Age | Commit message (Collapse) | Author | Files | Lines |
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binutils/
* MAINTAINERS(C-SKY): update e-mails of Lifang & Yunhai.
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Given a fuzzed object file in an archive with section size exceeding
file size, objcopy will report an error like "section size (0xfeffffff
bytes) is larger than file size (0x17a bytes)" but will create a copy
of the object laid out for the large section. That means a large
temporary file on disk that is read back and written to the output
archive, which can take a while. The output archive is then deleted
due to the error. Avoid some of this silliness.
* objcopy.c (copy_section): If section contents cannot be read
set output section size to zero.
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bfd_canonicalize_reloc returns -1L on errors.
* objdump.c (load_specific_debug_section): Properly handle
error return from bfd_canonicalize_reloc.
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PR 29720
* objdump.c (slurp_file): Don't call debuginfod_find_source
when build_id is NULL.
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Unlike other substitution, this substitution of @PROGRAM@ was done in
binutils/Makefile and it was intended for binutils/cxxfilt.man. @PROGRAM@
in binutils/cxxfilt.man is removed in the commit 0285c67df190 ("Automate
generate on man pages") in 2001 and @PROGRAM@ is ineffective since then.
Because PROGRAM substitution does nothing, removing this manual
substitution should be completely safe.
binutils/ChangeLog:
* doc/local.mk: Remove unused substitution PROGRAM.
* Makefile.in: Regenerate.
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* testsuite/binutils-all/addr2line.exp: Tidy. For powerpc64
arrange to pass --synthetic to nm, and extract .main and .fn
symbol address for addr2line test. Handle default executable
extension on cygwin/mingw compilers.
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* MAINTAINERS: Add section on patches, copyright and DCO.
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* binutils/testsuite/config/default.exp: Set ADDR2LINE and ADDR2LINEFLAGS.
* binutils/testsuite/binutils-all/addr2line.exp: New file.
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It has bothered me for a long time that we have disabled LSP (and SPE)
tests. Also the LSP test comment indicating there is something wrong
with get_powerpc_dialect. I don't think there is. Decoding of a VLE
instruction depends on whether the processor is in VLE mode (some
processors support both VLE and standard PPC) which we flag per
section with SHF_PPC_VLE for decoding when disassembling.
Background: Some versions of powerpc e200 have "Lightweight Signal
Processing" support, examples being e200z215 and e200z425. As far as
I can tell, LSP and SPE are mutually exclusive. This seems to be
borne out by insn encoding, for example LSP "zvaddih" and SPE "evaddw"
have the same encoding. So none of the processor descriptions in
ppc_opts ought to have both PPC_OPCODE_LSP and PPC_OPCODE_SPE/2, if we
want disassembly to work. I also could not find anything to suggest
that the LSP insns are enabled only in VLE mode, which means the LSP
insns should not be in vle_opcodes.
Fix all this by moving the LSP insns to their own table, and add a new
e200z2 cpu entry with LSP support, removing LSP from -me200z4 and from
-mvle. (Yes, I know, as I said above some of the e200z4 processors
have LSP. Others have SPE. It's hard to choose good options. Think
of z2 as meaning earlier, z4 as later.) Also add -mlsp to allow
adding the LSP insn set.
include/
* opcode/ppc.h (lsp_opcodes, lsp_num_opcodes): Declare.
(LSP_OP_TO_SEG): Define.
binutils/
* doc/binutils.texi: Update ppc docs.
gas/
* config/tc-ppc.c (ppc_setup_opcodes): Add lsp opcodes to ppc_hash.
* doc/c-ppc.texi: Document e200 and lsp.
* testsuite/gas/ppc/lsp-checks.d: Assemble with -me200z2.
* testsuite/gas/ppc/lsp.d: Likewise, disassembly too.
* testsuite/gas/ppc/ppc.exp: Don't xfail lsp test.
opcodes/
* ppc-dis.c (ppc_opts): Add e200z2 and lsp. Don't set
PPC_OPCODE_LSP for e200z4 or vle.
(ppc_parse_cpu): Mutually exclude LSP and SPE.
(LSP_OPCD_SEGS): Define.
(lsp_opcd_indices): New array.
(disassemble_init_powerpc): Init lsp_opcd_indices.
(lookup_lsp): New function.
(print_insn_powerpc): Call it.
* ppc-opc.c: Include libiberty.h for ARRAY_SIZE and use throughout.
(vle_opcodes): Move LSP opcodes to..
(lsp_opcodes): ..here, and sort.
(lsp_num_opcodes): New.
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because the section already exists.
PR 29665
* objcopy.c (copy_object): Use the input filename when
reporting that a .gnu_debuglink section already exists.
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* src-release.sh: Add "-r <date>" option to create reproducible
tarballs based upon a fixed timestamp of <date>.
* binutils/README-how-to-make-a-release: Add a line showing how to
use -r <date> when creating a binutils release.
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Fuzzed input with this in .debug_line
[0x0000003b] Special opcode 115: advance Address by 8 to 0x401180 and Line by -2 to -1
PR 29647
* objdump.c (print_line): Don't decrement line number here..
(dump_lines): ..do so here instead, ensuring loop terminates.
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* readelf.c (get_32bit_section_headers): Return false if the
e_shoff field is zero.
(get_64bit_section_headers): Likewise.
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This commit assigns DWARF register numbers to vector registers (v0-v31:
96..127) to implement RISC-V DWARF Specification version 1.0-rc4
(now in the frozen state):
https://github.com/riscv-non-isa/riscv-elf-psabi-doc/releases/tag/v1.0-rc4
binutils/ChangeLog:
* dwarf.c (dwarf_regnames_riscv): Assign DWARF register numbers
96..127 to vector registers v0-v31.
gas/ChangeLog:
* config/tc-riscv.c (tc_riscv_regname_to_dw2regnum): Support
vector registers.
* testsuite/gas/riscv/dw-regnums.s: Add vector registers to the
DWARF register number test.
* testsuite/gas/riscv/dw-regnums.d: Likewise.
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remove() is a standard library function (declared in stdio.h), which
triggers a "shadows a global declaration" warning with some gcc versions.
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Update handling of e_flags according to the documentation
update [1] (discussions [2][3]).
Object file bitness is now represented in the EI_CLASS byte.
The e_flags field is now interpreted as follows:
e_flags[2:0]: Base ABI modifier
- 0x1: soft-float
- 0x2: single-precision hard-float
- 0x3: double-precision hard-float
e_flags[7:6]: ELF object ABI version
- 0x0: v0
- 0x1: v1
[1]: https://github.com/loongson/LoongArch-Documentation/blob/main/docs/LoongArch-ELF-ABI-EN.adoc#e_flags-identifies-abi-type-and-version
[2]: https://github.com/loongson/LoongArch-Documentation/pull/61
[3]: https://github.com/loongson/LoongArch-Documentation/pull/47
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PR 29628
* size.c (usage): Add -f.
* doc/binutils.texi (size): Add -f.
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Multi-line patterns for grep are not supported on some old versions
of grep.
binutils/
* embedspu.sh: Replace multi-line grep with sed.
ld/
* testsuite/ld-elfvers/vers.exp: Replace multi-line grep with sed.
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Apparently some distros have a nagging egrep that helpfully tells you
egrep is deprecated and to use "grep -E". The nag message causes a ld
testsuite failure. What's more the advice isn't that good. The "-E"
flag may not be available with older versions of grep.
This patch fixes bare invocation of egrep within binutils, replacing
it with the autoconf $EGREP or with grep.
config/
* lib-ld.m4 (AC_LIB_PROG_LD_GNU): Require AC_PROG_EGREP and
invoke $EGREP.
(AC_LIB_PROG_LD): Likewise.
binutils/
* configure: Regenerate.
* embedspu.sh: Replace egrep with grep.
gold/
* testsuite/Makefile.am (flagstest_compress_debug_sections.check):
Replace egrep with grep.
* testsuite/Makefile.in: Regenerate.
* testsuite/bnd_ifunc_1.sh: Replace egrep with $EGREP.
* testsuite/bnd_ifunc_2.sh: Likewise.
* testsuite/bnd_plt_1.sh: Likewise.
* testsuite/discard_locals_test.sh: Likewise.
* testsuite/gnu_property_test.sh: Likewise.
* testsuite/no_version_test.sh: Likewise.
* testsuite/pr18689.sh: Likewise.
* testsuite/pr26936.sh: Likewise.
* testsuite/retain.sh: Likewise.
* testsuite/split_i386.sh: Likewise.
* testsuite/split_s390.sh: Likewise.
* testsuite/split_x32.sh: Likewise.
* testsuite/split_x86_64.sh: Likewise.
* testsuite/ver_test_pr16504.sh: Likewise.
intl/
* configure: Regenerate.
ld/
* testsuite/ld-elfvers/vers.exp (test_ar): Replace egrep with grep.
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PR29397 PR29563: Add new configure option --with-zstd which defaults to
auto. If pkgconfig/libzstd.pc is found, define HAVE_ZSTD and support
zstd compressed debug sections for most tools.
* bfd: for addr2line, objdump --dwarf, gdb, etc
* gas: support --compress-debug-sections=zstd
* ld: support ELFCOMPRESS_ZSTD input and --compress-debug-sections=zstd
* objcopy: support ELFCOMPRESS_ZSTD input for
--decompress-debug-sections and --compress-debug-sections=zstd
* gdb: support ELFCOMPRESS_ZSTD input. The bfd change references zstd
symbols, so gdb has to link against -lzstd in this patch.
If zstd is not supported, ELFCOMPRESS_ZSTD input triggers an error. We
can avoid HAVE_ZSTD if binutils-gdb imports zstd/ like zlib/, but this
is too heavyweight, so don't do it for now.
```
% ld/ld-new a.o
ld/ld-new: a.o: section .debug_abbrev is compressed with zstd, but BFD is not built with zstd support
...
% ld/ld-new a.o --compress-debug-sections=zstd
ld/ld-new: --compress-debug-sections=zstd: ld is not built with zstd support
% binutils/objcopy --compress-debug-sections=zstd a.o b.o
binutils/objcopy: --compress-debug-sections=zstd: binutils is not built with zstd support
% binutils/objcopy b.o --decompress-debug-sections
binutils/objcopy: zstd.o: section .debug_abbrev is compressed with zstd, but BFD is not built with zstd support
...
```
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c++filt is always named cxxfilt in a build directory, but in a install
directory it would be named either cxxfilt or c++filt (depending on
the host). Handle this last case in testsuite.
binutils/ChangeLog:
* testsuite/config/default.exp (CXXFILE): if cxxfilt not found,
try c++filt.
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When launching the testsuite through runtest outside the build tree,
gentestdlls might not be available, this binary being created by make
check.
Simply untested the related tests instead of crashing.
binutils/ChangeLog:
* testsuite/binutils-all/objdump.exp: Skip dotnet tests if
gentestdlls is not available.
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Using AS_IF rather than shell "if" is recommended for conditionals
that contain non-trivial autoconf macros, because autoconf will emit
any AC_REQUIREd autoconf macro expansions outside of the conditional.
This makes them available elsewhere in the configure script.
binutils/
* configure.ac (msgpack): Use "AS_IF" rather than "if".
* configure: Regenerate.
ld/
* configure.ac (jansson): Use "AS_IF" rather than "if".
* configure: Regenerate.
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This patch support ZTSO extension. It will turn on the tso flag for elf_flags
once we have enabled Ztso extension. This is intended to implement v0.1 of
the proposed specification which can be found in Chapter 25 of,
https://github.com/riscv/riscv-isa-manual/releases/download/draft-20220723-10eea63/riscv-spec.pdf.
bfd\ChangeLog:
* elfnn-riscv.c (_bfd_riscv_elf_merge_private_bfd_data): Set TSO flag.
* elfxx-riscv.c: Add Ztso's arch.
binutils\ChangeLog:
* readelf.c (get_machine_flags): Set TSO flag.
gas\ChangeLog:
* config/tc-riscv.c (riscv_set_tso): Ditto.
(riscv_set_arch): Ditto.
* testsuite/gas/riscv/ztso.d: New test.
include\ChangeLog:
* elf/riscv.h (EF_RISCV_TSO): Ditto.
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binary for a second time.
* objcopy.c (copy_object): Do not issue a warning message when
encountering empty .gnu.build.attribute sections.
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Clang generates a warning on unused (technically, written but not read
thereafter) variables. By the default configuration (with "-Werror"), it
causes a build failure (unless "--disable-werror" is specified).
This commit adds ATTRIBUTE_UNUSED attribute to some of them, which means
they are *possibly* unused (can be used but no warnings occur when
unused) and removes others.
bfd/ChangeLog:
* elf32-lm32.c (lm32_elf_size_dynamic_sections): Mark unused
rgot_count variable.
* elf32-nds32.c (elf32_nds32_unify_relax_group): Remove unused
count variable.
* mmo.c (mmo_scan): Mark unused lineno variable.
binutils/ChangeLog:
* windmc.c (write_rc): Remove unused i variable.
gas/ChangeLog:
* config/tc-riscv.c (riscv_ip): Remove unused argnum variable.
ld/ChangeLog:
* pe-dll.c (generate_reloc): Remove unused bi and page_count
variables.
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* testsuite/binutils-all/readelf.exp (readelf_wi_test): Extend
regexps to allow for output genreated by the Clang compiler.
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Some components of GNU Binutils will pass "-Wstack-usage=262144" when
"GCC >= 5.0" is detected. However, Clang does not support "-Wstack-usage",
despite that related configuration part in bfd/warning.m4 handles the latest
Clang (15.0.0 as of this writing) as "GCC >= 5.0".
The option "-Wstack-usage" was ignored when the first version of Clang is
released but even this "ignoring" behavior is removed before Clang 4.0.0.
So, if we give Clang "-Wstack-usage=262144", it generates a warning, making
the build failure.
This commit checks "__clang__" macro to prevent adding the option if the
compiler is identified as Clang.
bfd/ChangeLog:
* warning.m4: Stop appending "-Wstack-usage=262144" option when
compiled with Clang.
* configure: Regenerate.
binutils/ChangeLog:
* configure: Regenerate.
gas/ChangeLog:
* configure: Regenerate.
gold/ChangeLog:
* configure: Regenerate.
gprof/ChangeLog:
* configure: Regenerate.
ld/ChangeLog:
* configure: Regenerate.
opcodes/ChangeLog:
* configure: Regenerate.
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Add with_source_code to the command line options that trigger
might_need_separate_debug_info and dump_any_debugging. This helps
'objdump -S' download missing files via debuginfod without the need for
specifying extra command line options like '-L'.
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The -mfuture and -Mfuture options which are used for adding potential
new ISA instructions were not documented. They also lacked a bitmask
so new instructions could not be enabled by those options. Fixed.
binutils/
* doc/binutils.texi: Document -Mfuture.
gas/
* config/tc-ppc.c: Document -mfuture
* doc/c-ppc.texi: Likewise.
include/
* opcode/ppc.h (PPC_OPCODE_FUTURE): Define.
opcodes/
* ppc-dis.c (ppc_opts) <future>: Use it.
* ppc-opc.c (FUTURE): Define.
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PR 29532
bfd * elf.c (setup_group): Do not return false if there is no group
information available.
bionutils* objcopy.c (setup_section): Leave group sections intact when
creating separate debuginfo files.
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PR 29523
* dwarf.c (display_debug_lines_decoded): Correctly handle DWARF-5
directory and filename tables.
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Currently objdump -S is not able to make use files downloaded from debuginfod.
This is due to bfd_find_nearest_line_discriminator being unable to locate any
separate debuginfo files in the debuginfod cache. Additionally objdump lacked
a call to debuginfod_find_source in order to download missing source files.
Fix this by using bfd_find_nearest_line_with_alt instead of
bfd_find_nearest_line_discriminator. Also add a call to
debuginfod_find_source in order to download missing source files.
Co-authored-by: Nick Clifton <nickc@redhat.com>
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PR 29534
* dllwrap.c: Replace uses of choose_temp_base() with
make_temp_file().
* dlltool.c: Likewise.
* resrc.c: Likewise.
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PR 29489
* dlltool.c (deterministic): New variable.
(gen_lib_file): If deterministic is true set the
BFD_DETERMINISTIC_OUTPUT flag.
(usage): Mention --deterministic-libraries and
--non-deterministic-libraries.
(long_options): Add new options.
(main): Parse new options.
* doc/binutils.texi: Document the new options.
* NEWS: Mention the new feature.
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binutils/
* MAINTAINERS (RISC-V): Updated my email address.
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safely.
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golang object file.
* readelf.c (check_magic_number): New function. Checks the magic
bytes at the start of a file. If they are not the ELF format
magic values, then attempts to generate a helpful error message.
(process_file_header): Call check_magic_number.
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2022-08-16 Alan Modra <amodra@gmail.com>
Cunlong Li <shenxiaogll@163.com>
PR 29362
* dwarf.c (free_debug_information): New function, extracted..
(free_debug_memory): ..from here.
(process_debug_info): Use it when before clearing out unit
debug_information. Clear all fields.
* objcopy.c (delete_symbol_htabs): New function.
(main): Call it via xatexit.
(copy_archive): Free "dir".
* objdump.c (free_debug_section): Free reloc_info.
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This changes readelf output a little, removing the 0x prefix on hex
output when the value is 0, except in cases where a fixed field
width is shown. %#010x is not a good replacement for 0x%08x.
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This replaces dwarf_vma, dwarf_size_type and dwarf_signed_vma with
uint64_t and int64_t everywhere. The patch also gets rid of
DWARF_VMA_FMT since we can't use that with uint64_t, and all of the
configure support for deciding the flavour of HOST_WIDEST_INT.
dwarf_vmatoa also disappears, replacing most uses with one of
PRIx64, PRId64 or PRIu64. Printing of size_t and ptrdiff_t values
now use %z and %t rather than by casting to unsigned long. Also,
most warning messages that used 0x%lx or similar now use %#lx and a
few that didn't print the 0x hex prefix now also use %#. The patch
doesn't change normal readelf output, except in odd cases where values
previously might have been truncated.
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This replaces bfd_vma with uint64_t in readelf, defines BFD64
unconditionally, removes tests of BFD64 and sizeof (bfd_vma), and
removes quite a few now unnecessary casts.
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Replacing bfd_size_type with dwarf_size_type or uint64_t is mostly
cosmetic. The point of the change is to avoid use of a BFD type
in readelf, where we'd like to keep as independent of BFD as
possible. Also, the patch is a step towards using standard types.
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This patch replaces all uses of elf_vma with uint64_t, removes
tests of sizeof (elf_vma), and does a little tidying of
byte_get_little_endian and byte_get_big_endian.
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After commit:
commit a88c79b77036e4778e70d62081c3cfd1044bb8e3
Date: Tue Aug 9 14:57:48 2022 +0100
Default to enabling colored disassembly if output is to a terminal.
The 256 extended-color support for --disassembler-color was broken.
This is fixed in this commit.
PR 29457
* objdump (objdump_styled_sprintf): Check disassembler_color
against an enum value, don't treat it as a bool.
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This adds support for efi-loongarch64 by virtue of adding a new PEI target
pei-loongarch64. This is not a full target and only exists to support EFI at
this time.
This means that this target does not support relocation processing and is mostly
a container format. This format has been added to elf based loongarch64 targets
such that efi images can be made natively on Linux.
However this target is not valid for use with gas but only with objcopy.
We should't limit addresses to 32-bits for 64-bit vma, otherwise there will be
"RVA truncated" error when using objcopy on loongarch64.
With these changes the resulting file is recognized as an efi image.
Any magic number is based on the Microsoft PE specification [1].
The test results are as follows:
$ make check-binutils RUNTESTFLAGS='loongarch64.exp'
PASS: Check if efi app format is recognized
$ objdump -h -f tmpdir/loongarch64copy.o
tmpdir/loongarch64copy.o: file format pei-loongarch64
architecture: Loongarch64, flags 0x00000132:
EXEC_P, HAS_SYMS, HAS_LOCALS, D_PAGED
start address 0x0000000000000000
Sections:
Idx Name Size VMA LMA File off Algn
0 .text 0000003c 00000000200000b0 00000000200000b0 00000200 2**2
CONTENTS, ALLOC, LOAD, READONLY, CODE
[1] https://docs.microsoft.com/en-us/windows/win32/debug/pe-format
bfd:
* .gitignore (pe-loongarch64igen.c): New.
* Makefile.am (pei-loongarch64.lo, pe-loongarch64igen.lo, pei-loongarch64.c,
pe-loongarch64igen.c): Add support.
* Makefile.in: Likewise.
* bfd.c (bfd_get_sign_extend_vma): Add pei-loongarch64.
* coff-loongarch64.c: New file.
* coffcode.h (coff_set_arch_mach_hook, coff_set_flags,
coff_write_object_contents) Add loongarch64 (loongarch64_pei_vec) support.
* config.bfd: Likewise.
* configure: Likewise.
* configure.ac: Likewise.
* libpei.h (GET_OPTHDR_IMAGE_BASE, PUT_OPTHDR_IMAGE_BASE,
GET_OPTHDR_SIZE_OF_STACK_RESERVE, PUT_OPTHDR_SIZE_OF_STACK_RESERVE,
GET_OPTHDR_SIZE_OF_STACK_COMMIT, PUT_OPTHDR_SIZE_OF_STACK_COMMIT,
GET_OPTHDR_SIZE_OF_HEAP_RESERVE, PUT_OPTHDR_SIZE_OF_HEAP_RESERVE,
GET_OPTHDR_SIZE_OF_HEAP_COMMIT, PUT_OPTHDR_SIZE_OF_HEAP_COMMIT,
GET_PDATA_ENTRY, _bfd_peLoongArch64_bfd_copy_private_bfd_data_common,
_bfd_peLoongArch64_bfd_copy_private_section_data,
_bfd_peLoongArch64_get_symbol_info, _bfd_peLoongArch64_only_swap_filehdr_out,
_bfd_peLoongArch64_print_private_bfd_data_common,
_bfd_peLoongArch64i_final_link_postscript,
_bfd_peLoongArch64i_only_swap_filehdr_out, _bfd_peLoongArch64i_swap_aouthdr_in,
_bfd_peLoongArch64i_swap_aouthdr_out, _bfd_peLoongArch64i_swap_aux_in,
_bfd_peLoongArch64i_swap_aux_out, _bfd_peLoongArch64i_swap_lineno_in,
_bfd_peLoongArch64i_swap_lineno_out, _bfd_peLoongArch64i_swap_scnhdr_out,
_bfd_peLoongArch64i_swap_sym_in, _bfd_peLoongArch64i_swap_sym_out,
_bfd_peLoongArch64i_swap_debugdir_in, _bfd_peLoongArch64i_swap_debugdir_out,
_bfd_peLoongArch64i_write_codeview_record,
_bfd_peLoongArch64i_slurp_codeview_record,
_bfd_peLoongArch64_print_ce_compressed_pdata): New.
* peXXigen.c (_bfd_XXi_swap_aouthdr_in, _bfd_XXi_swap_aouthdr_out,
_bfd_XXi_swap_scnhdr_out, pe_print_pdata, _bfd_XX_print_private_bfd_data_common,
_bfd_XX_bfd_copy_private_section_data, _bfd_XXi_final_link_postscript):
Support COFF_WITH_peLoongArch64,
* pei-loongarch64.c: New file.
* peicode.h (coff_swap_scnhdr_in, pe_ILF_build_a_bfd, pe_ILF_object_p):
Support COFF_WITH_peLoongArch64.
(jtab): Add dummy entry that traps.
* targets.c (loongarch64_pei_vec): New.
binutils
* testsuite/binutils-all/loongarch64/loongarch64.exp: New file.
* testsuite/binutils-all/loongarch64/pei-loongarch64.d: New test.
* testsuite/binutils-all/loongarch64/pei-loongarch64.s: New test.
include
* coff/loongarch64.h: New file.
* coff/pe.h (IMAGE_FILE_MACHINE_LOONGARCH64): New.
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
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