PATCH: Speed up AR for ELF

[H. J. Lu]

We are calling _bfd_elf_get_sec_type_attr on sections from input files.
It is not necessary at all. This patch should speed up AR for ELF.


H.J.
---
2005-04-30  H.J. Lu  <[EMAIL PROTECTED]>

        * elf.c (_bfd_elf_new_section_hook): Don't call
        _bfd_elf_get_sec_type_attr on sections from input files.

--- bfd/elf.c.speed     2005-04-29 23:30:28.000000000 -0700
+++ bfd/elf.c   2005-04-30 10:23:02.000000000 -0700
@@ -2251,12 +2251,18 @@ _bfd_elf_new_section_hook (bfd *abfd, as
       sec->used_by_bfd = sdata;
     }
 
-  elf_section_type (sec) = SHT_NULL;
-  ssect = _bfd_elf_get_sec_type_attr (abfd, sec->name);
-  if (ssect != NULL)
-    {
-      elf_section_type (sec) = ssect->type;
-      elf_section_flags (sec) = ssect->attr;
+  /* When we read a file, we don't need to section type and flags.
+     They will be overridden in _bfd_elf_make_section_from_shdr
+     anyway.  */
+  if (abfd->direction != read_direction)
+    {
+      elf_section_type (sec) = SHT_NULL;
+      ssect = _bfd_elf_get_sec_type_attr (abfd, sec->name);
+      if (ssect != NULL)
+       {
+         elf_section_type (sec) = ssect->type;
+         elf_section_flags (sec) = ssect->attr;
+       }
     }
 
   /* Indicate whether or not this section should use RELA relocations.  */