* elf-bfd.h: Add prototypes for bfd_elf32_write_relocs,

[deliverable/binutils-gdb.git] / bfd / elfcode.h

diff --git a/bfd/elfcode.h b/bfd/elfcode.h
index adbafd84ff7bf117514e6bbf0061323493f02303..b1ce9d820fd897ee881d8bca6ce2d721117760a1 100644 (file)
--- a/bfd/elfcode.h
+++ b/bfd/elfcode.h
@@ -118,6 +118,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define elf_add_dynamic_entry          NAME(bfd_elf,add_dynamic_entry)
 #define elf_write_shdrs_and_ehdr       NAME(bfd_elf,write_shdrs_and_ehdr)
 #define elf_write_out_phdrs            NAME(bfd_elf,write_out_phdrs)
+#define elf_write_relocs               NAME(bfd_elf,write_relocs)
+#define elf_slurp_reloc_table          NAME(bfd_elf,slurp_reloc_table)
 #define elf_link_create_dynamic_sections \
   NAME(bfd_elf,link_create_dynamic_sections)
 #define elf_link_record_dynamic_symbol  _bfd_elf_link_record_dynamic_symbol
@@ -168,10 +170,6 @@ static void elf_swap_shdr_out
 static boolean elf_slurp_reloc_table_from_section 
   PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, bfd_size_type,
           arelent *, asymbol **, boolean));
-static boolean elf_slurp_reloc_table
-  PARAMS ((bfd *, asection *, asymbol **, boolean));
-
-static void write_relocs PARAMS ((bfd *, asection *, PTR));
 
 static boolean elf_file_p PARAMS ((Elf_External_Ehdr *));
 
@@ -207,8 +205,13 @@ elf_swap_symbol_in (abfd, src, dst)
      const Elf_External_Sym *src;
      Elf_Internal_Sym *dst;
 {
+  int signed_vma = get_elf_backend_data (abfd)->sign_extend_vma;
+
   dst->st_name = bfd_h_get_32 (abfd, (bfd_byte *) src->st_name);
-  dst->st_value = get_word (abfd, (bfd_byte *) src->st_value);
+  if (signed_vma)
+    dst->st_value = get_signed_word (abfd, (bfd_byte *) src->st_value);
+  else
+    dst->st_value = get_word (abfd, (bfd_byte *) src->st_value);
   dst->st_size = get_word (abfd, (bfd_byte *) src->st_size);
   dst->st_info = bfd_h_get_8 (abfd, (bfd_byte *) src->st_info);
   dst->st_other = bfd_h_get_8 (abfd, (bfd_byte *) src->st_other);
@@ -295,10 +298,15 @@ elf_swap_shdr_in (abfd, src, dst)
      const Elf_External_Shdr *src;
      Elf_Internal_Shdr *dst;
 {
+  int signed_vma = get_elf_backend_data (abfd)->sign_extend_vma;
+
   dst->sh_name = bfd_h_get_32 (abfd, (bfd_byte *) src->sh_name);
   dst->sh_type = bfd_h_get_32 (abfd, (bfd_byte *) src->sh_type);
   dst->sh_flags = get_word (abfd, (bfd_byte *) src->sh_flags);
-  dst->sh_addr = get_word (abfd, (bfd_byte *) src->sh_addr);
+  if (signed_vma)
+    dst->sh_addr = get_signed_word (abfd, (bfd_byte *) src->sh_addr);
+  else
+    dst->sh_addr = get_word (abfd, (bfd_byte *) src->sh_addr);
   dst->sh_offset = get_word (abfd, (bfd_byte *) src->sh_offset);
   dst->sh_size = get_word (abfd, (bfd_byte *) src->sh_size);
   dst->sh_link = bfd_h_get_32 (abfd, (bfd_byte *) src->sh_link);
@@ -341,11 +349,21 @@ elf_swap_phdr_in (abfd, src, dst)
      const Elf_External_Phdr *src;
      Elf_Internal_Phdr *dst;
 {
+  int signed_vma = get_elf_backend_data (abfd)->sign_extend_vma;
+
   dst->p_type = bfd_h_get_32 (abfd, (bfd_byte *) src->p_type);
   dst->p_flags = bfd_h_get_32 (abfd, (bfd_byte *) src->p_flags);
   dst->p_offset = get_word (abfd, (bfd_byte *) src->p_offset);
-  dst->p_vaddr = get_word (abfd, (bfd_byte *) src->p_vaddr);
-  dst->p_paddr = get_word (abfd, (bfd_byte *) src->p_paddr);
+  if (signed_vma)
+    {
+      dst->p_vaddr = get_signed_word (abfd, (bfd_byte *) src->p_vaddr);
+      dst->p_paddr = get_signed_word (abfd, (bfd_byte *) src->p_paddr);
+    }
+  else
+    {
+      dst->p_vaddr = get_word (abfd, (bfd_byte *) src->p_vaddr);
+      dst->p_paddr = get_word (abfd, (bfd_byte *) src->p_paddr);
+    }
   dst->p_filesz = get_word (abfd, (bfd_byte *) src->p_filesz);
   dst->p_memsz = get_word (abfd, (bfd_byte *) src->p_memsz);
   dst->p_align = get_word (abfd, (bfd_byte *) src->p_align);
@@ -726,8 +744,8 @@ elf_object_p (abfd)
 
 /* Write out the relocs.  */
 
-static void
-write_relocs (abfd, sec, data)
+void
+elf_write_relocs (abfd, sec, data)
      bfd *abfd;
      asection *sec;
      PTR data;
@@ -857,6 +875,8 @@ write_relocs (abfd, sec, data)
 
          if (sym == last_sym)
            n = last_sym_idx;
+         else if (bfd_is_abs_section (sym->section) && sym->value == 0)
+           n = STN_UNDEF;
          else
            {
              last_sym = sym;
@@ -869,7 +889,8 @@ write_relocs (abfd, sec, data)
              last_sym_idx = n;
            }
 
-         if ((*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec
+         if ((*ptr->sym_ptr_ptr)->the_bfd != NULL
+             && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec
              && ! _bfd_elf_validate_reloc (abfd, ptr))
            {
              *failedp = true;
@@ -1302,7 +1323,7 @@ elf_slurp_reloc_table_from_section (abfd, asect, rel_hdr, reloc_count,
 
 /* Read in and swap the external relocs.  */
 
-static boolean
+boolean
 elf_slurp_reloc_table (abfd, asect, symbols, dynamic)
      bfd *abfd;
      asection *asect;
@@ -1510,7 +1531,7 @@ const struct elf_size_info NAME(_bfd_elf,size_info) = {
   ELFCLASS, EV_CURRENT,
   elf_write_out_phdrs,
   elf_write_shdrs_and_ehdr,
-  write_relocs,
+  elf_write_relocs,
   elf_swap_symbol_out,
   elf_slurp_reloc_table,
   elf_slurp_symbol_table,