+extern void * bfd_arch_i386_short_nop_fill (bfd_size_type, bfd_boolean,
+ bfd_boolean);
+
+static const bfd_arch_info_type *
+bfd_i386_compatible (const bfd_arch_info_type *a,
+ const bfd_arch_info_type *b)
+{
+ const bfd_arch_info_type *compat = bfd_default_compatible (a, b);
+
+ /* Don't allow mixing x64_32 with x86_64. */
+ if (compat
+ && (a->mach & bfd_mach_x64_32) != (b->mach & bfd_mach_x64_32))
+ compat = NULL;
+
+ return compat;
+}
+
+/* Fill the buffer with zero or nop instruction if CODE is TRUE. Use
+ multi byte nop instructions if LONG_NOP is TRUE. */
+
+static void *
+bfd_arch_i386_fill (bfd_size_type count, bfd_boolean code,
+ bfd_boolean long_nop)
+{
+ /* nop */
+ static const char nop_1[] = { 0x90 };
+ /* xchg %ax,%ax */
+ static const char nop_2[] = { 0x66, 0x90 };
+ /* nopl (%[re]ax) */
+ static const char nop_3[] = { 0x0f, 0x1f, 0x00 };
+ /* nopl 0(%[re]ax) */
+ static const char nop_4[] = { 0x0f, 0x1f, 0x40, 0x00 };
+ /* nopl 0(%[re]ax,%[re]ax,1) */
+ static const char nop_5[] = { 0x0f, 0x1f, 0x44, 0x00, 0x00 };
+ /* nopw 0(%[re]ax,%[re]ax,1) */
+ static const char nop_6[] = { 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00 };
+ /* nopl 0L(%[re]ax) */
+ static const char nop_7[] = { 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00 };
+ /* nopl 0L(%[re]ax,%[re]ax,1) */
+ static const char nop_8[] =
+ { 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00};
+ /* nopw 0L(%[re]ax,%[re]ax,1) */
+ static const char nop_9[] =
+ { 0x66, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ /* nopw %cs:0L(%[re]ax,%[re]ax,1) */
+ static const char nop_10[] =
+ { 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ static const char *const nops[] =
+ { nop_1, nop_2, nop_3, nop_4, nop_5,
+ nop_6, nop_7, nop_8, nop_9, nop_10 };
+ bfd_size_type nop_size = long_nop ? ARRAY_SIZE (nops) : 2;
+
+ void *fill = bfd_malloc (count);
+ if (fill == NULL)
+ return fill;
+
+ if (code)
+ {
+ bfd_byte *p = fill;
+ while (count >= nop_size)
+ {
+ memcpy (p, nops[nop_size - 1], nop_size);
+ p += nop_size;
+ count -= nop_size;
+ }
+ if (count != 0)
+ memcpy (p, nops[count - 1], count);
+ }
+ else
+ memset (fill, 0, count);
+
+ return fill;
+}
+
+/* Fill the buffer with zero or short nop instruction if CODE is TRUE. */
+
+void *
+bfd_arch_i386_short_nop_fill (bfd_size_type count,
+ bfd_boolean is_bigendian ATTRIBUTE_UNUSED,
+ bfd_boolean code)
+{
+ return bfd_arch_i386_fill (count, code, FALSE);
+}
+
+/* Fill the buffer with zero or long nop instruction if CODE is TRUE. */
+
+static void *
+bfd_arch_i386_long_nop_fill (bfd_size_type count,
+ bfd_boolean is_bigendian ATTRIBUTE_UNUSED,
+ bfd_boolean code)
+{
+ return bfd_arch_i386_fill (count, code, TRUE);
+}
+
+static const bfd_arch_info_type bfd_x64_32_arch_intel_syntax =
+{
+ 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_intel_syntax,
+ "i386:intel",
+ "i386:x64-32:intel",
+ 3,
+ FALSE,
+ bfd_i386_compatible,
+ bfd_default_scan,
+ bfd_arch_i386_long_nop_fill,
+ 0
+};
+
+static const bfd_arch_info_type bfd_x86_64_arch_intel_syntax =