/* D10V-specific support for 32-bit ELF
- Copyright 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007 Free Software Foundation, Inc.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
Contributed by Martin Hunt (hunt@cygnus.com).
This file is part of BFD, the Binary File Descriptor library.
/* This reloc does nothing. */
HOWTO (R_D10V_NONE, /* Type. */
0, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 32, /* Bitsize. */
+ 3, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
FALSE, /* PC_relative. */
0, /* Bitpos. */
complain_overflow_dont,/* Complain_on_overflow. */
/* An PC Relative 10-bit relocation, shifted by 2, right container. */
HOWTO (R_D10V_10_PCREL_R, /* Type. */
- 2, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 8, /* Bitsize. */
- TRUE, /* PC_relative. */
- 0, /* Bitpos. */
+ 2, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 8, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
complain_overflow_signed, /* Complain_on_overflow. */
bfd_elf_generic_reloc, /* Special_function. */
"R_D10V_10_PCREL_R", /* Name. */
- FALSE, /* Partial_inplace. */
+ FALSE, /* Partial_inplace. */
0xff, /* Src_mask. */
- 0xff, /* Dst_mask. */
+ 0xff, /* Dst_mask. */
TRUE), /* PCrel_offset. */
/* An PC Relative 10-bit relocation, shifted by 2, left container. */
HOWTO (R_D10V_10_PCREL_L, /* Type. */
- 2, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 8, /* Bitsize. */
- TRUE, /* PC_relative. */
- 15, /* Bitpos. */
+ 2, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 8, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 15, /* Bitpos. */
complain_overflow_signed, /* Complain_on_overflow. */
bfd_elf_generic_reloc, /* Special_function. */
"R_D10V_10_PCREL_L", /* Name. */
- FALSE, /* Partial_inplace. */
+ FALSE, /* Partial_inplace. */
0x07f8000, /* Src_mask. */
- 0x07f8000, /* Dst_mask. */
+ 0x07f8000, /* Dst_mask. */
TRUE), /* PCrel_offset. */
/* A 16 bit absolute relocation. */
/* GNU extension to record C++ vtable hierarchy. */
HOWTO (R_D10V_GNU_VTINHERIT, /* Type. */
- 0, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 0, /* Bitsize. */
- FALSE, /* PC_relative. */
- 0, /* Bitpos. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
complain_overflow_dont,/* Complain_on_overflow. */
- NULL, /* Special_function. */
+ NULL, /* Special_function. */
"R_D10V_GNU_VTINHERIT",/* Name. */
- FALSE, /* Partial_inplace. */
- 0, /* Src_mask. */
- 0, /* Dst_mask. */
- FALSE), /* PCrel_offset. */
+ FALSE, /* Partial_inplace. */
+ 0, /* Src_mask. */
+ 0, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
/* GNU extension to record C++ vtable member usage. */
- HOWTO (R_D10V_GNU_VTENTRY, /* Type. */
- 0, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 0, /* Bitsize. */
- FALSE, /* PC_relative. */
- 0, /* Bitpos. */
+ HOWTO (R_D10V_GNU_VTENTRY, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
complain_overflow_dont,/* Complain_on_overflow. */
_bfd_elf_rel_vtable_reloc_fn, /* Special_function. */
- "R_D10V_GNU_VTENTRY", /* Name. */
- FALSE, /* Partial_inplace. */
- 0, /* Src_mask. */
- 0, /* Dst_mask. */
- FALSE), /* PCrel_offset. */
+ "R_D10V_GNU_VTENTRY", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0, /* Src_mask. */
+ 0, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
};
/* Map BFD reloc types to D10V ELF reloc types. */
/* Set the howto pointer for an D10V ELF reloc. */
-static void
-d10v_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
+static bfd_boolean
+d10v_info_to_howto_rel (bfd *abfd,
arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) R_D10V_max);
+ if (r_type >= (unsigned int) R_D10V_max)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
cache_ptr->howto = &elf_d10v_howto_table[r_type];
+ return TRUE;
}
static asection *
const Elf_Internal_Rela *relocs)
{
Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ struct elf_link_hash_entry **sym_hashes;
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;
sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
r_symndx = ELF32_R_SYM (rel->r_info);
if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
+ h = NULL;
else
{
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
}
switch (ELF32_R_TYPE (rel->r_info))
- {
- /* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_D10V_GNU_VTINHERIT:
- if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return FALSE;
- break;
-
- /* This relocation describes which C++ vtable entries are actually
- used. Record for later use during GC. */
- case R_D10V_GNU_VTENTRY:
- BFD_ASSERT (h != NULL);
- if (h != NULL
- && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
- return FALSE;
- break;
- }
+ {
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_D10V_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ /* This relocation describes which C++ vtable entries are actually
+ used. Record for later use during GC. */
+ case R_D10V_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+ }
}
return TRUE;
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type == R_D10V_GNU_VTENTRY
- || r_type == R_D10V_GNU_VTINHERIT)
- continue;
+ || r_type == R_D10V_GNU_VTINHERIT)
+ continue;
howto = elf_d10v_howto_table + r_type;
h = NULL;
+ sym->st_value);
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION
&& ((sec->flags & SEC_MERGE) != 0
- || (info->relocatable
+ || (bfd_link_relocatable (info)
&& sec->output_offset != 0)))
{
bfd_vma addend;
addend = extract_rel_addend (input_bfd, where, howto);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
addend += sec->output_offset;
else
{
}
else
{
- bfd_boolean unresolved_reloc, warned;
+ bfd_boolean unresolved_reloc, warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
+ unresolved_reloc, warned, ignored);
}
- if (sec != NULL && elf_discarded_section (sec))
- {
- /* For relocs against symbols from removed linkonce sections,
- or sections discarded by a linker script, we just want the
- section contents zeroed. Avoid any special processing. */
- _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
- rel->r_info = 0;
- rel->r_addend = 0;
- continue;
- }
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
if (h != NULL)
name = (bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name));
if (name == NULL || *name == '\0')
- name = bfd_section_name (input_bfd, sec);
+ name = bfd_section_name (sec);
}
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, (bfd_vma) 0);
+ contents, rel->r_offset,
+ relocation, (bfd_vma) 0);
if (r != bfd_reloc_ok)
{
switch (r)
{
case bfd_reloc_overflow:
- if (!((*info->callbacks->reloc_overflow)
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- if (!((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset, TRUE)))
- return FALSE;
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
/* fall through */
common_error:
- if (!((*info->callbacks->warning)
- (info, msg, name, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
break;
}
}
#define ELF_MACHINE_ALT1 EM_CYGNUS_D10V
#define ELF_MAXPAGESIZE 0x1000
-#define TARGET_BIG_SYM bfd_elf32_d10v_vec
+#define TARGET_BIG_SYM d10v_elf32_vec
#define TARGET_BIG_NAME "elf32-d10v"
-#define elf_info_to_howto 0
-#define elf_info_to_howto_rel d10v_info_to_howto_rel
-#define elf_backend_object_p 0
-#define elf_backend_final_write_processing 0
-#define elf_backend_gc_mark_hook elf32_d10v_gc_mark_hook
-#define elf_backend_check_relocs elf32_d10v_check_relocs
-#define elf_backend_relocate_section elf32_d10v_relocate_section
-#define elf_backend_can_gc_sections 1
+#define elf_info_to_howto NULL
+#define elf_info_to_howto_rel d10v_info_to_howto_rel
+#define elf_backend_object_p 0
+#define elf_backend_gc_mark_hook elf32_d10v_gc_mark_hook
+#define elf_backend_check_relocs elf32_d10v_check_relocs
+#define elf_backend_relocate_section elf32_d10v_relocate_section
+#define elf_backend_can_gc_sections 1
#include "elf32-target.h"
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