2012-07-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>

* elf64-s390.c: Include elf-s390-common.c.
	(R_390_IRELATIVE): New reloc.
	(elf_s390_reloc_type_lookup): Support R_390_IRELATIVE.
	(RELA_ENTRY_SIZE): New macro.
	(elf_s390_link_hash_entry): New fields ifunc_resolver_address and
	*ifunc_resolver_section.
	(struct plt_entry): New struct.
	(struct elf_s390_obj_tdata): New field local_plt.
	(elf_s390_local_plt): New macro.
	(struct elf_s390_link_hash_table): New field irelifunc.
	(ELF64): New macro.
	(link_hash_newfunc): Initialize new fields.
	(elf_s390_check_relocs): Handle IFUNC symbols.
	(elf_s390_adjust_dynamic_symbol): Don't do anything for IFUNC
	symbols.
	(allocate_dynrelocs): Call s390_elf_allocate_ifunc_dyn_relocs for
	IFUNC symbols.
	(elf_s390_size_dynamic_sections): Handle IFUNC symbols.
	(elf_s390_relocate_section): Likewise.
	(elf_s390_finish_dynamic_symbol): Likewise.
	(elf_s390_finish_dynamic_sections): Handle local IFUNC symbols.
	(elf_s390_finish_ifunc_symbol): New function.
	(elf_s390_gc_sweep_hook): Handle local plt entries.
	(elf_backend_add_symbol_hook): Define.
	* elf32-s390.c: See elf64-s390.c changes.
	* elf-s390-common.c: New file.
	* bfd-in2.h (BFD_RELOC_390_IRELATIVE): New enum field.
	* libbfd.h (BFD_RELOC_390_IRELATIVE): New entry for
	BFD_RELOC_390_IRELATIVE.
	* reloc.c (BFD_RELOC_390_IRELATIVE): Document new relocation.

2012-07-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* elf/s390.h (START_RELOC_NUMBERS): Define R_390_IRELATIVE reloc.

2012-07-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* emulparams/elf_s390.sh (IREL_IN_PLT): Define.
	* emulparams/elf64_s390.sh (IREL_IN_PLT): Define.
This commit is contained in:
Andreas Krebbel 2012-07-13 15:47:25 +00:00
parent d2f675622f
commit 5e99c15672
2 changed files with 5 additions and 0 deletions

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@ -1,3 +1,7 @@
2012-07-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* elf/s390.h (START_RELOC_NUMBERS): Define R_390_IRELATIVE reloc.
2012-06-18 Doug Evans <dje@google.com>
* dwarf2.def (DW_OP): Add DW_OP_GNU_const_index.

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@ -119,6 +119,7 @@ START_RELOC_NUMBERS (elf_s390_reloc_type)
RELOC_NUMBER (R_390_GOTPLT20, 59) /* 20 bit offset to jump slot. */
RELOC_NUMBER (R_390_TLS_GOTIE20, 60)/* 20 bit GOT offset for statis TLS
block offset. */
RELOC_NUMBER (R_390_IRELATIVE, 61) /* IFUNC relocation. */
/* These are GNU extensions to enable C++ vtable garbage collection. */
RELOC_NUMBER (R_390_GNU_VTINHERIT, 250)
RELOC_NUMBER (R_390_GNU_VTENTRY, 251)