/* BFD support for the ns32k architecture.
- Copyright (C) 1990-2016 Free Software Foundation, Inc.
+ Copyright (C) 1990-2021 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)
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. */
{
int size;
bfd_vma x;
- bfd_boolean overflow;
+ bool overflow;
- /* If the size is negative, negate RELOCATION. This isn't very
- general. */
- if (howto->size < 0)
+ if (howto->negate)
relocation = -relocation;
/* Get the value we are going to relocate. */
which we don't check for. We must either check at every single
operation, which would be tedious, or we must do the computations
in a type larger than bfd_vma, which would be inefficient. */
- overflow = FALSE;
+ overflow = false;
if (howto->complain_on_overflow != complain_overflow_dont)
{
bfd_vma check;
if (signed_check > reloc_signed_max
|| signed_check < reloc_signed_min)
- overflow = TRUE;
+ overflow = true;
}
break;
case complain_overflow_unsigned:
(((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
if (check > reloc_unsigned_max)
- overflow = TRUE;
+ overflow = true;
}
break;
case complain_overflow_bitfield:
if ((check & ~reloc_bits) != 0
&& (((bfd_vma) signed_check & ~reloc_bits)
!= (-(bfd_vma) 1 & ~reloc_bits)))
- overflow = TRUE;
+ overflow = true;
}
break;
default:
/* 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)
projects / deliverable / binutils-gdb.git / blobdiff