#include <assert.h>
#define USE_RELA /* Only USE_REL is actually significant, but this is
- here are a reminder... */
+ here are a reminder... */
static void mcore_elf_howto_init
PARAMS ((void));
false), /* pcrel_offset */
/* 8 bits + 2 zero bits; jmpi/jsri/lrw instructions.
- Should not appear in object files. */
+ Should not appear in object files. */
HOWTO (R_MCORE_PCRELIMM8BY4, /* type */
2, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
0, /* dst_mask */
true), /* pcrel_offset */
- /* bsr/bt/bf/br instructions; 11 bits + 1 zero bit
+ /* bsr/bt/bf/br instructions; 11 bits + 1 zero bit
Span 2k instructions == 4k bytes.
Only useful pieces at the relocated address are the opcode (5 bits) */
HOWTO (R_MCORE_PCRELIMM11BY2,/* type */
0x7ff, /* dst_mask */
true), /* pcrel_offset */
- /* 4 bits + 1 zero bit; 'loopt' instruction only; unsupported. */
+ /* 4 bits + 1 zero bit; 'loopt' instruction only; unsupported. */
HOWTO (R_MCORE_PCRELIMM4BY2, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
0, /* dst_mask */
true), /* pcrel_offset */
- /* 32-bit pc-relative. Eventually this will help support PIC code. */
+ /* 32-bit pc-relative. Eventually this will help support PIC code. */
HOWTO (R_MCORE_PCREL32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
/* Like PCRELIMM11BY2, this relocation indicates that there is a
'jsri' at the specified address. There is a separate relocation
- entry for the literal pool entry that it references, but we
+ entry for the literal pool entry that it references, but we
might be able to change the jsri to a bsr if the target turns out
to be close enough [even though we won't reclaim the literal pool
entry, we'll get some runtime efficiency back]. Note that this
- is a relocation that we are allowed to safely ignore. */
+ is a relocation that we are allowed to safely ignore. */
HOWTO (R_MCORE_PCRELJSR_IMM11BY2,/* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
0x0, /* src_mask */
0x7ff, /* dst_mask */
true), /* pcrel_offset */
-
+
/* GNU extension to record C++ vtable hierarchy */
HOWTO (R_MCORE_GNU_VTINHERIT, /* type */
0, /* rightshift */
0, /* src_mask */
0, /* dst_mask */
false), /* pcrel_offset */
-
+
HOWTO (R_MCORE_RELATIVE, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
for (i = NUM_ELEM (mcore_elf_howto_raw); i--;)
{
unsigned int type;
-
+
type = mcore_elf_howto_raw[i].type;
-
+
BFD_ASSERT (type < NUM_ELEM (mcore_elf_howto_table));
-
+
mcore_elf_howto_table [type] = & mcore_elf_howto_raw [i];
}
}
mcore_elf_howto_init ();
BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_MCORE_max);
-
+
cache_ptr->howto = mcore_elf_howto_table [ELF32_R_TYPE (dst->r_info)];
}
-/* Function to set whether a module needs the -mrelocatable bit set. */
+/* Function to set whether a module needs the -mrelocatable bit set. */
static boolean
mcore_elf_set_private_flags (abfd, flags)
bfd * abfd;
new_flags = elf_elfheader (ibfd)->e_flags;
old_flags = elf_elfheader (obfd)->e_flags;
-
+
if (! elf_flags_init (obfd)) /* First call, no flags set */
{
elf_flags_init (obfd) = true;
char ** error_message ATTRIBUTE_UNUSED;
{
BFD_ASSERT (reloc_entry->howto != (reloc_howto_type *)0);
-
+
_bfd_error_handler (_("%s: Relocation %s (%d) is not currently supported.\n"),
bfd_get_filename (abfd),
reloc_entry->howto->name,
unsigned long r_symndx;
struct elf_link_hash_entry * h = (struct elf_link_hash_entry *) 0;
unsigned short oldinst = 0;
-
+
/* Unknown relocation handling */
if ((unsigned) r_type >= (unsigned) R_MCORE_max
|| ! mcore_elf_howto_table [(int)r_type])
ret = false;
continue;
}
-
+
howto = mcore_elf_howto_table [(int) r_type];
r_symndx = ELF32_R_SYM (rel->r_info);
-
+
if (info->relocateable)
{
/* This is a relocateable link. We don't have to change
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
-
+
if ((unsigned)ELF_ST_TYPE (sym->st_info) == STT_SECTION)
{
sec = local_sections[r_symndx];
break;
}
-
#ifdef DEBUG
fprintf (stderr, "\ttype = %s (%d), symbol index = %ld, offset = %ld, addend = %ld\n",
howto->name, r_type, r_symndx, (long) offset, (long) addend);
bfd_put_16 (input_bfd, oldinst, contents + offset);
r = bfd_reloc_ok;
}
-
+
if (r != bfd_reloc_ok)
{
ret = false;
-
+
switch (r)
{
default:
{
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
-
+
if (name == NULL)
break;
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;
/* 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 boolean
mcore_elf_check_relocs (abfd, info, sec, relocs)
bfd * abfd;
struct elf_link_hash_entry ** sym_hashes_end;
const Elf_Internal_Rela * rel;
const Elf_Internal_Rela * rel_end;
-
+
if (info->relocateable)
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++)
{
struct elf_link_hash_entry * h;
unsigned long r_symndx;
-
+
r_symndx = ELF32_R_SYM (rel->r_info);
-
+
if (r_symndx < symtab_hdr->sh_info)
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.
if (!_bfd_elf32_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_MCORE_GNU_VTENTRY:
break;
}
}
-
+
return true;
}
#define elf_info_to_howto mcore_elf_info_to_howto
#define elf_info_to_howto_rel NULL
-
#define bfd_elf32_bfd_copy_private_bfd_data mcore_elf_copy_private_bfd_data
#define bfd_elf32_bfd_merge_private_bfd_data mcore_elf_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags mcore_elf_set_private_flags
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