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Author SHA1 Message Date
Alan Modra
a7f2871e66 include/elf/
* ppc.h (DT_PPC_TLSOPT): Define.
	* ppc64.h (DT_PPC64_TLSOPT): Define.
bfd/
	* elf32-ppc.c (TLS_GET_ADDR_GLINK_SIZE): Define.
	(ADD_3_12_2, BEQLR, CMPWI_11_0, LWZ_11_3, LWZ_12_3): Define.
	(MR_0_3, MR_3_0): Define.
	(struct ppc_elf_link_hash_table): Add no_tls_get_addr_opt.
	(ppc_elf_select_plt_layout): Save emit_stub_syms param earlier.
	(ppc_elf_tls_setup): Add no_tls_get_addr_opt param and save to hash
	table.  Check for presense of __tls_get_addr_opt
	(allocate_dynrelocs): Increase glink entry size for __tls_get_addr.
	(ppc_elf_size_dynamic_sections): Add DT_PPC_TLS_OPT tag.
	(write_glink_stub): Add param p.
	(ppc_elf_relocate_section): Adjust write_glink_stub call.
	(ppc_elf_finish_dynamic_symbol): Emit special glink call stub for
	__tls_get_addr.
	* elf32-ppc.h (ppc_elf_tls_setup): Update prototype.
	* elf64-ppc.c (struct ppc_link_hash_table): Add no_tls_get_addr_opt.
	(ppc64_elf_tls_setup): Add no_tls_get_addr_opt param and save to hash
	table.  Check for presense of __tls_get_addr_opt.
	(ppc64_elf_size_dynamic_sections): Add DT_PPC64_TLS_OPT tag.
	(LD_R11_0R3, LD_R12_0R3, MR_R0_R3, CMPDI_R11_0, ADD_R3_R12_R13,
	BEQLR, MR_R3_R0, MFLR_R11, STD_R11_0R1, BCTRL, LD_R11_0R1,
	LD_R2_0R1, MTLR_R11): Define.
	(build_tls_get_addr_stub): New function.
	(ppc_build_one_stub): Call it.
	(ppc_size_one_stub): Add extra size for __tls_get_addr stub.
	(ppc64_elf_relocate_section): Don't change nop to ld 2,40(1) for
	__tls_get_addr plt call.
	* elf64-ppc.h (ppc64_elf_tls_setup): Update prototype.
binutils/
	* readelf.c (get_ppc_dynamic_type): Add TLSOPT.
	(get_ppc64_dynamic_type): Likewise.
ld/
	* emultempl/ppc32elf.em (no_tls_get_addr_opt): New var.
	(ppc_before_allocation): Pass to ppc_elf_tls_setup.
	(OPTION_NO_TLS_GET_ADDR_OPT): Define.  Redefine other options in
	terms of previous option.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add
	--no-tls-get-addr-optimize.
	(PARSE_AND_LIST_ARGS_CASES): Handle it.
	* emultempl/ppc64elf.em (no_tls_get_addr_opt): New var.
	(ppc_before_allocation): Pass to ppc64_elf_tls_setup.
	(OPTION_NO_TLS_GET_ADDR_OPT): Define.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add
	--no-tls-get-addr-optimize.
	(PARSE_AND_LIST_ARGS_CASES): Handle it.
ld/testsuite/
	* ld-powerpc/tlslib.s: Delete dot-symbol entry syms.  Add
	__tls_get_addr_opt.
	* ld-powerpc/tlslib32.s: Add __tls_get_addr_opt.
	* ld-powerpc/oldtlslib.s: New file, old-abi version of tlslib.s.
	* ld-powerpc/powerpc.exp: Build old-abi library and use it in
	two new link tests.
	* ld-powerpc/tlsexe.d: Update for new __tls_get_addr stub.
	* ld-powerpc/tlsexe.g, * ld-powerpc/tlsexe.r, *ld-powerpc/tlsexe32.d,
	* ld-powerpc/tlsexe32.g, * ld-powerpc/tlsexe32.r,
	* ld-powerpc/tlsexetoc.d, * ld-powerpc/tlsexetoc.g,
	* ld-powerpc/tlsexetoc.r: Likewise.
2009-09-21 11:51:02 +00:00
Nick Clifton
cd123cb70c Switch sources over to use the GPL version 3 2007-07-03 14:26:43 +00:00
Alan Modra
016687f8ba bfd/
* elf32-ppc.h (ppc_elf_select_plt_layout): Update prototype.
	(enum ppc_elf_plt_type): Move from..
	* elf32-ppc.c: ..here.
	(struct ppc_elf_obj_tdata): Add makes_plt_call and has_rel16.
	(struct ppc_elf_link_hash_table): Reorder.  Add old_bfd.  Delete
	can_use_new_plt.  Make is_vxworks a bitfield.
	(ppc_elf_link_hash_table_create): Don't clear is_vxworks (again).
	(ppc_elf_check_relocs): Update setting of reloc flags.  Set old_bfd.
	(ppc_elf_select_plt_layout): Modify parameters.  Use bfd reloc
	flags to better detect object files needing old bss-style plt.
	Allow secure plt to be used without rel16 relocs being detected.
	Warn if secure plt request cannot be allowed.
ld/
	* emultempl/ppc32elf.em (plt_style): New variable.
	(old_plt): Delete.
	(ppc_after_open): Adjust ppc_elf_select_plt_layout call.
	(PARSE_AND_LIST_PROLOGUE): Define OPTION_NEW_PLT, renumber
	OPTION_OLD_PLT, OPTION_OLD_GOT and OPTION_STUBSYMS.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add secure-plt.
	(PARSE_AND_LIST_ARGS_CASES): Handle OPTION_NEW_PLT.
	* ld.texinfo (--secure-plt): Document.
2007-05-11 06:39:05 +00:00
Alan Modra
0ba079102f bfd/
* elf32-ppc.c (struct ppc_elf_link_hash_table): Add emit_stub_syms.
	(ppc_elf_select_plt_layout): Add emit_stub_syms param, save to htab.
	(add_stub_sym): New function.
	(allocate_dynrelocs): Call add_stub_sym.
	(ppc_elf_size_dynamic_sections): Emit __glink and __glink_PLTresolve
	when emit_stub_syms.
	* elf32-ppc.h (ppc_elf_select_plt_layout): Update prototype.
ld/
	* emultempl/ppc32elf.em (emit_stub_syms): New var.
	(ppc_after_open): Pass it to ppc_elf_select_plt_layout.
	(PARSE_AND_LIST_PROLOGUE <OPTION_STUBSYMS>): Define.
	(PARSE_AND_LIST_LONGOPTS): Add emit-stub-syms.
	(PARSE_AND_LIST_OPTIONS): Describe emit-stub-syms.
	(PARSE_AND_LIST_OPTIONS): Handle it.
2005-12-08 11:41:12 +00:00
Alan Modra
42fa7765a2 bfd/
* elf32-ppc.c (ppc_elf_set_sdata_syms): Return void.  Remove hack
	for zero size sections.  Don't set .sbss syms here.
	* elf32-ppc.h (ppc_elf_set_sdata_syms): Adjust prototype.
ld/
	* emultempl/elf32.em (gld*_provide_init_fini_syms): Prototype.
	(gld*_before_allocation): Call ldemul_do_assignments rather than
	gld*_provide_init_fini_syms directly.
	* emultempl/ppc32elf.em (gld*_after_allocation): Delete.
	(ppc_do_assignments): New function.
	(LDEMUL_AFTER_ALLOCATION): Don't define.
	(LDEMUL_DO_ASSIGNMENTS): Define.
2005-07-16 03:30:24 +00:00
Alan Modra
d7128ce4b1 * reloc.c (BFD_RELOC_HI16_PCREL): Define.
(BFD_RELOC_HI16_S_PCREL, BFD_RELOC_LO16_PCREL): Define.
	* elf32-ppc.c (GLINK_PLTRESOLVE, GLINK_ENTRY_SIZE): Define.
	(CROR_151515, CROR_313131): Delete.
	(ADDIS_11_11, ADDI_11_11, SUB_11_11_30, ADD_0_11_11, ADD_11_0_11,
	LWZ_0_4_30, MTCTR_0, LWZ_12_8_30, BCTR, ADDIS_11_30,
	LWZU_0_X_11): Define.
	(ppc_elf_howto_raw): Add R_PPC_REL16, R_PPC_REL16_LO, R_PPC_REL16_HI
	and R_PPC_REL16_HA entries.
	(ppc_elf_reloc_type_lookup): Convert new bfd reloc types.
	(ppc_elf_addr16_ha_reloc): Also handle R_PPC_REL16_HA.
	(struct ppc_elf_link_hash_table): Add glink, glink_pltresolve,
	new_plt, and old_plt.
	(ppc_elf_create_dynamic_sections): Create .glink section.
	(ppc_elf_check_relocs): Set new_plt and old_plt.
	(ppc_elf_select_plt_layout): New function.
	(ppc_elf_tls_setup): Set plt output section elf type and flags.
	(allocate_got): Handle differences between old and new got layout.
	(allocate_dynrelocs): Likewise for plt.
	(ppc_elf_size_dynamic_sections): Likewise.  Allocate memory for
	.glink.  Don't allocate memory for old bss .plt.  Emit DT_PPC_GLINK.
	(ppc_elf_relax_section): Rename ppc_info to htab.  Handle .glink
	destination of R_PPC_PLTREL24 relocs.
	(ppc_elf_relocate_section): Handle new relocs and changed destination
	of R_PPC_PLTREL24.
	(ppc_elf_finish_dynamic_symbol): Init new style plt and handle
	differences in layout.
	(ppc_elf_finish_dynamic_sections): Set DT_PPC_GLINK value.  Don't
	put a blrl in new got.  Write glink contents.
	* elf32-ppc.h (ppc_elf_select_plt_layout): Declare.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.
2005-05-11 14:09:43 +00:00
Nick Clifton
3e11053365 Update the address and phone number of the FSF organization in the GPL notices 2005-05-04 15:53:43 +00:00
Nick Clifton
53e09e0aaf Update the FSF address in the copyright/GPL notice 2005-05-04 07:19:45 +00:00
Alan Modra
c9a2f3330b bfd/
* elf32-ppc.c (struct elf_linker_section): Remove sym_hash and
	sym_offset.  Add name, bss_name, sym_name, sym_val.
	(struct ppc_elf_link_hash_table): Remove sdata and sdata2 pointers.
	Add sdata array of elf_linker_section_t.
	(ppc_elf_link_hash_table_create): Set name, sym_name, and bss_name.
	(enum elf_linker_section_enum): Delete.
	(ppc_elf_create_linker_section): Rewrite.  Don't create syms here.
	(ppc_elf_check_relocs): Delay ppc_elf_create_linker_section until
	the special sections are needed.  Adjust htab->sdata refs.
	Ensure dynobj is set in sreloc code.
	(ppc_elf_size_dynamic_sections): Strip sdata sections.
	(ppc_elf_set_sdata_syms): New function.
	(elf_finish_pointer_linker_section): Use 0x8000 for sym_offset.
	(ppc_elf_relocate_section): Adjust references to htab->sdata.  Use
	sym_val instead of sym_hash.
	* elf32-ppc.h (ppc_elf_set_sdata_syms): Declare.
ld/
	* emultempl/ppc32elf.em (gld${EMULATION_NAME}_after_allocation): New
	function.
	(LDEMUL_AFTER_ALLOCATION): Define.
2005-03-21 13:23:15 +00:00
Alan Modra
e1918d2387 * bfd-in.h (_bfd_elf_tls_setup): Declare.
* bfd-in2.h: Regenerate.
	* elf-bfd.h (struct elf_link_tls_segment): Delete.
	(struct elf_link_hash_table): Add tls_sec and tls_size.
	* elf.c (_bfd_elf_link_hash_table_init): Init tls_sec and tls_size.
	* elflink.c (_bfd_elf_tls_setup): New function.
	* elflink.h (struct elf_final_link_info): Remove first_tls_sec.
	(elf_bfd_final_link): Don't set first_tls_sec here.  Update code
	saving tls segment info, round segment size up.
	(elf_link_output_extsym): Adjust code using tls segment info.
	(elf_link_input_bfd): Likewise.
	* elf32-i386.c (dtpoff_base, tpoff): Likewise.
	* elf32-s390.c (dtpoff_base, tpoff): Likewise.
	* elf32-sh.c (dtpoff_base, tpoff): Likewise.
	* elf32-sparc.c (dtpoff_base, tpoff): Likewise.
	* elf64-s390.c (dtpoff_base, tpoff): Likewise.
	* elf64-x86-64.c (dtpoff_base, tpoff): Likewise.
	* elfxx-ia64.c (elfNN_ia64_tprel_base): Likewise.
	(elfNN_ia64_dtprel_base): Likewise.
	* elf64-alpha.c (alpha_get_dtprel_base): Likewise.
	(alpha_get_tprel_base): Likewise.
	(struct alpha_relax_info): Remove tls_segment.
	(elf64_alpha_relax_got_load): Adjust invocation of
	alpha_get_dtprel_base and alpha_get_tprel_base.
	(elf64_alpha_relax_tls_get_addr): Likewise.
	(elf64_alpha_relax_section): Likewise.
	(elf64_alpha_relocate_section): Likewise.
	(elf64_alpha_relax_find_tls_segment): Delete.
	* elf32-ppc.c (struct ppc_elf_link_hash_table): Remove tls_sec.
	(ppc_elf_tls_setup): Call _bfd_elf_tls_setup.  Return section.
	(ppc_elf_relocate_section): Adjust to use elf.tls_sec.
	* elf32-ppc.h (ppc_elf_tls_setup): Update.
	* elf64-ppc.c (struct ppc_link_hash_table): Remove tls_sec.
	(ppc64_elf_tls_setup): Call _bfd_elf_tls_setup.  Return section.
	(ppc64_elf_tls_optimize): Adjust to use elf.tls_sec.
	(ppc64_elf_relocate_section): Likewise.
	* elf64-ppc.h (ppc64_elf_tls_setup): Update.

	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Call
	_bfd_elf_tls_setup.
2003-11-04 06:16:39 +00:00
Alan Modra
55fd94b056 * elf32-i386.c: Convert to C90 function definitions, remove unnecessary
prototypes and casts.  Replace PTR with void *.  Formatting.
	* elf32-ppc.c: Likewise.  Break long strings too.
	(ppc_elf_relax_section): Use enum elf_ppc_reloc_type for r_type.
	(ppc_elf_unhandled_reloc): Internationalize error message.
	* elf32-ppc.h: Remove PARAMS.
2003-06-24 14:03:53 +00:00
Alan Modra
7619e7c7de * elf32-ppc.h: New file.
* elf32-ppc.c: Include elf32-ppc.h.
	(NOP, CROR_151515, CROR_313131, TP_OFFSET, DTP_OFFSET): Define.
	(struct ppc_elf_link_hash_entry): Rename "root" to "elf".  Adjust uses.
	Add "tls_mask" field.
	(TLS_GD, TLS_LD, TLS_TPREL, TLS_DTPREL, TLS_TLS, TLS_TPRELGD): Define.
	(struct ppc_elf_link_hash_table): Rename "root" to "elf".  Adjust uses.
	Add got, relgot, plt, relplt, dynbss, relbss, dynsbss, relsbss,
	sdata, sdata2, tls_sec, tls_get_addr, tlsld_got fields.
	Make use of htab shortcuts throughout file.
	(ppc_elf_link_hash_newfunc): Init tls_mask field.
	(ppc_elf_link_hash_table_create): Init new fields.
	(ppc_elf_copy_indirect_symbol): Copy tls_mask.
	(ppc_elf_howto_raw): Add tls relocs.
	(ppc_elf_reloc_type_lookup): Handle them.
	(ppc_elf_unhandled_reloc): New function.
	(ppc_elf_create_got): Stash got section pointer in hash table,
	return status.  Make .rela.got too.
	(ppc_elf_create_dynamic_sections): Stash section pointers in htab.
	(ppc_elf_adjust_dynamic_symbol): Only set up copy relocs when
	NON_GOT_REF set.  Don't allocate space in .plt here..
	(allocate_dynrelocs): ..do so here instead, properly ref-counting and
	not allocating plt entries unnecessarily.  Allocate got entries here.
	(WILL_CALL_FINISH_DYNAMIC_SYMBOL): Define.
	(ppc_elf_size_dynamic_sections): Allocate local got entries.  Pass
	"info" during allocate_dynrelocs hash traversal.  Use htab section
	shortcuts rather than searching for named sections.  Get rid of
	"plt" and "strip" booleans.
	(update_local_sym_info, bad_shared_reloc): New functions.
	(ppc_elf_check_relocs): Handle TLS relocs.  Move .rela.got creation to
	ppc_elf_create_got.  Don't mark got or plt reloc syms dynamic, do so
	in allocate_dynreloc.  Use update_local_sym_info and bad_shared_reloc.
	Disallow R_PPC_EMB_RELSDA, R_PPC_EMB_NADDR32, R_PPC_EMB_NADDR16,
	R_PPC_EMB_NADDR16_LO, R_PPC_EMB_NADDR16_HI and R_PPC_EMB_NADDR16_HA
	in shared libs.  R_PPC_PLTREL32 is a plt reloc too.  Refcount all
	relocs that might use a plt entry.  Set NON_GOT_REF too.
	Enumerate all do-nothing relocs.
	(ppc_elf_gc_sweep_hook): Simplify removal of dynrelocs.  Handle
	tls relocs and all plt relocs.
	(ppc_elf_tls_setup, ppc_elf_tls_optimize): New functions.
	(ppc_elf_finish_dynamic_symbol): Don't build got entries here.
	(ppc_elf_finish_dynamic_sections): Rewrite tag code using htab
	shortcuts.
	(ppc_elf_relocate_section): Tidy.  Handle TLS relocs.  Use
	bfd_elf_local_sym_name.  Simplify unresolved reloc code.  Build got
	entries and got relocs here.  Warn on non-zero got reloc addend.
	Split out branch taken/not taken reloc code into a separate switch
	and correct offset calculation. Allow BRTAKEN/BRNTAKEN dynamic relocs.
	Split out HA reloc adjustments to separate switch statement.  Don't
	warn on reloc overflow if we've already warned about undefined.
	Don't rebuild sym name when reporting errors.  Report all possible
	errors from _bfd_final_link_relocate.
	(bfd_elf32_bfd_final_link): Don't define.
2003-02-18 06:06:17 +00:00