X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Felf32-m32c.c;h=4de500a1c4ef490bcfe9a48b10556e88685d2055;hb=24df9a516a709809b109f21ad302f61a3c76062a;hp=64b2103f51c77684406ba1ccef90d24357af0b54;hpb=157090f728a99fff42b3d3cc576b0c2a953e9916;p=deliverable%2Fbinutils-gdb.git

diff --git a/bfd/elf32-m32c.c b/bfd/elf32-m32c.c
index 64b2103f51..4de500a1c4 100644
--- a/bfd/elf32-m32c.c
+++ b/bfd/elf32-m32c.c
@@ -1,12 +1,12 @@
 /* M16C/M32C specific support for 32-bit ELF.
-   Copyright (C) 2005, 2006, 2007
+   Copyright (C) 2005, 2006, 2007, 2008, 2009
    Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -18,8 +18,8 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-#include "bfd.h"
 #include "sysdep.h"
+#include "bfd.h"
 #include "libbfd.h"
 #include "elf-bfd.h"
 #include "elf/m32c.h"
@@ -597,7 +597,6 @@ m32c_elf_check_relocs
 {
   Elf_Internal_Shdr *           symtab_hdr;
   struct elf_link_hash_entry ** sym_hashes;
-  struct elf_link_hash_entry ** sym_hashes_end;
   const Elf_Internal_Rela *     rel;
   const Elf_Internal_Rela *     rel_end;
   bfd_vma *local_plt_offsets;
@@ -613,10 +612,6 @@ m32c_elf_check_relocs
   splt = NULL;
   dynobj = elf_hash_table(info)->dynobj;
 
-  sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
-  if (!elf_bad_symtab (abfd))
-    sym_hashes_end -= symtab_hdr->sh_info;
- 
   rel_end = relocs + sec->reloc_count;
   for (rel = relocs; rel < rel_end; rel++)
     {
@@ -852,7 +847,7 @@ m32c_elf_print_private_bfd_data (bfd *abfd, PTR ptr)
   _bfd_elf_print_private_bfd_data (abfd, ptr);
 
   flags = elf_elfheader (abfd)->e_flags;
-  fprintf (file, _("private flags = 0x%lx:"), (long)flags);
+  fprintf (file, _("private flags = 0x%lx:"), (unsigned long) flags);
 
   switch (flags & EF_M32C_CPU_MASK)
     {
@@ -1956,13 +1951,24 @@ m32c_elf_relax_delete_bytes
 
   for (; isym < isymend; isym++, shndx = (shndx ? shndx + 1 : NULL))
     {
-
+      /* If the symbol is in the range of memory we just moved, we
+	 have to adjust its value.  */
       if ((int) isym->st_shndx == sec_shndx
 	  && isym->st_value > addr
 	  && isym->st_value < toaddr)
 	{
 	  isym->st_value -= count;
 	}
+      /* If the symbol *spans* the bytes we just deleted (i.e. it's
+	 *end* is in the moved bytes but it's *start* isn't), then we
+	 must adjust its size.  */
+      if ((int) isym->st_shndx == sec_shndx
+	    && isym->st_value < addr
+	  && isym->st_value + isym->st_size > addr
+	  && isym->st_value + isym->st_size < toaddr)
+	{
+	  isym->st_size -= count;
+	}
     }
 
   /* Now adjust the global symbols defined in this section.  */
@@ -1977,22 +1983,41 @@ m32c_elf_relax_delete_bytes
       struct elf_link_hash_entry * sym_hash = * sym_hashes;
 
       if (sym_hash &&
-	  (   sym_hash->root.type == bfd_link_hash_defined
+	  (sym_hash->root.type == bfd_link_hash_defined
 	   || sym_hash->root.type == bfd_link_hash_defweak)
-	  && sym_hash->root.u.def.section == sec
-	  && sym_hash->root.u.def.value > addr
-	  && sym_hash->root.u.def.value < toaddr)
+	  && sym_hash->root.u.def.section == sec)
 	{
-	  sym_hash->root.u.def.value -= count;
+	  if (sym_hash->root.u.def.value > addr
+	      && sym_hash->root.u.def.value < toaddr)
+	    {
+	      sym_hash->root.u.def.value -= count;
+	    }
+	  if (sym_hash->root.u.def.value < addr
+	      && sym_hash->root.u.def.value + sym_hash->size > addr
+	      && sym_hash->root.u.def.value + sym_hash->size < toaddr)
+	    {
+	      sym_hash->size -= count;
+	    }
 	}
     }
 
   return TRUE;
 }
+
+/* This is for versions of gcc prior to 4.3.  */
+static unsigned int
+_bfd_m32c_elf_eh_frame_address_size (bfd *abfd, asection *sec ATTRIBUTE_UNUSED)
+{
+  if ((elf_elfheader (abfd)->e_flags & EF_M32C_CPU_MASK) == EF_M32C_CPU_M16C)
+    return 2;
+  return 4;
+}
+
 
 
 #define ELF_ARCH		bfd_arch_m32c
 #define ELF_MACHINE_CODE	EM_M32C
+#define ELF_MACHINE_ALT1	EM_M32C_OLD
 #define ELF_MAXPAGESIZE		0x1000
 
 #if 0
@@ -2016,6 +2041,7 @@ m32c_elf_relax_delete_bytes
   m32c_elf_finish_dynamic_sections
 
 #define elf_backend_can_gc_sections		1
+#define elf_backend_eh_frame_address_size _bfd_m32c_elf_eh_frame_address_size
 
 #define bfd_elf32_bfd_reloc_type_lookup		m32c_reloc_type_lookup
 #define bfd_elf32_bfd_reloc_name_lookup	m32c_reloc_name_lookup