2009-04-30 Nick Clifton <nickc@redhat.com>
* common.h (STT_GNU_IFUNC): Define.
elfcpp
2009-04-30 Nick Clifton <nickc@redhat.com>
* (enum STT): Add STT_GNU_IFUNC.
gas
2009-04-30 Nick Clifton <nickc@redhat.com>
* config/obj-elf.c (obj_elf_type): Add support for a
gnu_indirect_function type.
* config/tc-i386.c (tc_i386_fix_adjustable): Do not adjust fixups
against indirect function symbols.
* doc/as.texinfo (.type): Document the support for the
gnu_indirect_function symbol type.
* NEWS: Mention the new feature.
gas/testsuite
2009-04-30 Nick Clifton <nickc@redhat.com>
* gas/elf/elf.exp: Extend type test to include an ifunc symbol.
Provide an alternative test for targets which do not support ifunc
symbols.
(type.s): Add entry for an ifunc symbol.
(type.e): Add ifunc entry to expected symbol dump.
(section2.e-armelf): Add entry for ifunc symbol.
(type-noifunc.s): New file.
(type-noifunc.e): New file.
bfd/
2009-04-30 Nick Clifton <nickc@redhat.com>
* elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs
section pointer.
(struct elf_obj_data): Add has_ifunc_symbols boolean.
* elf.c (swap_out_syms): Convert BSF_GNU_INDIRECT_FUNCTION flags
into a STT_GNU_IFUNC symbol type.
(_bfd_elf_is_function_type): Accept STT_GNU_IFUNC as a function
type.
(_bfd_elf_set_osabi): Set the osasbi field to ELFOSABI_LINUX if
the binary contains ifunc symbols.
* elfcode.h (elf_slurp_symbol_table): Translate the STT_GNU_IFUNC
symbol type into a BSF_GNU_INDIRECT_FUNCTION flag.
* elf32-i386.c (is_indirect_function): New function.
(elf_i386_check_relocs): Create an ifunc output section.
(allocate_dynrelocs): Create dynamic relocs in the ifunc output
section if necessary.
(elf_i386_relocate_section): Emit a reloc against an ifunc symbol
if necessary.
(elf_i386_add_symbol_hook): New function. Set the
has_ifunc_symbols field of the elf_obj_data structure if an ifunc
symbol is encountered.
(elf_backend_post_process_headers): Define.
(elf_backend_add_symbol_hook): Define.
(elf_i386_post_process_headers): Rename to
elf_i388_fbsd_post_process_headers.
* elf64-x86_64.c (IS_X86_64_PCREL_TYPE): New macro.
(is_indirect_function): New function.
(elf64_x86_64_check_relocs): Create an ifunc output section.
(allocate_dynrelocs): Create dynamic relocs in the ifunc output
section if necessary.
(elf64_x86_64_relocate_section): Emit a reloc against an ifunc
symbol if necessary.
(elf_i386_add_symbol_hook): Set the has_ifunc_symbols field of the
elf_obj_data structure if an ifunc symbol is encountered.
(elf_backend_post_process_headers): Define.
* elflink.c (_bfd_elf_adjust_dynamic_symbol): Always create a PLT
if we have ifunc symbols to handle.
(get_ifunc_reloc_section_name): New function. Computes the name
for an ifunc section.
(_bfd_elf_make_ifunc_reloc_section): New function. Creates a
section to hold ifunc relocs.
* syms.c (BSF_GNU_INDIRECT_FUNCTION): Define.
(bfd_print_symbol_vandf): Handle ifunc symbols.
(bfd_decode_symclass): Likewise.
* bfd-in2.h: Regenerate.
binutils
2009-04-30 Nick Clifton <nickc@redhat.com>
* readelf.c (dump_relocations): Display a relocation against an
ifunc symbol as if it were a function invocation.
(get_symbol_type): Handle STT_GNU_IFUNC.
ld
2009-04-30 Nick Clifton <nickc@redhat.com>
* NEWS: Mention support for IFUNC symbols.
ld/testsuite
2009-04-30 Nick Clifton <nickc@redhat.com>
* ld-ifunc: New directory.
* ld-ifunc/ifunc.exp: New file: Run the IFUNC tests.
* ld-ifunc/prog.c: New file.
* ld-ifunc/lib.c: New file.
2009-04-20 Jan Beulich <jbeulich@novell.com>
* expr.c (operand): Call md_need_index_operator() and
md_operator() if defined. Add unary label.
(operator): Call md_operator() if defined.
(expr): Adjust assertions on range and rank of op_left and
op_right. Don't abort on unhandled operators when reducing
expressions with both operands being constant.
(expr_set_rank): New.
* expr.h (expr_set_rank): Declare.
2009-04-16 Jan Beulich <jbeulich@novell.com>
* expr.c: Include limits.h if available, and #define CHAR_BITS
otherwise.
(expr): Check range of shift count when evaluating a constant
expression.
2009-04-15 Jan Beulich <jbeulich@novell.com>
* config/tc-i386.c (process_operands): Print operands in
correct order depending on intel_syntax.
gas/testsuite/
2009-04-15 Jan Beulich <jbeulich@novell.com>
* gas/i386/intel.e: Adjust expectations.
* config/tc-vax.c (synthetic_votstrs): add "jbbcci" and "jbbssi"
(md_assemble): emit symbol name when used as immediate in PIC mode.
(md_assemble): fix LP64 bug (use sizeof (valueT) instead 4).
PR gas/9966
* listing.c (listing_newline): Properly handle `\\"' and ';'.
* read.c (is_end_of_line): Update comments for line separator.
(read_begin): Set line separator in is_end_of_line to 2.
gas/
* config/tc-arm.c (md_apply_fix): Check BFD_RELOC_ARM_IMMEDIATE and
BFD_RELOC_ARM_ADRL_IMMEDIATE value is in the correct section.
Check BFD_RELOC_ARM_ADRL_IMMEDIATE has a defined symbol.
gas/testsuites/
* gas/arm/adr-invalid.d: New file.
* gas/arm/adr-invalid.l: New file.
* gas/arm/adr-invalid.s: New file.
* internal.h (C_AIX_WEAKEXT): New macro.
(C_WEAKEXT): Use the GNU definition in the generic part of the file,
and conditionally reset it to C_AIX_WEAKEXT in the XCOFF part of
the file.
(CSECT_SYM_P): New macro.
* xcoff.h (L_WEAK): Define.
(EXTERN_SYM_P): New macro.
bfd/
* coffcode.h (coff_pointerize_aux_hook): Update CSECT_SYM_P to
check whether a symbol has csect information.
(coff_print_aux): Likewise.
* coff-rs6000.c (_bfd_xcoff_swap_aux_in): Handle auxillary csect
information for C_AIX_WEAKEXT too.
(_bfd_xcoff_swap_aux_out): Likewise.
(xcoff_reloc_type_br): Handle defweak symbols too.
* coff64-rs6000.c (_bfd_xcoff64_swap_aux_in): Handle auxillary csect
information for C_AIX_WEAKEXT too.
(_bfd_xcoff64_swap_aux_out): Likewise.
(xcoff64_reloc_type_br): Handle defweak symbols too.
* coffgen.c (coff_print_symbol): Handle auxillary function
information for C_AIX_WEAKEXT too.
* xcofflink.c (_bfd_xcoff_canonicalize_dynamic_symtab): Set BSF_WEAK
instead of BSF_GLOBAL if the L_WEAK flag is set.
(xcoff_dynamic_definition_p): New function.
(xcoff_link_add_dynamic_symbols): Use it to decide whether ldsym
defines h. Don't change h if ldsym isn't the definition. Otherwise,
always take the symbol class from the ldsym. Use weak bfd symbol
types for weak ldsyms.
(xcoff_link_add_symbols): Use CSECT_SYM_P and EXTERN_SYM_P.
Fix the check for whether a definition is from a shared object.
Allow redefinitions of weak symbols.
(xcoff_link_check_ar_symbols): Use EXTERN_SYM_P.
(xcoff_keep_symbol_p): Likewise.
(bfd_xcoff_size_dynamic_sections): Use CSECT_SYM_P.
(xcoff_link_input_bfd): Use CSECT_SYM_P and EXTERN_SYM_P.
Add .loader entries for C_AIX_WEAKEXT as well as C_EXT symbols,
but mark them as L_WEAK.
(xcoff_write_global_symbol): Treat weak symbols as C_AIX_WEAKEXT
instead of C_EXT if C_AIX_WEAKEXT == C_WEAKEXT.
gas/
* config/tc-ppc.c (ppc_frob_symbol): Add csect information for
C_AIX_WEAKEXT too.
ld/testsuite/
* ld-powerpc/aix-glink-2a.s, ld-powerpc/aix-glink-2a.ex,
ld-powerpc/aix-glink-2b.s, ld-powerpc/aix-glink-2c.s,
ld-powerpc/aix-glink-2c.ex, ld-powerpc/aix-glink-2d.s,
ld-powerpc/aix-glink-2-32.dd, ld-powerpc/aix-glink-2-64.dd,
ld-powerpc/aix-weak-1a.s, ld-powerpc/aix-weak-1b.s,
ld-powerpc/aix-weak-1-rel.hd, ld-powerpc/aix-weak-1-rel.nd,
ld-powerpc/aix-weak-1-dso.hd, ld-powerpc/aix-weak-1-dso.nd,
ld-powerpc/aix-weak-1-dso.dnd, ld-powerpc/aix-weak-1.ex,
ld-powerpc/aix-weak-2a.s, ld-powerpc/aix-weak-2a.ex,
ld-powerpc/aix-weak-2a.nd, ld-powerpc/aix-weak-2b.s,
ld-powerpc/aix-weak-2b.nd, ld-powerpc/aix-weak-2c.s,
ld-powerpc/aix-weak-2c.ex, ld-powerpc/aix-weak-2c.nd,
ld-powerpc/aix-weak-2c.od, ld-powerpc/aix-weak-3a.s,
ld-powerpc/aix-weak-3a.ex, ld-powerpc/aix-weak-3b.s,
ld-powerpc/aix-weak-3b.ex, ld-powerpc/aix-weak-3-32.d,
ld-powerpc/aix-weak-3-32.dd, ld-powerpc/aix-weak-3-64.d,
ld-powerpc/aix-weak-3-64.dd: New tests.
* ld-powerpc/aix52.exp: Run them. Replace tmp/aix-* with
tmp/aix64-* in 64-bit ld options.
Rename, changing all callers, to...
(md_create_short_jump): Adjust head comment. Assert
word-sized-branch distance for v32. Bail out calling as_fatal for
compatibility mode here.
(md_create_long_jump): ...not here.
* config/tc-cris.h (md_create_short_jump): Do not define.
the jump table for multiple overflowing entries with the same
target, handle base symbols being different.
(relax_segment) <case rs_broken_word, second loop>: Whenever a
single entry overflows, arrange to redirect all entries with the
same target.
* ppc.h (R_PPC_TLSGD, R_PPC_TLSLD): Add new relocs.
* ppc64.h (R_PPC64_TLSGD, R_PPC64_TLSLD): Add new relocs.
bfd/
* reloc.c (BFD_RELOC_PPC_TLSGD, BFD_RELOC_PPC_TLSLD): New.
* section.c (struct bfd_section): Add has_tls_get_addr_call.
(BFD_FAKE_SECTION): Init new flag.
* ecoff.c (bfd_debug_section): Likewise.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* elf32-ppc.c (ppc_elf_howto_raw): Add R_PPC_TLSGD and R_PPC_TLSLD.
(ppc_elf_reloc_type_lookup): Handle new relocs.
(ppc_elf_check_relocs): Set has_tls_get_addr_call on finding such
without marker relocs.
(ppc_elf_tls_optimize): Allow out-of-order __tls_get_addr relocs
if section has no old-style calls.
(ppc_elf_relocate_section): Set tls_mask for non-tls relocs too.
Don't try to optimize new-style __tls_get_addr call when handling
arg setup relocs. Instead do so for R_PPC_TLSGD and R_PPC_TLSLD
relocs.
* elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_TLSGD, R_PPC64_TLSLD.
(ppc64_elf_reloc_type_lookup): Handle new relocs.
(ppc64_elf_check_relocs): Set has_tls_get_addr_call on finding such
without marker relocs.
(ppc64_elf_tls_optimize): Allow out-of-order __tls_get_addr relocs
if section has no old-style calls. Set toc_ref for new relocs as
appropriate.
(ppc64_elf_relocate_section): Set tls_mask for non-tls relocs too.
Don't try to optimize new-style __tls_get_addr call when handling
arg setup relocs. Instead do so for R_PPC_TLSGD and R_PPC_TLSLD
relocs.
gas/
* config/tc-ppc.c (ppc_elf_suffix): Error if ppc32 tls got relocs
have non-zero addend.
(md_assemble): Parse args of __tls_get_addr calls.
(md_apply_fix): Handle BFD_RELOC_PPC_TLSGD and BFD_RELOC_PPC_TLSLD.
ld/testsuite/
* ld-powerpc/tlsmark.s, * ld-powerpc/tlsmark.d: New test.
* ld-powerpc/tlsmark32.s, * ld-powerpc/tlsmark32.d: New test.
* ld-powerpc/powerpc.exp: Run them.
Eric Botcazou <ebotcazou@adacore.com>
Douglas B Rupp <rupp@gnat.com>
* doc/as.texinfo (Overview): Mention -replace/-noreplace options
for Alpha.
* doc/c-alpha.texi (Alpha Options): Document -replace/-noreplace.
* config/tc-alpha.h (TC_VALIDATE_FIX_SUB): Define to 1 (evax).
(OBJ_SYMFIELD_TYPE): Remove.
(tc_canonicalize_symbol_name): Define to evax_shorten_name.
(TC_IMPLICIT_LCOMM_ALIGNMENT): For alignment to 3 on evax.
(tc_frob_file_before_fix): Do not defined on evax.
* config/tc-alpha.c: Always includes dwarf2dbg.h.
Include vms.h if OBJ_EVAX.
(struct alpha_fixup): Add xtrasym and procsym (evax only).
(enum alpha_macro_arg): Remove trailing comma.
(md_longopts): Add replace and noreplace arguments (evax only).
(alpha_evax_proc_hash): New variable.
(alpha_link_section): Make it global.
(alpha_ctors_section, alpha_dtors_section): Removed.
(alpha_ctors_symbol, alpha_dtors_symbol): Ditto.
(alpha_lit8_section): Ifndef'ed on evax.
(alpha_lit8_symbol): Ditto.
(alpha_prologue_label): New variable.
(alpha_linkage_symbol): New variable (evax only).
(alpha_flag_replace): Ditto.
(struct alpha_evax_procs): Add handler and handler_data field.
(alpha_evax_proc): Now of type pointer.
(alpha_linkage_fixup_root, alpha_linkage_fixup_tail): New variables.
(struct alpha_reloc_tag): Add sym and psym fields (evax only).
(get_alpha_reloc_tag): Initialize sym and psym fields (evax only).
(alpha_adjust_relocs): Ifndef'ed on evax.
(load_expression): Add opname argument.
Implement LDA/BSR optimization for evax.
(emit_lda): Adjust for new prototype of load_expression.
(emit_ir_load): Ditto. Do not nothing for GP if ..lk symbols.
(emit_loadstore): Likewise.
(emit_ldXu): Likewise.
(emit_stX): Likewise.
(emit_jsrjmp): Likewise. Implement LDA/BSR optimization for evax.
(emit_ldgp): Avoid warning in evax case.
(add_to_link_pool): Make it static. Return symbolic expression rather
than number expression for the offset.
(s_alpha_text): Create .text symbol for evax if not already created.
(s_alpha_comm): Do not create specific section for common symbol.
Fill common area with zeros for evax.
(s_alpha_prologue): Create alpha_prologue_label.
(s_alpha_section_name): New function (evax).
(s_alpha_section_word): Likewise.
(section_name): New static variabke moved out from ...
(s_alpha_section): ... here. Create new sections on demand.
(s_alpha_literals): New function (evax).
(s_alpha_ent): Create alpha_evax_proc instance and insert it in the
alpha_evax_proc_hash table.
(s_alpha_handler): New function (evax).
(s_alpha_frame): Adjust for new type of alpha_evax_proc.
(s_alpha_prologue): New function (evax).
(s_alpha_pdesc): Adjust for new type of alpha_evax_proc and new
handling of procedures with hash table.
Add support for condition handlers.
(s_alpha_linkage): Create linkage_fixup instance and chain it.
(s_alpha_fp_save): Adjust for new type of alpha_evax_proc.
(s_alpha_mask): Likewise.
(s_alpha_fmask): Likewise.
(s_alpha_end): Clear alpha_evax_proc.
(s_alpha_align): Increase max_alignment to 16.
(alpha_print_token): Call print_expr_1 instead of print_expr.
(md_pseudo_table): Add "section", "literals", "handler" and
"handler_data" (evax). Do not ignore "prologue" on evax.
Fix indentation.
(md_begin): Create hash table for alpha_evax_proc_hash.
(md_parse_option): Handle OPTION_REPLACE and OPTION_NOREPLACE.
(md_show_usage): Mention -replace/-noreplace for evax.
(md_apply_fix): Handle evax relocs (_NOP, _LDA, _BSR and _BOH).
(alpha_force_relocation): Likewise.
(alpha_fix_adjustable): Likewise. Add BFD_RELOC_16 case.
(tc_gen_reloc): Likewise. Add BFD_RELOC_ALPHA_LINKAGE for evax.
(emit_insn): New cases for evax specific relocs.
(assemble_insn): Fix indentation.
Take care of -MDISP in operand table.
* config/obj-evax.h (struct alpha_linkage_fixups): New struct.
(OBJ_SYMFIELD_TYPE): New macro.
(obj_symbol_new_hook): Define.
(obj_frob_symbol, obj_frob_file_before_adjust): Ditto.
(obj_frob_file_before_fix): Ditto.
(PDSC_S_M_HANDLER_VALID): New macro.
(PDSC_S_M_HANDLER_DATA_VALID): Ditto.
(TC_IMPLICIT_LCOMM_ALIGNMENT): Remove.
Add prototypes for functions declared in obj-evax.c
* config/obj-evax.c: Include subsegs.h, struc-symbol.h, safe-ctype.h.
(s_evax_weak): Convert to ansi-C.
(evax_symbol_new_hook): New function.
(evax_frob_symbol): Ditto.
(evax_frob_file_before_adjust): Ditto.
(evax_frob_file_before_fix): Ditto.
(evax_shorten_name): Ditto.
(crc32): Ditto.
(encode_32): Ditto.
(encode_16): Ditto.
(decode_16): Ditto.
(shorten_identifier): Ditto.
(is_truncated_identifier): Ditto.
* dwarf2dbg.c (out_debug_info): Do not append trailing slash on VMS.
* as.c (close_output_file): Remove #ifndef OBJ_VMS.
(main): Ditto.
