// options.h -- handle command line options for gold -*- C++ -*-
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2013
-// 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.
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_("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
+ ("[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"),
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_("(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."));
"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);
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"));
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_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"),
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 "
NULL);
DEFINE_bool(execstack, options::DASH_Z, '\0', false,
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);
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,
+ 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_bool(text, options::DASH_Z, '\0', false,
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()
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
{
// 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,
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
projects / deliverable / binutils-gdb.git / blobdiff