diff options
Diffstat (limited to 'bfd/elf32-microblaze.c')
-rw-r--r-- | bfd/elf32-microblaze.c | 75 |
1 files changed, 31 insertions, 44 deletions
diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c index 3307a91..f1bea56 100644 --- a/bfd/elf32-microblaze.c +++ b/bfd/elf32-microblaze.c @@ -678,26 +678,6 @@ microblaze_elf_is_local_label_name (bfd *abfd, const char *name) return _bfd_elf_is_local_label_name (abfd, name); } -/* The microblaze linker (like many others) needs to keep track of - the number of relocs that it decides to copy as dynamic relocs in - check_relocs for each symbol. This is so that it can later discard - them if they are found to be unnecessary. We store the information - in a field extending the regular ELF linker hash table. */ - -struct elf32_mb_dyn_relocs -{ - struct elf32_mb_dyn_relocs *next; - - /* The input section of the reloc. */ - asection *sec; - - /* Total number of relocs copied for the input section. */ - bfd_size_type count; - - /* Number of pc-relative relocs copied for the input section. */ - bfd_size_type pc_count; -}; - /* ELF linker hash entry. */ struct elf32_mb_link_hash_entry @@ -705,7 +685,7 @@ struct elf32_mb_link_hash_entry struct elf_link_hash_entry elf; /* Track dynamic relocs copied for this symbol. */ - struct elf32_mb_dyn_relocs *dyn_relocs; + struct elf_dyn_relocs *dyn_relocs; /* TLS Reference Types for the symbol; Updated by check_relocs */ #define TLS_GD 1 /* GD reloc. */ @@ -2429,8 +2409,8 @@ microblaze_elf_check_relocs (bfd * abfd, && (h->root.type == bfd_link_hash_defweak || !h->def_regular))) { - struct elf32_mb_dyn_relocs *p; - struct elf32_mb_dyn_relocs **head; + struct elf_dyn_relocs *p; + struct elf_dyn_relocs **head; /* When creating a shared object, we must copy these relocs into the output file. We create a reloc @@ -2474,14 +2454,14 @@ microblaze_elf_check_relocs (bfd * abfd, return FALSE; vpp = &elf_section_data (s)->local_dynrel; - head = (struct elf32_mb_dyn_relocs **) vpp; + head = (struct elf_dyn_relocs **) vpp; } p = *head; if (p == NULL || p->sec != sec) { bfd_size_type amt = sizeof *p; - p = ((struct elf32_mb_dyn_relocs *) + p = ((struct elf_dyn_relocs *) bfd_alloc (htab->elf.dynobj, amt)); if (p == NULL) return FALSE; @@ -2520,8 +2500,8 @@ microblaze_elf_copy_indirect_symbol (struct bfd_link_info *info, { if (edir->dyn_relocs != NULL) { - struct elf32_mb_dyn_relocs **pp; - struct elf32_mb_dyn_relocs *p; + struct elf_dyn_relocs **pp; + struct elf_dyn_relocs *p; if (ind->root.type == bfd_link_hash_indirect) abort (); @@ -2530,7 +2510,7 @@ microblaze_elf_copy_indirect_symbol (struct bfd_link_info *info, list. Merge any entries against the same section. */ for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) { - struct elf32_mb_dyn_relocs *q; + struct elf_dyn_relocs *q; for (q = edir->dyn_relocs; q != NULL; q = q->next) if (q->sec == p->sec) @@ -2555,13 +2535,28 @@ microblaze_elf_copy_indirect_symbol (struct bfd_link_info *info, _bfd_elf_link_hash_copy_indirect (info, dir, ind); } +/* Find dynamic relocs for H that apply to read-only sections. */ + +static asection * +readonly_dynrelocs (struct elf_link_hash_entry *h) +{ + struct elf_dyn_relocs *p; + + for (p = elf32_mb_hash_entry (h)->dyn_relocs; p != NULL; p = p->next) + { + asection *s = p->sec->output_section; + + if (s != NULL && (s->flags & SEC_READONLY) != 0) + return p->sec; + } + return NULL; +} + static bfd_boolean microblaze_elf_adjust_dynamic_symbol (struct bfd_link_info *info, struct elf_link_hash_entry *h) { struct elf32_mb_link_hash_table *htab; - struct elf32_mb_link_hash_entry * eh; - struct elf32_mb_dyn_relocs *p; asection *s, *srel; unsigned int power_of_two; @@ -2633,17 +2628,9 @@ microblaze_elf_adjust_dynamic_symbol (struct bfd_link_info *info, return TRUE; } - eh = (struct elf32_mb_link_hash_entry *) h; - for (p = eh->dyn_relocs; p != NULL; p = p->next) - { - s = p->sec->output_section; - if (s != NULL && (s->flags & SEC_READONLY) != 0) - break; - } - - /* If we didn't find any dynamic relocs in read-only sections, then + /* If we don't find any dynamic relocs in read-only sections, then we'll be keeping the dynamic relocs and avoiding the copy reloc. */ - if (p == NULL) + if (!readonly_dynrelocs (h)) { h->non_got_ref = 0; return TRUE; @@ -2710,7 +2697,7 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat) struct bfd_link_info *info; struct elf32_mb_link_hash_table *htab; struct elf32_mb_link_hash_entry *eh; - struct elf32_mb_dyn_relocs *p; + struct elf_dyn_relocs *p; if (h->root.type == bfd_link_hash_indirect) return TRUE; @@ -2843,7 +2830,7 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat) && (h->forced_local || info->symbolic)) { - struct elf32_mb_dyn_relocs **pp; + struct elf_dyn_relocs **pp; for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) { @@ -2935,9 +2922,9 @@ microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, for (s = ibfd->sections; s != NULL; s = s->next) { - struct elf32_mb_dyn_relocs *p; + struct elf_dyn_relocs *p; - for (p = ((struct elf32_mb_dyn_relocs *) + for (p = ((struct elf_dyn_relocs *) elf_section_data (s)->local_dynrel); p != NULL; p = p->next) |