Support R_SPARC_WDISP10 and R_SPARC_H34.
[external/binutils.git] / gold / target-reloc.h
index fabc0a9..6efcdf4 100644 (file)
@@ -176,13 +176,48 @@ visibility_error(const Symbol* sym)
 inline bool
 issue_undefined_symbol_error(const Symbol* sym)
 {
-  return (sym != NULL
-         && (sym->is_undefined() || sym->is_placeholder())
-         && sym->binding() != elfcpp::STB_WEAK
-         && !sym->is_defined_in_discarded_section()
-         && !parameters->target().is_defined_by_abi(sym)
-         && (!parameters->options().shared()
-             || parameters->options().defs()));
+  // We only report global symbols.
+  if (sym == NULL)
+    return false;
+
+  // We only report undefined symbols.
+  if (!sym->is_undefined() && !sym->is_placeholder())
+    return false;
+
+  // We don't report weak symbols.
+  if (sym->binding() == elfcpp::STB_WEAK)
+    return false;
+
+  // We don't report symbols defined in discarded sections.
+  if (sym->is_defined_in_discarded_section())
+    return false;
+
+  // If the target defines this symbol, don't report it here.
+  if (parameters->target().is_defined_by_abi(sym))
+    return false;
+
+  // See if we've been told to ignore whether this symbol is
+  // undefined.
+  const char* const u = parameters->options().unresolved_symbols();
+  if (u != NULL)
+    {
+      if (strcmp(u, "ignore-all") == 0)
+       return false;
+      if (strcmp(u, "report-all") == 0)
+       return true;
+      if (strcmp(u, "ignore-in-object-files") == 0 && !sym->in_dyn())
+       return false;
+      if (strcmp(u, "ignore-in-shared-libs") == 0 && !sym->in_reg())
+       return false;
+    }
+
+  // When creating a shared library, only report unresolved symbols if
+  // -z defs was used.
+  if (parameters->options().shared() && !parameters->options().defs())
+    return false;
+
+  // Otherwise issue a warning.
+  return true;
 }
 
 // This function implements the generic part of relocation processing.
@@ -388,17 +423,17 @@ apply_relocation(const Relocate_info<size, big_endian>* relinfo,
                 section_size_type view_size)
 {
   // Construct the ELF relocation in a temporary buffer.
-  const int reloc_size = elfcpp::Elf_sizes<64>::rela_size;
+  const int reloc_size = elfcpp::Elf_sizes<size>::rela_size;
   unsigned char relbuf[reloc_size];
-  elfcpp::Rela<64, false> rel(relbuf);
-  elfcpp::Rela_write<64, false> orel(relbuf);
+  elfcpp::Rela<size, big_endian> rel(relbuf);
+  elfcpp::Rela_write<size, big_endian> orel(relbuf);
   orel.put_r_offset(r_offset);
-  orel.put_r_info(elfcpp::elf_r_info<64>(0, r_type));
+  orel.put_r_info(elfcpp::elf_r_info<size>(0, r_type));
   orel.put_r_addend(r_addend);
 
   // Setup a Symbol_value for the global symbol.
-  const Sized_symbol<64>* sym = static_cast<const Sized_symbol<64>*>(gsym);
-  Symbol_value<64> symval;
+  const Sized_symbol<size>* sym = static_cast<const Sized_symbol<size>*>(gsym);
+  Symbol_value<size> symval;
   gold_assert(sym->has_symtab_index() && sym->symtab_index() != -1U);
   symval.set_output_symtab_index(sym->symtab_index());
   symval.set_output_value(sym->value());
@@ -634,6 +669,7 @@ relocate_for_relocatable(
            case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_2:
            case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_4:
            case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_8:
+           case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_4_UNALIGNED:
              {
                // We are adjusting a section symbol.  We need to find
                // the symbol table index of the section symbol for
@@ -755,6 +791,12 @@ relocate_for_relocatable(
                                                          psymval);
              break;
 
+           case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_4_UNALIGNED:
+             Relocate_functions<size, big_endian>::rel32_unaligned(padd,
+                                                                   object,
+                                                                   psymval);
+             break;
+
            default:
              gold_unreachable();
            }