/* BFD support for the ns32k architecture.
- Copyright 1990, 1991, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2007, 2012 Free Software Foundation, Inc.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
Almost totally rewritten by Ian Dall from initial work
by Andrew Cagney.
#include "ns32k.h"
#define N(machine, printable, d, next) \
-{ 32, 32, 8, bfd_arch_ns32k, machine, "ns32k",printable,3,d, \
- bfd_default_compatible,bfd_default_scan,bfd_arch_default_fill,next, }
+ { 32, 32, 8, bfd_arch_ns32k, machine, "ns32k",printable,3,d, \
+ bfd_default_compatible,bfd_default_scan,bfd_arch_default_fill,next, 0 }
static const bfd_arch_info_type arch_info_struct[] =
{
- N(32532,"ns32k:32532",TRUE, 0), /* The word ns32k will match this too. */
+ N (32532, "ns32k:32532", TRUE, 0), /* The word ns32k will match this too. */
};
const bfd_arch_info_type bfd_ns32k_arch =
- N(32032,"ns32k:32032",FALSE, &arch_info_struct[0]);
+ N (32032, "ns32k:32032", FALSE, &arch_info_struct[0]);
bfd_vma
_bfd_ns32k_get_displacement (bfd_byte *buffer, int size)
case 4:
value = (value << 8) | (*buffer++ & 0xff);
value = (value << 8) | (*buffer++ & 0xff);
+ /* Fall through. */
case 2:
value = (value << 8) | (*buffer++ & 0xff);
+ /* Fall through. */
case 1:
value = (value << 8) | (*buffer++ & 0xff);
break;
case 4:
*buffer-- = (value & 0xff); value >>= 8;
*buffer-- = (value & 0xff); value >>= 8;
+ /* Fall through. */
case 2:
*buffer-- = (value & 0xff); value >>= 8;
+ /* Fall through. */
case 1:
*buffer-- = (value & 0xff); value >>= 8;
}
the addend to be the negative of the position of the location
within the section; for example, i386-aout does this. For
i386-aout, pcrel_offset is FALSE. Some other targets do not
- include the position of the location; for example, m88kbcs,
- or ELF. For those targets, pcrel_offset is TRUE.
+ include the position of the location; for example, ELF.
+ For those targets, pcrel_offset is TRUE.
If we are producing relocatable output, then we must ensure
that this reloc will be correctly computed when the final
R result
Do this:
- i i i i i o o o o o from bfd_get<size>
- and S S S S S to get the size offset we want
- + r r r r r r r r r r to get the final value to place
- and D D D D D to chop to right size
+ i i i i i o o o o o from bfd_get<size>
+ and S S S S S to get the size offset we want
+ + r r r r r r r r r r to get the final value to place
+ and D D D D D to chop to right size
-----------------------
A A A A A
And this:
- ... i i i i i o o o o o from bfd_get<size>
- and N N N N N get instruction
+ ... i i i i i o o o o o from bfd_get<size>
+ and N N N N N get instruction
-----------------------
... B B B B B
And then:
B B B B B
- or A A A A A
+ or A A A A A
-----------------------
- R R R R R R R R R R put into bfd_put<size>. */
+ R R R R R R R R R R put into bfd_put<size>. */
+
+ if (howto->negate)
+ relocation = -relocation;
#define DOIT(x) \
x = ( (x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask))
put_data ((bfd_vma) x, location, 4);
}
break;
- case -2:
- {
- bfd_vma x = get_data (location, 4);
- relocation = -relocation;
- DOIT(x);
- put_data ((bfd_vma) x, location, 4);
- }
- break;
case 3:
/* Do nothing. */
switch (size)
{
default:
- case 0:
abort ();
+ case 0:
+ return bfd_reloc_ok;
case 1:
case 2:
case 4:
/* If the relocation is PC relative, we want to set RELOCATION to
the distance between the symbol (currently in RELOCATION) and the
- location we are relocating. Some targets (e.g., i386-aout)
- arrange for the contents of the section to be the negative of the
- offset of the location within the section; for such targets
- pcrel_offset is FALSE. Other targets (e.g., m88kbcs or ELF)
- simply leave the contents of the section as zero; for such
- targets pcrel_offset is TRUE. If pcrel_offset is FALSE we do not
+ location we are relocating. If pcrel_offset is FALSE we do not
need to subtract out the offset of the location within the
section (which is just ADDRESS). */
if (howto->pc_relative)