* options.h (DEFINE_uint64_alias): Define.

	(class General_options): Add -Ttext-segment as an alias for
	-Ttext.

diff --git a/gold/ChangeLog b/gold/ChangeLog
index c025205..e9de821 100644 (file)
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,9 @@
+2013-02-15  Ian Lance Taylor  <iant@google.com>
+
+       * options.h (DEFINE_uint64_alias): Define.
+       (class General_options): Add -Ttext-segment as an alias for
+       -Ttext.
+
 2013-02-15  Alan Modra  <amodra@gmail.com>
 
        * powerpc.cc (Stub_table::plt_off): New function, extracted from..

diff --git a/gold/options.h b/gold/options.h
index c138fa2..66fcf3e 100644 (file)
--- a/gold/options.h
+++ b/gold/options.h
@@ -498,6 +498,32 @@ struct Struct_special : public Struct_var
   };                                                                   \
   Struct_no_##option__ no_##option__##_initializer_
 
+// This is like DEFINE_uint64, but VARNAME is the name of a different
+// option.  This option becomes an alias for that one.
+#define DEFINE_uint64_alias(option__, varname__, dashes__, shortname__,        \
+                           helpstring__, helparg__)                    \
+ private:                                                              \
+  struct Struct_##option__ : public options::Struct_var                        \
+  {                                                                    \
+    Struct_##option__()                                                        \
+      : option(#option__, dashes__, shortname__, "", helpstring__,     \
+              helparg__, false, this)                                  \
+    { }                                                                        \
+                                                                       \
+    void                                                               \
+    parse_to_value(const char* option_name, const char* arg,           \
+                  Command_line*, General_options* options)             \
+    {                                                                  \
+      uint64_t value;                                                  \
+      options::parse_uint64(option_name, arg, &value);                 \
+      options->set_##varname__(value);                                 \
+      options->set_user_set_##varname__();                             \
+    }                                                                  \
+                                                                       \
+    options::One_option option;                                                \
+  };                                                                   \
+  Struct_##option__ option__##_;
+
 // This is used for non-standard flags.  It defines no functions; it
 // just calls General_options::parse_VARNAME whenever the flag is
 // seen.  We declare parse_VARNAME as a static member of
@@ -1113,6 +1139,9 @@ class General_options
                 N_("Set the address of the data segment"), N_("ADDRESS"));
   DEFINE_uint64(Ttext, options::ONE_DASH, '\0', -1U,
                 N_("Set the address of the text segment"), N_("ADDRESS"));
+  DEFINE_uint64_alias(Ttext_segment, Ttext, options::ONE_DASH, '\0',
+                     N_("Set the address of the text segment"),
+                     N_("ADDRESS"));
 
   DEFINE_bool(toc_optimize, options::TWO_DASHES, '\0', true,
              N_("(PowerPC64 only) Optimize TOC code sequences"),