diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 372bef558..1bac01d0e 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,12 @@
+2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
+
+	Introduce TLS descriptors for i386 and x86_64.
+	* common.h (DT_TLSDESC_GOT, DT_TLSDESC_PLT): New.
+	* i386.h (R_386_TLS_GOTDESC, R_386_TLS_DESC_CALL, R_386_TLS_DESC):
+	New.
+	* x86-64.h (R_X86_64_GOTPC32_TLSDESC, R_X86_64_TLSDESC_CALL,
+	R_X86_64_TLSDESC): New.
+
 2006-01-09  Mike Frysinger  <vapier@gentoo.org>:
 
 	* common.h (EM_ALTERA_NIOS2, EM_NIOS32) Define.
diff --git a/include/elf/common.h b/include/elf/common.h
index 0108c4f7a..350d63b64 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -1,6 +1,6 @@
 /* ELF support for BFD.
    Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003, 2004
+   2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
 
    Written by Fred Fish @ Cygnus Support, from information published
@@ -576,6 +576,8 @@
 #define DT_VALRNGHI	0x6ffffdff
 
 #define DT_ADDRRNGLO	0x6ffffe00
+#define DT_TLSDESC_PLT	0x6ffffef6
+#define DT_TLSDESC_GOT	0x6ffffef7
 #define DT_GNU_CONFLICT	0x6ffffef8
 #define DT_GNU_LIBLIST	0x6ffffef9
 #define DT_CONFIG	0x6ffffefa
diff --git a/include/elf/i386.h b/include/elf/i386.h
index 5a4d3306d..e167871f3 100644
--- a/include/elf/i386.h
+++ b/include/elf/i386.h
@@ -1,5 +1,6 @@
 /* ix86 ELF support for BFD.
-   Copyright 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2002, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -61,6 +62,10 @@ START_RELOC_NUMBERS (elf_i386_reloc_type)
      RELOC_NUMBER (R_386_TLS_DTPMOD32, 35)
      RELOC_NUMBER (R_386_TLS_DTPOFF32, 36)
      RELOC_NUMBER (R_386_TLS_TPOFF32,  37)
+/* 38 */
+     RELOC_NUMBER (R_386_TLS_GOTDESC,  39)
+     RELOC_NUMBER (R_386_TLS_DESC_CALL,40)
+     RELOC_NUMBER (R_386_TLS_DESC,     41)
 
      /* Used by Intel.  */
      RELOC_NUMBER (R_386_USED_BY_INTEL_200, 200)
diff --git a/include/elf/x86-64.h b/include/elf/x86-64.h
index 309be6bfc..74655fbcd 100644
--- a/include/elf/x86-64.h
+++ b/include/elf/x86-64.h
@@ -1,5 +1,6 @@
 /* x86_64 ELF support for BFD.
-   Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006
+   Free Software Foundation, Inc.
    Contributed by Jan Hubicka <jh@suse.cz>
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -53,6 +54,14 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type)
      RELOC_NUMBER (R_X86_64_GOTOFF64, 25)     /* 64 bit offset to GOT */
      RELOC_NUMBER (R_X86_64_GOTPC32,  26)     /* 32 bit signed pc relative
                                                  offset to GOT */
+     /* 27 .. 33 */
+     RELOC_NUMBER (R_X86_64_GOTPC32_TLSDESC, 34)
+					      /* 32 bit signed pc relative
+						 offset to TLS descriptor
+						 in the GOT.  */
+     RELOC_NUMBER (R_X86_64_TLSDESC_CALL, 35) /* Relaxable call through TLS
+						 descriptor.  */
+     RELOC_NUMBER (R_X86_64_TLSDESC, 36)      /* 2x64-bit TLS descriptor.  */
      RELOC_NUMBER (R_X86_64_GNU_VTINHERIT, 250)       /* GNU C++ hack  */
      RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251)         /* GNU C++ hack  */
 END_RELOC_NUMBERS (R_X86_64_max)