/* Morpho Technologies MT specific support for 32-bit ELF
- Copyright (C) 2001-2017 Free Software Foundation, Inc.
+ Copyright (C) 2001-2020 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
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., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#include "sysdep.h"
#include "bfd.h"
static reloc_howto_type * mt_reloc_type_lookup
(bfd *, bfd_reloc_code_real_type);
-static void mt_info_to_howto_rela
+static bfd_boolean mt_info_to_howto_rela
(bfd *, arelent *, Elf_Internal_Rela *);
static bfd_reloc_status_type mt_elf_relocate_hi16
static reloc_howto_type mt_elf_howto_table [] =
{
/* This reloc does nothing. */
- HOWTO (R_MT_NONE, /* type */
- 0, /* rightshift */
- 3, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MT_NONE", /* name */
- FALSE, /* partial_inplace */
- 0 , /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOWTO (R_MT_NONE, /* type */
+ 0, /* rightshift */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MT_NONE", /* name */
+ FALSE, /* partial_inplace */
+ 0 , /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* A 16 bit absolute relocation. */
- HOWTO (R_MT_16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MT_16", /* name */
- FALSE, /* partial_inplace */
- 0 , /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOWTO (R_MT_16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MT_16", /* name */
+ FALSE, /* partial_inplace */
+ 0 , /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* A 32 bit absolute relocation. */
- HOWTO (R_MT_32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MT_32", /* name */
- FALSE, /* partial_inplace */
- 0 , /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOWTO (R_MT_32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MT_32", /* name */
+ FALSE, /* partial_inplace */
+ 0 , /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* A 32 bit pc-relative relocation. */
- HOWTO (R_MT_32_PCREL, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MT_32_PCREL", /* name */
- FALSE, /* partial_inplace */
- 0 , /* src_mask */
- 0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOWTO (R_MT_32_PCREL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MT_32_PCREL", /* name */
+ FALSE, /* partial_inplace */
+ 0 , /* src_mask */
+ 0xffffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
/* A 16 bit pc-relative relocation. */
- HOWTO (R_MT_PC16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MT_PC16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOWTO (R_MT_PC16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MT_PC16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
/* high 16 bits of symbol value. */
- HOWTO (R_MT_HI16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MT_HI16", /* name */
- FALSE, /* partial_inplace */
- 0xffff0000, /* src_mask */
- 0xffff0000, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOWTO (R_MT_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MT_HI16", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff0000, /* src_mask */
+ 0xffff0000, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* Low 16 bits of symbol value. */
- HOWTO (R_MT_LO16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MT_LO16", /* name */
- FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOWTO (R_MT_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MT_LO16", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
/* Map BFD reloc types to MT ELF reloc types. */
static reloc_howto_type *
mt_reloc_type_lookup
- (bfd * abfd ATTRIBUTE_UNUSED,
+ (bfd * abfd ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type code)
{
/* Note that the mt_elf_howto_table is indxed by the R_
bfd_reloc_status_type
mt_elf_relocate_hi16
- (bfd * input_bfd,
+ (bfd * input_bfd,
Elf_Internal_Rela * relhi,
- bfd_byte * contents,
- bfd_vma value)
+ bfd_byte * contents,
+ bfd_vma value)
{
bfd_vma insn;
/* Set the howto pointer for a MT ELF reloc. */
-static void
-mt_info_to_howto_rela
- (bfd * abfd ATTRIBUTE_UNUSED,
- arelent * cache_ptr,
- Elf_Internal_Rela * dst)
+static bfd_boolean
+mt_info_to_howto_rela (bfd * abfd,
+ arelent * cache_ptr,
+ Elf_Internal_Rela * dst)
{
unsigned int r_type;
if (r_type >= (unsigned int) R_MT_max)
{
/* xgettext:c-format */
- _bfd_error_handler (_("%B: invalid MT reloc number: %d"), abfd, r_type);
- r_type = 0;
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
}
cache_ptr->howto = & mt_elf_howto_table [r_type];
+ return TRUE;
}
/* Perform a single relocation. By default we use the standard BFD
static bfd_reloc_status_type
mt_final_link_relocate
- (reloc_howto_type * howto,
- bfd * input_bfd,
- asection * input_section,
- bfd_byte * contents,
+ (reloc_howto_type * howto,
+ bfd * input_bfd,
+ asection * input_section,
+ bfd_byte * contents,
Elf_Internal_Rela * rel,
- bfd_vma relocation)
+ bfd_vma relocation)
{
return _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
static bfd_boolean
mt_elf_relocate_section
- (bfd * output_bfd ATTRIBUTE_UNUSED,
+ (bfd * output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info * info,
- bfd * input_bfd,
- asection * input_section,
- bfd_byte * contents,
+ bfd * input_bfd,
+ asection * input_section,
+ bfd_byte * contents,
Elf_Internal_Rela * relocs,
- Elf_Internal_Sym * local_syms,
- asection ** local_sections)
+ Elf_Internal_Sym * local_syms,
+ asection ** local_sections)
{
- Elf_Internal_Shdr * symtab_hdr;
+ Elf_Internal_Shdr * symtab_hdr;
struct elf_link_hash_entry ** sym_hashes;
- Elf_Internal_Rela * rel;
- Elf_Internal_Rela * relend;
+ Elf_Internal_Rela * rel;
+ Elf_Internal_Rela * relend;
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
for (rel = relocs; rel < relend; rel ++)
{
- reloc_howto_type * howto;
- unsigned long r_symndx;
- Elf_Internal_Sym * sym;
- asection * sec;
+ reloc_howto_type * howto;
+ unsigned long r_symndx;
+ Elf_Internal_Sym * sym;
+ asection * sec;
struct elf_link_hash_entry * h;
- bfd_vma relocation;
- bfd_reloc_status_type r;
- const char * name = NULL;
- int r_type;
+ bfd_vma relocation;
+ bfd_reloc_status_type r;
+ const char * name = NULL;
+ int r_type;
r_type = ELF32_R_TYPE (rel->r_info);
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+ name = name == NULL ? bfd_section_name (sec) : name;
}
else
{
/* Finally, the sole MT-specific part. */
switch (r_type)
- {
- case R_MT_HI16:
- r = mt_elf_relocate_hi16 (input_bfd, rel, contents, relocation);
- break;
+ {
+ case R_MT_HI16:
+ r = mt_elf_relocate_hi16 (input_bfd, rel, contents, relocation);
+ break;
default:
- r = mt_final_link_relocate (howto, input_bfd, input_section,
- contents, rel, relocation);
- break;
- }
+ r = mt_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel, relocation);
+ break;
+ }
if (r != bfd_reloc_ok)
static bfd_boolean
mt_elf_check_relocs
- (bfd * abfd,
+ (bfd * abfd,
struct bfd_link_info * info,
- asection * sec,
+ asection * sec,
const Elf_Internal_Rela * relocs)
{
- Elf_Internal_Shdr * symtab_hdr;
+ Elf_Internal_Shdr * symtab_hdr;
struct elf_link_hash_entry ** sym_hashes;
- const Elf_Internal_Rela * rel;
- const Elf_Internal_Rela * rel_end;
+ const Elf_Internal_Rela * rel;
+ const Elf_Internal_Rela * rel_end;
if (bfd_link_relocatable (info))
return TRUE;
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];
old_flags = elf_elfheader (obfd)->e_flags;
#ifdef DEBUG
- _bfd_error_handler ("%B: old_flags = 0x%.8x, new_flags = 0x%.8x, init = %s",
+ _bfd_error_handler ("%pB: old_flags = 0x%.8x, new_flags = 0x%.8x, init = %s",
ibfd, old_flags, new_flags, elf_flags_init (obfd) ? "yes" : "no");
#endif
\f
#define TARGET_BIG_SYM mt_elf32_vec
-#define TARGET_BIG_NAME "elf32-mt"
+#define TARGET_BIG_NAME "elf32-mt"
#define ELF_ARCH bfd_arch_mt
#define ELF_MACHINE_CODE EM_MT
-#define ELF_MAXPAGESIZE 1 /* No pages on the MT. */
+#define ELF_MAXPAGESIZE 1 /* No pages on the MT. */
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto mt_info_to_howto_rela
#define elf_backend_relocate_section mt_elf_relocate_section
-#define bfd_elf32_bfd_reloc_type_lookup mt_reloc_type_lookup
-#define bfd_elf32_bfd_reloc_name_lookup mt_reloc_name_lookup
+#define bfd_elf32_bfd_reloc_type_lookup mt_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup mt_reloc_name_lookup
-#define elf_backend_check_relocs mt_elf_check_relocs
-#define elf_backend_object_p mt_elf_object_p
+#define elf_backend_check_relocs mt_elf_check_relocs
+#define elf_backend_object_p mt_elf_object_p
#define elf_backend_rela_normal 1
#define elf_backend_can_gc_sections 1
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