gas/
* config/tc-arm.c (encode_thumb2_ldmstm): New function.
(do_t_ldmstm): Generate 16-bit push/pop. Use encode_thumb2_ldmstm.
(do_t_push_pop): Use encode_thumb2_ldmstm.
gas/testsuite/
* gas/arm/thumb2_ldmstm.d: New test.
* gas/arm/thumb2_ldmstm.s: New test.
(parse_qfloat_immediate): Disallow integer syntax for floating-point
immediates. Fix hex immediates, handle 0.0 and -0.0 specially.
(parse_neon_mov): Set immisfloat bit for operand if it parsed as a
float.
(neon_cmode_for_move_imm): Reject non-float immediates for float
operands.
(neon_move_immediate): Pass immisfloat bit to neon_cmode_for_move_imm.
gas/
* config/tc-arm.c (do_t_add_sub): Use Rd and Rs.
gas/testsuite/
* gas/arm/thumb2_add.d: Add test for missing operand.
* gas/arm/thumb2_add.s: Ditto.
(do_neon_qshl_imm): Likewise.
(do_neon_rshl): New function. Handle rounding variants of
v{q}shl-by-register.
(insns): Use do_neon_rshl for vrshl, vqrshl.
gas/
* config/tc-arm.c (arm_force_relocation): Return 1 for relocs against
function symbols.
gas/testsuite/
* gas/arm/thumbrel.s: New test.
* gas/arm/thumbrel.d: New test.
gas/
* config/tc-arm.c (arm_is_eabi): New function.
* config/tc-arm.h (arm_is_eabi): New prototype.
(THUMB_IS_FUNC): Use ELF function type for EABI objects.
* doc/c-arm.texi (.thumb_func): Update documentation.
* arm-dis.c (last_is_thumb): Delete.
(enum map_type, last_type): New.
(print_insn_data): New.
(get_sym_code_type): Take MAP_TYPE argument. Check the type of
the right symbol. Handle $d.
(print_insn): Check for mapping symbols even without a normal
symbol. Adjust searching. If $d is found see how much data
to print. Handle data.
gas/
* config/tc-arm.h (md_cons_align): Define.
(mapping_state): New prototype.
* config/tc-arm.c (mapping_state): Make global.
gas/testsuite/
* gas/arm/arm7t.d, gas/arm/neon-ldst-rm.d, gas/arm/thumb2_pool.d,
gas/arm/tls.d: Update for $d support.
* gas/arm/mapshort.d, gas/arm/mapshort.s: New test.
* gas/elf/section2.e-armeabi: Update.
* gas/elf/section2.e-armelf: New file.
* gas/elf/elf.exp: Use it.
ld/testsuite/
* ld-arm/mixed-app.d, ld-arm/tls-app.d, ld-arm/tls-lib.d: Update
for $d support.
(arm_fix_adjustable) [OBJ_ELF]: Use it on coff targets too.
* gas/arm/local_label_coff.s: New test.
* gas/arm/local_label_coff.d: New test.
* gas/arm/local_label_elf.s: New test.
* gas/arm/local_label_elf.d: New test.
* gas/arm/local_label_wince.s: New test.
* gas/arm/local_label_wince.d: New test.
2006-09-26 Mark Shinwell <shinwell@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
Ian Lance Taylor <ian@wasabisystems.com>
Ben Elliston <bje@wasabisystems.com>
* archures.c: Add definition for bfd_mach_arm_iWMMXt2.
* cpu-arm.c (processors): Add bfd_mach_arm_iWMMXt2.
(arch_info_struct, bfd_arm_update_notes): Likewise.
(architectures): Likewise.
(bfd_arm_merge_machines): Check for iWMMXt2.
* bfd-in2.h: Rebuild.
gas/
2006-09-26 Mark Shinwell <shinwell@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
Ian Lance Taylor <ian@wasabisystems.com>
Ben Elliston <bje@wasabisystems.com>
* config/tc-arm.c (arm_cext_iwmmxt2): New.
(enum operand_parse_code): New code OP_RIWR_I32z.
(parse_operands): Handle OP_RIWR_I32z.
(do_iwmmxt_wmerge): New function.
(do_iwmmxt_wldstd): Handle iwmmxt2 case where second operand is
a register.
(do_iwmmxt_wrwrwr_or_imm5): New function.
(insns): Mark instructions as RIWR_I32z as appropriate.
Also add torvsc<b,h,w>, wabs<b,h,w>, wabsdiff<b,h,w>,
waddbhus<l,m>, waddhc, waddwc, waddsubhx, wavg4{r}, wmaddu{x,n},
wmadds{x,n}, wmerge, wmiaxy{n}, wmiawxy{n}, wmul<sm,um>{r},
wmulw<um,sm,l>{r}, wqmiaxy{n}, wqmulm{r}, wqmulwm{r}, wsubaddhx.
(md_begin): Handle IWMMXT2.
(arm_cpus): Add iwmmxt2.
(arm_extensions): Likewise.
(arm_archs): Likewise.
gas/testsuite/
2006-09-26 Mark Shinwell <shinwell@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
Ian Lance Taylor <ian@wasabisystems.com>
Ben Elliston <bje@wasabisystems.com>
* gas/arm/iwmmxt2.s: New file.
* gas/arm/iwmmxt2.d: New file.
include/opcode/
2006-09-26 Mark Shinwell <shinwell@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
Ian Lance Taylor <ian@wasabisystems.com>
Ben Elliston <bje@wasabisystems.com>
* arm.h (ARM_CEXT_IWMMXT2, ARM_ARCH_IWMMXT2): Define.
opcodes/
2006-09-26 Mark Shinwell <shinwell@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
Ian Lance Taylor <ian@wasabisystems.com>
Ben Elliston <bje@wasabisystems.com>
* arm-dis.c (coprocessor_opcodes): The X-qualifier to WMADD may
only be used with the default multiply-add operation, so if N is
set, don't bother printing X. Add new iwmmxt instructions.
(IWMMXT_INSN_COUNT): Update.
(iwmmxt_wwssnames): Qualify "wwss" names at index 2, 6, 10 and 14
with a 'c' suffix.
(print_insn_coprocessor): Check for iWMMXt2. Handle format
specifiers 'r', 'i'.
gas/
* config/tc-arm.c (do_neon_dyadic_if_i): Remove.
(do_neon_dyadic_if_i_d): Avoid setting U bit.
(do_neon_mac_maybe_scalar): Ditto.
(do_neon_dyadic_narrow): Force operand type to NT_integer.
(insns): Remove out of date comments.
gas/testsuite/
* gas/arm/neon-cov.s: Test .u and .s aliases for .i suffixes.
* gas/arm/neon-cov.d: Adjust expected output.
opcodes/
* arm-dis.c (neon_opcode): Fix suffix on VMOVN.
* config/tc-arm.c (s_arm_unwind_save_mmxwr): Correct condition for
merging with previous long opcode.
gas/testsuite:
* gas/arm/unwind.s: Test not merging iWMMXt register save with
previous long opcode.
* gas/arm/unwind.d, gas/arm/unwind_vxworks.d: Update.
to use ARM instructions on non-ARM-supporting cores.
(autoselect_thumb_from_cpu_variant): New function. Switch on Thumb
mode automatically based on cpu variant.
(md_begin): Call above function.
* coff-arm.c (coff_arm_rtype_to_howto) [COFF_WITH_PE]: Handle ARM_SECREL.
(coff_arm_reloc_type_lookup): Map BFD_RELOC_32_SECREL to ARM_SECREL.
* pe-arm.c [COFF_SECTION_ALIGNMENT_ENTRIES]: Define.
* pei-arm.c [TARGET_UNDERSCORE]: Define for ARM_WINCE like in pe-arm.c.
[COFF_SECTION_ALIGNMENT_ENTRIES]: Define.
* config/tc-arm.c: Move "dwarf2dbg.h" inclusion out of OBJ_ELF only block.
(pe_directive_secrel) [TE_PE]: New function.
(md_pseudo_table) [!OBJ_ELF]: Handle 2byte, 4byte, 8byte, file, loc, loc_mark_labels.
[TE_PE]: Handle secrel32.
(output_relax_insn): Remove OBJ_ELF around dwarf2_emit_insn call.
(output_inst): Remove OBJ_ELF around dwarf2_emit_insn call.
(arm_frob_label): Remove OBJ_ELF around dwarf2_emit_label call.
(md_section_align): Only round section sizes here for AOUT targets.
(tc_arm_regname_to_dw2regnum): Move out for OBJ_ELF only block.
(tc_pe_dwarf2_emit_offset): New function.
(md_apply_fix) [TE_PE]: Handle BFD_RELOC_32_SECREL.
(cons_fix_new_arm): Handle O_secrel.
* config/tc-arm.h : Move DWARF2_LINE_MIN_INSN_LENGTH, DWARF2_DEFAULT_RETURN_COLUMN and DWARF2_CIE_DATA_ALIGNMENT out of OBJ_ELF only block.
[TE_PE]: Define O_secrel, TC_DWARF2_EMIT_OFFSET, and declare tc_pe_dwarf2_emit_offset.
* ld-pe/pe.exp: Enable tests on arm-wince-pe.
* ld-pe/secrel.d: Adjust test to work on arm-wince-pe too.
* config/tc-arm.c (parse_operands): Handle invalid register name
for OP_RIWR_RIWC.
gas/testsuite:
* gas/arm/iwmmxt-bad.s: Test invalid register names for wldrw and
wstrw.
* gas/arm/iwmmxt-bad.l: Update.
* config/tc-arm.c (enum operand_parse_code): Add OP_RIWC_RIWG.
(parse_operands): Handle it.
(insns): Use it for tmcr and tmrc.
gas/testsuite:
* gas/arm/iwmmxt.s: Test tmcr and tmrc with wcgr registers.
* gas/arm/iwmmxt.d: Update.
bfd/
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* reloc.c: Add BFD_RELOC_ARM_T32_ADD_IMM.
gas/
* tc-arm.c (do_t_add_sub): Use addw/subw when source is PC.
(md_convert_frag): Use correct reloc for add_pc. Use
BFD_RELOC_ARM_T32_ADD_IMM for normal add/sum.
(md_apply_fix): Handle BFD_RELOC_ARM_T32_ADD_IMM.
(arm_force_relocation): Handle BFD_RELOC_ARM_T32_ADD_IMM.
gas/testsuite/
* gas/arm/thumb2_add.d: New test.
* gas/arm/thumb2_add.s: New test.
* config/tc-arm.c (s_arm_unwind_save_vfp_armv6): New. Parse
a directive saving VFP registers for ARMv6 or later.
(s_arm_unwind_save): Add parameter arch_v6 and call
s_arm_unwind_save_vfp or s_arm_unwind_save_vfp_armv6 as
appropriate.
(md_pseudo_table): Add entry for new "vsave" directive.
* doc/c-arm.texi: Correct error in example for "save"
directive (fstmdf -> fstmdx). Also document "vsave" directive.
to R_ARM_LDC_SB_G{0,1,2} respectively.
bfd/
* bfd-in2.h: Regenerate.
* elf32-arm.c (R_ARM_ALU_PC_G0_NC, R_ARM_ALU_PC_G0,
R_ARM_ALU_PC_G1_NC, R_ARM_ALU_PC_G1, R_ARM_ALU_PC_G2,
R_ARM_LDR_PC_G1, R_ARM_LDR_PC_G2, R_ARM_LDRS_PC_G0,
R_ARM_LDRS_PC_G1, R_ARM_LDRS_PC_G2, R_ARM_LDC_PC_G0,
R_ARM_LDC_PC_G1, R_ARM_LDC_PC_G2, R_ARM_ALU_SB_G0_NC,
R_ARM_ALU_SB_G0, R_ARM_ALU_SB_G1_NC, R_ARM_ALU_SB_G1,
R_ARM_ALU_SB_G2, R_ARM_LDR_SB_G0, R_ARM_LDR_SB_G1,
R_ARM_LDR_SB_G2, R_ARM_LDRS_SB_G0, R_ARM_LDRS_SB_G1,
R_ARM_LDRS_SB_G2, R_ARM_LDC_SB_G0, R_ARM_LDC_SB_G1,
R_ARM_LDC_SB_G2): New relocation types.
(R_ARM_PC13): Rename to AAELF name R_ARM_LDR_PC_G0 and
adjust HOWTO entry to be consistent with R_ARM_LDR_PC_G1
and friends.
(elf32_arm_howto_table_3): Delete; contents merged into
elf32_arm_howto_table_2.
(elf32_arm_howto_from_type): Adjust correspondingly.
(elf32_arm_reloc_map): Extend with the above relocations.
(calculate_group_reloc_mask): New function.
(identify_add_or_sub): New function.
(elf32_arm_final_link_relocate): Support for the above
relocations.
* reloc.c: Add enumeration entries for BFD_RELOC_ARM_...
codes to correspond to the above relocations.
gas/
* config/tc-arm.c (enum parse_operand_result): New.
(struct group_reloc_table_entry): New.
(enum group_reloc_type): New.
(group_reloc_table): New array.
(find_group_reloc_table_entry): New function.
(parse_shifter_operand_group_reloc): New function.
(parse_address_main): New function, incorporating code
from the old parse_address function. To be used via...
(parse_address): wrapper for parse_address_main; and
(parse_address_group_reloc): new function, likewise.
(enum operand_parse_code): New codes OP_SHG, OP_ADDRGLDR,
OP_ADDRGLDRS, OP_ADDRGLDC.
(parse_operands): Support for these new operand codes.
New macro po_misc_or_fail_no_backtrack.
(encode_arm_cp_address): Preserve group relocations.
(insns): Modify to use the above operand codes where group
relocations are permitted.
(md_apply_fix): Handle the group relocations
ALU_PC_G0_NC through LDC_SB_G2.
(tc_gen_reloc): Likewise.
(arm_force_relocation): Leave group relocations for the linker.
(arm_fix_adjustable): Likewise.
gas/testsuite/
* gas/arm/group-reloc-alu.d: New test.
* gas/arm/group-reloc-alu-encoding-bad.d: New test.
* gas/arm/group-reloc-alu-encoding-bad.l: New test.
* gas/arm/group-reloc-alu-encoding-bad.s: New test.
* gas/arm/group-reloc-alu-parsing-bad.d: New test.
* gas/arm/group-reloc-alu-parsing-bad.l: New test.
* gas/arm/group-reloc-alu-parsing-bad.s: New test.
* gas/arm/group-reloc-alu.s: New test.
* gas/arm/group-reloc-ldc.d: New test.
* gas/arm/group-reloc-ldc-encoding-bad.d: New test.
* gas/arm/group-reloc-ldc-encoding-bad.l: New test.
* gas/arm/group-reloc-ldc-encoding-bad.s: New test.
* gas/arm/group-reloc-ldc-parsing-bad.d: New test.
* gas/arm/group-reloc-ldc-parsing-bad.l: New test.
* gas/arm/group-reloc-ldc-parsing-bad.s: New test.
* gas/arm/group-reloc-ldc.s: New test.
* gas/arm/group-reloc-ldr.d: New test.
* gas/arm/group-reloc-ldr-encoding-bad.d: New test.
* gas/arm/group-reloc-ldr-encoding-bad.l: New test.
* gas/arm/group-reloc-ldr-encoding-bad.s: New test.
* gas/arm/group-reloc-ldr-parsing-bad.d: New test.
* gas/arm/group-reloc-ldr-parsing-bad.l: New test.
* gas/arm/group-reloc-ldr-parsing-bad.s: New test.
* gas/arm/group-reloc-ldr.s: New test.
* gas/arm/group-reloc-ldrs.d: New test.
* gas/arm/group-reloc-ldrs-encoding-bad.d: New test.
* gas/arm/group-reloc-ldrs-encoding-bad.l: New test.
* gas/arm/group-reloc-ldrs-encoding-bad.s: New test.
* gas/arm/group-reloc-ldrs-parsing-bad.d: New test.
* gas/arm/group-reloc-ldrs-parsing-bad.l: New test.
* gas/arm/group-reloc-ldrs-parsing-bad.s: New test.
* gas/arm/group-reloc-ldrs.s: New test.
ld/testsuite/
* ld-arm/group-relocs-alu-bad.d: New test.
* ld-arm/group-relocs-alu-bad.s: New test.
* ld-arm/group-relocs.d: New test.
* ld-arm/group-relocs-ldc-bad.d: New test.
* ld-arm/group-relocs-ldc-bad.s: New test.
* ld-arm/group-relocs-ldr-bad.d: New test.
* ld-arm/group-relocs-ldr-bad.s: New test.
* ld-arm/group-relocs-ldrs-bad.d: New test.
* ld-arm/group-relocs-ldrs-bad.s: New test.
* ld-arm/group-relocs.s: New test.
* ld-arm/arm-elf.exp: Wire in new tests.
(arm_it): Add uncond_value field. Add isvec and issingle to operand
array.
(arm_reg_type): Add REG_TYPE_VFSD (single or double VFP reg) and
REG_TYPE_NSDQ (single, double or quad vector reg).
(reg_expected_msgs): Update.
(BAD_FPU): Add macro for unsupported FPU instruction error.
(parse_neon_type): Support 'd' as an alias for .f64.
(parse_typed_reg_or_scalar): Support REG_TYPE_VFSD, REG_TYPE_NSDQ
sets of registers.
(parse_vfp_reg_list): Don't update first arg on error.
(parse_neon_mov): Support extra syntax for VFP moves.
(operand_parse_code): Add OP_RVSD, OP_RNSDQ, OP_VRSDLST, OP_RVSD_IO,
OP_RNSDQ_RNSC, OP_RVC_PSR, OP_APSR_RR, OP_oRNSDQ.
(parse_operands): Support isvec, issingle operands fields, new parse
codes above.
(do_vfp_nsyn_mrs, do_vfp_nsyn_msr): New functions. Support VFP mrs,
msr variants.
(do_mrs, do_msr, do_t_mrs, do_t_msr): Add support for above.
(NEON_ENC_TAB): Add vnmul, vnmla, vnmls, vcmp, vcmpz, vcmpe, vcmpez.
(NEON_ENC_SINGLE, NEON_ENC_DOUBLE): Define macros.
(NEON_SHAPE_DEF): New macro. Define table of possible instruction
shapes.
(neon_shape): Redefine in terms of above.
(neon_shape_class): New enumeration, table of shape classes.
(neon_shape_el): New enumeration. One element of a shape.
(neon_shape_el_size): Register widths of above, where appropriate.
(neon_shape_info): New struct. Info for shape table.
(neon_shape_tab): New array.
(neon_type_mask): Add N_F64, N_VFP. Update N_MAX_NONSPECIAL.
(neon_check_shape): Rewrite as...
(neon_select_shape): New function to classify instruction shapes,
driven by new table neon_shape_tab array.
(neon_quad): New function. Return 1 if shape should set Q flag in
instructions (or equivalent), 0 otherwise.
(type_chk_of_el_type): Support F64.
(el_type_of_type_chk): Likewise.
(neon_check_type): Add support for VFP type checking (VFP data
elements fill their containing registers).
(do_vfp_cond_or_thumb): Fill in condition field in ARM mode, or 0xE
in thumb mode for VFP instructions.
(do_vfp_nsyn_opcode): New function. Look up the opcode in argument,
and encode the current instruction as if it were that opcode.
(try_vfp_nsyn): New. If this looks like a VFP instruction with ARGS
arguments, call function in PFN.
(do_vfp_nsyn_add_sub, do_vfp_nsyn_mla_mls, do_vfp_nsyn_mul)
(do_vfp_nsyn_abs_neg, do_vfp_nsyn_ldm_stm, do_vfp_nsyn_ldr_str)
(do_vfp_nsyn_sqrt, do_vfp_nsyn_div, do_vfp_nsyn_nmul)
(do_vfp_nsyn_cmp, nsyn_insert_sp, do_vfp_nsyn_push)
(do_vfp_nsyn_pop, do_vfp_nsyn_cvt, do_vfp_nsyn_cvtz): New functions.
Redirect Neon-syntax VFP instructions to VFP instruction handlers.
(do_neon_dyadic_i_su, do_neon_dyadic_i64_su, do_neon_shl_imm)
(do_neon_qshl_imm, do_neon_logic, do_neon_bitfield)
(neon_dyadic_misc, neon_compare, do_neon_tst, do_neon_qdmulh)
(do_neon_fcmp_absolute, do_neon_step, do_neon_sli, do_neon_sri)
(do_neon_qshlu_imm, neon_move_immediate, do_neon_mvn, do_neon_ext)
(do_neon_rev, do_neon_dup, do_neon_rshift_round_imm, do_neon_trn)
(do_neon_zip_uzp, do_neon_sat_abs_neg, do_neon_pair_long)
(do_neon_recip_est, do_neon_cls, do_neon_clz, do_neon_cnt)
(do_neon_swp): Use neon_select_shape not neon_check_shape. Use
neon_quad.
(vfp_or_neon_is_neon): New function. Call if a mnemonic shared
between VFP and Neon turns out to belong to Neon. Perform
architecture check and fill in condition field if appropriate.
(do_neon_addsub_if_i, do_neon_mac_maybe_scalar, do_neon_abs_neg)
(do_neon_cvt): Add support for VFP variants of instructions.
(neon_cvt_flavour): Extend to cover VFP conversions.
(do_neon_mov): Rewrite to use neon_select_shape. Add support for VFP
vmov variants.
(do_neon_ldr_str): Handle single-precision VFP load/store.
(do_neon_ld_st_interleave, do_neon_ld_st_lane, do_neon_ld_dup): Use
NS_NULL not NS_IGNORE.
(opcode_tag): Add OT_csuffixF for operands which either take a
conditional suffix, or have 0xF in the condition field.
(md_assemble): Add support for OT_csuffixF.
(NCE): Replace macro with...
(NCE_tag, NCE, NCEF): New macros.
(nCE): Replace macro with...
(nCE_tag, nCE, nCEF): New macros.
(insns): Add support for VFP insns or VFP versions of insns msr,
mrs, vsqrt, vdiv, vnmul, vnmla, vnmls, vcmp, vcmpe, vpush, vpop,
vcvtz, vmul, vmla, vmls, vadd, vsub, vabs, vneg, vldm, vldmia,
vldbdb, vstm, vstmia, vstmdb, vldr, vstr, vcvt, vmov. Group shared
VFP/Neon insns together.
gas/
* config/tc-arm.c (arm_fix_adjustable): Return 0 for function symbols.
gas/testsuite/
* gas/arm/local_function.d: New test.
* gas/arm/local_function.s: New test.
symbols which are not going to be placed into the symbol table.
* coffcode.h (coff_write_relocs): Produce an error message if a an
out-of-range symbol index is detected in a reloc.
checking.
(do_neon_mov): Enable several VMOV variants for VFP. Add suitable
architecture version checks.
(insns): Allow overlapping instructions to be used in VFP mode.
here.
(md_apply_fix3): Multiply offset by 4 here for
BFD_RELOC_ARM_CP_OFF_IMM_S2 and BFD_RELOC_ARM_T32_CP_OFF_IMM_S2.
testsuite:
* gas/arm/iwmmxt.s: Increase offsets for wstrb and wstrh.
* gas/arm/iwmmxt.d: Update expected results.
* gas/arm/iwmmxt-bad2.s: Test wstrb, wstrh, wldrb and wldrh.
* gas/arm/iwmmxt-bad2.l: Update expected error messages.
(is_quarter_float): Rename from above. Simplify slightly.
(parse_qfloat_immediate): Parse a "quarter precision" floating-point
number.
(parse_neon_mov): Parse floating-point constants.
(neon_qfloat_bits): Fix encoding.
(neon_cmode_for_move_imm): Tweak to use floating-point encoding in
preference to integer encoding when using the F32 type.
zero-initialising structures containing it will lead to invalid types).
(arm_it): Add vectype to each operand.
(NTA_HASTYPE, NTA_HASINDEX): Constants used in neon_typed_alias
defined field.
(neon_typed_alias): New structure. Extra information for typed
register aliases.
(reg_entry): Add neon type info field.
(arm_reg_parse): Remove RTYPE argument (revert to previous arguments).
Break out alternative syntax for coprocessor registers, etc. into...
(arm_reg_alt_syntax): New function. Alternate syntax handling broken
out from arm_reg_parse.
(parse_neon_type): Move. Return SUCCESS/FAIL.
(first_error): New function. Call to ensure first error which occurs is
reported.
(parse_neon_operand_type): Parse exactly one type.
(NEON_ALL_LANES, NEON_INTERLEAVE_LANES): Move.
(parse_typed_reg_or_scalar): New function. Handle core of both
arm_typed_reg_parse and parse_scalar.
(arm_typed_reg_parse): Parse a register with an optional type.
(NEON_SCALAR_REG, NEON_SCALAR_INDEX): Extract parts of parse_scalar
result.
(parse_scalar): Parse a Neon scalar with optional type.
(parse_reg_list): Use first_error.
(parse_vfp_reg_list): Use arm_typed_reg_parse instead of arm_reg_parse.
(neon_alias_types_same): New function. Return true if two (alias) types
are the same.
(parse_neon_el_struct_list): Use parse_typed_reg_or_scalar. Return type
of elements.
(insert_reg_alias): Return new reg_entry not void.
(insert_neon_reg_alias): New function. Insert type/index information as
well as register for alias.
(create_neon_reg_alias): New function. Parse .dn/.qn directives and
make typed register aliases accordingly.
(s_dn, s_qn): New functions. Handle incorrectly used .dn/.qn at start
of line.
(s_unreq): Delete type information if present.
(s_arm_unwind_save_mmxwr): Remove arg 3 from arm_reg_parse calls.
(s_arm_unwind_save_mmxwcg): Likewise.
(s_arm_unwind_movsp): Likewise.
(s_arm_unwind_setfp): Likewise.
(parse_shift): Likewise.
(parse_shifter_operand): Likewise.
(parse_address): Likewise.
(parse_tb): Likewise.
(tc_arm_regname_to_dw2regnum): Likewise.
(md_pseudo_table): Add dn, qn.
(parse_neon_mov): Handle typed operands.
(parse_operands): Likewise.
(neon_type_mask): Add N_SIZ.
(N_ALLMODS): New macro.
(neon_check_shape): Fix typo in NS_DDD_QQQ case. Use first_error.
(el_type_of_type_chk): Add some safeguards.
(modify_types_allowed): Fix logic bug.
(neon_check_type): Handle operands with types.
(neon_three_same): Remove redundant optional arg handling.
(do_neon_dyadic_i64_su, do_neon_shl_imm, do_neon_qshl_imm)
(do_neon_logic, do_neon_qdmulh, do_neon_fcmp_absolute)
(do_neon_step): Adjust accordingly.
(neon_cmode_for_logic_imm): Use first_error.
(do_neon_bitfield): Call neon_check_type.
(neon_dyadic): Rename to...
(neon_dyadic_misc): ...this. New name for neon_dyadic. Add bitfield
to allow modification of type of the destination.
(do_neon_dyadic_if_su, do_neon_dyadic_if_i, do_neon_dyadic_if_i_d)
(do_neon_addsub_if_i, do_neon_mul): Adjust accordingly.
(do_neon_compare): Make destination be an untyped bitfield.
(neon_scalar_for_mul): Use NEON_SCALAR_REG, NEON_SCALAR_INDEX.
(neon_mul_mac): Return early in case of errors.
(neon_move_immediate): Use first_error.
(neon_mac_reg_scalar_long): Fix type to include scalar.
(do_neon_dup): Likewise.
(do_neon_mov): Likewise (in several places).
(do_neon_tbl_tbx): Fix type.
(do_neon_ld_st_interleave, neon_alignment_bit, do_neon_ld_st_lane)
(do_neon_ld_dup): Exit early in case of errors and/or use
first_error.
(opcode_lookup): Update for parse_neon_type returning SUCCESS/FAIL.
Handle .dn/.qn directives.
(REGDEF): Add zero for reg_entry neon field.
(fpu_arch_vfp_v3, fpu_vfp_ext_v3, fpu_neon_ext_v1)
(fpu_vfp_v3_or_neon_ext): Declare constants.
(neon_el_type): New enumeration of types for Neon vector elements.
(neon_type_el): New struct. Define type and size of a vector element.
(NEON_MAX_TYPE_ELS): Define constant. The maximum number of types per
instruction.
(neon_type): Define struct. The type of an instruction.
(arm_it): Add 'vectype' for the current instruction.
(isscalar, immisalign, regisimm, isquad): New predicates for operands.
(vfp_sp_reg_pos): Rename to...
(vfp_reg_pos): ...this, and add VFP_REG_Dd, VFP_REG_Dm, VFP_REG_Dn
tags.
(arm_reg_type): Add REG_TYPE_NQ (Neon Q register) and REG_TYPE_NDQ
(Neon D or Q register).
(reg_expected_msgs): Sync with above. Allow VFD to mean VFP or Neon D
register.
(GE_OPT_PREFIX_BIG): Define constant, for use in...
(my_get_expression): Allow above constant as argument to accept
64-bit constants with optional prefix.
(arm_reg_parse): Add extra argument to return the specific type of
register in when either a D or Q register (REG_TYPE_NDQ) is
requested. Can be NULL.
(parse_scalar): New function. Parse Neon scalar (vector reg and index).
(parse_reg_list): Update for new arm_reg_parse args.
(parse_vfp_reg_list): Allow parsing of Neon D/Q register lists.
(parse_neon_el_struct_list): New function. Parse element/structure
register lists for VLD<n>/VST<n> instructions.
(s_arm_unwind_save_vfp): Update for new parse_vfp_reg_list args.
(s_arm_unwind_save_mmxwr): Likewise.
(s_arm_unwind_save_mmxwcg): Likewise.
(s_arm_unwind_movsp): Likewise.
(s_arm_unwind_setfp): Likewise.
(parse_big_immediate): New function. Parse an immediate, which may be
64 bits wide. Put results in inst.operands[i].
(parse_shift): Update for new arm_reg_parse args.
(parse_address): Likewise. Add parsing of alignment specifiers.
(parse_neon_mov): Parse the operands of a VMOV instruction.
(operand_parse_code): Add OP_RND, OP_RNQ, OP_RNDQ, OP_RNSC, OP_NRDLST,
OP_NSTRLST, OP_NILO, OP_RNDQ_I0, OP_RR_RNSC, OP_RNDQ_RNSC, OP_RND_RNSC,
OP_VMOV, OP_RNDQ_IMVNb, OP_RNDQ_I63b, OP_I0, OP_I16z, OP_I32z, OP_I64,
OP_I64z, OP_oI32b, OP_oRND, OP_oRNQ, OP_oRNDQ.
(parse_operands): Handle new codes above.
(encode_arm_vfp_sp_reg): Rename to...
(encode_arm_vfp_reg): ...this. Handle D regs (0-31) too. Complain if
selected VFP version only supports D0-D15.
(do_vfp_sp_monadic, do_vfp_sp_dyadic, do_vfp_sp_compare_z)
(do_vfp_dp_sp_cvt, do_vfp_reg_from_sp, do_vfp_reg2_from_sp2)
(do_vfp_sp_from_reg, do_vfp_sp2_from_reg2, do_vfp_sp_ldst)
(do_vfp_dp_ldst, vfp_sp_ldstm, vfp_dp_ldstm): Update for new
encode_arm_vfp_reg name, and allow 32 D regs.
(do_vfp_dp_rd_rm, do_vfp_dp_rn_rd, do_vfp_dp_rd_rn, do_vfp_dp_rd_rn_rm)
(do_vfp_rm_rd_rn): New functions to encode VFP insns allowing 32 D
regs.
(do_vfp_sp_const, do_vfp_dp_const, vfp_conv, do_vfp_sp_conv_16)
(do_vfp_dp_conv_16, do_vfp_sp_conv_32, do_vfp_dp_conv_32): Handle
constant-load and conversion insns introduced with VFPv3.
(neon_tab_entry): New struct.
(NEON_ENC_TAB): Bit patterns for overloaded Neon instructions, and
those which are the targets of pseudo-instructions.
(neon_opc): Enumerate opcodes, use as indices into...
(neon_enc_tab): ...this. Hold data from NEON_ENC_TAB.
(NEON_ENC_INTEGER, NEON_ENC_ARMREG, NEON_ENC_POLY, NEON_ENC_FLOAT)
(NEON_ENC_SCALAR, NEON_ENC_IMMED, NEON_ENC_INTERLV, NEON_ENC_LANE)
(NEON_ENC_DUP): Define meaningful helper macros to look up values in
neon_enc_tab.
(neon_shape): Enumerate shapes (permitted register widths, etc.) for
Neon instructions.
(neon_type_mask): New. Compact type representation for type checking.
(N_SU_ALL, N_SU_32, N_SU_16_64, N_SUF_32, N_I_ALL, N_IF_32): Common
permitted type combinations.
(N_IGNORE_TYPE): New macro.
(neon_check_shape): New function. Check an instruction shape for
multiple alternatives. Return the specific shape for the current
instruction.
(neon_modify_type_size): New function. Modify a vector type and size,
depending on the bit mask in argument 1.
(neon_type_promote): New function. Convert a given "key" type (of an
operand) into the correct type for a different operand, based on a bit
mask.
(type_chk_of_el_type): New function. Convert a type and size into the
compact representation used for type checking.
(el_type_of_type_ckh): New function. Reverse of above (only when a
single bit is set in the bit mask).
(modify_types_allowed): New function. Alter a mask of allowed types
based on a bit mask of modifications.
(neon_check_type): New function. Check the type of the current
instruction against the variable argument list. The "key" type of the
instruction is returned.
(neon_dp_fixup): New function. Fill in and modify instruction bits for
a Neon data-processing instruction depending on whether we're in ARM
mode or Thumb-2 mode.
(neon_logbits): New function.
(neon_three_same, neon_two_same, do_neon_dyadic_i_su)
(do_neon_dyadic_i64_su, neon_imm_shift, do_neon_shl_imm)
(do_neon_qshl_imm, neon_cmode_for_logic_imm, neon_bits_same_in_bytes)
(neon_squash_bits, neon_is_quarter_float, neon_qfloat_bits)
(neon_cmode_for_move_imm, neon_write_immbits, neon_invert_size)
(do_neon_logic, do_neon_bitfield, neon_dyadic, do_neon_dyadic_if_su)
(do_neon_dyadic_if_su_d, do_neon_dyadic_if_i, do_neon_dyadic_if_i_d)
(do_neon_addsub_if_i, neon_exchange_operands, neon_compare)
(do_neon_cmp, do_neon_cmp_inv, do_neon_ceq, neon_scalar_for_mul)
(neon_mul_mac, do_neon_mac_maybe_scalar, do_neon_tst, do_neon_mul)
(do_neon_qdmulh, do_neon_fcmp_absolute, do_neon_fcmp_absolute_inv)
(do_neon_step, do_neon_abs_neg, do_neon_sli, do_neon_sri)
(do_neon_qshlu_imm, do_neon_qmovn, do_neon_qmovun)
(do_neon_rshift_sat_narrow, do_neon_rshift_sat_narrow_u, do_neon_movn)
(do_neon_rshift_narrow, do_neon_shll, neon_cvt_flavour, do_neon_cvt)
(neon_move_immediate, do_neon_mvn, neon_mixed_length)
(do_neon_dyadic_long, do_neon_abal, neon_mac_reg_scalar_long)
(do_neon_mac_maybe_scalar_long, do_neon_dyadic_wide, do_neon_vmull)
(do_neon_ext, do_neon_rev, do_neon_dup, do_neon_mov)
(do_neon_rshift_round_imm, do_neon_movl, do_neon_trn, do_neon_zip_uzp)
(do_neon_sat_abs_neg, do_neon_pair_long, do_neon_recip_est)
(do_neon_cls, do_neon_clz, do_neon_cnt, do_neon_swp, do_neon_tbl_tbx)
(do_neon_ldm_stm, do_neon_ldr_str, do_neon_ld_st_interleave)
(neon_alignment_bit, do_neon_ld_st_lane, do_neon_ld_dup)
(do_neon_ldx_stx): New functions. Neon bit encoding and encoding
helpers.
(parse_neon_type): New function. Parse Neon type specifier.
(opcode_lookup): Allow parsing of Neon type specifiers.
(REGNUM2, REGSETH, REGSET2): New macros.
(reg_names): Add new VFPv3 and Neon registers.
(NUF, nUF, NCE, nCE): New macros for opcode table.
(insns): More VFP registers allowed in fcpyd, fmdhr, fmdlr, fmrdh,
fmrdl, fabsd, fnegd, fsqrtd, faddd, fsubd, fmuld, fdivd, fmacd, fmscd,
fnmuld, fnmacd, fnmscd, fcmpd, fcmpzd, fcmped, fcmpezd, fmdrr, fmrrd.
Add Neon instructions vaba, vhadd, vrhadd, vhsub, vqadd, vqsub, vrshl,
vqrshl, vshl, vqshl{u}, vand, vbic, vorr, vorn, veor, vbsl, vbit, vbif,
vabd, vmax, vmin, vcge, vcgt, vclt, vcle, vceq, vpmax, vpmin, vmla,
vmls, vpadd, vadd, vsub, vtst, vmul, vqdmulh, vqrdmulh, vacge, vacgt,
vaclt, vacle, vrecps, vrsqrts, vabs, vneg, v{r}shr, v{r}sra, vsli,
vsri, vqshrn, vq{r}shr{u}n, v{r}shrn, vshll, vcvt, vmov, vmvn, vabal,
vabdl, vaddl, vsubl, vmlal, vmlsl, vaddw, vsubw, v{r}addhn, v{r}subhn,
vqdmlal, vqdmlsl, vqdmull, vmull, vext, vrev64, vrev32, vrev16, vdup,
vmovl, v{q}movn, vzip, vuzp, vqabs, vqneg, vpadal, vpaddl, vrecpe,
vrsqrte, vcls, vclz, vcnt, vswp, vtrn, vtbl, vtbx, vldm, vstm, vldr,
vstr, vld[1234], vst[1234], fconst[sd], f[us][lh]to[sd],
fto[us][lh][sd].
(tc_arm_regname_to_dw2regnum): Update for arm_reg_parse args.
(arm_cpu_option_table): Add Neon and VFPv3 to Cortex-A8.
(arm_option_cpu_value): Add vfp3 and neon.
(aeabi_set_public_attributes): Support VFPv3 and NEON attributes. Fix
VFPv1 attribute.
gas/
* config/tc-arm.c (BAD_BRANCH, BAD_NOT_IT): Define.
(do_t_branch): Encode branches inside IT blocks as unconditional.
(do_t_cps): New function.
(do_t_blx, do_t_bkpt, do_t_branch23, do_t_bx, do_t_bxj, do_t_cpsi,
do_t_czb, do_t_it, do_t_setend, do_t_tb): Add IT constaints.
(opcode_lookup): Allow conditional suffixes on all instructions in
Thumb mode.
(md_assemble): Advance condexec state before checking for errors.
(insns): Use do_t_cps.
gas/testsuite/
* gas/arm/thumb2_bcond.d: New test.
* gas/arm/thumb2_bcond.s: New test.
* gas/arm/thumb2_it_bad.d: New test.
* gas/arm/thumb2_it_bad.l: New test.
* gas/arm/thumb2_it_bad.s: New test.
* configure.in (bfd_elf32_bigarm_vec): Include elf-vxworks.lo.
(bfd_elf32_bigarm_symbian_vec): Likewise.
(bfd_elf32_bigarm_vxworks_vec): Likewise.
(bfd_elf32_littlearm_vec): Likewise.
(bfd_elf32_littlearm_symbian_vec): Likewise.
(bfd_elf32_littlearm_vxworks_vec): Likewise.
* configure: Regenerate.
* elf32-arm.c: Include libiberty.h and elf-vxworks.h.
(RELOC_SECTION, RELOC_SIZE, SWAP_RELOC_IN, SWAP_RELOC_OUT): New macros.
(elf32_arm_vxworks_bed): Add forward declaration.
(elf32_arm_howto_table_1): Fix the masks for R_ASM_ABS12.
(elf32_arm_vxworks_exec_plt0_entry): New table.
(elf32_arm_vxworks_exec_plt_entry): Likewise.
(elf32_arm_vxworks_shared_plt_entry): Likewise.
(elf32_arm_link_hash_table): Add vxworks_p and srelplt2 fields.
(reloc_section_p): New function.
(create_got_section): Use RELOC_SECTION.
(elf32_arm_create_dynamic_sections): Likewise. Call
elf_vxworks_create_dynamic_sections for VxWorks targets.
Choose between the two possible values of plt_header_size
and plt_entry_size.
(elf32_arm_link_hash_table_create): Initialize vxworks_p and srelplt2.
(elf32_arm_abs12_reloc): New function.
(elf32_arm_final_link_relocate): Call it. Allow the creation of
dynamic R_ARM_ABS12 relocs on VxWorks. Use reloc_section_p,
RELOC_SIZE, SWAP_RELOC_OUT and RELOC_SECTION. Initialize the
r_addend fields of relocs. On rela targets, skip any code that
adjusts in-place addends. When using _bfd_link_final_relocate
to perform a final relocation, pass rel->r_addend as the addend
argument.
(elf32_arm_merge_private_bfd_data): If one of the bfds is a VxWorks
object, ignore flags that are not standard on VxWorks.
(elf32_arm_check_relocs): Allow the creation of dynamic R_ARM_ABS12
relocs on VxWorks. Use reloc_section_p.
(elf32_arm_adjust_dynamic_symbol): Use RELOC_SECTION and RELOC_SIZE.
(allocate_dynrelocs): Use RELOC_SIZE. Account for the size of
.rela.plt.unloaded relocs on VxWorks targets.
(elf32_arm_size_dynamic_sections): Use RELOC_SIZE. Check for
.rela.plt.unloaded as well as .rel(a).plt. Add DT_RELA* tags
instead of DT_REL* tags on RELA targets.
(elf32_arm_finish_dynamic_symbol): Use RELOC_SECTION, RELOC_SIZE
and SWAP_RELOC_OUT. Initialize r_addend fields. Handle VxWorks
PLT entries. Do not make _GLOBAL_OFFSET_TABLE_ absolute on VxWorks.
(elf32_arm_finish_dynamic_sections): Use RELOC_SECTION, RELOC_SIZE
and SWAP_RELOC_OUT. Initialize r_addend fields. Handle DT_RELASZ
like DT_RELSZ. Handle the VxWorks form of initial PLT entry.
Correct the .rela.plt.unreloaded symbol indexes.
(elf32_arm_output_symbol_hook): Call the VxWorks version of this
hook on VxWorks targets.
(elf32_arm_vxworks_link_hash_table_create): Set vxworks_p to true.
Minor formatting tweak.
(elf32_arm_vxworks_final_write_processing): New function.
(elf_backend_add_symbol_hook): Override for VxWorks and reset
for Symbian.
(elf_backend_final_write_processing): Likewise.
(elf_backend_emit_relocs): Likewise.
(elf_backend_want_plt_sym): Likewise.
(ELF_MAXPAGESIZE): Likewise.
(elf_backend_may_use_rel_p): Minor formatting tweak.
(elf_backend_may_use_rela_p): Likewise.
(elf_backend_default_use_rela_p): Likewise.
(elf_backend_rela_normal): Likewise.
* Makefile.in (elf32-arm.lo): Depend on elf-vxworks.h.
gas/
* config/tc-arm.c (md_apply_fix): Install a value of zero into a
BFD_RELOC_ARM_OFFSET_IMM field if we're going to generate a RELA
R_ARM_ABS12 reloc.
(tc_gen_reloc): Keep the original fx_offset for RELA pc-relative
relocs, but adjust by md_pcrel_from_section. Create R_ARM_ABS12
relocations for BFD_RELOC_ARM_OFFSET_IMM on RELA targets.
gas/testsuite/
* gas/arm/abs12.s, gas/arm/abs12.d: New test.
* gas/arm/pic.d: Skip for *-*-vxworks*...
* gas/arm/pic_vxworks.d: ...use this version instead.
* gas/arm/unwind_vxworks.d: Fix expected output.
ld/
* emulparams/armelf_vxworks.sh: Include vxworks.sh.
(MAXPAGESIZE): Define.
* emulparams/vxworks.sh: Undefine.
* Makefile.am (earmelf_vxworks.c): Depend on vxworks.sh and vxworks.em.
* Makefile.in: Regenerate.
ld/testsuite/
* ld-arm/vxworks1.dd, ld-arm/vxworks1.ld, ld-arm/vxworks1-lib.dd,
* ld-arm/vxworks1-lib.nd, ld-arm/vxworks1-lib.rd,
* ld-arm/vxworks1-lib.s, ld-arm/vxworks1.rd, ld-arm/vxworks1.s,
* ld-arm/vxworks1-static.d, ld-arm/vxworks2.s, ld-arm/vxworks2.sd,
* ld-arm/vxworks2-static.sd: New tests.
* ld-arm/arm-elf.exp: Run them.
* config/tc-arm.c (s_arm_unwind_save_core): Don't emit an extra
opcode if r4-r15 are not saved.
gas/testsuite/
* gas/arm/unwind.s, gas/arm/unwind.d, gas/arm/unwind_vxworks.d: Add
a test for saving only the low registers.
(arm_reg_parse_multi): Return NULL rather than FAIL.
(arm_reg_parse): Fix comment, the function returns FAIL rather than NULL if
it is unable to parse the register name.
(do_ldrex): Use BAD_ADDR_MODE.
Change error message for PC-relative addressing.
(do_strex): Likewise.
(do_t_ldrex): Use BAD_ADDR_MODE.
(do_t_strex): Likewise.
* gas/arm/archv6t2-bad.s: Add tests of badly composed ldrex and strex
instructions.
* gas/arm/archv6t2-bad.l: Add expected error messages.
* gas/arm/r15-bad.l: Adjust error messages for r15 usage in ldrex and strex
instructions.
bfd/
* libbdf.h: Regenerate.
* bfd-in2.h: Regenerate.
* reloc.c: Add BFD_RELOC_ARM_T32_CP_OFF_IMM and
BFD_RELOC_ARM_T32_CP_OFF_IMM_S2.
gas/
* config/tc-arm.c (encode_arm_cp_address): Use
BFD_RELOC_ARM_T32_CP_OFF_IMM in thumb mode.
(do_iwmmxt_wldstbh): Use BFD_RELOC_ARM_T32_CP_OFF_IMM_S2 in thumb
mode.
(md_assemble): Only allow coprocessor instructions when Thumb-2 is
available.
(cCE, cC3): Define.
(insns): Use them for coprocessor instructions.
(md_pcrel_from_section): Handle BFD_RELOC_ARM_T32_CP_OFF_IMM.
(get_thumb32_insn): New function.
(put_thumb32_insn): New function.
(md_apply_fix): Handle BFD_RELOC_ARM_T32_CP_OFF_IMM and
BFD_RELOC_ARM_T32_CP_OFF_IMM_S2.
gas/testsuite/
* gas/arm/vfp-bad_t2.d, gas/arm/vfp-bad_t2.l, arm/vfp-bad_t2.s,
gas/arm/vfp1_t2.d, gas/arm/vfp1_t2.s, gas/arm/vfp1xD_t2.d,
gas/arm/vfp1xD_t2.s, gas/arm/vfp2_t2.d, gas/arm/vfp2_t2.s): New files.
opcodes/
* arm-dis.c (coprocessor_opcodes): New.
(arm_opcodes, thumb32_opcodes): Remove coprocessor insns.
(print_insn_coprocessor): New function.
(print_insn_arm): Use print_insn_coprocessor. Remove coprocessor
format characters.
(print_insn_thumb32): Use print_insn_coprocessor.
gas/
* config/tc-arm.c (current_it_mask, current_cc): New variables.
(do_t_add_sub): Use correct encodings inside IT block.
(do_t_arit3c): Ditto.
(do_t_it): Simplify logic. Set current_it_mask and current_cc.
(md_assemble): Verify conditional suffixes agains IT blocks.
gas/testsuite/
* gas/arm/thumb32.s: Use correct conditional suffixes inside IT
blocks.
* gas/arm/thumb2_it.d, gas/arm/thumb2_it.s: New test.
instruction.
gas/arm/iwmmxt-bad2.s: New file: Check for error messages about erroneous
offsets in iwmmxt instructions. Cannot be part of iwmmxt-bad.s because
the errors there stop the assembler before it gets to check the offsets
in instructions.
gas/arm/iwmmxt-bad2.d: New file.
gas/arm/iwmmxt-bad2.l: New file: Expected error messages.
gas/arm/iwmmxt.s: Change the offset values of the WLDRD, WSTRD and WSTRW
instructions to be larger than +/-255.
gas/arm/iwmmxt.d: Fix the expected results for these instructions.
* config/tc-arm.c (T_OPCODE_BRANCH, encode_arm_addr_mode_2)
(encode_arm_addr_mode_3, encode_arm_cp_address, do_blx, do_t_blx)
(do_t_branch, insns [b, bl]): Don't encode pipeline offset.
(s_arm_elf_cons): Disallow use of (plt) suffix.
(do_adrl): Adjust X_add_number unconditionally.
(md_pcrel_from): Rename md_pcrel_from_section, add second segT
argument. Handle all adjustment for pipeline offset here.
(md_apply_fix): No need to undo work of md_pcrel_from. No
need to extract pre-encoded pipeline adjustments from various
branch instructions. Generally, assume instructions are already
all-bits-zero in the field being fixed up. Remove all OBJ_ELF
special cases. Handle BFD_RELOC_ARM_PLT32 like
BFD_RELOC_ARM_PCREL_BRANCH.
(tc_gen_reloc): Remove OBJ_ELF special case.
* config/tc-arm.c: Define MD_PCREL_FROM_SECTION.
gas/testsuite:
* gas/arm/arm.exp: Don't special case ldconst, arm7t, or copro
for *-wince-*.
* gas/arm/wince_arm7t.d, gas/arm/wince_copro.d
* gas/arm/wince_ldconst.d: Delete.
* config/tc-arm.c (find_real_start): Check S_IS_LOCAL on
symbolP as well as for names with a leading dot. Use ACONCAT.
(md_apply_fix): For branch relocations, only replace value
with fixP->fx_offset (under #ifdef OBJ_ELF) when !fixP->fx_done.
(arm_force_relocation): Remove #ifdef OBJ_ELF case.
* config/tc-arm.h (LOCAL_LABEL): Remove unnecessary parentheses.
(LOCAL_LABEL_PREFIX): Don't define.
gas/testsuite:
* gas/arm/thumb.s: Only branch to labels defined in this file.
* gas/arm/thumb.d, gas/arm/thumb32.d: Adjust expected output.
(TC_INIT_FIX_DATA): Initialize to 0, not NULL.
* config/tc-arm.c (fix_new_arm): Remove now-unnecessary cast.
(md_apply_fix3): Delete fix_is_thumb variable; refer to
fixP->tc_fix_data directly in the sole place it was used.
Explicitly truncate value, *valP, fixP->fx_addnumber, and
fixP->fx_offset to 32 bits, for consistent behavior between 32-
and 64-bit hosts.
* arm.h: Import complete list of official relocation names
and numbers from AAELF. Define FAKE_RELOCs for old names.
Remove a few old names no longer used anywhere.
bfd:
* elf32-arm.c: Wherever possible, use official reloc names
from AAELF.
(elf32_arm_howto_table, elf32_arm_tls_gd32_howto)
(elf32_arm_tls_ldo32_howto, elf32_arm_tls_ldm32_howto)
(elf32_arm_tls_le32_howto, elf32_arm_tls_ie32_howto)
(elf32_arm_vtinherit_howto, elf32_arm_vtentry_howto)
(elf32_arm_pc11_howto, elf32_arm_thm_pc9_howto, elf32_arm_got_prel)
(elf32_arm_r_howto): Replace with elf32_arm_howto_table_1,
elf32_arm_howto_table_2, and elf32_arm_howto_table_3.
Add many new relocations from AAELF.
(elf32_arm_howto_from_type): Update to match.
(elf32_arm_reloc_map): Add entries for R_ARM_THM_JUMP24,
R_ARM_THM_JUMP11, R_ARM_THM_JUMP19, R_ARM_THM_JUMP8,
R_ARM_THM_JUMP6, R_ARM_GNU_VTINHERIT, and R_ARM_GNU_VTENTRY.
(elf32_arm_reloc_type_lookup): Use elf32_arm_howto_from_type.
(elf32_arm_final_link_relocate): Add support for
R_ARM_THM_JUMP24, R_ARM_THM_JUMP19, R_ARM_THM_JUMP6. Remove
case entries redundant with default.
* reloc.c: Reorganize ARM relocations. Add Thumb
assembler-internal relocations BFD_RELOC_ARM_T32_OFFSET_U8,
BFD_RELOC_ARM_T32_OFFSET_IMM, BFD_RELOC_ARM_T32_IMMEDIATE.
Add visible relocations BFD_RELOC_THUMB_PCREL_BRANCH7,
BFD_RELOC_THUMB_BRANCH20, BFD_RELOC_THUMB_BRANCH25.
Delete unused relocations BFD_RELOC_ARM_GOT12, BFD_RELOC_ARM_COPY.
* bfd-in2.h, libbfd.h: Regenerate.
opcodes:
* arm-dis.c (thumb_opcodes): Add disassembly for V6T2 16-bit
instructions. Adjust disassembly of some opcodes to match
unified syntax.
(thumb32_opcodes): New table.
(print_insn_thumb): Rename print_insn_thumb16; don't handle
two-halfword branches here.
(print_insn_thumb32): New function.
(print_insn): Choose among print_insn_arm, print_insn_thumb16,
and print_insn_thumb32. Be consistent about order of
halfwords when printing 32-bit instructions.
gas:
* hash.c (hash_lookup): Add len parameter. All callers changed.
(hash_find_n): New interface.
* hash.h: Prototype hash_find_n.
* sb.c: Include as.h.
(scrub_from_sb, sb_to_scrub, scrub_position): New statics.
(sb_scrub_and_add_sb): New interface.
* sb.h: Prototype sb_scrub_and_add_sb.
* input-scrub.c (input_scrub_include_sb): Use sb_scrub_and_add_sb.
* config/tc-arm.h (TC_FORCE_RELOCATION_LOCAL): Remove
reference to BFD_RELOC_ARM_GOT12 which is never generated.
* config/tc-arm.c: Rewrite, adding Thumb-2 support.
gas/testsuite:
* gas/arm/arm.exp: Convert all existing "gas_test" tests to
"run_dump_test" tests. Run more tests unconditionally. Run new tests.
* gas/arm/arch4t.s, gas/arm/arch6zk.s, gas/arm/arm3.s, gas/arm/arm6.s
* gas/arm/arm7dm.s, gas/arm/bignum1.s, gas/arm/float.s
* gas/arm/immed.s, gas/arm/iwmmxt.s, gas/arm/offset.s, gas/arm/thumb.s:
Adjust to work as a dump test.
* gas/arm/arch4t.d, gas/arm/arch6zk.d, gas/arm/arm3.d, gas/arm/arm6.d
* gas/arm/arm7dm.d, gas/arm/bignum1.d, gas/arm/float.d
* gas/arm/immed.d, gas/arm/iwmmxt.d, gas/arm/offset.d, gas/arm/thumb.d:
New files.
* gas/arm/armv1-bad.l, gas/arm/armv1-bad.s: Remove tests for
diagnostics that don't happen in the first pass anymore.
* gas/arm/iwmmxt-bad.l, gas/arm/r15-bad.l, gas/arm/req.l
* gas/arm/vfp-bad.l:
Update expected diagnostics.
* gas/arm/pic.d: Update expected reloc name.
* gas/arm/thumbv6.d: CPY no longer appears in disassembly.
* gas/arm/r15-bad.s: Avoid two-argument mul.
* gas/arm/req.s: Adjust comments.
* gas/arm/maverick.d, gas/arm/maverick.s: Avoid inappropriate
use of PC.
* gas/arm/macro-1.d, gas/arm/macro1.s
* gas/arm/t16-bad.l, gas/arm/t16-bad.s
* gas/arm/tcompat.d, gas/arm/tcompat.s
* gas/arm/tcompat2.d, gas/arm/tcompat2.s
* gas/arm/thumb32.d, gas/arm/thumb32.s
New test pair.
ld/testsuite:
* ld-arm/mixed-app.d: Adjust expected disassembly a little.
* bfd/bfd-in2.h: Regenerate.
* bfd/elf32-arm.c (elf32_arm_is_target_special_symbol): Rename call to
bfd_elf32_is_arm_mapping_symbol_name.
(elf32_arm_output_symbol_hook): Likewise.
(arm_elf_find_function): Likewise, and include STT_NOTYPE in test for
mapping symbols.
(is_arm_mapping_symbol_name): Function moved from here...
* bfd/cpu-arm.c (bfd_elf32_is_arm_mapping_symbol_name): ...to here,
renamed and made global.
* gas/config/tc-arm.c (mapping_state): Change documentation in function
comment to cross-reference spec instead. Change type of mapping symbols
to BSF_NO_TYPE.
(arm_adjust_symtab): Don't change type of mapping symbols here.
* gas/testsuite/gas/arm/mapping.d: Update expected output.
* ld/testsuite/ld-arm/arm-app-abs32.d: Likewise.
* ld/testsuite/ld-arm/arm-app.d: Likewise.
* ld/testsuite/ld-arm/mixed-app.d: Likewise.
indicates whether personality routine index N has been output for this
section.
(mapping_state): tc_segment_info_data now struct not enum.
(arm_elf_change_section): Likewise, and marked_pr_dependency is now
handled on section change.
(create_unwind_entry): Previous code to output dependency removed.
(s_arm_unwind_fnend): Output dependency if it hasn't been done already
for this section.
* gas/config/tc-arm.h (TC_SEGMENT_INFO_TYPE): Redefined as struct
arm_segment_info_type.
(arm_segment_info_type): New struct.
* gas/testsuite/gas/arm/unwind.d: Update expected output.
BFD_RELOC_UNUSED.
(do_t_push_pop): Likewise.
(md_assemble): Likewise.
(md_apply_fix3): Handle BFD_RELOC_NONE correctly, make BFD_RELOC_UNUSED
same as previous meaning of BFD_RELOC_NONE.
(create_unwind_entry): Output dependency on the required personality
routines.
testsuite/gas/arm/unwind.d: Alter expected output to include dependency
on __aeabi_unwind_cpp_pr[01].
* configure.in: Use it for arm*-*-linux-gnueabi*.
* config/tc-arm.c: Allow emulation file to set FPU_DEFAULT.
* config/te-armlinuxeabi.h: New file.
* Makefile.in: Regenerated.
* aclocal.m4: Likewise.
* configure: Likewise.
* doc/Makefile.in: Regenerated.
bfd/
* elf32-arm.h: Support EABI version 4 objects.
binutils/
* readelf.c (decode_ARM_machine_flags): Support EABI version 4.
gas/
* config/tc-arm.c (md_begin): Change EF_ARM_EABI_VER3 to
EF_ARM_EABI_VER4.
(arm_eabis): Ditto.
* doc/c-arm.texi: Document that we actually support -meabi=4, not
-meabi=3.
include/
* elf/arm.h (EF_ARM_EABI_VER4): Define.
* configure.in (bfd_elf32_bigarm_symbian_vec): Add it.
(bfd_elf32_littlearm_symbian_vec): Likewise.
* configure: Regenerated.
* elf-bfd.h (elf_backend_data): Add dynamic_sec_flags.
* elf32-arm.h (PLT_HEADER_SIZE): Do not define.
(PLT_ENTRY_SIZE): Likewise.
(bfd_vma_elf32_arm_symbian_plt_entry): New
variable.
(elf32_arm_link_hash_table): Add plt_header_size, plt_entry_size,
and symbian_p.
(create_got_section): Don't create sections when generating BPABI
objects.
(elf32_arm_create_dynamic_sections): Tidy.
(elf32_arm_link_hash_table_create): Set plt_header_size,
plt_entry_size, and symbian_p.
(elf32_arm_check_relocs): Do not mark .rel.dyn as loadable when
generating BPABI objects.
(allocate_dynrelocs): Use htab->plt_header_size, not
PLT_HEADER_SIZE. Do not add to .got.plt when
generating BPABI objects.
(elf32_arm_finish_dynamic_symbol): Generate Symbian OS PLTs.
* elfarm-nabi.c: Add SymbianOS target vectors.
* elflink.c (_bfd_elf_create_got_section): Use dynamic_sec_flags.
(_bfd_elf_link_create_dynamic_sections): Likewise.
* elfxx-target.h (ELF_DYNAMIC_SEC_FLAGS): New macro.
(elfNN_bed): Use it.
* targets.c (bfd_elf32_bigarm_symbian_vec): New variable.
(bfd_elf32_littlearm_symbian_vec): Likewise.
(_bfd_target_vector): Add them.
* Makefile.am (TARG_ENV_HFILES): Add te-symbian.h.
* Makefile.in: Regenerated.
* configure.in: Set em for arm*-*-symbianelf*.
* configure: Regenerated.
* config/tc-arm.c (elf32_arm_target_format): Use Symbian target
vectors when appropriate.
* config/te-symbian.h: New file.
* Makefile.am (ALL_EMULATIONS): Add earmsymbian.o.
(earmsymbian.c): New target.
* configure.tgt: Use armsymbian emulation for arm*-*-symbianelf*.
* Makefile.in: Regenerated.
* aclocal.m4: Likewise.
* configure: Likewise.
* emulparams/armsymbian.sh: New file.
(rn_table, iwmmxt_table, cp_table, cn_table, fn_table, sn_table,
dn_table, mav_mvf_table, mac_mvd_table, mav_mvfx_table,
mav_mvax_table, mav_dspc_table): Initialise new field.
(insert_reg_alias): Initialise new field.
(md_pseudo_table): Add "unreq" entry.
(s_unreq): New function: Undo the effects of a previous .req.
* doc/c-arm.texi: Document new pseudo op.
* NEWS: Mention new feature.
* testsuite/gas/arm/req.s: New test file. Check .req and .unreq psuedo ops.
* testsuite/gas/arm/req.l: Expected error output from req.s test.
* testsuite/gas/arm/copro.d: Set target architecture for objdump so that the
test will work on architectures which cannot encode higher arm architecture
types in their file headers.
* testsuite/gas/arm/arm.exp: Run new req.s test.
Skip thumb instruction test for PE targets which do not support
thumb relocations.
* testsuite/gas/elf/elf.exp: Skip special handling of section2 test for XScale
targets - it is no longer needed.
(FPU_DEFAULT, case TE_NetBSD): Default to FPU_ARCH_VFP for ELF,
FPU_ARCH_FPA for AOUT.
(md_begin): Don't try to guess the floating point architecture from
the CPU if the OS ABI (Linux, NetBSD) mandates a particular form.
Move OBJ_COFF TC_FORCE_RELOCATION code here so that COFF handles
ARM_IMMEDIATE and ARM_ADRL_IMMEDIATE relocs as for ELF.
* config/tc-arm.h (TC_FORCE_RELOCATION): Define for both ELF and
COFF to call arm_force_relocation.
Do not issue reloc number of unimplemented BFD_RELOC_ARM_IMMEDIATE and
BFD_RELOC_ARM_OFFSET_IMM relocs - their name is already in the error message
- plus remove them from the default case.
Warn about unpredictable behavior of LDM and STM instructions.
do_mia, do_mar and do_mra respectively.
(do_mav_*): Renamed from do_c_*.
(mav_reg_required_here, mav_parse_offset): Renamed from
cirrus_reg_required_here and cirrus_parse_offset respectively.
(MAV_MODE?): Renamed from CIRRUS_MODE?.
* config/tc-arm.c (ARM_CEXT_XSCALE): Replaces ARM_EXT_XSCALE. All
uses changed.
(ARM_CEXT_MAVERICK): Similarly.
(ARM_ANY): Now means any core instruction.
(CPU_DEFAULT): Default to ARM_ANY.
(uses_apcs_26, atcps, support_interwork, uses_apcs_float)
(pic_code): Declare for all object types. Make type int.
(legacy_cpu, legacy_fpu, mcpu_cpu_opt, mcpu_fpu_opt, march_cpu_opt)
(march_fpu_opt, mfpu_opt): Declare.
(md_longopts): Tidy up conditional definitions.
(arm_opts, arm_cpus, arm_archs, arm_fpus, arm_extensions)
(arm_long_opts): New tables.
(arm_parse_cpu, arm_parse_arch, arm_parse_fpu): New functions.
(arm_parse_extension): New function.
(md_parse_option): Rewrite using new table-driven system.
(md_show_usage): Use new table-driven system.
(md_begin): Calculate cpu_variant from command line option data.
* doc/as.texinfo (ARM ISA options): Docuement new ARM-specific
command-line options.
* doc/c-arm.texi: Likewise.
Testsuite:
* gas/arm/vfp1.d: Use new command-line options.
* gas/arm/vfp1xD.d: Likewise.
* gas/arm/arm.exp (vfp-bad): Likewise.
* gas/arm/maverick.d: Likewise.
* tc-arm.h (md_operand): Delete define.
* tc-arm.c (in_my_get_expression): New static variable.
(my_get_expression): Set and clear it.
(md_operand): New function. If called from my_get_expression
put the error in inst.error.
(output_inst): Now takes argument of instruction being assembled.
Print it out with any error message.
(do_ldst, do_ldstv4, thumb_load_store): Fault attempt to use a store
with '=' syntax.
(end_of_line): Don't update inst.error if it is already set.
op that can be translated into a mvn instruction.
* gas/arm/ldconst.s gas/arm/ldconst.d: New files. Test ldr with
immediate pseudo-operations.
* gas/arm/arm.exp: Run it.
(int_register, cp_register, fp_register): Delete.
(reg_table): Delete. Replaced with ...
(rn_table, cp_table, cn_table, fn_table, mav_mvf_table)
(mav_mvd_table, mav_mvfx_table, mav_mvdx_table, mav_mvax_table)
(mav_dspsc_table): ... one table per register set.
(arm_reg_hsh): Delete.
(struct reg_map): New structure.
(all_reg_maps): New array.
(enum arm_reg_type): New enums.
(build_reg_hsh): New function.
(insert_reg_alias): Use hash table passed by caller. Adjust all
callers.
(create_register_alias): New function, split out from ...
(md_assemble): ... here.
(md_begin): Build new register hash tables.
(arm_reg_parse): New argument for the hash table to search. Adjust all
callers.
(arm_reg_parse_any): New function.
(co_proc_number): Look up the processor number in the processor hash
table.
(cirrus_regtype): Delete.
(cirrus_register, cirrus_mvf_register, cirrus_mvd_register)
(cirrus_mvfx_register, cirrus_mvdx_register, cirrus_mvax_register)
(ARM_EXT_MAVERICKsc_register): Delete.
(do_c_binops_1, do_c_binops_2, do_c_binops_3): Delete.
(do_c_binops_1[a-o], do_c_binops_2[a-c], do_c_binops_3[a-d]): New
functions.
(do_c_triple_4, do_c_triple_5): Delete.
(do_c_triple_4[ab], do_c_triple_5[a-h]): New functions.
(do_c_quad_6): Delete.
(do_c_quad_6[ab]): New functions.
(do_c_binops, do_c_triple, do_c_quad, do_c_shift, do_c_ldst): Rework
arguments to use new register parsing methods.
(cirrus_reg_required_here): Likewise.
(insns): Reclassify cirrus maverick worker functions.
(cirrus_valid_reg): Delete.
cond_offset. Rename variants->variant.
(insns): Adjust for new format. Explicitly code each variant that
takes flags. Remove temporary instructions.
(struct arm_it): Remove redundant field suffix.
(s_flag, ldr_flags, str_flags, byte_flag, cmp_flags, ldm_flags)
(stm_flags, lfm_flags, sfm_flags, round_flags, fix_flags, except_flag)
(long_flag): Delete.
(struct asm_flg): Delete.
(LONGEST_INST): Delete.
(V4_STR_BIT): Define.
(struct thumb_opcode): Rename variants->variant.
(do_empty): Renamed from do_nop.
(ldst_extend): Delete argument hwse. Split code for half-word and
signed byte instructions to ...
(ldst_extend_v4): ... here.
(ld_mode_required_here): Use ldst_extend_v4.
(do_ldrd): Simplify now that this is only called for ldrd. No
need to test for XScale, which was wrong anyway. Don't reject r12
as a target register. Add test that ldrd doesn't update an index
register.
(do_pld): Don't allow post-indexed or write-back addressing modes.
Adjust call to ldst_extend.
(do_adr): Split code for adrl to ...
(do_adrl): ... here.
(do_cmp): No need to fold in COND_BIT.
(do_ldst): Simplify. Split code for ldrt/strt into do_ldstt. Split
code to handle half-word and signed byte instructions to ...
(do_ldstv4): ... here.
(do_ldstt): New function. Handle load/store with translate.
(do_ldmstm): Write feature modification bits directly into
inst.instruction.
(do_fpa_ldst): Remove suffix handling code.
(do_fpa_dyadic, do_fpa_monadic, do_fpa_from_reg): Likewise.
(do_fpa_ldmstm): Type of access is now held in inst.instruction.
(build_arm_ops_hsh): New function.
(md_begin): Call it. Don't build the ARM opcode directly.
(md_assemble): Simplify ARM instruction handling.
(insns): Re-arrange instructions by archtitecture. Pld instruction
is part of ARMv5E.
(tinsns): blx and bkpt are part of ARMv5T.
(do_fp_{ctrl,ldst,ldstm,dyadic,monadic,cmp,from_reg,to_reg}): Rename
to do_fpa_*. All callers changed.
* tc-arm.c (insns): Add two temporary instructions to handle
ldrd/strd.
* tc-arm.c (ARM_EXT_LONGMUL, ARM_EXT_HALFWORD, ARM_EXT_THUMB): Delete.
(ARM_2UP, ARM_ALL, ARM_3UP, ARM_6UP): Delete.
(FPU_CORE, FPU_FPA10, FPA_FPA11, FPU_ALL, FPA_MEMMULTI): Delete.
(ARM_EXT_V{1,2,2S,3,3M,4,4T,5T,5ExP}): New defines.
(ARM_EXT_V{5,5E}): Synchronize with above.
(ARM_ARCH_V*): Define a complete set in terms of above features.
(ARM_{1,2,3,250,6,7,8,9,STRONG}): Define in terms of architecture.
(FPU_FPA_EXT_V[12]): Define.
(FPU_ARCH_FPE, FPU_ARCH_FPA): Define in terms of above.
(FPU_ANY): Define.
(FPU_DEFAULT): Default to FPA.
(CPU_DEFAULT): For XScale, this is now just ARM_ARCH_XSCALE; for
Thumb, this is now ARM_ARCH_V5T.
(insns): Rework for new feature defines.
(tinsns): Likewise.
(opcode_select, do_ldst, md_begin, md_parse_option): Likewise.
