Cherry pick some binutils NaCl strip/objcopy fixes in pnacl 2.23 branch.

bfd/ChangeLog

Index: bfd/ChangeLog
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7e82f27e3187e661435c6ebcc78c77528bedc383..1a702bdad03e8da48204dc084656966eb1f5e6ed 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,31 @@
+2013-11-19  Roland McGrath  <mcgrathr@google.com>
+
+       * elf-nacl.c (nacl_modify_segment_map): Calculate SIZEOF_HEADERS
+       when not doing linking (i.e. INFO is a null pointer).
+
+2013-11-07  Roland McGrath  <mcgrathr@google.com>
+
+	* archures.c (bfd_mach_i386_nacl): Fix definition so it doesn't
+	collide with bfd_mach_l1om.
+	* bfd-in2.h: Regenerate.
+
+	* elf32-i386.c (elf32_i386_nacl_elf_object_p): New function.
+	(elf_backend_object_p): Use that in elf32-i386-nacl definition.
+	* elf64-x86-64.c (elf64_x86_64_nacl_elf_object_p): New function.
+	(elf_backend_object_p): Use that in elf64-x86-64-nacl definition.
+	(elf32_x86_64_nacl_elf_object_p): New function.
+	(elf_backend_object_p): Use that in elf32-x86-64-nacl definition.
+
+2013-08-26  Roland McGrath  <mcgrathr@google.com>
+
+	* archures.c (bfd_mach_i386_nacl, bfd_mach_i386_i386_nacl): New macros.
+	(bfd_mach_x86_64_nacl, bfd_mach_x64_32_nacl): New macros.
+	* cpu-i386.c (bfd_arch_i386_onebyte_nop_fill): New function.
+	(bfd_i386_nacl_arch): New variable.
+	(bfd_x86_64_nacl_arch, bfd_x64_32_nacl_arch): New variables.
+	(bfd_x64_32_arch_intel_syntax): Link them into the list.
+	* bfd-in2.h: Regenerate.
+
 2013-08-26  Roland McGrath  <mcgrathr@google.com>
 
 	* elf-nacl.c (nacl_modify_segment_map): Fix logic reordering the