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Diffstat (limited to 'bfd/elfxx-mips.c')
-rw-r--r--bfd/elfxx-mips.c157
1 files changed, 41 insertions, 116 deletions
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index f072f26..e5226d9 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -1,6 +1,6 @@
/* MIPS-specific support for ELF
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003 Free Software Foundation, Inc.
+ 2003, 2004 Free Software Foundation, Inc.
Most of the information added by Ian Lance Taylor, Cygnus Support,
<ian@cygnus.com>.
@@ -400,8 +400,6 @@ static asection *mips_elf_got_section
(bfd *, bfd_boolean);
static struct mips_got_info *mips_elf_got_info
(bfd *, asection **);
-static long mips_elf_get_global_gotsym_index
- (bfd *abfd);
static bfd_vma mips_elf_local_got_index
(bfd *, bfd *, struct bfd_link_info *, bfd_vma);
static bfd_vma mips_elf_global_got_index
@@ -530,8 +528,7 @@ static bfd *reldyn_sorting_bfd;
(NEWABI_P (abfd) ? ".MIPS.options" : ".options")
/* The name of the stub section. */
-#define MIPS_ELF_STUB_SECTION_NAME(abfd) \
- (NEWABI_P (abfd) ? ".MIPS.stubs" : ".stub")
+#define MIPS_ELF_STUB_SECTION_NAME(abfd) ".MIPS.stubs"
/* The size of an external REL relocation. */
#define MIPS_ELF_REL_SIZE(abfd) \
@@ -564,17 +561,8 @@ static bfd *reldyn_sorting_bfd;
: bfd_put_32 (abfd, val, ptr))
/* Add a dynamic symbol table-entry. */
-#ifdef BFD64
-#define MIPS_ELF_ADD_DYNAMIC_ENTRY(info, tag, val) \
- (ABI_64_P (elf_hash_table (info)->dynobj) \
- ? bfd_elf64_add_dynamic_entry (info, tag, val) \
- : bfd_elf32_add_dynamic_entry (info, tag, val))
-#else
#define MIPS_ELF_ADD_DYNAMIC_ENTRY(info, tag, val) \
- (ABI_64_P (elf_hash_table (info)->dynobj) \
- ? (abort (), FALSE) \
- : bfd_elf32_add_dynamic_entry (info, tag, val))
-#endif
+ _bfd_elf_add_dynamic_entry (info, tag, val)
#define MIPS_ELF_RTYPE_TO_HOWTO(abfd, rtype, rela) \
(get_elf_backend_data (abfd)->elf_backend_mips_rtype_to_howto (rtype, rela))
@@ -821,7 +809,6 @@ _bfd_mips_elf_read_ecoff_info (bfd *abfd, asection *section,
#undef READ
debug->fdr = NULL;
- debug->adjust = NULL;
return TRUE;
@@ -1233,13 +1220,6 @@ _bfd_mips_elf_lo16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
carry or borrow will induce a change of +1 or -1 in the high part. */
hi->rel.addend += (vallo + 0x8000) & 0xffff;
- /* R_MIPS_GNU_REL_HI16 relocations are relative to the address of the
- lo16 relocation, not their own address. If we're calculating the
- final value, and hence subtracting the "PC", subtract the offset
- of the lo16 relocation from here. */
- if (output_bfd == NULL && hi->rel.howto->type == R_MIPS_GNU_REL_HI16)
- hi->rel.addend -= reloc_entry->address - hi->rel.address;
-
ret = _bfd_mips_elf_generic_reloc (abfd, &hi->rel, symbol, hi->data,
hi->input_section, output_bfd,
error_message);
@@ -1825,28 +1805,6 @@ mips_elf_got_info (bfd *abfd, asection **sgotp)
return g;
}
-/* Obtain the lowest dynamic index of a symbol that was assigned a
- global GOT entry. */
-static long
-mips_elf_get_global_gotsym_index (bfd *abfd)
-{
- asection *sgot;
- struct mips_got_info *g;
-
- if (abfd == NULL)
- return 0;
-
- sgot = mips_elf_got_section (abfd, TRUE);
- if (sgot == NULL || mips_elf_section_data (sgot) == NULL)
- return 0;
-
- g = mips_elf_section_data (sgot)->u.got_info;
- if (g == NULL || g->global_gotsym == NULL)
- return 0;
-
- return g->global_gotsym->dynindx;
-}
-
/* Returns the GOT offset at which the indicated address can be found.
If there is not yet a GOT entry for this value, create one. Returns
-1 if no satisfactory GOT offset can be found. */
@@ -2153,7 +2111,7 @@ mips_elf_record_global_got_symbol (struct elf_link_hash_entry *h,
_bfd_mips_elf_hide_symbol (info, h, TRUE);
break;
}
- if (!bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (!bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
@@ -2763,12 +2721,6 @@ mips_elf_next_relocation (bfd *abfd ATTRIBUTE_UNUSED, unsigned int r_type,
const Elf_Internal_Rela *relocation,
const Elf_Internal_Rela *relend)
{
- /* According to the MIPS ELF ABI, the R_MIPS_LO16 relocation must be
- immediately following. However, for the IRIX6 ABI, the next
- relocation may be a composed relocation consisting of several
- relocations for the same address. In that case, the R_MIPS_LO16
- relocation may occur as one of these. We permit a similar
- extension in general, as that is useful for GCC. */
while (relocation < relend)
{
if (ELF_R_TYPE (abfd, relocation->r_info) == r_type)
@@ -2965,7 +2917,7 @@ mips_elf_create_got_section (bfd *abfd, struct bfd_link_info *info,
h->type = STT_OBJECT;
if (info->shared
- && ! bfd_elf32_link_record_dynamic_symbol (info, h))
+ && ! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
amt = sizeof (struct mips_got_info);
@@ -3156,8 +3108,7 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
and check to see if they exist by looking at their
addresses. */
symbol = 0;
- else if (info->shared
- && info->unresolved_syms_in_objects == RM_IGNORE
+ else if (info->unresolved_syms_in_objects == RM_IGNORE
&& ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT)
symbol = 0;
else if (strcmp (*namep, "_DYNAMIC_LINK") == 0 ||
@@ -3178,9 +3129,8 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.root.string, input_bfd,
input_section, relocation->r_offset,
- ((info->shared && info->unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
- || (!info->shared && info->unresolved_syms_in_objects == RM_GENERATE_ERROR)
- || ELF_ST_VISIBILITY (h->root.other)))))
+ (info->unresolved_syms_in_objects == RM_GENERATE_ERROR)
+ || ELF_ST_VISIBILITY (h->root.other))))
return bfd_reloc_undefined;
symbol = 0;
}
@@ -3385,29 +3335,12 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
value &= howto->dst_mask;
break;
- case R_MIPS_PC32:
- case R_MIPS_PC64:
- case R_MIPS_GNU_REL_LO16:
- value = symbol + addend - p;
- value &= howto->dst_mask;
- break;
-
case R_MIPS_GNU_REL16_S2:
value = symbol + _bfd_mips_elf_sign_extend (addend, 18) - p;
overflowed_p = mips_elf_overflow_p (value, 18);
value = (value >> 2) & howto->dst_mask;
break;
- case R_MIPS_GNU_REL_HI16:
- /* Instead of subtracting 'p' here, we should be subtracting the
- equivalent value for the LO part of the reloc, since the value
- here is relative to that address. Because that's not easy to do,
- we adjust 'addend' in _bfd_mips_elf_relocate_section(). See also
- the comment there for more information. */
- value = mips_elf_high (addend + symbol - p);
- value &= howto->dst_mask;
- break;
-
case R_MIPS16_26:
/* The calculation for R_MIPS16_26 is just the same as for an
R_MIPS_26. It's only the storage of the relocated field into
@@ -4726,7 +4659,7 @@ _bfd_mips_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
bfd_boolean
_bfd_mips_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
- const Elf_Internal_Sym *sym, const char **namep,
+ Elf_Internal_Sym *sym, const char **namep,
flagword *flagsp ATTRIBUTE_UNUSED,
asection **secp, bfd_vma *valp)
{
@@ -4859,7 +4792,7 @@ _bfd_mips_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_OBJECT;
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
mips_elf_hash_table (info)->use_rld_obj_head = TRUE;
@@ -4891,9 +4824,8 @@ _bfd_mips_elf_link_output_symbol_hook
&& strcmp (input_sec->name, ".scommon") == 0)
sym->st_shndx = SHN_MIPS_SCOMMON;
- if (sym->st_other == STO_MIPS16
- && (sym->st_value & 1) != 0)
- --sym->st_value;
+ if (sym->st_other == STO_MIPS16)
+ sym->st_value &= ~1;
return TRUE;
}
@@ -4972,7 +4904,7 @@ _bfd_mips_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_SECTION;
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
@@ -5017,7 +4949,7 @@ _bfd_mips_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_SECTION;
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
if (! mips_elf_hash_table (info)->use_rld_obj_head)
@@ -5041,7 +4973,7 @@ _bfd_mips_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_OBJECT;
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
}
@@ -5360,7 +5292,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
/* We need a stub, not a plt entry for the undefined
function. But we record it as if it needs plt. See
- elf_adjust_dynamic_symbol in elflink.h. */
+ _bfd_elf_adjust_dynamic_symbol. */
h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
h->type = STT_FUNC;
}
@@ -5472,14 +5404,14 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
case R_MIPS_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ 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_MIPS_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset))
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
return FALSE;
break;
@@ -6267,7 +6199,6 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
combination of the addend stored in two different
relocations. */
if (r_type == R_MIPS_HI16
- || r_type == R_MIPS_GNU_REL_HI16
|| (r_type == R_MIPS_GOT16
&& mips_elf_local_relocation_p (input_bfd, rel,
local_sections, FALSE)))
@@ -6275,7 +6206,6 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
bfd_vma l;
const Elf_Internal_Rela *lo16_relocation;
reloc_howto_type *lo16_howto;
- unsigned int lo;
/* The combined value is the sum of the HI16 addend,
left-shifted by sixteen bits, and the LO16
@@ -6283,18 +6213,25 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
a `lui' of the HI16 value, and then an `addiu' of
the LO16 value.)
- Scan ahead to find a matching LO16 relocation. */
- if (r_type == R_MIPS_GNU_REL_HI16)
- lo = R_MIPS_GNU_REL_LO16;
- else
- lo = R_MIPS_LO16;
- lo16_relocation = mips_elf_next_relocation (input_bfd, lo,
+ Scan ahead to find a matching LO16 relocation.
+
+ According to the MIPS ELF ABI, the R_MIPS_LO16
+ relocation must be immediately following.
+ However, for the IRIX6 ABI, the next relocation
+ may be a composed relocation consisting of
+ several relocations for the same address. In
+ that case, the R_MIPS_LO16 relocation may occur
+ as one of these. We permit a similar extension
+ in general, as that is useful for GCC. */
+ lo16_relocation = mips_elf_next_relocation (input_bfd,
+ R_MIPS_LO16,
rel, relend);
if (lo16_relocation == NULL)
return FALSE;
/* Obtain the addend kept there. */
- lo16_howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd, lo, FALSE);
+ lo16_howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd,
+ R_MIPS_LO16, FALSE);
l = mips_elf_obtain_contents (lo16_howto, lo16_relocation,
input_bfd, contents);
l &= lo16_howto->src_mask;
@@ -6305,16 +6242,6 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
/* Compute the combined addend. */
addend += l;
-
- /* If PC-relative, subtract the difference between the
- address of the LO part of the reloc and the address of
- the HI part. The relocation is relative to the LO
- part, but mips_elf_calculate_relocation() doesn't
- know its address or the difference from the HI part, so
- we subtract that difference here. See also the
- comment in mips_elf_calculate_relocation(). */
- if (r_type == R_MIPS_GNU_REL_HI16)
- addend -= (lo16_relocation->r_offset - rel->r_offset);
}
else if (r_type == R_MIPS16_GPREL)
{
@@ -6372,8 +6299,7 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
else
{
if (r_type == R_MIPS_HI16
- || r_type == R_MIPS_GOT16
- || r_type == R_MIPS_GNU_REL_HI16)
+ || r_type == R_MIPS_GOT16)
addend = mips_elf_high (addend);
else if (r_type == R_MIPS_HIGHER)
addend = mips_elf_higher (addend);
@@ -6814,9 +6740,8 @@ _bfd_mips_elf_finish_dynamic_symbol (bfd *output_bfd,
}
/* If this is a mips16 symbol, force the value to be even. */
- if (sym->st_other == STO_MIPS16
- && (sym->st_value & 1) != 0)
- --sym->st_value;
+ if (sym->st_other == STO_MIPS16)
+ sym->st_value &= ~1;
return TRUE;
}
@@ -7744,7 +7669,7 @@ _bfd_mips_elf_discard_info (bfd *abfd, struct elf_reloc_cookie *cookie,
for (i = 0, skip = 0; i < o->_raw_size / PDR_SIZE; i ++)
{
- if (MNAME(abfd,_bfd_elf,reloc_symbol_deleted_p) (i * PDR_SIZE, cookie))
+ if (bfd_elf_reloc_symbol_deleted_p (i * PDR_SIZE, cookie))
{
tdata[i] = 1;
skip ++;
@@ -8801,7 +8726,7 @@ _bfd_mips_elf_final_link (bfd *abfd, struct bfd_link_info *info)
}
/* Invoke the regular ELF backend linker to do all the work. */
- if (!MNAME(abfd,bfd_elf,bfd_final_link) (abfd, info))
+ if (!bfd_elf_final_link (abfd, info))
return FALSE;
/* Now write out the computed sections. */
@@ -9030,10 +8955,10 @@ _bfd_mips_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
which are automatically generated by gas. */
if (strcmp (sec->name, ".reginfo")
&& strcmp (sec->name, ".mdebug")
- && ((!strcmp (sec->name, ".text")
- || !strcmp (sec->name, ".data")
- || !strcmp (sec->name, ".bss"))
- && sec->_raw_size != 0))
+ && (sec->_raw_size != 0
+ || (strcmp (sec->name, ".text")
+ && strcmp (sec->name, ".data")
+ && strcmp (sec->name, ".bss"))))
{
null_input_bfd = FALSE;
break;
generated by cgit v1.1 at 2024-10-19 02:34:15 +0000