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* lexsup.c (parse_args): Recognize --no-whole-archive.
* ldlang.h (lang_input_statement_type): Add whole_archive field. * ldlang.c (new_afile): Set whole_archive field. (load_symbols): Check input file specific whole_archive field rather than global variable. * ld.texinfo, ld.1: Document --no-whole-archive. PR 9094.
This commit is contained in:
Ian Lance Taylor
parent
d214421eee
commit
3c8deccc4f
@ -1,3 +1,12 @@
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Tue Feb 27 12:55:46 1996 Ian Lance Taylor <ian@cygnus.com>
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* lexsup.c (parse_args): Recognize --no-whole-archive.
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* ldlang.h (lang_input_statement_type): Add whole_archive field.
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* ldlang.c (new_afile): Set whole_archive field.
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(load_symbols): Check input file specific whole_archive field
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rather than global variable.
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* ld.texinfo, ld.1: Document --no-whole-archive.
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Tue Feb 20 16:07:00 1996 Ian Lance Taylor <ian@cygnus.com>
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* configure.tgt: Correct gldi960 to gld960.
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18
ld/ld.1
18
ld/ld.1
@ -121,6 +121,7 @@ ld \- the GNU linker
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.RB "[\|" \-warn\-constructors "\|]"
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.RB "[\|" \-warn\-once "\|]"
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.RB "[\|" \-\-whole\-archive "\|]"
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.RB "[\|" \-\-no\-whole\-archive "\|]"
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.RB "[\|" \-X "\|]"
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.RB "[\|" \-x "\|]"
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.ad b
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@ -913,11 +914,18 @@ which refers to it.
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.TP
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.B \-\-whole\-archive
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For each archive mentioned on the command line, include every object
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file in the archive in the link, rather than searching the archive for
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the required object files. This is normally used to turn an archive
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file into a shared library, forcing every object to be included in the
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resulting shared library.
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For each archive mentioned on the command line after the
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.B \-\-whole\-archive
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option, include every object file in the archive in the link, rather
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than searching the archive for the required object files. This is
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normally used to turn an archive file into a shared library, forcing
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every object to be included in the resulting shared library.
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.TP
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.B \-\-no\-whole\-archive
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Turn off the effect of the
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.B \-\-whole\-archive
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option for archives which appear later on the command line.
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.TP
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.B \-X
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@ -189,7 +189,7 @@ ld [ -o @var{output} ] @var{objfile}@dots{}
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[ -( [ archives ] -) ]
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[ --start-group [ archives ] --end-group ]
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[ -split-by-reloc @var{count} ] [ -split-by-file ]
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[ --whole-archive ]
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[ --whole-archive ] [ --no-whole-archive ]
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@end smallexample
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This plethora of command-line options may seem intimidating, but in
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@ -941,11 +941,16 @@ which refers to it.
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@kindex --whole-archive
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@cindex including an entire archive
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For each archive mentioned on the command line, include every object
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file in the archive in the link, rather than searching the archive for
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the required object files. This is normally used to turn an archive
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file into a shared library, forcing every object to be included in the
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resulting shared library.
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For each archive mentioned on the command line after the
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@code{--whole-archive} option, include every object file in the archive
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in the link, rather than searching the archive for the required object
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files. This is normally used to turn an archive file into a shared
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library, forcing every object to be included in the resulting shared
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library.
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@kindex --no-whole-archive
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Turn off the effect of the @code{--whole-archive} option for archives
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which appear later on the command line.
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@kindex -X
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@cindex local symbols, deleting
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@ -373,6 +373,7 @@ new_afile (name, file_type, target, add_to_list)
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p->symbol_count = 0;
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p->common_output_section = (asection *) NULL;
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p->dynamic = config.dynamic_link;
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p->whole_archive = whole_archive;
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p->loaded = false;
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lang_statement_append (&input_file_chain,
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(lang_statement_union_type *) p,
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@ -827,7 +828,7 @@ load_symbols (entry, place)
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break;
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case bfd_archive:
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if (whole_archive)
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if (entry->whole_archive)
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{
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bfd *member = bfd_openr_next_archived_file (entry->the_bfd,
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(bfd *) NULL);
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46
ld/ldlang.h
46
ld/ldlang.h
@ -97,6 +97,16 @@ typedef struct lang_output_statement_struct
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} lang_output_statement_type;
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/* This structure holds a list of program headers describing segments
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in which this section should be placed. */
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struct lang_output_section_phdr_list
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{
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struct lang_output_section_phdr_list *next;
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const char *name;
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boolean used;
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};
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typedef struct lang_output_section_statement_struct
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{
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lang_statement_header_type header;
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@ -118,7 +128,9 @@ typedef struct lang_output_section_statement_struct
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int subsection_alignment; /* alignment of components */
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int section_alignment; /* alignment of start of section */
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union etree_union *load_base;
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union etree_union *load_base;
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struct lang_output_section_phdr_list *phdrs;
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} lang_output_section_statement_type;
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@ -219,10 +231,15 @@ typedef struct lang_input_statement_struct
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Also default text_start to after this file's bss. */
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boolean just_syms_flag;
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/* Whether to search for this entry as a dynamic archive. */
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boolean dynamic;
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/* Whether to include the entire contents of an archive. */
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boolean whole_archive;
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boolean loaded;
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/* unsigned int globals_in_this_file;*/
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const char *target;
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boolean real;
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@ -304,12 +321,29 @@ typedef union lang_statement_union
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lang_group_statement_type group_statement;
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} lang_statement_union_type;
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/* This structure holds information about a program header, from the
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PHDRS command in the linker script. */
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struct lang_phdr
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{
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struct lang_phdr *next;
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const char *name;
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unsigned long type;
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boolean filehdr;
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boolean phdrs;
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etree_type *at;
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etree_type *flags;
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};
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extern lang_output_section_statement_type *abs_output_section;
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extern boolean lang_has_input_file;
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extern etree_type *base;
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extern lang_statement_list_type *stat_ptr;
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extern boolean delete_output_file_on_failure;
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extern const char *entry_symbol;
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extern boolean entry_from_cmdline;
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extern void lang_init PARAMS ((void));
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extern struct memory_region_struct *lang_memory_region_lookup
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PARAMS ((const char *const));
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@ -327,7 +361,7 @@ extern void lang_enter_output_section_statement
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extern void lang_final PARAMS ((void));
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extern void lang_process PARAMS ((void));
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extern void lang_section_start PARAMS ((const char *, union etree_union *));
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extern void lang_add_entry PARAMS ((const char *, int));
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extern void lang_add_entry PARAMS ((const char *, boolean));
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extern void lang_add_target PARAMS ((const char *));
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extern void lang_add_wild PARAMS ((const char *const , const char *const));
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extern void lang_add_map PARAMS ((const char *));
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@ -393,5 +427,9 @@ extern void wild_doit
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PARAMS ((lang_statement_list_type *ptr, asection *section,
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lang_output_section_statement_type *output,
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lang_input_statement_type *file));
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extern void lang_new_phdr
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PARAMS ((const char *, etree_type *, boolean, boolean, etree_type *,
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etree_type *));
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extern void lang_section_in_phdr PARAMS ((const char *));
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#endif
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46
ld/lexsup.c
46
ld/lexsup.c
@ -65,7 +65,7 @@ parse_args (argc, argv)
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as if it were the argument of an option with character code 1. */
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const char *shortopts =
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"-a:A:B::b:c:de:F::G:gh:iL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:z:()";
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"-a:A:b:c:de:F::G:gh:iL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:z:()";
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/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
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@ -83,11 +83,13 @@ parse_args (argc, argv)
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#define OPTION_NO_KEEP_MEMORY (OPTION_MAP + 1)
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#define OPTION_NOINHIBIT_EXEC (OPTION_NO_KEEP_MEMORY + 1)
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#define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1)
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#define OPTION_OFORMAT (OPTION_NON_SHARED + 1)
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#define OPTION_NO_WHOLE_ARCHIVE (OPTION_NON_SHARED + 1)
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#define OPTION_OFORMAT (OPTION_NO_WHOLE_ARCHIVE + 1)
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#define OPTION_RELAX (OPTION_OFORMAT + 1)
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#define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1)
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#define OPTION_RPATH (OPTION_RETAIN_SYMBOLS_FILE + 1)
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#define OPTION_SHARED (OPTION_RPATH + 1)
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#define OPTION_RPATH_LINK (OPTION_RPATH + 1)
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#define OPTION_SHARED (OPTION_RPATH_LINK + 1)
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#define OPTION_SONAME (OPTION_SHARED + 1)
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#define OPTION_SORT_COMMON (OPTION_SONAME + 1)
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#define OPTION_STATS (OPTION_SORT_COMMON + 1)
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@ -130,6 +132,7 @@ parse_args (argc, argv)
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{"help", no_argument, NULL, OPTION_HELP},
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{"Map", required_argument, NULL, OPTION_MAP},
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{"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
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{"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
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{"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
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{"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
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{"non_shared", no_argument, NULL, OPTION_NON_SHARED},
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@ -139,6 +142,7 @@ parse_args (argc, argv)
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{"relax", no_argument, NULL, OPTION_RELAX},
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{"retain-symbols-file", required_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
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{"rpath", required_argument, NULL, OPTION_RPATH},
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{"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
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{"shared", no_argument, NULL, OPTION_SHARED},
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{"soname", required_argument, NULL, OPTION_SONAME},
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{"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
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@ -219,8 +223,7 @@ parse_args (argc, argv)
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einfo ("%P%F: unrecognized -a option `%s'\n", optarg);
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break;
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case OPTION_ASSERT:
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/* FIXME: We just ignore these, except for pure-text, but we
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should handle them. */
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/* FIXME: We just ignore these, but we should handle them. */
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if (strcmp (optarg, "definitions") == 0)
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;
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else if (strcmp (optarg, "nodefinitions") == 0)
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@ -228,16 +231,7 @@ parse_args (argc, argv)
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else if (strcmp (optarg, "nosymbolic") == 0)
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;
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else if (strcmp (optarg, "pure-text") == 0)
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{
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/* FIXME: This is wrong. We do it this way as a hack to
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support SunOS4, on which gcc -shared will pass
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-assert pure-text to the linker. The SunOS linker
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will automatically create a shared library if there
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are any undefined symbols, but our linker does not
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know how to do that (it seems to require an extra
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pass over the relocs). */
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link_info.shared = true;
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}
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;
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else
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einfo ("%P%F: unrecognized -assert option `%s'\n", optarg);
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break;
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@ -286,7 +280,7 @@ parse_args (argc, argv)
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command_line.export_dynamic = true;
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break;
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case 'e':
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lang_add_entry (optarg, 1);
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lang_add_entry (optarg, true);
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break;
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case 'F':
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/* Ignore. */
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@ -325,9 +319,11 @@ parse_args (argc, argv)
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case 'N':
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config.text_read_only = false;
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config.magic_demand_paged = false;
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config.dynamic_link = false;
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break;
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case 'n':
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config.magic_demand_paged = false;
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config.dynamic_link = false;
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break;
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case OPTION_NO_KEEP_MEMORY:
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link_info.keep_memory = false;
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@ -335,6 +331,9 @@ parse_args (argc, argv)
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case OPTION_NOINHIBIT_EXEC:
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force_make_executable = true;
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break;
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case OPTION_NO_WHOLE_ARCHIVE:
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whole_archive = false;
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break;
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case 'O':
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/* FIXME "-O<non-digits> <value>" used to set the address of
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section <non-digits>. Was this for compatibility with
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@ -392,6 +391,21 @@ parse_args (argc, argv)
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command_line.rpath = buf;
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}
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break;
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case OPTION_RPATH_LINK:
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if (command_line.rpath_link == NULL)
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command_line.rpath_link = buystring (optarg);
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else
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{
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char *buf;
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buf = xmalloc (strlen (command_line.rpath_link)
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+ strlen (optarg)
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+ 2);
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sprintf (buf, "%s:%s", command_line.rpath_link, optarg);
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free (command_line.rpath_link);
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command_line.rpath_link = buf;
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}
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break;
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case OPTION_RELAX:
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command_line.relax = true;
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break;
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