From 7815cf4fc37ab0dc2602572ba2731545b20e7288 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Mon, 1 Jul 2002 08:04:47 +0000 Subject: [PATCH] * bfdlink.h (struct bfd_sym_chain): Declare. (struct bfd_link_info): Add gc_sym_list. Formatting fixes. --- include/ChangeLog | 5 +++++ include/bfdlink.h | 42 +++++++++++++++++++++++++++++++++++++++--- 2 files changed, 44 insertions(+), 3 deletions(-) diff --git a/include/ChangeLog b/include/ChangeLog index 32628bb8bd5..98edcd686a6 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,8 @@ +2002-07-01 Alan Modra + + * bfdlink.h (struct bfd_sym_chain): Declare. + (struct bfd_link_info): Add gc_sym_list. Formatting fixes. + 2002-06-25 Alan Modra * demangle.h: #include "ansidecl.h" rather than #include . diff --git a/include/bfdlink.h b/include/bfdlink.h index 719e7060eab..63f5ecd74c4 100644 --- a/include/bfdlink.h +++ b/include/bfdlink.h @@ -183,6 +183,12 @@ extern void bfd_link_hash_traverse /* Add an entry to the undefs list. */ extern void bfd_link_add_undef PARAMS ((struct bfd_link_hash_table *, struct bfd_link_hash_entry *)); + +struct bfd_sym_chain +{ + struct bfd_sym_chain *next; + const char *name; +}; /* This structure holds all the information needed to communicate between BFD and the linker when doing a link. */ @@ -191,33 +197,46 @@ struct bfd_link_info { /* Function callbacks. */ const struct bfd_link_callbacks *callbacks; + /* true if BFD should generate a relocateable object file. */ boolean relocateable; - /* true if BFD should generate relocation information in the final executable. */ + + /* true if BFD should generate relocation information in the final + executable. */ boolean emitrelocations; + /* true if BFD should generate a "task linked" object file, - similar to relocatable but also with globals converted to statics. */ + similar to relocatable but also with globals converted to + statics. */ boolean task_link; + /* true if BFD should generate a shared object. */ boolean shared; + /* true if BFD should pre-bind symbols in a shared object. */ boolean symbolic; + /* true if BFD should export all symbols in the dynamic symbol table of an executable, rather than only those used. */ boolean export_dynamic; + /* true if shared objects should be linked directly, not shared. */ boolean static_link; + /* true if the output file should be in a traditional format. This is equivalent to the setting of the BFD_TRADITIONAL_FORMAT flag on the output file, but may be checked when reading the input files. */ boolean traditional_format; + /* true if we want to produced optimized output files. This might need much more time and therefore must be explicitly selected. */ boolean optimize; + /* true if BFD should generate errors for undefined symbols even if generating a shared object. */ boolean no_undefined; + /* true if BFD should allow undefined symbols in shared objects even when no_undefined is set to disallow undefined symbols. The net result will be that undefined symbols in regular objects will @@ -231,39 +250,55 @@ struct bfd_link_info select an appropriate memset function. Apparently it is also normal for HPPA shared libraries to have undefined symbols. */ boolean allow_shlib_undefined; - /* True if ok to have multiple definition. */ + + /* true if ok to have multiple definition. */ boolean allow_multiple_definition; + /* Which symbols to strip. */ enum bfd_link_strip strip; + /* Which local symbols to discard. */ enum bfd_link_discard discard; + /* true if symbols should be retained in memory, false if they should be freed and reread. */ boolean keep_memory; + /* The list of input BFD's involved in the link. These are chained together via the link_next field. */ bfd *input_bfds; + /* If a symbol should be created for each input BFD, this is section where those symbols should be placed. It must be a section in the output BFD. It may be NULL, in which case no such symbols will be created. This is to support CREATE_OBJECT_SYMBOLS in the linker command language. */ asection *create_object_symbols_section; + + /* List of global symbol names that are starting points for marking + sections against garbage collection. */ + struct bfd_sym_chain *gc_sym_list; + /* Hash table handled by BFD. */ struct bfd_link_hash_table *hash; + /* Hash table of symbols to keep. This is NULL unless strip is strip_some. */ struct bfd_hash_table *keep_hash; + /* true if every symbol should be reported back via the notice callback. */ boolean notice_all; + /* Hash table of symbols to report back via the notice callback. If this is NULL, and notice_all is false, then no symbols are reported back. */ struct bfd_hash_table *notice_hash; + /* Hash table of symbols which are being wrapped (the --wrap linker option). If this is NULL, no symbols are being wrapped. */ struct bfd_hash_table *wrap_hash; + /* If a base output file is wanted, then this points to it */ PTR base_file; @@ -275,6 +310,7 @@ struct bfd_link_info /* The function to call when the executable or shared object is loaded. */ const char *init_function; + /* The function to call when the executable or shared object is unloaded. */ const char *fini_function; -- 2.30.2