/* Morpho Technologies MT specific support for 32-bit ELF
- Copyright (C) 2001-2014 Free Software Foundation, Inc.
+ Copyright (C) 2001-2021 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 bool mt_info_to_howto_rela
(bfd *, arelent *, Elf_Internal_Rela *);
static bfd_reloc_status_type mt_elf_relocate_hi16
(reloc_howto_type *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, bfd_vma);
-static bfd_boolean mt_elf_relocate_section
+static int mt_elf_relocate_section
(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
static reloc_howto_type mt_elf_howto_table [] =
{
/* This reloc does nothing. */
- HOWTO (R_MT_NONE, /* 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_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 bool
+mt_info_to_howto_rela (bfd *abfd,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
{
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
+ if (r_type >= (unsigned int) R_MT_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 = & 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,
section, which means that the addend must be adjusted
accordingly. */
-static bfd_boolean
+static int
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
{
- bfd_boolean unresolved_reloc;
- bfd_boolean warned, ignored;
+ bool unresolved_reloc;
+ bool warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
/* 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)
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);
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);
}
}
- return TRUE;
+ return true;
}
/* Look through the relocs for a section during the first phase.
Since we don't do .gots or .plts, we just need to consider the
virtual table relocs for gc. */
-static bfd_boolean
-mt_elf_check_relocs
- (bfd * abfd,
- struct bfd_link_info * info,
- asection * sec,
- const Elf_Internal_Rela * relocs)
+static bool
+mt_elf_check_relocs (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
{
- Elf_Internal_Shdr * symtab_hdr;
- struct elf_link_hash_entry ** sym_hashes;
- const Elf_Internal_Rela * rel;
- const Elf_Internal_Rela * rel_end;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
- if (info->relocatable)
- return TRUE;
+ if (bfd_link_relocatable (info))
+ return true;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
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];
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
- /* PR15323, ref flags aren't set for references in the same
- object. */
- h->root.non_ir_ref = 1;
}
}
- return TRUE;
+ return true;
}
/* Return the MACH for an e_flags value. */
return bfd_mach_ms1;
}
-static bfd_boolean
-mt_elf_object_p (bfd * abfd)
+static bool
+mt_elf_object_p (bfd *abfd)
{
bfd_default_set_arch_mach (abfd, bfd_arch_mt, elf32_mt_machine (abfd));
- return TRUE;
+ return true;
}
/* Function to set the ELF flag bits. */
-static bfd_boolean
-mt_elf_set_private_flags (bfd * abfd,
- flagword flags)
+static bool
+mt_elf_set_private_flags (bfd *abfd, flagword flags)
{
elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = TRUE;
- return TRUE;
+ elf_flags_init (abfd) = true;
+ return true;
}
/* Merge backend specific data from an object file to the output
object file when linking. */
-static bfd_boolean
-mt_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
+static bool
+mt_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
- flagword old_flags, new_flags;
- bfd_boolean ok = TRUE;
+ bfd *obfd = info->output_bfd;
+ flagword old_flags, new_flags;
+ bool ok = true;
/* Check if we have the same endianness. */
- if (_bfd_generic_verify_endian_match (ibfd, obfd) == FALSE)
- return FALSE;
+ if (!_bfd_generic_verify_endian_match (ibfd, info))
+ return false;
/* If they're not both mt, then merging is meaningless, so just
don't do it. */
if (strcmp (ibfd->arch_info->arch_name, "mt") != 0)
- return TRUE;
+ return true;
if (strcmp (obfd->arch_info->arch_name, "mt") != 0)
- return TRUE;
+ return true;
new_flags = elf_elfheader (ibfd)->e_flags;
old_flags = elf_elfheader (obfd)->e_flags;
#ifdef DEBUG
- _bfd_error_handler ("%B: old_flags = 0x%.8lx, new_flags = 0x%.8lx, 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
if (!elf_flags_init (obfd))
{
old_flags = new_flags;
- elf_flags_init (obfd) = TRUE;
+ elf_flags_init (obfd) = true;
}
else if ((new_flags & EF_MT_CPU_MASK) != (old_flags & EF_MT_CPU_MASK))
{
/* CPU has changed. This is invalid, because MRISC, MRISC2 and
MS2 are not subsets of each other. */
- ok = FALSE;
+ ok = false;
}
if (ok)
return ok;
}
-static bfd_boolean
-mt_elf_print_private_bfd_data (bfd * abfd, void * ptr)
+static bool
+mt_elf_print_private_bfd_data (bfd *abfd, void *ptr)
{
- FILE * file = (FILE *) ptr;
+ FILE *file = (FILE *) ptr;
flagword flags;
BFD_ASSERT (abfd != NULL && ptr != NULL);
fputc ('\n', file);
- return TRUE;
+ return true;
}
\f
-#define TARGET_BIG_SYM bfd_elf32_mt_vec
-#define TARGET_BIG_NAME "elf32-mt"
+#define TARGET_BIG_SYM mt_elf32_vec
+#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
projects / deliverable / binutils-gdb.git / blobdiff