The stub size in GO32 executables has historically been fixed at 2048
bytes, due to hardcoded limitations in bfd. Recent patches to djgpp by
Stas Sergeev (CC'd) have pushed the stub right up to this limit, so if
any further expansion is desired, this must first be patched in bfd.
This series includes three patches: The first changes the meaning of
the bfd->origin field slightly, so that target code can use this to
specify an offset into the file where the actual bfd is located.
The second patch then uses this to enable support for variable-sized
stubs in the coff-go32-exe format.
The final patch is only a cleanup, it normalizes function and variable
names in coff-stgo32.c so that they all begin with the same prefix.
bfd * bfdio.c (bfd_bread, bfd_tell, bfd_seek, bfd_mmap): Always add
bfd->origin to file offset.
* bfdwin.c (bfd_get_file_window): Likewise.
* bfd.c: Clarify the use of the bfd->origin field.
* bfd-in2.h: Regenerate.
* coff-i386.c: Don't include go32exe.h. Allow overriding
coff_write_object_contents via COFF_WRITE_CONTENTS.
* coff-stgo32.c (go32exe_cleanup, go32exe_mkobject)
(go32exe_write_object_contents): New functions.
(go32exe_temp_stub, go32exe_temp_stub_size): New static globals.
(COFF_WRITE_CONTENTS, GO32EXE_DEFAULT_STUB_SIZE): Define.
(create_go32_stub): Remove check for 2k size limit. Read stub
from go32exe_temp_stub if present.
(go32_stubbed_coff_bfd_copy_private_bfd_data): Allocate and
copy variable-length stub.
(go32_check_format): Read stub to go32exe_temp_stub, set
origin, return go32exe_cleanup.
(adjust_filehdr_in_post, adjust_filehdr_out_pre)
(adjust_filehdr_out_post, adjust_scnhdr_in_post)
(adjust_scnhdr_out_pre, adjust_scnhdr_out_post)
(adjust_aux_in_post, adjust_aux_out_pre, adjust_aux_out_post):
Remove functions and their associated #defines.
* coffcode.h (coff_mkobject_hook): Remove stub copying code.
* libcoff-in.h: (struct coff_tdata): New field stub_size.
Rename field go32stub to stub.
* libcoff.h: Regenerate.
* coff-stgo32.c (go32_check_format): Rename to...
(go32exe_check_format): ...this.
(go32_stubbed_coff_bfd_copy_private_bfd_data): Rename to...
(go32exe_copy_private_bfd_data): ...this.
(stub_bytes): Rename to...
(go32exe_default_stub): ...this.
(create_go32_stub): Rename to...
(go32exe_create_stub): ...this.
* coff-stgo32.c (go32exe_copy_private_bfd_data): Avoid realloc
when possible.
include * coff/go32exe.h: Remove file.
* coff/internal.h (struct internal_filehdr): Remove field
go32stub. Remove flag F_GO32STUB.
PR 25469
bfd * archures.c: Add GBZ80 and Z80N machine values.
* reloc.c: Add BFD_RELOC_Z80_16_BE.
* coff-z80.c: Add support for new reloc.
* coffcode.h: Add support for new machine values.
* cpu-z80.c: Add support for new machine names.
* elf32-z80.c: Add support for new reloc.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
binutils* readelf.c (get_machine_flags): Add support for Z80N machine
number.
gas * config/tc-z80.c: Add -gbz80 command line option to generate code
for the GameBoy Z80. Add support for generating DWARF.
* config/tc-z80.h: Add support for DWARF debug information
generation.
* doc/c-z80.texi: Document new command line option.
* testsuite/gas/z80/gbz80_all.d: New file.
* testsuite/gas/z80/gbz80_all.s: New file.
* testsuite/gas/z80/z80.exp: Run the new tests.
* testsuite/gas/z80/z80n_all.d: New file.
* testsuite/gas/z80/z80n_all.s: New file.
* testsuite/gas/z80/z80n_reloc.d: New file.
include * coff/internal.h (R_IMM16BE): Define.
* elf/z80.h (EF_Z80_MACH_Z80N): Define.
(R_Z80_16_BE): New reloc.
ld * emulparams/elf32z80.sh: Use z80 emulation.
* emultempl/z80.em: Make generic to both COFF and ELF Z80 emulations.
* emultempl/z80elf.em: Delete.
* testsuite/ld-elf/pr22450.d: Expect to fail for the Z80.
* testsuite/ld-elf/sec64k.exp: Fix Z80 assembly.
* testsuite/ld-unique/pr21529.s: Avoid register name conflict.
* testsuite/ld-unique/unique.s: Likewise.
* testsuite/ld-unique/unique_empty.s: Likewise.
* testsuite/ld-unique/unique_shared.s: Likewise.
* testsuite/ld-unique/unique.d: Updated expected output.
* testsuite/ld-z80/arch_z80n.d: New file.
* testsuite/ld-z80/comb_arch_z80_z80n.d: New file.
* testsuite/ld-z80/labels.s: Add more labels.
* testsuite/ld-z80/relocs.s: Add more reloc tests.
* testsuite/ld-z80/relocs_f_z80n.d: New file
opcodes * z80-dis.c: Add support for GBZ80 opcodes.
IMAGE_DEBUG_TYPE_REPRO is defined in the latest version of the PE
specification [1]. The others are defined in Windows SDK headers and/or
reported by DUMPBIN.
[1] https://docs.microsoft.com/en-us/windows/win32/debug/pe-format
bfd/ChangeLog:
2020-01-16 Jon Turney <jon.turney@dronecode.org.uk>
* peXXigen.c (debug_type_names): Add names for new debug data type
values.
include/ChangeLog:
2020-01-16 Jon Turney <jon.turney@dronecode.org.uk>
* coff/internal.h (PE_IMAGE_DEBUG_TYPE_VC_FEATURE)
(PE_IMAGE_DEBUG_TYPE_POGO, PE_IMAGE_DEBUG_TYPE_ILTCG)
(PE_IMAGE_DEBUG_TYPE_MPX, PE_IMAGE_DEBUG_TYPE_REPRO): Add.
PR 25224
bfd * Makefile.am: Add z80-elf target support.
* configure.ac: Likewise.
* targets.c: Likewise.
* config.bfd: Add z80-elf target support and new arches: ez80 and z180.
* elf32-z80.c: New file.
* archures.c: Add new z80 architectures: eZ80 and Z180.
* coffcode.h: Likewise.
* cpu-z80.c: Likewise.
* bfd-in2.h: Likewise plus additional Z80 relocations.
* coff-z80.c: Add new relocations for Z80 target and local label check.
gas * config/tc-z80.c: Add new architectures: Z180 and eZ80. Add support
for assembler code generated by SDCC. Add new relocation types. Add
z80-elf target support.
* config/tc-z80.h: Add z80-elf target support. Enable dollar local
labels. Local labels starts from ".L".
* testsuite/gas/all/fwdexp.d: Fix failure due to symbol conflict.
* testsuite/gas/all/fwdexp.s: Likewise.
* testsuite/gas/z80/suffix.d: Fix failure on ELF target.
* testsuite/gas/z80/z80.exp: Add new tests
* testsuite/gas/z80/dollar.d: New file.
* testsuite/gas/z80/dollar.s: New file.
* testsuite/gas/z80/ez80_adl_all.d: New file.
* testsuite/gas/z80/ez80_adl_all.s: New file.
* testsuite/gas/z80/ez80_adl_suf.d: New file.
* testsuite/gas/z80/ez80_isuf.s: New file.
* testsuite/gas/z80/ez80_z80_all.d: New file.
* testsuite/gas/z80/ez80_z80_all.s: New file.
* testsuite/gas/z80/ez80_z80_suf.d: New file.
* testsuite/gas/z80/r800_extra.d: New file.
* testsuite/gas/z80/r800_extra.s: New file.
* testsuite/gas/z80/r800_ii8.d: New file.
* testsuite/gas/z80/r800_z80_doc.d: New file.
* testsuite/gas/z80/z180.d: New file.
* testsuite/gas/z80/z180.s: New file.
* testsuite/gas/z80/z180_z80_doc.d: New file.
* testsuite/gas/z80/z80_doc.d: New file.
* testsuite/gas/z80/z80_doc.s: New file.
* testsuite/gas/z80/z80_ii8.d: New file.
* testsuite/gas/z80/z80_ii8.s: New file.
* testsuite/gas/z80/z80_in_f_c.d: New file.
* testsuite/gas/z80/z80_in_f_c.s: New file.
* testsuite/gas/z80/z80_op_ii_ld.d: New file.
* testsuite/gas/z80/z80_op_ii_ld.s: New file.
* testsuite/gas/z80/z80_out_c_0.d: New file.
* testsuite/gas/z80/z80_out_c_0.s: New file.
* testsuite/gas/z80/z80_reloc.d: New file.
* testsuite/gas/z80/z80_reloc.s: New file.
* testsuite/gas/z80/z80_sli.d: New file.
* testsuite/gas/z80/z80_sli.s: New file.
ld * Makefile.am: Add new target z80-elf
* configure.tgt: Likewise.
* emultempl/z80.em: Add support for eZ80 and Z180 architectures.
* emulparams/elf32z80.sh: New file.
* emultempl/z80elf.em: Likewise.
* testsuite/ld-z80/arch_ez80_adl.d: Likewise.
* testsuite/ld-z80/arch_ez80_z80.d: Likewise.
* testsuite/ld-z80/arch_r800.d: Likewise.
* testsuite/ld-z80/arch_z180.d: Likewise.
* testsuite/ld-z80/arch_z80.d: Likewise.
* testsuite/ld-z80/comb_arch_ez80_z80.d: Likewise.
* testsuite/ld-z80/comb_arch_z180.d: Likewise.
* testsuite/ld-z80/labels.s: Likewise.
* testsuite/ld-z80/relocs.s: Likewise.
* testsuite/ld-z80/relocs_b_ez80.d: Likewise.
* testsuite/ld-z80/relocs_b_z80.d: Likewise.
* testsuite/ld-z80/relocs_f_z80.d: Likewise.
* testsuite/ld-z80/z80.exp: Likewise.
opcodes * z80-dis.c: Add support for eZ80 and Z80 instructions.
All symbols, sizes and relocations in this section are octets instead of
bytes. Required for DWARF debug sections as DWARF information is
organized in octets, not bytes.
bfd/
* section.c (struct bfd_section): New flag SEC_ELF_OCTETS.
* archures.c (bfd_octets_per_byte): New parameter sec.
If section is not NULL and SEC_ELF_OCTETS is set, one octet es
returned [ELF targets only].
* bfd.c (bfd_get_section_limit): Provide section parameter to
bfd_octets_per_byte.
* bfd-in2.h: regenerate.
* binary.c (binary_set_section_contents): Move call to
bfd_octets_per_byte into section loop. Provide section parameter
to bfd_octets_per_byte.
* coff-arm.c (coff_arm_reloc): Provide section parameter
to bfd_octets_per_byte.
* coff-i386.c (coff_i386_reloc): likewise.
* coff-mips.c (mips_reflo_reloc): likewise.
* coff-x86_64.c (coff_amd64_reloc): likewise.
* cofflink.c (_bfd_coff_link_input_bfd): likewise.
(_bfd_coff_reloc_link_order): likewise.
* elf.c (_bfd_elf_section_offset): likewise.
(_bfd_elf_make_section_from_shdr): likewise.
Set SEC_ELF_OCTETS for sections with names .gnu.build.attributes,
.debug*, .zdebug* and .note.gnu*.
* elf32-msp430.c (rl78_sym_diff_handler): Provide section parameter
to bfd_octets_per_byte.
* elf32-nds.c (nds32_elf_get_relocated_section_contents): likewise.
* elf32-ppc.c (ppc_elf_addr16_ha_reloc): likewise.
* elf32-pru.c (pru_elf32_do_ldi32_relocate): likewise.
* elf32-s12z.c (opru18_reloc): likewise.
* elf32-sh.c (sh_elf_reloc): likewise.
* elf32-spu.c (spu_elf_rel9): likewise.
* elf32-xtensa.c (bfd_elf_xtensa_reloc): likewise
* elf64-ppc.c (ppc64_elf_brtaken_reloc): likewise.
(ppc64_elf_addr16_ha_reloc): likewise.
(ppc64_elf_toc64_reloc): likewise.
* elflink.c (bfd_elf_final_link): likewise.
(bfd_elf_perform_complex_relocation): likewise.
(elf_fixup_link_order): likewise.
(elf_link_input_bfd): likewise.
(elf_link_sort_relocs): likewise.
(elf_reloc_link_order): likewise.
(resolve_section): likewise.
* linker.c (_bfd_generic_reloc_link_order): likewise.
(bfd_generic_define_common_symbol): likewise.
(default_data_link_order): likewise.
(default_indirect_link_order): likewise.
* srec.c (srec_set_section_contents): likewise.
(srec_write_section): likewise.
* syms.c (_bfd_stab_section_find_nearest_line): likewise.
* reloc.c (_bfd_final_link_relocate): likewise.
(bfd_generic_get_relocated_section_contents): likewise.
(bfd_install_relocation): likewise.
For section which have SEC_ELF_OCTETS set, multiply output_base
and output_offset with bfd_octets_per_byte.
(bfd_perform_relocation): likewise.
include/
* coff/ti.h (GET_SCNHDR_SIZE, PUT_SCNHDR_SIZE, GET_SCN_SCNLEN),
(PUT_SCN_SCNLEN): Adjust bfd_octets_per_byte calls.
binutils/
* objdump.c (disassemble_data): Provide section parameter to
bfd_octets_per_byte.
(dump_section): likewise
(dump_section_header): likewise. Show SEC_ELF_OCTETS flag if set.
gas/
* as.h: Define SEC_OCTETS as SEC_ELF_OCTETS if OBJ_ELF.
* dwarf2dbg.c: (dwarf2_finish): Set section flag SEC_OCTETS for
.debug_line, .debug_info, .debug_abbrev, .debug_aranges, .debug_str
and .debug_ranges sections.
* write.c (maybe_generate_build_notes): Set section flag
SEC_OCTETS for .gnu.build.attributes section.
* frags.c (frag_now_fix): Don't divide by OCTETS_PER_BYTE if
SEC_OCTETS is set.
* symbols.c (resolve_symbol_value): Likewise.
ld/
* ldexp.c (fold_name): Provide section parameter to
bfd_octets_per_byte.
* ldlang (init_opb): New argument s. Set opb_shift to 0 if
SEC_ELF_OCTETS for the current section is set.
(print_input_section): Pass current section to init_opb.
(print_data_statement,print_reloc_statement,
print_padding_statement): Likewise.
(lang_check_section_addresses): Call init_opb for each
section.
(lang_size_sections_1,lang_size_sections_1,
lang_do_assignments_1): Likewise.
(lang_process): Pass NULL to init_opb.
The fix here is to use an unsigned comparison for
if (a->NumberOfRvaAndSizes > IMAGE_NUMBEROF_DIRECTORY_ENTRIES)
include/
PR 24272
* coff/internal.h (struct internal_extra_pe_aouthdr): Change type
of SizeOfCode, SizeOfInitializedData, and SizeOfUninitializedData
to bfd_vma. Change type of SectionAlignment, FileAlignment,
Reserved1, SizeOfImage, SizeOfHeaders, CheckSum, LoaderFlags,
and NumberOfRvaAndSizes to uint32_t.
bfd/
PR 24272
* peXXigen.c (_bfd_XXi_swap_aouthdr_in): Use unsigned index.
(_bfd_XX_print_private_bfd_data_common): Adjust for type changes.
coff/ecoff.h refers to some names defined in coff/sym.h. Include the
latter from the former, so that users of the header don't need to know
this detail.
2019-01-22 Tom Tromey <tom@tromey.com>
* coff/ecoff.h: Include coff/sym.h.
This patch is aimed at silencing gcc8 -Wstringop-truncation warnings.
Unfortunately adding __attribute__ ((__nonstring)) doesn't work in a
number of the places patched here, (see
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643) so if you have
recent glibc headers installed you'll need to configure binutils with
--disable-werror to compile using gcc8 or gcc9.
include/
* ansidecl.h: Import from gcc.
* coff/internal.h (struct internal_scnhdr): Add ATTRIBUTE_NONSTRING
to s_name.
(struct internal_syment): Add ATTRIBUTE_NONSTRING to _n_name.
bfd/
* elf-linux-core.h (struct elf_external_linux_prpsinfo32_ugid32),
(struct elf_external_linux_prpsinfo32_ugid16),
(struct elf_external_linux_prpsinfo64_ugid32),
(struct elf_external_linux_prpsinfo64_ugid16): Add ATTRIBUTE_NONSTRING
to pr_fname and pr_psargs fields. Remove GCC diagnostic pragmas.
Move comment to..
* elf.c (elfcore_write_prpsinfo): ..here. Indent nested preprocessor
directives.
* elf32-arm.c (elf32_arm_nabi_write_core_note): Add ATTRIBUTE_NONSTRING
to data.
* elf32-ppc.c (ppc_elf_write_core_note): Likewise.
* elf32-s390.c (elf_s390_write_core_note): Likewise.
* elf64-s390.c (elf_s390_write_core_note): Likewise.
* elfxx-aarch64.c (_bfd_aarch64_elf_write_core_note): Likewise.
* elf64-x86-64.c (elf_x86_64_write_core_note): Add GCC diagnostic
pragmas.
* peXXigen.c (_bfd_XXi_swap_scnhdr_out): Use strnlen to avoid
false positive gcc-8 warning.
gas/
* config/obj-evax.c (shorten_identifier): Use memcpy in place
of strncpy.
* config/obj-macho.c (obj_mach_o_make_or_get_sect): Ensure
segname and sectname fields are NUL terminated.
PR 22113
incldue * coff/pe.h (struct pex64_unwind_info): Add a rawUnwindCodesEnd
field.
bfd * pei-x86_64.c (pex64_get_unwind_info): Change to a boolean
function. Add an end address parameter. Check access of the data
pointer to make sure that they do not extend beyond the end
address. Return FALSE if any check fails. Add the end address
pointer to the ui structure.
(pex64_xdata_print_uwd_codes): Check accesses of the raw unwind
codes to make sure that they do not extend beyond the end address
pointer. Print an error message and return immediately if any
check fails.
See email thread starting here: https://www.sourceware.org/ml/binutils/2018-01/msg00001.html
include * coff/msdos.h: New header.
* coff/pe.h: Move common defines to msdos.h.
* coff/powerpc.h: Likewise.
bfd * i386msdos.c (msdos_mkobject); New function.
(msdos_object_p): New function.
(i386_msdos_vec): Use msdos_object_p as the check_format
function.
* peicode.h: Rename external_PEI_DOS_hdr, DOSMAGIC, and
NT_SIGNATURE to external_DOS_hdr, IMAGE_DOS_SIGNATURE, and
IMAGE_NT_SIGNATURE.
* peXXigen.c: Likewise.
* coff-ia64.c: Likewise.
Linking EFI executables from ELF object files can result in corrupted
COFF section flags if the section's alignment is too high. Issue a
diagnostic in that case, erroring out if this is not a final link, and
make sure only in-range values get written to the output image.
While doing this also make tic80 use the generic alignment macros
instead of custom #ifdef-ary.
No testsuite regressions for the range of COFF/PE targets that actually
cross-build in the first place on x86-64-linux.
gas/
* doc/c-lm32.texi: Fix chars with high bit set.
* testsuite/gas/bfin/vector2.s: Likewise.
gold/
* arm.cc: Fix comment chars with high bit set.
include/
* coff/pe.h: Fix comment chars with high bit set.
* opcode/xgate.h: Likewise.
ld/
* testsuite/ld-scripts/sysroot-prefix.exp: Fix chars with high bit set.
sparc-coff has a 20 byte symbol entry with an extra field, but neglects
to initialize the field. Fix that.
* coff/sparc.h (COFF_ADJUST_SYM_OUT_POST): Define.
PR ld/19440
inc * coff/internal.h (internal_syment): Use int to hold section
number.
(N_UNDEF): Cast to int not short.
(N_ABS): Likewise.
(N_DEBUG): Likewise.
(N_TV): Likewise.
(P_TV): Likewise.
bfd PR ld/19440
* coff-rs6000.c (_bfd_xcoff_swap_sym_in): Sign extend external
section number into internal section number.
* coff64-rs6000.c (_bfd_xcoff64_swap_sym_in): Likewise.
* coffswap.h (coff_swap_sym_in): Likewise.
* peXXigen.c (_bfd_XXi_swap_sym_in): Likewise.
* coffcode.h (_coff_bigobj_swap_sym_in): Make sure that internal
section number field is big enough to hold the external value.
addresses outside of the 32-bit range before memory exhaustion. This
results in a higher entropy implementation of ASLR when used with the
DYNAMIC_BASE flag.
* include/coff/pe.h: Add HIGH_ENTROPY_VA flag
* ld/emultempl/pep.em: Add --high-entropy-va switch
* ld/ld.texinfo: Document the --high-entropy-va switch
bfd/
* peicode.h (pe_ILF_object_p): Adjust, as the version number
has been read.
(pe_bfd_object_p): Also read version number to detect ILF.
* pe-x86_64.c (COFF_WITH_PE_BIGOBJ): Define.
(x86_64pe_bigobj_vec): Define
* coffcode.h (bfd_coff_backend_data): Add _bfd_coff_max_nscns field.
(bfd_coff_max_nscns): New macro.
(coff_compute_section_file_positions): Use unsigned int for
target_index. Compare with bfd_coff_max_nscns.
(bfd_coff_std_swap_table, ticoff0_swap_table, ticoff1_swap_table):
Set a value for _bfd_coff_max_nscns.
(header_bigobj_classid): New constant.
(coff_bigobj_swap_filehdr_in, coff_bigobj_swap_filehdr_out)
(coff_bigobj_swap_sym_in, coff_bigobj_swap_sym_out)
(coff_bigobj_swap_aux_in, coff_bigobj_swap_aux_out): New
functions.
(bigobj_swap_table): New table.
* libcoff.h: Regenerate.
* coff-sh.c (bfd_coff_small_swap_table): Likewise.
* coff-alpha.c (alpha_ecoff_backend_data): Add value for
_bfd_coff_max_nscns.
* coff-mips.c (mips_ecoff_backend_data): Likewise.
* coff-rs6000.c (bfd_xcoff_backend_data)
(bfd_pmac_xcoff_backend_data): Likewise.
* coff64-rs6000.c (bfd_xcoff_backend_data)
(bfd_xcoff_aix5_backend_data): Likewise.
* targets.c (x86_64pe_bigobj_vec): Declare.
* configure.in (x86_64pe_bigobj_vec): New vector.
* configure: Regenerate.
* config.bfd: Add bigobj object format for Windows targets.
gas/
* config/tc-i386.c (use_big_obj): Declare.
(OPTION_MBIG_OBJ): Define.
(md_longopts): Add -mbig-obj option.
(md_parse_option): Handle it.
(md_show_usage): Display help for this option.
(i386_target_format): Use bigobj for x86-64 if -mbig-obj.
* doc/c-i386.texi: Document the option.
gas/testsuite/
* gas/pe/big-obj.d, gas/pe/big-obj.s: Add test.
* gas/pe/pe.exp: Add test.
include/coff/
* pe.h (struct external_ANON_OBJECT_HEADER_BIGOBJ): Declare.
(FILHSZ_BIGOBJ): Define.
(struct external_SYMBOL_EX): Declare.
(SYMENT_BIGOBJ, SYMESZ_BIGOBJ): Define.
(union external_AUX_SYMBOL_EX): Declare.
(AUXENT_BIGOBJ, AUXESZ_BIGOBJ): Define.
* internal.h (struct internal_filehdr): Change type
of f_nscns.
bfd/
2013-11-27 Tristan Gingold <gingold@adacore.com>
* pei-x86_64.c (pex_regs): Make it const. Add comments.
(pex64_get_runtime_function): Do not split UnwindData.
(pex64_get_unwind_info): Extract the chain and the handler.
(pex64_xdata_print_uwd_codes): Rewritten: do not reverse print
the opcode, handle version 2, add consistency check, make the
code host neutral.
(pex64_dump_xdata): Change arguments to pass the section and its
content. Handle version 2, change output.
(pex64_bfd_print_pdata): Add comments, load section for xdata.
Avoid duplicate outputs.
include/coff
2013-11-27 Tristan Gingold <gingold@adacore.com>
* pe.h (struct pex64_runtime_function): Remove isChained.
(UWOP_SAVE_XMM): Add comment.
(struct pex64_unwind_info): Remove extra fields.
