* infrun.c (insert_step_resume_breakpoint_at_caller): New function,
based on insert_step_resume_breakpoint_at_frame.
(handle_inferior_event): Update comments. Use
insert_step_resume_breakpoint_at_caller.
(insert_step_resume_breakpoint_at_frame): Revise comments.
Mark Shinwell [Thu, 15 Jun 2006 11:03:02 +0000 (11:03 +0000)]
* include/elf/arm.h: Correct names of R_ARM_LDC_G{0,1,2}
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.
Thiemo Seufer [Wed, 14 Jun 2006 18:04:44 +0000 (18:04 +0000)]
* gas/mips/elf-rel6.d, gas/mips/elf-rel6.s: Extend testcase.
* gas/mips/elf-rel6.d-n32.d, gas/mips/elf-rel6-n64.d: New files.
* gas/mips/mips.exp: Run new testcases.
Fred Fish [Tue, 13 Jun 2006 18:17:20 +0000 (18:17 +0000)]
Approved by Daniel Jacobowitz.
2006-06-13 Fred Fish <fnf@specifix.com>
* mips-tdep.c (mips_find_long_section): New function.
(mips_gdbarch_init): Use it to set long and pointer sizes.
Nathan Sidwell [Tue, 13 Jun 2006 08:55:22 +0000 (08:55 +0000)]
gdb/
* remote-file.io.c (remote_fileio_func_system): Treat zero length
string as NULL. Adjust for NULL pointer argument.
* doc/gdb.texinfo (system): Document behaviour with zero length
string.
gdb/testsuite/
* gdb.base/fileio.c: Add system(NULL) test.
* gdb.base/fileio.exp: Check it.
Nathan Sidwell [Tue, 13 Jun 2006 08:46:17 +0000 (08:46 +0000)]
* gdb.base/break.c: Add 10a breakpoint at }
* gdb.base/break.exp: Add test for breakpoint at }
* gdb.cp/anon-union.cc: Add code at end of function.
* gdb.cp/anon-union.exp: Adjust end of function breakpoint.
* gdb.mi/var-cmd.c: Add code at end of function.
* gdb.mi/mi-var-display.exp: Adjust end of next.
* gdb.mi/mi2-var-display.exp: Likewise.
* gdb.base/fileio.c: Add stop function and insert calls at
stopping places.
* gdb.base/fileio.exp: Breakpoint stop function and remove
explicit line number references.
* remote.c (set_remote_protocol_packet_cmd)
(show_remote_protocol_packet_cmd): New prototypes.
(remote_set_cmdlist, remote_show_cmdlist): Move higher.
(struct packet_config): Make name and title const.
(add_packet_config_cmd): Remove unnecessary arguments.
(_initialize_remote): Update calls.
Fred Fish [Mon, 12 Jun 2006 12:36:26 +0000 (12:36 +0000)]
Reviewed and approved by Daniel Jacobowitz and Thiemo Seufer
2006-06-12 Fred Fish <fnf@specifix.com>
* emulparams/elf32bmip.sh (OTHER_SECTIONS): Keep the
".mdebug.<abi>" and ".gcc_compiled_long<size>" sections
generated by mips gcc.
Thiemo Seufer [Mon, 12 Jun 2006 11:35:45 +0000 (11:35 +0000)]
[ bfd/ChangeLog ]
* elf32-mips.c: Expand comment about ABI-mandated pagesize values.
(ELF_MAXPAGESIZE, ELF_COMMONPAGESIZE): define in a more obvious way.
* elf64-mips.c, elfn32-mips.c (ELF_MAXPAGESIZE): Fix value for IRIX6.
Delete old comments.
(ELF_COMMONPAGESIZE): Define in a more obvious way.
Nick Clifton [Mon, 12 Jun 2006 11:12:51 +0000 (11:12 +0000)]
PR binutils/2735
* elflink.c (elf_link_add_object_symbols): Fix the warning message about
mismatched alignments to allow for the case where the common alignment
has been deduced from the section alignment.
* bfd.c (_bfd_default_error_handler): Update comment to explain why bfd
and asection varargs are out of order.
Explicitly catch and abort on NULL bfd and asection arguments.
bfd/
* elfxx-mips.c (mips_elf_link_hash_table): Add function_stub_size.
(STUB_ORI): New macro.
(STUB_LI16U): Fix formatting.
(MIPS_FUNCTION_STUB_SIZE): Delete.
(MIPS_FUNCTION_STUB_MAX_SIZE): Likewise.
(MIPS_FUNCTION_STUB_NORMAL_SIZE): New macro.
(MIPS_FUNCTION_STUB_BIG_SIZE): Likewise.
(_bfd_mips_elf_adjust_dynamic_symbol): Use htab->function_stub_size
instead of MIPS_FUNCTION_STUB_SIZE.
(count_section_dynsyms): New function, split out from
_bfd_mips_elf_final_link.
(_bfd_mips_elf_always_size_sections): Get a worst-case estimate
of the number of dynamic symbols needed and use it to set up
function_stub_size. Use function_stub_size rather than
MIPS_FUNCTION_STUB_SIZE to determine the size of the stub section.
Use 16-byte stubs for 0x10000 dynamic symbols.
(_bfd_mips_elf_size_dynamic_sections): Use htab->function_stub_size
instead of MIPS_FUNCTION_STUB_SIZE. Fix formatting.
(_bfd_mips_elf_finish_dynamic_symbol): Likewise. Change the
size of the stub buffer from MIPS_FUNCTION_STUB_MAX_SIZE to
MIPS_FUNCTION_STUB_BIG_SIZE. Tweak the check for unhandled dynindxes.
Use MIPS_FUNCTION_STUB_BIG_SIZE rather than a hard-coded 20.
Use STUB_ORI rather than STUB_LI16U for big stubs.
(_bfd_mips_elf_link_hash_table_create): Initialize function_stub_size.
(_bfd_mips_elf_final_link): Use count_section_dynsyms.
ld/testsuite/
* ld-mips-elf/stub-dynsym-1.s,
* ld-mips-elf/stub-dynsym-1.ld,
* ld-mips-elf/stub-dynsym-1-7fff.d,
* ld-mips-elf/stub-dynsym-1-8000.d,
* ld-mips-elf/stub-dynsym-1-fff0.d,
* ld-mips-elf/stub-dynsym-1-10000.d,
* ld-mips-elf/stub-dynsym-1-2fe80.d: New test.
* ld-mips-elf/mips-elf.exp: Run it.
[ gas/testsuite/ChangeLog ]
* gas/mips/mips32-sf32.s, gas/mips/mips32-sf32.d: New test for odd
single precision FPRs on MIPS32.
* gas/mips/mips.exp: Run them.
Alan Modra [Fri, 9 Jun 2006 01:13:39 +0000 (01:13 +0000)]
* ldlang.h (lang_input_statement_type): Use bitfields for booleans.
* ldlang.c (struct out_section_hash_entry): Rename from
output_statement_hash_entry. Delete output_section_statement_type
entry. Add statement_union_type entry. Adjust all users.
(output_section_statement_table): Rename from output_statement_table.
Adjust all users.
(output_section_statement_newfunc): Rename from
output_statement_newfunc. Adjust all users.
(output_section_statement_table_init): Rename from
output_statement_table_init. Adjust all users.
(output_section_statement_table_free): Rename from
output_statement_table_free. Adjust all users.
David Daney [Thu, 8 Jun 2006 23:51:25 +0000 (23:51 +0000)]
* elfxx-mips.c (STUB_LI16): Removed.
(STUB_LUI): New macro.
(STUB_LI16U): Ditto.
(STUB_LI16S): Ditto.
(MIPS_FUNCTION_STUB_SIZE): Rewrote to take info parameter.
(_bfd_mips_elf_adjust_dynamic_symbol): Pass info parameter to
MIPS_FUNCTION_STUB_SIZE.
(_bfd_mips_elf_always_size_sections): Ditto.
(_bfd_mips_elf_size_dynamic_sections): Ditto.
(_bfd_mips_elf_finish_dynamic_sections): Ditto.
(_bfd_mips_elf_finish_dynamic_symbol): Rewrote stub generation
to allow larger symbol table indexes.
Nathan Sidwell [Thu, 8 Jun 2006 19:11:45 +0000 (19:11 +0000)]
* m68k-tdep.c (m68k_dwarf_reg_to_regnum): New.
(m68k_gdbarch_init): Set it for dwarf & dwarf2 reg number
conversion. Use M68K_NUM_REGS for number of regs.
* (struct remote_state): New type, only containing
buf and buf_size.
(remote_state): New variable.
(get_remote_state): New function.
(struct remote_arch_state): Renamed from struct remote_state.
Removed buf and buf_size.
(get_remote_arch_state): Renamed from get_remote_state. All
necessary callers updated to call this function.
(init_remote_state): Initialize the architecture-specific state.
Update the target-specific state if necessary.
(get_remote_packet_size): New function. All previous references
changed to use this accessor function.
(packet_reg_from_regnum, packet_reg_from_pnum): Take a
remote_arch_state instead of a remote_state. All callers changed.
(_initialize_remote): Initialize the packet buffer here.
Carlos O'Donell [Wed, 7 Jun 2006 22:33:16 +0000 (22:33 +0000)]
2006-06-07 Carlos O'Donell <carlos@codesourcery.com>
Sync from gcc:
2006-06-06 David Ayers <d.ayers@inode.at>
PR libobjc/13946
* Makefile.def: Add dependencies for libobjc which boehm-gc.
* Makefile.in: Regenerate.
* configure.in: Add --enable-objc-gc at toplevel and have it
enable boehm-gc for Objective-C.
Remove target-boehm-gc from libgcj.
Add target-boehm-gc to target_libraries.
Add target-boehm-gc to noconfigdirs where ${libgcj}
is specified.
Assert that boehm-gc is supported when requested for Objective-C.
Only build boehm-gc if needed either for Java or Objective-C.
* configure: Regenerate.
2006-06-05 Paolo Bonzini <bonzini@gnu.org>
PR 27674
* Makefile.tpl (configure-[+prefix+][+module+],
all-[+prefix+][+module+]): Depend on stage_current if bootstrapping.
Remove rule to unstage bootstrapped modules.
(stage_current): New.
* Makefile.in: Regenerate.
2006-05-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Andreas Tobler <a.tobler@schweiz.ch>
* configure.in: Enable libgcj for hppa*-hp-hpux11*.
* configure: Rebuilt.
Revert
2006-01-31 Richard Guenther <rguenther@suse.de>
Paolo Bonzini <bonzini@gnu.org>
Julian Brown [Wed, 7 Jun 2006 14:32:28 +0000 (14:32 +0000)]
* config/tc-arm.c (stdarg.h): include.
(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.
Julian Brown [Wed, 7 Jun 2006 14:31:51 +0000 (14:31 +0000)]
* gas/arm/itblock.s: New file. Helper macro for making all-true IT
blocks.
* gas/arm/neon-cond-bad-inc.s: New test. Make sure unconditional
Neon instructions are rejected...
* gas/arm/neon-cond-bad.s: In ARM mode, and...
* gas/arm/neon-cond-bad_t2.s: Accepted in Thumb mode (with IT).
* gas/arm/neon-cond-bad.l: Expected error output in ARM mode.
* gas/arm/neon-cond-bad.d: Control ARM mode test.
* gas/arm/neon-cond-bad_t2.d: Expected output in Thumb mode.
* gas/arm/vfp-neon-syntax-inc.s: Test VFP Neon-style syntax.
* gas/arm/vfp-neon-syntax.s: ...in ARM mode.
* gas/arm/vfp-neon-syntax_t2.s: ...and Thumb mode.
* gas/arm/vfp-neon-syntax.d: Expected output in ARM mode.
* gas/arm/vfp-neon-syntax_t2.d: Expected output in Thumb mode.
Nathan Sidwell [Tue, 6 Jun 2006 10:03:06 +0000 (10:03 +0000)]
* gdb/remote.c (remote_insert_watchpoint): Return -1, rather than
fatal error if packet is disabled.
(remote_remove_watchpoint, remote_insert_hw_breakpoint,
remote_remove_hw_breakpoint): Likewise.
Alan Modra [Tue, 6 Jun 2006 02:53:01 +0000 (02:53 +0000)]
* elf.c (_bfd_elf_init_private_section_data): Comment typo.
(elfcore_grok_nto_status): Use long instead of pid_t.
(elfcore_grok_nto_regs, elfcore_grok_nto_note): Likewise.
Alan Modra [Tue, 6 Jun 2006 02:24:33 +0000 (02:24 +0000)]
* ldlang.c (init_os): Whitespace.
(map_input_to_output_sections): Don't init_os for lang_input_section.
(print_all_symbols): Remove forward declaration. Convert to ISO C.
Thiemo Seufer [Mon, 5 Jun 2006 16:28:36 +0000 (16:28 +0000)]
[ gas/ChangeLog ]
* config/tc-mips.c (macro_build): Use INSERT_OPERAND wherew
appropriate.
(mips16_macro_build): Use MIPS16_INSERT_OPERAND where appropriate.
(mips_ip): Make overflowed/underflowed constant arguments in DSP
and MT instructions a fatal error. Use INSERT_OPERAND where
appropriate. Improve warnings for break and wait code overflows.
Use symbolic constant of OP_MASK_COPZ.
(mips16_ip): Use MIPS16_INSERT_OPERAND where appropriate.
Alan Modra [Mon, 5 Jun 2006 12:53:50 +0000 (12:53 +0000)]
* ld-elf/sec64k.exp: Add "main" symbol. Use dc.a for addresses.
Cater for different address sizes. Match end of line when
comparing symbols.
* ld-elf/start.s: Use dc.a for addresses.