bfd/

[deliverable/binutils-gdb.git] / bfd / bfd.c

diff --git a/bfd/bfd.c b/bfd/bfd.c
index 733f6ee0272db1beb8b385505719f27f45929391..ebfd3146eb5de0c0ca3b7cd8c2094052b64b08b6 100644 (file)
--- a/bfd/bfd.c
+++ b/bfd/bfd.c
@@ -1513,3 +1513,130 @@ bfd_preserve_finish (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_preserve *preserve)
      objalloc.  */
   bfd_hash_table_free (&preserve->section_htab);
 }
+
+/*
+FUNCTION
+       bfd_emul_get_maxpagesize
+
+SYNOPSIS
+       bfd_vma bfd_emul_get_maxpagesize (const char *);
+
+DESCRIPTION
+       Returns the maximum page size, in bytes, as determined by
+       emulation.
+
+RETURNS
+       Returns the maximum page size in bytes for ELF, abort
+       otherwise.
+*/
+
+bfd_vma
+bfd_emul_get_maxpagesize (const char *emul)
+{
+  const bfd_target *target;
+
+  target = bfd_find_target (emul, NULL);
+  if (target != NULL
+      && target->flavour == bfd_target_elf_flavour)
+    return xvec_get_elf_backend_data (target)->maxpagesize;
+
+  abort ();
+  return 0;
+}
+
+static void
+bfd_elf_set_pagesize (const bfd_target *target, bfd_vma size,
+                     int offset, const bfd_target *orig_target)
+{
+  if (target->flavour == bfd_target_elf_flavour)
+    {
+      const struct elf_backend_data *bed;
+
+      bed = xvec_get_elf_backend_data (target);
+      *((bfd_vma *) ((char *) bed + offset)) = size;
+    }
+
+  if (target->alternative_target
+      && target->alternative_target != orig_target)
+    bfd_elf_set_pagesize (target->alternative_target, size, offset,
+                         orig_target);
+}
+
+/*
+FUNCTION
+       bfd_emul_set_maxpagesize
+
+SYNOPSIS
+       void bfd_emul_set_maxpagesize (const char *, bfd_vma);
+
+DESCRIPTION
+       For ELF, set the maximum page size for the emulation.  It is
+       a no-op for other formats.
+
+*/
+
+void
+bfd_emul_set_maxpagesize (const char *emul, bfd_vma size)
+{
+  const bfd_target *target;
+
+  target = bfd_find_target (emul, NULL);
+  if (target)
+    bfd_elf_set_pagesize (target, size,
+                         offsetof (struct elf_backend_data,
+                                   maxpagesize), target);
+}
+
+/*
+FUNCTION
+       bfd_emul_get_commonpagesize
+
+SYNOPSIS
+       bfd_vma bfd_emul_get_commonpagesize (const char *);
+
+DESCRIPTION
+       Returns the common page size, in bytes, as determined by
+       emulation.
+
+RETURNS
+       Returns the common page size in bytes for ELF, abort otherwise.
+*/
+
+bfd_vma
+bfd_emul_get_commonpagesize (const char *emul)
+{
+  const bfd_target *target;
+
+  target = bfd_find_target (emul, NULL);
+  if (target != NULL
+      && target->flavour == bfd_target_elf_flavour)
+    return xvec_get_elf_backend_data (target)->commonpagesize;
+
+  abort ();
+  return 0;
+}
+
+/*
+FUNCTION
+       bfd_emul_set_commonpagesize
+
+SYNOPSIS
+       void bfd_emul_set_commonpagesize (const char *, bfd_vma);
+
+DESCRIPTION
+       For ELF, set the common page size for the emulation.  It is
+       a no-op for other formats.
+
+*/
+
+void
+bfd_emul_set_commonpagesize (const char *emul, bfd_vma size)
+{
+  const bfd_target *target;
+
+  target = bfd_find_target (emul, NULL);
+  if (target)
+    bfd_elf_set_pagesize (target, size,
+                         offsetof (struct elf_backend_data,
+                                   commonpagesize), target);
+}