include/elf/

            * common.h (STT_IFUNC): Define.
elfcpp/
            * elfcpp.h (enum STT): Add STT_IFUNC.
bfd/
            * syms.c (struct bfd_symbol): Add new flag BSF_INDIRECT_FUNCTION.
            Remove redundant flag BFD_FORT_COMM_DEFAULT_VALUE.  Renumber flags
            to remove gaps.
            (bfd_print_symbol_vandf): Return 'i' for BSF_INDIRECT_FUNCTION.
            (bfd_decode_symclass): Likewise.
            * elf.c (swap_out_syms): Translate BSF_INDIRECT_FUNCTION into
            STT_IFUNC.
            (elf_find_function): Treat STT_IFUNC in the same way as STT_FUNC.
            (_bfd_elf_is_function_type): Likewise.
            * elf32-arm.c (arm_elf_find_function): Likewise.
            (elf32_arm_adjust_dynamic_symbol): Likewise.
            (elf32_arm_swap_symbol_in): Likewise.
            (elf32_arm_additional_program_headers): Likewise.
            * elf32-i386.c (is_indirect_symbol): New function.
            (elf_i386_check_relocs): Also generate dynamic relocs for
            relocations against STT_IFUNC symbols.
            (allocate_dynrelocs): Likewise.
            (elf_i386_relocate_section): Likewise.
            * elf64-x86-64.c (is_indirect_symbol): New function.
            (elf64_x86_64_check_relocs): Also generate dynamic relocs for
            relocations against STT_IFUNC symbols.
            (allocate_dynrelocs): Likewise.
            (elf64_x86_64_relocate_section): Likewise.
            * elfcode.h (elf_slurp_symbol_table): Translate STT_IFUNC into
            BSF_INDIRECT_FUNCTION.
            * elflink.c (_bfd_elf_adjust_dynamic_reloc_section): Add support
            for STT_IFUNC symbols.
            (get_ifunc_reloc_section_name): New function.
            (_bfd_elf_make_ifunc_reloc_section): New function.
            * elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs field.
            * bfd-in2.h: Regenerate.
gas/
            * config/obj-elf.c (obj_elf_type): Add support for STT_IFUNC type.
            * doc/as.texinfo: Document new feature.
            * NEWS: Mention new feature.
gas/testsuite/
            * gas/elf/type.s: Add test of STT_IFUNC symbol type.
            * gas/elf/type.e: Update expected disassembly.
            * gas/elf/elf.exp: Update grep of symbol types.
ld/
            * NEWS: Mention new feature.
            * pe-dll.c (process_def_file): Replace use of redundant
            BFD_FORT_COMM_DEFAULT_VALUE with 0.
            * scripttempl/elf.sc: Add .rel.ifunc.dyn and .rela.ifunc.dyn
            sections.
ld/testsuite/
            * ld-mips-elf/reloc-1-n32.d: Updated expected output for reloc
            descriptions.
            * ld-mips-elf/reloc-1-n64.d: Likewise.
            * ld-i386/ifunc.d: New test.
            * ld-i386/ifunc.s: Source file for the new test.
            * ld-i386/i386.exp: Run the new test.

1 files changed, 5 insertions, 3 deletions

diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index cd5a9bfc071..dacbc16c60e 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -9430,6 +9430,7 @@ arm_elf_find_function (bfd *         abfd ATTRIBUTE_UNUSED,
 	  filename = bfd_asymbol_name (&q->symbol);
 	  break;
 	case STT_FUNC:
+	case STT_IFUNC:
 	case STT_ARM_TFUNC:
 	case STT_NOTYPE:
 	  /* Skip mapping symbols.  */
@@ -9555,7 +9556,7 @@ elf32_arm_adjust_dynamic_symbol (struct bfd_link_info * info,
   /* If this is a function, put it in the procedure linkage table.  We
      will fill in the contents of the procedure linkage table later,
      when we know the address of the .got section.  */
-  if (h->type == STT_FUNC || h->type == STT_ARM_TFUNC
+  if (h->type == STT_FUNC || h->type == STT_ARM_TFUNC || h->type == STT_IFUNC
       || h->needs_plt)
     {
       if (h->plt.refcount <= 0
@@ -11729,7 +11730,8 @@ elf32_arm_swap_symbol_in (bfd * abfd,
 
   /* New EABI objects mark thumb function symbols by setting the low bit of
      the address.  Turn these into STT_ARM_TFUNC.  */
-  if (ELF_ST_TYPE (dst->st_info) == STT_FUNC
+  if ((ELF_ST_TYPE (dst->st_info) == STT_FUNC
+       || ELF_ST_TYPE (dst->st_info) == STT_IFUNC)
       && (dst->st_value & 1))
     {
       dst->st_info = ELF_ST_INFO (ELF_ST_BIND (dst->st_info), STT_ARM_TFUNC);
@@ -11830,7 +11832,7 @@ elf32_arm_additional_program_headers (bfd *abfd,
 static bfd_boolean
 elf32_arm_is_function_type (unsigned int type)
 {
-  return (type == STT_FUNC) || (type == STT_ARM_TFUNC);
+  return (type == STT_FUNC) || (type == STT_ARM_TFUNC) || (type == STT_IFUNC);
 }
 
 /* We use this to override swap_symbol_in and swap_symbol_out.  */