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.

2 files changed, 70 insertions, 70 deletions

diff --git a/ld/testsuite/ld-mips-elf/reloc-1-n32.d b/ld/testsuite/ld-mips-elf/reloc-1-n32.d
index dd41822..87a55f9 100644
--- a/ld/testsuite/ld-mips-elf/reloc-1-n32.d
+++ b/ld/testsuite/ld-mips-elf/reloc-1-n32.d
@@ -8,10 +8,10 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against tstarta
 #
-.* R_MIPS_HI16 .* \.text \+ ffff7ff0
-.* R_MIPS_LO16 .* \.text \+ ffff7ff0
-.* R_MIPS_HI16 .* \.text \+ ffff8000
-.* R_MIPS_LO16 .* \.text \+ ffff8000
+.* R_MIPS_HI16 .* \.text \- 8010
+.* R_MIPS_LO16 .* \.text \- 8010
+.* R_MIPS_HI16 .* \.text \- 8000
+.* R_MIPS_LO16 .* \.text \- 8000
 .* R_MIPS_HI16 .* \.text \+ 0
 .* R_MIPS_LO16 .* \.text \+ 0
 .* R_MIPS_HI16 .* \.text \+ 7ff0
@@ -21,10 +21,10 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against t32a
 #
-.* R_MIPS_HI16 .* \.text \+ ffff8010
-.* R_MIPS_LO16 .* \.text \+ ffff8010
-.* R_MIPS_HI16 .* \.text \+ ffff8020
-.* R_MIPS_LO16 .* \.text \+ ffff8020
+.* R_MIPS_HI16 .* \.text \- 7ff0
+.* R_MIPS_LO16 .* \.text \- 7ff0
+.* R_MIPS_HI16 .* \.text \- 7fe0
+.* R_MIPS_LO16 .* \.text \- 7fe0
 .* R_MIPS_HI16 .* \.text \+ 20
 .* R_MIPS_LO16 .* \.text \+ 20
 .* R_MIPS_HI16 .* \.text \+ 8010
@@ -34,10 +34,10 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against _start
 #
-.* R_MIPS_HI16 .* _start \+ ffff7ff0
-.* R_MIPS_LO16 .* _start \+ ffff7ff0
-.* R_MIPS_HI16 .* _start \+ ffff8000
-.* R_MIPS_LO16 .* _start \+ ffff8000
+.* R_MIPS_HI16 .* _start \- 8010
+.* R_MIPS_LO16 .* _start \- 8010
+.* R_MIPS_HI16 .* _start \- 8000
+.* R_MIPS_LO16 .* _start \- 8000
 .* R_MIPS_HI16 .* _start \+ 0
 .* R_MIPS_LO16 .* _start \+ 0
 .* R_MIPS_HI16 .* _start \+ 7ff0
@@ -47,10 +47,10 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against tstarta
 #
-.* R_MIPS_GOT16 .* \.text \+ ffff7ff0
-.* R_MIPS_LO16 .* \.text \+ ffff7ff0
-.* R_MIPS_GOT16 .* \.text \+ ffff8000
-.* R_MIPS_LO16 .* \.text \+ ffff8000
+.* R_MIPS_GOT16 .* \.text \- 8010
+.* R_MIPS_LO16 .* \.text \- 8010
+.* R_MIPS_GOT16 .* \.text \- 8000
+.* R_MIPS_LO16 .* \.text \- 8000
 .* R_MIPS_GOT16 .* \.text \+ 0
 .* R_MIPS_LO16 .* \.text \+ 0
 .* R_MIPS_GOT16 .* \.text \+ 7ff0
@@ -60,10 +60,10 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against t32a
 #
-.* R_MIPS_GOT16 .* \.text \+ ffff8010
-.* R_MIPS_LO16 .* \.text \+ ffff8010
-.* R_MIPS_GOT16 .* \.text \+ ffff8020
-.* R_MIPS_LO16 .* \.text \+ ffff8020
+.* R_MIPS_GOT16 .* \.text \- 7ff0
+.* R_MIPS_LO16 .* \.text \- 7ff0
+.* R_MIPS_GOT16 .* \.text \- 7fe0
+.* R_MIPS_LO16 .* \.text \- 7fe0
 .* R_MIPS_GOT16 .* \.text \+ 20
 .* R_MIPS_LO16 .* \.text \+ 20
 .* R_MIPS_GOT16 .* \.text \+ 8010
@@ -73,20 +73,20 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against sdg
 #
-.* R_MIPS_GPREL16 .* sdg \+ fffffffc
+.* R_MIPS_GPREL16 .* sdg \- 4
 .* R_MIPS_GPREL16 .* sdg \+ 0
 .* R_MIPS_GPREL16 .* sdg \+ 4
 #
 # Relocations against sdla.  .sdata should be the first piece of gp-relative
 # data, which the linker script should put _gp - 0x7ff0.
 #
-.* R_MIPS_GPREL16 .* \.sdata \+ ffff801c
-.* R_MIPS_GPREL16 .* \.sdata \+ ffff8020
-.* R_MIPS_GPREL16 .* \.sdata \+ ffff8024
+.* R_MIPS_GPREL16 .* \.sdata \- 7fe4
+.* R_MIPS_GPREL16 .* \.sdata \- 7fe0
+.* R_MIPS_GPREL16 .* \.sdata \- 7fdc
 #
 # Relocations against tstarta
 #
-.* R_MIPS_26 .* \.text \+ fffffffc
+.* R_MIPS_26 .* \.text \- 4
 .* R_MIPS_26 .* \.text \+ 0
 .* R_MIPS_26 .* \.text \+ 4
 #
@@ -98,7 +98,7 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against _start
 #
-.* R_MIPS_26 .* _start \+ fffffffc
+.* R_MIPS_26 .* _start \- 4
 .* R_MIPS_26 .* _start \+ 0
 .* R_MIPS_26 .* _start \+ 4
 #
@@ -130,10 +130,10 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against _start
 #
-.* R_MIPS_HI16 .* _start \+ ffff7ff0
-.* R_MIPS_LO16 .* _start \+ ffff7ff0
-.* R_MIPS_HI16 .* _start \+ ffff8000
-.* R_MIPS_LO16 .* _start \+ ffff8000
+.* R_MIPS_HI16 .* _start \- 8010
+.* R_MIPS_LO16 .* _start \- 8010
+.* R_MIPS_HI16 .* _start \- 8000
+.* R_MIPS_LO16 .* _start \- 8000
 .* R_MIPS_HI16 .* _start \+ 0
 .* R_MIPS_LO16 .* _start \+ 0
 .* R_MIPS_HI16 .* _start \+ 7ff0
@@ -169,15 +169,15 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against sdg
 #
-.* R_MIPS_GPREL16 .* sdg \+ fffffffc
+.* R_MIPS_GPREL16 .* sdg \- 4
 .* R_MIPS_GPREL16 .* sdg \+ 0
 .* R_MIPS_GPREL16 .* sdg \+ 4
 #
 # Relocations against sdlb
 #
-.* R_MIPS_GPREL16 .* \.sdata \+ ffff803c
-.* R_MIPS_GPREL16 .* \.sdata \+ ffff8040
-.* R_MIPS_GPREL16 .* \.sdata \+ ffff8044
+.* R_MIPS_GPREL16 .* \.sdata \- 7fc4
+.* R_MIPS_GPREL16 .* \.sdata \- 7fc0
+.* R_MIPS_GPREL16 .* \.sdata \- 7fbc
 #
 # Relocations against tstartb
 #
@@ -193,7 +193,7 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against _start
 #
-.* R_MIPS_26 .* _start \+ fffffffc
+.* R_MIPS_26 .* _start \- 4
 .* R_MIPS_26 .* _start \+ 0
 .* R_MIPS_26 .* _start \+ 4
 #pass
diff --git a/ld/testsuite/ld-mips-elf/reloc-1-n64.d b/ld/testsuite/ld-mips-elf/reloc-1-n64.d
index 42d74ea..2cfbe9a 100644
--- a/ld/testsuite/ld-mips-elf/reloc-1-n64.d
+++ b/ld/testsuite/ld-mips-elf/reloc-1-n64.d
@@ -8,16 +8,16 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against tstarta
 #
-.* R_MIPS_HI16 .* \.text \+ f+7ff0
+.* R_MIPS_HI16 .* \.text \- 8010
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* \.text \+ f+7ff0
+.* R_MIPS_LO16 .* \.text \- 8010
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_HI16 .* \.text \+ f+8000
+.* R_MIPS_HI16 .* \.text \- 8000
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* \.text \+ f+8000
+.* R_MIPS_LO16 .* \.text \- 8000
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_HI16 .* \.text \+ 0
@@ -41,16 +41,16 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against t32a
 #
-.* R_MIPS_HI16 .* \.text \+ f+8010
+.* R_MIPS_HI16 .* \.text \- 7ff0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* \.text \+ f+8010
+.* R_MIPS_LO16 .* \.text \- 7ff0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_HI16 .* \.text \+ f+8020
+.* R_MIPS_HI16 .* \.text \- 7fe0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* \.text \+ f+8020
+.* R_MIPS_LO16 .* \.text \- 7fe0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_HI16 .* \.text \+ 20
@@ -74,16 +74,16 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against _start
 #
-.* R_MIPS_HI16 .* _start \+ f+7ff0
+.* R_MIPS_HI16 .* _start \- 8010
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* _start \+ f+7ff0
+.* R_MIPS_LO16 .* _start \- 8010
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_HI16 .* _start \+ f+8000
+.* R_MIPS_HI16 .* _start \- 8000
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* _start \+ f+8000
+.* R_MIPS_LO16 .* _start \- 8000
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_HI16 .* _start \+ 0
@@ -107,16 +107,16 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against tstarta
 #
-.* R_MIPS_GOT16 .* \.text \+ f+7ff0
+.* R_MIPS_GOT16 .* \.text \- 8010
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* \.text \+ f+7ff0
+.* R_MIPS_LO16 .* \.text \- 8010
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_GOT16 .* \.text \+ f+8000
+.* R_MIPS_GOT16 .* \.text \- 8000
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* \.text \+ f+8000
+.* R_MIPS_LO16 .* \.text \- 8000
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_GOT16 .* \.text \+ 0
@@ -140,16 +140,16 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against t32a
 #
-.* R_MIPS_GOT16 .* \.text \+ f+8010
+.* R_MIPS_GOT16 .* \.text \- 7ff0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* \.text \+ f+8010
+.* R_MIPS_LO16 .* \.text \- 7ff0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_GOT16 .* \.text \+ f+8020
+.* R_MIPS_GOT16 .* \.text \- 7fe0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* \.text \+ f+8020
+.* R_MIPS_LO16 .* \.text \- 7fe0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_GOT16 .* \.text \+ 20
@@ -173,7 +173,7 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against sdg
 #
-.* R_MIPS_GPREL16 .* sdg \+ f+fffc
+.* R_MIPS_GPREL16 .* sdg \- 4
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_GPREL16 .* sdg \+ 0
@@ -186,19 +186,19 @@ Relocation section '\.rela\.text' .*
 # Relocations against sdla.  .sdata should be the first piece of gp-relative
 # data, which the linker script should put _gp - 0x7ff0.
 #
-.* R_MIPS_GPREL16 .* \.sdata \+ f+801c
+.* R_MIPS_GPREL16 .* \.sdata \- 7fe4
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_GPREL16 .* \.sdata \+ f+8020
+.* R_MIPS_GPREL16 .* \.sdata \- 7fe0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_GPREL16 .* \.sdata \+ f+8024
+.* R_MIPS_GPREL16 .* \.sdata \- 7fdc
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 #
 # Relocations against tstarta
 #
-.* R_MIPS_26 .* \.text \+ f+fffc
+.* R_MIPS_26 .* \.text \- 4
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_26 .* \.text \+ 0
@@ -222,7 +222,7 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against _start
 #
-.* R_MIPS_26 .* _start \+ f+fffc
+.* R_MIPS_26 .* _start \- 4
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_26 .* _start \+ 0
@@ -300,16 +300,16 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against _start
 #
-.* R_MIPS_HI16 .* _start \+ f+7ff0
+.* R_MIPS_HI16 .* _start \- 8010
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* _start \+ f+7ff0
+.* R_MIPS_LO16 .* _start \- 8010
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_HI16 .* _start \+ f+8000
+.* R_MIPS_HI16 .* _start \- 8000
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_LO16 .* _start \+ f+8000
+.* R_MIPS_LO16 .* _start \- 8000
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_HI16 .* _start \+ 0
@@ -399,7 +399,7 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against sdg
 #
-.* R_MIPS_GPREL16 .* sdg \+ f+fffc
+.* R_MIPS_GPREL16 .* sdg \- 4
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_GPREL16 .* sdg \+ 0
@@ -411,13 +411,13 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against sdlb
 #
-.* R_MIPS_GPREL16 .* \.sdata \+ f+803c
+.* R_MIPS_GPREL16 .* \.sdata \- 7fc4
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_GPREL16 .* \.sdata \+ f+8040
+.* R_MIPS_GPREL16 .* \.sdata \- 7fc0
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
-.* R_MIPS_GPREL16 .* \.sdata \+ f+8044
+.* R_MIPS_GPREL16 .* \.sdata \- 7fbc
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 #
@@ -447,7 +447,7 @@ Relocation section '\.rela\.text' .*
 #
 # Relocations against _start
 #
-.* R_MIPS_26 .* _start \+ f+fffc
+.* R_MIPS_26 .* _start \- 4
 .* R_MIPS_NONE *
 .* R_MIPS_NONE *
 .* R_MIPS_26 .* _start \+ 0