bfd/

	* 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.

ld/
	* emulparams/elf_i386_nacl.sh (ARCH): Set to i386:nacl.
	* emulparams/elf_x86_64_nacl.sh (ARCH): Set to i386:x86-64:nacl.
	* emulparams/elf32_x86_64_nacl.sh (ARCH): Set to i386:x64-32:nacl.

ld/testsuite/
	* ld-x86-64/x86-64.exp (Mixed x86_64 and i386 input test 1):
	Loosen string match to admit i386:x86-64*.
	(Mixed x86_64 and i386 input test 2): Likewise.
	* ld-x86-64/ilp32-2.d: Likewise.
	* ld-x86-64/ilp32-3.d: Likewise.
	* ld-x86-64/lp64-2.d: Likewise.
	* ld-x86-64/lp64-3.d: Likewise.
	* ld-x86-64/ia32-2.d: Likewise, and i386.* too.
	* ld-x86-64/ia32-3.d: Likewise.

4 files changed, 86 insertions, 3 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ebae60d7c84..815503bc0dd 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,15 @@
 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
 	elf_segment_map list.  If an executable segment is page-aligned
 	but does not end with a full page, then append a fake section into
diff --git a/bfd/archures.c b/bfd/archures.c
index d00b0e19d44..53962bfa38c 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -189,9 +189,13 @@ DESCRIPTION
 .#define bfd_mach_i386_i386		(1 << 2)
 .#define bfd_mach_x86_64		(1 << 3)
 .#define bfd_mach_x64_32		(1 << 4)
+.#define bfd_mach_i386_nacl		(1 << 5)
 .#define bfd_mach_i386_i386_intel_syntax (bfd_mach_i386_i386 | bfd_mach_i386_intel_syntax)
 .#define bfd_mach_x86_64_intel_syntax	(bfd_mach_x86_64 | bfd_mach_i386_intel_syntax)
 .#define bfd_mach_x64_32_intel_syntax	(bfd_mach_x64_32 | bfd_mach_i386_intel_syntax)
+.#define bfd_mach_i386_i386_nacl	(bfd_mach_i386_i386 | bfd_mach_i386_nacl)
+.#define bfd_mach_x86_64_nacl		(bfd_mach_x86_64 | bfd_mach_i386_nacl)
+.#define bfd_mach_x64_32_nacl		(bfd_mach_x64_32 | bfd_mach_i386_nacl)
 .  bfd_arch_l1om,   {* Intel L1OM *}
 .#define bfd_mach_l1om			(1 << 5)
 .#define bfd_mach_l1om_intel_syntax	(bfd_mach_l1om | bfd_mach_i386_intel_syntax)
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 0cf9a2966cf..41f7a682c3d 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -7,7 +7,7 @@
 
 /* Main header file for the bfd library -- portable access to object files.
 
-   Copyright 1990-2013 2013 Free Software Foundation, Inc.
+   Copyright 1990-2013 Free Software Foundation, Inc.
 
    Contributed by Cygnus Support.
 
@@ -1944,9 +1944,13 @@ enum bfd_architecture
 #define bfd_mach_i386_i386             (1 << 2)
 #define bfd_mach_x86_64                (1 << 3)
 #define bfd_mach_x64_32                (1 << 4)
+#define bfd_mach_i386_nacl             (1 << 5)
 #define bfd_mach_i386_i386_intel_syntax (bfd_mach_i386_i386 | bfd_mach_i386_intel_syntax)
 #define bfd_mach_x86_64_intel_syntax   (bfd_mach_x86_64 | bfd_mach_i386_intel_syntax)
 #define bfd_mach_x64_32_intel_syntax   (bfd_mach_x64_32 | bfd_mach_i386_intel_syntax)
+#define bfd_mach_i386_i386_nacl        (bfd_mach_i386_i386 | bfd_mach_i386_nacl)
+#define bfd_mach_x86_64_nacl           (bfd_mach_x86_64 | bfd_mach_i386_nacl)
+#define bfd_mach_x64_32_nacl           (bfd_mach_x64_32 | bfd_mach_i386_nacl)
   bfd_arch_l1om,   /* Intel L1OM */
 #define bfd_mach_l1om                  (1 << 5)
 #define bfd_mach_l1om_intel_syntax     (bfd_mach_l1om | bfd_mach_i386_intel_syntax)
diff --git a/bfd/cpu-i386.c b/bfd/cpu-i386.c
index 6174612ebb8..2a6bb97b944 100644
--- a/bfd/cpu-i386.c
+++ b/bfd/cpu-i386.c
@@ -1,6 +1,6 @@
 /* BFD support for the Intel 386 architecture.
    Copyright 1992, 1994, 1995, 1996, 1998, 2000, 2001, 2002, 2004, 2005,
-   2007, 2009, 2010, 2011
+   2007, 2009, 2010, 2011, 2013
    Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -119,6 +119,71 @@ bfd_arch_i386_long_nop_fill (bfd_size_type count,
   return bfd_arch_i386_fill (count, code, TRUE);
 }
 
+/* Fill the buffer with zero, or one-byte nop instructions if CODE is TRUE.  */
+
+static void *
+bfd_arch_i386_onebyte_nop_fill (bfd_size_type count,
+				bfd_boolean is_bigendian ATTRIBUTE_UNUSED,
+				bfd_boolean code)
+{
+  void *fill = bfd_malloc (count);
+  if (fill != NULL)
+    memset (fill, code ? 0x90 : 0, count);
+  return fill;
+}
+
+
+static const bfd_arch_info_type bfd_x64_32_nacl_arch =
+{
+  64, /* 64 bits in a word */
+  64, /* 64 bits in an address */
+  8,  /* 8 bits in a byte */
+  bfd_arch_i386,
+  bfd_mach_x64_32_nacl,
+  "i386",
+  "i386:x64-32:nacl",
+  3,
+  FALSE,
+  bfd_i386_compatible,
+  bfd_default_scan,
+  bfd_arch_i386_onebyte_nop_fill,
+  NULL
+};
+
+static const bfd_arch_info_type bfd_x86_64_nacl_arch =
+{
+  64, /* 64 bits in a word */
+  64, /* 64 bits in an address */
+  8,  /* 8 bits in a byte */
+  bfd_arch_i386,
+  bfd_mach_x86_64_nacl,
+  "i386",
+  "i386:x86-64:nacl",
+  3,
+  FALSE,
+  bfd_i386_compatible,
+  bfd_default_scan,
+  bfd_arch_i386_onebyte_nop_fill,
+  &bfd_x64_32_nacl_arch
+};
+
+const bfd_arch_info_type bfd_i386_nacl_arch =
+{
+  32,	/* 32 bits in a word */
+  32,	/* 32 bits in an address */
+  8,	/* 8 bits in a byte */
+  bfd_arch_i386,
+  bfd_mach_i386_i386_nacl,
+  "i386",
+  "i386:nacl",
+  3,
+  TRUE,
+  bfd_i386_compatible,
+  bfd_default_scan,
+  bfd_arch_i386_onebyte_nop_fill,
+  &bfd_x86_64_nacl_arch
+};
+
 static const bfd_arch_info_type bfd_x64_32_arch_intel_syntax =
 {
   64, /* 64 bits in a word */
@@ -133,7 +198,7 @@ static const bfd_arch_info_type bfd_x64_32_arch_intel_syntax =
   bfd_i386_compatible,
   bfd_default_scan,
   bfd_arch_i386_long_nop_fill,
-  0
+  &bfd_i386_nacl_arch
 };
 
 static const bfd_arch_info_type bfd_x86_64_arch_intel_syntax =