From 3023e3f66a5ac8d0fc159324ea49f9e15bbb2e8f Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Thu, 16 Apr 2009 23:07:00 +0000 Subject: bfd/ * aout-adobe.c (aout_32_bfd_define_common_symbol): Define. * aout-target.h (MY_bfd_define_common_symbol): Likewise. * aout-tic30.c (MY_bfd_define_common_symbol): Likewise. * binary.c (binary_bfd_define_common_symbol): Likewise. * bout.c (b_out_bfd_define_common_symbol): Likewise. * coff-alpha.c (_bfd_ecoff_bfd_define_common_symbol): Likewise. * coff-mips.c (_bfd_ecoff_bfd_define_common_symbol): Likewise. * coffcode.h (coff_bfd_define_common_symbol): Likewise. * elfxx-target.h (bfd_elfNN_bfd_define_common_symbol): Likewise. * i386msdos.c (msdos_bfd_define_common_symbol): Likewise. * i386os9k.c (os9k_bfd_define_common_symbol): Likewise. * ieee.c (ieee_bfd_define_common_symbol): Likewise. * ihex.c (ihex_bfd_define_common_symbol): Likewise. * libbfd-in.h (_bfd_nolink_bfd_define_common_symbol): Likewise. * mach-o.c (bfd_mach_o_bfd_define_common_symbol): Likewise. * mmo.c (mmo_bfd_define_common_symbol): Likewise. * nlm-target.h (nlm_bfd_define_common_symbol): Likewise. * oasys.c (oasys_bfd_define_common_symbol): Likewise. * pef.c (bfd_pef_bfd_define_common_symbol): Likewise. * ppcboot.c (ppcboot_bfd_define_common_symbol): Likewise. * som.c (som_bfd_define_common_symbol): Likewise. * srec.c (srec_bfd_define_common_symbol): Likewise. * tekhex.c (tekhex_bfd_define_common_symbol): Likewise. * versados.c (versados_bfd_define_common_symbol): Likewise. * vms.c (vms_bfd_define_common_symbol): Likewise. * xcoff-target.h (_bfd_xcoff_bfd_define_common_symbol): Likewise. * xsym.c (bfd_sym_bfd_define_common_symbol): Likewise. * coff-rs6000.c (rs6000coff_vec): Add _bfd_xcoff_define_common_symbol. (pmac_xcoff_vec): Likewise. * coff64-rs6000.c (rs6000coff64_vec): Likewise. (aix5coff64_vec): Likewise. * linker.c (bfd_generic_define_common_symbol): New function. * targets.c (BFD_JUMP_TABLE_LINK): Add NAME##_bfd_define_common_symbol. (_bfd_define_common_symbol): New field. * libcoff-in.h (_bfd_xcoff_define_common_symbol): Declare. * xcofflink.c (_bfd_xcoff_define_common_symbol): New function. (xcoff_build_ldsyms): Don't set XCOFF_DEF_REGULAR for common symbols here. * bfd-in2.h: Regenerate. * libbfd.h: Likewise. * libcoff.h: Likewise. ld/ * ldlang.c (lang_one_common): Use bfd_define_common_symbol. ld/testsuite/ * ld-powerpc/aix-export-2.s, ld-powerpc/aix-export-2.nd: New test. * ld-powerpc/aix52.exp: Run it. --- bfd/xcofflink.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) (limited to 'bfd/xcofflink.c') diff --git a/bfd/xcofflink.c b/bfd/xcofflink.c index 26500c6..896292b 100644 --- a/bfd/xcofflink.c +++ b/bfd/xcofflink.c @@ -2471,6 +2471,21 @@ _bfd_xcoff_bfd_link_add_symbols (bfd *abfd, struct bfd_link_info *info) } } +bfd_boolean +_bfd_xcoff_define_common_symbol (bfd *output_bfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info ATTRIBUTE_UNUSED, + struct bfd_link_hash_entry *harg) +{ + struct xcoff_link_hash_entry *h; + + if (!bfd_generic_define_common_symbol (output_bfd, info, harg)) + return FALSE; + + h = (struct xcoff_link_hash_entry *) harg; + h->flags |= XCOFF_DEF_REGULAR; + return TRUE; +} + /* If symbol H has not been interpreted as a function descriptor, see whether it should be. Set up its descriptor information if so. */ @@ -3330,19 +3345,6 @@ xcoff_post_gc_symbol (struct xcoff_link_hash_entry *h, void * p) if (h->flags & XCOFF_RTINIT) return TRUE; - /* If this is a final link, and the symbol was defined as a common - symbol in a regular object file, and there was no definition in - any dynamic object, then the linker will have allocated space for - the symbol in a common section but the XCOFF_DEF_REGULAR flag - will not have been set. */ - if (h->root.type == bfd_link_hash_defined - && (h->flags & XCOFF_DEF_REGULAR) == 0 - && (h->flags & XCOFF_REF_REGULAR) != 0 - && (h->flags & XCOFF_DEF_DYNAMIC) == 0 - && (bfd_is_abs_section (h->root.u.def.section) - || (h->root.u.def.section->owner->flags & DYNAMIC) == 0)) - h->flags |= XCOFF_DEF_REGULAR; - /* 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 -- cgit v1.1