
    */
 
 #define OLD_SECTION_H(n) \
-     (*(Elf32_Shdr *) ((byte *) old_section_h + old_file_h->e_shentsize * (n)))
+     (*(ElfW(Shdr) *) ((byte *) old_section_h + old_file_h->e_shentsize * (n)))
 #define NEW_SECTION_H(n) \
-     (*(Elf32_Shdr *) ((byte *) new_section_h + new_file_h->e_shentsize * (n)))
+     (*(ElfW(Shdr) *) ((byte *) new_section_h + new_file_h->e_shentsize * (n)))
 #define OLD_PROGRAM_H(n) \
-     (*(Elf32_Phdr *) ((byte *) old_program_h + old_file_h->e_phentsize * (n)))
+     (*(ElfW(Phdr) *) ((byte *) old_program_h + old_file_h->e_phentsize * (n)))
 #define NEW_PROGRAM_H(n) \
-     (*(Elf32_Phdr *) ((byte *) new_program_h + new_file_h->e_phentsize * (n)))
+     (*(ElfW(Phdr) *) ((byte *) new_program_h + new_file_h->e_phentsize * (n)))
 
 #define PATCH_INDEX(n) \
   do { \
@@ -507,17 +519,17 @@
   /* Pointers to the file, program and section headers for the old and new
    * files.
    */
-  Elf32_Ehdr *old_file_h, *new_file_h;
-  Elf32_Phdr *old_program_h, *new_program_h;
-  Elf32_Shdr *old_section_h, *new_section_h;
+  ElfW(Ehdr) *old_file_h, *new_file_h;
+  ElfW(Phdr) *old_program_h, *new_program_h;
+  ElfW(Shdr) *old_section_h, *new_section_h;
 
   /* Point to the section name table in the old file */
   char *old_section_names;
 
-  Elf32_Addr old_bss_addr, new_bss_addr;
-  Elf32_Word old_bss_size, new_data2_size;
-  Elf32_Off  new_data2_offset;
-  Elf32_Addr new_data2_addr;
+  ElfW(Addr) old_bss_addr, new_bss_addr;
+  ElfW(Word) old_bss_size, new_data2_size;
+  ElfW(Off)  new_data2_offset;
+  ElfW(Addr) new_data2_addr;
 
   int n, nn, old_bss_index, old_data_index;
   struct stat stat_buf;
@@ -544,9 +556,9 @@
 
   /* Get pointers to headers & section names */
 
-  old_file_h = (Elf32_Ehdr *) old_base;
-  old_program_h = (Elf32_Phdr *) ((byte *) old_base + old_file_h->e_phoff);
-  old_section_h = (Elf32_Shdr *) ((byte *) old_base + old_file_h->e_shoff);
+  old_file_h = (ElfW(Ehdr) *) old_base;
+  old_program_h = (ElfW(Phdr) *) ((byte *) old_base + old_file_h->e_phoff);
+  old_section_h = (ElfW(Shdr) *) ((byte *) old_base + old_file_h->e_shoff);
   old_section_names = (char *) old_base
     + OLD_SECTION_H (old_file_h->e_shstrndx).sh_offset;
 
@@ -570,8 +582,8 @@
 
   old_bss_addr = OLD_SECTION_H (old_bss_index).sh_addr;
   old_bss_size = OLD_SECTION_H (old_bss_index).sh_size;
-#if defined(emacs) || !defined(DEBUG)
-  new_bss_addr = (Elf32_Addr) sbrk (0);
+#if defined (emacs) || !defined (DEBUG)
+  new_bss_addr = (ElfW(Addr)) sbrk (0);
 #else
   new_bss_addr = old_bss_addr + old_bss_size + 0x1234;
 #endif
@@ -617,9 +629,9 @@
   if (new_base == (caddr_t) -1)
     fatal ("Can't mmap (%s): errno %d\n", new_name, errno);
 
-  new_file_h = (Elf32_Ehdr *) new_base;
-  new_program_h = (Elf32_Phdr *) ((byte *) new_base + old_file_h->e_phoff);
-  new_section_h = (Elf32_Shdr *)
+  new_file_h = (ElfW(Ehdr) *) new_base;
+  new_program_h = (ElfW(Phdr) *) ((byte *) new_base + old_file_h->e_phoff);
+  new_section_h = (ElfW(Shdr) *)
     ((byte *) new_base + old_file_h->e_shoff + new_data2_size);
 
   /* Make our new file, program and section headers as copies of the
@@ -821,9 +833,9 @@
       if (NEW_SECTION_H (nn).sh_type == SHT_SYMTAB
 	  || NEW_SECTION_H (nn).sh_type == SHT_DYNSYM)
 	{
-	  Elf32_Shdr *spt = &NEW_SECTION_H (nn);
+	  ElfW(Shdr) *spt = &NEW_SECTION_H (nn);
 	  unsigned int num = spt->sh_size / spt->sh_entsize;
-	  Elf32_Sym * sym = (Elf32_Sym *) (NEW_SECTION_H (nn).sh_offset +
+	  ElfW(Sym) * sym = (ElfW(Sym) *) (NEW_SECTION_H (nn).sh_offset +
 					   new_base);
 	  for (; num--; sym++)
 	    {
@@ -841,7 +853,7 @@
   for (n = new_file_h->e_shnum - 1; n; n--)
     {
       byte *symnames;
-      Elf32_Sym *symp, *symendp;
+      ElfW(Sym) *symp, *symendp;
 
       if (NEW_SECTION_H (n).sh_type != SHT_DYNSYM
 	  && NEW_SECTION_H (n).sh_type != SHT_SYMTAB)
@@ -849,8 +861,8 @@
 
       symnames = ((byte *) new_base
 		  + NEW_SECTION_H (NEW_SECTION_H (n).sh_link).sh_offset);
-      symp = (Elf32_Sym *) (NEW_SECTION_H (n).sh_offset + new_base);
-      symendp = (Elf32_Sym *) ((byte *)symp + NEW_SECTION_H (n).sh_size);
+      symp = (ElfW(Sym) *) (NEW_SECTION_H (n).sh_offset + new_base);
+      symendp = (ElfW(Sym) *) ((byte *)symp + NEW_SECTION_H (n).sh_size);
 
       for (; symp < symendp; symp ++)
 	if (strcmp ((char *) (symnames + symp->st_name), "_end") == 0
@@ -862,7 +874,7 @@
      that it can undo relocations performed by the runtime linker.  */
   for (n = new_file_h->e_shnum - 1; n; n--)
     {
-      Elf32_Shdr section = NEW_SECTION_H (n);
+      ElfW(Shdr) section = NEW_SECTION_H (n);
       switch (section.sh_type) {
       default:
 	break;
@@ -884,14 +896,14 @@
 			".data1"))
 #endif
 	  {
-	    Elf32_Addr offset = NEW_SECTION_H (nn).sh_addr -
+	    ElfW(Addr) offset = NEW_SECTION_H (nn).sh_addr -
 	      NEW_SECTION_H (nn).sh_offset;
 	    caddr_t reloc = old_base + section.sh_offset, end;
 	    for (end = reloc + section.sh_size; reloc < end;
 		 reloc += section.sh_entsize)
 	      {
-		Elf32_Addr addr = ((Elf32_Rel *) reloc)->r_offset - offset;
-		memcpy (new_base + addr, old_base + addr, 4);
+		ElfW(Addr) addr = ((ElfW(Rel) *) reloc)->r_offset - offset;
+		memcpy (new_base + addr, old_base + addr, sizeof(ElfW(Addr)));
 	      }
 	  }
 	break;