From: Ian Lance Taylor Date: Fri, 12 Jan 1996 04:29:59 +0000 (+0000) Subject: * xcofflink.c (xcoff_link_add_symbols): Create the special X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c9746fb695adc5dc98cf3b2c14d36f2a7503ef6a;p=binutils-gdb.git * xcofflink.c (xcoff_link_add_symbols): Create the special sections if we see a DYNAMIC object, in case that is the only XCOFF input object we see. PR 8788. --- diff --git a/bfd/ChangeLog b/bfd/ChangeLog index bc991f32c7f..4f11b958e57 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -13,6 +13,10 @@ Thu Jan 11 17:06:14 1996 Michael Meissner Thu Jan 11 11:23:30 1996 Ian Lance Taylor + * xcofflink.c (xcoff_link_add_symbols): Create the special + sections if we see a DYNAMIC object, in case that is the only + XCOFF input object we see. + * elf32-mips.c: Extensive changes for a start at dynamic linking support, from Kazumoto Kojima . diff --git a/bfd/xcofflink.c b/bfd/xcofflink.c index 4936c3c254f..ba1829d3c80 100644 --- a/bfd/xcofflink.c +++ b/bfd/xcofflink.c @@ -953,18 +953,14 @@ xcoff_link_add_symbols (abfd, info) if ((abfd->flags & DYNAMIC) != 0 && ! info->static_link) - return xcoff_link_add_dynamic_symbols (abfd, info); - - n_tmask = coff_data (abfd)->local_n_tmask; - n_btshft = coff_data (abfd)->local_n_btshft; - - /* Define macros so that ISFCN, et. al., macros work correctly. */ -#define N_TMASK n_tmask -#define N_BTSHFT n_btshft + { + if (! xcoff_link_add_dynamic_symbols (abfd, info)) + return false; + } /* We need to build a .loader section, so we do it here. This won't - work if we're producing an XCOFF output file with no non dynamic - XCOFF input files. FIXME. */ + work if we're producing an XCOFF output file with no XCOFF input + files. FIXME. */ if (xcoff_hash_table (info)->loader_section == NULL) { asection *lsec; @@ -1023,6 +1019,17 @@ xcoff_link_add_symbols (abfd, info) dsec->flags |= SEC_HAS_CONTENTS | SEC_IN_MEMORY; } + if ((abfd->flags & DYNAMIC) != 0 + && ! info->static_link) + return true; + + n_tmask = coff_data (abfd)->local_n_tmask; + n_btshft = coff_data (abfd)->local_n_btshft; + + /* Define macros so that ISFCN, et. al., macros work correctly. */ +#define N_TMASK n_tmask +#define N_BTSHFT n_btshft + if (info->keep_memory) default_copy = false; else @@ -2535,6 +2542,8 @@ struct xcoff_loader_info bfd *output_bfd; /* Link information structure. */ struct bfd_link_info *info; + /* Whether all defined symbols should be exported. */ + boolean export_defineds; /* Number of ldsym structures. */ size_t ldsym_count; /* Size of string table. */ @@ -2550,12 +2559,23 @@ struct xcoff_loader_info .loader section before the linker lays out the output file. LIBPATH is the library path to search for shared objects; this is normally built from the -L arguments passed to the linker. ENTRY - is the name of the entry point symbol. */ + is the name of the entry point symbol (the -e linker option). + FILE_ALIGN is the alignment to use for sections within the file + (the -H linker option). MAXSTACK is the maximum stack size (the + -bmaxstack linker option). MAXDATA is the maximum data size (the + -bmaxdata linker option). GC is whether to do garbage collection + (the -bgc linker option). MODTYPE is the module type (the + -bmodtype linker option). TEXTRO is whether the text section must + be read only (the -btextro linker option). EXPORT_DEFINEDS is + whether all defined symbols should be exported (the -unix linker + option). SPECIAL_SECTIONS is set by this routine to csects with + magic names like _end. */ boolean bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry, file_align, maxstack, maxdata, gc, - modtype, textro, special_sections) + modtype, textro, export_defineds, + special_sections) bfd *output_bfd; struct bfd_link_info *info; const char *libpath; @@ -2566,6 +2586,7 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry, boolean gc; int modtype; boolean textro; + boolean export_defineds; asection **special_sections; { struct xcoff_link_hash_entry *hentry; @@ -2592,6 +2613,7 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry, ldinfo.failed = false; ldinfo.output_bfd = output_bfd; ldinfo.info = info; + ldinfo.export_defineds = export_defineds; ldinfo.ldsym_count = 0; ldinfo.string_size = 0; ldinfo.strings = NULL; @@ -2902,6 +2924,11 @@ xcoff_build_ldsyms (h, p) struct xcoff_loader_info *ldinfo = (struct xcoff_loader_info *) p; size_t len; + /* If all defined symbols should be exported, mark them now. */ + if (ldinfo->export_defineds + && (h->flags & XCOFF_DEF_REGULAR) != 0) + h->flags |= XCOFF_EXPORT; + /* We don't want to garbage collect symbols which are not defined in XCOFF files. This is a convenient place to mark them. */ if (xcoff_hash_table (ldinfo->info)->gc