2010-01-22 Doug Kwan <dougkwan@google.com>

[deliverable/binutils-gdb.git] / gold / options.h

diff --git a/gold/options.h b/gold/options.h
index ab4a9e6ccb0b94982e996dd206e6a873c01383ac..22662dbbdf6305214314af8944bf1b9d38ee87c7 100644 (file)
--- a/gold/options.h
+++ b/gold/options.h
@@ -315,7 +315,10 @@ struct Struct_special : public Struct_var
     void                                                                 \
     parse_to_value(const char*, const char*,                             \
                    Command_line*, General_options* options)              \
-    { options->set_##varname__(false); }                                 \
+    {                                                                    \
+      options->set_##varname__(false);                                   \
+      options->set_user_set_##varname__();                               \
+    }                                                                    \
                                                                          \
     options::One_option option;                                          \
   };                                                                     \
@@ -719,6 +722,19 @@ class General_options
   DEFINE_string(fini, options::ONE_DASH, '\0', "_fini",
                 N_("Call SYMBOL at unload-time"), N_("SYMBOL"));
 
+  DEFINE_bool(fix_cortex_a8, options::TWO_DASHES, '\0', false,
+             N_("(ARM only) Fix binaries for Cortex-A8 erratum."),
+             N_("(ARM only) Do not fix binaries for Cortex-A8 erratum."));
+
+  DEFINE_special(fix_v4bx, options::TWO_DASHES, '\0',
+                 N_("(ARM only) Rewrite BX rn as MOV pc, rn for ARMv4"),
+                 NULL);
+
+  DEFINE_special(fix_v4bx_interworking, options::TWO_DASHES, '\0',
+                 N_("(ARM only) Rewrite BX rn branch to ARMv4 interworking "
+                    "veneer"),
+                 NULL);
+
   DEFINE_bool(g, options::EXACTLY_ONE_DASH, '\0', false,
              N_("Ignored"), NULL);
 
@@ -1211,6 +1227,20 @@ class General_options
   bool
   section_start(const char* secname, uint64_t* paddr) const;
 
+  enum Fix_v4bx
+  {
+    // Leave original instruction.
+    FIX_V4BX_NONE,
+    // Replace instruction.
+    FIX_V4BX_REPLACE,
+    // Generate an interworking veneer.
+    FIX_V4BX_INTERWORKING
+  };
+
+  Fix_v4bx
+  fix_v4bx() const
+  { return (this->fix_v4bx_); }
+
  private:
   // Don't copy this structure.
   General_options(const General_options&);
@@ -1300,6 +1330,8 @@ class General_options
   Unordered_set<std::string> symbols_to_retain_;
   // Map from section name to address from --section-start.
   std::map<std::string, uint64_t> section_starts_;
+  // Whether to process armv4 bx instruction relocation.
+  Fix_v4bx fix_v4bx_;
 };
 
 // The position-dependent options.  We use this to store the state of