include/

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

diff --git a/bfd/elf.c b/bfd/elf.c
index abb50829e6315efcfa91bce52bc0d62d0d343247..85f9e0f132726513d7f9388e12106fc086ecef28 100644 (file)
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -206,6 +206,21 @@ bfd_elf_hash (const char *namearg)
   return h & 0xffffffff;
 }
 
+/* DT_GNU_HASH hash function.  Do not change this function; you will
+   cause invalid hash tables to be generated.  */
+
+unsigned long
+bfd_elf_gnu_hash (const char *namearg)
+{
+  const unsigned char *name = (const unsigned char *) namearg;
+  unsigned long h = 5381;
+  unsigned char ch;
+
+  while ((ch = *name++) != '\0')
+    h = (h << 5) + h + ch;
+  return h & 0xffffffff;
+}
+
 bfd_boolean
 bfd_elf_mkobject (bfd *abfd)
 {
@@ -1240,6 +1255,7 @@ _bfd_elf_print_private_bfd_data (bfd *abfd, void *farg)
            case DT_AUXILIARY: name = "AUXILIARY"; stringp = TRUE; break;
            case DT_USED: name = "USED"; break;
            case DT_FILTER: name = "FILTER"; stringp = TRUE; break;
+           case DT_GNU_HASH: name = "GNU_HASH"; break;
            }
 
          fprintf (f, "  %-11s ", name);
@@ -1824,6 +1840,7 @@ bfd_section_from_shdr (bfd *abfd, unsigned int shindex)
     case SHT_FINI_ARRAY:       /* .fini_array section.  */
     case SHT_PREINIT_ARRAY:    /* .preinit_array section.  */
     case SHT_GNU_LIBLIST:      /* .gnu.liblist section.  */
+    case SHT_GNU_HASH:         /* .gnu.hash section.  */
       return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex);
 
     case SHT_DYNAMIC:  /* Dynamic linking information.  */
@@ -2296,6 +2313,7 @@ static const struct bfd_elf_special_section special_sections_g[] =
   { ".gnu.version_r", 14,  0, SHT_GNU_verneed, 0 },
   { ".gnu.liblist",   12,  0, SHT_GNU_LIBLIST, SHF_ALLOC },
   { ".gnu.conflict",  13,  0, SHT_RELA,     SHF_ALLOC },
+  { ".gnu.hash",       9,  0, SHT_GNU_HASH, SHF_ALLOC },
   { NULL,              0,  0, 0,            0 }
 };
 
@@ -2812,6 +2830,10 @@ elf_fake_sections (bfd *abfd, asection *asect, void *failedptrarg)
     case SHT_GROUP:
       this_hdr->sh_entsize = 4;
       break;
+
+    case SHT_GNU_HASH:
+      this_hdr->sh_entsize = bed->s->arch_size == 64 ? 0 : 4;
+      break;
     }
 
   if ((asect->flags & SEC_ALLOC) != 0)
@@ -3257,6 +3279,7 @@ assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info)
          break;
 
        case SHT_HASH:
+       case SHT_GNU_HASH:
        case SHT_GNU_versym:
          /* sh_link is the section header index of the symbol table
             this hash table or version table is for.  */