2009-07-21 H.J. Lu <hongjiu.lu@intel.com>
PR gas/10420
* config/tc-i386.c (i386_align_code): Tune for 32bit nops in
64bit.
(i386_target_format): Set cpu_arch_isa_flags.bitfield.cpulm
for 64bit.
gas/testsuite/
2009-07-21 H.J. Lu <hongjiu.lu@intel.com>
PR gas/10420
* gas/i386/i386.exp: Run x86-64-nops-1-pentium.
* gas/i386/x86-64-nops-1-pentium.d: New.
* config/tc-i386.c (md_assemble): Update operand types.
(update_imm): Updated.
(finalize_imm): Update the first 2 immediate operands only
for instructions with 2 operands or more.
(MAX_MEM_FOR_RS_ALIGN_CODE): Define in terms of
MAX_MEM_ALIGNMENT_BYTES.
* config/tc-arm.c (arm_frag_align_code): Replace hard coded
constant with MAX_MEM_FOR_RS_ALIGN_CODE.
* gas/arm/align64.s: New test case.
* gas/arm/align64.d: Expected disassembly.
* config/tc-arm.c (md_assemble): Added validation.
gas/testsuite
* gas/arm/thumb-w-bad.d: New test case.
* gas/arm/thumb-w-bad.l: New file.
* gas/arm/thumb-w-bad.s: New file.
* gas/arm/thumb-w-good.d: New test case.
* gas/arm/thumb-w-good.s: New file.
(set_it_insn_type_nonvoid): New macro.
(emit_thumb32_expr): New function.
(thumb_insn_size): New function.
(emit_insn): New function.
(s_arm_elf_inst): New function.
(md_pseudo_table): New pseudo-opcode entries added.
* doc/c-arm.texi: New directive added.
* gas/arm/inst-po.d: New testcase.
* gas/arm/inst-po.s: New file.
* gas/arm/inst-po-2.d: New testcase.
* gas/arm/inst-po-2.s: New file.
* gas/arm/inst-po-2.l: New file.
* gas/arm/inst-po-3.d: New testcase.
* gas/arm/inst-po-3.s: New file.
* gas/arm/inst-po-be.d: New testcase.
32 bits for relaxable branches so that we can relax them later.
(md_estimate_size_before_relax): Assume IVC2 branches will be relaxed.
(mep_relax_frag): New.
(md_convert_frag): Relax IVC2 branches in-place.
* config/tc-mep.h ((mep_relax_frag): New.
(implicit_it_mode): New global.
(it_instruction_type): New enum.
(arm_parse_it_mode): New function.
(arm_long_opts): New option added.
(arm_it): New field.
(it_state): New enum.
(now_it): New macro.
(check_it_blocks_finished): New function.
(insns[]): Use the IT Thumb opcodes for ARM too.
(arm_cleanup): Call check_it_blocks_finished.
(now_it_compatible): New function.
(conditional_insn): New function.
(set_it_insn_type): New macro.
(set_it_insn_type_last): New macro.
(do_it): Call automatic IT machinery functions.
(do_t_add_sub): Likewise
(do_t_arit3): Likewise.
(do_t_arit3c): Likewise.
(do_t_blx): Likewise.
(do_t_branch): Likewise.
(do_t_bkpt): Likewise.
(do_t_branch23): Likewise.
(do_t_bx): Likewise.
(do_t_bxj): Likewise.
(do_t_cps): Likewise.
(do_t_cpsi): Likewise.
(do_t_cbz): Likewise.
(do_t_it): Likewise.
(encode_thumb2_ldmstm): Likewise.
(do_t_ldst): Likewise.
(do_t_mov_cmp): Likewise.
(do_t_mvn_tst): Likewise.
(do_t_mul): Likewise.
(do_t_neg): Likewise.
(do_t_setend): Likewise.
(do_t_shift): Likewise.
(do_t_tb): Likewise.
(output_it_inst): New function.
(new_automatic_it_block): New function.
(close_automatic_it_block): New function.
(now_it_add_mask): New function.
(it_fsm_pre_encode): New function.
(handle_it_state): New function.
(it_fsm_post_encode): New function.
(force_automatic_it_block_close): New function.
(in_it_block): New function.
(md_assemble): Call automatic IT block machinery functions.
(arm_frob_label): Likewise.
(arm_opts): New element.
* config/tc-arm.h (it_state): New enum.
(current_it): New struct.
(arm_segment_info_type): New member added.
* doc/c-arm.texi: New option -mimplicit-it documented.
* gas/arm/arm-it-auto.d: New test.
* gas/arm/arm-it-auto.s: New file.
* gas/arm/arm-it-auto-2.d: New test case.
* gas/arm/arm-it-auto-2.s: New file.
* gas/arm/arm-it-auto-3.d: New test case.
* gas/arm/arm-it-auto-3.s: New file.
* gas/arm/arm-it-bad.d: New test case.
* gas/arm/arm-it-bad.l: New file.
* gas/arm/arm-it-bad.s: New file.
* gas/arm/arm-it-bad-2.d: New test case.
* gas/arm/arm-it-bad-2.l: New file.
* gas/arm/arm-it-bad-2.s: New file.
* gas/arm/arm-it-bad-3.d: New test case.
* gas/arm/arm-it-bad-3.l: New file.
* gas/arm/arm-it-bad-3.s: New file.
* gas/arm/thumb2_it_auto.d: New test.
* gas/arm/thumb2_it_bad.l: Error message updated.
* gas/arm/thumb2_it_bad_auto.d: New test.
* gas/arm/thumb2_it.d: Comment added.
* gas/arm/thumb2_it_bad.d: Comment added.
* gas/tc-arm.c (do_t_ssat): Move common code from here...
(do_t_usat): ... and here to...
(do_t_ssat_usat): New function: ... here. Add code to check that
the shift value, if present, is in range.
* gas/arm/thumb2_bad_reg.s: Add tests for SSAT and USAT with an
out of range shift.
* gas/arm/thumb2_bad_reg.l: Update expected error messages.
* elf32-vax.c (elf_vax_check_relocs): Handle the visibility
attribute.
(elf_vax_relocate_section): Likewise.
gas/
* config/tc-vax.c (md_estimate_size_before_relax): Accept
indirect symbol references in the PIC mode and emit a
PC-relative relocation instead of a GOT/PLT one. Likewise
for symbols known to be hidden at this point.
* arm-dis.c (thumb32_opcodes): Fix binary value of SEV.W
instruction.
* gas/arm/thumb32.d: Fix expected binary value of SEV.W instruction.
* config/tc-arm.c (T16_32_TAB): Fix binary value of SEV.W
instruction.
* config/tc-i386.c (md_estimate_size_before_relax): Don't relax
branches to weak symbols.
(md_apply_fix): Don't convert fixes against weak symbols to
section-relative offsets, but save addend for later reloc emission.
(tc_gen_reloc): When emitting reloc against weak symbol, adjust
addend to pre-compensate for bfd_install_relocation.
* config/tc-mips.c (nops_for_vr4130): Don't check noreorder_p.
(nops_for_insn): Likewise.
gas/testsuite/
* gas/mips/vr4130.s, gas/mips/vr4130.d: Expect part A to have nops.
H.J. Lu <hongjiu.lu@intel.com>
* config/obj-coff.h: Include "coff/x86_64.h" for x86 pe-coff.
(TARGET_FORMAT): Removed for x86 pe-coff.
(COFF_TARGET_FORMAT): Likewise.
* config/tc-i386.c (md_longopts): Allow --64 for x86 pe-coff.
(md_parse_option): Likewise.
(md_show_usage): Show option --32/--64 for x86 pe-coff.
(i386_target_format): Use also for x86 pe-coff.
* config/tc-i386.h (TARGET_FORMAT): Defined as i386_target_format
for x86 pe-coff.
2009-05-19 Dave Korn <dave.korn.cygwin@gmail.com>
* cofflink.c (process_embedded_commands): Ignore "-aligncomm".
==> gas/ChangeLog <==
2009-05-19 Dave Korn <dave.korn.cygwin@gmail.com>
* NEWS: Mention new feature.
* config/obj-coff.c (obj_coff_common_parse): New function.
(obj_coff_comm): Likewise.
(coff_pseudo_table): Override default ".comm" definition on PE.
* doc/as.texinfo: Document new feature.
==> gas/testsuite/ChangeLog <==
2009-05-19 Dave Korn <dave.korn.cygwin@gmail.com>
* gas/pe/: New directory for PE format-specific tests.
* gas/pe/aligncomm-a.d: New test pattern file.
* gas/pe/aligncomm-a.s: New test source file.
* gas/pe/aligncomm-b.d: New test pattern file.
* gas/pe/aligncomm-b.s: New test source file.
* gas/pe/aligncomm-c.d: New test pattern file.
* gas/pe/aligncomm-c.s: New test source file.
* gas/pe/aligncomm-d.d: New test pattern file.
* gas/pe/aligncomm-d.s: New test source file.
* gas/pe/pe.exp: New test control script.
* lib/gas-defs.exp (is_pecoff_format): New function.
==> ld/ChangeLog <==
2009-05-19 Dave Korn <dave.korn.cygwin@gmail.com>
* NEWS: Mention new feature.
* deffile.h (def_file_aligncomm): Add new struct definition.
(def_file): Add new def_file_aligncomm member.
* deffilep.y (%token): Add new ALIGNCOMM token.
(command): Add production rule for ALIGNCOMM.
(def_file_free): Free any chained def_file_aligncomm structs.
(diropts[]): Add entry for '-aligncomm' .drectve command.
(def_aligncomm): New grammar function.
* ld.texinfo: Document new feature.
* pe-dll.c (process_def_file): Rename from this ...
(process_def_file_and_drectve): ... to this, updating all callers,
and process any aligncomms chained to the def file after scanning
all .drectve sections.
(generate_edata): Updated to match.
(pe_dll_build_sections): Likewise.
==> ld/testsuite/ChangeLog <==
2009-05-19 Dave Korn <dave.korn.cygwin@gmail.com>
* ld-pe/aligncomm-1.c: New test source file.
* ld-pe/aligncomm-2.c: Likewise.
* ld-pe/aligncomm-3.c: Likewise.
* ld-pe/aligncomm-4.c: Likewise.
* ld-pe/aligncomm.d: New test pattern file.
* ld-pe/direct.exp: Deleted, and content moved into ...
* ld-pe/pe-run.exp: ... New common file for all PE run tests.
* ld-pe/vers-script.exp: Deleted, and content merged into ...
* ld-pe/pe-compile.exp: ... New common file for PE tests needing
a compiler, adding aligned common tests.
* ld-pe/pe.exp: Update header comment.
* config/obj-coff.c (obj_coff_section): Add 'y' as
specifier for SEC_COFF_NOREAD section flag.
* doc/as.texinfo: Add documentation about .section flag 'y'.
* config/tc-armeabi.h (FPU_DEFAULT): Likewise.
* config/tc-arm.c (md_begin): If FPU_DEFAULT is set, don't infer
the default FPU from the processor.
testsuite/
* gas/arm/attr-mcpu.d: Add -mfpu=neon.
* gas/arm/mapmisc.d: Correct expected output for .double and
.dcb.d.
* config/tc-arm.c (do_t_blx): Always use BFD_RELOC_THUMB_PCREL_BLX.
(md_pcrel_from_section): Align address for BLX.
(tc_gen_reloc): Change BFD_RELOC_THUMB_PCREL_BLX relocations to
BFD_RELOC_THUMB_PCREL_BRANCH23 for EABI v4+.
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.
2009-04-15 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.
