[ARC] Disassemble correctly extension instructions.
[deliverable/binutils-gdb.git] / gold / options.h
index 230900ab21dcebcd6556ec24efd508e3a7ae8cd1..ac0306d87cd2d9ded524f37d726ccb59be38b12a 100644 (file)
@@ -1,6 +1,6 @@
 // options.h -- handle command line options for gold  -*- C++ -*-
 
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2006-2016 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -120,7 +120,7 @@ parse_set(const char* option_name, const char* arg, String_set* retval);
 
 extern void
 parse_choices(const char* option_name, const char* arg, const char** retval,
-              const char* choices[], int num_choices);
+             const char* choices[], int num_choices);
 
 struct Struct_var;
 
@@ -168,7 +168,7 @@ struct One_option
   Struct_var* reader;
 
   One_option(const char* ln, Dashes d, char sn, const char* dv,
-             const char* hs, const char* ha, bool oa, Struct_var* r)
+            const char* hs, const char* ha, bool oa, Struct_var* r)
     : longname(ln), dashes(d), shortname(sn), default_value(dv ? dv : ""),
       helpstring(hs), helparg(ha), optional_arg(oa), reader(r)
   {
@@ -219,7 +219,7 @@ struct Struct_var
   // OPTIONS: the global General_options object.  Used by DEFINE_special.
   virtual void
   parse_to_value(const char* option, const char* arg,
-                 Command_line* cmdline, General_options* options) = 0;
+                Command_line* cmdline, General_options* options) = 0;
   virtual
   ~Struct_var()  // To make gcc happy.
   { }
@@ -230,16 +230,16 @@ struct Struct_special : public Struct_var
 {
   // If you change this, change the parse-fn in DEFINE_special as well.
   typedef void (General_options::*Parse_function)(const char*, const char*,
-                                                  Command_line*);
+                                                 Command_line*);
   Struct_special(const char* varname, Dashes dashes, char shortname,
-                 Parse_function parse_function,
-                 const char* helpstring, const char* helparg)
+                Parse_function parse_function,
+                const char* helpstring, const char* helparg)
     : option(varname, dashes, shortname, "", helpstring, helparg, false, this),
       parse(parse_function)
   { }
 
   void parse_to_value(const char* option, const char* arg,
-                      Command_line* cmdline, General_options* options)
+                     Command_line* cmdline, General_options* options)
   { (options->*(this->parse))(option, arg, cmdline); }
 
   One_option option;
@@ -261,17 +261,17 @@ struct Struct_special : public Struct_var
 // avoid unintended macro substitution of "assert()", we need to enclose
 // varname__ with parenthese.
 #define DEFINE_var(varname__, dashes__, shortname__, default_value__,        \
-                   default_value_as_string__, helpstring__, helparg__,       \
-                   optional_arg__, type__, param_type__, parse_fn__)        \
+                  default_value_as_string__, helpstring__, helparg__,       \
+                  optional_arg__, type__, param_type__, parse_fn__)         \
  public:                                                                     \
   param_type__                                                               \
   (varname__)() const                                                        \
   { return this->varname__##_.value; }                                       \
-                                                                             \
+                                                                            \
   bool                                                                       \
   user_set_##varname__() const                                               \
   { return this->varname__##_.user_set_via_option; }                         \
-                                                                             \
+                                                                            \
   void                                                                      \
   set_user_set_##varname__()                                                \
   { this->varname__##_.user_set_via_option = true; }                        \
@@ -281,18 +281,18 @@ struct Struct_special : public Struct_var
   {                                                                          \
     Struct_##varname__()                                                     \
       : option(#varname__, dashes__, shortname__, default_value_as_string__, \
-               helpstring__, helparg__, optional_arg__, this),              \
-        user_set_via_option(false), value(default_value__)                   \
+              helpstring__, helparg__, optional_arg__, this),               \
+       user_set_via_option(false), value(default_value__)                   \
     { }                                                                      \
-                                                                             \
+                                                                            \
     void                                                                     \
     parse_to_value(const char* option_name, const char* arg,                 \
-                   Command_line*, General_options*)                          \
+                  Command_line*, General_options*)                          \
     {                                                                        \
       parse_fn__(option_name, arg, &this->value);                            \
       this->user_set_via_option = true;                                      \
     }                                                                        \
-                                                                             \
+                                                                            \
     options::One_option option;                                              \
     bool user_set_via_option;                                                \
     type__ value;                                                            \
@@ -308,71 +308,71 @@ struct Struct_special : public Struct_var
 // VARNAME, we also create an option called no-VARNAME (or, for a -z
 // option, noVARNAME).
 #define DEFINE_bool(varname__, dashes__, shortname__, default_value__,   \
-                    helpstring__, no_helpstring__)                       \
+                   helpstring__, no_helpstring__)                       \
   DEFINE_var(varname__, dashes__, shortname__, default_value__,          \
-             default_value__ ? "true" : "false", helpstring__, NULL,     \
-             false, bool, bool, options::parse_bool)                    \
+            default_value__ ? "true" : "false", helpstring__, NULL,     \
+            false, bool, bool, options::parse_bool)                     \
   struct Struct_no_##varname__ : public options::Struct_var              \
   {                                                                      \
     Struct_no_##varname__() : option((dashes__ == options::DASH_Z       \
                                      ? "no" #varname__                  \
                                      : "no-" #varname__),               \
                                     dashes__, '\0',                     \
-                                     default_value__ ? "false" : "true", \
-                                     no_helpstring__, NULL, false, this) \
+                                    default_value__ ? "false" : "true", \
+                                    no_helpstring__, NULL, false, this) \
     { }                                                                  \
-                                                                         \
+                                                                        \
     void                                                                 \
     parse_to_value(const char*, const char*,                             \
-                   Command_line*, General_options* options)              \
+                  Command_line*, General_options* options)              \
     {                                                                    \
       options->set_##varname__(false);                                   \
       options->set_user_set_##varname__();                               \
     }                                                                    \
-                                                                         \
+                                                                        \
     options::One_option option;                                          \
   };                                                                     \
   Struct_no_##varname__ no_##varname__##_initializer_
 
 #define DEFINE_enable(varname__, dashes__, shortname__, default_value__, \
-                      helpstring__, no_helpstring__)                     \
+                     helpstring__, no_helpstring__)                     \
   DEFINE_var(enable_##varname__, dashes__, shortname__, default_value__, \
-             default_value__ ? "true" : "false", helpstring__, NULL,     \
-             false, bool, bool, options::parse_bool)                    \
+            default_value__ ? "true" : "false", helpstring__, NULL,     \
+            false, bool, bool, options::parse_bool)                     \
   struct Struct_disable_##varname__ : public options::Struct_var         \
   {                                                                      \
     Struct_disable_##varname__() : option("disable-" #varname__,         \
-                                     dashes__, '\0',                     \
-                                     default_value__ ? "false" : "true", \
-                                     no_helpstring__, NULL, false, this) \
+                                    dashes__, '\0',                     \
+                                    default_value__ ? "false" : "true", \
+                                    no_helpstring__, NULL, false, this) \
     { }                                                                  \
-                                                                         \
+                                                                        \
     void                                                                 \
     parse_to_value(const char*, const char*,                             \
-                   Command_line*, General_options* options)              \
+                  Command_line*, General_options* options)              \
     { options->set_enable_##varname__(false); }                          \
-                                                                         \
+                                                                        \
     options::One_option option;                                          \
   };                                                                     \
   Struct_disable_##varname__ disable_##varname__##_initializer_
 
 #define DEFINE_int(varname__, dashes__, shortname__, default_value__,   \
-                   helpstring__, helparg__)                             \
+                  helpstring__, helparg__)                             \
   DEFINE_var(varname__, dashes__, shortname__, default_value__,         \
-             #default_value__, helpstring__, helparg__, false,         \
-             int, int, options::parse_int)
+            #default_value__, helpstring__, helparg__, false,          \
+            int, int, options::parse_int)
 
 #define DEFINE_uint(varname__, dashes__, shortname__, default_value__,  \
-                   helpstring__, helparg__)                             \
+                  helpstring__, helparg__)                             \
   DEFINE_var(varname__, dashes__, shortname__, default_value__,         \
-             #default_value__, helpstring__, helparg__, false,         \
-             int, int, options::parse_uint)
+            #default_value__, helpstring__, helparg__, false,          \
+            int, int, options::parse_uint)
 
 #define DEFINE_uint64(varname__, dashes__, shortname__, default_value__, \
-                      helpstring__, helparg__)                           \
+                     helpstring__, helparg__)                           \
   DEFINE_var(varname__, dashes__, shortname__, default_value__,          \
-             #default_value__, helpstring__, helparg__, false,          \
-             uint64_t, uint64_t, options::parse_uint64)
+            #default_value__, helpstring__, helparg__, false,           \
+            uint64_t, uint64_t, options::parse_uint64)
 
 #define DEFINE_double(varname__, dashes__, shortname__, default_value__, \
                      helpstring__, helparg__)                           \
@@ -387,19 +387,19 @@ struct Struct_special : public Struct_var
             double, double, options::parse_percent)
 
 #define DEFINE_string(varname__, dashes__, shortname__, default_value__, \
-                      helpstring__, helparg__)                           \
+                     helpstring__, helparg__)                           \
   DEFINE_var(varname__, dashes__, shortname__, default_value__,          \
-             default_value__, helpstring__, helparg__, false,           \
-             const char*, const char*, options::parse_string)
+            default_value__, helpstring__, helparg__, false,            \
+            const char*, const char*, options::parse_string)
 
 // This is like DEFINE_string, but we convert each occurrence to a
 // Search_directory and store it in a vector.  Thus we also have the
 // add_to_VARNAME() method, to append to the vector.
 #define DEFINE_dirlist(varname__, dashes__, shortname__,                  \
-                           helpstring__, helparg__)                       \
+                          helpstring__, helparg__)                       \
   DEFINE_var(varname__, dashes__, shortname__, ,                          \
-             "", helpstring__, helparg__, false, options::Dir_list,      \
-             const options::Dir_list&, options::parse_dirlist)            \
+            "", helpstring__, helparg__, false, options::Dir_list,       \
+            const options::Dir_list&, options::parse_dirlist)            \
   void                                                                    \
   add_to_##varname__(const char* new_value)                               \
   { options::parse_dirlist(NULL, new_value, &this->varname__##_.value); } \
@@ -409,10 +409,10 @@ struct Struct_special : public Struct_var
 
 // This is like DEFINE_string, but we store a set of strings.
 #define DEFINE_set(varname__, dashes__, shortname__,                      \
-                   helpstring__, helparg__)                               \
+                  helpstring__, helparg__)                               \
   DEFINE_var(varname__, dashes__, shortname__, ,                          \
-             "", helpstring__, helparg__, false, options::String_set,     \
-             const options::String_set&, options::parse_set)              \
+            "", helpstring__, helparg__, false, options::String_set,     \
+            const options::String_set&, options::parse_set)              \
  public:                                                                  \
   bool                                                                    \
   any_##varname__() const                                                 \
@@ -422,8 +422,8 @@ struct Struct_special : public Struct_var
   is_##varname__(const char* symbol) const                                \
   {                                                                       \
     return (!this->varname__##_.value.empty()                             \
-            && (this->varname__##_.value.find(std::string(symbol))        \
-                != this->varname__##_.value.end()));                      \
+           && (this->varname__##_.value.find(std::string(symbol))        \
+               != this->varname__##_.value.end()));                      \
   }                                                                      \
                                                                          \
   options::String_set::const_iterator                                    \
@@ -438,17 +438,17 @@ struct Struct_special : public Struct_var
 // After helparg__ should come an initializer list, like
 //   {"foo", "bar", "baz"}
 #define DEFINE_enum(varname__, dashes__, shortname__, default_value__,   \
-                    helpstring__, helparg__, ...)                        \
+                   helpstring__, helparg__, ...)                        \
   DEFINE_var(varname__, dashes__, shortname__, default_value__,          \
-             default_value__, helpstring__, helparg__, false,           \
-             const char*, const char*, parse_choices_##varname__)        \
+            default_value__, helpstring__, helparg__, false,            \
+            const char*, const char*, parse_choices_##varname__)        \
  private:                                                                \
   static void parse_choices_##varname__(const char* option_name,         \
-                                        const char* arg,                 \
-                                        const char** retval) {           \
+                                       const char* arg,                 \
+                                       const char** retval) {           \
     const char* choices[] = __VA_ARGS__;                                 \
     options::parse_choices(option_name, arg, retval,                     \
-                           choices, sizeof(choices) / sizeof(*choices)); \
+                          choices, sizeof(choices) / sizeof(*choices)); \
   }
 
 // This is like DEFINE_bool, but VARNAME is the name of a different
@@ -498,22 +498,48 @@ 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
 // General_options; you are responsible for defining it there.
 // helparg__ should be NULL iff this special-option is a boolean.
 #define DEFINE_special(varname__, dashes__, shortname__,                \
-                       helpstring__, helparg__)                         \
+                      helpstring__, helparg__)                         \
  private:                                                               \
   void parse_##varname__(const char* option, const char* arg,           \
-                         Command_line* inputs);                         \
+                        Command_line* inputs);                         \
   struct Struct_##varname__ : public options::Struct_special            \
   {                                                                     \
     Struct_##varname__()                                                \
       : options::Struct_special(#varname__, dashes__, shortname__,      \
-                                &General_options::parse_##varname__,    \
-                                helpstring__, helparg__)                \
+                               &General_options::parse_##varname__,    \
+                               helpstring__, helparg__)                \
     { }                                                                 \
   };                                                                    \
   Struct_##varname__ varname__##_initializer_
@@ -525,8 +551,8 @@ struct Struct_special : public Struct_var
                               default_value__,                         \
                               helpstring__, helparg__)                 \
   DEFINE_var(varname__, dashes__, shortname__, default_value__,                \
-             default_value__, helpstring__, helparg__, true,           \
-             const char*, const char*, options::parse_optional_string)
+            default_value__, helpstring__, helparg__, true,            \
+            const char*, const char*, options::parse_optional_string)
 
 // A directory to search.  For each directory we record whether it is
 // in the sysroot.  We need to know this so that, if a linker script
@@ -543,7 +569,7 @@ class Search_directory
   { }
 
   // This is the usual constructor.
-  Search_directory(const char* name, bool put_in_sysroot)
+  Search_directory(const std::string& name, bool put_in_sysroot)
     : name_(name), put_in_sysroot_(put_in_sysroot), is_in_sysroot_(false)
   {
     if (this->name_.empty())
@@ -594,11 +620,11 @@ class General_options
   // NOTE: For every option that you add here, also consider if you
   // should add it to Position_dependent_options.
   DEFINE_special(help, options::TWO_DASHES, '\0',
-                 N_("Report usage information"), NULL);
+                N_("Report usage information"), NULL);
   DEFINE_special(version, options::TWO_DASHES, 'v',
-                 N_("Report version information"), NULL);
+                N_("Report version information"), NULL);
   DEFINE_special(V, options::EXACTLY_ONE_DASH, '\0',
-                 N_("Report version and target information"), NULL);
+                N_("Report version and target information"), NULL);
 
   // These options are sorted approximately so that for each letter in
   // the alphabet, we show the option whose shortname is that letter
@@ -615,12 +641,17 @@ class General_options
                    N_("Do not allow multiple definitions"), false);
 
   DEFINE_bool(allow_shlib_undefined, options::TWO_DASHES, '\0', false,
-              N_("Allow unresolved references in shared libraries"),
-              N_("Do not allow unresolved references in shared libraries"));
+             N_("Allow unresolved references in shared libraries"),
+             N_("Do not allow unresolved references in shared libraries"));
+
+  DEFINE_bool(apply_dynamic_relocs, options::TWO_DASHES, '\0', true,
+             N_("Apply link-time values for dynamic relocations (default)"),
+             N_("(aarch64 only) Do not apply link-time values "
+                "for dynamic relocations"));
 
   DEFINE_bool(as_needed, options::TWO_DASHES, '\0', false,
-              N_("Only set DT_NEEDED for shared libraries if used"),
-              N_("Always DT_NEEDED for shared libraries"));
+             N_("Only set DT_NEEDED for shared libraries if used"),
+             N_("Always DT_NEEDED for shared libraries"));
 
   DEFINE_enum(assert, options::ONE_DASH, '\0', NULL,
              N_("Ignored"), N_("[ignored]"),
@@ -631,10 +662,10 @@ class General_options
   // accept any string.  We'll fail later (when the string is parsed),
   // if the target isn't actually supported.
   DEFINE_string(format, options::TWO_DASHES, 'b', "elf",
-                N_("Set input format"), ("[elf,binary]"));
+               N_("Set input format"), ("[elf,binary]"));
 
   DEFINE_bool(Bdynamic, options::ONE_DASH, '\0', true,
-              N_("-l searches for shared libraries"), NULL);
+             N_("-l searches for shared libraries"), NULL);
   DEFINE_bool_alias(Bstatic, Bdynamic, options::ONE_DASH, '\0',
                    N_("-l does not search for shared libraries"), NULL,
                    true);
@@ -643,31 +674,39 @@ class General_options
   DEFINE_bool_alias(dn, Bdynamic, options::ONE_DASH, '\0',
                    N_("alias for -Bstatic"), NULL, true);
 
+  DEFINE_bool(be8,options::TWO_DASHES, '\0', false,
+             N_("Output BE8 format image"), NULL);
+
+  DEFINE_bool(Bgroup, options::ONE_DASH, '\0', false,
+             N_("Use group name lookup rules for shared library"), NULL);
+
   DEFINE_bool(Bsymbolic, options::ONE_DASH, '\0', false,
-              N_("Bind defined symbols locally"), NULL);
+             N_("Bind defined symbols locally"), NULL);
 
   DEFINE_bool(Bsymbolic_functions, options::ONE_DASH, '\0', false,
              N_("Bind defined function symbols locally"), NULL);
 
-  DEFINE_optional_string(build_id, options::TWO_DASHES, '\0', "sha1",
+  DEFINE_optional_string(build_id, options::TWO_DASHES, '\0', "tree",
                         N_("Generate build ID note"),
                         N_("[=STYLE]"));
 
+  DEFINE_uint64(build_id_chunk_size_for_treehash,
+               options::TWO_DASHES, '\0', 2 << 20,
+               N_("Chunk size for '--build-id=tree'"), N_("SIZE"));
+
+  DEFINE_uint64(build_id_min_file_size_for_treehash, options::TWO_DASHES,
+               '\0', 40 << 20,
+               N_("Minimum output file size for '--build-id=tree' to work"
+                  " differently than '--build-id=sha1'"), N_("SIZE"));
+
   DEFINE_bool(check_sections, options::TWO_DASHES, '\0', true,
              N_("Check segment addresses for overlaps (default)"),
              N_("Do not check segment addresses for overlaps"));
 
-#ifdef HAVE_ZLIB_H
   DEFINE_enum(compress_debug_sections, options::TWO_DASHES, '\0', "none",
-              N_("Compress .debug_* sections in the output file"),
-              ("[none,zlib]"),
-              {"none", "zlib"});
-#else
-  DEFINE_enum(compress_debug_sections, options::TWO_DASHES, '\0', "none",
-              N_("Compress .debug_* sections in the output file"),
-              N_("[none]"),
-              {"none"});
-#endif
+             N_("Compress .debug_* sections in the output file"),
+             ("[none,zlib,zlib-gnu,zlib-gabi]"),
+             {"none", "zlib", "zlib-gnu", "zlib-gabi"});
 
   DEFINE_bool(copy_dt_needed_entries, options::TWO_DASHES, '\0', false,
              N_("Not supported"),
@@ -682,19 +721,19 @@ class General_options
              N_("Handle constructors as directed by compiler"));
 
   DEFINE_bool(define_common, options::TWO_DASHES, 'd', false,
-              N_("Define common symbols"),
-              N_("Do not define common symbols"));
+             N_("Define common symbols"),
+             N_("Do not define common symbols"));
   DEFINE_bool(dc, options::ONE_DASH, '\0', false,
-              N_("Alias for -d"), NULL);
+             N_("Alias for -d"), NULL);
   DEFINE_bool(dp, options::ONE_DASH, '\0', false,
-              N_("Alias for -d"), NULL);
+             N_("Alias for -d"), NULL);
 
   DEFINE_string(debug, options::TWO_DASHES, '\0', "",
-                N_("Turn on debugging"),
-                N_("[all,files,script,task][,...]"));
+               N_("Turn on debugging"),
+               N_("[all,files,script,task][,...]"));
 
   DEFINE_special(defsym, options::TWO_DASHES, '\0',
-                 N_("Define a symbol"), N_("SYMBOL=EXPRESSION"));
+                N_("Define a symbol"), N_("SYMBOL=EXPRESSION"));
 
   DEFINE_optional_string(demangle, options::TWO_DASHES, '\0', NULL,
                         N_("Demangle C++ symbols in log messages"),
@@ -705,46 +744,51 @@ class General_options
              NULL);
 
   DEFINE_bool(detect_odr_violations, options::TWO_DASHES, '\0', false,
-              N_("Look for violations of the C++ One Definition Rule"),
+             N_("Look for violations of the C++ One Definition Rule"),
              N_("Do not look for violations of the C++ One Definition Rule"));
 
-  DEFINE_bool(discard_all, options::TWO_DASHES, 'x', false,
-             N_("Delete all local symbols"), NULL);
-  DEFINE_bool(discard_locals, options::TWO_DASHES, 'X', false,
-              N_("Delete all temporary local symbols"), NULL);
+  DEFINE_special(discard_all, options::TWO_DASHES, 'x',
+                N_("Delete all local symbols"), NULL);
+  DEFINE_special(discard_locals, options::TWO_DASHES, 'X',
+                N_("Delete all temporary local symbols"), NULL);
+  DEFINE_special(discard_none, options::TWO_DASHES, '\0',
+                N_("Keep all local symbols"), NULL);
 
   DEFINE_bool(dynamic_list_data, options::TWO_DASHES, '\0', false,
-              N_("Add data symbols to dynamic symbols"), NULL);
+             N_("Add data symbols to dynamic symbols"), NULL);
 
   DEFINE_bool(dynamic_list_cpp_new, options::TWO_DASHES, '\0', false,
-              N_("Add C++ operator new/delete to dynamic symbols"), NULL);
+             N_("Add C++ operator new/delete to dynamic symbols"), NULL);
 
   DEFINE_bool(dynamic_list_cpp_typeinfo, options::TWO_DASHES, '\0', false,
-              N_("Add C++ typeinfo to dynamic symbols"), NULL);
+             N_("Add C++ typeinfo to dynamic symbols"), NULL);
 
   DEFINE_special(dynamic_list, options::TWO_DASHES, '\0',
-                 N_("Read a list of dynamic symbols"), N_("FILE"));
+                N_("Read a list of dynamic symbols"), N_("FILE"));
 
   DEFINE_string(entry, options::TWO_DASHES, 'e', NULL,
-                N_("Set program start address"), N_("ADDRESS"));
+               N_("Set program start address"), N_("ADDRESS"));
 
   DEFINE_special(exclude_libs, options::TWO_DASHES, '\0',
                 N_("Exclude libraries from automatic export"),
                 N_(("lib,lib ...")));
 
   DEFINE_bool(export_dynamic, options::TWO_DASHES, 'E', false,
-              N_("Export all dynamic symbols"),
+             N_("Export all dynamic symbols"),
              N_("Do not export all dynamic symbols (default)"));
 
+  DEFINE_set(export_dynamic_symbol, options::TWO_DASHES, '\0',
+            N_("Export SYMBOL to dynamic symbol table"), N_("SYMBOL"));
+
   DEFINE_special(EB, options::ONE_DASH, '\0',
                 N_("Link big-endian objects."), NULL);
 
-  DEFINE_bool(eh_frame_hdr, options::TWO_DASHES, '\0', false,
-              N_("Create exception frame header"), NULL);
-
   DEFINE_special(EL, options::ONE_DASH, '\0',
                 N_("Link little-endian objects."), NULL);
 
+  DEFINE_bool(eh_frame_hdr, options::TWO_DASHES, '\0', false,
+             N_("Create exception frame header"), NULL);
+
   DEFINE_bool(enum_size_warning, options::TWO_DASHES, '\0', true, NULL,
              N_("(ARM only) Do not warn about objects with incompatible "
                 "enum sizes"));
@@ -762,30 +806,54 @@ class General_options
              N_("Do not treat warnings as errors"));
 
   DEFINE_string(fini, options::ONE_DASH, '\0', "_fini",
-                N_("Call SYMBOL at unload-time"), N_("SYMBOL"));
+               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_bool(fix_cortex_a53_843419, options::TWO_DASHES, '\0', false,
+             N_("(AArch64 only) Fix Cortex-A53 erratum 843419."),
+             N_("(AArch64 only) Do not fix Cortex-A53 erratum 843419."));
+
+  DEFINE_bool(fix_cortex_a53_835769, options::TWO_DASHES, '\0', false,
+             N_("(AArch64 only) Fix Cortex-A53 erratum 835769."),
+             N_("(AArch64 only) Do not fix Cortex-A53 erratum 835769."));
+
+  DEFINE_bool(fix_arm1176, options::TWO_DASHES, '\0', true,
+             N_("(ARM only) Fix binaries for ARM1176 erratum."),
+             N_("(ARM only) Do not fix binaries for ARM1176 erratum."));
+
   DEFINE_bool(merge_exidx_entries, options::TWO_DASHES, '\0', true,
              N_("(ARM only) Merge exidx entries in debuginfo."),
              N_("(ARM only) Do not merge exidx entries in debuginfo."));
 
   DEFINE_special(fix_v4bx, options::TWO_DASHES, '\0',
-                 N_("(ARM only) Rewrite BX rn as MOV pc, rn for ARMv4"),
-                 NULL);
+                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);
+                N_("(ARM only) Rewrite BX rn branch to ARMv4 interworking "
+                   "veneer"),
+                NULL);
+
+  DEFINE_bool(long_plt, options::TWO_DASHES, '\0', false,
+             N_("(ARM only) Generate long PLT entries"),
+             N_("(ARM only) Do not generate long PLT entries"));
 
   DEFINE_bool(g, options::EXACTLY_ONE_DASH, '\0', false,
              N_("Ignored"), NULL);
 
+  DEFINE_bool(gdb_index, options::TWO_DASHES, '\0', false,
+             N_("Generate .gdb_index section"),
+             N_("Do not generate .gdb_index section"));
+
+  DEFINE_bool(gnu_unique, options::TWO_DASHES, '\0', true,
+             N_("Enable STB_GNU_UNIQUE symbol binding (default)"),
+             N_("Disable STB_GNU_UNIQUE symbol binding"));
+
   DEFINE_string(soname, options::ONE_DASH, 'h', NULL,
-                N_("Set shared library name"), N_("FILENAME"));
+               N_("Set shared library name"), N_("FILENAME"));
 
   DEFINE_double(hash_bucket_empty_fraction, options::TWO_DASHES, '\0', 0.0,
                N_("Min fraction of empty buckets in dynamic hash"),
@@ -796,7 +864,7 @@ class General_options
              {"sysv", "gnu", "both"});
 
   DEFINE_string(dynamic_linker, options::TWO_DASHES, 'I', NULL,
-                N_("Set dynamic linker path"), N_("PROGRAM"));
+               N_("Set dynamic linker path"), N_("PROGRAM"));
 
   DEFINE_special(incremental, options::TWO_DASHES, '\0',
                 N_("Do an incremental link if possible; "
@@ -814,21 +882,21 @@ class General_options
                 N_("Do an incremental link; exit if not possible"), NULL);
 
   DEFINE_string(incremental_base, options::TWO_DASHES, '\0', NULL,
-                N_("Set base file for incremental linking"
-                   " (default is output file)"),
-                N_("FILE"));
+               N_("Set base file for incremental linking"
+                  " (default is output file)"),
+               N_("FILE"));
 
   DEFINE_special(incremental_changed, options::TWO_DASHES, '\0',
-                 N_("Assume files changed"), NULL);
+                N_("Assume files changed"), NULL);
 
   DEFINE_special(incremental_unchanged, options::TWO_DASHES, '\0',
-                 N_("Assume files didn't change"), NULL);
+                N_("Assume files didn't change"), NULL);
 
   DEFINE_special(incremental_unknown, options::TWO_DASHES, '\0',
-                 N_("Use timestamps to check files (default)"), NULL);
+                N_("Use timestamps to check files (default)"), NULL);
 
   DEFINE_special(incremental_startup_unchanged, options::TWO_DASHES, '\0',
-                 N_("Assume startup files unchanged "
+                N_("Assume startup files unchanged "
                    "(files preceding this option)"), NULL);
 
   DEFINE_percent(incremental_patch, options::TWO_DASHES, '\0', 10,
@@ -836,40 +904,53 @@ class General_options
                 N_("PERCENT"));
 
   DEFINE_string(init, options::ONE_DASH, '\0', "_init",
-                N_("Call SYMBOL at load-time"), N_("SYMBOL"));
+               N_("Call SYMBOL at load-time"), N_("SYMBOL"));
 
   DEFINE_special(just_symbols, options::TWO_DASHES, '\0',
-                 N_("Read only symbol values from FILE"), N_("FILE"));
+                N_("Read only symbol values from FILE"), N_("FILE"));
 
   DEFINE_bool(map_whole_files, options::TWO_DASHES, '\0',
              sizeof(void*) >= 8,
-              N_("Map whole files to memory (default on 64-bit hosts)"),
-              N_("Map relevant file parts to memory (default on 32-bit "
-                 "hosts)"));
+             N_("Map whole files to memory (default on 64-bit hosts)"),
+             N_("Map relevant file parts to memory (default on 32-bit "
+                "hosts)"));
   DEFINE_bool(keep_files_mapped, options::TWO_DASHES, '\0', true,
-              N_("Keep files mapped across passes (default)"),
-              N_("Release mapped files after each pass"));
+             N_("Keep files mapped across passes (default)"),
+             N_("Release mapped files after each pass"));
 
   DEFINE_bool(ld_generated_unwind_info, options::TWO_DASHES, '\0', true,
              N_("Generate unwind information for PLT (default)"),
              N_("Do not generate unwind information for PLT"));
 
   DEFINE_special(library, options::TWO_DASHES, 'l',
-                 N_("Search for library LIBNAME"), N_("LIBNAME"));
+                N_("Search for library LIBNAME"), N_("LIBNAME"));
 
   DEFINE_dirlist(library_path, options::TWO_DASHES, 'L',
-                 N_("Add directory to search path"), N_("DIR"));
+                N_("Add directory to search path"), N_("DIR"));
+
+  DEFINE_bool(text_reorder, options::TWO_DASHES, '\0', true,
+             N_("Enable text section reordering for GCC section names "
+                "(default)"),
+             N_("Disable text section reordering for GCC section names"));
 
   DEFINE_bool(nostdlib, options::ONE_DASH, '\0', false,
-              N_(" Only search directories specified on the command line."),
-              NULL);
+             N_("Only search directories specified on the command line."),
+             NULL);
 
   DEFINE_bool(rosegment, options::TWO_DASHES, '\0', false,
-              N_(" Put read-only non-executable sections in their own segment"),
-              NULL);
+             N_("Put read-only non-executable sections in their own segment"),
+             NULL);
+
+  DEFINE_uint64(rosegment_gap, options::TWO_DASHES, '\0', -1U,
+               N_("Set offset between executable and read-only segments"),
+               N_("OFFSET"));
 
   DEFINE_string(m, options::EXACTLY_ONE_DASH, 'm', "",
-                N_("Set GNU linker emulation; obsolete"), N_("EMULATION"));
+               N_("Set GNU linker emulation; obsolete"), N_("EMULATION"));
+
+  DEFINE_bool(mmap_output_file, options::TWO_DASHES, '\0', true,
+             N_("Map the output file for writing (default)."),
+             N_("Do not map the output file for writing."));
 
   DEFINE_bool(print_map, options::TWO_DASHES, 'M', false,
              N_("Write map file on standard output"), NULL);
@@ -882,7 +963,7 @@ class General_options
              N_("Do not page align data, do not make text readonly"),
              N_("Page align data, make text readonly"));
 
-  DEFINE_enable(new_dtags, options::EXACTLY_TWO_DASHES, '\0', false,
+  DEFINE_enable(new_dtags, options::EXACTLY_TWO_DASHES, '\0', true,
                N_("Enable use of DT_RUNPATH and DT_FLAGS"),
                N_("Disable use of DT_RUNPATH and DT_FLAGS"));
 
@@ -894,10 +975,10 @@ class General_options
                    NULL, false);
 
   DEFINE_string(output, options::TWO_DASHES, 'o', "a.out",
-                N_("Set output file name"), N_("FILE"));
+               N_("Set output file name"), N_("FILE"));
 
   DEFINE_uint(optimize, options::EXACTLY_ONE_DASH, 'O', 0,
-              N_("Optimize output file size"), N_("LEVEL"));
+             N_("Optimize output file size"), N_("LEVEL"));
 
   DEFINE_string(oformat, options::EXACTLY_TWO_DASHES, '\0', "elf",
                N_("Set output format"), N_("[binary]"));
@@ -906,23 +987,49 @@ class General_options
              N_("(ARM only) Ignore for backward compatibility"), NULL);
 
   DEFINE_bool(pie, options::ONE_DASH, '\0', false,
-             N_("Create a position independent executable"), NULL);
+             N_("Create a position independent executable"),
+             N_("Do not create a position independent executable"));
   DEFINE_bool_alias(pic_executable, pie, options::TWO_DASHES, '\0',
-                   N_("Create a position independent executable"), NULL,
+                   N_("Create a position independent executable"),
+                   N_("Do not create a position independent executable"),
                    false);
 
+  DEFINE_bool(pic_veneer, options::TWO_DASHES, '\0', false,
+             N_("Force PIC sequences for ARM/Thumb interworking veneers"),
+             NULL);
+
   DEFINE_bool(pipeline_knowledge, options::ONE_DASH, '\0', false,
              NULL, N_("(ARM only) Ignore for backward compatibility"));
 
+  DEFINE_var(plt_align, options::TWO_DASHES, '\0', 0, "5",
+            N_("(PowerPC64 only) Align PLT call stubs to fit cache lines"),
+            N_("[=P2ALIGN]"), true, int, int, options::parse_uint);
+
+  DEFINE_bool(plt_static_chain, options::TWO_DASHES, '\0', false,
+             N_("(PowerPC64 only) PLT call stubs should load r11"),
+             N_("(PowerPC64 only) PLT call stubs should not load r11"));
+
+  DEFINE_bool(plt_thread_safe, options::TWO_DASHES, '\0', false,
+             N_("(PowerPC64 only) PLT call stubs with load-load barrier"),
+             N_("(PowerPC64 only) PLT call stubs without barrier"));
+
 #ifdef ENABLE_PLUGINS
   DEFINE_special(plugin, options::TWO_DASHES, '\0',
-                 N_("Load a plugin library"), N_("PLUGIN"));
+                N_("Load a plugin library"), N_("PLUGIN"));
   DEFINE_special(plugin_opt, options::TWO_DASHES, '\0',
-                 N_("Pass an option to the plugin"), N_("OPTION"));
+                N_("Pass an option to the plugin"), N_("OPTION"));
 #endif
 
+  DEFINE_bool(posix_fallocate, options::TWO_DASHES, '\0', true,
+             N_("Use posix_fallocate to reserve space in the output file"
+                " (default)."),
+             N_("Use fallocate or ftruncate to reserve space."));
+
   DEFINE_bool(preread_archive_symbols, options::TWO_DASHES, '\0', false,
-              N_("Preread archive symbols when multi-threaded"), NULL);
+             N_("Preread archive symbols when multi-threaded"), NULL);
+
+  DEFINE_bool(print_output_format, options::TWO_DASHES, '\0', false,
+             N_("Print default output format"), NULL);
 
   DEFINE_string(print_symbol_counts, options::TWO_DASHES, '\0', NULL,
                N_("Print symbols defined and used for each input"),
@@ -932,10 +1039,10 @@ class General_options
              N_("Ignored for SVR4 compatibility"), NULL);
 
   DEFINE_bool(emit_relocs, options::TWO_DASHES, 'q', false,
-              N_("Generate relocations in output"), NULL);
+             N_("Generate relocations in output"), NULL);
 
   DEFINE_bool(relocatable, options::EXACTLY_ONE_DASH, 'r', false,
-              N_("Generate relocatable output"), NULL);
+             N_("Generate relocatable output"), NULL);
   DEFINE_bool_alias(i, relocatable, options::EXACTLY_ONE_DASH, '\0',
                    N_("Synonym for -r"), NULL, false);
 
@@ -943,20 +1050,20 @@ class General_options
              N_("Relax branches on certain targets"), NULL);
 
   DEFINE_string(retain_symbols_file, options::TWO_DASHES, '\0', NULL,
-                N_("keep only symbols listed in this file"), N_("FILE"));
+               N_("keep only symbols listed in this file"), N_("FILE"));
 
   // -R really means -rpath, but can mean --just-symbols for
   // compatibility with GNU ld.  -rpath is always -rpath, so we list
   // it separately.
   DEFINE_special(R, options::EXACTLY_ONE_DASH, 'R',
-                 N_("Add DIR to runtime search path"), N_("DIR"));
+                N_("Add DIR to runtime search path"), N_("DIR"));
 
   DEFINE_dirlist(rpath, options::ONE_DASH, '\0',
-                 N_("Add DIR to runtime search path"), N_("DIR"));
+                N_("Add DIR to runtime search path"), N_("DIR"));
 
   DEFINE_dirlist(rpath_link, options::TWO_DASHES, '\0',
-                 N_("Add DIR to link time shared library search path"),
-                 N_("DIR"));
+                N_("Add DIR to link time shared library search path"),
+                N_("DIR"));
 
   DEFINE_string(section_ordering_file, options::TWO_DASHES, '\0', NULL,
                N_("Layout sections in the order specified."),
@@ -969,37 +1076,44 @@ class General_options
                         N_("Sort common symbols by alignment"),
                         N_("[={ascending,descending}]"));
 
+  DEFINE_enum(sort_section, options::TWO_DASHES, '\0', "none",
+             N_("Sort sections by name.  \'--no-text-reorder\'"
+                " will override \'--sort-section=name\' for .text"),
+             N_("[none,name]"),
+             {"none", "name"});
+
   DEFINE_uint(spare_dynamic_tags, options::TWO_DASHES, '\0', 5,
              N_("Dynamic tag slots to reserve (default 5)"),
              N_("COUNT"));
 
   DEFINE_bool(strip_all, options::TWO_DASHES, 's', false,
-              N_("Strip all symbols"), NULL);
+             N_("Strip all symbols"), NULL);
   DEFINE_bool(strip_debug, options::TWO_DASHES, 'S', false,
-              N_("Strip debugging information"), NULL);
+             N_("Strip debugging information"), NULL);
   DEFINE_bool(strip_debug_non_line, options::TWO_DASHES, '\0', false,
-              N_("Emit only debug line number information"), NULL);
+             N_("Emit only debug line number information"), NULL);
   DEFINE_bool(strip_debug_gdb, options::TWO_DASHES, '\0', false,
-              N_("Strip debug symbols that are unused by gdb "
-                 "(at least versions <= 6.7)"), NULL);
+             N_("Strip debug symbols that are unused by gdb "
+                "(at least versions <= 7.4)"), NULL);
   DEFINE_bool(strip_lto_sections, options::TWO_DASHES, '\0', true,
-              N_("Strip LTO intermediate code sections"), NULL);
+             N_("Strip LTO intermediate code sections"), NULL);
 
   DEFINE_int(stub_group_size, options::TWO_DASHES , '\0', 1,
-             N_("(ARM only) The maximum distance from instructions in a group "
-               "of sections to their stubs.  Negative values mean stubs "
-               "are always after the group. 1 means using default size.\n"),
+            N_("(ARM, PowerPC only) The maximum distance from instructions "
+               "in a group of sections to their stubs.  Negative values mean "
+               "stubs are always after (PowerPC before) the group.  1 means "
+               "use default size.\n"),
             N_("SIZE"));
 
   DEFINE_bool(no_keep_memory, options::TWO_DASHES, '\0', false,
-              N_("Use less memory and more disk I/O "
-                 "(included only for compatibility with GNU ld)"), NULL);
+             N_("Use less memory and more disk I/O "
+                "(included only for compatibility with GNU ld)"), NULL);
 
   DEFINE_bool(shared, options::ONE_DASH, 'G', false,
-              N_("Generate shared library"), NULL);
+             N_("Generate shared library"), NULL);
 
   DEFINE_bool(Bshareable, options::ONE_DASH, '\0', false,
-              N_("Generate shared library"), NULL);
+             N_("Generate shared library"), NULL);
 
   DEFINE_uint(split_stack_adjust_size, options::TWO_DASHES, '\0', 0x4000,
              N_("Stack size when -fsplit-stack function calls non-split"),
@@ -1008,72 +1122,103 @@ class General_options
   // This is not actually special in any way, but I need to give it
   // a non-standard accessor-function name because 'static' is a keyword.
   DEFINE_special(static, options::ONE_DASH, '\0',
-                 N_("Do not link against shared libraries"), NULL);
+                N_("Do not link against shared libraries"), NULL);
 
   DEFINE_enum(icf, options::TWO_DASHES, '\0', "none",
-              N_("Identical Code Folding. "
-                 "\'--icf=safe\' Folds ctors, dtors and functions whose"
-                 " pointers are definitely not taken."),
-             ("[none,all,safe]"),      
-              {"none", "all", "safe"});
+             N_("Identical Code Folding. "
+                "\'--icf=safe\' Folds ctors, dtors and functions whose"
+                " pointers are definitely not taken."),
+             ("[none,all,safe]"),
+             {"none", "all", "safe"});
 
   DEFINE_uint(icf_iterations, options::TWO_DASHES , '\0', 0,
-              N_("Number of iterations of ICF (default 2)"), N_("COUNT"));
+             N_("Number of iterations of ICF (default 2)"), N_("COUNT"));
 
   DEFINE_bool(print_icf_sections, options::TWO_DASHES, '\0', false,
-              N_("List folded identical sections on stderr"),
-              N_("Do not list folded identical sections"));
+             N_("List folded identical sections on stderr"),
+             N_("Do not list folded identical sections"));
 
   DEFINE_set(keep_unique, options::TWO_DASHES, '\0',
             N_("Do not fold this symbol during ICF"), N_("SYMBOL"));
 
   DEFINE_bool(gc_sections, options::TWO_DASHES, '\0', false,
-              N_("Remove unused sections"),
-              N_("Don't remove unused sections (default)"));
+             N_("Remove unused sections"),
+             N_("Don't remove unused sections (default)"));
 
   DEFINE_bool(print_gc_sections, options::TWO_DASHES, '\0', false,
-              N_("List removed unused sections on stderr"),
-              N_("Do not list removed unused sections"));
+             N_("List removed unused sections on stderr"),
+             N_("Do not list removed unused sections"));
 
   DEFINE_bool(stats, options::TWO_DASHES, '\0', false,
-              N_("Print resource usage statistics"), NULL);
+             N_("Print resource usage statistics"), NULL);
 
   DEFINE_string(sysroot, options::TWO_DASHES, '\0', "",
-                N_("Set target system root directory"), N_("DIR"));
+               N_("Set target system root directory"), N_("DIR"));
+
+  DEFINE_bool(target1_rel, options::TWO_DASHES, '\0', false,
+             N_("(ARM only) Force R_ARM_TARGET1 type to R_ARM_REL32"),
+             NULL);
+  DEFINE_bool(target1_abs, options::TWO_DASHES, '\0', false,
+             N_("(ARM only) Force R_ARM_TARGET1 type to R_ARM_ABS32"),
+             NULL);
+  DEFINE_enum(target2, options::TWO_DASHES, '\0', NULL,
+             N_("(ARM only) Set R_ARM_TARGET2 relocation type"),
+             N_("[rel, abs, got-rel"),
+             {"rel", "abs", "got-rel"});
 
   DEFINE_bool(trace, options::TWO_DASHES, 't', false,
-              N_("Print the name of each input file"), NULL);
+             N_("Print the name of each input file"), NULL);
 
   DEFINE_special(script, options::TWO_DASHES, 'T',
-                 N_("Read linker script"), N_("FILE"));
+                N_("Read linker script"), N_("FILE"));
 
   DEFINE_bool(threads, options::TWO_DASHES, '\0', false,
-              N_("Run the linker multi-threaded"),
-              N_("Do not run the linker multi-threaded"));
+             N_("Run the linker multi-threaded"),
+             N_("Do not run the linker multi-threaded"));
   DEFINE_uint(thread_count, options::TWO_DASHES, '\0', 0,
-              N_("Number of threads to use"), N_("COUNT"));
+             N_("Number of threads to use"), N_("COUNT"));
   DEFINE_uint(thread_count_initial, options::TWO_DASHES, '\0', 0,
-              N_("Number of threads to use in initial pass"), N_("COUNT"));
+             N_("Number of threads to use in initial pass"), N_("COUNT"));
   DEFINE_uint(thread_count_middle, options::TWO_DASHES, '\0', 0,
-              N_("Number of threads to use in middle pass"), N_("COUNT"));
+             N_("Number of threads to use in middle pass"), N_("COUNT"));
   DEFINE_uint(thread_count_final, options::TWO_DASHES, '\0', 0,
-              N_("Number of threads to use in final pass"), N_("COUNT"));
+             N_("Number of threads to use in final pass"), N_("COUNT"));
 
   DEFINE_uint64(Tbss, options::ONE_DASH, '\0', -1U,
-                N_("Set the address of the bss segment"), N_("ADDRESS"));
+               N_("Set the address of the bss segment"), N_("ADDRESS"));
   DEFINE_uint64(Tdata, options::ONE_DASH, '\0', -1U,
-                N_("Set the address of the data segment"), N_("ADDRESS"));
+               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"));
+               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_uint64(Trodata_segment, options::ONE_DASH, '\0', -1U,
+               N_("Set the address of the rodata segment"), N_("ADDRESS"));
+
+  DEFINE_bool(toc_optimize, options::TWO_DASHES, '\0', true,
+             N_("(PowerPC64 only) Optimize TOC code sequences"),
+             N_("(PowerPC64 only) Don't optimize TOC code sequences"));
+
+  DEFINE_bool(toc_sort, options::TWO_DASHES, '\0', true,
+             N_("(PowerPC64 only) Sort TOC and GOT sections"),
+             N_("(PowerPC64 only) Don't sort TOC and GOT sections"));
 
   DEFINE_set(undefined, options::TWO_DASHES, 'u',
             N_("Create undefined reference to SYMBOL"), N_("SYMBOL"));
 
+  DEFINE_enum(unresolved_symbols, options::TWO_DASHES, '\0', NULL,
+             N_("How to handle unresolved symbols"),
+             ("ignore-all,report-all,ignore-in-object-files,"
+              "ignore-in-shared-libs"),
+             {"ignore-all", "report-all", "ignore-in-object-files",
+                 "ignore-in-shared-libs"});
+
   DEFINE_bool(verbose, options::TWO_DASHES, '\0', false,
-              N_("Synonym for --debug=files"), NULL);
+             N_("Synonym for --debug=files"), NULL);
 
   DEFINE_special(version_script, options::TWO_DASHES, '\0',
-                 N_("Read version script"), N_("FILE"));
+                N_("Read version script"), N_("FILE"));
 
   DEFINE_bool(warn_common, options::TWO_DASHES, '\0', false,
              N_("Warn about duplicate common symbols"),
@@ -1107,20 +1252,23 @@ class General_options
                    options::TWO_DASHES, '\0',
                    N_("Report unresolved symbols as errors"),
                    NULL, true);
+  DEFINE_bool(weak_unresolved_symbols, options::TWO_DASHES, '\0', false,
+             N_("Convert unresolved symbols to weak references"),
+             NULL);
 
   DEFINE_bool(wchar_size_warning, options::TWO_DASHES, '\0', true, NULL,
              N_("(ARM only) Do not warn about objects with incompatible "
                 "wchar_t sizes"));
 
   DEFINE_bool(whole_archive, options::TWO_DASHES, '\0', false,
-              N_("Include all archive contents"),
-              N_("Include only needed archive contents"));
+             N_("Include all archive contents"),
+             N_("Include only needed archive contents"));
 
   DEFINE_set(wrap, options::TWO_DASHES, '\0',
             N_("Use wrapper functions for SYMBOL"), N_("SYMBOL"));
 
   DEFINE_set(trace_symbol, options::TWO_DASHES, 'y',
-             N_("Trace references to symbol"), N_("SYMBOL"));
+            N_("Trace references to symbol"), N_("SYMBOL"));
 
   DEFINE_bool(undefined_version, options::TWO_DASHES, '\0', true,
              N_("Allow unused version in script (default)"),
@@ -1131,15 +1279,19 @@ class General_options
                N_("PATH"));
 
   DEFINE_special(start_group, options::TWO_DASHES, '(',
-                 N_("Start a library search group"), NULL);
+                N_("Start a library search group"), NULL);
   DEFINE_special(end_group, options::TWO_DASHES, ')',
-                 N_("End a library search group"), NULL);
+                N_("End a library search group"), NULL);
 
 
   DEFINE_special(start_lib, options::TWO_DASHES, '\0',
-                 N_("Start a library"), NULL);
+                N_("Start a library"), NULL);
   DEFINE_special(end_lib, options::TWO_DASHES, '\0',
-                 N_("End a library "), NULL);
+                N_("End a library "), NULL);
+
+  DEFINE_string(fuse_ld, options::ONE_DASH, '\0', "",
+               N_("Ignored for GCC linker option compatibility"),
+               "");
 
   // The -z options.
 
@@ -1147,12 +1299,15 @@ class General_options
              N_("Sort dynamic relocs"),
              N_("Do not sort dynamic relocs"));
   DEFINE_uint64(common_page_size, options::DASH_Z, '\0', 0,
-                N_("Set common page size to SIZE"), N_("SIZE"));
+               N_("Set common page size to SIZE"), N_("SIZE"));
   DEFINE_bool(defs, options::DASH_Z, '\0', false,
-              N_("Report undefined symbols (even with --shared)"),
-              NULL);
+             N_("Report undefined symbols (even with --shared)"),
+             NULL);
   DEFINE_bool(execstack, options::DASH_Z, '\0', false,
-              N_("Mark output as requiring executable stack"), NULL);
+             N_("Mark output as requiring executable stack"), NULL);
+  DEFINE_bool(global, options::DASH_Z, '\0', false,
+             N_("Make symbols in DSO available for subsequently loaded "
+                "objects"), NULL);
   DEFINE_bool(initfirst, options::DASH_Z, '\0', false,
              N_("Mark DSO to be initialized first at runtime"),
              NULL);
@@ -1166,7 +1321,7 @@ class General_options
              N_("Mark object requiring immediate process"),
              NULL);
   DEFINE_uint64(max_page_size, options::DASH_Z, '\0', 0,
-                N_("Set maximum page size to SIZE"), N_("SIZE"));
+               N_("Set maximum page size to SIZE"), N_("SIZE"));
   DEFINE_bool(muldefs, options::DASH_Z, '\0', false,
              N_("Allow multiple definitions of symbols"),
              NULL);
@@ -1188,16 +1343,18 @@ class General_options
              N_("Mark DSO not available to dldump"),
              NULL);
   DEFINE_bool(noexecstack, options::DASH_Z, '\0', false,
-              N_("Mark output as not requiring executable stack"), NULL);
+             N_("Mark output as not requiring executable stack"), NULL);
   DEFINE_bool(now, options::DASH_Z, '\0', false,
              N_("Mark object for immediate function binding"),
              NULL);
   DEFINE_bool(origin, options::DASH_Z, '\0', false,
              N_("Mark DSO to indicate that needs immediate $ORIGIN "
-                 "processing at runtime"), NULL);
-  DEFINE_bool(relro, options::DASH_Z, '\0', false,
+                "processing at runtime"), NULL);
+  DEFINE_bool(relro, options::DASH_Z, '\0', DEFAULT_LD_Z_RELRO,
              N_("Where possible mark variables read-only after relocation"),
              N_("Don't mark variables read-only after relocation"));
+  DEFINE_uint64(stack_size, options::DASH_Z, '\0', 0,
+               N_("Set PT_GNU_STACK segment p_memsz to SIZE"), N_("SIZE"));
   DEFINE_bool(text, options::DASH_Z, '\0', false,
              N_("Do not permit relocations in read-only segments"),
              N_("Permit relocations in read-only segments (default)"));
@@ -1276,7 +1433,7 @@ class General_options
   should_retain_symbol(const char* symbol_name) const
     {
       if (symbols_to_retain_.empty())    // means flag wasn't specified
-        return true;
+       return true;
       return symbols_to_retain_.find(symbol_name) != symbols_to_retain_.end();
     }
 
@@ -1320,6 +1477,11 @@ class General_options
   in_dynamic_list(const char* symbol) const
   { return this->dynamic_list_.version_script_info()->symbol_is_local(symbol); }
 
+  // True if a --dynamic-list script was provided.
+  bool
+  have_dynamic_list() const
+  { return this->have_dynamic_list_; }
+
   // Finalize the dynamic list.
   void
   finalize_dynamic_list()
@@ -1368,6 +1530,11 @@ class General_options
   bool
   section_start(const char* secname, uint64_t* paddr) const;
 
+  // Return whether any --section-start option was used.
+  bool
+  any_section_start() const
+  { return !this->section_starts_.empty(); }
+
   enum Fix_v4bx
   {
     // Leave original instruction.
@@ -1393,11 +1560,36 @@ class General_options
   endianness() const
   { return this->endianness_; }
 
+  bool
+  discard_all() const
+  { return this->discard_locals_ == DISCARD_ALL; }
+
+  bool
+  discard_locals() const
+  { return this->discard_locals_ == DISCARD_LOCALS; }
+
+  bool
+  discard_sec_merge() const
+  { return this->discard_locals_ == DISCARD_SEC_MERGE; }
+
  private:
   // Don't copy this structure.
   General_options(const General_options&);
   General_options& operator=(const General_options&);
 
+  // What local symbols to discard.
+  enum Discard_locals
+  {
+    // Locals in merge sections (default).
+    DISCARD_SEC_MERGE,
+    // None (--discard-none).
+    DISCARD_NONE,
+    // Temporary locals (--discard-locals/-X).
+    DISCARD_LOCALS,
+    // All locals (--discard-all/-x).
+    DISCARD_ALL
+  };
+
   // Whether to mark the stack as executable.
   enum Execstack
   {
@@ -1414,7 +1606,7 @@ class General_options
     // Do not fold any functions (Default or --icf=none).
     ICF_NONE,
     // All functions are candidates for folding. (--icf=all).
-    ICF_ALL,   
+    ICF_ALL,
     // Only ctors and dtors are candidates for folding. (--icf=safe).
     ICF_SAFE
   };
@@ -1437,7 +1629,7 @@ class General_options
 
   // These are called by finalize() to set up the search-path correctly.
   void
-  add_to_library_path_with_sysroot(const char* arg)
+  add_to_library_path_with_sysroot(const std::string& arg)
   { this->add_search_directory_to_library_path(Search_directory(arg, true)); }
 
   // Apply any sysroot to the directory lists.
@@ -1468,6 +1660,8 @@ class General_options
   // script.cc, we store this as a Script_options object, even though
   // we only use a single Version_tree from it.
   Script_options dynamic_list_;
+  // Whether a --dynamic-list file was provided.
+  bool have_dynamic_list_;
   // The incremental linking mode.
   Incremental_mode incremental_mode_;
   // The disposition given by the --incremental-changed,
@@ -1491,6 +1685,8 @@ class General_options
   Fix_v4bx fix_v4bx_;
   // Endianness.
   Endianness endianness_;
+  // What local symbols to discard.
+  Discard_locals discard_locals_;
 };
 
 // The position-dependent options.  We use this to store the state of
@@ -1507,7 +1703,7 @@ class General_options
   type__                                        \
   varname__() const                             \
   { return this->varname__##_; }                \
-                                                \
+                                               \
   void                                          \
   set_##varname__(type__ value)                 \
   { this->varname__##_ = value; }               \
@@ -1518,7 +1714,7 @@ class Position_dependent_options
 {
  public:
   Position_dependent_options(const General_options& options
-                             = Position_dependent_options::default_options_)
+                            = Position_dependent_options::default_options_)
   { copy_from_options(options); }
 
   void copy_from_options(const General_options& options)
@@ -1575,9 +1771,9 @@ class Input_file_argument
   { }
 
   Input_file_argument(const char* name, Input_file_type type,
-                      const char* extra_search_path,
-                      bool just_symbols,
-                      const Position_dependent_options& options)
+                     const char* extra_search_path,
+                     bool just_symbols,
+                     const Position_dependent_options& options)
     : name_(name), type_(type), extra_search_path_(extra_search_path),
       just_symbols_(just_symbols), options_(options), arg_serial_(0)
   { }
@@ -1587,9 +1783,9 @@ class Input_file_argument
   // position-independent vars from the General_options and only store
   // those.
   Input_file_argument(const char* name, Input_file_type type,
-                      const char* extra_search_path,
-                      bool just_symbols,
-                      const General_options& options)
+                     const char* extra_search_path,
+                     bool just_symbols,
+                     const General_options& options)
     : name_(name), type_(type), extra_search_path_(extra_search_path),
       just_symbols_(just_symbols), options_(options), arg_serial_(0)
   { }
@@ -1614,8 +1810,8 @@ class Input_file_argument
   extra_search_path() const
   {
     return (this->extra_search_path_.empty()
-            ? NULL
-            : this->extra_search_path_.c_str());
+           ? NULL
+           : this->extra_search_path_.c_str());
   }
 
   // Return whether we should only read symbols from this file.
@@ -1928,7 +2124,7 @@ class Command_line
   // is set to true if argv[i] is "--".
   int
   process_one_option(int argc, const char** argv, int i,
-                     bool* no_more_options);
+                    bool* no_more_options);
 
   // Get the general options.
   const General_options&
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