/* Parse options for the GNU linker.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012
Free Software Foundation, Inc.
- This file is part of GLD, the Gnu Linker.
+ This file is part of the GNU Binutils.
- GLD is free software; you can redistribute it and/or modify
+ This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
- GLD is distributed in the hope that it will be useful,
+ This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with GLD; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
+#include "bfdver.h"
#include "libiberty.h"
#include <stdio.h>
#include <string.h>
#include "ldver.h"
#include "ldemul.h"
#include "demangle.h"
+#ifdef ENABLE_PLUGINS
+#include "plugin.h"
+#endif /* ENABLE_PLUGINS */
#ifndef PATH_SEPARATOR
#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
static void set_default_dirlist (char *);
static void set_section_start (char *, char *);
+static void set_segment_start (const char *, char *);
static void help (void);
-/* Non-zero if we are processing a --defsym from the command line. */
-int parsing_defsym = 0;
-
-/* Codes used for the long options with no short synonyms. 150 isn't
- special; it's just an arbitrary non-ASCII char value. */
-enum option_values
-{
- OPTION_ASSERT = 150,
- OPTION_CALL_SHARED,
- OPTION_CREF,
- OPTION_DEFSYM,
- OPTION_DEMANGLE,
- OPTION_DYNAMIC_LINKER,
- OPTION_EB,
- OPTION_EL,
- OPTION_EMBEDDED_RELOCS,
- OPTION_EXPORT_DYNAMIC,
- OPTION_HELP,
- OPTION_IGNORE,
- OPTION_MAP,
- OPTION_NO_DEMANGLE,
- OPTION_NO_KEEP_MEMORY,
- OPTION_NO_WARN_MISMATCH,
- OPTION_NOINHIBIT_EXEC,
- OPTION_NON_SHARED,
- OPTION_NO_WHOLE_ARCHIVE,
- OPTION_OFORMAT,
- OPTION_RELAX,
- OPTION_RETAIN_SYMBOLS_FILE,
- OPTION_RPATH,
- OPTION_RPATH_LINK,
- OPTION_SHARED,
- OPTION_SONAME,
- OPTION_SORT_COMMON,
- OPTION_STATS,
- OPTION_SYMBOLIC,
- OPTION_TASK_LINK,
- OPTION_TBSS,
- OPTION_TDATA,
- OPTION_TTEXT,
- OPTION_TRADITIONAL_FORMAT,
- OPTION_UR,
- OPTION_VERBOSE,
- OPTION_VERSION,
- OPTION_VERSION_SCRIPT,
- OPTION_VERSION_EXPORTS_SECTION,
- OPTION_WARN_COMMON,
- OPTION_WARN_CONSTRUCTORS,
- OPTION_WARN_FATAL,
- OPTION_WARN_MULTIPLE_GP,
- OPTION_WARN_ONCE,
- OPTION_WARN_SECTION_ALIGN,
- OPTION_SPLIT_BY_RELOC,
- OPTION_SPLIT_BY_FILE ,
- OPTION_WHOLE_ARCHIVE,
- OPTION_AS_NEEDED,
- OPTION_NO_AS_NEEDED,
- OPTION_WRAP,
- OPTION_FORCE_EXE_SUFFIX,
- OPTION_GC_SECTIONS,
- OPTION_NO_GC_SECTIONS,
- OPTION_CHECK_SECTIONS,
- OPTION_NO_CHECK_SECTIONS,
- OPTION_NO_UNDEFINED,
- OPTION_INIT,
- OPTION_FINI,
- OPTION_SECTION_START,
- OPTION_UNIQUE,
- OPTION_TARGET_HELP,
- OPTION_ALLOW_SHLIB_UNDEFINED,
- OPTION_NO_ALLOW_SHLIB_UNDEFINED,
- OPTION_ALLOW_MULTIPLE_DEFINITION,
- OPTION_NO_UNDEFINED_VERSION,
- OPTION_DISCARD_NONE,
- OPTION_SPARE_DYNAMIC_TAGS,
- OPTION_NO_DEFINE_COMMON,
- OPTION_NOSTDLIB,
- OPTION_NO_OMAGIC,
- OPTION_STRIP_DISCARDED,
- OPTION_NO_STRIP_DISCARDED,
- OPTION_ACCEPT_UNKNOWN_INPUT_ARCH,
- OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH,
- OPTION_PIE,
- OPTION_UNRESOLVED_SYMBOLS,
- OPTION_WARN_UNRESOLVED_SYMBOLS,
- OPTION_ERROR_UNRESOLVED_SYMBOLS
-};
-
/* The long options. This structure is used for both the option
parsing and the help text. */
+enum control_enum {
+ /* Use one dash before long option name. */
+ ONE_DASH,
+ /* Use two dashes before long option name. */
+ TWO_DASHES,
+ /* Only accept two dashes before the long option name.
+ This is an overloading of the use of this enum, since originally it
+ was only intended to tell the --help display function how to display
+ the long option name. This feature was added in order to resolve
+ the confusion about the -omagic command line switch. Is it setting
+ the output file name to "magic" or is it setting the NMAGIC flag on
+ the output ? It has been decided that it is setting the output file
+ name, and that if you want to set the NMAGIC flag you should use -N
+ or --omagic. */
+ EXACTLY_TWO_DASHES,
+ /* Don't mention this option in --help output. */
+ NO_HELP
+};
+
struct ld_option
{
/* The long option information. */
/* The documentation string. If this is NULL, this is a synonym for
the previous option. */
const char *doc;
- enum {
- /* Use one dash before long option name. */
- ONE_DASH,
- /* Use two dashes before long option name. */
- TWO_DASHES,
- /* Only accept two dashes before the long option name.
- This is an overloading of the use of this enum, since originally it
- was only intended to tell the --help display function how to display
- the long option name. This feature was added in order to resolve
- the confusion about the -omagic command line switch. Is it setting
- the output file name to "magic" or is it setting the NMAGIC flag on
- the output ? It has been decided that it is setting the output file
- name, and that if you want to set the NMAGIC flag you should use -N
- or --omagic. */
- EXACTLY_TWO_DASHES,
- /* Don't mention this option in --help output. */
- NO_HELP
- } control;
+ enum control_enum control;
};
static const struct ld_option ld_options[] =
{
{ {NULL, required_argument, NULL, '\0'},
- 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
- ONE_DASH },
+ 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
+ ONE_DASH },
{ {"architecture", required_argument, NULL, 'A'},
- 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
+ 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
{ {"format", required_argument, NULL, 'b'},
- 'b', N_("TARGET"), N_("Specify target for following input files"), TWO_DASHES },
+ 'b', N_("TARGET"), N_("Specify target for following input files"),
+ TWO_DASHES },
{ {"mri-script", required_argument, NULL, 'c'},
- 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
+ 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
{ {"dc", no_argument, NULL, 'd'},
- 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
+ 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
{ {"dp", no_argument, NULL, 'd'},
- '\0', NULL, NULL, ONE_DASH },
+ '\0', NULL, NULL, ONE_DASH },
{ {"entry", required_argument, NULL, 'e'},
- 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
+ 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
{ {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
- 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
+ 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
+ { {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC},
+ '\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES },
{ {"EB", no_argument, NULL, OPTION_EB},
- '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
+ '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
{ {"EL", no_argument, NULL, OPTION_EL},
- '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
+ '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
{ {"auxiliary", required_argument, NULL, 'f'},
- 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
- TWO_DASHES },
+ 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
+ TWO_DASHES },
{ {"filter", required_argument, NULL, 'F'},
- 'F', N_("SHLIB"), N_("Filter for shared object symbol table"), TWO_DASHES },
+ 'F', N_("SHLIB"), N_("Filter for shared object symbol table"),
+ TWO_DASHES },
{ {NULL, no_argument, NULL, '\0'},
- 'g', NULL, N_("Ignored"), ONE_DASH },
+ 'g', NULL, N_("Ignored"), ONE_DASH },
{ {"gpsize", required_argument, NULL, 'G'},
- 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
- TWO_DASHES },
+ 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
+ TWO_DASHES },
{ {"soname", required_argument, NULL, OPTION_SONAME},
- 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
+ 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
{ {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
- 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"), TWO_DASHES },
+ 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
+ TWO_DASHES },
{ {"library", required_argument, NULL, 'l'},
- 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
+ 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
{ {"library-path", required_argument, NULL, 'L'},
- 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"), TWO_DASHES },
+ 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
+ TWO_DASHES },
+ { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
+ '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
{ {NULL, required_argument, NULL, '\0'},
- 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
+ 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
{ {"print-map", no_argument, NULL, 'M'},
- 'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
+ 'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
{ {"nmagic", no_argument, NULL, 'n'},
- 'n', NULL, N_("Do not page align data"), TWO_DASHES },
+ 'n', NULL, N_("Do not page align data"), TWO_DASHES },
{ {"omagic", no_argument, NULL, 'N'},
- 'N', NULL, N_("Do not page align data, do not make text readonly"),
- EXACTLY_TWO_DASHES },
+ 'N', NULL, N_("Do not page align data, do not make text readonly"),
+ EXACTLY_TWO_DASHES },
{ {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
- '\0', NULL, N_("Page align data, make text readonly"), EXACTLY_TWO_DASHES },
+ '\0', NULL, N_("Page align data, make text readonly"),
+ EXACTLY_TWO_DASHES },
{ {"output", required_argument, NULL, 'o'},
- 'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
+ 'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
{ {NULL, required_argument, NULL, '\0'},
- 'O', NULL, N_("Optimize output file"), ONE_DASH },
+ 'O', NULL, N_("Optimize output file"), ONE_DASH },
+#ifdef ENABLE_PLUGINS
+ { {"plugin", required_argument, NULL, OPTION_PLUGIN},
+ '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH },
+ { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT},
+ '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH },
+ { {"flto", optional_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
+ ONE_DASH },
+ { {"flto-partition=", required_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
+ ONE_DASH },
+#endif /* ENABLE_PLUGINS */
{ {"Qy", no_argument, NULL, OPTION_IGNORE},
- '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
+ '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
{ {"emit-relocs", no_argument, NULL, 'q'},
- 'q', NULL, "Generate relocations in final output", TWO_DASHES },
+ 'q', NULL, "Generate relocations in final output", TWO_DASHES },
{ {"relocatable", no_argument, NULL, 'r'},
- 'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
+ 'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
{ {NULL, no_argument, NULL, '\0'},
- 'i', NULL, NULL, ONE_DASH },
+ 'i', NULL, NULL, ONE_DASH },
{ {"just-symbols", required_argument, NULL, 'R'},
- 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
- TWO_DASHES },
+ 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
+ TWO_DASHES },
{ {"strip-all", no_argument, NULL, 's'},
- 's', NULL, N_("Strip all symbols"), TWO_DASHES },
+ 's', NULL, N_("Strip all symbols"), TWO_DASHES },
{ {"strip-debug", no_argument, NULL, 'S'},
- 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
+ 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
{ {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
- '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
+ '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
{ {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
- '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
+ '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
{ {"trace", no_argument, NULL, 't'},
- 't', NULL, N_("Trace file opens"), TWO_DASHES },
+ 't', NULL, N_("Trace file opens"), TWO_DASHES },
{ {"script", required_argument, NULL, 'T'},
- 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
+ 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
+ { {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
+ '\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES },
+ { {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
+ '\0', NULL, NULL, ONE_DASH },
{ {"undefined", required_argument, NULL, 'u'},
- 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES },
+ 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
+ TWO_DASHES },
{ {"unique", optional_argument, NULL, OPTION_UNIQUE},
- '\0', N_("[=SECTION]"), N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
+ '\0', N_("[=SECTION]"),
+ N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
{ {"Ur", no_argument, NULL, OPTION_UR},
- '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
+ '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
{ {"version", no_argument, NULL, OPTION_VERSION},
- 'v', NULL, N_("Print version information"), TWO_DASHES },
+ 'v', NULL, N_("Print version information"), TWO_DASHES },
{ {NULL, no_argument, NULL, '\0'},
- 'V', NULL, N_("Print version and emulation information"), ONE_DASH },
+ 'V', NULL, N_("Print version and emulation information"), ONE_DASH },
{ {"discard-all", no_argument, NULL, 'x'},
- 'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
+ 'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
{ {"discard-locals", no_argument, NULL, 'X'},
- 'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
+ 'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
{ {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
- '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
+ '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
{ {"trace-symbol", required_argument, NULL, 'y'},
- 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
+ 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
{ {NULL, required_argument, NULL, '\0'},
- 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"), ONE_DASH },
+ 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"),
+ ONE_DASH },
{ {"start-group", no_argument, NULL, '('},
- '(', NULL, N_("Start a group"), TWO_DASHES },
+ '(', NULL, N_("Start a group"), TWO_DASHES },
{ {"end-group", no_argument, NULL, ')'},
- ')', NULL, N_("End a group"), TWO_DASHES },
- { {"accept-unknown-input-arch", no_argument, NULL, OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
- '\0', NULL, N_("Accept input files whose architecture cannot be determined"), TWO_DASHES },
- { {"no-accept-unknown-input-arch", no_argument, NULL, OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
- '\0', NULL, N_("Reject input files whose architecture is unknown"), TWO_DASHES },
+ ')', NULL, N_("End a group"), TWO_DASHES },
+ { {"accept-unknown-input-arch", no_argument, NULL,
+ OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
+ '\0', NULL,
+ N_("Accept input files whose architecture cannot be determined"),
+ TWO_DASHES },
+ { {"no-accept-unknown-input-arch", no_argument, NULL,
+ OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
+ '\0', NULL, N_("Reject input files whose architecture is unknown"),
+ TWO_DASHES },
+
+ /* The next two options are deprecated because of their similarity to
+ --as-needed and --no-as-needed. They have been replaced by
+ --copy-dt-needed-entries and --no-copy-dt-needed-entries. */
+ { {"add-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
+ '\0', NULL, NULL, NO_HELP },
+ { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
+ '\0', NULL, NULL, NO_HELP },
+
+ { {"as-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_REGULAR},
+ '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
+ TWO_DASHES },
+ { {"no-as-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR},
+ '\0', NULL, N_("Always set DT_NEEDED for dynamic libraries mentioned on\n"
+ " the command line"),
+ TWO_DASHES },
{ {"assert", required_argument, NULL, OPTION_ASSERT},
- '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
+ '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
{ {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
- '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
+ '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
{ {"dy", no_argument, NULL, OPTION_CALL_SHARED},
- '\0', NULL, NULL, ONE_DASH },
+ '\0', NULL, NULL, ONE_DASH },
{ {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
- '\0', NULL, NULL, ONE_DASH },
+ '\0', NULL, NULL, ONE_DASH },
{ {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
- '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
+ '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
{ {"dn", no_argument, NULL, OPTION_NON_SHARED},
- '\0', NULL, NULL, ONE_DASH },
+ '\0', NULL, NULL, ONE_DASH },
{ {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
- '\0', NULL, NULL, ONE_DASH },
+ '\0', NULL, NULL, ONE_DASH },
{ {"static", no_argument, NULL, OPTION_NON_SHARED},
- '\0', NULL, NULL, ONE_DASH },
+ '\0', NULL, NULL, ONE_DASH },
{ {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
- '\0', NULL, N_("Bind global references locally"), ONE_DASH },
+ '\0', NULL, N_("Bind global references locally"), ONE_DASH },
+ { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
+ '\0', NULL, N_("Bind global function references locally"), ONE_DASH },
{ {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
- '\0', NULL, N_("Check section addresses for overlaps (default)"), TWO_DASHES },
+ '\0', NULL, N_("Check section addresses for overlaps (default)"),
+ TWO_DASHES },
{ {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
- '\0', NULL, N_("Do not check section addresses for overlaps"),
- TWO_DASHES },
+ '\0', NULL, N_("Do not check section addresses for overlaps"),
+ TWO_DASHES },
+ { {"copy-dt-needed-entries", no_argument, NULL,
+ OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
+ '\0', NULL, N_("Copy DT_NEEDED links mentioned inside DSOs that follow"),
+ TWO_DASHES },
+ { {"no-copy-dt-needed-entries", no_argument, NULL,
+ OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
+ '\0', NULL, N_("Do not copy DT_NEEDED links mentioned inside DSOs that follow"),
+ TWO_DASHES },
+
{ {"cref", no_argument, NULL, OPTION_CREF},
- '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
+ '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
{ {"defsym", required_argument, NULL, OPTION_DEFSYM},
- '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
+ '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
{ {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
- '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"), TWO_DASHES },
+ '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
+ TWO_DASHES },
{ {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
- '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
+ '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
+ { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
+ '\0', NULL, N_("Treat warnings as errors"),
+ TWO_DASHES },
+ { {"no-fatal-warnings", no_argument, NULL, OPTION_NO_WARN_FATAL},
+ '\0', NULL, N_("Do not treat warnings as errors (default)"),
+ TWO_DASHES },
{ {"fini", required_argument, NULL, OPTION_FINI},
- '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
+ '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
{ {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
- '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
+ '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
{ {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
- '\0', NULL, N_("Remove unused sections (on some targets)"),
- TWO_DASHES },
+ '\0', NULL, N_("Remove unused sections (on some targets)"),
+ TWO_DASHES },
{ {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
- '\0', NULL, N_("Don't remove unused sections (default)"),
- TWO_DASHES },
+ '\0', NULL, N_("Don't remove unused sections (default)"),
+ TWO_DASHES },
+ { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
+ '\0', NULL, N_("List removed unused sections on stderr"),
+ TWO_DASHES },
+ { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
+ '\0', NULL, N_("Do not list removed unused sections"),
+ TWO_DASHES },
+ { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
+ '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
+ TWO_DASHES },
{ {"help", no_argument, NULL, OPTION_HELP},
- '\0', NULL, N_("Print option help"), TWO_DASHES },
+ '\0', NULL, N_("Print option help"), TWO_DASHES },
{ {"init", required_argument, NULL, OPTION_INIT},
- '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
+ '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
{ {"Map", required_argument, NULL, OPTION_MAP},
- '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
+ '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
{ {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
- '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
+ '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
{ {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
- '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
+ '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
{ {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
- '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
+ '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
{ {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
- '\0', NULL, N_("Do not allow unresolved references in object files"), TWO_DASHES },
+ '\0', NULL, N_("Do not allow unresolved references in object files"),
+ TWO_DASHES },
{ {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
- '\0', NULL, N_("Allow unresolved references in shared libaries"), TWO_DASHES },
- { {"no-allow-shlib-undefined", no_argument, NULL, OPTION_NO_ALLOW_SHLIB_UNDEFINED},
- '\0', NULL, N_("Do not allow unresolved references in shared libs"), TWO_DASHES },
- { {"allow-multiple-definition", no_argument, NULL, OPTION_ALLOW_MULTIPLE_DEFINITION},
- '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
+ '\0', NULL, N_("Allow unresolved references in shared libraries"),
+ TWO_DASHES },
+ { {"no-allow-shlib-undefined", no_argument, NULL,
+ OPTION_NO_ALLOW_SHLIB_UNDEFINED},
+ '\0', NULL, N_("Do not allow unresolved references in shared libs"),
+ TWO_DASHES },
+ { {"allow-multiple-definition", no_argument, NULL,
+ OPTION_ALLOW_MULTIPLE_DEFINITION},
+ '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
{ {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
- '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
+ '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
+ { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
+ '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
+ { {"default-imported-symver", no_argument, NULL,
+ OPTION_DEFAULT_IMPORTED_SYMVER},
+ '\0', NULL, N_("Create default symbol version for imported symbols"),
+ TWO_DASHES },
{ {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
- '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
+ '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
+ { {"no-warn-search-mismatch", no_argument, NULL,
+ OPTION_NO_WARN_SEARCH_MISMATCH},
+ '\0', NULL, N_("Don't warn on finding an incompatible library"),
+ TWO_DASHES},
{ {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
- '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
+ '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
{ {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
- '\0', NULL, N_("Create an output file even if errors occur"), TWO_DASHES },
+ '\0', NULL, N_("Create an output file even if errors occur"),
+ TWO_DASHES },
{ {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
- '\0', NULL, NULL, NO_HELP },
+ '\0', NULL, NULL, NO_HELP },
{ {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
- '\0', NULL, N_("Only use library directories specified on\n\t\t\t\tthe command line"), ONE_DASH },
+ '\0', NULL, N_("Only use library directories specified on\n"
+ " the command line"),
+ ONE_DASH },
{ {"oformat", required_argument, NULL, OPTION_OFORMAT},
- '\0', N_("TARGET"), N_("Specify target of output file"), EXACTLY_TWO_DASHES },
+ '\0', N_("TARGET"), N_("Specify target of output file"),
+ EXACTLY_TWO_DASHES },
+ { {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT},
+ '\0', NULL, N_("Print default output format"), TWO_DASHES },
{ {"qmagic", no_argument, NULL, OPTION_IGNORE},
- '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
+ '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
+ { {"reduce-memory-overheads", no_argument, NULL,
+ OPTION_REDUCE_MEMORY_OVERHEADS},
+ '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"),
+ TWO_DASHES },
{ {"relax", no_argument, NULL, OPTION_RELAX},
- '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES },
+ '\0', NULL, N_("Reduce code size by using target specific optimizations"), TWO_DASHES },
+ { {"no-relax", no_argument, NULL, OPTION_NO_RELAX},
+ '\0', NULL, N_("Do not use relaxation techniques to reduce code size"), TWO_DASHES },
{ {"retain-symbols-file", required_argument, NULL,
- OPTION_RETAIN_SYMBOLS_FILE},
- '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
+ OPTION_RETAIN_SYMBOLS_FILE},
+ '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
{ {"rpath", required_argument, NULL, OPTION_RPATH},
- '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
+ '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
{ {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
- '\0', N_("PATH"), N_("Set link time shared library search path"), ONE_DASH },
+ '\0', N_("PATH"), N_("Set link time shared library search path"),
+ ONE_DASH },
{ {"shared", no_argument, NULL, OPTION_SHARED},
- '\0', NULL, N_("Create a shared library"), ONE_DASH },
+ '\0', NULL, N_("Create a shared library"), ONE_DASH },
{ {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
- '\0', NULL, NULL, ONE_DASH },
+ '\0', NULL, NULL, ONE_DASH },
{ {"pie", no_argument, NULL, OPTION_PIE},
- '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
+ '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
{ {"pic-executable", no_argument, NULL, OPTION_PIE},
- '\0', NULL, NULL, TWO_DASHES },
- { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
- '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
+ '\0', NULL, NULL, TWO_DASHES },
+ { {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON},
+ '\0', N_("[=ascending|descending]"),
+ N_("Sort common symbols by alignment [in specified order]"),
+ TWO_DASHES },
{ {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
- '\0', NULL, NULL, NO_HELP },
+ '\0', NULL, NULL, NO_HELP },
+ { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
+ '\0', N_("name|alignment"),
+ N_("Sort sections by name or maximum alignment"), TWO_DASHES },
{ {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
- '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"), TWO_DASHES },
+ '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
+ TWO_DASHES },
{ {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
- '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"), TWO_DASHES },
+ '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"),
+ TWO_DASHES },
{ {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC},
- '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"), TWO_DASHES },
+ '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"),
+ TWO_DASHES },
{ {"stats", no_argument, NULL, OPTION_STATS},
- '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
+ '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
{ {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
- '\0', NULL, N_("Display target specific options"), TWO_DASHES },
+ '\0', NULL, N_("Display target specific options"), TWO_DASHES },
{ {"task-link", required_argument, NULL, OPTION_TASK_LINK},
- '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
+ '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
{ {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
- '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
+ '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
{ {"section-start", required_argument, NULL, OPTION_SECTION_START},
- '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"), TWO_DASHES },
+ '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"),
+ TWO_DASHES },
{ {"Tbss", required_argument, NULL, OPTION_TBSS},
- '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
+ '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
{ {"Tdata", required_argument, NULL, OPTION_TDATA},
- '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
+ '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
{ {"Ttext", required_argument, NULL, OPTION_TTEXT},
- '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
- { {"unresolved-symbols=<method>", required_argument, NULL, OPTION_UNRESOLVED_SYMBOLS},
- '\0', NULL, N_("How to handle unresolved symbols. <method> is:\n\t\t\t\tignore-all, report-all, ignore-in-object-files,\n\t\t\t\tignore-in-shared-libs"),
+ '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
+ { {"Ttext-segment", required_argument, NULL, OPTION_TTEXT_SEGMENT},
+ '\0', N_("ADDRESS"), N_("Set address of text segment"), ONE_DASH },
+ { {"unresolved-symbols=<method>", required_argument, NULL,
+ OPTION_UNRESOLVED_SYMBOLS},
+ '\0', NULL, N_("How to handle unresolved symbols. <method> is:\n"
+ " ignore-all, report-all, ignore-in-object-files,\n"
+ " ignore-in-shared-libs"),
TWO_DASHES },
- { {"verbose", no_argument, NULL, OPTION_VERBOSE},
- '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
+ { {"verbose", optional_argument, NULL, OPTION_VERBOSE},
+ '\0', N_("[=NUMBER]"),
+ N_("Output lots of information during link"), TWO_DASHES },
{ {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
- '\0', NULL, NULL, NO_HELP },
+ '\0', NULL, NULL, NO_HELP },
{ {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
- '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
+ '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
{ {"version-exports-section", required_argument, NULL,
OPTION_VERSION_EXPORTS_SECTION },
- '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n\t\t\t\tSYMBOL as the version."),
+ '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
+ " SYMBOL as the version."),
TWO_DASHES },
+ { {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA},
+ '\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES },
+ { {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW},
+ '\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES },
+ { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
+ '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
+ { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
+ '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
{ {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
- '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
+ '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
{ {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
- '\0', NULL, N_("Warn if global constructors/destructors are seen"),
- TWO_DASHES },
+ '\0', NULL, N_("Warn if global constructors/destructors are seen"),
+ TWO_DASHES },
{ {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
- '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
+ '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
{ {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
- '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
+ '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
{ {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
- '\0', NULL, N_("Warn if start of section changes due to alignment"),
- TWO_DASHES },
- { {"warn-unresolved-symbols", no_argument, NULL, OPTION_WARN_UNRESOLVED_SYMBOLS},
+ '\0', NULL, N_("Warn if start of section changes due to alignment"),
+ TWO_DASHES },
+ { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
+ '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
+ TWO_DASHES },
+ { {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM},
+ '\0', NULL, N_("Warn if an object has alternate ELF machine code"),
+ TWO_DASHES },
+ { {"warn-unresolved-symbols", no_argument, NULL,
+ OPTION_WARN_UNRESOLVED_SYMBOLS},
'\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
- { {"error-unresolved-symbols", no_argument, NULL, OPTION_ERROR_UNRESOLVED_SYMBOLS},
+ { {"error-unresolved-symbols", no_argument, NULL,
+ OPTION_ERROR_UNRESOLVED_SYMBOLS},
'\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
- { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
- '\0', NULL, N_("Treat warnings as errors"),
- TWO_DASHES },
{ {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
- '\0', NULL, N_("Include all objects from following archives"), TWO_DASHES },
- { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
- '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"), TWO_DASHES },
- { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED},
- '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"), TWO_DASHES },
+ '\0', NULL, N_("Include all objects from following archives"),
+ TWO_DASHES },
{ {"wrap", required_argument, NULL, OPTION_WRAP},
- '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES }
+ '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
};
#define OPTION_COUNT ARRAY_SIZE (ld_options)
int last_optind;
enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
- shortopts = xmalloc (OPTION_COUNT * 3 + 2);
- longopts = xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
- really_longopts = xmalloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
+ shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2);
+ longopts = (struct option *)
+ xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
+ really_longopts = (struct option *)
+ malloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
/* Starting the short option string with '-' is for programs that
expect options and other ARGV-elements in any order and that care about
{
char *n;
- n = xmalloc (strlen (argv[i]) + 20);
+ n = (char *) xmalloc (strlen (argv[i]) + 20);
sprintf (n, "--library=%s", argv[i] + 2);
argv[i] = n;
}
{
int longind;
int optc;
+ static unsigned int defsym_count;
/* Using last_optind lets us avoid calling ldemul_parse_args
multiple times on a single option, which would lead to
{
case '?':
einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
+ /* Fall through. */
+
default:
einfo (_("%P%F: use the --help option for usage information\n"));
``use only shared libraries'' but, then, we don't
currently support shared libraries on HP/UX anyhow. */
if (strcmp (optarg, "archive") == 0)
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
else if (strcmp (optarg, "shared") == 0
|| strcmp (optarg, "default") == 0)
- config.dynamic_link = TRUE;
+ input_flags.dynamic = TRUE;
else
einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
break;
yyparse ();
break;
case OPTION_CALL_SHARED:
- config.dynamic_link = TRUE;
+ input_flags.dynamic = TRUE;
break;
case OPTION_NON_SHARED:
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case OPTION_CREF:
command_line.cref = TRUE;
break;
case OPTION_DEFSYM:
lex_string = optarg;
- lex_redirect (optarg);
+ lex_redirect (optarg, "--defsym", ++defsym_count);
parser_input = input_defsym;
- parsing_defsym = 1;
yyparse ();
- parsing_defsym = 0;
lex_string = NULL;
break;
case OPTION_DEMANGLE:
style = cplus_demangle_name_to_style (optarg);
if (style == unknown_demangling)
- einfo (_("%F%P: unknown demangling style `%s'"),
+ einfo (_("%F%P: unknown demangling style `%s'\n"),
optarg);
cplus_demangle_set_style (style);
case OPTION_DYNAMIC_LINKER:
command_line.interpreter = optarg;
break;
+ case OPTION_SYSROOT:
+ /* Already handled in ldmain.c. */
+ break;
case OPTION_EB:
command_line.endian = ENDIAN_BIG;
break;
case 'E': /* HP/UX compatibility. */
link_info.export_dynamic = TRUE;
break;
+ case OPTION_NO_EXPORT_DYNAMIC:
+ link_info.export_dynamic = FALSE;
+ break;
case 'e':
lang_add_entry (optarg, TRUE);
break;
case 'f':
if (command_line.auxiliary_filters == NULL)
{
- command_line.auxiliary_filters = xmalloc (2 * sizeof (char *));
+ command_line.auxiliary_filters = (char **)
+ xmalloc (2 * sizeof (char *));
command_line.auxiliary_filters[0] = optarg;
command_line.auxiliary_filters[1] = NULL;
}
c = 0;
for (p = command_line.auxiliary_filters; *p != NULL; p++)
++c;
- command_line.auxiliary_filters
- = xrealloc (command_line.auxiliary_filters,
+ command_line.auxiliary_filters = (char **)
+ xrealloc (command_line.auxiliary_filters,
(c + 2) * sizeof (char *));
command_line.auxiliary_filters[c] = optarg;
command_line.auxiliary_filters[c + 1] = NULL;
/* Ignore. */
break;
case OPTION_GC_SECTIONS:
- command_line.gc_sections = TRUE;
+ link_info.gc_sections = TRUE;
+ break;
+ case OPTION_PRINT_GC_SECTIONS:
+ link_info.print_gc_sections = TRUE;
break;
case OPTION_HELP:
help ();
case 'N':
config.text_read_only = FALSE;
config.magic_demand_paged = FALSE;
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case OPTION_NO_OMAGIC:
config.text_read_only = TRUE;
config.magic_demand_paged = TRUE;
- /* NB/ Does not set dynamic_link to TRUE.
+ /* NB/ Does not set input_flags.dynamic to TRUE.
Use --call-shared or -Bdynamic for this. */
break;
case 'n':
config.magic_demand_paged = FALSE;
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case OPTION_NO_DEFINE_COMMON:
command_line.inhibit_common_definition = TRUE;
demangling = FALSE;
break;
case OPTION_NO_GC_SECTIONS:
- command_line.gc_sections = FALSE;
+ link_info.gc_sections = FALSE;
+ break;
+ case OPTION_NO_PRINT_GC_SECTIONS:
+ link_info.print_gc_sections = FALSE;
break;
case OPTION_NO_KEEP_MEMORY:
link_info.keep_memory = FALSE;
break;
case OPTION_NO_UNDEFINED:
- link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
+ link_info.unresolved_syms_in_objects
+ = how_to_report_unresolved_symbols;
break;
case OPTION_ALLOW_SHLIB_UNDEFINED:
link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
break;
case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
- link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
+ link_info.unresolved_syms_in_shared_libs
+ = how_to_report_unresolved_symbols;
break;
case OPTION_UNRESOLVED_SYMBOLS:
if (strcmp (optarg, "ignore-all") == 0)
}
else if (strcmp (optarg, "report-all") == 0)
{
- link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
- link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
+ link_info.unresolved_syms_in_objects
+ = how_to_report_unresolved_symbols;
+ link_info.unresolved_syms_in_shared_libs
+ = how_to_report_unresolved_symbols;
}
else if (strcmp (optarg, "ignore-in-object-files") == 0)
{
link_info.unresolved_syms_in_objects = RM_IGNORE;
- link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
+ link_info.unresolved_syms_in_shared_libs
+ = how_to_report_unresolved_symbols;
}
else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
{
- link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
+ link_info.unresolved_syms_in_objects
+ = how_to_report_unresolved_symbols;
link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
}
else
if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
break;
-
+
case OPTION_ERROR_UNRESOLVED_SYMBOLS:
how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING)
link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING)
link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
- break;
+ break;
case OPTION_ALLOW_MULTIPLE_DEFINITION:
link_info.allow_multiple_definition = TRUE;
break;
case OPTION_NO_UNDEFINED_VERSION:
link_info.allow_undefined_version = FALSE;
break;
+ case OPTION_DEFAULT_SYMVER:
+ link_info.create_default_symver = TRUE;
+ break;
+ case OPTION_DEFAULT_IMPORTED_SYMVER:
+ link_info.default_imported_symver = TRUE;
+ break;
case OPTION_NO_WARN_MISMATCH:
command_line.warn_mismatch = FALSE;
break;
+ case OPTION_NO_WARN_SEARCH_MISMATCH:
+ command_line.warn_search_mismatch = FALSE;
+ break;
case OPTION_NOINHIBIT_EXEC:
force_make_executable = TRUE;
break;
config.only_cmd_line_lib_dirs = TRUE;
break;
case OPTION_NO_WHOLE_ARCHIVE:
- whole_archive = FALSE;
+ input_flags.whole_archive = FALSE;
break;
case 'O':
/* FIXME "-O<non-digits> <value>" used to set the address of
case OPTION_OFORMAT:
lang_add_output_format (optarg, NULL, NULL, 0);
break;
+ case OPTION_PRINT_OUTPUT_FORMAT:
+ command_line.print_output_format = TRUE;
+ break;
+#ifdef ENABLE_PLUGINS
+ case OPTION_PLUGIN:
+ if (plugin_opt_plugin (optarg))
+ einfo (_("%P%F: %s: error loading plugin\n"),
+ plugin_error_plugin ());
+ break;
+ case OPTION_PLUGIN_OPT:
+ if (plugin_opt_plugin_arg (optarg))
+ einfo(_("%P%F: bad -plugin-opt option\n"));
+ break;
+#endif /* ENABLE_PLUGINS */
case 'q':
link_info.emitrelocations = TRUE;
break;
config.build_constructors = FALSE;
config.magic_demand_paged = FALSE;
config.text_read_only = FALSE;
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case 'R':
/* The GNU linker traditionally uses -R to mean to include
/* First see whether OPTARG is already in the path. */
do
{
- size_t idx = 0;
-
- while (optarg[idx] != '\0' && optarg[idx] == cp[idx])
- ++idx;
- if (optarg[idx] == '\0'
- && (cp[idx] == '\0' || cp[idx] == ':'))
+ if (strncmp (optarg, cp, optarg_len) == 0
+ && (cp[optarg_len] == 0
+ || cp[optarg_len] == config.rpath_separator))
/* We found it. */
break;
/* Not yet found. */
- cp = strchr (cp, ':');
+ cp = strchr (cp, config.rpath_separator);
if (cp != NULL)
++cp;
}
if (cp == NULL)
{
- buf = xmalloc (rpath_len + optarg_len + 2);
- sprintf (buf, "%s:%s", command_line.rpath, optarg);
+ buf = (char *) xmalloc (rpath_len + optarg_len + 2);
+ sprintf (buf, "%s%c%s", command_line.rpath,
+ config.rpath_separator, optarg);
free (command_line.rpath);
command_line.rpath = buf;
}
{
char *buf;
- buf = xmalloc (strlen (command_line.rpath_link)
- + strlen (optarg)
- + 2);
- sprintf (buf, "%s:%s", command_line.rpath_link, optarg);
+ buf = (char *) xmalloc (strlen (command_line.rpath_link)
+ + strlen (optarg)
+ + 2);
+ sprintf (buf, "%s%c%s", command_line.rpath_link,
+ config.rpath_separator, optarg);
free (command_line.rpath_link);
command_line.rpath_link = buf;
}
break;
+ case OPTION_NO_RELAX:
+ DISABLE_RELAXATION;
+ break;
case OPTION_RELAX:
- command_line.relax = TRUE;
+ ENABLE_RELAXATION;
break;
case OPTION_RETAIN_SYMBOLS_FILE:
add_keepsyms_file (optarg);
command_line.soname = optarg;
break;
case OPTION_SORT_COMMON:
- config.sort_common = TRUE;
+ if (optarg == NULL
+ || strcmp (optarg, N_("descending")) == 0)
+ config.sort_common = sort_descending;
+ else if (strcmp (optarg, N_("ascending")) == 0)
+ config.sort_common = sort_ascending;
+ else
+ einfo (_("%P%F: invalid common section sorting option: %s\n"),
+ optarg);
+ break;
+ case OPTION_SORT_SECTION:
+ if (strcmp (optarg, N_("name")) == 0)
+ sort_section = by_name;
+ else if (strcmp (optarg, N_("alignment")) == 0)
+ sort_section = by_alignment;
+ else
+ einfo (_("%P%F: invalid section sorting option: %s\n"),
+ optarg);
break;
case OPTION_STATS:
config.stats = TRUE;
break;
case OPTION_SYMBOLIC:
- link_info.symbolic = TRUE;
+ command_line.symbolic = symbolic;
+ break;
+ case OPTION_SYMBOLIC_FUNCTIONS:
+ command_line.symbolic = symbolic_functions;
break;
case 't':
trace_files = TRUE;
break;
case 'T':
+ previous_script_handle = saved_script_handle;
ldfile_open_command_file (optarg);
parser_input = input_script;
yyparse ();
+ previous_script_handle = NULL;
+ break;
+ case OPTION_DEFAULT_SCRIPT:
+ command_line.default_script = optarg;
break;
case OPTION_SECTION_START:
{
/* Check for <something>=<somthing>... */
optarg2 = strchr (optarg, '=');
if (optarg2 == NULL)
- einfo (_("%P%F: invalid argument to option \"--section-start\"\n"));
+ einfo (_("%P%F: invalid argument to option"
+ " \"--section-start\"\n"));
optarg2++;
/* So far so good. Are all the args present? */
if ((*optarg == '\0') || (*optarg2 == '\0'))
- einfo (_("%P%F: missing argument(s) to option \"--section-start\"\n"));
+ einfo (_("%P%F: missing argument(s) to option"
+ " \"--section-start\"\n"));
/* We must copy the section name as set_section_start
doesn't do it for us. */
len = optarg2 - optarg;
- sec_name = xmalloc (len);
+ sec_name = (char *) xmalloc (len);
memcpy (sec_name, optarg, len - 1);
sec_name[len - 1] = 0;
ldemul_list_emulation_options (stdout);
exit (0);
case OPTION_TBSS:
- set_section_start (".bss", optarg);
+ set_segment_start (".bss", optarg);
break;
case OPTION_TDATA:
- set_section_start (".data", optarg);
+ set_segment_start (".data", optarg);
break;
case OPTION_TTEXT:
- set_section_start (".text", optarg);
+ set_segment_start (".text", optarg);
+ break;
+ case OPTION_TTEXT_SEGMENT:
+ set_segment_start (".text-segment", optarg);
break;
case OPTION_TRADITIONAL_FORMAT:
link_info.traditional_format = TRUE;
config.build_constructors = TRUE;
config.magic_demand_paged = FALSE;
config.text_read_only = FALSE;
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case 'u':
- ldlang_add_undef (optarg);
+ ldlang_add_undef (optarg, TRUE);
break;
case OPTION_UNIQUE:
if (optarg != NULL)
case OPTION_VERBOSE:
ldversion (1);
version_printed = TRUE;
- trace_file_tries = TRUE;
+ verbose = TRUE;
overflow_cutoff_limit = -2;
+ if (optarg != NULL)
+ {
+ char *end;
+ int level ATTRIBUTE_UNUSED = strtoul (optarg, &end, 0);
+ if (*end)
+ einfo (_("%P%F: invalid number `%s'\n"), optarg);
+#ifdef ENABLE_PLUGINS
+ report_plugin_symbols = level > 1;
+#endif /* ENABLE_PLUGINS */
+ }
break;
case 'v':
ldversion (0);
.exports sections. */
command_line.version_exports_section = optarg;
break;
+ case OPTION_DYNAMIC_LIST_DATA:
+ command_line.dynamic_list = dynamic_list_data;
+ if (command_line.symbolic == symbolic)
+ command_line.symbolic = symbolic_unset;
+ break;
+ case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
+ lang_append_dynamic_list_cpp_typeinfo ();
+ if (command_line.dynamic_list != dynamic_list_data)
+ command_line.dynamic_list = dynamic_list;
+ if (command_line.symbolic == symbolic)
+ command_line.symbolic = symbolic_unset;
+ break;
+ case OPTION_DYNAMIC_LIST_CPP_NEW:
+ lang_append_dynamic_list_cpp_new ();
+ if (command_line.dynamic_list != dynamic_list_data)
+ command_line.dynamic_list = dynamic_list;
+ if (command_line.symbolic == symbolic)
+ command_line.symbolic = symbolic_unset;
+ break;
+ case OPTION_DYNAMIC_LIST:
+ /* This option indicates a small script that only specifies
+ a dynamic list. Read it, but don't assume that we've
+ seen a linker script. */
+ {
+ FILE *hold_script_handle;
+
+ hold_script_handle = saved_script_handle;
+ ldfile_open_command_file (optarg);
+ saved_script_handle = hold_script_handle;
+ parser_input = input_dynamic_list;
+ yyparse ();
+ }
+ if (command_line.dynamic_list != dynamic_list_data)
+ command_line.dynamic_list = dynamic_list;
+ if (command_line.symbolic == symbolic)
+ command_line.symbolic = symbolic_unset;
+ break;
case OPTION_WARN_COMMON:
config.warn_common = TRUE;
break;
case OPTION_WARN_FATAL:
config.fatal_warnings = TRUE;
break;
+ case OPTION_NO_WARN_FATAL:
+ config.fatal_warnings = FALSE;
+ break;
case OPTION_WARN_MULTIPLE_GP:
config.warn_multiple_gp = TRUE;
break;
case OPTION_WARN_SECTION_ALIGN:
config.warn_section_align = TRUE;
break;
+ case OPTION_WARN_SHARED_TEXTREL:
+ link_info.warn_shared_textrel = TRUE;
+ break;
+ case OPTION_WARN_ALTERNATE_EM:
+ link_info.warn_alternate_em = TRUE;
+ break;
case OPTION_WHOLE_ARCHIVE:
- whole_archive = TRUE;
+ input_flags.whole_archive = TRUE;
+ break;
+ case OPTION_ADD_DT_NEEDED_FOR_DYNAMIC:
+ input_flags.add_DT_NEEDED_for_dynamic = TRUE;
break;
- case OPTION_AS_NEEDED:
- as_needed = TRUE;
+ case OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC:
+ input_flags.add_DT_NEEDED_for_dynamic = FALSE;
break;
- case OPTION_NO_AS_NEEDED:
- as_needed = FALSE;
+ case OPTION_ADD_DT_NEEDED_FOR_REGULAR:
+ input_flags.add_DT_NEEDED_for_regular = TRUE;
+ break;
+ case OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR:
+ input_flags.add_DT_NEEDED_for_regular = FALSE;
break;
case OPTION_WRAP:
add_wrap (optarg);
link_info.discard = discard_all;
break;
case 'Y':
- if (strncmp (optarg, "P,", 2) == 0)
+ if (CONST_STRNEQ (optarg, "P,"))
optarg += 2;
if (default_dirlist != NULL)
free (default_dirlist);
config.split_by_file = 1;
break;
case OPTION_CHECK_SECTIONS:
- command_line.check_section_addresses = TRUE;
+ command_line.check_section_addresses = 1;
break;
case OPTION_NO_CHECK_SECTIONS:
- command_line.check_section_addresses = FALSE;
+ command_line.check_section_addresses = 0;
break;
case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
command_line.accept_unknown_input_arch = TRUE;
command_line.accept_unknown_input_arch = FALSE;
break;
case '(':
- if (ingroup)
- einfo (_("%P%F: may not nest groups (--help for usage)\n"));
-
lang_enter_group ();
- ingroup = 1;
+ ingroup++;
break;
case ')':
if (! ingroup)
einfo (_("%P%F: group ended before it began (--help for usage)\n"));
lang_leave_group ();
- ingroup = 0;
+ ingroup--;
break;
case OPTION_INIT:
case OPTION_FINI:
link_info.fini_function = optarg;
break;
+
+ case OPTION_REDUCE_MEMORY_OVERHEADS:
+ link_info.reduce_memory_overheads = TRUE;
+ if (config.hash_table_size == 0)
+ config.hash_table_size = 1021;
+ break;
+
+ case OPTION_HASH_SIZE:
+ {
+ bfd_size_type new_size;
+
+ new_size = strtoul (optarg, NULL, 0);
+ if (new_size)
+ config.hash_table_size = new_size;
+ else
+ einfo (_("%P%X: --hash-size needs a numeric argument\n"));
+ }
+ break;
}
}
- if (ingroup)
- lang_leave_group ();
+ while (ingroup)
+ {
+ lang_leave_group ();
+ ingroup--;
+ }
if (default_dirlist != NULL)
{
if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
/* FIXME: Should we allow emulations a chance to set this ? */
link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
-
+
if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
/* FIXME: Should we allow emulations a chance to set this ? */
link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
+
+ if (link_info.relocatable)
+ {
+ if (command_line.check_section_addresses < 0)
+ command_line.check_section_addresses = 0;
+ if (link_info.shared)
+ einfo (_("%P%F: -r and -shared may not be used together\n"));
+ }
+
+ /* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data,
+ --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and
+ --dynamic-list FILE. -Bsymbolic and -Bsymbolic-functions are
+ for shared libraries. -Bsymbolic overrides all others and vice
+ versa. */
+ switch (command_line.symbolic)
+ {
+ case symbolic_unset:
+ break;
+ case symbolic:
+ /* -Bsymbolic is for shared library only. */
+ if (link_info.shared)
+ {
+ link_info.symbolic = TRUE;
+ /* Should we free the unused memory? */
+ link_info.dynamic_list = NULL;
+ command_line.dynamic_list = dynamic_list_unset;
+ }
+ break;
+ case symbolic_functions:
+ /* -Bsymbolic-functions is for shared library only. */
+ if (link_info.shared)
+ command_line.dynamic_list = dynamic_list_data;
+ break;
+ }
+
+ switch (command_line.dynamic_list)
+ {
+ case dynamic_list_unset:
+ break;
+ case dynamic_list_data:
+ link_info.dynamic_data = TRUE;
+ case dynamic_list:
+ link_info.dynamic = TRUE;
+ break;
+ }
+
+ if (! link_info.shared)
+ {
+ if (command_line.filter_shlib)
+ einfo (_("%P%F: -F may not be used without -shared\n"));
+ if (command_line.auxiliary_filters)
+ einfo (_("%P%F: -f may not be used without -shared\n"));
+ }
+
+ if (! link_info.shared || link_info.pie)
+ link_info.executable = TRUE;
+
+ /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols). I
+ don't see how else this can be handled, since in this case we
+ must preserve all externally visible symbols. */
+ if (link_info.relocatable && link_info.strip == strip_all)
+ {
+ link_info.strip = strip_debugger;
+ if (link_info.discard == discard_sec_merge)
+ link_info.discard = discard_all;
+ }
}
/* Add the (colon-separated) elements of DIRLIST_PTR to the
bfd_vma val = bfd_scan_vma (valstr, &end, 16);
if (*end)
einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
- lang_section_start (sect, exp_intop (val));
+ lang_section_start (sect, exp_intop (val), NULL);
+}
+
+static void
+set_segment_start (const char *section, char *valstr)
+{
+ const char *name;
+ const char *end;
+ segment_type *seg;
+
+ bfd_vma val = bfd_scan_vma (valstr, &end, 16);
+ if (*end)
+ einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
+ /* If we already have an entry for this segment, update the existing
+ value. */
+ name = section + 1;
+ for (seg = segments; seg; seg = seg->next)
+ if (strcmp (seg->name, name) == 0)
+ {
+ seg->value = val;
+ return;
+ }
+ /* There was no existing value so we must create a new segment
+ entry. */
+ seg = (segment_type *) stat_alloc (sizeof (*seg));
+ seg->name = name;
+ seg->value = val;
+ seg->used = FALSE;
+ /* Add it to the linked list of segments. */
+ seg->next = segments;
+ segments = seg;
+ /* Historically, -Ttext and friends set the base address of a
+ particular section. For backwards compatibility, we still do
+ that. If a SEGMENT_START directive is seen, the section address
+ assignment will be disabled. */
+ lang_section_start (section, exp_intop (val), seg);
}
+
\f
/* Print help messages for the options. */
{
unsigned i;
const char **targets, **pp;
+ int len;
printf (_("Usage: %s [options] file...\n"), program_name);
if (ld_options[i].doc != NULL)
{
bfd_boolean comma;
- int len;
unsigned j;
printf (" ");
printf ("%s\n", _(ld_options[i].doc));
}
}
+ printf (_(" @FILE"));
+ for (len = strlen (" @FILE"); len < 30; len++)
+ putchar (' ');
+ printf (_("Read options from FILE\n"));
/* Note: Various tools (such as libtool) depend upon the
format of the listings below - do not change them. */
ldemul_list_emulation_options (stdout);
printf ("\n");
- printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
+ if (REPORT_BUGS_TO[0])
+ printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
}
projects / binutils.git / blobdiff