x86-64: Properly report output type when PIC is needed
-fPIC may be needed to compile PIE or PDE objects, not just shared object. bfd/ * elf64-x86-64.c (elf_x86_64_need_pic): Add an argument for bfd_link_info. Report shared, PIE or PDE object based on bfd_link_info. (elf_x86_64_check_relocs): Update elf_x86_64_need_pic call. (elf_x86_64_relocate_section): Likewise. ld/ * testsuite/ld-x86-64/pie2.d: Updated. * testsuite/ld-x86-64/pr19719.d: Likewise. * testsuite/ld-x86-64/pr19807-2a.d: Likewise. * testsuite/ld-x86-64/pr19969.d: Likewise.
This commit is contained in:
H.J. Lu
parent
b1bb697ea1
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aab921adcb
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@ -1,3 +1,11 @@
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2017-08-23 H.J. Lu <hongjiu.lu@intel.com>
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* elf64-x86-64.c (elf_x86_64_need_pic): Add an argument for
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bfd_link_info. Report shared, PIE or PDE object based on
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bfd_link_info.
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(elf_x86_64_check_relocs): Update elf_x86_64_need_pic call.
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(elf_x86_64_relocate_section): Likewise.
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2017-08-23 H.J. Lu <hongjiu.lu@intel.com>
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* elf32-i386.c (elf_i386_check_relocs): Increment PLT count only
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@ -1880,7 +1880,8 @@ elf_x86_64_tls_transition (struct bfd_link_info *info, bfd *abfd,
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#define check_relocs_failed sec_flg1
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static bfd_boolean
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elf_x86_64_need_pic (bfd *input_bfd, asection *sec,
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elf_x86_64_need_pic (struct bfd_link_info *info,
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bfd *input_bfd, asection *sec,
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struct elf_link_hash_entry *h,
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Elf_Internal_Shdr *symtab_hdr,
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Elf_Internal_Sym *isym,
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@ -1889,6 +1890,7 @@ elf_x86_64_need_pic (bfd *input_bfd, asection *sec,
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const char *v = "";
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const char *und = "";
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const char *pic = "";
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const char *object;
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const char *name;
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if (h)
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@ -1920,10 +1922,18 @@ elf_x86_64_need_pic (bfd *input_bfd, asection *sec,
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pic = _("; recompile with -fPIC");
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}
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if (bfd_link_dll (info))
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object = _("a shared object");
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else if (bfd_link_pie (info))
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object = _("a PIE object");
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else
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object = _("a PDE object");
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/* xgettext:c-format */
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_bfd_error_handler (_("%B: relocation %s against %s%s`%s' can "
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"not be used when making a shared object%s"),
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input_bfd, howto->name, und, v, name, pic);
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"not be used when making %s%s"),
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input_bfd, howto->name, und, v, name,
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object, pic);
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bfd_set_error (bfd_error_bad_value);
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sec->check_relocs_failed = 1;
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return FALSE;
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@ -2519,7 +2529,7 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
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case R_X86_64_TPOFF32:
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if (!bfd_link_executable (info) && ABI_64_P (abfd))
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return elf_x86_64_need_pic (abfd, sec, h, symtab_hdr, isym,
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return elf_x86_64_need_pic (info, abfd, sec, h, symtab_hdr, isym,
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&x86_64_elf_howto_table[r_type]);
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if (eh != NULL)
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eh->has_got_reloc = 1;
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@ -2685,7 +2695,7 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
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&& !h->def_regular
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&& h->def_dynamic
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&& (sec->flags & SEC_READONLY) == 0)))
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return elf_x86_64_need_pic (abfd, sec, h, symtab_hdr, isym,
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return elf_x86_64_need_pic (info, abfd, sec, h, symtab_hdr, isym,
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&x86_64_elf_howto_table[r_type]);
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/* Fall through. */
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@ -4966,7 +4976,7 @@ do_ifunc_pointer:
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}
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if (fail)
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return elf_x86_64_need_pic (input_bfd, input_section,
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return elf_x86_64_need_pic (info, input_bfd, input_section,
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h, NULL, NULL, howto);
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}
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/* Fall through. */
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@ -1,3 +1,10 @@
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2017-08-23 H.J. Lu <hongjiu.lu@intel.com>
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* testsuite/ld-x86-64/pie2.d: Updated.
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* testsuite/ld-x86-64/pr19719.d: Likewise.
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* testsuite/ld-x86-64/pr19807-2a.d: Likewise.
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* testsuite/ld-x86-64/pr19969.d: Likewise.
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2017-08-23 H.J. Lu <hongjiu.lu@intel.com>
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* testsuite/ld-i386/i386.exp: Run protected7.
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@ -1,3 +1,3 @@
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#as: --64
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#ld: -pie -melf_x86_64
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#error: .*relocation R_X86_64_32 against symbol `foo' can not be used when making a shared object; recompile with -fPIC
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#error: .*relocation R_X86_64_32 against symbol `foo' can not be used when making a PIE object; recompile with -fPIC
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@ -1,3 +1,3 @@
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#as: --64
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#ld: -pie -melf_x86_64
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#error: .*relocation R_X86_64_32 against undefined symbol `foo' can not be used when making a shared object; recompile with -fPIC
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#error: .*relocation R_X86_64_32 against undefined symbol `foo' can not be used when making a PIE object; recompile with -fPIC
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@ -1,4 +1,4 @@
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#source: pr19807-2.s
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#as: --64
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#ld: -pie -melf_x86_64
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#error: .*relocation R_X86_64_32 against `.data' can not be used when making a shared object; recompile with -fPIC
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#error: .*relocation R_X86_64_32 against `.data' can not be used when making a PIE object; recompile with -fPIC
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@ -1,4 +1,4 @@
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#source: pr19969b.S
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#as: --64
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#ld: -melf_x86_64 tmpdir/pr19969.so
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#error: .*relocation R_X86_64_32 against symbol `foo' can not be used when making a shared object; recompile with -fPIC
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#error: .*relocation R_X86_64_32 against symbol `foo' can not be used when making a PDE object; recompile with -fPIC
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