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| author | Alan Modra <amodra@gmail.com> | 2004-03-18 12:50:20 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2004-03-18 12:50:20 +0000 |
| commit | 4a43e768f18f325a0e52de37fe69d4a6a764d668 (patch) | |
| tree | 5fed3b135f3382db0391e56136eefc09e32929a0 /ld/lexsup.c | |
| parent | 3e4caed2b120cd3930d19c96fc5761f9254946c5 (diff) | |
| download | gdb-4a43e768f18f325a0e52de37fe69d4a6a764d668.zip gdb-4a43e768f18f325a0e52de37fe69d4a6a764d668.tar.gz gdb-4a43e768f18f325a0e52de37fe69d4a6a764d668.tar.bz2 | |
bfd/
* elf-bfd.h (struct elf_obj_tdata): Delete dt_soname field. Add
dyn_lib_class field. Rearrange for better packing.
(elf_dt_soname): Delete.
(elf_dyn_lib_class): Define.
* elf.c (bfd_elf_set_dt_needed_name): Update comment.
(bfd_elf_set_dt_needed_soname): Delete.
(bfd_elf_set_dyn_lib_class): New function.
* elflink.h (add_dt_needed_tag): New function. Split out from..
(elf_link_add_object_symbols): ..here. Rename "name" to "soname".
Use elf_dyn_lib_class to set dt_needed and add_needed. Move fallback
initialization of soname.
(elf_link_check_versioned_symbol): Test elf_dyn_lib_class instead of
elf_dt_soname.
* bfd-in.h (enum dynamic_lib_link_class): New.
(bfd_elf_set_dt_needed_soname): Delete.
(bfd_elf_set_dyn_lib_class): Declare.
* bfd-in2.h: Regenerate.
ld/
* ld.texinfo: Add --as-needed doco.
* ldmain.c (as_needed): New global var.
* ldmain.h (as_needed): Declare.
* lexsup.c (option_values): Add OPTION_AS_NEEDED and
OPTION_NO_AS_NEEDED.
(ld_options): Likewise.
(parse_args): Handle them.
* ldlang.h (lang_input_statement_type): Add as_needed field.
* ldlang.c (new_afile): Set p->as_needed.
* emultempl/elf32.em (gld${EMULATION_NAME}_load_symbols): New function.
(gld${EMULATION_NAME}_try_needed): Use bfd_elf_set_dyn_lib_class.
(ld_${EMULATION_NAME}_emulation): Set LDEMUL_RECOGNIZED_FILE entry.
* ldlang.c (open_input_bfds): Remove useless cast.
(lang_do_assignments_1): Likewise.
(lang_for_each_input_section): Delete.
Diffstat (limited to 'ld/lexsup.c')
| -rw-r--r-- | ld/lexsup.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/ld/lexsup.c b/ld/lexsup.c index e43e15e..d3b3d8d 100644 --- a/ld/lexsup.c +++ b/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. @@ -112,6 +112,8 @@ enum option_values 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, @@ -438,6 +440,10 @@ static const struct ld_option ld_options[] = 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 } }; @@ -1156,6 +1162,12 @@ parse_args (unsigned argc, char **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; |