/* Parse options for the GNU linker.
- Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1991-2020 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
#include "safe-ctype.h"
#include "getopt.h"
#include "bfdlink.h"
+#include "ctf-api.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
#include "ldver.h"
#include "ldemul.h"
#include "demangle.h"
+#if BFD_SUPPORTS_PLUGINS
+#include "plugin.h"
+#endif /* BFD_SUPPORTS_PLUGINS */
#ifndef PATH_SEPARATOR
#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
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_SYSROOT,
- 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_NO_WARN_SEARCH_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_SORT_SECTION,
- OPTION_STATS,
- OPTION_SYMBOLIC,
- OPTION_SYMBOLIC_FUNCTIONS,
- 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_DYNAMIC_LIST,
- OPTION_DYNAMIC_LIST_CPP_NEW,
- OPTION_DYNAMIC_LIST_CPP_TYPEINFO,
- OPTION_DYNAMIC_LIST_DATA,
- 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_ADD_NEEDED,
- OPTION_NO_ADD_NEEDED,
- OPTION_AS_NEEDED,
- OPTION_NO_AS_NEEDED,
- OPTION_WRAP,
- OPTION_FORCE_EXE_SUFFIX,
- OPTION_GC_SECTIONS,
- OPTION_NO_GC_SECTIONS,
- OPTION_PRINT_GC_SECTIONS,
- OPTION_NO_PRINT_GC_SECTIONS,
- OPTION_HASH_SIZE,
- 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_DEFAULT_SYMVER,
- OPTION_DEFAULT_IMPORTED_SYMVER,
- 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,
- OPTION_WARN_SHARED_TEXTREL,
- OPTION_REDUCE_MEMORY_OVERHEADS,
- OPTION_DEFAULT_SCRIPT
-};
-
/* 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 = 1,
+ /* Use two dashes before long option name. */
+ TWO_DASHES = 2,
+ /* 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[] =
'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 },
+ { {"dependency-file", required_argument, NULL, OPTION_DEPENDENCY_FILE},
+ '\0', N_("FILE"), N_("Write dependency file"), TWO_DASHES },
{ {"dp", no_argument, NULL, 'd'},
'\0', NULL, NULL, ONE_DASH },
+ { {"force-group-allocation", no_argument, NULL,
+ OPTION_FORCE_GROUP_ALLOCATION},
+ '\0', NULL, N_("Force group members out of groups"), TWO_DASHES },
{ {"entry", required_argument, NULL, 'e'},
'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 },
+ { {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC},
+ '\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES },
+ { {"enable-non-contiguous-regions", no_argument, NULL, OPTION_NON_CONTIGUOUS_REGIONS},
+ '\0', NULL, N_("Enable support of non-contiguous memory regions"), TWO_DASHES },
+ { {"enable-non-contiguous-regions-warnings", no_argument, NULL, OPTION_NON_CONTIGUOUS_REGIONS_WARNINGS},
+ '\0', NULL, N_("Enable warnings when --enable-non-contiguous-regions may cause unexpected behaviour"), TWO_DASHES },
{ {"EB", no_argument, NULL, OPTION_EB},
'\0', NULL, N_("Link big-endian objects"), ONE_DASH },
{ {"EL", no_argument, NULL, OPTION_EL},
{ {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
TWO_DASHES },
+ { {"no-dynamic-linker", no_argument, NULL, OPTION_NO_DYNAMIC_LINKER},
+ '\0', NULL, N_("Produce an executable with no program interpreter header"),
+ TWO_DASHES },
{ {"library", required_argument, NULL, 'l'},
'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
{ {"library-path", required_argument, NULL, 'L'},
'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
{ {NULL, required_argument, NULL, '\0'},
'O', NULL, N_("Optimize output file"), ONE_DASH },
+ { {"out-implib", required_argument, NULL, OPTION_OUT_IMPLIB},
+ '\0', N_("FILE"), N_("Generate import library"), TWO_DASHES },
+#if BFD_SUPPORTS_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 },
+#else
+ { {"plugin", required_argument, NULL, OPTION_IGNORE},
+ '\0', N_("PLUGIN"), N_("Load named plugin (ignored)"), ONE_DASH },
+ { {"plugin-opt", required_argument, NULL, OPTION_IGNORE},
+ '\0', N_("ARG"), N_("Send arg to last-loaded plugin (ignored)"), ONE_DASH },
+#endif /* BFD_SUPPORTS_PLUGINS */
+ { {"fuse-ld=", required_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for GCC linker option compatibility"),
+ ONE_DASH },
+ { {"map-whole-files", optional_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for gold option compatibility"),
+ TWO_DASHES },
+ { {"no-map-whole-files", optional_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for gold option compatibility"),
+ TWO_DASHES },
{ {"Qy", no_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
{ {"emit-relocs", no_argument, NULL, 'q'},
{ {"undefined", required_argument, NULL, 'u'},
'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
TWO_DASHES },
+ { {"require-defined", required_argument, NULL, OPTION_REQUIRE_DEFINED_SYMBOL},
+ '\0', N_("SYMBOL"), N_("Require SYMBOL be defined in the final output"),
+ TWO_DASHES },
{ {"unique", optional_argument, NULL, OPTION_UNIQUE},
'\0', N_("[=SECTION]"),
N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
'\0', NULL, N_("Reject input files whose architecture is unknown"),
TWO_DASHES },
- { {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED},
- '\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n"
- " following dynamic libs"),
- TWO_DASHES },
- { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED},
- '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n"
- " in following dynamic libs"),
- TWO_DASHES },
- { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
+
+ /* 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_AS_NEEDED},
- '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"),
+ { {"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 },
{ {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
'\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 },
{ {"defsym", required_argument, NULL, OPTION_DEFSYM},
{ {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
'\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
TWO_DASHES },
+ { {"disable-multiple-abs-defs", no_argument, NULL,
+ OPTION_DISABLE_MULTIPLE_DEFS_ABS},
+ '\0', NULL, N_("Do not allow multiple definitions with symbols included\n"
+ " in filename invoked by -R or --just-symbols"),
+ TWO_DASHES},
{ {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
'\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 },
{ {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
{ {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
'\0', NULL, N_("Do not list removed unused sections"),
TWO_DASHES },
+ { {"gc-keep-exported", no_argument, NULL, OPTION_GC_KEEP_EXPORTED},
+ '\0', NULL, N_("Keep exported symbols when removing 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 },
{ {"init", required_argument, NULL, OPTION_INIT},
'\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/DIR"), N_("Write a linker map to FILE or DIR/<outputname>.map"), ONE_DASH },
{ {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
'\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
{ {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
'\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"),
+ '\0', NULL, N_("Allow unresolved references in shared libraries"),
TWO_DASHES },
{ {"no-allow-shlib-undefined", no_argument, NULL,
OPTION_NO_ALLOW_SHLIB_UNDEFINED},
{ {"oformat", required_argument, NULL, OPTION_OFORMAT},
'\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 },
+ { {"print-sysroot", no_argument, NULL, OPTION_PRINT_SYSROOT},
+ '\0', NULL, N_("Print current sysroot"), TWO_DASHES },
{ {"qmagic", no_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
{ {"reduce-memory-overheads", no_argument, NULL,
'\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 },
'\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 },
+ { {"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 },
{ {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
- '\0', N_("name|alignment"),
+ '\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"),
'\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 },
+ { {"Ttext-segment", required_argument, NULL, OPTION_TTEXT_SEGMENT},
+ '\0', N_("ADDRESS"), N_("Set address of text segment"), ONE_DASH },
+ { {"Trodata-segment", required_argument, NULL, OPTION_TRODATA_SEGMENT},
+ '\0', N_("ADDRESS"), N_("Set address of rodata segment"), ONE_DASH },
+ { {"Tldata-segment", required_argument, NULL, OPTION_TLDATA_SEGMENT},
+ '\0', N_("ADDRESS"), N_("Set address of ldata 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 },
{ {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
'\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 },
+ { {"export-dynamic-symbol", required_argument, NULL, OPTION_EXPORT_DYNAMIC_SYMBOL},
+ '\0', N_("SYMBOL"), N_("Export the specified symbol"), EXACTLY_TWO_DASHES },
+ { {"export-dynamic-symbol-list", required_argument, NULL, OPTION_EXPORT_DYNAMIC_SYMBOL_LIST},
+ '\0', N_("FILE"), N_("Read export dynamic symbol list"), EXACTLY_TWO_DASHES },
{ {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
'\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
{ {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
{ {"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-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
- '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
+ { {"warn-textrel", no_argument, NULL, OPTION_WARN_TEXTREL},
+ '\0', NULL,
+#if DEFAULT_LD_TEXTREL_CHECK_WARNING
+ N_("Warn if outpout has DT_TEXTREL (default)"),
+#else
+ N_("Warn if outpout has DT_TEXTREL"),
+#endif
+ TWO_DASHES },
+ { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_TEXTREL},
+ '\0', NULL, NULL, NO_HELP },
+ { {"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},
TWO_DASHES },
{ {"wrap", required_argument, NULL, OPTION_WRAP},
'\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
+ { {"ignore-unresolved-symbol", required_argument, NULL,
+ OPTION_IGNORE_UNRESOLVED_SYMBOL},
+ '\0', N_("SYMBOL"),
+ N_("Unresolved SYMBOL will not cause an error or warning"), TWO_DASHES },
+ { {"push-state", no_argument, NULL, OPTION_PUSH_STATE},
+ '\0', NULL, N_("Push state of flags governing input file handling"),
+ TWO_DASHES },
+ { {"pop-state", no_argument, NULL, OPTION_POP_STATE},
+ '\0', NULL, N_("Pop state of flags governing input file handling"),
+ TWO_DASHES },
+ { {"print-memory-usage", no_argument, NULL, OPTION_PRINT_MEMORY_USAGE},
+ '\0', NULL, N_("Report target memory usage"), TWO_DASHES },
+ { {"orphan-handling", required_argument, NULL, OPTION_ORPHAN_HANDLING},
+ '\0', N_("=MODE"), N_("Control how orphan sections are handled."),
+ TWO_DASHES },
+ { {"print-map-discarded", no_argument, NULL, OPTION_PRINT_MAP_DISCARDED},
+ '\0', NULL, N_("Show discarded sections in map file output (default)"),
+ TWO_DASHES },
+ { {"no-print-map-discarded", no_argument, NULL, OPTION_NO_PRINT_MAP_DISCARDED},
+ '\0', NULL, N_("Do not show discarded sections in map file output"),
+ TWO_DASHES },
};
#define OPTION_COUNT ARRAY_SIZE (ld_options)
struct option *longopts;
struct option *really_longopts;
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));
+ enum symbolic_enum
+ {
+ symbolic_unset = 0,
+ symbolic,
+ symbolic_functions,
+ } opt_symbolic = symbolic_unset;
+ enum dynamic_list_enum
+ {
+ dynamic_list_unset = 0,
+ dynamic_list_data,
+ dynamic_list
+ } opt_dynamic_list = dynamic_list_unset;
+ struct bfd_elf_dynamic_list *export_list = NULL;
+
+ 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
switch (optc)
{
case '?':
- einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
+ {
+ /* If the last word on the command line is an option that
+ requires an argument, getopt will refuse to recognise it.
+ Try to catch such options here and issue a more helpful
+ error message than just "unrecognized option". */
+ int opt;
+
+ for (opt = ARRAY_SIZE (ld_options); opt--;)
+ if (ld_options[opt].opt.has_arg == required_argument
+ /* FIXME: There are a few short options that do not
+ have long equivalents, but which require arguments.
+ We should handle them too. */
+ && ld_options[opt].opt.name != NULL
+ && strcmp (argv[last_optind] + ld_options[opt].control, ld_options[opt].opt.name) == 0)
+ {
+ einfo (_("%P: %s: missing argument\n"), argv[last_optind]);
+ break;
+ }
+
+ if (opt == -1)
+ einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
+ }
/* Fall through. */
default:
- einfo (_("%P%F: use the --help option for usage information\n"));
+ einfo (_("%F%P: use the --help option for usage information\n"));
+ break;
case 1: /* File name. */
lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
``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);
+ einfo (_("%F%P: unrecognized -a option `%s'\n"), optarg);
break;
case OPTION_ASSERT:
/* FIXME: We just ignore these, but we should handle them. */
else if (strcmp (optarg, "pure-text") == 0)
;
else
- einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
+ einfo (_("%F%P: unrecognized -assert option `%s'\n"), optarg);
break;
case 'A':
ldfile_add_arch (optarg);
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;
case 'd':
command_line.force_common_definition = TRUE;
break;
+ case OPTION_FORCE_GROUP_ALLOCATION:
+ command_line.force_group_allocation = 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 'I': /* Used on Solaris. */
case OPTION_DYNAMIC_LINKER:
command_line.interpreter = optarg;
+ link_info.nointerp = 0;
+ break;
+ case OPTION_NO_DYNAMIC_LINKER:
+ link_info.nointerp = 1;
break;
case OPTION_SYSROOT:
/* Already handled in ldmain.c. */
case 'E': /* HP/UX compatibility. */
link_info.export_dynamic = TRUE;
break;
+ case OPTION_NO_EXPORT_DYNAMIC:
+ link_info.export_dynamic = FALSE;
+ break;
+ case OPTION_NON_CONTIGUOUS_REGIONS:
+ link_info.non_contiguous_regions = TRUE;
+ break;
+ case OPTION_NON_CONTIGUOUS_REGIONS_WARNINGS:
+ link_info.non_contiguous_regions_warnings = TRUE;
+ 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,
- (c + 2) * sizeof (char *));
+ 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;
}
char *end;
g_switch_value = strtoul (optarg, &end, 0);
if (*end)
- einfo (_("%P%F: invalid number `%s'\n"), optarg);
+ einfo (_("%F%P: invalid number `%s'\n"), optarg);
}
break;
case 'g':
case OPTION_PRINT_GC_SECTIONS:
link_info.print_gc_sections = TRUE;
break;
+ case OPTION_GC_KEEP_EXPORTED:
+ link_info.gc_keep_exported = TRUE;
+ break;
case OPTION_HELP:
help ();
xexit (0);
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.text_read_only = TRUE;
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;
+ link_info.inhibit_common_definition = TRUE;
break;
case OPTION_NO_DEMANGLE:
demangling = FALSE;
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 = RM_DIAGNOSE;
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 = RM_DIAGNOSE;
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 = RM_DIAGNOSE;
+ link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE;
}
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 = RM_DIAGNOSE;
}
- else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
+ 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 = RM_DIAGNOSE;
link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
}
else
- einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg);
+ einfo (_("%F%P: bad --unresolved-symbols option: %s\n"), optarg);
break;
case OPTION_WARN_UNRESOLVED_SYMBOLS:
- how_to_report_unresolved_symbols = RM_GENERATE_WARNING;
- if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR)
- link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING;
- if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
- link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
+ link_info.warn_unresolved_syms = TRUE;
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;
+ link_info.warn_unresolved_syms = FALSE;
break;
case OPTION_ALLOW_MULTIPLE_DEFINITION:
link_info.allow_multiple_definition = TRUE;
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_OUT_IMPLIB:
+ command_line.out_implib_filename = xstrdup (optarg);
+ break;
+ case OPTION_PRINT_SYSROOT:
+ if (*ld_sysroot)
+ puts (ld_sysroot);
+ xexit (0);
+ break;
+ case OPTION_PRINT_OUTPUT_FORMAT:
+ command_line.print_output_format = TRUE;
+ break;
+#if BFD_SUPPORTS_PLUGINS
+ case OPTION_PLUGIN:
+ plugin_opt_plugin (optarg);
+ break;
+ case OPTION_PLUGIN_OPT:
+ if (plugin_opt_plugin_arg (optarg))
+ einfo (_("%F%P: bad -plugin-opt option\n"));
+ break;
+#endif /* BFD_SUPPORTS_PLUGINS */
case 'q':
link_info.emitrelocations = TRUE;
break;
an error message here. We cannot just make this a warning,
increment optind, and continue because getopt is too confused
and will seg-fault the next time around. */
- einfo(_("%P%F: bad -rpath option\n"));
+ einfo(_("%F%P: unrecognised option: %s\n"), argv[optind]);
+
+ if (bfd_link_pic (&link_info))
+ einfo (_("%F%P: -r and %s may not be used together\n"),
+ bfd_link_dll (&link_info) ? "-shared" : "-pie");
- link_info.relocatable = TRUE;
+ link_info.type = type_relocatable;
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
if (cp == NULL)
{
- buf = xmalloc (rpath_len + optarg_len + 2);
+ buf = (char *) xmalloc (rpath_len + optarg_len + 2);
sprintf (buf, "%s%c%s", command_line.rpath,
config.rpath_separator, optarg);
free (command_line.rpath);
{
char *buf;
- buf = xmalloc (strlen (command_line.rpath_link)
- + strlen (optarg)
- + 2);
+ 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);
case OPTION_NO_STRIP_DISCARDED:
link_info.strip_discarded = FALSE;
break;
+ case OPTION_DISABLE_MULTIPLE_DEFS_ABS:
+ link_info.prohibit_multiple_definition_absolute = TRUE;
+ break;
case OPTION_SHARED:
if (config.has_shared)
{
- link_info.shared = TRUE;
+ if (bfd_link_relocatable (&link_info))
+ einfo (_("%F%P: -r and %s may not be used together\n"),
+ "-shared");
+
+ link_info.type = type_dll;
/* When creating a shared library, the default
behaviour is to ignore any unresolved references. */
if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
}
else
- einfo (_("%P%F: -shared not supported\n"));
+ einfo (_("%F%P: -shared not supported\n"));
break;
case OPTION_PIE:
if (config.has_shared)
{
- link_info.shared = TRUE;
- link_info.pie = TRUE;
+ if (bfd_link_relocatable (&link_info))
+ einfo (_("%F%P: -r and %s may not be used together\n"), "-pie");
+
+ link_info.type = type_pie;
}
else
- einfo (_("%P%F: -pie not supported\n"));
+ einfo (_("%F%P: -pie not supported\n"));
break;
case 'h': /* Used on Solaris. */
case OPTION_SONAME:
- command_line.soname = optarg;
+ if (optarg[0] == '\0' && command_line.soname
+ && command_line.soname[0])
+ einfo (_("%P: SONAME must not be empty string; keeping previous one\n"));
+ else
+ 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 (_("%F%P: invalid common section sorting option: %s\n"),
+ optarg);
break;
case OPTION_SORT_SECTION:
if (strcmp (optarg, N_("name")) == 0)
else if (strcmp (optarg, N_("alignment")) == 0)
sort_section = by_alignment;
else
- einfo (_("%P%F: invalid section sorting option: %s\n"),
+ einfo (_("%F%P: invalid section sorting option: %s\n"),
optarg);
break;
case OPTION_STATS:
config.stats = TRUE;
break;
case OPTION_SYMBOLIC:
- command_line.symbolic = symbolic;
+ opt_symbolic = symbolic;
break;
case OPTION_SYMBOLIC_FUNCTIONS:
- command_line.symbolic = symbolic_functions;
+ opt_symbolic = symbolic_functions;
break;
case 't':
- trace_files = TRUE;
+ ++trace_files;
break;
case 'T':
previous_script_handle = saved_script_handle;
- ldfile_open_command_file (optarg);
+ ldfile_open_script_file (optarg);
parser_input = input_script;
yyparse ();
previous_script_handle = NULL;
/* Check for <something>=<somthing>... */
optarg2 = strchr (optarg, '=');
if (optarg2 == NULL)
- einfo (_("%P%F: invalid argument to option"
+ einfo (_("%F%P: 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"
+ einfo (_("%F%P: 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;
case OPTION_TTEXT:
set_segment_start (".text", optarg);
break;
+ case OPTION_TTEXT_SEGMENT:
+ set_segment_start (".text-segment", optarg);
+ break;
+ case OPTION_TRODATA_SEGMENT:
+ set_segment_start (".rodata-segment", optarg);
+ break;
+ case OPTION_TLDATA_SEGMENT:
+ set_segment_start (".ldata-segment", optarg);
+ break;
case OPTION_TRADITIONAL_FORMAT:
link_info.traditional_format = TRUE;
break;
case OPTION_TASK_LINK:
link_info.task_link = TRUE;
- /* Fall through - do an implied -r option. */
+ /* Fall through. */
case OPTION_UR:
- link_info.relocatable = TRUE;
+ if (bfd_link_pic (&link_info))
+ einfo (_("%F%P: -r and %s may not be used together\n"),
+ bfd_link_dll (&link_info) ? "-shared" : "-pie");
+
+ link_info.type = type_relocatable;
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_REQUIRE_DEFINED_SYMBOL:
+ ldlang_add_require_defined (optarg);
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 (_("%F%P: invalid number `%s'\n"), optarg);
+#if BFD_SUPPORTS_PLUGINS
+ report_plugin_symbols = level > 1;
+#endif /* BFD_SUPPORTS_PLUGINS */
+ }
break;
case 'v':
ldversion (0);
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;
+ opt_dynamic_list = dynamic_list_data;
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;
+ if (opt_dynamic_list != dynamic_list_data)
+ opt_dynamic_list = dynamic_list;
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;
+ if (opt_dynamic_list != dynamic_list_data)
+ opt_dynamic_list = dynamic_list;
break;
case OPTION_DYNAMIC_LIST:
/* This option indicates a small script that only specifies
ldfile_open_command_file (optarg);
saved_script_handle = hold_script_handle;
parser_input = input_dynamic_list;
+ current_dynamic_list_p = &link_info.dynamic_list;
+ yyparse ();
+ }
+ if (opt_dynamic_list != dynamic_list_data)
+ opt_dynamic_list = dynamic_list;
+ break;
+ case OPTION_EXPORT_DYNAMIC_SYMBOL:
+ {
+ struct bfd_elf_version_expr *expr
+ = lang_new_vers_pattern (NULL, xstrdup (optarg), NULL,
+ FALSE);
+ lang_append_dynamic_list (&export_list, expr);
+ }
+ break;
+ case OPTION_EXPORT_DYNAMIC_SYMBOL_LIST:
+ /* This option indicates a small script that only specifies
+ an export 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;
+ current_dynamic_list_p = &export_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;
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;
+ case OPTION_WARN_TEXTREL:
+ link_info.textrel_check = textrel_check_warning;
+ 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_NEEDED:
- add_needed = TRUE;
+ case OPTION_ADD_DT_NEEDED_FOR_DYNAMIC:
+ input_flags.add_DT_NEEDED_for_dynamic = TRUE;
break;
- case OPTION_NO_ADD_NEEDED:
- add_needed = FALSE;
+ case OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC:
+ input_flags.add_DT_NEEDED_for_dynamic = FALSE;
break;
- case OPTION_AS_NEEDED:
- as_needed = TRUE;
+ case OPTION_ADD_DT_NEEDED_FOR_REGULAR:
+ input_flags.add_DT_NEEDED_for_regular = TRUE;
break;
- case OPTION_NO_AS_NEEDED:
- as_needed = FALSE;
+ case OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR:
+ input_flags.add_DT_NEEDED_for_regular = FALSE;
break;
case OPTION_WRAP:
add_wrap (optarg);
break;
+ case OPTION_IGNORE_UNRESOLVED_SYMBOL:
+ add_ignoresym (&link_info, optarg);
+ break;
case OPTION_DISCARD_NONE:
link_info.discard = discard_none;
break;
case 'Y':
if (CONST_STRNEQ (optarg, "P,"))
optarg += 2;
- if (default_dirlist != NULL)
- free (default_dirlist);
+ free (default_dirlist);
default_dirlist = xstrdup (optarg);
break;
case 'y':
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"));
+ einfo (_("%F%P: group ended before it began (--help for usage)\n"));
lang_leave_group ();
- ingroup = 0;
+ ingroup--;
break;
case OPTION_INIT:
config.hash_table_size = 1021;
break;
- case OPTION_HASH_SIZE:
+ 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;
+ new_size = strtoul (optarg, NULL, 0);
+ if (new_size)
+ config.hash_table_size = new_size;
+ else
+ einfo (_("%X%P: --hash-size needs a numeric argument\n"));
+ }
+ break;
+
+ case OPTION_PUSH_STATE:
+ input_flags.pushed = xmemdup (&input_flags,
+ sizeof (input_flags),
+ sizeof (input_flags));
+ break;
+
+ case OPTION_POP_STATE:
+ if (input_flags.pushed == NULL)
+ einfo (_("%F%P: no state pushed before popping\n"));
+ else
+ {
+ struct lang_input_statement_flags *oldp = input_flags.pushed;
+ memcpy (&input_flags, oldp, sizeof (input_flags));
+ free (oldp);
+ }
+ break;
+
+ case OPTION_PRINT_MEMORY_USAGE:
+ command_line.print_memory_usage = TRUE;
+ break;
+
+ case OPTION_ORPHAN_HANDLING:
+ if (strcasecmp (optarg, "place") == 0)
+ config.orphan_handling = orphan_handling_place;
+ else if (strcasecmp (optarg, "warn") == 0)
+ config.orphan_handling = orphan_handling_warn;
+ else if (strcasecmp (optarg, "error") == 0)
+ config.orphan_handling = orphan_handling_error;
+ else if (strcasecmp (optarg, "discard") == 0)
+ config.orphan_handling = orphan_handling_discard;
+ else
+ einfo (_("%F%P: invalid argument to option"
+ " \"--orphan-handling\"\n"));
+ break;
+
+ case OPTION_NO_PRINT_MAP_DISCARDED:
+ config.print_map_discarded = FALSE;
+ break;
+
+ case OPTION_PRINT_MAP_DISCARDED:
+ config.print_map_discarded = TRUE;
+ break;
+
+ case OPTION_DEPENDENCY_FILE:
+ config.dependency_file = optarg;
+ break;
+ }
+ }
+
+ /* Run a couple of checks on the map filename. */
+ if (config.map_filename)
+ {
+ if (config.map_filename[0] == 0)
+ {
+ einfo (_("%P: no file/directory name provided for map output; ignored\n"));
+ config.map_filename = NULL;
+ }
+ else
+ {
+ struct stat s;
+
+ /* If the map filename is actually a directory then create
+ a file inside it, based upon the output filename. */
+ if (stat (config.map_filename, &s) >= 0
+ && S_ISDIR (s.st_mode))
+ {
+ char * new_name;
+
+ /* FIXME: This is a (trivial) memory leak. */
+ if (asprintf (&new_name, "%s/%s.map",
+ config.map_filename, output_filename) < 0)
+ {
+ /* If this alloc fails then something is probably very
+ wrong. Better to halt now rather than continue on
+ into more problems. */
+ einfo (_("%P%F: cannot create name for linker map file: %E\n"));
+ new_name = NULL;
+ }
+
+ config.map_filename = new_name;
+ }
}
}
- if (ingroup)
- lang_leave_group ();
+ if (command_line.soname && command_line.soname[0] == '\0')
+ {
+ einfo (_("%P: SONAME must not be empty string; ignored\n"));
+ command_line.soname = NULL;
+ }
+
+ while (ingroup)
+ {
+ einfo (_("%P: missing --end-group; added as last command line option\n"));
+ 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;
+ link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
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;
+ link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE;
+
+ if (bfd_link_relocatable (&link_info)
+ && command_line.check_section_addresses < 0)
+ command_line.check_section_addresses = 0;
+
+ if (export_list)
+ {
+ struct bfd_elf_version_expr *head = export_list->head.list;
+ struct bfd_elf_version_expr *next;
+
+ /* For --export-dynamic-symbol[-list]:
+ 1. When building executable, treat like --dynamic-list.
+ 2. When building shared object:
+ a. If -Bsymbolic or --dynamic-list are used, treat like
+ --dynamic-list.
+ b. Otherwise, ignored.
+ */
+ if (!bfd_link_relocatable (&link_info)
+ && (bfd_link_executable (&link_info)
+ || opt_symbolic != symbolic_unset
+ || opt_dynamic_list != dynamic_list_unset))
+ {
+ /* Append the export list to link_info.dynamic_list. */
+ if (link_info.dynamic_list)
+ {
+ for (next = head; next->next != NULL; next = next->next)
+ ;
+ next->next = link_info.dynamic_list->head.list;
+ link_info.dynamic_list->head.list = head;
+ }
+ else
+ link_info.dynamic_list = export_list;
+
+ if (opt_dynamic_list != dynamic_list_data)
+ opt_dynamic_list = dynamic_list;
+ }
+ else
+ {
+ /* Free the export list. */
+ for (; head->next != NULL; head = next)
+ {
+ next = head->next;
+ free (head);
+ }
+ free (export_list);
+ }
+ }
+
+ switch (opt_dynamic_list)
+ {
+ case dynamic_list_unset:
+ break;
+ case dynamic_list_data:
+ link_info.dynamic_data = TRUE;
+ /* Fall through. */
+ case dynamic_list:
+ link_info.dynamic = TRUE;
+ opt_symbolic = symbolic_unset;
+ break;
+ }
+
+ /* -Bsymbolic and -Bsymbols-functions are for shared library output. */
+ if (bfd_link_dll (&link_info))
+ switch (opt_symbolic)
+ {
+ case symbolic_unset:
+ break;
+ case symbolic:
+ link_info.symbolic = TRUE;
+ if (link_info.dynamic_list)
+ {
+ struct bfd_elf_version_expr *ent, *next;
+ for (ent = link_info.dynamic_list->head.list; ent; ent = next)
+ {
+ next = ent->next;
+ free (ent);
+ }
+ free (link_info.dynamic_list);
+ link_info.dynamic_list = NULL;
+ }
+ break;
+ case symbolic_functions:
+ link_info.dynamic = TRUE;
+ link_info.dynamic_data = TRUE;
+ break;
+ }
+
+ if (!bfd_link_dll (&link_info))
+ {
+ if (command_line.filter_shlib)
+ einfo (_("%F%P: -F may not be used without -shared\n"));
+ if (command_line.auxiliary_filters)
+ einfo (_("%F%P: -f may not be used without -shared\n"));
+ }
+
+ /* 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 (bfd_link_relocatable (&link_info) && 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
const char *end;
bfd_vma val = bfd_scan_vma (valstr, &end, 16);
if (*end)
- einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
+ einfo (_("%F%P: invalid hex number `%s'\n"), valstr);
lang_section_start (sect, exp_intop (val), NULL);
}
bfd_vma val = bfd_scan_vma (valstr, &end, 16);
if (*end)
- einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
+ einfo (_("%F%P: invalid hex number `%s'\n"), valstr);
/* If we already have an entry for this segment, update the existing
value. */
name = section + 1;
if (strcmp (seg->name, name) == 0)
{
seg->value = val;
+ lang_section_start (section, exp_intop (val), seg);
return;
}
/* There was no existing value so we must create a new segment
lang_section_start (section, exp_intop (val), seg);
}
+static void
+elf_shlib_list_options (FILE *file)
+{
+ fprintf (file, _("\
+ --audit=AUDITLIB Specify a library to use for auditing\n"));
+ fprintf (file, _("\
+ -Bgroup Selects group name lookup rules for DSO\n"));
+ fprintf (file, _("\
+ --disable-new-dtags Disable new dynamic tags\n"));
+ fprintf (file, _("\
+ --enable-new-dtags Enable new dynamic tags\n"));
+ fprintf (file, _("\
+ --eh-frame-hdr Create .eh_frame_hdr section\n"));
+ fprintf (file, _("\
+ --no-eh-frame-hdr Do not create .eh_frame_hdr section\n"));
+ fprintf (file, _("\
+ --exclude-libs=LIBS Make all symbols in LIBS hidden\n"));
+ fprintf (file, _("\
+ --hash-style=STYLE Set hash style to sysv/gnu/both. Default: "));
+ if (DEFAULT_EMIT_SYSV_HASH)
+ {
+ /* Note - these strings are not translated as
+ they are keywords not descriptive text. */
+ if (DEFAULT_EMIT_GNU_HASH)
+ fprintf (file, "both\n");
+ else
+ fprintf (file, "sysv\n");
+ }
+ else
+ {
+ if (DEFAULT_EMIT_GNU_HASH)
+ fprintf (file, "gnu\n");
+ else
+ /* FIXME: Can this happen ? */
+ fprintf (file, "none\n");
+ }
+ fprintf (file, _("\
+ -P AUDITLIB, --depaudit=AUDITLIB\n" "\
+ Specify a library to use for auditing dependencies\n"));
+ fprintf (file, _("\
+ -z combreloc Merge dynamic relocs into one section and sort\n"));
+ fprintf (file, _("\
+ -z nocombreloc Don't merge dynamic relocs into one section\n"));
+ fprintf (file, _("\
+ -z global Make symbols in DSO available for subsequently\n\
+ loaded objects\n"));
+ fprintf (file, _("\
+ -z initfirst Mark DSO to be initialized first at runtime\n"));
+ fprintf (file, _("\
+ -z interpose Mark object to interpose all DSOs but executable\n"));
+ fprintf (file, _("\
+ -z lazy Mark object lazy runtime binding (default)\n"));
+ fprintf (file, _("\
+ -z loadfltr Mark object requiring immediate process\n"));
+ fprintf (file, _("\
+ -z nocopyreloc Don't create copy relocs\n"));
+ fprintf (file, _("\
+ -z nodefaultlib Mark object not to use default search paths\n"));
+ fprintf (file, _("\
+ -z nodelete Mark DSO non-deletable at runtime\n"));
+ fprintf (file, _("\
+ -z nodlopen Mark DSO not available to dlopen\n"));
+ fprintf (file, _("\
+ -z nodump Mark DSO not available to dldump\n"));
+ fprintf (file, _("\
+ -z now Mark object non-lazy runtime binding\n"));
+ fprintf (file, _("\
+ -z origin Mark object requiring immediate $ORIGIN\n\
+ processing at runtime\n"));
+#if DEFAULT_LD_Z_RELRO
+ fprintf (file, _("\
+ -z relro Create RELRO program header (default)\n"));
+ fprintf (file, _("\
+ -z norelro Don't create RELRO program header\n"));
+#else
+ fprintf (file, _("\
+ -z relro Create RELRO program header\n"));
+ fprintf (file, _("\
+ -z norelro Don't create RELRO program header (default)\n"));
+#endif
+#if DEFAULT_LD_Z_SEPARATE_CODE
+ fprintf (file, _("\
+ -z separate-code Create separate code program header (default)\n"));
+ fprintf (file, _("\
+ -z noseparate-code Don't create separate code program header\n"));
+#else
+ fprintf (file, _("\
+ -z separate-code Create separate code program header\n"));
+ fprintf (file, _("\
+ -z noseparate-code Don't create separate code program header (default)\n"));
+#endif
+ fprintf (file, _("\
+ -z common Generate common symbols with STT_COMMON type\n"));
+ fprintf (file, _("\
+ -z nocommon Generate common symbols with STT_OBJECT type\n"));
+ fprintf (file, _("\
+ -z stack-size=SIZE Set size of stack segment\n"));
+ if (link_info.textrel_check == textrel_check_error)
+ fprintf (file, _("\
+ -z text Treat DT_TEXTREL in output as error (default)\n"));
+ else
+ fprintf (file, _("\
+ -z text Treat DT_TEXTREL in output as error\n"));
+ if (link_info.textrel_check == textrel_check_none)
+ {
+ fprintf (file, _("\
+ -z notext Don't treat DT_TEXTREL in output as error (default)\n"));
+ fprintf (file, _("\
+ -z textoff Don't treat DT_TEXTREL in output as error (default)\n"));
+ }
+ else
+ {
+ fprintf (file, _("\
+ -z notext Don't treat DT_TEXTREL in output as error\n"));
+ fprintf (file, _("\
+ -z textoff Don't treat DT_TEXTREL in output as error\n"));
+ }
+}
+
+static void
+elf_static_list_options (FILE *file)
+{
+ fprintf (file, _("\
+ --build-id[=STYLE] Generate build ID note\n"));
+ fprintf (file, _("\
+ --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi]\n\
+ Compress DWARF debug sections using zlib\n"));
+#ifdef DEFAULT_FLAG_COMPRESS_DEBUG
+ fprintf (file, _("\
+ Default: zlib-gabi\n"));
+#else
+ fprintf (file, _("\
+ Default: none\n"));
+#endif
+ fprintf (file, _("\
+ -z common-page-size=SIZE Set common page size to SIZE\n"));
+ fprintf (file, _("\
+ -z max-page-size=SIZE Set maximum page size to SIZE\n"));
+ fprintf (file, _("\
+ -z defs Report unresolved symbols in object files\n"));
+ fprintf (file, _("\
+ -z muldefs Allow multiple definitions\n"));
+ fprintf (file, _("\
+ -z execstack Mark executable as requiring executable stack\n"));
+ fprintf (file, _("\
+ -z noexecstack Mark executable as not requiring executable stack\n"));
+ fprintf (file, _("\
+ -z globalaudit Mark executable requiring global auditing\n"));
+}
+
+static void
+elf_plt_unwind_list_options (FILE *file)
+{
+ fprintf (file, _("\
+ --ld-generated-unwind-info Generate exception handling info for PLT\n"));
+ fprintf (file, _("\
+ --no-ld-generated-unwind-info\n\
+ Don't generate exception handling info for PLT\n"));
+}
+
+static void
+ld_list_options (FILE *file, bfd_boolean elf, bfd_boolean shlib,
+ bfd_boolean plt_unwind)
+{
+ if (!elf)
+ return;
+ printf (_("ELF emulations:\n"));
+ if (plt_unwind)
+ elf_plt_unwind_list_options (file);
+ elf_static_list_options (file);
+ if (shlib)
+ elf_shlib_list_options (file);
+}
+
\f
/* Print help messages for the options. */
/* xgettext:c-format */
printf (_("%s: emulation specific options:\n"), program_name);
+ ld_list_options (stdout, ELF_LIST_OPTIONS, ELF_SHLIB_LIST_OPTIONS,
+ ELF_PLT_UNWIND_LIST_OPTIONS);
ldemul_list_emulation_options (stdout);
printf ("\n");
projects / thirdparty / binutils-gdb.git / blobdiff