/* MSP430-specific support for 32-bit ELF
- Copyright (C) 2002-2015 Free Software Foundation, Inc.
+ Copyright (C) 2002-2017 Free Software Foundation, Inc.
Contributed by Dmitry Diky <diwil@mail.ru>
This file is part of BFD, the Binary File Descriptor library.
FALSE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE) /* pcrel_offset */
+ FALSE) /* pcrel_offset */
};
static reloc_howto_type elf_msp430x_howto_table[] =
TRUE), /* pcrel_offset */
EMPTY_HOWTO (R_MSP430_EHTYPE),
-
+
/* A 10 bit PC relative relocation. */
HOWTO (R_MSP430X_10_PCREL, /* type */
1, /* rightshift */
FALSE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE) /* pcrel_offset */
+ FALSE) /* pcrel_offset */
};
/* Map BFD reloc types to MSP430 ELF reloc types. */
{
if (r_type >= (unsigned int) R_MSP430x_max)
{
+ /* xgettext:c-format */
_bfd_error_handler (_("%B: invalid MSP430X reloc number: %d"), abfd, r_type);
r_type = 0;
}
if (r_type >= (unsigned int) R_MSP430_max)
{
+ /* xgettext:c-format */
_bfd_error_handler (_("%B: invalid MSP430 reloc number: %d"), abfd, r_type);
r_type = 0;
}
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
if (sym_diff_section != NULL)
{
BFD_ASSERT (sym_diff_section == input_section);
-
+
if (uses_msp430x_relocs (input_bfd))
switch (howto->type)
{
default:
return bfd_reloc_dangerous;
}
-
+
sym_diff_section = NULL;
}
addend = (bfd_get_16 (input_bfd, contents) & 0xf) << 16;
addend |= bfd_get_16 (input_bfd, contents + 6);
srel += addend;
-
+
}
else
srel += rel->r_addend;
srel += rel->r_addend;
x = srel;
if (x > 0xffff)
- return bfd_reloc_overflow;
+ return bfd_reloc_overflow;
bfd_put_16 (input_bfd, srel & 0xffff, contents);
break;
srel += rel->r_addend;
bfd_put_16 (input_bfd, (srel >> 16) & 0xffff, contents);
break;
-
+
case R_MSP430X_PCR20_CALL:
/* [0,4]+[16,16] = ---F FFFF*/
contents += rel->r_offset;
x = (x & 0xfff0) | (srel & 0xf);
bfd_put_16 (input_bfd, x, contents);
break;
-
+
case R_MSP430X_PCR16:
contents += rel->r_offset;
srel = (bfd_signed_vma) relocation;
input_section->output_offset);
bfd_put_16 (input_bfd, srel & 0xffff, contents);
break;
-
+
case R_MSP430_PREL31:
contents += rel->r_offset;
srel = (bfd_signed_vma) relocation;
x = (x & 0x80000000) | ((srel >> 31) & 0x7fffffff);
bfd_put_32 (input_bfd, x, contents);
break;
-
+
default:
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
}
return bfd_reloc_overflow;
}
-
+
x = bfd_get_16 (input_bfd, contents);
x = (x & 0xfc00) | (srel & 0x3ff);
bfd_put_16 (input_bfd, x, contents);
bfd_put_8 (input_bfd, srel & 0xff, contents);
break;
-
+
case R_MSP430_SYM_DIFF:
/* Cache the input section and value.
The offset is unreliable, since relaxation may
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
r = msp430_final_link_relocate (howto, input_bfd, input_section,
switch (r)
{
case bfd_reloc_overflow:
- r = info->callbacks->reloc_overflow
+ (*info->callbacks->reloc_overflow)
(info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section,
- rel->r_offset);
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- r = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, rel->r_offset, TRUE);
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
}
if (msg)
- r = info->callbacks->warning
- (info, msg, name, input_bfd, input_section, rel->r_offset);
-
- if (!r)
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
}
}
case E_MSP430_MACH_MSP430X: e_set = bfd_mach_msp430x; break;
}
}
-
+
return bfd_default_set_arch_mach (abfd, bfd_arch_msp430, e_set);
}
&& lsym->st_shndx == sec_shndx)
irel->r_addend -= count;
}
-
+
return TRUE;
}
for (p = abfd->sections; p != NULL; p = p->next)
msp430_elf_relax_adjust_locals (abfd,p,addr,count,sec_shndx,toaddr);
-
+
/* Adjust the local symbols defined in this section. */
symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
isym = (Elf_Internal_Sym *) symtab_hdr->contents;
if (isym->st_shndx != sec_shndx)
continue;
-
+
if (isym->st_value > addr
&& (isym->st_value < toaddr
/* We also adjust a symbol at the end of the section if its name is
/* Update the section information. */
sec->size += 4;
- elf_section_data (sec)->this_hdr.contents = contents;
+ elf_section_data (sec)->this_hdr.contents = contents;
/* Adjust all the relocs. */
irel = elf_section_data (sec)->relocs;
return contents;
}
-
+
static bfd_boolean
msp430_elf_relax_section (bfd * abfd, asection * sec,
struct bfd_link_info * link_info,
/* We don't have to do anything for a relocatable link, if
this section does not have relocs, or if this is not a
code section. */
- if (link_info->relocatable
+ if (bfd_link_relocatable (link_info)
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0 || (sec->flags & SEC_CODE) == 0)
return TRUE;
/* Get the opcode. */
opcode = bfd_get_16 (abfd, contents + irel->r_offset);
-
+
/* Compute the new opcode. We are going to convert:
J<cond> label
into:
1: */
switch (opcode & 0xfc00)
{
- case 0x3800: opcode = 0x3402; break; /* Jl -> Jge +2 */
+ case 0x3800: opcode = 0x3402; break; /* Jl -> Jge +2 */
case 0x3400: opcode = 0x3802; break; /* Jge -> Jl +2 */
case 0x2c00: opcode = 0x2802; break; /* Jhs -> Jlo +2 */
case 0x2800: opcode = 0x2c02; break; /* Jlo -> Jhs +2 */
/* Insert the new branch instruction. */
if (uses_msp430x_relocs (abfd))
{
- /* Insert an absolute branch (aka MOVA) instruction. */
+ /* Insert an absolute branch (aka MOVA) instruction. */
contents = msp430_elf_relax_add_two_words
(abfd, sec, irel->r_offset + 2, 0x0080, 0x0000);
/* Try to turn a 16bit pc-relative branch into a 10bit pc-relative
branch. */
- /* Paranoia? paranoia... */
+ /* Paranoia? paranoia... */
if (! uses_msp430x_relocs (abfd)
&& ELF32_R_TYPE (irel->r_info) == (int) R_MSP430_RL_PCREL)
{
value -= (sec->output_section->vma + sec->output_offset);
value -= irel->r_offset;
value += irel->r_addend;
-
+
/* See if the value will fit in 10 bits, note the high value is
1016 as the target will be two bytes closer if we are
able to relax. */
elf32_msp430_obj_attrs_handle_unknown (bfd *abfd, int tag)
{
_bfd_error_handler
+ /* xgettext:c-format */
(_("Warning: %B: Unknown MSPABI object attribute %d"),
abfd, tag);
return TRUE;
Raise an error if there are conflicting attributes. */
static bfd_boolean
-elf32_msp430_merge_mspabi_attributes (bfd *ibfd, bfd *obfd)
+elf32_msp430_merge_mspabi_attributes (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
obj_attribute *in_attr;
obj_attribute *out_attr;
bfd_boolean result = TRUE;
if (in_attr[OFBA_MSPABI_Tag_ISA].i != out_attr[OFBA_MSPABI_Tag_ISA].i)
{
_bfd_error_handler
+ /* xgettext:c-format */
(_("error: %B uses %s instructions but %B uses %s"),
- ibfd, first_input_bfd,
- isa_type (in_attr[OFBA_MSPABI_Tag_ISA].i),
- isa_type (out_attr[OFBA_MSPABI_Tag_ISA].i));
+ ibfd, isa_type (in_attr[OFBA_MSPABI_Tag_ISA].i),
+ first_input_bfd, isa_type (out_attr[OFBA_MSPABI_Tag_ISA].i));
result = FALSE;
}
out_attr[OFBA_MSPABI_Tag_Code_Model].i)
{
_bfd_error_handler
+ /* xgettext:c-format */
(_("error: %B uses the %s code model whereas %B uses the %s code model"),
- ibfd, first_input_bfd,
- code_model (in_attr[OFBA_MSPABI_Tag_Code_Model].i),
- code_model (out_attr[OFBA_MSPABI_Tag_Code_Model].i));
+ ibfd, code_model (in_attr[OFBA_MSPABI_Tag_Code_Model].i),
+ first_input_bfd, code_model (out_attr[OFBA_MSPABI_Tag_Code_Model].i));
result = FALSE;
}
&& out_attr[OFBA_MSPABI_Tag_ISA].i != 2)
{
_bfd_error_handler
+ /* xgettext:c-format */
(_("error: %B uses the large code model but %B uses MSP430 instructions"),
ibfd, first_input_bfd);
result = FALSE;
out_attr[OFBA_MSPABI_Tag_Data_Model].i)
{
_bfd_error_handler
+ /* xgettext:c-format */
(_("error: %B uses the %s data model whereas %B uses the %s data model"),
- ibfd, first_input_bfd,
- data_model (in_attr[OFBA_MSPABI_Tag_Data_Model].i),
- data_model (out_attr[OFBA_MSPABI_Tag_Data_Model].i));
+ ibfd, data_model (in_attr[OFBA_MSPABI_Tag_Data_Model].i),
+ first_input_bfd, data_model (out_attr[OFBA_MSPABI_Tag_Data_Model].i));
result = FALSE;
}
&& out_attr[OFBA_MSPABI_Tag_Data_Model].i != 1)
{
_bfd_error_handler
+ /* xgettext:c-format */
(_("error: %B uses the small code model but %B uses the %s data model"),
ibfd, first_input_bfd,
data_model (out_attr[OFBA_MSPABI_Tag_Data_Model].i));
&& out_attr[OFBA_MSPABI_Tag_ISA].i != 2)
{
_bfd_error_handler
+ /* xgettext:c-format */
(_("error: %B uses the %s data model but %B only uses MSP430 instructions"),
- ibfd, first_input_bfd,
- data_model (in_attr[OFBA_MSPABI_Tag_Data_Model].i));
+ ibfd, data_model (in_attr[OFBA_MSPABI_Tag_Data_Model].i),
+ first_input_bfd);
result = FALSE;
}
-
+
return result;
}
object file when linking. */
static bfd_boolean
-elf32_msp430_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
+elf32_msp430_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
/* Make sure that the machine number reflects the most
advanced version of the MSP architecture required. */
#define max(a,b) ((a) > (b) ? (a) : (b))
max (bfd_get_mach (ibfd), bfd_get_mach (obfd)));
#undef max
- return elf32_msp430_merge_mspabi_attributes (ibfd, obfd);
+ return elf32_msp430_merge_mspabi_attributes (ibfd, info);
}
static bfd_boolean
}
static unsigned int
-elf32_msp430_eh_frame_address_size (bfd *abfd, asection *sec ATTRIBUTE_UNUSED)
+elf32_msp430_eh_frame_address_size (bfd *abfd,
+ const asection *sec ATTRIBUTE_UNUSED)
{
return uses_large_model (abfd) ? 4 : 2;
}
type relocations for other relocations."
But it also says that:
-
+
"Certain relocations are identified as Rela only. [snip]
Where Rela is specified, an implementation must honor
this requirement."
#undef elf32_bed
#define elf32_bed elf32_msp430_ti_bed
-#undef ELF_OSABI
+#undef ELF_OSABI
#define ELF_OSABI ELFOSABI_NONE
static const struct bfd_elf_special_section msp430_ti_elf_special_sections[] =
{ NULL, 0, 0, 0, 0 }
};
+#undef elf_backend_special_sections
+#define elf_backend_special_sections msp430_ti_elf_special_sections
+
#include "elf32-target.h"