PARAMS ((bfd *, bfd *, asection *, struct bfd_link_info *,
const Elf_Internal_Rela *, bfd_vma, reloc_howto_type *,
Elf_Internal_Sym *, asection **, bfd_vma *, const char **,
- boolean *));
+ boolean *, boolean));
static bfd_vma mips_elf_obtain_contents
PARAMS ((reloc_howto_type *, const Elf_Internal_Rela *, bfd *, bfd_byte *));
static boolean mips_elf_perform_relocation
#define MIPS_ELF_RTYPE_TO_HOWTO(abfd, rtype, rela) \
(get_elf_backend_data (abfd)->elf_backend_mips_rtype_to_howto (rtype, rela))
+/* Determine whether the internal relocation of index REL_IDX is REL
+ (zero) or RELA (non-zero). The assumption is that, if there are
+ two relocation sections for this section, one of them is REL and
+ the other is RELA. If the index of the relocation we're testing is
+ in range for the first relocation section, check that the external
+ relocation size is that for RELA. It is also assumed that, if
+ rel_idx is not in range for the first section, and this first
+ section contains REL relocs, then the relocation is in the second
+ section, that is RELA. */
+#define MIPS_RELOC_RELA_P(abfd, sec, rel_idx) \
+ ((NUM_SHDR_ENTRIES (&elf_section_data (sec)->rel_hdr) \
+ * get_elf_backend_data (abfd)->s->int_rels_per_ext_rel \
+ > (bfd_vma)(rel_idx)) \
+ == (elf_section_data (sec)->rel_hdr.sh_entsize \
+ == (ABI_64_P (abfd) ? sizeof (Elf64_External_Rela) \
+ : sizeof (Elf32_External_Rela))))
+
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
from smaller values. Start with zero, widen, *then* decrement. */
#define MINUS_ONE (((bfd_vma)0) - 1)
: "/usr/lib/libc.so.1")
#ifdef BFD64
+#define MNAME(bfd,pre,pos) \
+ (ABI_64_P (bfd) ? CONCAT4 (pre,64,_,pos) : CONCAT4 (pre,32,_,pos))
#define ELF_R_SYM(bfd, i) \
(ABI_64_P (bfd) ? ELF64_R_SYM (i) : ELF32_R_SYM (i))
#define ELF_R_TYPE(bfd, i) \
#define ELF_R_INFO(bfd, s, t) \
(ABI_64_P (bfd) ? ELF64_R_INFO (s, t) : ELF32_R_INFO (s, t))
#else
+#define MNAME(bfd,pre,pos) CONCAT4 (pre,32,_,pos)
#define ELF_R_SYM(bfd, i) \
(ELF32_R_SYM (i))
#define ELF_R_TYPE(bfd, i) \
flagword flags;
register asection *s;
struct elf_link_hash_entry *h;
+ struct bfd_link_hash_entry *bh;
struct mips_got_info *g;
bfd_size_type amt;
/* Define the symbol _GLOBAL_OFFSET_TABLE_. We don't do this in the
linker script because we don't want to define the symbol if we
are not creating a global offset table. */
- h = NULL;
+ bh = NULL;
if (! (_bfd_generic_link_add_one_symbol
(info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
(bfd_vma) 0, (const char *) NULL, false,
- get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
+ get_elf_backend_data (abfd)->collect, &bh)))
return false;
+
+ h = (struct elf_link_hash_entry *) bh;
h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_OBJECT;
mips_elf_calculate_relocation (abfd, input_bfd, input_section, info,
relocation, addend, howto, local_syms,
local_sections, valuep, namep,
- require_jalxp)
+ require_jalxp, save_addend)
bfd *abfd;
bfd *input_bfd;
asection *input_section;
bfd_vma *valuep;
const char **namep;
boolean *require_jalxp;
+ boolean save_addend;
{
/* The eventual value we will return. */
bfd_vma value;
struct mips_elf_link_hash_entry *h = NULL;
/* True if the symbol referred to by this relocation is a local
symbol. */
- boolean local_p;
+ boolean local_p, was_local_p;
/* True if the symbol referred to by this relocation is "_gp_disp". */
boolean gp_disp_p = false;
Elf_Internal_Shdr *symtab_hdr;
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
local_p = mips_elf_local_relocation_p (input_bfd, relocation,
local_sections, false);
+ was_local_p = local_p;
if (! elf_bad_symtab (input_bfd))
extsymoff = symtab_hdr->sh_info;
else
order. We don't need to do anything special here; the
differences are handled in mips_elf_perform_relocation. */
case R_MIPS_GPREL16:
- if (local_p)
- value = mips_elf_sign_extend (addend, 16) + symbol + gp0 - gp;
- else
- value = mips_elf_sign_extend (addend, 16) + symbol - gp;
+ /* Only sign-extend the addend if it was extracted from the
+ instruction. If the addend was separate, leave it alone,
+ otherwise we may lose significant bits. */
+ if (howto->partial_inplace)
+ addend = mips_elf_sign_extend (addend, 16);
+ value = symbol + addend - gp;
+ /* If the symbol was local, any earlier relocatable links will
+ have adjusted its addend with the gp offset, so compensate
+ for that now. Don't do it for symbols forced local in this
+ link, though, since they won't have had the gp offset applied
+ to them before. */
+ if (was_local_p)
+ value += gp0;
overflowed_p = mips_elf_overflow_p (value, 16);
break;
break;
case R_MIPS_GPREL32:
- value = (addend + symbol + gp0 - gp) & howto->dst_mask;
+ value = (addend + symbol + gp0 - gp);
+ if (!save_addend)
+ value &= howto->dst_mask;
break;
case R_MIPS_PC16:
know where the shared library will wind up at load-time. */
outrel[0].r_info = ELF_R_INFO (output_bfd, (unsigned long) indx,
R_MIPS_REL32);
+ outrel[1].r_info = ELF_R_INFO (output_bfd, (unsigned long) 0,
+ ABI_64_P (output_bfd)
+ ? R_MIPS_64
+ : R_MIPS_NONE);
+ outrel[2].r_info = ELF_R_INFO (output_bfd, (unsigned long) 0,
+ R_MIPS_NONE);
/* Adjust the output offset of the relocation to reference the
correct location in the output file. */
&& strcmp (*namep, "__rld_obj_head") == 0)
{
struct elf_link_hash_entry *h;
+ struct bfd_link_hash_entry *bh;
/* Mark __rld_obj_head as dynamic. */
- h = NULL;
+ bh = NULL;
if (! (_bfd_generic_link_add_one_symbol
(info, abfd, *namep, BSF_GLOBAL, *secp,
(bfd_vma) *valp, (const char *) NULL, false,
- get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
+ get_elf_backend_data (abfd)->collect, &bh)))
return false;
+
+ h = (struct elf_link_hash_entry *) bh;
h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_OBJECT;
struct bfd_link_info *info;
{
struct elf_link_hash_entry *h;
+ struct bfd_link_hash_entry *bh;
flagword flags;
register asection *s;
const char * const *namep;
{
for (namep = mips_elf_dynsym_rtproc_names; *namep != NULL; namep++)
{
- h = NULL;
+ bh = NULL;
if (! (_bfd_generic_link_add_one_symbol
(info, abfd, *namep, BSF_GLOBAL, bfd_und_section_ptr,
(bfd_vma) 0, (const char *) NULL, false,
- get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
+ get_elf_backend_data (abfd)->collect, &bh)))
return false;
+
+ h = (struct elf_link_hash_entry *) bh;
h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_SECTION;
if (!info->shared)
{
- h = NULL;
- if (SGI_COMPAT (abfd))
- {
- if (!(_bfd_generic_link_add_one_symbol
- (info, abfd, "_DYNAMIC_LINK", BSF_GLOBAL, bfd_abs_section_ptr,
- (bfd_vma) 0, (const char *) NULL, false,
- get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
- return false;
- }
- else
- {
- /* For normal mips it is _DYNAMIC_LINKING. */
- if (!(_bfd_generic_link_add_one_symbol
- (info, abfd, "_DYNAMIC_LINKING", BSF_GLOBAL,
- bfd_abs_section_ptr, (bfd_vma) 0, (const char *) NULL, false,
- get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
- return false;
- }
+ const char *name;
+
+ name = SGI_COMPAT (abfd) ? "_DYNAMIC_LINK" : "_DYNAMIC_LINKING";
+ bh = NULL;
+ if (!(_bfd_generic_link_add_one_symbol
+ (info, abfd, name, BSF_GLOBAL, bfd_abs_section_ptr,
+ (bfd_vma) 0, (const char *) NULL, false,
+ get_elf_backend_data (abfd)->collect, &bh)))
+ return false;
+
+ h = (struct elf_link_hash_entry *) bh;
h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_SECTION;
s = bfd_get_section_by_name (abfd, ".rld_map");
BFD_ASSERT (s != NULL);
- h = NULL;
- if (SGI_COMPAT (abfd))
- {
- if (!(_bfd_generic_link_add_one_symbol
- (info, abfd, "__rld_map", BSF_GLOBAL, s,
- (bfd_vma) 0, (const char *) NULL, false,
- get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
- return false;
- }
- else
- {
- /* For normal mips the symbol is __RLD_MAP. */
- if (!(_bfd_generic_link_add_one_symbol
- (info, abfd, "__RLD_MAP", BSF_GLOBAL, s,
- (bfd_vma) 0, (const char *) NULL, false,
- get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
- return false;
- }
+ name = SGI_COMPAT (abfd) ? "__rld_map" : "__RLD_MAP";
+ bh = NULL;
+ if (!(_bfd_generic_link_add_one_symbol
+ (info, abfd, name, BSF_GLOBAL, s,
+ (bfd_vma) 0, (const char *) NULL, false,
+ get_elf_backend_data (abfd)->collect, &bh)))
+ return false;
+
+ h = (struct elf_link_hash_entry *) bh;
h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_OBJECT;
sizeof CALL_FP_STUB - 1) == 0)
continue;
- sec_relocs = (_bfd_elf32_link_read_relocs
+ sec_relocs = (MNAME(abfd,_bfd_elf,link_read_relocs)
(abfd, o, (PTR) NULL,
(Elf_Internal_Rela *) NULL,
info->keep_memory));
else
/* NewABI defaults to RELA relocations. */
howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd, r_type,
- NEWABI_P (input_bfd));
+ NEWABI_P (input_bfd)
+ && (MIPS_RELOC_RELA_P
+ (input_bfd, input_section,
+ rel - relocs)));
if (!use_saved_addend_p)
{
input_section, info, rel,
addend, howto, local_syms,
local_sections, &value,
- &name, &require_jalx))
+ &name, &require_jalx,
+ use_saved_addend_p))
{
case bfd_reloc_continue:
/* There's nothing to do. */
.dynamic end up in PT_DYNAMIC. However, we do have to insert a
PT_OPTIONS segment immediately following the program header
table. */
- if (NEWABI_P (abfd))
+ if (NEWABI_P (abfd)
+ /* On non-IRIX6 new abi, we'll have already created a segment
+ for this section, so don't create another. I'm not sure this
+ is not also the case for IRIX 6, but I can't test it right
+ now. */
+ && IRIX_COMPAT (abfd) == ict_irix6)
{
for (s = abfd->sections; s; s = s->next)
if (elf_section_data (s)->this_hdr.sh_type == SHT_MIPS_OPTIONS)
if (! tdata)
return false;
- cookie->rels = _bfd_elf32_link_read_relocs (abfd, o, (PTR) NULL,
- (Elf_Internal_Rela *) NULL,
- info->keep_memory);
+ cookie->rels = (MNAME(abfd,_bfd_elf,link_read_relocs)
+ (abfd, o, (PTR) NULL,
+ (Elf_Internal_Rela *) NULL,
+ info->keep_memory));
if (!cookie->rels)
{
free (tdata);
for (i = 0, skip = 0; i < o->_raw_size; i ++)
{
- if (_bfd_elf32_reloc_symbol_deleted_p (i * PDR_SIZE, cookie))
+ if (MNAME(abfd,_bfd_elf,reloc_symbol_deleted_p) (i * PDR_SIZE, cookie))
{
tdata[i] = 1;
skip ++;
}
/* Invoke the regular ELF backend linker to do all the work. */
- if (ABI_64_P (abfd))
- {
-#ifdef BFD64
- if (!bfd_elf64_bfd_final_link (abfd, info))
- return false;
-#else
- abort ();
- return false;
-#endif /* BFD64 */
- }
- else if (!bfd_elf32_bfd_final_link (abfd, info))
+ if (!MNAME(abfd,bfd_elf,bfd_final_link) (abfd, info))
return false;
/* Now write out the computed sections. */
projects / deliverable / binutils-gdb.git / blobdiff