catch out of range string offset in corrupt stab entry

[binutils-gdb.git] / bfd / elf32-sparc.c

diff --git a/bfd/elf32-sparc.c b/bfd/elf32-sparc.c
index bb11c070d36a764fe8a080efced17dc0b753a288..e61a82fabeb5cc8a0134068635ecb107e86afd8b 100644 (file)
--- a/bfd/elf32-sparc.c
+++ b/bfd/elf32-sparc.c
@@ -1,5 +1,6 @@
 /* SPARC-specific support for 32-bit ELF
-   Copyright (C) 1993, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1993, 94, 95, 96, 97, 98, 99, 2000
+   Free Software Foundation, Inc.
 
 This file is part of BFD, the Binary File Descriptor library.
 
@@ -510,6 +511,9 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs)
 
        case R_SPARC_PC10:
        case R_SPARC_PC22:
+         if (h != NULL)
+           h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+
          if (h != NULL
              && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
            break;
@@ -521,6 +525,9 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs)
        case R_SPARC_WDISP22:
        case R_SPARC_WDISP19:
        case R_SPARC_WDISP16:
+         if (h != NULL)
+           h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+
          /* If we are linking with -Bsymbolic, we do not need to copy
              a PC relative reloc against a global symbol which is
              defined in an object we are including in the link (i.e.,
@@ -543,6 +550,9 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs)
        case R_SPARC_13:
        case R_SPARC_LO10:
        case R_SPARC_UA32:
+         if (h != NULL)
+           h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+
          if (info->shared)
            {
              /* When creating a shared object, we must copy these
@@ -834,6 +844,11 @@ elf32_sparc_adjust_dynamic_symbol (info, h)
   if (info->shared)
     return true;
 
+  /* If there are no references to this symbol that do not use the
+     GOT, we don't need to generate a copy reloc.  */
+  if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
+    return true;
+
   /* We must allocate the symbol in our .dynbss section, which will
      become part of the .bss section of the executable.  There will be
      an entry for this symbol in the .dynsym section.  The dynamic
@@ -996,7 +1011,7 @@ elf32_sparc_size_dynamic_sections (output_bfd, info)
 
       if (strip)
        {
-         _bfd_strip_section_from_output (s);
+         _bfd_strip_section_from_output (info, s);
          continue;
        }
 
@@ -1204,7 +1219,8 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
            {
              if (! ((*info->callbacks->undefined_symbol)
                     (info, h->root.root.string, input_bfd,
-                     input_section, rel->r_offset)))
+                     input_section, rel->r_offset,
+                     (!info->shared || info->no_undefined))))
                return false;
              relocation = 0;
            }
@@ -1857,8 +1873,11 @@ elf32_sparc_merge_private_bfd_data (ibfd, obfd)
        (_("%s: compiled for a 64 bit system and target is 32 bit"),
         bfd_get_filename (ibfd));
     }
-  else if (bfd_get_mach (obfd) < bfd_get_mach (ibfd))
-    bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd));
+  else if ((ibfd->flags & DYNAMIC) == 0)
+    {
+      if (bfd_get_mach (obfd) < bfd_get_mach (ibfd))
+       bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd));
+    }
 #endif
 
   if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA)