92298b1c04
- Combined previous patches into one which covers all ifunc supporting architectures. - Retire binutils-s390-ifunc-relocs-in-notes.patch - Retire binutils-x86_64-ifunc-relocs-in-notes.patch
297 lines
8.4 KiB
Diff
297 lines
8.4 KiB
Diff
diff -rup binutils.orig/bfd/elf32-i386.c binutils-2.30/bfd/elf32-i386.c
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--- binutils.orig/bfd/elf32-i386.c 2018-03-09 14:43:05.324208873 +0000
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+++ binutils-2.30/bfd/elf32-i386.c 2018-03-09 14:43:23.158000456 +0000
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@@ -2202,12 +2202,19 @@ elf_i386_relocate_section (bfd *output_b
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if ((input_section->flags & SEC_ALLOC) == 0)
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{
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+ /* If this is a SHT_NOTE section without SHF_ALLOC, treat
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+ STT_GNU_IFUNC symbol as STT_FUNC. */
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+ if (elf_section_type (input_section) == SHT_NOTE)
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+ goto skip_ifunc;
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/* Dynamic relocs are not propagated for SEC_DEBUGGING
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sections because such sections are not SEC_ALLOC and
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thus ld.so will not process them. */
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if ((input_section->flags & SEC_DEBUGGING) != 0)
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continue;
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- abort ();
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+ _bfd_error_handler (_("%B: error: relocation againt ifunc symbol in non-alloc section %A"),
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+ input_bfd, input_section);
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+ bfd_set_error (bfd_error_invalid_operation);
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+ return FALSE;
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}
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/* STT_GNU_IFUNC symbol must go through PLT. */
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@@ -2421,6 +2428,7 @@ do_ifunc_pointer:
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}
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}
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+ skip_ifunc:
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resolved_to_zero = (eh != NULL
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&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
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diff -rup binutils.orig/bfd/elf32-s390.c binutils-2.30/bfd/elf32-s390.c
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--- binutils.orig/bfd/elf32-s390.c 2018-03-09 14:43:05.325208861 +0000
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+++ binutils-2.30/bfd/elf32-s390.c 2018-03-09 14:43:31.353904647 +0000
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@@ -2601,6 +2601,9 @@ elf_s390_relocate_section (bfd *output_b
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case R_390_8:
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case R_390_16:
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case R_390_32:
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+ if ((input_section->flags & SEC_ALLOC) == 0)
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+ break;
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+
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if (h != NULL
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&& s390_is_ifunc_symbol_p (h)
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&& h->def_regular)
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@@ -2662,9 +2665,6 @@ elf_s390_relocate_section (bfd *output_b
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}
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}
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- if ((input_section->flags & SEC_ALLOC) == 0)
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- break;
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-
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if ((bfd_link_pic (info)
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&& (h == NULL
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|| (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
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Only in binutils-2.30/bfd: elf32-s390.c.orig
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diff -rup binutils.orig/bfd/elf64-s390.c binutils-2.30/bfd/elf64-s390.c
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--- binutils.orig/bfd/elf64-s390.c 2018-03-09 14:43:05.341208674 +0000
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+++ binutils-2.30/bfd/elf64-s390.c 2018-03-09 14:43:31.354904635 +0000
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@@ -2559,6 +2559,9 @@ elf_s390_relocate_section (bfd *output_b
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case R_390_32:
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case R_390_64:
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+ if ((input_section->flags & SEC_ALLOC) == 0)
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+ break;
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+
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if (h != NULL
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&& s390_is_ifunc_symbol_p (h)
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&& h->def_regular)
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@@ -2621,9 +2624,6 @@ elf_s390_relocate_section (bfd *output_b
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}
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}
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- if ((input_section->flags & SEC_ALLOC) == 0)
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- break;
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-
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if ((bfd_link_pic (info)
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&& (h == NULL
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|| (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
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Only in binutils-2.30/bfd: elf64-s390.c.orig
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diff -rup binutils.orig/bfd/elf64-x86-64.c binutils-2.30/bfd/elf64-x86-64.c
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--- binutils.orig/bfd/elf64-x86-64.c 2018-03-09 14:43:05.344208639 +0000
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+++ binutils-2.30/bfd/elf64-x86-64.c 2018-03-09 14:43:23.161000420 +0000
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@@ -2499,12 +2499,19 @@ elf_x86_64_relocate_section (bfd *output
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if ((input_section->flags & SEC_ALLOC) == 0)
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{
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+ /* If this is a SHT_NOTE section without SHF_ALLOC, treat
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+ STT_GNU_IFUNC symbol as STT_FUNC. */
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+ if (elf_section_type (input_section) == SHT_NOTE)
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+ goto skip_ifunc;
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/* Dynamic relocs are not propagated for SEC_DEBUGGING
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sections because such sections are not SEC_ALLOC and
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thus ld.so will not process them. */
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if ((input_section->flags & SEC_DEBUGGING) != 0)
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continue;
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- abort ();
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+ _bfd_error_handler (_("%B: error: relocation againt ifunc symbol in non-alloc section %A"),
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+ input_bfd, input_section);
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+ bfd_set_error (bfd_error_invalid_operation);
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+ return FALSE;
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}
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switch (r_type)
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@@ -2722,6 +2729,7 @@ do_ifunc_pointer:
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}
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}
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+ skip_ifunc:
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resolved_to_zero = (eh != NULL
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&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
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diff -rup binutils.orig/bfd/elfnn-aarch64.c binutils-2.30/bfd/elfnn-aarch64.c
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--- binutils.orig/bfd/elfnn-aarch64.c 2018-03-09 14:43:05.337208721 +0000
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+++ binutils-2.30/bfd/elfnn-aarch64.c 2018-03-09 14:43:31.355904624 +0000
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@@ -4987,6 +4987,11 @@ elfNN_aarch64_final_link_relocate (reloc
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if ((input_section->flags & SEC_ALLOC) == 0)
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{
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+ /* If this is a SHT_NOTE section without SHF_ALLOC, treat
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+ STT_GNU_IFUNC symbol as STT_FUNC. */
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+ if (elf_section_type (input_section) == SHT_NOTE)
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+ goto skip_ifunc;
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+
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/* Dynamic relocs are not propagated for SEC_DEBUGGING
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sections because such sections are not SEC_ALLOC and
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thus ld.so will not process them. */
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@@ -5180,6 +5185,7 @@ bad_ifunc_reloc:
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}
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}
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+ skip_ifunc:
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resolved_to_zero = (h != NULL
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&& UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
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Only in binutils-2.30/bfd: elfnn-aarch64.c.orig
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diff -rup binutils.orig/bfd/elfxx-sparc.c binutils-2.30/bfd/elfxx-sparc.c
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--- binutils.orig/bfd/elfxx-sparc.c 2018-03-09 14:43:05.333208768 +0000
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+++ binutils-2.30/bfd/elfxx-sparc.c 2018-03-09 14:43:31.355904624 +0000
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@@ -3026,7 +3026,13 @@ _bfd_sparc_elf_relocate_section (bfd *ou
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if ((input_section->flags & SEC_ALLOC) == 0
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|| h->plt.offset == (bfd_vma) -1)
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- abort ();
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+ {
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+ /* If this is a SHT_NOTE section without SHF_ALLOC, treat
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+ STT_GNU_IFUNC symbol as STT_FUNC. */
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+ if (elf_section_type (input_section) == SHT_NOTE)
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+ goto skip_ifunc;
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+ abort ();
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+ }
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plt_sec = htab->elf.splt;
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if (! plt_sec)
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@@ -3130,6 +3136,7 @@ _bfd_sparc_elf_relocate_section (bfd *ou
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}
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}
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+ skip_ifunc:
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eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
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resolved_to_zero = (eh != NULL
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&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
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Only in binutils-2.30/bfd: elfxx-sparc.c.orig
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diff -rup binutils.orig/ld/testsuite/ld-ifunc/ifunc.exp binutils-2.30/ld/testsuite/ld-ifunc/ifunc.exp
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--- binutils.orig/ld/testsuite/ld-ifunc/ifunc.exp 2018-03-09 14:43:04.844214486 +0000
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+++ binutils-2.30/ld/testsuite/ld-ifunc/ifunc.exp 2018-03-09 14:43:31.355904624 +0000
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@@ -47,6 +47,9 @@ if ![check_shared_lib_support] {
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return
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}
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+# This test does not need a compiler...
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+run_dump_test "ifuncmod5"
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+
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# We need a working compiler. (Strictly speaking this is
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# not true, we could use target specific assembler files).
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if { [which $CC] == 0 } {
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Only in binutils-2.30: testsuite
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--- /dev/null 2018-03-09 07:59:09.608015200 +0000
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+++ binutils-2.30/ld/testsuite/ld-ifunc/ifuncmod5.s 2018-03-09 14:45:45.698334500 +0000
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@@ -0,0 +1,105 @@
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+ .file "ifuncmod5.c"
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+
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+ .text
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+ .type ifuncmod5.c, STT_NOTYPE
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+ifuncmod5.c:
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+ .size ifuncmod5.c, 0
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+
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+ .pushsection .gnu.build.attributes, "", %note
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+ .balign 4
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+ .dc.l 8
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+ .dc.l 16
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+ .dc.l 0x100
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+ .asciz "GA$3p4"
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+ .dc.a ifuncmod5.c
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+ .dc.a ifuncmod5.c_end
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+ .popsection
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+
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+.Ltext0:
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+#APP
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+ .protected global
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+ .type foo, %gnu_indirect_function
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+ .type foo_hidden, %gnu_indirect_function
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+ .type foo_protected, %gnu_indirect_function
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+ .hidden foo_hidden
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+ .protected foo_protected
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+#NO_APP
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+ .align 8
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+ .type one, %function
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+one:
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+ .dc.l 0
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+ .size one, .-one
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+ .align 8
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+
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+.globl foo
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+ .type foo, %function
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+foo:
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+ .dc.l 0
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+ .size foo, .-foo
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+
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+ .pushsection .gnu.build.attributes
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+ .dc.l 6
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+ .dc.l 16
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+ .dc.l 0x101
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+ .dc.b 0x47, 0x41, 0x2a, 0x2, 0, 0
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+ .dc.b 0, 0
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+ .dc.a foo
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+ .dc.a foo_end
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+ .popsection
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+
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+foo_end:
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+ .align 8
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+.globl foo_hidden
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+ .type foo_hidden, %function
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+foo_hidden:
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+ .dc.l 0
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+ .size foo_hidden, .-foo_hidden
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+
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+ .pushsection .gnu.build.attributes
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+ .dc.l 6
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+ .dc.l 16
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+ .dc.l 0x101
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+ .dc.b 0x47, 0x41, 0x2a, 0x2, 0, 0
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+ .dc.b 0, 0
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+ .dc.a foo_hidden
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+ .dc.a foo_hidden_end
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+ .popsection
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+
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+foo_hidden_end:
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+ .align 8
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+
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+ .globl foo_protected
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+ .type foo_protected, %function
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+foo_protected:
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+ .dc.l 0
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+
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+ .size foo_protected, .-foo_protected
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+
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+ .pushsection .gnu.build.attributes
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+ .dc.l 6
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+ .dc.l 16
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+ .dc.l 0x101
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+ .dc.b 0x47, 0x41, 0x2a, 0x2, 0, 0
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+ .dc.b 0, 0
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+ .dc.a foo_protected
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+ .dc.a foo_protected_end
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+ .popsection
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+
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+foo_protected_end:
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+ .globl global
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+
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+ .data
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+ .align 4
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+ .type global, %object
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+ .size global, 4
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+global:
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+ .long -1
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+
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+ .text
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+ .Letext0:
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+
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+ifuncmod5.c_end:
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+ .type ifuncmod5.c_end, STT_NOTYPE
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+ .size ifuncmod5.c_end, 0
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+
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+
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--- /dev/null 2018-03-09 07:59:09.608015200 +0000
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+++ binutils-2.30/ld/testsuite/ld-ifunc/ifuncmod5.d 2018-03-09 14:45:45.698334500 +0000
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@@ -0,0 +1,8 @@
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+# name: Reloc against IFUNC symbol in NOTE section
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+# ld: -shared
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+# nm: -p
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+
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+# We do not actually care about the notes at the moment.
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+# The purpose of this test is to make sure that the link completes successfully.
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+#pass
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+
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