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-rw-r--r--gnu/usr.bin/binutils/ld/lexsup.c383
1 files changed, 211 insertions, 172 deletions
diff --git a/gnu/usr.bin/binutils/ld/lexsup.c b/gnu/usr.bin/binutils/ld/lexsup.c
index c219366961b..a1a67be880d 100644
--- a/gnu/usr.bin/binutils/ld/lexsup.c
+++ b/gnu/usr.bin/binutils/ld/lexsup.c
@@ -1,6 +1,6 @@
/* Parse options for the GNU linker.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003
+ 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
@@ -53,91 +53,97 @@
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
-static int is_num PARAMS ((const char *, int, int, int));
-static void set_default_dirlist PARAMS ((char *));
-static void set_section_start PARAMS ((char *, char *));
-static void help PARAMS ((void));
+static void set_default_dirlist (char *);
+static void set_section_start (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. */
-
-#define OPTION_ASSERT 150
-#define OPTION_CALL_SHARED (OPTION_ASSERT + 1)
-#define OPTION_CREF (OPTION_CALL_SHARED + 1)
-#define OPTION_DEFSYM (OPTION_CREF + 1)
-#define OPTION_DEMANGLE (OPTION_DEFSYM + 1)
-#define OPTION_DYNAMIC_LINKER (OPTION_DEMANGLE + 1)
-#define OPTION_EB (OPTION_DYNAMIC_LINKER + 1)
-#define OPTION_EL (OPTION_EB + 1)
-#define OPTION_EMBEDDED_RELOCS (OPTION_EL + 1)
-#define OPTION_EXPORT_DYNAMIC (OPTION_EMBEDDED_RELOCS + 1)
-#define OPTION_HELP (OPTION_EXPORT_DYNAMIC + 1)
-#define OPTION_IGNORE (OPTION_HELP + 1)
-#define OPTION_MAP (OPTION_IGNORE + 1)
-#define OPTION_NO_DEMANGLE (OPTION_MAP + 1)
-#define OPTION_NO_KEEP_MEMORY (OPTION_NO_DEMANGLE + 1)
-#define OPTION_NO_WARN_MISMATCH (OPTION_NO_KEEP_MEMORY + 1)
-#define OPTION_NOINHIBIT_EXEC (OPTION_NO_WARN_MISMATCH + 1)
-#define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1)
-#define OPTION_NO_WHOLE_ARCHIVE (OPTION_NON_SHARED + 1)
-#define OPTION_OFORMAT (OPTION_NO_WHOLE_ARCHIVE + 1)
-#define OPTION_RELAX (OPTION_OFORMAT + 1)
-#define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1)
-#define OPTION_RPATH (OPTION_RETAIN_SYMBOLS_FILE + 1)
-#define OPTION_RPATH_LINK (OPTION_RPATH + 1)
-#define OPTION_SHARED (OPTION_RPATH_LINK + 1)
-#define OPTION_SONAME (OPTION_SHARED + 1)
-#define OPTION_SORT_COMMON (OPTION_SONAME + 1)
-#define OPTION_STATS (OPTION_SORT_COMMON + 1)
-#define OPTION_SYMBOLIC (OPTION_STATS + 1)
-#define OPTION_TASK_LINK (OPTION_SYMBOLIC + 1)
-#define OPTION_TBSS (OPTION_TASK_LINK + 1)
-#define OPTION_TDATA (OPTION_TBSS + 1)
-#define OPTION_TTEXT (OPTION_TDATA + 1)
-#define OPTION_TRADITIONAL_FORMAT (OPTION_TTEXT + 1)
-#define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1)
-#define OPTION_VERBOSE (OPTION_UR + 1)
-#define OPTION_VERSION (OPTION_VERBOSE + 1)
-#define OPTION_VERSION_SCRIPT (OPTION_VERSION + 1)
-#define OPTION_VERSION_EXPORTS_SECTION (OPTION_VERSION_SCRIPT + 1)
-#define OPTION_WARN_COMMON (OPTION_VERSION_EXPORTS_SECTION + 1)
-#define OPTION_WARN_CONSTRUCTORS (OPTION_WARN_COMMON + 1)
-#define OPTION_WARN_FATAL (OPTION_WARN_CONSTRUCTORS + 1)
-#define OPTION_WARN_MULTIPLE_GP (OPTION_WARN_FATAL + 1)
-#define OPTION_WARN_ONCE (OPTION_WARN_MULTIPLE_GP + 1)
-#define OPTION_WARN_SECTION_ALIGN (OPTION_WARN_ONCE + 1)
-#define OPTION_SPLIT_BY_RELOC (OPTION_WARN_SECTION_ALIGN + 1)
-#define OPTION_SPLIT_BY_FILE (OPTION_SPLIT_BY_RELOC + 1)
-#define OPTION_WHOLE_ARCHIVE (OPTION_SPLIT_BY_FILE + 1)
-#define OPTION_WRAP (OPTION_WHOLE_ARCHIVE + 1)
-#define OPTION_FORCE_EXE_SUFFIX (OPTION_WRAP + 1)
-#define OPTION_GC_SECTIONS (OPTION_FORCE_EXE_SUFFIX + 1)
-#define OPTION_NO_GC_SECTIONS (OPTION_GC_SECTIONS + 1)
-#define OPTION_CHECK_SECTIONS (OPTION_NO_GC_SECTIONS + 1)
-#define OPTION_NO_CHECK_SECTIONS (OPTION_CHECK_SECTIONS + 1)
-#define OPTION_MPC860C0 (OPTION_NO_CHECK_SECTIONS + 1)
-#define OPTION_NO_UNDEFINED (OPTION_MPC860C0 + 1)
-#define OPTION_INIT (OPTION_NO_UNDEFINED + 1)
-#define OPTION_FINI (OPTION_INIT + 1)
-#define OPTION_SECTION_START (OPTION_FINI + 1)
-#define OPTION_UNIQUE (OPTION_SECTION_START + 1)
-#define OPTION_TARGET_HELP (OPTION_UNIQUE + 1)
-#define OPTION_ALLOW_SHLIB_UNDEFINED (OPTION_TARGET_HELP + 1)
-#define OPTION_NO_ALLOW_SHLIB_UNDEFINED (OPTION_ALLOW_SHLIB_UNDEFINED + 1)
-#define OPTION_ALLOW_MULTIPLE_DEFINITION (OPTION_NO_ALLOW_SHLIB_UNDEFINED + 1)
-#define OPTION_NO_UNDEFINED_VERSION (OPTION_ALLOW_MULTIPLE_DEFINITION + 1)
-#define OPTION_DISCARD_NONE (OPTION_NO_UNDEFINED_VERSION + 1)
-#define OPTION_SPARE_DYNAMIC_TAGS (OPTION_DISCARD_NONE + 1)
-#define OPTION_NO_DEFINE_COMMON (OPTION_SPARE_DYNAMIC_TAGS + 1)
-#define OPTION_NOSTDLIB (OPTION_NO_DEFINE_COMMON + 1)
-#define OPTION_NO_OMAGIC (OPTION_NOSTDLIB + 1)
-#define OPTION_STRIP_DISCARDED (OPTION_NO_OMAGIC + 1)
-#define OPTION_NO_STRIP_DISCARDED (OPTION_STRIP_DISCARDED + 1)
-#define OPTION_ACCEPT_UNKNOWN_INPUT_ARCH (OPTION_NO_STRIP_DISCARDED + 1)
-#define OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH (OPTION_ACCEPT_UNKNOWN_INPUT_ARCH + 1)
+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. */
@@ -223,9 +229,6 @@ static const struct ld_option ld_options[] =
{ {"omagic", no_argument, NULL, 'N'},
'N', NULL, N_("Do not page align data, do not make text readonly"),
EXACTLY_TWO_DASHES },
- { {"Zmagic", no_argument, NULL, 'Z'},
- 'Z', NULL, N_("Do not page align got/plt, old style executable"),
- EXACTLY_TWO_DASHES },
{ {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
'\0', NULL, N_("Page align data, make text readonly"), EXACTLY_TWO_DASHES },
{ {"output", required_argument, NULL, 'o'},
@@ -236,8 +239,8 @@ static const struct ld_option ld_options[] =
'\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
{ {"emit-relocs", no_argument, NULL, 'q'},
'q', NULL, "Generate relocations in final output", TWO_DASHES },
- { {"relocateable", no_argument, NULL, 'r'},
- 'r', NULL, N_("Generate relocateable output"), TWO_DASHES },
+ { {"relocatable", no_argument, NULL, 'r'},
+ 'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
{ {NULL, no_argument, NULL, '\0'},
'i', NULL, NULL, ONE_DASH },
{ {"just-symbols", required_argument, NULL, 'R'},
@@ -275,6 +278,9 @@ static const struct ld_option ld_options[] =
'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 },
+ { {"Zmagic", no_argument, NULL, 'Z'},
+ 'Z', NULL, N_("Do not page align got/plt, old style executable"),
+ EXACTLY_TWO_DASHES },
{ {"start-group", no_argument, NULL, '('},
'(', NULL, N_("Start a group"), TWO_DASHES },
{ {"end-group", no_argument, NULL, ')'},
@@ -337,11 +343,11 @@ static const struct ld_option ld_options[] =
{ {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
'\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
{ {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
- '\0', NULL, N_("Allow no undefined symbols"), 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 undefined symbols in shared objects (the default)"), TWO_DASHES },
+ '\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 undefined symbols in shared objects"), TWO_DASHES },
+ '\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},
@@ -373,6 +379,10 @@ static const struct ld_option ld_options[] =
'\0', NULL, N_("Create a shared library"), ONE_DASH },
{ {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
'\0', NULL, NULL, ONE_DASH },
+ { {"pie", no_argument, NULL, OPTION_PIE},
+ '\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", no_argument, NULL, OPTION_SORT_COMMON},
@@ -399,6 +409,9 @@ static const struct ld_option ld_options[] =
'\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"),
+ TWO_DASHES },
{ {"verbose", no_argument, NULL, OPTION_VERBOSE},
'\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
{ {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
@@ -421,50 +434,27 @@ static const struct ld_option ld_options[] =
{ {"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_("Report unresolved symbols as warnings"), TWO_DASHES },
+ { {"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 },
{ {"wrap", required_argument, NULL, OPTION_WRAP},
- '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
- { {"mpc860c0", optional_argument, NULL, OPTION_MPC860C0},
- '\0', N_("[=WORDS]"), N_("Modify problematic branches in last WORDS (1-10,\n\t\t\t\tdefault 5) words of a page"), TWO_DASHES }
+ '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES }
};
#define OPTION_COUNT ARRAY_SIZE (ld_options)
-/* Test STRING for containing a string of digits that form a number
- between MIN and MAX. The return value is the number or ERR. */
-
-static int
-is_num (string, min, max, err)
- const char *string;
- int min;
- int max;
- int err;
-{
- int result = 0;
-
- for (; *string; ++string)
- {
- if (! ISDIGIT (*string))
- {
- result = err;
- break;
- }
- result = result * 10 + (*string - '0');
- }
- if (result < min || result > max)
- result = err;
-
- return result;
-}
-
void
-parse_args (argc, argv)
- unsigned argc;
- char **argv;
+parse_args (unsigned argc, char **argv)
{
unsigned i;
int is, il, irl;
@@ -474,12 +464,11 @@ parse_args (argc, argv)
struct option *longopts;
struct option *really_longopts;
int last_optind;
+ enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
- shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2);
- longopts = (struct option *) xmalloc (sizeof (*longopts)
- * (OPTION_COUNT + 1));
- really_longopts = (struct option *) xmalloc (sizeof (*really_longopts)
- * (OPTION_COUNT + 1));
+ shortopts = xmalloc (OPTION_COUNT * 3 + 2);
+ longopts = xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
+ really_longopts = xmalloc (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
@@ -564,7 +553,7 @@ parse_args (argc, argv)
{
char *n;
- n = (char *) xmalloc (strlen (argv[i]) + 20);
+ n = xmalloc (strlen (argv[i]) + 20);
sprintf (n, "--library=%s", argv[i] + 2);
argv[i] = n;
}
@@ -611,16 +600,15 @@ parse_args (argc, argv)
einfo (_("%P%F: use the --help option for usage information\n"));
case 1: /* File name. */
- lang_add_input_file (optarg, lang_input_file_is_file_enum,
- (char *) NULL);
+ lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
break;
case OPTION_IGNORE:
break;
case 'a':
/* For HP/UX compatibility. Actually -a shared should mean
- ``use only shared libraries'' but, then, we don't
- currently support shared libraries on HP/UX anyhow. */
+ ``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;
else if (strcmp (optarg, "shared") == 0
@@ -712,8 +700,7 @@ parse_args (argc, argv)
case 'f':
if (command_line.auxiliary_filters == NULL)
{
- command_line.auxiliary_filters =
- (char **) xmalloc (2 * sizeof (char *));
+ command_line.auxiliary_filters = xmalloc (2 * sizeof (char *));
command_line.auxiliary_filters[0] = optarg;
command_line.auxiliary_filters[1] = NULL;
}
@@ -725,9 +712,9 @@ parse_args (argc, argv)
c = 0;
for (p = command_line.auxiliary_filters; *p != NULL; p++)
++c;
- command_line.auxiliary_filters =
- (char **) xrealloc (command_line.auxiliary_filters,
- (c + 2) * sizeof (char *));
+ command_line.auxiliary_filters
+ = xrealloc (command_line.auxiliary_filters,
+ (c + 2) * sizeof (char *));
command_line.auxiliary_filters[c] = optarg;
command_line.auxiliary_filters[c + 1] = NULL;
}
@@ -760,8 +747,7 @@ parse_args (argc, argv)
ldfile_add_library_path (optarg, TRUE);
break;
case 'l':
- lang_add_input_file (optarg, lang_input_file_is_l_enum,
- (char *) NULL);
+ lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
break;
case 'M':
config.map_filename = "-";
@@ -787,9 +773,6 @@ parse_args (argc, argv)
config.magic_demand_paged = FALSE;
config.dynamic_link = FALSE;
break;
- case 'Z':
- config.data_bss_contig = TRUE;
- break;
case OPTION_NO_DEFINE_COMMON:
command_line.inhibit_common_definition = TRUE;
break;
@@ -803,14 +786,53 @@ parse_args (argc, argv)
link_info.keep_memory = FALSE;
break;
case OPTION_NO_UNDEFINED:
- link_info.no_undefined = TRUE;
+ link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
break;
case OPTION_ALLOW_SHLIB_UNDEFINED:
- link_info.allow_shlib_undefined = TRUE;
+ link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
break;
case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
- link_info.allow_shlib_undefined = FALSE;
+ link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
break;
+ case OPTION_UNRESOLVED_SYMBOLS:
+ if (strcmp (optarg, "ignore-all") == 0)
+ {
+ link_info.unresolved_syms_in_objects = RM_IGNORE;
+ link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
+ }
+ 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;
+ }
+ 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;
+ }
+ 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_shared_libs = RM_IGNORE;
+ }
+ else
+ einfo (_("%P%F: 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;
+ 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;
case OPTION_ALLOW_MULTIPLE_DEFINITION:
link_info.allow_multiple_definition = TRUE;
break;
@@ -843,7 +865,7 @@ parse_args (argc, argv)
lang_add_output (optarg, 0);
break;
case OPTION_OFORMAT:
- lang_add_output_format (optarg, (char *) NULL, (char *) NULL, 0);
+ lang_add_output_format (optarg, NULL, NULL, 0);
break;
case 'q':
link_info.emitrelocations = TRUE;
@@ -861,7 +883,7 @@ parse_args (argc, argv)
and will seg-fault the next time around. */
einfo(_("%P%F: bad -rpath option\n"));
- link_info.relocateable = TRUE;
+ link_info.relocatable = TRUE;
config.build_constructors = FALSE;
config.magic_demand_paged = FALSE;
config.text_read_only = FALSE;
@@ -883,7 +905,7 @@ parse_args (argc, argv)
{
lang_add_input_file (optarg,
lang_input_file_is_symbols_only_enum,
- (char *) NULL);
+ NULL);
break;
}
}
@@ -961,10 +983,27 @@ parse_args (argc, argv)
break;
case OPTION_SHARED:
if (config.has_shared)
- link_info.shared = TRUE;
+ {
+ link_info.shared = TRUE;
+ /* 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_objects = RM_IGNORE;
+ if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
+ link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
+ }
else
einfo (_("%P%F: -shared not supported\n"));
break;
+ case OPTION_PIE:
+ if (config.has_shared)
+ {
+ link_info.shared = TRUE;
+ link_info.pie = TRUE;
+ }
+ else
+ einfo (_("%P%F: -pie not supported\n"));
+ break;
case 'h': /* Used on Solaris. */
case OPTION_SONAME:
command_line.soname = optarg;
@@ -1034,7 +1073,7 @@ parse_args (argc, argv)
link_info.task_link = TRUE;
/* Fall through - do an implied -r option. */
case OPTION_UR:
- link_info.relocateable = TRUE;
+ link_info.relocatable = TRUE;
config.build_constructors = TRUE;
config.magic_demand_paged = FALSE;
config.text_read_only = FALSE;
@@ -1053,6 +1092,7 @@ parse_args (argc, argv)
ldversion (1);
version_printed = TRUE;
trace_file_tries = TRUE;
+ overflow_cutoff_limit = -2;
break;
case 'v':
ldversion (0);
@@ -1068,8 +1108,8 @@ parse_args (argc, argv)
break;
case OPTION_VERSION_SCRIPT:
/* This option indicates a small script that only specifies
- version information. Read it, but don't assume that
- we've seen a linker script. */
+ version information. Read it, but don't assume that
+ we've seen a linker script. */
{
FILE *hold_script_handle;
@@ -1107,6 +1147,12 @@ parse_args (argc, argv)
case OPTION_WHOLE_ARCHIVE:
whole_archive = TRUE;
break;
+ case OPTION_AS_NEEDED:
+ as_needed = TRUE;
+ break;
+ case OPTION_NO_AS_NEEDED:
+ as_needed = FALSE;
+ break;
case OPTION_WRAP:
add_wrap (optarg);
break;
@@ -1129,6 +1175,9 @@ parse_args (argc, argv)
case 'y':
add_ysym (optarg);
break;
+ case 'Z':
+ config.data_bss_contig = TRUE;
+ break;
case OPTION_SPARE_DYNAMIC_TAGS:
link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
break;
@@ -1170,22 +1219,6 @@ parse_args (argc, argv)
lang_leave_group ();
ingroup = 0;
break;
- case OPTION_MPC860C0:
- /* Default value (in bytes). */
- link_info.mpc860c0 = 20;
- if (optarg)
- {
- unsigned words;
-
- words = is_num (optarg, 1, 10, 0);
- if (words == 0)
- einfo (_("%P%F: invalid argument to option \"mpc860c0\"\n"));
-
- /* Convert words to bytes. */
- link_info.mpc860c0 = words * 4;
- }
- command_line.relax = TRUE;
- break;
case OPTION_INIT:
link_info.init_function = optarg;
@@ -1205,14 +1238,21 @@ parse_args (argc, argv)
set_default_dirlist (default_dirlist);
free (default_dirlist);
}
+
+ 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;
}
/* Add the (colon-separated) elements of DIRLIST_PTR to the
library search path. */
static void
-set_default_dirlist (dirlist_ptr)
- char *dirlist_ptr;
+set_default_dirlist (char *dirlist_ptr)
{
char *p;
@@ -1230,8 +1270,7 @@ set_default_dirlist (dirlist_ptr)
}
static void
-set_section_start (sect, valstr)
- char *sect, *valstr;
+set_section_start (char *sect, char *valstr)
{
const char *end;
bfd_vma val = bfd_scan_vma (valstr, &end, 16);
@@ -1243,7 +1282,7 @@ set_section_start (sect, valstr)
/* Print help messages for the options. */
static void
-help ()
+help (void)
{
unsigned i;
const char **targets, **pp;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-12 13:03:46 +0000