| Age | Commit message (Collapse) | Author | Files | Lines |
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Similar to ARM/AARCH64, we add mapping symbols in the symbol table,
to mark the start addresses of data and instructions. The $d means
data, and the $x means instruction. Then the disassembler uses these
symbols to decide whether we should dump data or instruction.
Consider the mapping-04 test case,
$ cat tmp.s
.text
.option norelax
.option norvc
.fill 2, 4, 0x1001
.byte 1
.word 0
.balign 8
add a0, a0, a0
.fill 5, 2, 0x2002
add a1, a1, a1
.data
.word 0x1 # No need to add mapping symbols.
.word 0x2
$ riscv64-unknown-elf-as tmp.s -o tmp.o
$ riscv64-unknown-elf-objdump -d tmp.o
Disassembly of section .text:
0000000000000000 <.text>:
0: 00001001 .word 0x00001001 # Marked $d, .fill directive.
4: 00001001 .word 0x00001001
8: 00000001 .word 0x00000001 # .byte + part of .word.
c: 00 .byte 0x00 # remaining .word.
d: 00 .byte 0x00 # Marked $d, odd byte of alignment.
e: 0001 nop # Marked $x, nops for alignment.
10: 00a50533 add a0,a0,a0
14: 20022002 .word 0x20022002 # Marked $d, .fill directive.
18: 20022002 .word 0x20022002
1c: 2002 .short 0x2002
1e: 00b585b3 add a1,a1,a1 # Marked $x.
22: 0001 nop # Section tail alignment.
24: 00000013 nop
* Use $d and $x to mark the distribution of data and instructions.
Alignments of code are recognized as instructions, since we usually
fill nops for them.
* If the alignment have odd bytes, then we cannot just fill the nops
into the spaces. We always fill an odd byte 0x00 at the start of
the spaces. Therefore, add a $d mapping symbol for the odd byte,
to tell disassembler that it isn't an instruction. The behavior
is same as Arm and Aarch64.
The elf/linux toolchain regressions all passed. Besides, I also
disable the mapping symbols internally, but use the new objudmp, the
regressions passed, too. Therefore, the new objudmp should dump
the objects corretly, even if they don't have any mapping symbols.
bfd/
pr 27916
* cpu-riscv.c (riscv_elf_is_mapping_symbols): Define mapping symbols.
* cpu-riscv.h: extern riscv_elf_is_mapping_symbols.
* elfnn-riscv.c (riscv_maybe_function_sym): Do not choose mapping
symbols as a function name.
(riscv_elf_is_target_special_symbol): Add mapping symbols.
binutils/
pr 27916
* testsuite/binutils-all/readelf.s: Updated.
* testsuite/binutils-all/readelf.s-64: Likewise.
* testsuite/binutils-all/readelf.s-64-unused: Likewise.
* testsuite/binutils-all/readelf.ss: Likewise.
* testsuite/binutils-all/readelf.ss-64: Likewise.
* testsuite/binutils-all/readelf.ss-64-unused: Likewise.
gas/
pr 27916
* config/tc-riscv.c (make_mapping_symbol): Create a new mapping symbol.
(riscv_mapping_state): Decide whether to create mapping symbol for
frag_now. Only add the mapping symbols to text sections.
(riscv_add_odd_padding_symbol): Add the mapping symbols for the
riscv_handle_align, which have odd bytes spaces.
(riscv_check_mapping_symbols): Remove any excess mapping symbols.
(md_assemble): Marked as MAP_INSN.
(riscv_frag_align_code): Marked as MAP_INSN.
(riscv_init_frag): Add mapping symbols for frag, it usually called
by frag_var. Marked as MAP_DATA for rs_align and rs_fill, and
marked as MAP_INSN for rs_align_code.
(s_riscv_insn): Marked as MAP_INSN.
(riscv_adjust_symtab): Call riscv_check_mapping_symbols.
* config/tc-riscv.h (md_cons_align): Defined to riscv_mapping_state
with MAP_DATA.
(TC_SEGMENT_INFO_TYPE): Record mapping state for each segment.
(TC_FRAG_TYPE): Record the first and last mapping symbols for the
fragments. The first mapping symbol must be placed at the start
of the fragment.
(TC_FRAG_INIT): Defined to riscv_init_frag.
* testsuite/gas/riscv/mapping-01.s: New testcase.
* testsuite/gas/riscv/mapping-01a.d: Likewise.
* testsuite/gas/riscv/mapping-01b.d: Likewise.
* testsuite/gas/riscv/mapping-02.s: Likewise.
* testsuite/gas/riscv/mapping-02a.d: Likewise.
* testsuite/gas/riscv/mapping-02b.d: Likewise.
* testsuite/gas/riscv/mapping-03.s: Likewise.
* testsuite/gas/riscv/mapping-03a.d: Likewise.
* testsuite/gas/riscv/mapping-03b.d: Likewise.
* testsuite/gas/riscv/mapping-04.s: Likewise.
* testsuite/gas/riscv/mapping-04a.d: Likewise.
* testsuite/gas/riscv/mapping-04b.d: Likewise.
* testsuite/gas/riscv/mapping-norelax-04a.d: Likewise.
* testsuite/gas/riscv/mapping-norelax-04b.d: Likewise.
* testsuite/gas/riscv/no-relax-align.d: Updated.
* testsuite/gas/riscv/no-relax-align-2.d: Likewise.
include/
pr 27916
* opcode/riscv.h (enum riscv_seg_mstate): Added.
opcodes/
pr 27916
* riscv-dis.c (last_map_symbol, last_stop_offset, last_map_state):
Added to dump sections with mapping symbols.
(riscv_get_map_state): Get the mapping state from the symbol.
(riscv_search_mapping_symbol): Check the sorted symbol table, and
then find the suitable mapping symbol.
(riscv_data_length): Decide which data size we should print.
(riscv_disassemble_data): Dump the data contents.
(print_insn_riscv): Handle the mapping symbols.
(riscv_symbol_is_valid): Marked mapping symbols as invalid.
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Since gcc commit, 3c70b3ca1ef58f302bf8c16d9e7c7bb8626408bf, we now enable
elf attributes for all riscv targets by default in gcc. Therefore, I
think binutils should have the same behavior, in case users are writing
assembly files. If --enable-default-riscv-attribute isn't set, then we
enable the elf attributes for all riscv targets by default.
ChangLog:
binutils/
* testsuite/binutils-all/readelf.s: Add comments for riscv.
* testsuite/binutils-all/readelf.s-64: Likewise.
* testsuite/binutils-all/readelf.s-64-unused: Likewise.
* testsuite/binutils-all/readelf.ss: Likewise.
* testsuite/binutils-all/readelf.ss-64: Likewise.
* testsuite/binutils-all/readelf.ss-64-unused: Likewise.
gas/
* configure.ac: If --enable-default-riscv-attribute isn't set,
then we enable the elf attributes for all riscv targets by
default.
* configure: Regenerated.
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For ELF targets, section symbols are required only for relocations.
With -ffunction-sections -fdata-sections, there can be many unused
section symbols. Sizes of libstdc++.a on Linux/x86-64 in GCC 11 are
With unused section symbols : 39411698 bytes
Without unused section symbols: 39227002 bytes
The unused section symbols in libstdc++.a occupy more than 180 KB.
Add BSF_SECTION_SYM_USED to indicate if a section symbol should be
included in the symbol table. The BSF_SECTION_SYM_USED should be set
if the section symbol is used for relocation or the section symbol is
always included in the symbol table.
Add keep_unused_section_symbols to bfd_target to indicate if unused
section symbols should be kept. If TARGET_KEEP_UNUSED_SECTION_SYMBOLS
is defined as FALSE, unused ection symbols will be removed.
Tested on Linux/x86. Other ELF backends need to:
1. Define TARGET_KEEP_UNUSED_SECTION_SYMBOLS to FALSE.
2. Mark used section symbols in assembler backend.
3. Remove unused section symbols from expected assembler and linker
outputs.
bfd/
PR 27109
* aix386-core.c (core_aix386_vec): Initialize
keep_unused_section_symbol to TARGET_KEEP_UNUSED_SECTION_SYMBOLS.
* aout-target.h (MY (vec)): Likewise.
* binary.c (binary_vec): Likewise.
* cisco-core.c (core_cisco_be_vec): Likewise.
(core_cisco_le_vec): Likewise.
* coff-alpha.c (alpha_ecoff_le_vec): Likewise.
* coff-i386.c (TARGET_SYM): Likewise.
(TARGET_SYM_BIG): Likewise.
* coff-ia64.c (TARGET_SYM): Likewise.
* coff-mips.c (mips_ecoff_le_vec): Likewise.
(mips_ecoff_be_vec): Likewise.
(mips_ecoff_bele_vec): Likewise.
* coff-rs6000.c (rs6000_xcoff_vec): Likewise.
(powerpc_xcoff_vec): Likewise.
* coff-sh.c (sh_coff_small_vec): Likewise.
(sh_coff_small_le_vec): Likewise.
* coff-tic30.c (tic30_coff_vec): Likewise.
* coff-tic54x.c (tic54x_coff0_vec): Likewise.
(tic54x_coff0_beh_vec): Likewise.
(tic54x_coff1_vec): Likewise.
(tic54x_coff1_beh_vec): Likewise.
(tic54x_coff2_vec): Likewise.
(tic54x_coff2_beh_vec): Likewise.
* coff-x86_64.c (TARGET_SYM): Likewise.
(TARGET_SYM_BIG): Likewise.
* coff64-rs6000.c (rs6000_xcoff64_vec): Likewise.
(rs6000_xcoff64_aix_vec): Likewise.
* coffcode.h (CREATE_BIG_COFF_TARGET_VEC): Likewise.
(CREATE_BIGHDR_COFF_TARGET_VEC): Likewise.
(CREATE_LITTLE_COFF_TARGET_VEC): Likewise.
* elfxx-target.h (TARGET_BIG_SYM): Likewise.
(TARGET_LITTLE_SYM): Likewise.
* hppabsd-core.c (core_hppabsd_vec): Likewise.
* hpux-core.c (core_hpux_vec): Likewise.
* i386msdos.c (i386_msdos_vec): Likewise.
* ihex.c (ihex_vec): Likewise.
* irix-core.c (core_irix_vec): Likewise.
* mach-o-target.c (TARGET_NAME): Likewise.
* mmo.c (mmix_mmo_vec): Likewise.
* netbsd-core.c (core_netbsd_vec): Likewise.
* osf-core.c (core_osf_vec): Likewise.
* pdp11.c (MY (vec)): Likewise.
* pef.c (pef_vec): Likewise.
(pef_xlib_vec): Likewise.
* plugin.c (plugin_vec): Likewise.
* ppcboot.c (powerpc_boot_vec): Likewise.
* ptrace-core.c (core_ptrace_vec): Likewise.
* sco5-core.c (core_sco5_vec): Likewise.
* som.c (hppa_som_vec): Likewise.
* srec.c (srec_vec): Likewise.
(symbolsrec_vec): Likewise.
* tekhex.c (tekhex_vec): Likewise.
* trad-core.c (core_trad_vec): Likewise.
* verilog.c (verilog_vec): Likewise.
* vms-alpha.c (alpha_vms_vec): Likewise.
* vms-lib.c (alpha_vms_lib_txt_vec): Likewise.
* wasm-module.c (wasm_vec): Likewise.
* xsym.c (sym_vec): Likewise.
* elf.c (ignore_section_sym): Return TRUE if BSF_SECTION_SYM_USED
isn't set.
(elf_map_symbols): Don't include ignored section symbols.
* elfcode.h (elf_slurp_symbol_table): Also set
BSF_SECTION_SYM_USED on STT_SECTION symbols.
* elflink.c (bfd_elf_final_link): Generated section symbols only
when emitting relocations or reqired.
* elfxx-x86.h (TARGET_KEEP_UNUSED_SECTION_SYMBOLS): New.
* syms.c (BSF_SECTION_SYM_USED): New.
* targets.c (TARGET_KEEP_UNUSED_SECTION_SYMBOLS): New.
(bfd_target): Add keep_unused_section_symbols.
(bfd_keep_unused_section_symbols): New.
* bfd-in2.h: Regenerated.
binutils/
PR 27109
* objcopy.c (copy_object): Handle section symbols for
non-relocatable inputs.
* testsuite/binutils-all/readelf.exp (readelf_test): Check
is_elf_unused_section_symbols.
* testsuite/binutils-all/readelf.s-64: Updated.
* testsuite/binutils-all/readelf.ss: Likewise.
* testsuite/binutils-all/readelf.ss-64: Likewise.
* testsuite/binutils-all/readelf.s-64-unused: New file.
* testsuite/binutils-all/readelf.ss-64-unused: Likewise.
* testsuite/binutils-all/readelf.ss-unused: Likewise.
* testsuite/lib/binutils-common.exp
(is_elf_unused_section_symbols): New proc.
gas/ChangeLog:
PR 27109
* read.c (s_reloc): Call symbol_mark_used_in_reloc on the
section symbol.
* subsegs.c (subseg_set_rest): Set BSF_SECTION_SYM_USED if needed.
* write.c (adjust_reloc_syms): Call symbol_mark_used_in_reloc
on the section symbol.
(set_symtab): Don't generate unused section symbols.
(maybe_generate_build_notes): Call symbol_mark_used_in_reloc
on the section symbol.
* config/obj-elf.c (elf_adjust_symtab): Call
symbol_mark_used_in_reloc on the group signature symbol.
* testsuite/gas/cfi/cfi-label.d: Remove unused section symbols
from expected output.
* testsuite/gas/elf/elf.exp (run_elf_list_test): Check
is_elf_unused_section_symbols.
* testsuite/gas/elf/section2.e: Updated.
* testsuite/gas/elf/section2.e-unused: New file.
* testsuite/gas/elf/symver.d: Remove unused section symbols.
* testsuite/gas/i386/ilp32/elf/symver.d: Likewise.
* testsuite/gas/i386/ilp32/x86-64-size-1.d: Likewise.
* testsuite/gas/i386/ilp32/x86-64-size-3.d: Likewise.
* testsuite/gas/i386/ilp32/x86-64-size-5.d: Likewise.
* testsuite/gas/i386/ilp32/x86-64-unwind.d: Likewise.
* testsuite/gas/i386/size-1.d: Likewise.
* testsuite/gas/i386/size-3.d: Likewise.
* testsuite/gas/i386/svr4.d: Likewise.
* testsuite/gas/i386/x86-64-size-1.d: Likewise.
* testsuite/gas/i386/x86-64-size-3.d: Likewise.
* testsuite/gas/i386/x86-64-size-5.d: Likewise.
* testsuite/gas/i386/x86-64-unwind.d: Likewise.
ld/
PR 27109
* testsuite/ld-elf/export-class.sd: Adjust the expected output.
* testsuite/ld-elf/loadaddr3b.d: Likewise.
* testsuite/ld-i386/ibt-plt-1.d: Likewise.
* testsuite/ld-i386/ibt-plt-2a.d: Likewise.
* testsuite/ld-i386/ibt-plt-2c.d: Likewise.
* testsuite/ld-i386/ibt-plt-3a.d: Likewise.
* testsuite/ld-i386/ibt-plt-3c.d: Likewise.
* testsuite/ld-i386/pr19636-1d.d: Likewise.
* testsuite/ld-i386/pr19636-1l.d: Likewise.
* testsuite/ld-i386/pr19636-2c.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-i386-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-local-i386-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-local-x86-64-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-x86-64-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-21-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-22-x86-64.d: Likewise.
* testsuite/ld-ifunc/pr17154-i386-now.d: Likewise.
* testsuite/ld-ifunc/pr17154-i386.d: Likewise.
* testsuite/ld-ifunc/pr17154-x86-64-now.d: Likewise.
* testsuite/ld-ifunc/pr17154-x86-64.d: Likewise.
* testsuite/ld-x86-64/bnd-branch-1-now.d: Likewise.
* testsuite/ld-x86-64/bnd-ifunc-1-now.d: Likewise.
* testsuite/ld-x86-64/bnd-ifunc-2-now.d: Likewise.
* testsuite/ld-x86-64/bnd-ifunc-2.d: Likewise.
* testsuite/ld-x86-64/bnd-plt-1-now.d: Likewise.
* testsuite/ld-x86-64/bnd-plt-1.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-1-x32.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-1.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-2a-x32.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-2a.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-2c-x32.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-2c.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-3a-x32.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-3a.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-3c-x32.d: Likewise.
* testsuite/ld-x86-64/ibt-plt-3c.d: Likewise.
* testsuite/ld-x86-64/pr19609-4e.d: Likewise.
* testsuite/ld-x86-64/pr19609-6a.d: Likewise.
* testsuite/ld-x86-64/pr19609-6b.d: Likewise.
* testsuite/ld-x86-64/pr19609-7b.d: Likewise.
* testsuite/ld-x86-64/pr19609-7d.d: Likewise.
* testsuite/ld-x86-64/pr19636-2l.d: Likewise.
* testsuite/ld-x86-64/pr20253-1d.d: Likewise.
* testsuite/ld-x86-64/pr20253-1h.d: Likewise.
* testsuite/ld-x86-64/pr21038b-now.d: Likewise.
* testsuite/ld-x86-64/pr21038b.d: Likewise.
* testsuite/ld-x86-64/pr21038c-now.d: Likewise.
* testsuite/ld-x86-64/pr21038c.d: Likewise.
* testsuite/ld-x86-64/pr23854.d: Likewise.
* testsuite/ld-x86-64/pr25416-3.d: Likewise.
* testsuite/ld-x86-64/pr25416-4.d: Likewise.
* testsuite/ld-i386/plt-pic.pd: Likewise.
* testsuite/ld-i386/plt-pic2.dd: Likewise.
* testsuite/ld-i386/plt.pd: Likewise.
* testsuite/ld-i386/plt2.dd: Likewise.
* testsuite/ld-i386/tlsbin.rd: Likewise.
* testsuite/ld-i386/tlsbin2.rd: Likewise.
* testsuite/ld-i386/tlsbindesc.rd: Likewise.
* testsuite/ld-i386/tlsdesc.rd: Likewise.
* testsuite/ld-i386/tlsgdesc.rd: Likewise.
* testsuite/ld-i386/tlsnopic.rd: Likewise.
* testsuite/ld-i386/tlspic.rd: Likewise.
* testsuite/ld-i386/tlspic2.rd: Likewise.
* testsuite/ld-x86-64/mpx3.dd: Likewise.
* testsuite/ld-x86-64/mpx3n.dd: Likewise.
* testsuite/ld-x86-64/mpx4.dd: Likewise.
* testsuite/ld-x86-64/mpx4n.dd: Likewise.
* testsuite/ld-x86-64/pe-x86-64-1.od: Likewise.
* testsuite/ld-x86-64/pe-x86-64-2.od: Likewise.
* testsuite/ld-x86-64/pe-x86-64-3.od: Likewise.
* testsuite/ld-x86-64/pe-x86-64-4.od: Likewise.
* testsuite/ld-x86-64/plt.pd: Likewise.
* testsuite/ld-x86-64/plt2.dd: Likewise.
* testsuite/ld-x86-64/tlsbin.rd: Likewise.
* testsuite/ld-x86-64/tlsbin2.rd: Likewise.
* testsuite/ld-x86-64/tlsbindesc.rd: Likewise.
* testsuite/ld-x86-64/tlsdesc.rd: Likewise.
* testsuite/ld-x86-64/tlsgdesc.rd: Likewise.
* testsuite/ld-x86-64/tlspic.rd: Likewise.
* testsuite/ld-x86-64/tlspic2.rd: Likewise.
* testsuite/ld-elf/sec64k.exp: Check
is_elf_unused_section_symbols.
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parameter, specifying the starting symbol for disassembly. Disassembly will continue from this symbol up to the next symbol.
* objdump.c (long_options): Have the --disassemble option take an
optional argument.
(usage): Add description for the `symbol' argument to the
--disassemble option.
(disasm_sym): New file private variable.
(struct objdump_disasm_info): New field `symbol'.
(disassemble_section): Introduce `do_print' local variable
to control whether objdump displays the result of disassembling
for a symbol or not.
(main): Set `symbol' file private variable if the option argument
for the --disassemble option is given.
* doc/binutils.texi (objdump): Add description for the option
argument.
* NEWS: Mention the new feature.
* testsuite/binutils-all/objdump.exp: Add tests of the -d and
--disassemble=<symbol> options.
* testsuite/binutils-all/bintest.s: Add more symbols and code.
* testsuite/binutils-all/readelf.s: Update expected output.
* testsuite/binutils-all/readelf.ss-64: Likewise.
* testsuite/binutils-all/readelf.ss-mips: Likewise.
* testsuite/binutils-all/readelf.ss-tmips: Likewise.
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* binutils-all/readelf.ss: Add skip of MSP430 defined symbols.
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the moment)
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bfd/
* elf32-arm.c: Move #include "elf/arm.h" after libbfd.h.
(NUM_KNOWN_ATTRIBUTES): Define.
(aeabi_attribute, aeabi_attribute_list): Define.
(elf32_arm_obj_tdata): Add known_eabi_attributes and
other_eabi_attributes.
(uleb128_size, is_default_attr, eabi_attr_size,
elf32_arm_eabi_attr_size, write_uleb128, write_eabi_attribute,
elf32_arm_set_eabi_attr_contents, elf32_arm_bfd_final_link,
elf32_arm_new_eabi_attr, attr_strdup, elf32_arm_add_eabi_attr_int,
elf32_arm_add_eabi_attr_compat, copy_eabi_attributes,
elf32_arm_merge_eabi_attributes): New functions.
(elf32_arm_copy_private_bfd_data): Copy EABI object attributes.
(elf32_arm_fake_sections): Handle .ARM.attributes.
(elf32_arm_parse_attributes): New function.
(elf32_arm_section_from_shdr): Use it.
(bfd_elf32_bfd_final_link): Define.
gas/
* config/tc-arm.c: Don't provide fallback default for CPU_DEFAULT.
(arm_arch_used, thumb_arch_used, selected_cpu, selected_cpu_name):
New variables.
(arm_cpu_option_table): Add canonical_name.
(arm_cpus): Populate canonical_name field.
(s_arm_eabi_attribute, s_arm_arch, s_arm_cpu, s_arm_fpu,
aeabi_set_public_attributes, arm_md_end): New functions.
(md_pseudo_table): Add "cpu", "arch", "fpu" and "eabi_attribute".
(md_assemble): Set thumb_arch_used and arm_arch_used.
(md_begin): Set defaut cpu if CPU_DEFAULT not defined.
* config/tc-arm.h (md_end): Define.
* doc/c-arm.texi: Document .cpu, .arch, .fpu and .eabi_attribute.
gas/testsuite/
* gas/arm/eabi_attr_1.s: New test.
* gas/arm/eabi_attr_1.d: New test.
* gas/arm/arm7t.d: Only disassemble code sections.
* gas/arm/bignum1.d: Ignore Arm object attribute sections.
* gas/arm/mapping.d: Ditto.
* gas/arm/unwind.d: Ditto.
* gas/elf/section0.d: Ditto.
* gas/elf/section1.d: Ditto.
* gas/elf/elf.exp: Set target_machine for Arm EABI based targets.
* gas/elf/section2.e-armeabi: New file.
include/elf/
* arm.h: Add prototypes for BFD object attribute routines.
ld/testsuite/
* ld-arm/arm-rel31.d: Ignore Arm object attribute sections.
* ld-arm/arm-target1-abs.d: Ditto.
* ld-arm/arm-target1-rel.d: Ditto.
* ld-arm/arm-target2-abs.d: Ditto.
* ld-arm/arm-target2-got-rel.d: Ditto.
* ld-arm/arm-target2-rel.d: Ditto.
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* readelf.c (dump_relocations): Support SHN_IA_64_ANSI_COMMON.
(get_symbol_index_type): Likewise.
testsuites/
2003-09-29 H.J. Lu <hongjiu.lu@intel.com>
* binutils-all/readelf.exp: Use is_elf_format.
* binutils-all/readelf.h: Support IA64/ILP32.
* binutils-all/readelf.s: Likewise.
* binutils-all/readelf.ss: Likewise.
* lib/utils-lib.exp (proc is_elf_format): Copy from ld
testsuite. Add ia64-*-hpux*.
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