}
\f
+/* Find dynamic relocs for H that apply to read-only sections. */
+
+static asection *
+readonly_dynrelocs (struct elf_link_hash_entry *h)
+{
+ struct elf_m32r_dyn_relocs *p;
+ struct elf_m32r_link_hash_entry *eh = (struct elf_m32r_link_hash_entry *) h;
+
+ for (p = eh->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;
+}
+
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
&& (h->needs_plt
- || h->u.weakdef != NULL
+ || h->is_weakalias
|| (h->def_dynamic
&& h->ref_regular
&& !h->def_regular)));
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->u.weakdef != NULL)
+ if (h->is_weakalias)
{
- BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
- || h->u.weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->u.weakdef->root.u.def.section;
- h->root.u.def.value = h->u.weakdef->root.u.def.value;
+ struct elf_link_hash_entry *def = weakdef (h);
+ BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+ h->root.u.def.section = def->root.u.def.section;
+ h->root.u.def.value = def->root.u.def.value;
return TRUE;
}
return TRUE;
}
-/* Find any dynamic relocs that apply to read-only sections. */
+/* Set DF_TEXTREL if we find any dynamic relocs that apply to
+ read-only sections. */
static bfd_boolean
-readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
+maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
{
- struct elf_m32r_link_hash_entry *eh;
- struct elf_m32r_dyn_relocs *p;
+ asection *sec;
- eh = (struct elf_m32r_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- asection *s = p->sec->output_section;
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- {
- struct bfd_link_info *info = (struct bfd_link_info *) inf;
+ sec = readonly_dynrelocs (h);
+ if (sec != NULL)
+ {
+ struct bfd_link_info *info = (struct bfd_link_info *) info_p;
- info->flags |= DF_TEXTREL;
+ info->flags |= DF_TEXTREL;
+ info->callbacks->minfo
+ (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
+ sec->owner, h->root.root.string, sec);
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
+ /* Not an error, just cut short the traversal. */
+ return FALSE;
}
return TRUE;
}
/* If any dynamic relocs apply to a read-only section,
then we need a DT_TEXTREL entry. */
if ((info->flags & DF_TEXTREL) == 0)
- elf_link_hash_traverse (&htab->root, readonly_dynrelocs,
- info);
+ elf_link_hash_traverse (&htab->root, maybe_set_textrel, info);
if ((info->flags & DF_TEXTREL) != 0)
{
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-static bfd_boolean
-m32r_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)
-{
- /* Update the got entry reference counts for the section being removed. */
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h = NULL;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- }
-
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_M32R_GOT16_HI_ULO:
- case R_M32R_GOT16_HI_SLO:
- case R_M32R_GOT16_LO:
- case R_M32R_GOTOFF:
- case R_M32R_GOTOFF_HI_ULO:
- case R_M32R_GOTOFF_HI_SLO:
- case R_M32R_GOTOFF_LO:
- case R_M32R_GOT24:
- case R_M32R_GOTPC_HI_ULO:
- case R_M32R_GOTPC_HI_SLO:
- case R_M32R_GOTPC_LO:
- case R_M32R_GOTPC24:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_M32R_16_RELA:
- case R_M32R_24_RELA:
- case R_M32R_32_RELA:
- case R_M32R_REL32:
- case R_M32R_HI16_ULO_RELA:
- case R_M32R_HI16_SLO_RELA:
- case R_M32R_LO16_RELA:
- case R_M32R_SDA16_RELA:
- case R_M32R_10_PCREL_RELA:
- case R_M32R_18_PCREL_RELA:
- case R_M32R_26_PCREL_RELA:
- if (h != NULL)
- {
- struct elf_m32r_link_hash_entry *eh;
- struct elf_m32r_dyn_relocs **pp;
- struct elf_m32r_dyn_relocs *p;
-
- if (!bfd_link_pic (info) && h->plt.refcount > 0)
- h->plt.refcount -= 1;
-
- eh = (struct elf_m32r_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- if ( ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_18_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_10_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_REL32)
- p->pc_count -= 1;
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
- }
- break;
-
- case R_M32R_26_PLTREL:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
-
- default:
- break;
- }
- }
-
- 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. */
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
- /* PR15323, ref flags aren't set for references in the same
- object. */
- h->root.non_ir_ref_regular = 1;
}
/* Some relocs require a global offset table. */
#define elf_backend_add_symbol_hook m32r_elf_add_symbol_hook
#define elf_backend_relocate_section m32r_elf_relocate_section
#define elf_backend_gc_mark_hook m32r_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook m32r_elf_gc_sweep_hook
#define elf_backend_check_relocs m32r_elf_check_relocs
#define elf_backend_create_dynamic_sections m32r_elf_create_dynamic_sections
#define bfd_elf32_bfd_print_private_bfd_data m32r_elf_print_private_bfd_data
#define elf_backend_special_sections m32r_elf_special_sections
+#define elf_backend_linux_prpsinfo32_ugid16 TRUE
+
#include "elf32-target.h"
#undef ELF_MAXPAGESIZE
projects / deliverable / binutils-gdb.git / blobdiff