summaryrefslogtreecommitdiffstats
path: root/binutils-2.24/bfd/cpu-i386.c
diff options
context:
space:
mode:
Diffstat (limited to 'binutils-2.24/bfd/cpu-i386.c')
-rw-r--r--binutils-2.24/bfd/cpu-i386.c304
1 files changed, 0 insertions, 304 deletions
diff --git a/binutils-2.24/bfd/cpu-i386.c b/binutils-2.24/bfd/cpu-i386.c
deleted file mode 100644
index 2a6bb97b..00000000
--- a/binutils-2.24/bfd/cpu-i386.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/* BFD support for the Intel 386 architecture.
- Copyright 1992, 1994, 1995, 1996, 1998, 2000, 2001, 2002, 2004, 2005,
- 2007, 2009, 2010, 2011, 2013
- Free Software Foundation, Inc.
-
- This file is part of BFD, the Binary File Descriptor library.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
-
-#include "sysdep.h"
-#include "bfd.h"
-#include "libbfd.h"
-#include "libiberty.h"
-
-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);
-}
-
-/* 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 */
- 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,
- &bfd_i386_nacl_arch
-};
-
-static const bfd_arch_info_type bfd_x86_64_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_x86_64_intel_syntax,
- "i386:intel",
- "i386:x86-64:intel",
- 3,
- FALSE,
- bfd_i386_compatible,
- bfd_default_scan,
- bfd_arch_i386_long_nop_fill,
- &bfd_x64_32_arch_intel_syntax,
-};
-
-static const bfd_arch_info_type bfd_i386_arch_intel_syntax =
-{
- 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_intel_syntax,
- "i386:intel",
- "i386:intel",
- 3,
- TRUE,
- bfd_i386_compatible,
- bfd_default_scan,
- bfd_arch_i386_short_nop_fill,
- &bfd_x86_64_arch_intel_syntax
-};
-
-static const bfd_arch_info_type i8086_arch =
-{
- 32, /* 32 bits in a word */
- 32, /* 32 bits in an address (well, not really) */
- 8, /* 8 bits in a byte */
- bfd_arch_i386,
- bfd_mach_i386_i8086,
- "i8086",
- "i8086",
- 3,
- FALSE,
- bfd_i386_compatible,
- bfd_default_scan,
- bfd_arch_i386_short_nop_fill,
- &bfd_i386_arch_intel_syntax
-};
-
-static const bfd_arch_info_type bfd_x64_32_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,
- "i386",
- "i386:x64-32",
- 3,
- FALSE,
- bfd_i386_compatible,
- bfd_default_scan,
- bfd_arch_i386_long_nop_fill,
- &i8086_arch
-};
-
-static const bfd_arch_info_type bfd_x86_64_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,
- "i386",
- "i386:x86-64",
- 3,
- FALSE,
- bfd_i386_compatible,
- bfd_default_scan,
- bfd_arch_i386_long_nop_fill,
- &bfd_x64_32_arch
-};
-
-const bfd_arch_info_type bfd_i386_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,
- "i386",
- "i386",
- 3,
- TRUE,
- bfd_i386_compatible,
- bfd_default_scan,
- bfd_arch_i386_short_nop_fill,
- &bfd_x86_64_arch
-};