Alan Modra [Wed, 19 Jul 2023 00:56:04 +0000 (10:26 +0930)]
[GOLD, PowerPC64] Debug info relocation overflow
It is possible to build huge binaries on powerpc64, where 32-bit
addresses in debug info are insufficient to descibe locations in the
binary. Help out the user, and only warn about debug overflows.
* powerpc.cc (Target_powerpc::Relocate::relocate): Warn on
relocation overflows in debug info.
Alan Modra [Sat, 15 Jul 2023 10:17:10 +0000 (19:47 +0930)]
PR10957, Missing option to really print section+offset
Many of the reloc error messages have already been converted from
using %C to using %H in ld.bfd, to print section+offset as well as
file/line/function. This catches a few remaining, and changes gold to
do the same.
Alan Modra [Thu, 13 Jul 2023 04:02:42 +0000 (13:32 +0930)]
elf_object_p load of dynamic symbols
This fixes an uninitialised memory access on a fuzzed file:
0 0xf22e9b in offset_from_vma /src/binutils-gdb/bfd/elf.c:1899:2
1 0xf1e90f in _bfd_elf_get_dynamic_symbols /src/binutils-gdb/bfd/elf.c:2099:13
2 0x10e6a54 in bfd_elf32_object_p /src/binutils-gdb/bfd/elfcode.h:851:9
Hopefully it will also stop any attempt to load dynamic symbols from
eu-strip debug files.
* elfcode.h (elf_object_p): Do not attempt to load dynamic
symbols for a file with no section headers until all the
program headers are swapped in. Do not fail on eu-strip debug
files.
gprofng: 30602 [2.41] gprofng test hangs on i686-linux-gnu
There were several problems in the gprofng testing:
- we did not catch a timeout for each test.
- we used exit() to stop a failed test. But this stops all other tests.
- we used a time_t (long) type in smalltest.c instead of a long long type.
PR gprofng/30602
* configure.ac: Launch only native testing.
* configure: Rebuild.
* testsuite/config/default.exp: Set TEST_TIMEOUT.
* testsuite/gprofng.display/setpath_map.exp: Use return instead of exit.
* testsuite/gprofng.display/gp-archive.exp: Likewise.
* testsuite/gprofng.display/gp-collect-app_F.exp: Likewise.
* testsuite/gprofng.display/display.exp: Delete an unnecessary test
for native testing.
* testsuite/lib/display-lib.exp (run_native_host_cmd): Add timeout.
* testsuite/lib/smalltest.c: Use a long long type instead of time_t.
Alan Modra [Mon, 10 Jul 2023 22:49:20 +0000 (08:19 +0930)]
Re: Keeping track of rs6000-coff archive element pointers
bfd/
* coff-rs6000.c (add_range): Revise comment, noting possible fail.
(_bfd_xcoff_openr_next_archived_file): Start with clean ranges.
binutils/
* bfdtest1.c: Enhance to catch errors on second scan.
Alan Modra [Wed, 5 Jul 2023 13:53:51 +0000 (23:23 +0930)]
Use run_host_cmd to run $CC and other no-section-header test fixes
We should be using run_host_cmd everywhere we invoke a compiler in the
ld testsuite, if we want to use ld/ld-new just built. run_host_cmd
properly inserts $gcc_B_opt in cases where a user wants to test
binutils with a newly built compiler, ie. when $CC specifies -B itself.
Also, it is not good practice to exclude tests when non-native except
of course those tests that run a target binary. Compiling and linking
often shows up problems.
* testsuite/ld-elf/no-section-header.exp (binutils_run_test):
Use run_host_cmd to invoke $CC_FOR_TARGET. Run all tests
non-native too, except for attempting to run the binaries.
Run tests for ELF in general, not just linux.
* testsuite/ld-elf/pr25617-1-no-sec-hdr.rd: Allow localentry
symbol decoration, and support either sorting of symbols.
* testsuite/ld-elf/pr25617-1a-no-sec-hdr.rd: Likewise.
* testsuite/ld-elf/pr25617-1a-sec-hdr.rd: Likewise.
* testsuite/ld-elf/pr25617-1a-no-sec-hdr.nd: Accept D function syms.
* testsuite/ld-elf/start-shared-noheader-sysv.rd: Accept
mips-sgi-irix symbol output.
* testsuite/ld-elf/start-shared-noheader.nd: Likewise.
YunQiang Su [Fri, 30 Jun 2023 05:14:51 +0000 (13:14 +0800)]
ld: Use [list ] syntax to define run_tests in indirect.exp
Currently, the var run_tests is defined by syntax {{}},
while in this case, variables cannot be used.
Thus $NOPIE_CFLAGS and $NOPIE_LDFLAGS are passed to cmd as names
instead of values:
gcc ... $NOPIE_CFLAGS -c .../indirect5a.c -o tmpdir/indirect5a.o
Let's use [list [list ]] syntax instead.
ld/ChangeLog:
* testsuite/ld-elf/indirect.exp(run_tests): use [list [list]]
syntax instead of {{}}.
YunQiang Su [Mon, 3 Jul 2023 04:43:21 +0000 (12:43 +0800)]
ld: fix plugin tests for MIPS PIC
On MIPS, for PIC objects, symbols may reference 2 times:
once from the caller, and once from GOT.
Thus ld may complains 2 times about "undefined reference".
So we add a new "#?" line to every effected testsuite.
WANG Xuerui [Sun, 2 Jul 2023 10:14:22 +0000 (18:14 +0800)]
LoongArch: gas: Fix shared builds
Formerly an include of libbfd.h was added in commit 56576f4a722
("LoongArch: gas: Add support for linker relaxation."), in order to
allow calling _bfd_read_unsigned_leb128 from gas, but doing so broke
shared builds. Commit d2fddb6d783 fixed this reference but did not
remove the now unnecessary inclusion of libbfd.h. The gas_assert macro
expands into a conditional call to abort(), but "abort" is re-defined to
_bfd_abort in libbfd.h, so the extra include breaks any gas_assert
usage, and should be removed.
gas/ChangeLog:
* config/tc-loongarch.c: Don't include libbfd.h.
Fixes: d2fddb6d783 ("LoongArch: Fix ld "undefined reference" error with --enable-shared") Signed-off-by: WANG Xuerui <git@xen0n.name>
In our GUI project (https://savannah.gnu.org/projects/gprofng-gui), we use
the output of gprofng to display the data. Sometimes this data is corrupted.
gprofng/ChangeLog
2023-06-29 Vladimir Mezentsev <vladimir.mezentsev@oracle.com>
* src/ipc.cc (ipc_doWork): Fix data race.
* src/ipcio.cc (IPCresponse::print): Fix data race.
Remove unused variables and functions.
* src/ipcio.h: Declare two variables.
* src/StringBuilder.cc (StringBuilder::write): New function.
* src/StringBuilder.h: Likewise.
Certain extensions require two levels of implications. For example,
zvkng implies zvkn and zvkn implies zvkned. Enabling zvkng should also
enable zvkned.
This patch fixes this behavior.
bfd/ChangeLog:
* elfxx-riscv.c (riscv_parse_add_implicit_subsets): Allow nested
implications for extensions.
Signed-off-by: Nathan Huckleberry <nhuck@google.com> Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
This extension adds the following instructions:
- vandn.[vv,vx]
- vbrev.v
- vbrev8.v
- vrev8.v
- vclz.v
- vctz.v
- vcpop.v
- vrol.[vv,vx]
- vror.[vv,vx,vi]
- vwsll.[vv,vx,vi]
bfd/ChangeLog:
* elfxx-riscv.c (riscv_multi_subset_supports): Add instruction
class support for Zvbb.
(riscv_multi_subset_supports_ext): Likewise.
gas/ChangeLog:
* config/tc-riscv.c (validate_riscv_insn): Add 'l' as new format
string directive.
(riscv_ip): Likewise.
* testsuite/gas/riscv/zvbb.d: New test.
* testsuite/gas/riscv/zvbb.s: New test.
Tom Tromey [Fri, 30 Jun 2023 01:38:10 +0000 (19:38 -0600)]
Fix regressions caused by agent expression C++-ification
Simon pointed out that my agent expression C++-ification patches
caused a regression with the native-gdbserver target board. The bug
is that append_const is supposed to write in big-endian order, but I
switched this by mistake.
Philipp Tomsich [Fri, 30 Jun 2023 14:02:11 +0000 (16:02 +0200)]
binutils: NEWS: announce new RISC-V extensions
We picked up support for a few new extensions over the last weeks
(this may need further updating prior to the next release), list them
in the NEWS file.
binutils/ChangeLog:
* binutils/NEWS: announce suuport for the new RISC-V
extensions (Zicond, Zfa, XVentanaCondOps).
Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
This patch adds support for the RISC-V Zfa extension,
which introduces additional floating-point instructions:
* fli (load-immediate) with pre-defined immediates
* fminm/fmaxm (like fmin/fmax but with different NaN behaviour)
* fround/froundmx (round to integer)
* fcvtmod.w.d (Modular Convert-to-Integer)
* fmv* to access high bits of FP registers in case XLEN < FLEN
* fleq/fltq (quiet comparison instructions)
Zfa defines its instructions in combination with the following
extensions:
* single-precision floating-point (F)
* double-precision floating-point (D)
* quad-precision floating-point (Q)
* half-precision floating-point (Zfh)
This patch is based on an earlier version from Tsukasa OI:
https://sourceware.org/pipermail/binutils/2022-September/122939.html
Most significant change to that commit is the switch from the rs1-field
value to the actual floating-point value in the last operand of the fli*
instructions. Everything that strtof() can parse is accepted and
the '%a' printf specifier is used to output hex floating-point literals
in the disassembly.
The Zfa specification is frozen (and has passed public review). It is
available as a chapter in "The RISC-V Instruction Set Manual: Volume 1":
https://github.com/riscv/riscv-isa-manual/releases
bfd/ChangeLog:
* elfxx-riscv.c (riscv_multi_subset_supports): Add instruction
class support for 'Zfa' extension.
(riscv_multi_subset_supports_ext): Likewise.
(riscv_implicit_subsets): Add 'Zfa' -> 'F' dependency.
gas/ChangeLog:
* config/tc-riscv.c (flt_lookup): New helper to lookup a float value
in an array.
(validate_riscv_insn): Add 'Wfv' as new format string directive.
(riscv_ip): Likewise.
* doc/c-riscv.texi: Add floating-point chapter and describe
limiations of the Zfa FP literal parsing.
* testsuite/gas/riscv/zfa-32.d: New test.
* testsuite/gas/riscv/zfa-32.s: New test.
* testsuite/gas/riscv/zfa-64.d: New test.
* testsuite/gas/riscv/zfa-64.s: New test.
* testsuite/gas/riscv/zfa-fail.d: New test.
* testsuite/gas/riscv/zfa-fail.l: New test.
* testsuite/gas/riscv/zfa-fail.s: New test.
* testsuite/gas/riscv/zfa.d: New test.
* testsuite/gas/riscv/zfa.s: New test.
* testsuite/gas/riscv/zfa.s: New test.
WANG Xuerui [Thu, 29 Jun 2023 16:35:04 +0000 (00:35 +0800)]
LoongArch: Deprecate $v[01], $fv[01] and $x names per spec
As outlined in the LoongArch ELF psABI spec [1], it is actually already
2 versions after the initial LoongArch support, and the $v[01] and
$fv[01] names should really get sunset by now.
In addition, the "$x" name for $r21 was never included in any released
version of the ABI spec, and such usages are all fixed to say just $r21
for every project I could think of that accepted a LoongArch port.
Plus, the upcoming LSX/LASX support makes use of registers named
"$vrNN" and "$xrNN", so having "$vN" and "$x" alongside would almost
certainly create confusion for developers.
Issue warnings for such usages per the deprecation procedure detailed
in the spec, so we can finally remove support in the next release cycle
after this.
* config/tc-loongarch.c: Init canonical register ABI name
mappings and deprecated register names.
(loongarch_args_parser_can_match_arg_helper): Warn in case of
deprecated register name usage.
* testsuite/gas/loongarch/deprecated_reg_aliases.d: New test.
* testsuite/gas/loongarch/deprecated_reg_aliases.l: Likewise.
* testsuite/gas/loongarch/deprecated_reg_aliases.s: Likewise.
include/ChangeLog:
* opcode/loongarch.h: Rename global variables.
opcodes/ChangeLog:
* loongarch-opc.c: Rename the alternate/deprecated register name
mappings, and move $x to the deprecated name map.
WANG Xuerui [Thu, 29 Jun 2023 16:35:02 +0000 (00:35 +0800)]
opcodes/loongarch: do not print hex notation for signed immediates
The additional hex notation was minimally useful when one had to
inspect code with heavy bit manipulation, or of unclear signedness, but
it clutters the output, and the style is not regular assembly language
syntax either.
Precisely how one approaches the original use case is not taken care of
in this patch (maybe we want a disassembler option forcing a certain
style for immediates, like for example printing every immediate in
decimal or hexadecimal notation), but at least let's stop the current
practice.
WANG Xuerui [Thu, 29 Jun 2023 16:35:01 +0000 (00:35 +0800)]
opcodes/loongarch: style disassembled address offsets as such
Add a modifier char 'o' telling the disassembler to print the immediate
using the address offset style, and mark the memory access instructions'
offset operands as such.
opcodes/ChangeLog:
* loongarch-dis.c (dis_one_arg): Style disassembled address
offsets as such when the operand has a modifier char 'o'.
* loongarch-opc.c: Add 'o' to operands that represent address
offsets.
WANG Xuerui [Thu, 29 Jun 2023 16:34:58 +0000 (00:34 +0800)]
LoongArch: support disassembling certain pseudo-instructions
Add a flag in the pinfo field for being able to mark certain specialized
matchers as disassembler-only, so some degree of isolation between
assembler-side and disassembler-side can be achieved.
This isolation is necessary, firstly because some pseudo-instructions
cannot be fully described in the opcode table, like `li.[wd]`, so the
corresponding opcode entry cannot have meaningful match/mask values.
Secondly, some of these pseudo-instructions can be realized in more than
one plausible ways; e.g. `li.w rd, <something between 0 and 0x7ff>` can
be realized on LA64 with any of `addi.w`, `addi.d` or `ori`. If we tie
disassembly of such aliases with the corresponding GAS support, only one
canonical form among the above would be recognized as `li.w`, and it
would mildly impact the readability of disassembly output.
People wanting the exact disassembly can always set `-M no-aliases` to
get the original behavior back.
In addition, in certain cases, information is irreversibly lost after
assembling, so perfect round-trip would not be possible in such cases.
For example, `li.w` and `li.d` of immediates within int32_t range
produce the same code; in this patch, `addi.d rd, $zero, imm` is treated
as `li.d`, while `addi.w` and `ori` immediate loads are shown as `li.w`,
due to the expressible value range well within 32 bits.
* loongarch-dis.c: Move register name map declarations to top.
(get_loongarch_opcode_by_binfmt): Consider aliases when
disassembling without the no-aliases option.
(parse_loongarch_dis_option): Support the no-aliases option.
* loongarch-opc.c: Collect pseudo instructions into a new
dedicated table.
Indu Bhagat [Thu, 29 Jun 2023 23:29:12 +0000 (16:29 -0700)]
doc: sframe: update specification for SFRAME_VERSION_2
Add details for the changes made from Version 1 to Version 2 of the format.
Also add details about alignment in the SFrame format. A portion of the
SFrame stack trace format has an unaligned on-disk representation. Add
description at relevant points in the specificatin to clarify the
alignment related details.
Indu Bhagat [Thu, 29 Jun 2023 23:29:09 +0000 (16:29 -0700)]
sframe: bfd: gas: ld: format bump to SFrame version 2
SFrame version 2 encodes the size of repetitive insn block explicitly
in the format. Add information in the SFrame FDE to convey the size
of the block of repeating instructions. This information is used only
for SFrame FDEs of type SFRAME_FDE_TYPE_PCMASK.
Introduce two extra bytes for padding: this ensures that the memory
accesses to the members of the SFrame Frame Descriptor Entry (FDE) are
naturally aligned.
gas generates SFrame section with version SFRAME_VERSION_2 by default.
libsframe provides two new APIs to:
- get an SFrame FDE data from the decoder context, and
- add an SFrame FDE to the encoder context.
The additional argument (for rep_block_size) is useful for SFrame FDEs
where FDE type is SFRAME_FDE_TYPE_PCMASK.
The linker will generate the output SFrame sections in the
SFRAME_VERSION_2 format. If the input sections offered to the linker
are not all in the SFRAME_VERSION_2 format, the linker issues an error
to the user.
objdump/readelf will show the following message to the user if .sframe
section in SFRAME_VERSION_1 format is seen:
"No further information can be displayed. SFrame version not
supported."
In other words, like the rest of the binutils, only the current SFrame
format version, i.e., SFRAME_VERSION_2 is supported by the textual dump
facilities.
bfd/
* elf-sframe.c (_bfd_elf_merge_section_sframe): Generate an
output SFrame section with version SFRAME_VERSION_2. Also,
error out if the SFrame sections do not all have
SFRAME_VERSION_2.
* elfxx-x86.c (_bfd_x86_elf_create_sframe_plt): Generate SFrame
section for plt entries with version SFRAME_VERSION_2.
gas/
* gen-sframe.c (sframe_set_version): Update to SFRAME_VERSION_2.
(output_sframe): Likewise.
gas/testsuite/
* gas/cfi-sframe/cfi-sframe-aarch64-1.d: Use SFRAME_VERSION_2.
* gas/cfi-sframe/cfi-sframe-aarch64-2.d: Likewise.
* gas/cfi-sframe/cfi-sframe-aarch64-pac-ab-key-1.d: Likewise.
* gas/cfi-sframe/cfi-sframe-common-1.d: Likewise.
* gas/cfi-sframe/cfi-sframe-common-2.d: Likewise.
* gas/cfi-sframe/cfi-sframe-common-3.d: Likewise.
* gas/cfi-sframe/cfi-sframe-common-4.d: Likewise.
* gas/cfi-sframe/cfi-sframe-common-5.d: Likewise.
* gas/cfi-sframe/cfi-sframe-common-6.d: Likewise.
* gas/cfi-sframe/cfi-sframe-common-7.d: Likewise.
* gas/cfi-sframe/cfi-sframe-common-8.d: Likewise.
* gas/cfi-sframe/cfi-sframe-x86_64-1.d: Likewise.
* gas/cfi-sframe/common-empty-1.d: Likewise.
* gas/cfi-sframe/common-empty-2.d: Likewise.
* gas/cfi-sframe/common-empty-3.d: Likewise.
ld/testsuite/
* ld-aarch64/sframe-simple-1.d: Adjust for SFRAME_VERSION_2.
* ld-x86-64/sframe-plt-1.d: Likewise.
* ld-x86-64/sframe-simple-1.d: Likewise.
libsframe/
* libsframe.ver: Add the new APIs.
* sframe.c (sframe_decoder_get_funcdesc_v2): New definition.
(sframe_encoder_add_funcdesc_v2): Likewise.
(sframe_header_sanity_check_p): Include SFRAME_VERSION_2.
(sframe_fre_check_range_p): Get rep_block_size info from SFrame
FDE.
* sframe-dump.c (dump_sframe_header): Add support for
SFRAME_VERSION_2.
(dump_sframe): Inform user if SFrame section in SFRAME_VERSION_1
format is seen.
libsframe/testsuite/
* libsframe.decode/DATA-BE: Regenerated data file.
* libsframe.decode/DATA1: Likewise.
* libsframe.decode/DATA2: Likewise.
* libsframe.find/plt-findfre-1.c: Use new API in the testcase.
include/
* sframe.h: Add member to encode size of the code block of
repeating instructions. Add 2 bytes of padding.
* sframe-api.h (sframe_decoder_get_funcdesc_v2): New
declaration.
(sframe_encoder_add_funcdesc_v2): Likewise.
Indu Bhagat [Thu, 29 Jun 2023 23:28:56 +0000 (16:28 -0700)]
libsframe: add new APIs to get SFrame version
While the SFrame preamble is guaranteed to not change between versions,
providing these access APIs from the SFrame decoder and encoder APIs is
for convenience only. The linker may want to use these APIs as the
format evolves.
include/
* sframe-api.h (sframe_decoder_get_version): New declaration.
(sframe_encoder_get_version): Likewise.
libsframe/
* libsframe/libsframe.ver: Add new APIs.
* libsframe/sframe.c (sframe_decoder_get_version): New
definition.
(sframe_encoder_get_version): Likewise.
Now, to find SFrame stack trace information from an FDE of type
SFRAME_FDE_TYPE_PCMASK, sframe_find_fre () was doing an operation
like,
(start_ip_offset & 0xf) >= (pc & 0xf)
This works for pltN entry of size, say, less than 16 bytes. But if the
pltN entries or similar code stubs (for which SFrame FDE of type
SFRAME_FDE_TYPE_PCMASK may be used), evolve to be of size > 16 bytes,
this will cease to work.
To match the range covered by the SFrame FRE, one should instead perform
a modulo operation. The constant for the modulo operation must be the
size of the pltN entry. Further, this constant should ideally be
encoded in the format, as it may be different for each ABI.
In SFrame Version 2 of the format, we will move towards encoding it
explicitly in the SFrame FDE. For now, fix up the logic to at least
move towards modulo operation.
libsframe/
* sframe.c (sframe_fre_check_range_p): New definition.
(sframe_find_fre): Refactor a bit and use the new definition
above.
include/
* sframe.h (SFRAME_FDE_TYPE_PCMASK): Update comment.
libsframe/doc/
* sframe-spec.texi: Fix the text for SFRAME_FDE_TYPE_PCMASK FDE
type.
H.J. Lu [Sat, 7 Mar 2020 16:24:35 +0000 (08:24 -0800)]
ld: Add tests for -z nosectionheader and --strip-section-headers
Add tests to verify that the linker option, -z nosectionheader and
objcopy and strip option, --strip-section-headers, work correctly as well
as linker issues an error when dynamic symbol table from PT_DYNAMIC
segment is used.
H.J. Lu [Thu, 5 Mar 2020 04:32:35 +0000 (20:32 -0800)]
bfd: Improve nm and objdump without section header
When there is no section header in an executable or shared library, we
reconstruct dynamic symbol table from the PT_DYNAMIC segment, which
contains DT_HASH/DT_GNU_HASH/DT_MIPS_XHASH, DT_STRTAB, DT_SYMTAB,
DT_STRSZ, and DT_SYMENT entries, to improve nm and objdump. For DT_HASH,
the number of dynamic symbol table entries equals the number of chains.
For DT_GNU_HASH/DT_MIPS_XHASH, only defined symbols with non-STB_LOCAL
indings are in hash table. Since DT_GNU_HASH/DT_MIPS_XHASH place all
symbols with STB_LOCAL binding before symbols with other bindings and
all undefined symbols defined ones in dynamic symbol table, the highest
symbol index in DT_GNU_HASH/DT_MIPS_XHASH is the highest dynamic symbol
table index. We can also get symbol version from DT_VERSYM, DT_VERDEF
and DT_VERNEED entries.
dt_symtab, dt_versym, dt_verdef, dt_verneed, dt_symtab_count,
dt_verdef_count, dt_verneed_count and dt_strtab are added to
elf_obj_tdata to store dynamic symbol table information.
PR ld/25617
* elf-bfd.h (elf_obj_tdata): Add dt_symtab, dt_verdef, dt_verneed,
dt_symtab_count, dt_verdef_count, dt_verneed_count and dt_strtab.
(elf_use_dt_symtab_p): New.
(_bfd_elf_get_dynamic_symbols): Likewise.
(_bfd_elf_get_section_from_dynamic_symbol): Likewise.
* elf.c (bfd_elf_get_elf_syms): Use dynamic symbol table if
neeeded.
(_bfd_elf_get_dynamic_symtab_upper_bound): Likewise.
(_bfd_elf_slurp_version_tables): Likewise.
(offset_from_vma): New function.
(get_hash_table_data): Likewise.
(_bfd_elf_get_dynamic_symbols): Likewise.
(_bfd_elf_get_section_from_dynamic_symbol): Likewise.
(_bfd_elf_get_symbol_version_name): Likewise.
* elfcode.h (elf_object_p): Call _bfd_elf_get_dynamic_symbols
to reconstruct dynamic symbol table from PT_DYNAMIC segment if
there is no section header.
(elf_slurp_symbol_table): Use dynamic symbol table if neeeded.
Don't free isymbuf when dynamic symbol table is used.
* elflink.c (elf_link_is_defined_archive_symbol): Return wrong
format error when dynamic symbol table is used.
(elf_link_add_object_symbols): Likewise.
H.J. Lu [Wed, 31 May 2023 19:36:49 +0000 (12:36 -0700)]
ELF: Discard non-alloc sections without section header
Discard non-alloc sections when section headers are stripped.
bfd/
PR ld/25617
* elf.c (_bfd_elf_assign_file_positions_for_non_load): Skip
non-load sections without section header.
(_bfd_elf_write_object_contents): Don't set the sh_name field
without section header. Write out the .shstrtab section only
if its sh_offset field isn't -1.
binutils/
PR ld/25617
* objcopy.c (is_strip_section_1): Remove non-alloc sections for
--strip-section-headers.
ld/
PR ld/25617
* ldlang.c (lang_discard_section_p): Discard non-alloc sections
if we are stripping section headers.
Kaylee Blake [Wed, 4 Mar 2020 08:48:07 +0000 (19:18 +1030)]
ELF: Strip section header in ELF objects
Section header isn't mandatory on ELF executable nor shared library.
This patch adds a new linker option, -z nosectionheader, to omit ELF
section header, a new objcopy and strip option, --strip-section-headers,
to remove ELF section headers.
bfd/
2023-06-06 H.J. Lu <hongjiu.lu@intel.com>
Kaylee Blake <klkblake@gmail.com>
Matthias Klose [Thu, 29 Jun 2023 13:30:55 +0000 (14:30 +0100)]
ignore lto-wrapper warnings for lto builds.
I see these warnings from time to time, when configuring a build with --enable-pgo-build=lto, I haven't yet found out why I see these sometime, and why not. E.g. https://gcc.gnu.org/PR109241. Just ignore these when they appear in test cases. lto-wrapper: warning: using serial compilation of N LTRANS jobs
gprofng/ChangeLog
2023-06-26 Vladimir Mezentsev <vladimir.mezentsev@oracle.com>
* Makefile.am: Pass CLOCK_GETTIME_LINK to the testsuite
* Makefile.in: Rebuild.
* testsuite/gprofng.display/gp-archive.exp: New file.
* testsuite/gprofng.display/gp-collect-app_F.exp: New file.
* testsuite/gprofng.display/setpath_map.exp: New file.
* testsuite/lib/smalltest.c: New file.
Andrew Carlotti [Wed, 28 Jun 2023 17:05:28 +0000 (18:05 +0100)]
aarch64: Remove version dependencies from features
Many instructions were enabled only when both a feature flag and a minimum
architecture version are specified. This behaviour differs from GCC, which (in
most cases) allows features to be enabled at any architecture version.
There is no need for the toolchain to restrict combinations of unrelated
features in this way, so this patch removes the unnecessary dependencies.
projects / thirdparty / binutils-gdb.git / log
