-/* Morpho Technologies MS1 specific support for 32-bit ELF
- Copyright 2001, 2002, 2003, 2004, 2005
+/* Morpho Technologies MT specific support for 32-bit ELF
+ Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2011
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/mt.h"
/* Prototypes. */
-static reloc_howto_type * ms1_reloc_type_lookup
+static reloc_howto_type * mt_reloc_type_lookup
(bfd *, bfd_reloc_code_real_type);
-static void ms1_info_to_howto_rela
+static void mt_info_to_howto_rela
(bfd *, arelent *, Elf_Internal_Rela *);
-static bfd_reloc_status_type ms1_elf_relocate_hi16
+static bfd_reloc_status_type mt_elf_relocate_hi16
(bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma);
-static bfd_reloc_status_type ms1_final_link_relocate
+static bfd_reloc_status_type mt_final_link_relocate
(reloc_howto_type *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, bfd_vma);
-static bfd_boolean ms1_elf_relocate_section
+static bfd_boolean mt_elf_relocate_section
(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
/* Relocation tables. */
-static reloc_howto_type ms1_elf_howto_table [] =
+static reloc_howto_type mt_elf_howto_table [] =
{
/* This reloc does nothing. */
- HOWTO (R_MS1_NONE, /* type */
+ HOWTO (R_MT_NONE, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MS1_NONE", /* name */
+ "R_MT_NONE", /* name */
FALSE, /* partial_inplace */
0 , /* src_mask */
0, /* dst_mask */
FALSE), /* pcrel_offset */
/* A 16 bit absolute relocation. */
- HOWTO (R_MS1_16, /* type */
+ HOWTO (R_MT_16, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MS1_16", /* name */
+ "R_MT_16", /* name */
FALSE, /* partial_inplace */
0 , /* src_mask */
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A 32 bit absolute relocation. */
- HOWTO (R_MS1_32, /* type */
+ HOWTO (R_MT_32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MS1_32", /* name */
+ "R_MT_32", /* name */
FALSE, /* partial_inplace */
0 , /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A 32 bit pc-relative relocation. */
- HOWTO (R_MS1_32_PCREL, /* type */
+ HOWTO (R_MT_32_PCREL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MS1_32_PCREL", /* name */
+ "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_MS1_PC16, /* type */
+ HOWTO (R_MT_PC16, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MS1_PC16", /* name */
+ "R_MT_PC16", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
TRUE), /* pcrel_offset */
/* high 16 bits of symbol value. */
- HOWTO (R_MS1_HI16, /* type */
+ HOWTO (R_MT_HI16, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MS1_HI16", /* name */
+ "R_MT_HI16", /* name */
FALSE, /* partial_inplace */
0xffff0000, /* src_mask */
0xffff0000, /* dst_mask */
FALSE), /* pcrel_offset */
/* Low 16 bits of symbol value. */
- HOWTO (R_MS1_LO16, /* type */
+ HOWTO (R_MT_LO16, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MS1_LO16", /* name */
+ "R_MT_LO16", /* name */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
};
-/* Map BFD reloc types to MS1 ELF reloc types. */
+/* Map BFD reloc types to MT ELF reloc types. */
static reloc_howto_type *
-ms1_reloc_type_lookup
+mt_reloc_type_lookup
(bfd * abfd ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type code)
{
- /* Note that the ms1_elf_howto_table is indxed by the R_
+ /* Note that the mt_elf_howto_table is indxed by the R_
constants. Thus, the order that the howto records appear in the
table *must* match the order of the relocation types defined in
- include/elf/ms1.h. */
+ include/elf/mt.h. */
switch (code)
{
case BFD_RELOC_NONE:
- return &ms1_elf_howto_table[ (int) R_MS1_NONE];
+ return &mt_elf_howto_table[ (int) R_MT_NONE];
case BFD_RELOC_16:
- return &ms1_elf_howto_table[ (int) R_MS1_16];
+ return &mt_elf_howto_table[ (int) R_MT_16];
case BFD_RELOC_32:
- return &ms1_elf_howto_table[ (int) R_MS1_32];
+ return &mt_elf_howto_table[ (int) R_MT_32];
case BFD_RELOC_32_PCREL:
- return &ms1_elf_howto_table[ (int) R_MS1_32_PCREL];
+ return &mt_elf_howto_table[ (int) R_MT_32_PCREL];
case BFD_RELOC_16_PCREL:
- return &ms1_elf_howto_table[ (int) R_MS1_PC16];
+ return &mt_elf_howto_table[ (int) R_MT_PC16];
case BFD_RELOC_HI16:
- return &ms1_elf_howto_table[ (int) R_MS1_HI16];
+ return &mt_elf_howto_table[ (int) R_MT_HI16];
case BFD_RELOC_LO16:
- return &ms1_elf_howto_table[ (int) R_MS1_LO16];
+ return &mt_elf_howto_table[ (int) R_MT_LO16];
default:
/* Pacify gcc -Wall. */
return NULL;
}
+static reloc_howto_type *
+mt_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (mt_elf_howto_table) / sizeof (mt_elf_howto_table[0]);
+ i++)
+ if (mt_elf_howto_table[i].name != NULL
+ && strcasecmp (mt_elf_howto_table[i].name, r_name) == 0)
+ return &mt_elf_howto_table[i];
+
+ return NULL;
+}
+
bfd_reloc_status_type
-ms1_elf_relocate_hi16
+mt_elf_relocate_hi16
(bfd * input_bfd,
Elf_Internal_Rela * relhi,
bfd_byte * contents,
/* XXX: The following code is the result of a cut&paste. This unfortunate
practice is very widespread in the various target back-end files. */
-/* Set the howto pointer for a MS1 ELF reloc. */
+/* Set the howto pointer for a MT ELF reloc. */
static void
-ms1_info_to_howto_rela
+mt_info_to_howto_rela
(bfd * abfd ATTRIBUTE_UNUSED,
arelent * cache_ptr,
Elf_Internal_Rela * dst)
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- cache_ptr->howto = & ms1_elf_howto_table [r_type];
+ cache_ptr->howto = & mt_elf_howto_table [r_type];
}
/* Perform a single relocation. By default we use the standard BFD
routines. */
static bfd_reloc_status_type
-ms1_final_link_relocate
+mt_final_link_relocate
(reloc_howto_type * howto,
bfd * input_bfd,
asection * input_section,
relocation, rel->r_addend);
}
-/* Relocate a MS1 ELF section.
+/* Relocate a MT ELF section.
There is some attempt to make this function usable for many architectures,
both USE_REL and USE_RELA ['twould be nice if such a critter existed],
if only to serve as a learning tool.
accordingly. */
static bfd_boolean
-ms1_elf_relocate_section
+mt_elf_relocate_section
(bfd * output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info * info,
bfd * input_bfd,
r_symndx = ELF32_R_SYM (rel->r_info);
- /* This is a final link. */
- howto = ms1_elf_howto_table + ELF32_R_TYPE (rel->r_info);
+ howto = mt_elf_howto_table + ELF32_R_TYPE (rel->r_info);
h = NULL;
sym = NULL;
sec = NULL;
name = h->root.root.string;
}
+ if (sec != NULL && elf_discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, relend, howto, contents);
- /* Finally, the sole MS1-specific part. */
+ if (info->relocatable)
+ continue;
+
+ /* Finally, the sole MT-specific part. */
switch (r_type)
{
- case R_MS1_HI16:
- r = ms1_elf_relocate_hi16 (input_bfd, rel, contents, relocation);
+ case R_MT_HI16:
+ r = mt_elf_relocate_hi16 (input_bfd, rel, contents, relocation);
break;
default:
- r = ms1_final_link_relocate (howto, input_bfd, input_section,
+ r = mt_final_link_relocate (howto, input_bfd, input_section,
contents, rel, relocation);
break;
}
return TRUE;
}
-/* Return the section that should be marked against GC for a given
- relocation. */
-
-static asection *
-ms1_elf_gc_mark_hook
- (asection * sec,
- struct bfd_link_info * info ATTRIBUTE_UNUSED,
- Elf_Internal_Rela * rel ATTRIBUTE_UNUSED,
- struct elf_link_hash_entry * h,
- Elf_Internal_Sym * sym)
-{
- if (h != NULL)
- {
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- else
- {
- if (!(elf_bad_symtab (sec->owner)
- && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
- && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
- && sym->st_shndx != SHN_COMMON))
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
- }
-
- return NULL;
-}
-
-/* Update the got entry reference counts for the section being
- removed. */
-
-static bfd_boolean
-ms1_elf_gc_sweep_hook
- (bfd * abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info * info ATTRIBUTE_UNUSED,
- asection * sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED)
-{
- 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
-ms1_elf_check_relocs
+mt_elf_check_relocs
(bfd * abfd,
struct bfd_link_info * info,
asection * sec,
{
Elf_Internal_Shdr * symtab_hdr;
struct elf_link_hash_entry ** sym_hashes;
- struct elf_link_hash_entry ** sym_hashes_end;
const Elf_Internal_Rela * rel;
const Elf_Internal_Rela * rel_end;
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++)
/* Return the MACH for an e_flags value. */
static int
-elf32_ms1_machine (bfd *abfd)
+elf32_mt_machine (bfd *abfd)
{
- switch (elf_elfheader (abfd)->e_flags & EF_MS1_CPU_MASK)
+ switch (elf_elfheader (abfd)->e_flags & EF_MT_CPU_MASK)
{
- case EF_MS1_CPU_MRISC: return bfd_mach_ms1;
- case EF_MS1_CPU_MRISC2: return bfd_mach_mrisc2;
- case EF_MS1_CPU_MS2: return bfd_mach_ms2;
+ case EF_MT_CPU_MRISC: return bfd_mach_ms1;
+ case EF_MT_CPU_MRISC2: return bfd_mach_mrisc2;
+ case EF_MT_CPU_MS2: return bfd_mach_ms2;
}
return bfd_mach_ms1;
}
static bfd_boolean
-ms1_elf_object_p (bfd * abfd)
+mt_elf_object_p (bfd * abfd)
{
- bfd_default_set_arch_mach (abfd, bfd_arch_ms1, elf32_ms1_machine (abfd));
+ bfd_default_set_arch_mach (abfd, bfd_arch_mt, elf32_mt_machine (abfd));
return TRUE;
}
/* Function to set the ELF flag bits. */
static bfd_boolean
-ms1_elf_set_private_flags (bfd * abfd,
+mt_elf_set_private_flags (bfd * abfd,
flagword flags)
{
elf_elfheader (abfd)->e_flags = flags;
}
static bfd_boolean
-ms1_elf_copy_private_bfd_data (bfd * ibfd, bfd * obfd)
+mt_elf_copy_private_bfd_data (bfd * ibfd, bfd * obfd)
{
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
elf_flags_init (obfd) = TRUE;
+
+ /* Copy object attributes. */
+ _bfd_elf_copy_obj_attributes (ibfd, obfd);
+
return TRUE;
}
object file when linking. */
static bfd_boolean
-ms1_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
+mt_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
{
flagword old_flags, new_flags;
- bfd_boolean error = FALSE;
+ bfd_boolean ok = TRUE;
- /* Check if we have the same endianess. */
+ /* Check if we have the same endianness. */
if (_bfd_generic_verify_endian_match (ibfd, obfd) == FALSE)
return FALSE;
- /* If they're not both ms1, then merging is meaningless, so just
+ /* If they're not both mt, then merging is meaningless, so just
don't do it. */
- if (strcmp (ibfd->arch_info->arch_name, "ms1") != 0)
+ if (strcmp (ibfd->arch_info->arch_name, "mt") != 0)
return TRUE;
- if (strcmp (obfd->arch_info->arch_name, "ms1") != 0)
+ if (strcmp (obfd->arch_info->arch_name, "mt") != 0)
return TRUE;
new_flags = elf_elfheader (ibfd)->e_flags;
old_flags = new_flags;
elf_flags_init (obfd) = TRUE;
}
- else if ((new_flags & EF_MS1_CPU_MASK) != (old_flags & EF_MS1_CPU_MASK))
+ 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. */
- error = 1;
-
- /* FIXME:However, until the compiler is multilibbed, preventing
- mixing breaks the build. So we allow merging and use the
- greater CPU value. This is of course unsafe. */
- error = 0;
- if ((new_flags & EF_MS1_CPU_MASK) > (old_flags & EF_MS1_CPU_MASK))
- old_flags = ((old_flags & ~EF_MS1_CPU_MASK)
- | (new_flags & EF_MS1_CPU_MASK));
+ ok = FALSE;
}
- if (!error)
+
+ if (ok)
{
obfd->arch_info = ibfd->arch_info;
elf_elfheader (obfd)->e_flags = old_flags;
}
- return !error;
+ return ok;
}
static bfd_boolean
-ms1_elf_print_private_bfd_data (bfd * abfd, void * ptr)
+mt_elf_print_private_bfd_data (bfd * abfd, void * ptr)
{
FILE * file = (FILE *) ptr;
flagword flags;
_bfd_elf_print_private_bfd_data (abfd, ptr);
flags = elf_elfheader (abfd)->e_flags;
- fprintf (file, _("private flags = 0x%lx:"), (long)flags);
+ fprintf (file, _("private flags = 0x%lx:"), (unsigned long) flags);
- switch (flags & EF_MS1_CPU_MASK)
+ switch (flags & EF_MT_CPU_MASK)
{
default:
- case EF_MS1_CPU_MRISC: fprintf (file, " ms1-16-002"); break;
- case EF_MS1_CPU_MRISC2: fprintf (file, " ms1-16-003"); break;
- case EF_MS1_CPU_MS2: fprintf (file, " ms2"); break;
+ case EF_MT_CPU_MRISC: fprintf (file, " ms1-16-002"); break;
+ case EF_MT_CPU_MRISC2: fprintf (file, " ms1-16-003"); break;
+ case EF_MT_CPU_MS2: fprintf (file, " ms2"); break;
}
fputc ('\n', file);
}
\f
-#define TARGET_BIG_SYM bfd_elf32_ms1_vec
-#define TARGET_BIG_NAME "elf32-ms1"
+#define TARGET_BIG_SYM bfd_elf32_mt_vec
+#define TARGET_BIG_NAME "elf32-mt"
-#define ELF_ARCH bfd_arch_ms1
-#define ELF_MACHINE_CODE EM_MS1
-#define ELF_MAXPAGESIZE 1 /* No pages on the MS1. */
+#define ELF_ARCH bfd_arch_mt
+#define ELF_MACHINE_CODE EM_MT
+#define ELF_MAXPAGESIZE 1 /* No pages on the MT. */
#define elf_info_to_howto_rel NULL
-#define elf_info_to_howto ms1_info_to_howto_rela
+#define elf_info_to_howto mt_info_to_howto_rela
-#define elf_backend_relocate_section ms1_elf_relocate_section
+#define elf_backend_relocate_section mt_elf_relocate_section
-#define bfd_elf32_bfd_reloc_type_lookup ms1_reloc_type_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_gc_mark_hook ms1_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook ms1_elf_gc_sweep_hook
-#define elf_backend_check_relocs ms1_elf_check_relocs
-#define elf_backend_object_p ms1_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
-#define bfd_elf32_bfd_set_private_flags ms1_elf_set_private_flags
-#define bfd_elf32_bfd_copy_private_bfd_data ms1_elf_copy_private_bfd_data
-#define bfd_elf32_bfd_merge_private_bfd_data ms1_elf_merge_private_bfd_data
-#define bfd_elf32_bfd_print_private_bfd_data ms1_elf_print_private_bfd_data
+#define bfd_elf32_bfd_set_private_flags mt_elf_set_private_flags
+#define bfd_elf32_bfd_copy_private_bfd_data mt_elf_copy_private_bfd_data
+#define bfd_elf32_bfd_merge_private_bfd_data mt_elf_merge_private_bfd_data
+#define bfd_elf32_bfd_print_private_bfd_data mt_elf_print_private_bfd_data
#include "elf32-target.h"
projects / external / binutils.git / blobdiff