GDB Administrator [Mon, 16 Dec 2019 00:01:08 +0000 (00:01 +0000)]
Automatic date update in version.in
Christian Biesinger [Sun, 15 Dec 2019 00:18:49 +0000 (19:18 -0500)]
Update documentation for the default value of main set worker-threads
I forgot to update this documentation when I changed the default for
maint set worker-threads to be 0. This is a branch-only change, because
on trunk this has been changed back to unlimited.
gdb/doc/ChangeLog:
2019-12-15 Christian Biesinger <cbiesinger@google.com>
* gdb.texinfo (Maintenance Commands): Update documentation for
maint set worker-threads to say the default is 0.
Change-Id: I75b74c5da599e657ee94daa8c88b5a097bc58d15
GDB Administrator [Sun, 15 Dec 2019 00:01:31 +0000 (00:01 +0000)]
Automatic date update in version.in
Andrew Burgess [Sat, 14 Dec 2019 23:11:58 +0000 (23:11 +0000)]
gdb/doc: Remove duplicate description of lookup_global_symbol
In this commit:
commit
086baaf1346f07acfb6708e8c6cb79274241488b
Date: Tue Oct 15 16:18:26 2019 +0100
gdb/python: Introduce gdb.lookup_static_symbols
A duplicate description of gdb.lookup_global_symbol was accidentally
added. This commit corrects this mistake and removes the duplicate.
gdb/doc/ChangeLog:
* python.texi (Symbols In Python): Remove duplicate description of
gdb.lookup_global_symbol.
Change-Id: I4457b42cf05bde39e5c0ff39f168af919cad1255
GDB Administrator [Sat, 14 Dec 2019 00:01:00 +0000 (00:01 +0000)]
Automatic date update in version.in
GDB Administrator [Fri, 13 Dec 2019 00:01:02 +0000 (00:01 +0000)]
Automatic date update in version.in
GDB Administrator [Thu, 12 Dec 2019 00:00:55 +0000 (00:00 +0000)]
Automatic date update in version.in
Joel Brobecker [Wed, 11 Dec 2019 21:42:19 +0000 (22:42 +0100)]
Bump GDB version number to 9.0.90.DATE-git.
gdb/ChangeLog:
* version.in: Set GDB version number to 9.0.90.DATE-git.
Joel Brobecker [Wed, 11 Dec 2019 21:42:13 +0000 (22:42 +0100)]
Document the GDB 9.0.90 release in gdb/ChangeLog
gdb/ChangeLog:
GDB 9.0.90 released.
Joel Brobecker [Wed, 11 Dec 2019 20:54:26 +0000 (21:54 +0100)]
Set GDB version number to 9.0.90.
gdb/ChangeLog:
* version.in: Set GDB version number to 9.0.90.
Joel Brobecker [Wed, 11 Dec 2019 20:51:26 +0000 (21:51 +0100)]
gdb/NEWS: Say "Changes in GDB 9" rather than "Changes since GDB 8.3"
gdb/ChangeLog:
* NEWS: Change "Changes since GDB 8.3" into "Changes in GDB 9".
Joel Brobecker [Wed, 11 Dec 2019 20:37:55 +0000 (21:37 +0100)]
Set development mode to "off" by default.
bfd/ChangeLog:
* development.sh (development): Set to false.
Joel Brobecker [Wed, 11 Dec 2019 20:37:08 +0000 (21:37 +0100)]
Bump version to 9.0.90.DATE-git.
Now that the GDB 9 branch has been created, we can
bump the version number.
gdb/ChangeLog:
GDB 9 branch created (
27f7b2f64062ac9e52afc60509263c2702a9ebd0):
* version.in: Bump version to 9.0.90.DATE-git.
Simon Marchi [Wed, 11 Dec 2019 16:30:15 +0000 (11:30 -0500)]
Fix typo, get_Frame_id -> get_frame_id
gdb/doc/ChangeLog:
* gdb.texinfo (Writing JIT Debug Info Readers): Fix typo.
Andre Vieira [Wed, 11 Dec 2019 15:53:26 +0000 (15:53 +0000)]
[gas][arm] Add -mwarn-restrict-it
Add a -m{no-}warn-restrict-it option to control IT related warnings in
ARMv8-A and ARMv8-R. This is disabled by default.
Committed on behalf of Wilco Dijkstra.
gas/ChangeLog:
2019-12-11 Wilco Dijkstra <wdijkstr@arm.com>
* config/tc-arm.c (warn_on_restrict_it): Add new variable.
(it_fsm_post_encode): Check warn_on_restrict_it.
(arm_option_table): Add -mwarn-restrict-it/-mno-warn-restrict-it.
* testsuite/gas/arm/armv8-2-fp16-scalar-bad.d: Add -mwarn-restrict-it.
* testsuite/gas/arm/armv8-2-fp16-scalar-bad-ext.d: Likewise.
* testsuite/gas/arm/armv8-a-bad.d: Likewise.
* testsuite/gas/arm/armv8-a-it-bad.d: Likewise.
* testsuite/gas/arm/armv8-r-bad.d: Likewise.
* testsuite/gas/arm/armv8-r-it-bad.d: Likewise.
* testsuite/gas/arm/sp-pc-validations-bad-t-v8a.d: Likewise.
* testsuite/gas/arm/udf.d: Likewise.
Tom Tromey [Tue, 10 Dec 2019 21:16:19 +0000 (14:16 -0700)]
Fix build on macOS
PR build/25268 points out that the build fails on macOS, because on
macOS the "pthread_setname_np" function takes a single argument.
This patch fixes the problem, by introducing a new adapter function
that handles both styles of pthread_setname_np.
This change also meant moving the pthread_setname_np call to the
thread function, because macOS only permits setting the name of the
current thread. This means that there can be a brief window when gdb
will see the wrong name; but I think this is a minor concern.
Tested by rebuilding on x86-64 Fedora 30, and on macOS High Sierra.
On Linux I also debugged gdb to ensure that the thread names are still
set correctly.
gdb/ChangeLog
2019-12-11 Tom Tromey <tromey@adacore.com>
PR build/25268:
* gdbsupport/thread-pool.c (set_thread_name): New function.
(thread_pool::set_thread_count): Don't call pthread_setname_np.
(thread_pool::thread_function): Call set_thread_name.
Change-Id: Id7bf28d99ca27a893a9fc87ebb90b15a9c2a9cb4
Tom Tromey [Wed, 11 Dec 2019 14:58:46 +0000 (07:58 -0700)]
Fix the build after bfd_get_signed_8 change
A recent commit changed bfd_get_signed_8 to extend the result to a
bfd_signed_vma. This caused a compiler error in one spot in my
--enable-targets=all gdb build, where the result of bfd_get_signed_8
was passed to printf.
This patch fixes the build. Tested by rebuilding.
gdb/ChangeLog
2019-12-11 Tom Tromey <tromey@adacore.com>
* fbsd-tdep.c (fbsd_core_info_proc_status): Cast result of
bfd_get_signed_8.
Change-Id: Ic015f5fd3d88da6b5da8f7b4e1d11d5c981333db
Alan Modra [Wed, 11 Dec 2019 06:15:14 +0000 (16:45 +1030)]
Remove more shifts for sign/zero extension
cpu/
* epiphany.cpu (f-sdisp11): Don't sign extend with shifts.
* lm32.cpu (f-branch, f-vall): Likewise.
* m32.cpu (f-lab-8-16): Likewise.
opcodes/
* arc-dis.c (BITS): Don't truncate high bits with shifts.
* nios2-dis.c (nios2_print_insn_arg): Don't sign extend with shifts.
* tic54x-dis.c (print_instruction): Likewise.
* tilegx-opc.c (parse_insn_tilegx): Likewise.
* tilepro-opc.c (parse_insn_tilepro): Likewise.
* visium-dis.c (disassem_class0): Likewise.
* pdp11-dis.c (sign_extend): Likewise.
(SIGN_BITS): Delete.
* epiphany-ibld.c: Regenerate.
* lm32-ibld.c: Regenerate.
* m32c-ibld.c: Regenerate.
Alan Modra [Wed, 11 Dec 2019 03:02:25 +0000 (13:32 +1030)]
bfd signed overflow fixes
Aimed at quietening ubsan.
include/
* opcode/mmix.h (PUSHGO_INSN_BYTE): Make unsigned.
(GO_INSN_BYTE, SETL_INSN_BYTE, INCML_INSN_BYTE, INCMH_INSN_BYTE),
(INCH_INSN_BYTE, SWYM_INSN_BYTE, JMP_INSN_BYTE): Likewise.
bfd/
* elf32-rx.c (elf32_rx_relax_section): Avoid signed overflow.
* libaout.h (N_SET_INFO, N_SET_FLAGS): Likewise.
* netbsd.h (write_object_contents): Likewise.
* elf32-arm.c (bfd_elf32_arm_vfp11_erratum_scan): Likewise.
* libhppa.h (HPPA_R_CONSTANT): Don't signed extend with shifts.
(stm32l4xx_create_replacing_stub_vldm): Don't truncate high bits
with shifts.
* elf32-nds32.h (R_NDS32_RELAX_ENTRY_DISABLE_RELAX_FLAG): Define
using 1u shifted left. Ditto for other macros.
* mmo.c (LOP): Make unsigned.
Alan Modra [Wed, 11 Dec 2019 10:36:17 +0000 (21:06 +1030)]
Make bfd_get_8 return a bfd_vma like other bfd_get_* functions
And similarly for bfd_get_signed_8.
bfd/
* libbfd.c (bfd_get_8): Return a bfd_vma.
(bfd_get_signed_8): Return a bfd_signed_vma.
* bfd-in2.h: Regenerate.
binutils/
* od-xcoff.c (dump_dumpx_core): Adjust for bfd_h_get_8 change.
Jan Beulich [Wed, 11 Dec 2019 08:42:29 +0000 (09:42 +0100)]
x86: further refine SSE check (SSE4a, SHA, GFNI)
In ("x86: extend SSE check to PCLMULQDQ, AES, and GFNI insns") I went
both a little too far and not quite far enough:
- GFNI insns also have AVX512 variants, which also shouldn't get
diagnosed,
- SSE4a insns should get diagnosed just like SSE4.x ones,
- SHA insns should get diagnosed just like PCLMULQDQ or AES ones.
Philippe Waroquiers [Wed, 7 Aug 2019 18:50:54 +0000 (20:50 +0200)]
Implement 'print -raw-values' and 'set print raw-values on|off'
The option framework documentation was speaking about a 'print -raw'
option, but this option does not exist.
This patch implements -raw-values option that tells to ignore the
active pretty printers when printing a value.
As we already have -raw-frame-arguments, I thought -raw-values
was more clear, in particular to differentiate
set print raw-values and set print raw-frame-arguments.
gdb/doc/ChangeLog
2019-12-11 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* gdb.texinfo (Command Options): Use -p and -pretty in the example,
as -r is ambiguous. Update the print - TAB TAB completion result.
(Data): Document new option -raw-values. Use -p and -pretty in the
example, as -r is ambiguous.
(Print Settings): Document set print raw values.
(Pretty-Printer Commands): Document interaction between enabled
pretty printers and -raw-values/-raw-frame-arguments.
gdb/ChangeLog
2019-12-11 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* NEWS: Document -raw-values option and the related setting commands.
* printcmd.c (print_command_parse_format): Do not set opts->raw off,
only set it on when /r is given.
* valprint.c (value_print_option_defs): New element raw-values.
* Makefile.in: Add the new file.
gdb/testsuite/ChangeLog
2019-12-11 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* gdb.base/options.exp: Add -raw-values in the print completion list.
* gdb.python/py-prettyprint.exp: Add tests for -raw-values.
Alan Modra [Wed, 11 Dec 2019 02:41:07 +0000 (13:11 +1030)]
Re: ubsan: ns32k: left shift cannot be represented in type
* ns32k-dis.c (sign_extend): Correct last patch.
Alan Modra [Tue, 10 Dec 2019 22:27:45 +0000 (08:57 +1030)]
ubsan: vax: left shift cannot be represented in type 'int'
* vax-dis.c (NEXTLONG): Avoid signed overflow.
Alan Modra [Tue, 10 Dec 2019 22:23:50 +0000 (08:53 +1030)]
ubsan: v850: left shift cannot be represented in type 'long'
* v850-dis.c (get_operand_value): Use unsigned arithmetic. Don't
sign extend using shifts.
Alan Modra [Tue, 10 Dec 2019 22:22:22 +0000 (08:52 +1030)]
ubsan: tic6x: shift left of int
* tic6x-dis.c (tic6x_extract_32): Avoid signed overflow.
Alan Modra [Tue, 10 Dec 2019 22:17:35 +0000 (08:47 +1030)]
ubsan: tic4x: segv and signed shifts
* tic4x-dis.c (tic4x_print_register): Formatting. Don't segfault
on NULL registertable entry.
(tic4x_hash_opcode): Use unsigned arithmetic.
Alan Modra [Tue, 10 Dec 2019 22:07:53 +0000 (08:37 +1030)]
ubsan: s12z: left shift cannot be represented in type 'int'
* s12z-opc.c (z_decode_signed_value): Avoid signed overflow.
Alan Modra [Tue, 10 Dec 2019 22:04:57 +0000 (08:34 +1030)]
ubsan: ns32k: left shift cannot be represented in type 'int'
* ns32k-dis.c (bit_extract): Use unsigned arithmetic.
(bit_extract_simple, sign_extend): Likewise.
Alan Modra [Tue, 10 Dec 2019 22:02:18 +0000 (08:32 +1030)]
ubsan: nios2: left shift cannot be represented in type 'int'
* nios2-dis.c (nios2_print_insn_arg): Use 1u << 31.
Alan Modra [Tue, 10 Dec 2019 21:56:58 +0000 (08:26 +1030)]
ubsan: moxie: left shift of negative value
* moxie-dis.c (INST2OFFSET): Don't sign extend using shifts.
Alan Modra [Tue, 10 Dec 2019 21:53:33 +0000 (08:23 +1030)]
ubsan: m68k: left shift cannot be represented in type 'int'
* m68k-dis.c (COERCE32): Cast value first.
(NEXTLONG, NEXTULONG): Avoid signed overflow.
Alan Modra [Tue, 10 Dec 2019 13:23:57 +0000 (23:53 +1030)]
ubsan: h8300: left shift cannot be represented in type 'int'
This is
*cst = (data[0] << 24) + (data[1] << 16) + (data[2] << 8) + data[3];
data is unsigned char which promotes to int.
* h8300-dis.c (extract_immediate): Avoid signed overflow.
(bfd_h8_disassemble): Likewise.
Alan Modra [Tue, 10 Dec 2019 13:20:02 +0000 (23:50 +1030)]
ussan: d30v: index out of bounds
* d30v-dis.c (print_insn): Make opind unsigned. Don't access
past end of operands array.
Alan Modra [Tue, 10 Dec 2019 13:07:03 +0000 (23:37 +1030)]
ubsan: csky: left shift cannot be represented in type 'int'
In the following buf is an unsigned char array, so elements are
promoted to int before arithmetic operations.
if (dis_info.info->endian == BFD_ENDIAN_BIG)
while (n--)
val |= buf[n] << (n*8);
else
for (i = 0; i < n; i++)
val |= buf[i] << (i*8);
* csky-dis.c (csky_chars_to_number): Rewrite. Avoid signed
overflow when collecting bytes of a number.
Alan Modra [Tue, 10 Dec 2019 12:52:10 +0000 (23:22 +1030)]
ubsan: cris: signed integer overflow
This was the following in print_with_operands
case 4:
number
= buffer[2] + buffer[3] * 256 + buffer[4] * 65536
+ buffer[5] * 0x1000000;
and buffer[5] * 0x1000000 can indeed overflow. So to fix this we need
to use unsigned arithmetic where overflow semantics are specified.
But number is a long, and the expression is int which will be sign
extended to long. If we make the expression unsigned it will be zero
extended. So make number an int32_t and rearrange a little for some
of the places that need fixing.
* cris-dis.c (print_with_operands): Avoid signed integer
overflow when collecting bytes of a 32-bit integer.
Alan Modra [Tue, 10 Dec 2019 12:32:37 +0000 (23:02 +1030)]
ubsan: cr16: left shift cannot be represented in type 'int'
This was:
unsigned long mask = SBM (instruction->match_bits);
with
#define SBM(offs) ((((1 << (32 - offs)) -1) << (offs)))
Well, there are a couple of problems. Firstly, the expression uses
int values (1 rather than 1u or 1ul) resulting in the ubsan error, and
secondly, a zero offs will result in a 32-bit shift which is undefined
if ints are only 32 bits.
* cr16-dis.c (EXTRACT, SBM): Rewrite.
(cr16_match_opcode): Delete duplicate bcond test.
Alan Modra [Tue, 10 Dec 2019 12:02:06 +0000 (22:32 +1030)]
ubsan: bfin: shift exponent is too large
This was the following in fmtconst_val, x is unsigned int.
x = SIGNEXTEND (x, constant_formats[cf].nbits);
Problem is, the SIGNEXTEND macro assumed its arg was a long and sign
extended by shifting left then shifting right, and didn't cast the
arg. So don't do the silly shift thing. It's not guaranteed to work
anyway according to the C standard. ">>" might do a logical shift
even if its args are signed.
* bfin-dis.c (HOST_LONG_WORD_SIZE, XFIELD): Delete.
(SIGNBIT): New.
(MASKBITS, SIGNEXTEND): Rewrite.
(fmtconst): Don't use ? expression now that SIGNEXTEND uses
unsigned arithmetic, instead assign result of SIGNEXTEND back
to x.
(fmtconst_val): Use 1u in shift expression.
Alan Modra [Tue, 10 Dec 2019 08:39:47 +0000 (19:09 +1030)]
ubsan: arc: shift exponent 32 is too large for 32-bit type 'int'
When operand->bits is 32, the following results in UB.
value = (insn >> operand->shift) & ((1 << operand->bits) - 1);
* arc-dis.c (find_format_from_table): Use ull constant when
shifting by up to 32.
Alan Modra [Tue, 10 Dec 2019 08:34:37 +0000 (19:04 +1030)]
aarch64 disassembler infinite loop
Assembling this to an object and trying to disassemble results in
objdump -d looping forever.
.inst 0x45205120
PR 25270
* aarch64-dis.c (aarch64_decode_variant_using_iclass): Return
false when field is zero for sve_size_tsz_bhs.
Alan Modra [Tue, 10 Dec 2019 08:28:38 +0000 (18:58 +1030)]
ubsan: left shift of cannot be represented in type 'int'
* dis-asm.h (INSN_HAS_RELOC, DISASSEMBLE_DATA),
(USER_SPECIFIED_MACHINE_TYPE, WIDE_OUTPUT): Make unsigned.
* opcode/tic80.h (TIC80_OPERAND_*): Likewise.
Alan Modra [Tue, 10 Dec 2019 07:42:28 +0000 (18:12 +1030)]
ubsan: xtensa: left shift cannot be represented in type 'int'
In Operand_soffsetx4_decode:
soffsetx4_0 = 0x4 + ((((int) offset_0 << 14) >> 14) << 2);
and other places.
Don't sign extend with shifts! This file also has many occurrences of
truncation via shifts, which aren't a problem due to using uint32, but
I dislike on principle enough to fix.
* xtensa-modules.c (Field_* functions): Don't mask using shifts.
(Operand_soffsetx4_decode, Operand_simm4_decode),
(Operand_simm8_decode, Operand_simm8x256_decode),
(Operand_simm12b_decode, Operand_label8_decode),
(Operand_label12_decode, Operand_soffset_decode),
(Operand_xt_wbr15_label_decode, Operand_xt_wbr18_label_decode): Don't
sign extend using shifts.
(Operand_immrx4_decode, Operand_uimm16x4_decode): Avoid UB in
constant.
Alan Modra [Tue, 10 Dec 2019 07:36:09 +0000 (18:06 +1030)]
ubsan: epiphany: left shift of negative value
Two places in epiphany_cgen_extract_operand, "value" is a long.
value = ((((value) << (1))) + (pc));
cpu/
* epiphany.cpu (f-simm8, f-simm24): Use multiply rather than
shift left to avoid UB on left shift of negative values.
opcodes/
* epiphany-ibld.c: Regenerate.
Alan Modra [Tue, 10 Dec 2019 07:27:14 +0000 (17:57 +1030)]
ubsan: ia64: left shift of negative value
Here, since val is signed:
*valuep = (val << scale);
* cpu-ia64-opc.c (ext_imms_scaled): Avoid undefined left shift
of negative values by using unsigned vars.
GDB Administrator [Wed, 11 Dec 2019 00:00:25 +0000 (00:00 +0000)]
Automatic date update in version.in
Tom Tromey [Wed, 20 Nov 2019 23:07:46 +0000 (16:07 -0700)]
Minor fix to gdb.prompt documentation
I noticed that an example in the gdb.prompt documentation used the
wrong kind of quotes -- because it is code, it should use a plain
ASCII quotation mark. I also slightly shortened the sample text here,
so it would more clearly fit on a single line.
gdb/doc/ChangeLog
2019-12-10 Tom Tromey <tom@tromey.com>
* python.texi (gdb.prompt): Use correct quotes in example.
Shorten sample text.
Change-Id: I4153928c0d88001244ad410f3943c952a6ebfeb1
Kevin Buettner [Wed, 20 Sep 2017 22:40:14 +0000 (15:40 -0700)]
OpenMP parallel region scope tests
Add tests which check for accessibility of variables from within
various OpenMP parallel regions.
Tested on Fedora 27, 28, 29, 30, and 31. I also tested with my OpenMP
work on Fedora 30. The test has been annotated with setup_xfail and
setup_kfail statements so that there are no unexpected failures on any
of these platforms when using gcc. Better still, for my own testing
anyway, is that there are also no XPASSes or KPASSes either. So,
regardless of platform, when using gcc, and regardless of whether my
(not yet public) OpenMP work is used, seeing a FAIL indicates a real
problem.
Fedora 27 results:
# of expected passes 85
# of expected failures 65
(Note: I have not retested F27 since v1 of the patch; it's possible
that the numbers will be slightly different for v2.)
Fedora 28, 29, 30 results:
# of expected passes 131
# of expected failures 4
# of known failures 16
Fedora 30, 31 results w/ my OpenMP work:
# of expected passes 151
The above results all use gcc, either the system gcc or a development
gcc (when testing against my OpenMP work in GDB). I've also tested
with clang 9.0.0 and icc 19.0.5.281
20190815 on Fedora 31.
Fedora 31, clang:
FAIL: gdb.threads/omp-par-scope.exp: single_scope: first thread: print s1
FAIL: gdb.threads/omp-par-scope.exp: single_scope: first thread: print s3
FAIL: gdb.threads/omp-par-scope.exp: single_scope: first thread: print i1
FAIL: gdb.threads/omp-par-scope.exp: single_scope: first thread: print i3
FAIL: gdb.threads/omp-par-scope.exp: single_scope: second thread: print s1
FAIL: gdb.threads/omp-par-scope.exp: single_scope: second thread: print s3
FAIL: gdb.threads/omp-par-scope.exp: single_scope: second thread: print i1
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: first thread: print i02
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: first thread: print i11
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: first thread: print i12
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: first thread: print i22
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: first thread: print file_scope_var
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: second thread: print i11
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: second thread: print file_scope_var
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: after parallel: print file_scope_var
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 1st stop: print file_scope_var
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 1st stop: print num
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 1st stop: print l
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 1st stop: print k
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 2nd stop: print file_scope_var
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 2nd stop: print num
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 3rd stop: print file_scope_var
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 3rd stop: print num
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 3rd stop: print l
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 3rd stop: print k
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 4th stop: print file_scope_var
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 4th stop: print num
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: outer_threads: outer stop: print file_scope_var
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: outer_threads: outer stop: print i
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: outer_threads: outer stop: print j
Fedora 31, icc:
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: first thread: print i12
FAIL: gdb.threads/omp-par-scope.exp: multi_scope: first thread: print i22
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 1st call: 1st thread: print s1
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 1st call: 1st thread: print i
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 1st call: 1st thread: print j
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 1st call: 2nd thread: print s1
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 1st call: 2nd thread: print i
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 1st call: 2nd thread: print j
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 1st call: 2nd thread: print k
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 1st call: 2nd thread: print z
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 2nd call: 1st thread: print s1
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 2nd call: 1st thread: print i
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 2nd call: 1st thread: print j
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 2nd call: 2nd thread: print s1
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 2nd call: 2nd thread: print i
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 2nd call: 2nd thread: print j
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 2nd call: 2nd thread: print k
FAIL: gdb.threads/omp-par-scope.exp: nested_func: 2nd call: 2nd thread: print z
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 1st stop: print l
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 1st stop: print k
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 3rd stop: print l
FAIL: gdb.threads/omp-par-scope.exp: nested_parallel: inner_threads: 3rd stop: print k
For both clang and icc, it turns out that there are some problems with
the DWARF that these compilers generate. Of the two, icc does at
least nest the subprogram of the outlined function representing the
parallel region within the function that it's defined, but does not
handle inner scopes if they exist. clang places the subprogram for
the outlined function at the same level as the containing function, so
variables declared within the function aren't visible at all.
I could call setup_xfail to avoid FAILs for clang and icc also, but I don't
want to further complicate the test.
gdb/testsuite/ChangeLog:
* gdb.threads/omp-par-scope.c: New file.
* gdb/threads/omp-par-scope.exp: New file.
Change-Id: Icb9c991730d84ca7509380af817dfcc778e764ea
Kevin Buettner [Sat, 9 Nov 2019 18:09:41 +0000 (11:09 -0700)]
Add gdb_caching_proc support_nested_function_tests to lib/gdb.exp
This commit adds the gdb_caching_proc, support_nested_function_tests,
to lib/gdb.exp. It tests to see whether or not the C compiler has
support for nested function calls.
gdb/testsuite/ChangeLog:
* lib/gdb.exp (support_nested_function_tests): New proc.
Change-Id: Ic2c93bc4cc200e07e104a2398f89a9c0514bdc75
Kevin Buettner [Thu, 22 Aug 2019 02:32:12 +0000 (19:32 -0700)]
Add gdb_compile_openmp to lib/gdb.exp
gdb/testsuite/ChangeLog:
* lib/gdb.exp (gdb_compile_openmp): New proc.
(build_executable_from_specs): Add an "openmp" option.
(gdb_compile_pthreads): Add non-executable case.
Change-Id: I94048b8b0940c707ce0529a6bcfa6e4eace49101
Christian Biesinger [Tue, 10 Dec 2019 19:42:40 +0000 (13:42 -0600)]
Suppress the "unused function" warning for select_strerror_r
We only ever use one of the two overloads, so to avoid breaking -Werror
builds, supress the warning.
gdb/ChangeLog:
2019-12-10 Christian Biesinger <cbiesinger@google.com>
* gdbsupport/safe-strerror.c: Supress the unused function warning
for select_strerror_r.
Change-Id: I344869a382bb36fe181b5b2a31838d1d20f58169
Christian Biesinger [Wed, 6 Nov 2019 19:57:52 +0000 (13:57 -0600)]
Replace the remaining uses of strerror with safe_strerror
To do that, this patch makes IPA compile safe-strerror as well. Because
it doesn't use Gnulib, it calls the Glibc version of strerror_r directly.
Consequently this patch also removes the configure checks for strerror.
gdb/ChangeLog:
2019-12-10 Christian Biesinger <cbiesinger@google.com>
* config.in: Regenerate.
* configure: Regenerate.
* gdbsupport/agent.c (gdb_connect_sync_socket): Call
safe_strerror instead of strerror.
* gdbsupport/common.m4: Don't check for strerror.
* gdbsupport/safe-strerror.c: Support both the glibc version
of strerror_r and the XSI version.
gdb/gdbserver/ChangeLog:
2019-12-10 Christian Biesinger <cbiesinger@google.com>
* Makefile.in: Add safe-strerror.c to gdbreplay and IPA, and change
UNDO_GNULIB_CFLAGS to undo strerror_r instead of strerror.
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac: Don't check for strerror.
* linux-i386-ipa.c (initialize_fast_tracepoint_trampoline_buffer):
Call safe_strerror instead of strerror.
* server.h (strerror): Remove this now-unnecessary declaration.
* tracepoint.c (init_named_socket): Call safe_strerror instead of
strerror.
(gdb_agent_helper_thread): Likewise.
* utils.c (perror_with_name): Likewise.
Change-Id: I74848f072dcde75cb55c435ef9398dc8f958cd73
Andre Vieira [Tue, 10 Dec 2019 16:10:17 +0000 (16:10 +0000)]
[gas][arm] Set context table for '.arch_extension'
This patch fixes .arch_extension behaviour.
Currently, context table for '.arch_extension' is only set while
"-march" processing, but it is not set while .arch processing,
so following code is rejected
.syntax unified
.thumb
.arch armv8.1-m.main
.arch_extension mve.fp
unless -march=armv8.1-m.main is given.
Committing on behalf of Vladimir Murzin
gas/ChangeLog:
2019-12-10 Vladimir Murzin <vladimir.murzin@arm.com>
* config/tc-arm.c (s_arm_arch): Set selected_ctx_ext_table.
* testsuite/gas/arm/mve-arch-ext.s: New.
* testsuite/gas/arm/mve-arch-ext.d: New.
Tom Tromey [Tue, 3 Dec 2019 20:31:21 +0000 (13:31 -0700)]
Normalize Ada ptype to use a single "?"
Sometimes -- notably with unchecked unions -- the Ada "ptype" code
will print a "?" or "??" to indicate something unknown. The choice of
what was printed was somewhat arbitrary, and in one case, Ada would
print an empty string rather than "?".
This patch normalizes the Ada code to use "?" rather than an empty
string or "??". My reasoning here is that a single question mark is
enough to convey unknown-ness.
gdb/ChangeLog
2019-12-10 Tom Tromey <tromey@adacore.com>
* ada-typeprint.c (print_choices): Use a single "?".
(print_variant_part): Print "?" if the discriminant name
is not known.
gdb/testsuite/ChangeLog
2019-12-10 Tom Tromey <tromey@adacore.com>
* gdb.ada/unchecked_union.exp: New file.
* gdb.ada/unchecked_union/pck.adb: New file.
* gdb.ada/unchecked_union/pck.ads: New file.
* gdb.ada/unchecked_union/unchecked_union.adb: New file.
* gdb-utils.exp (string_to_regexp): Also quote "?".
Change-Id: I3403040780a155ffa2c44c8e6a04ba86bc810e29
GDB Administrator [Tue, 10 Dec 2019 00:00:15 +0000 (00:00 +0000)]
Automatic date update in version.in
Alan Modra [Mon, 9 Dec 2019 10:04:49 +0000 (20:34 +1030)]
PR24960, Memory leak from disassembler
PR 24960
include/
* dis-asm.h (disassemble_free_target): Declare.
opcodes/
* disassemble.c (disassemble_free_target): New function.
binutils/
* objdump.c (disassemble_data): Call disassemble_free_target.
Alan Modra [Mon, 9 Dec 2019 12:16:26 +0000 (22:46 +1030)]
Use disassemble_info.private_data in place of insn_sets
No cgen target uses private_data. This patch removes a
disassemble_info field that is only used by cgen, and instead uses
private_data. It also removes a macro that is no longer used.
include/
* dis-asm.h (struct disassemble_info): Delete insn_sets.
(INIT_DISASSEMBLE_INFO_NO_ARCH): Don't define.
opcodes/
* cgen-dis.in (print_insn_@arch@): Replace insn_sets with private_data.
* disassemble.c (disassemble_init_for_target): Likewise.
* bpf-dis.c: Regenerate.
* epiphany-dis.c: Regenerate.
* fr30-dis.c: Regenerate.
* frv-dis.c: Regenerate.
* ip2k-dis.c: Regenerate.
* iq2000-dis.c: Regenerate.
* lm32-dis.c: Regenerate.
* m32c-dis.c: Regenerate.
* m32r-dis.c: Regenerate.
* mep-dis.c: Regenerate.
* mt-dis.c: Regenerate.
* or1k-dis.c: Regenerate.
* xc16x-dis.c: Regenerate.
* xstormy16-dis.c: Regenerate.
Alan Modra [Mon, 9 Dec 2019 12:27:15 +0000 (22:57 +1030)]
Remove backup ppc struct dis_private.
ppc-dis.c used a global struct whenever malloc failed to provide the
eight bytes of memory necessary for struct dis_private. Which is
quite ridiculous. If that malloc failed there is zero chance some
other malloc won't fail too.
* ppc-dis.c (private): Delete variable.
(get_powerpc_dialect): Don't segfault on NULL info->private_data.
(powerpc_init_dialect): Don't use global private.
Alan Modra [Mon, 9 Dec 2019 10:17:04 +0000 (20:47 +1030)]
Delete duplicate struct objdump_disasm_info field
objdump_disasm_info.sec duplicates disassemble_info.section
* objdump.c (struct objdump_disasm_info): Delete "sec".
(find_symbol_for_address): Use inf->section rather than aux->sec.
(objdump_print_addr, disassemble_bytes): Likewise.
(disassemble_section): Don't set aux->sec.
Alan Modra [Sat, 7 Dec 2019 05:34:33 +0000 (16:04 +1030)]
s12z-opc.c formatting fixes
Wrap overlong lines, whitespace fixes, and for function definitions
start a line with the name of the function.
* s12z-opc.c: Formatting.
George Barrett [Mon, 9 Dec 2019 21:28:39 +0000 (08:28 +1100)]
Fix scripted probe breakpoints
The documentation for make-breakpoint from the Guile API and the `spec'
variant of the gdb.Breakpoint constructor from the Python API state that
the format acceptable for location strings is the same as that accepted
by the break command. However, using the -probe qualifier at the
beginning of the location string causes a GDB internal error as it
attempts to decode a probe location in the wrong code path. Without this
functionality, there doesn't appear to be another way to set breakpoints
on probe points from Python or Guile scripts.
This patch introduces a new helper function that returns a
breakpoint_ops instance appropriate for a parsed location and updates
the Guile and Python bindings to use said function, rather than the
current hard-coded use of bkpt_breakpoint_ops. Since this logic is
duplicated in the handling of the `break' and `trace' commands, those
are also updated to call into the new helper function.
gdb/ChangeLog:
2019-12-10 George Barrett <bob@bob131.so>
Fix scripted probe breakpoints.
* breakpoint.c (tracepoint_probe_breakpoint_ops): Move
declaration forward.
(breakpoint_ops_for_event_location_type)
(breakpoint_ops_for_event_location): Add function definitions.
(break_command_1, trace_command): Use
breakpoint_ops_for_event_location.
* breakpoint.h (breakpoint_ops_for_event_location): Add function
declarations.
* guile/scm-breakpoint.c (gdbscm_register_breakpoint_x): Use
breakpoint_ops_for_event_location.
* python/py-breakpoint.c (bppy_init): Use
breakpoint_ops_for_event_location.
gdb/testsuite/ChangeLog:
2019-12-10 George Barrett <bob@bob131.so>
Test scripted probe breakpoints.
* gdb.guile/scm-breakpoint.c (main): Add probe point.
* gdb.python/py-breakpoint.c (main): Likewise.
* gdb.guile/scm-breakpoint.exp (test_bkpt_probe): Add probe
specifier test.
* gdb.python/py-breakpoint.exp (test_bkpt_probe): Likewise.
Tankut Baris Aktemur [Mon, 9 Dec 2019 16:07:47 +0000 (17:07 +0100)]
gdb: rank an lvalue argument incompatible for an rvalue parameter
Passing an lvalue argument to a function that takes an rvalue parameter
is not allowed per C++ rules. Consider this function:
int g (int &&x) { return x; }
Calling g as in
int i = 5;
int j = g (i);
is illegal. For instance, GCC 9.2.1 yields
~~~
test.cpp: In function ‘int main()’:
test.cpp:6:14: error: cannot bind rvalue reference of type ‘int&&’ to
lvalue of type ‘int’
6 | int j = g (i);
| ^
~~~
GDB currently allows this function call:
~~~
(gdb) print g(i)
$1 = 5
~~~
Fix this by ranking an lvalue argument incompatible with an rvalue
parameter. The behavior after this patch is:
~~~
(gdb) print g(i)
Cannot resolve function g to any overloaded instance
~~~
Tested with GCC 9.2.1.
gdb/ChangeLog:
2019-12-09 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdbtypes.c (rank_one_type): Return INCOMPATIBLE_TYPE_BADNESS
when ranking an lvalue argument for an rvalue parameter.
gdb/testsuite/ChangeLog:
2019-12-09 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdb.cp/rvalue-ref-overload.cc (g): New function that takes
an rvalue parameter.
* gdb.cp/rvalue-ref-overload.exp: Test calling it with an lvalue
parameter.
Change-Id: I4a6dfc7dac63efa1e3b9f8f391e4b736fbdccdc1
Andrew Burgess [Tue, 3 Dec 2019 20:41:27 +0000 (20:41 +0000)]
gdb/fortran: Improve output pattern in gdb.mi/mi-fortran-modules.exp
Extend the output pattern in mi-fortran-modules.exp to skip some
system modules that appear with versions of GFortran after 7.x.x.
gdb/testsuite/ChangeLog:
* gdb.mi/mi-fortran-modules.exp: Add patterns to skip system
modules.
Change-Id: I64aaa395e554a32e8267ffa096faee53c19c0b9e
Andrew Burgess [Tue, 3 Dec 2019 19:15:06 +0000 (19:15 +0000)]
gdb/testsuite: kfail some tests if using broken gcc
In some cases the Fortran stride information generated by GCC is wrong
with versions of GCC after 7.x.x. This commit adds kfails for the
tests in question with known bad versions of gcc.
The bug has been reported to GCC here:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92775
gdb/testsuite/ChangeLog:
* gdb.fortran/derived-type-striding.exp: KFAIL if we are using a
broken version of GCC.
Change-Id: Iaef08e5e2c87ab3d6983b88f749d40e01aea2bc6
Andrew Burgess [Tue, 3 Dec 2019 13:18:43 +0000 (13:18 +0000)]
gdb/testsuite/fortran: Fix info-modules/info-types for gfortran 8+
The gdb.fortran/info-modules.exp and gdb.fortran/info-types.exp tests
are failing on versions of gfortran after 7.3 due to the inclusion of
extra "system" modules and type that were not being matched by the
current test patterns.
Rather than building increasingly complex patterns that would always
be at risk of breaking with future versions of GCC I have instead
added a new library that parses the output of the following commands:
info types
info variables
info functions
info modules
info module functions
info module variables
into a data structure, the test can than run checks against the
contents of this data structure.
The benefit is that we can simply ignore extra results that we don't
care about.
There is a small risk that a bug in GDB might allow us to start
reporting incorrect results in such a way that the new library will
not spot the error. However, I have tried to mitigate this risk by
adding extra procedures into the test library (see check_no_entry) and
we can add more in future if we wanted to be even more defensive.
I tested this test file with gFortran 7.3.1, 8.3.0, and 9.2.0, I now
see 100% pass in all cases.
gdb/testsuite/ChangeLog:
* gdb.fortran/info-modules.exp: Rewrite to make use of new
sym-info-cmds library.
* gdb.fortran/info-types.exp: Likewise.
* lib/sym-info-cmds.exp: New file.
Change-Id: Iff81624f51b5afb6c95393932f3d94472d7c2970
Wataru Ashihara [Sun, 8 Dec 2019 08:00:43 +0000 (17:00 +0900)]
gdb/darwin-nat.c: Fix template argument for scoped_restore_tmpl
This should be the type of startup_with_shell, whose type was changed
from int to bool at commit
80fd28264.
This fixes the build on macOS:
CXX darwin-nat.o
In file included from ../../gdb/darwin-nat.c:22:
In file included from ../../gdb/top.h:25:
In file included from ../../gdb/value.h:23:
In file included from ../../gdb/frame.h:72:
In file included from ../../gdb/language.h:26:
In file included from ../../gdb/symtab.h:33:
../../gdb/gdbsupport/gdb_optional.h:155:19: error: no matching constructor for initialization of 'scoped_restore_tmpl<int>'
new (&m_item) T (std::forward<Args>(args)...);
^ ~~~~~~~~~~~~~~~~~~~~~~~~
../../gdb/darwin-nat.c:1995:31: note: in instantiation of function template specialization 'gdb::optional<scoped_restore_tmpl<int> >::emplace<bool *, int>' requested here
restore_startup_with_shell.emplace (&startup_with_shell, 0);
^
../../gdb/gdbsupport/scoped_restore.h:69:3: note: candidate constructor template not viable: no known conversion from 'bool *' to 'int *' for 1st argument
scoped_restore_tmpl (T *var, T2 value)
^
../../gdb/gdbsupport/scoped_restore.h:57:3: note: candidate constructor not viable: requires single argument 'var', but 2 arguments were provided
scoped_restore_tmpl (T *var)
^
../../gdb/gdbsupport/scoped_restore.h:76:3: note: candidate constructor not viable: requires single argument 'other', but 2 arguments were provided
scoped_restore_tmpl (const scoped_restore_tmpl<T> &other)
^
1 error generated.
gdb/ChangeLog
2019-12-08 Wataru Ashihara <wataash@wataash.com>
* darwin-nat.c (darwin_nat_target::create_inferior): Fix
template argument for scoped_restore_tmpl from bool to int.
Change-Id: Ia0202efd34dbce69b6af5d035fa55ed89215138a
Jan Beulich [Mon, 9 Dec 2019 12:32:11 +0000 (13:32 +0100)]
x86/Intel: fold "xmmword" with "oword"
These are full aliases of one another, so there's no real need to use
distinct O_md* values for them.
Jan Beulich [Mon, 9 Dec 2019 12:31:39 +0000 (13:31 +0100)]
x86/Intel: support "mmword ptr"
This is an alias of "qword ptr", commonly used with MMX insns.
At this occasion also test (alongside the newly supported "mmword")
- "zmmword" used as expression,
- PADDB with "oword ptr" (aliasing "xmmword ptr").
Jan Beulich [Mon, 9 Dec 2019 12:31:07 +0000 (13:31 +0100)]
x86/Intel: fix "near ptr" / "far ptr" handling
Commit
dc2be329b950 ("i386: Only check suffix in instruction mnemonic")
broke rejecting of these for floating point insns. Fix this by setting
the "byte" operand attribute, which will now (again) cause an error.
Furthermore the diagnostic for the "far ptr" case in general and for the
"near ptr" case in the non-float cases became "invalid instruction
suffix" instead of the intended "operand size mismatch". Fix this by
also setting the "tbyte" operand attribute (no insn template accepts
both byte and tbyte operands).
Jan Beulich [Mon, 9 Dec 2019 12:29:44 +0000 (13:29 +0100)]
x86/Intel: drop pointless suffix setting for "tbyte ptr"
There are extremely few insns accepting "tbyte ptr" operand, so the
"tbyte" operand flag checking done by match_operand_size() is already
sufficient; the setting of the suffix has become meaningless anyway
with
dc2be329b950 ("i386: Only check suffix in instruction mnemonic").
Fold the code with that setting the "byte" operand flag to force an
error (no insn at all accepts both "byte ptr" and tbyte ptr" operands,
except for AnySize ones where the two (conflicting) recorded types
don't matter (operand_size_match() doesn't call match_operand_size() in
this case).
Jan Beulich [Mon, 9 Dec 2019 12:29:14 +0000 (13:29 +0100)]
x86/Intel: drop pointless suffix setting for "fword ptr"
No floating point insn accepts an "fword ptr" operand, so the "fword"
operand flag checking done by match_mem_size() is already sufficient;
the setting of the suffix has become meaningless anyway with
dc2be329b950 ("i386: Only check suffix in instruction mnemonic").
Jan Beulich [Mon, 9 Dec 2019 12:28:43 +0000 (13:28 +0100)]
x86/Intel: drop pointless special casing of LxS
LDS et al don't accept "word ptr" operands anyway, as per their insn
templates. Hence there's no need to special case this here; the check
has become dysfunctional anyway by
dc2be329b950 ("i386: Only check
suffix in instruction mnemonic").
GDB Administrator [Mon, 9 Dec 2019 00:00:26 +0000 (00:00 +0000)]
Automatic date update in version.in
Alan Modra [Sat, 7 Dec 2019 00:55:52 +0000 (11:25 +1030)]
S12Z disassembler memory leak
* s12z-opc.c (exg_sex_discrim): Don't leak memory on invalid
registers.
Alan Modra [Sat, 7 Dec 2019 12:01:43 +0000 (22:31 +1030)]
aarch64*-*-*ilp32 gas tests
The new pac_negate_ra_state test adds yet another failure on aarch64
ipl32 targets. This patch fixes that particular problem and a few
more that are trivial to fix.
* testsuite/gas/aarch64/bfloat16.d: Match 32-bit and 64-bit output.
* testsuite/gas/aarch64/dgh.d: Likewise.
* testsuite/gas/aarch64/f32mm.d: Likewise.
* testsuite/gas/aarch64/f64mm.d: Likewise.
* testsuite/gas/aarch64/i8mm.d: Likewise.
* testsuite/gas/aarch64/pac_ab_key.d: Likewise.
* testsuite/gas/aarch64/pac_negate_ra_state.d: Likewise.
* testsuite/gas/aarch64/reloc-prel_g0.d: Likewise.
* testsuite/gas/aarch64/reloc-prel_g0_nc.d: Likewise.
* testsuite/gas/aarch64/reloc-prel_g1.d: Likewise.
* testsuite/gas/aarch64/sve-bfloat-movprfx.d: Likewise.
* testsuite/gas/aarch64/sve-movprfx-mm.d: Likewise.
* testsuite/gas/aarch64/sve2.d: Likewise.
Alan Modra [Sat, 7 Dec 2019 12:02:52 +0000 (22:32 +1030)]
Optional matching for run_dump_test
This adds an alternative to using #... in dump files, useful where we
only want to allow specific extra output. DW_CFA_nop in CIEs and FDEs
to pad out to required alignment (larger for 64-bit than 32-bit) is
an example where these optional match patterns are useful.
binutils/
* testsuite/lib/binutils-common.exp (regexp_diff): Support #?REGEXP.
ld/
* testsuite/ld-elf/eh4.d: Match optional padding DW_CFA_nop in FDEs.
* testsuite/ld-elf/eh5.d: Likewise, and extra CIEs emitted on
embedded targets.
Tom de Vries [Sun, 8 Dec 2019 10:25:28 +0000 (11:25 +0100)]
Fix inter-CU references using intra-CU form in imported-unit
When running the gdb testsuite with the cc-with-dwz board, I run into:
...
Running gdb/testsuite/gdb.dwarf2/imported-unit.exp ...
gdb compile failed, dwz: gdb.dwarf2/imported-unit/imported-unit: \
Couldn't find DIE referenced by DW_AT_abstract_origin
cc-with-tweaks.sh: dwz did not modify gdb.dwarf2/imported-unit/imported-unit.
...
The problem is that the DW_AT_abstract_origin reference here:
...
<0><d2>: Abbrev Number: 2 (DW_TAG_compile_unit)
<1><e6>: Abbrev Number: 4 (DW_TAG_subprogram)
<e7> DW_AT_abstract_origin: <0x142>
<eb> DW_AT_low_pc : 0x4004b2
<f3> DW_AT_high_pc : 0x4004c8
...
referring to a DIE in another compilation unit here:
...
<0><129>: Abbrev Number: 2 (DW_TAG_compile_unit)
<1><142>: Abbrev Number: 4 (DW_TAG_subprogram)
<143> DW_AT_name : main
<148> DW_AT_type : <0x13b>
<14c> DW_AT_external : 1
...
is encoded using intra-CU reference form DW_FORM_ref4 instead of intra-CU
reference DW_FORM_ref_addr:
...
4 DW_TAG_subprogram [has children]
DW_AT_abstract_origin DW_FORM_ref4
DW_AT_low_pc DW_FORM_addr
DW_AT_high_pc DW_FORM_addr
DW_AT value: 0 DW_FORM value: 0
...
Fix this in the DWARF assembler by making all inter-CU references use the '%'
label prefix.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-12-08 Tom de Vries <tdevries@suse.de>
* gdb.dwarf2/imported-unit.exp: Fix inter-CU references.
Change-Id: I690ff18c3943705ed478453531b176ff74700f3c
GDB Administrator [Sun, 8 Dec 2019 00:01:12 +0000 (00:01 +0000)]
Automatic date update in version.in
Keith Seitz [Sat, 7 Dec 2019 17:35:03 +0000 (09:35 -0800)]
Core file build-id support
This patch uses new BFD support for detecting build-ids in core
files.
After this patch, it is possible to run gdb with only the
core file, and gdb will automatically load the executable and
debug info [example from tests]:
$ gdb -nx -q
(gdb) core-file corefile-buildid.core
[New LWP 29471]
Reading symbols from gdb.base/corefile-buildid/debugdir-exec/.build-id/36/
fe5722c5a7ca3ac746a84e223c6a2a69193a24...
Core was generated by `outputs/gdb.base/coref'.
Program terminated with signal SIGABRT, Aborted.
(gdb)
This work is based on functionality available in Fedora originally
written by Jan Kratochvil.
Regression tested on buildbot.
gdb/ChangeLog:
2019-12-07 Keith Seitz <keiths@redhat.com>
* build-id.c (build_id_bfd_get): Permit bfd_core, too.
(build_id_to_debug_bfd): Make static, rewriting to use
build_id_to_bfd_suffix.
(build_id_to_bfd_suffix): Copy of build_id_to_debug_bfd,
adding `suffix' parameter. Append SUFFIX to file names
when searching for matching files.
(build_id_to_debug_bfd): Use build_id_to_bfd_suffix.
(build_id_to_exec_bfd): Likewise.
* build-id.h (build_id_to_debug_bfd): Clarify that function
searches for BFD of debug info file.
(build_id_to_exec_bfd): Declare.
* corelow.c: Include build-id.h.
(locate_exec_from_corefile_build_id): New function.
(core_target_open): If no executable BFD is found,
search for a core file BFD using build-id.
gdb/testsuite/ChangeLog:
2019-12-07 Keith Seitz <keiths@redhat.com>
* gdb.base/corefile-buildid-shlib-shr.c: New file.
* gdb.base/corefile-buildid-shlib.c: New file.
* gdb.base/corefile-buildid.c: New file.
* gdb.base/corefile-buildid.exp: New file.
Change-Id: I15e9e8e58f10c68b5cae55e2eba58df1e8aef529
Alan Modra [Fri, 6 Dec 2019 00:51:45 +0000 (11:21 +1030)]
PR25236, common sym versioning
In cases where a relocatable object file has a common symbol, no other
file has a definition, and there is a matching common symbol found in
a shared library then ld will output a definition using the largest of
size and alignment for the commons. This patch fixes a bug in ld that
ignored common symbols when assigning versions, resulting in such
symbols being given VER_NDX_LOCAL versions.
PR 25236
* elflink.c (_bfd_elf_link_assign_sym_version): Assign versions
for ELF_COMMON_DEF_P symbols.
(elf_link_output_extsym, _bfd_elf_add_default_symbol): Adjust to
suit.
GDB Administrator [Sat, 7 Dec 2019 00:00:19 +0000 (00:00 +0000)]
Automatic date update in version.in
Luis Machado [Tue, 26 Nov 2019 15:52:56 +0000 (12:52 -0300)]
[ARM, sim] Fix build error and warnings
Newer GCC's have switched to -fno-common by default, and this breaks the build
for the ARM sim, like this:
binutils-gdb.git~gdb-8.3-release/sim/arm/maverick.c:65: multiple definition of `DSPsc'; libsim.a(wrapper.o):binutils-gdb.git~gdb-8.3-release/sim/arm/wrapper.c:134: first defined here
binutils-gdb.git~gdb-8.3-release/sim/arm/maverick.c:64: multiple definition of `DSPacc'; libsim.a(wrapper.o):binutils-gdb.git~gdb-8.3-release/sim/arm/wrapper.c:133: first defined here
binutils-gdb.git~gdb-8.3-release/sim/arm/maverick.c:63: multiple definition of `DSPregs'; libsim.a(wrapper.o):binutils-gdb.git~gdb-8.3-release/sim/arm/wrapper.c:132: first defined here
I also noticed a few warnings due to mismatching types, as follows:
../../../../repos/binutils-gdb/sim/arm/wrapper.c: In function ‘sim_create_inferior’:
../../../../repos/binutils-gdb/sim/arm/wrapper.c:335:16: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
for (arg = argv; *arg != NULL; arg++)
^
../../../../repos/binutils-gdb/sim/arm/wrapper.c:342:8: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
arg = argv;
^
../../../../repos/binutils-gdb/sim/arm/wrapper.c:345:13: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
for (arg = argv; *arg != NULL; arg++)
^
The following patch fixes both of the above.
sim/arm/ChangeLog:
2019-12-06 Luis Machado <luis.machado@linaro.org>
* armemu.c (isize): Move this declaration ...
* arminit.c (isize): ... here.
* maverick.h: New file.
* wrapper.c: Include "maverick.h".
(<struct maverick_regs>, <union maverick_acc_regs>): Remove and update
comment.
(sim_create_inferior): Cast variables to proper type.
* maverick.c: Include "maverick.h".
(<struct maverick_regs>, <union maverick_acc_regs>): Move
declarations to maverick.h and update comment.
(DSPsc, DSPacc, DSPregs): Adjust comment.
Change-Id: I21db699d3b61b2de8c44053e47be4387285af28f
Christian Biesinger [Mon, 2 Dec 2019 21:05:54 +0000 (15:05 -0600)]
Put bcache inside "namespace gdb"
This avoids a conflict with a system "struct bcache" on
Solaris (see e.g.
https://www.isi.edu/nsnam/archive/ns-users/webarch/2001/msg05393.html)
Note that the Solaris conflict for now only surfaces with
--enable-targets=all (which the build bot doesn't use).
gdb/ChangeLog:
2019-12-06 Christian Biesinger <cbiesinger@google.com>
* bcache.c: Put in namespace gdb.
* bcache.h: Likewise.
* gdbtypes.c (check_types_worklist): Update.
(types_deeply_equal): Update.
* macrotab.c (struct macro_table) <bcache>: Update.
(new_macro_table): Update.
* macrotab.h (struct bcache): Put this forward declaration
inside namespace gdb.
(new_macro_table): Update.
* objfiles.h (struct objfile_per_bfd_storage) <filename_cache>:
Update.
<macro_cache>: Update.
* psymtab.h: (psymtab_storage) <psymbol_cache>: Update.
Change-Id: I843d5e91f7ccb3db6d1099a8214c15a74510256f
Tom de Vries [Fri, 6 Dec 2019 17:51:49 +0000 (18:51 +0100)]
[gdb/symtab] Prefer var def over decl
Consider the DWARF as generated by gcc with the tentative patch to fix gcc
PR91507 - "wrong debug for completed array with previous incomplete
declaration":
...
<1><f4>: Abbrev Number: 2 (DW_TAG_array_type)
<f5> DW_AT_type : <0xff>
<f9> DW_AT_sibling : <0xff>
<2><fd>: Abbrev Number: 3 (DW_TAG_subrange_type)
<2><fe>: Abbrev Number: 0
<1><ff>: Abbrev Number: 4 (DW_TAG_pointer_type)
<100> DW_AT_byte_size : 8
<101> DW_AT_type : <0x105>
<1><105>: Abbrev Number: 5 (DW_TAG_base_type)
<106> DW_AT_byte_size : 1
<107> DW_AT_encoding : 6 (signed char)
<108> DW_AT_name : (indirect string, offset: 0x19f): char
<1><10c>: Abbrev Number: 6 (DW_TAG_variable)
<10d> DW_AT_name : zzz
<111> DW_AT_decl_file : 1
<112> DW_AT_decl_line : 1
<113> DW_AT_decl_column : 14
<114> DW_AT_type : <0xf4>
<118> DW_AT_external : 1
<118> DW_AT_declaration : 1
<1><118>: Abbrev Number: 2 (DW_TAG_array_type)
<119> DW_AT_type : <0xff>
<11d> DW_AT_sibling : <0x128>
<1><12f>: Abbrev Number: 8 (DW_TAG_variable)
<130> DW_AT_specification: <0x10c>
<134> DW_AT_decl_line : 2
<135> DW_AT_decl_column : 7
<136> DW_AT_type : <0x118>
<13a> DW_AT_location : 9 byte block: 3 30 10 60 0 0 0 0 0 (DW_OP_addr: 601030)
...
The DWARF will result in two entries in the symbol table, a decl with type
char *[] and a def with type char*[2].
When trying to print the value of zzz:
...
$ gdb a.spec.out -batch -ex "p zzz"
...
the decl (rather than the def) will be found in the symbol table, which is
missing the location information, and consequently we get:
...
$1 = 0x601030 <zzz>
...
[ There is a fallback mechanism that finds the address of the variable in the
minimal symbol table, but that's not used here, because the type of the decl
does not specify a size. We could use the symbol size here to get the size
of the type, but that's currently not done: PR exp/24989. Still, fixing that
PR would not fix the generic case, where minimal symbol info is not
available. ]
Fix this by preferring defs over decls when searching in the symbol table.
Build and reg-tested on x86_64-linux.
gdb/ChangeLog:
2019-12-06 Tom de Vries <tdevries@suse.de>
PR symtab/24971
* block.c (best_symbol, better_symbol): New function.
(block_lookup_symbol_primary, block_lookup_symbol): Prefer def over
decl.
gdb/testsuite/ChangeLog:
2019-12-06 Tom de Vries <tdevries@suse.de>
* gdb.dwarf2/varval.exp: Add decl before def test.
Change-Id: Id92326cb8ef9903b121ef9e320658eb565d0f5a9
Kyrylo Tkachov [Fri, 6 Dec 2019 10:46:32 +0000 (10:46 +0000)]
[gas] Implement .cfi_negate_ra_state directive
This patch implements the .cfi_negate_ra_state to be consistent with
LLVM (https://reviews.llvm.org/D50136). The relevant DWARF code DW_CFA_AARCH64_negate_ra_state
is multiplexed on top of DW_CFA_GNU_window_save, as per
https://gcc.gnu.org/ml/gcc-patches/2017-08/msg00753.html
I believe this is the simplest patch implementing this and is needed to
allow users to build, for example, the Linux kernel with Armv8.3-A
pointer authentication support with Clang while using gas as the
assembler, which is a common usecase.
gas/
2019-12-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* dw2gencfi.c (cfi_pseudo_table): Add cfi_negate_ra_state.
* testsuite/gas/aarch64/pac_negate_ra_state.s: New file.
* testsuite/gas/aarch64/pac_negate_ra_state.d: Likewise.
Alan Modra [Fri, 6 Dec 2019 03:08:42 +0000 (13:38 +1030)]
Re: Only give FDE encoding warnings if --eh-frame-hdr was specified.
For mips*-linux targets, fixes the following fails.
FAIL: MIPS eh-frame 1, n32
FAIL: MIPS eh-frame 1, n64
FAIL: MIPS eh-frame 2, n32
FAIL: MIPS eh-frame 2, n64
* testsuite/ld-mips-elf/eh-frame1-n32.d: Pass --eh-frame-hdr to ld.
* testsuite/ld-mips-elf/eh-frame1-n64.d: Likewise.
* testsuite/ld-mips-elf/eh-frame2-n32.d: Likewise.
* testsuite/ld-mips-elf/eh-frame2-n64.d: Likewise.
Tankut Baris Aktemur [Tue, 12 Nov 2019 15:06:29 +0000 (16:06 +0100)]
gdb/testsuite: do minor clean-up in gdb.cp/rvalue-ref-overload.exp
Simplify the expected test outputs. This is a minor cleanup; no
functional change is intended.
gdb/testsuite/ChangeLog:
2019-12-06 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdb.cp/rvalue-ref-overload.exp: Minor cleanup.
Change-Id: Ie760a2856cae3be0eeed5496765a5f1cd102d6b7
Tankut Baris Aktemur [Tue, 12 Nov 2019 14:12:43 +0000 (15:12 +0100)]
gdb: fix overload resolution for see-through references
The overload resolution mechanism assigns badness values to the
necessary conversions to be made on types to pick a champion. A
badness value consists of a "rank" that scores the conversion and a
"subrank" to differentiate conversions of the same kind.
An auxiliary function, 'sum_ranks', is used for adding two badness
values. In all of its uses, except two, 'sum_ranks' is used for
populating the subrank of a badness value. The two exceptions are in
'rank_one_type':
~~~
/* See through references, since we can almost make non-references
references. */
if (TYPE_IS_REFERENCE (arg))
return (sum_ranks (rank_one_type (parm, TYPE_TARGET_TYPE (arg), NULL),
REFERENCE_CONVERSION_BADNESS));
if (TYPE_IS_REFERENCE (parm))
return (sum_ranks (rank_one_type (TYPE_TARGET_TYPE (parm), arg, NULL),
REFERENCE_CONVERSION_BADNESS));
~~~
Here, the result of a recursive call is combined with
REFERENCE_CONVERSION_BADNESS. This leads to the problem of
over-punishment by combining two ranks. Consider this:
void an_overloaded_function (const foo &);
void an_overloaded_function (const foo &&);
...
foo arg;
an_overloaded_function(arg);
When ranking 'an_overloaded_function (const foo &)', the badness
values REFERENCE_CONVERSION_BADNESS and CV_CONVERSION_BADNESS are
combined, whereas 'rank_one_type' assigns only the
REFERENCE_CONVERSION_BADNESS value to 'an_overloaded_function (const
foo &&)' (there is a different execution flow for that). This yields
in GDB picking the latter function as the overload champion instead of
the former.
In fact, the 'rank_one_type' function should have given
'an_overloaded_function (const foo &)' the CV_CONVERSION_BADNESS
value, with the see-through referencing increasing the subrank a
little bit. This can be achieved by introducing a new badness value,
REFERENCE_SEE_THROUGH_BADNESS, which bumps up the subrank only, and
using it in the two "exceptional" cases of 'sum_ranks'.
gdb/ChangeLog:
2019-12-06 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdbtypes.h: Define the REFERENCE_SEE_THROUGH_BADNESS value.
* gdbtypes.c (rank_one_type): Use REFERENCE_SEE_THROUGH_BADNESS
for ranking see-through reference cases.
gdb/testsuite/ChangeLog:
2019-12-06 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdb.cp/rvalue-ref-overload.cc: Add a case that involves both
CV and reference conversion for overload resolution.
* gdb.cp/rvalue-ref-overload.exp: Test it.
Change-Id: I39ae6505ab85ad0bd21915368c82540ceeb3aae9
Philippe Waroquiers [Thu, 5 Dec 2019 22:41:58 +0000 (23:41 +0100)]
Fix crash when command arg is missing in faas/taas/tfaas commands.
GDB crashes when doing:
(gdb) faas
Aborted
Do the needed check to avoid crashing.
gdb/ChangeLog
2019-12-06 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* stack.c (faas_command): Check a command is provided.
* thread.c (taas_command, tfaas_command): Likewise.
gdb/testsuite/ChangeLog
2019-12-06 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* gdb.threads/pthreads.exp: Test taas and tfaas without command.
* gdb.base/frameapply.exp: Test faas without command.
GDB Administrator [Fri, 6 Dec 2019 00:00:39 +0000 (00:00 +0000)]
Automatic date update in version.in
Philippe Waroquiers [Sun, 1 Dec 2019 14:40:17 +0000 (15:40 +0100)]
Fix leaks when pruning inferiors.
Valgrind detects various inferior related leaks, such as:
==31877== 5,530 (56 direct, 5,474 indirect) bytes in 1 blocks are definitely lost in loss record 7,131 of 7,355
==31877== at 0x4C2E18C: calloc (vg_replace_malloc.c:760)
==31877== by 0x23E580: xcalloc (alloc.c:100)
==31877== by 0x4794A9: xcnewvec<void*> (poison.h:158)
==31877== by 0x4794A9: registry_alloc_data(registry_data_registry*, registry_fields*) (registry.c:51)
==31877== by 0x3A537C: inferior_alloc_data (inferior.c:43)
==31877== by 0x3A537C: inferior::inferior(int) (inferior.c:92)
==31877== by 0x3A5426: add_inferior_silent(int) (inferior.c:98)
==31877== by 0x3A5530: add_inferior(int) (inferior.c:122)
...
Origin of the leaks is in prune_inferiors: prune_inferiors is first removing
the inferior to prune from the inferior list, then calls delete_inferior.
But delete_inferior will only really destroy the inferior when it finds
it into the inferior list.
As delete_inferior is removing the inferior to delete from the inferior list,
ensure prune_inferiors only calls delete_inferior, without touching the
inferior list.
gdb/ChangeLog
2019-12-05 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* inferior.c (prune_inferiors): Only call delete_inferior.
Do not modify the inferior list.
Sandra Loosemore [Thu, 5 Dec 2019 21:20:12 +0000 (13:20 -0800)]
Only give FDE encoding warnings if --eh-frame-hdr was specified.
This bug was observed on nios2-linux-gnu with some C++ programs
linked with -pie or -shared. The nios2 ABI doesn't include appropriate
relocations in this instance and GCC is also being patched not to pass
--eh-frame-hdr to the linker in those cases.
2019-12-05 Sandra Loosemore <sandra@codesourcery.com>
bfd/
* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Make
FDE encoding warning conditional.
Simon Marchi [Thu, 5 Dec 2019 18:44:30 +0000 (13:44 -0500)]
Remove gdbarch parameter of lookup_typename
I noticed that the gdbarch parameter of lookup_typename was unused, so I
removed it (as well as from lookup_signed_typename and
lookup_unsigned_typename) and updated all callers.
Tested by rebuilding.
gdb/ChangeLog:
* c-exp.y: Update calls to lookup_typename,
lookup_signed_typename and lookup_unsigned_typename.
* c-lang.c (evaluate_subexp_c): Likewise.
* cp-namespace.c (cp_lookup_symbol_imports_or_template):
Likewise.
* eval.c (binop_promote): Likewise.
* gdbtypes.c (lookup_typename): Remove gdbarch parameter.
(lookup_unsigned_typename): Likewise.
(lookup_signed_typename): Likewise.
* gdbtypes.h (lookup_unsigned_typename): Likewise.
(lookup_signed_typename): Likewise.
(lookup_typename): Likewise.
* guile/scm-type.c (tyscm_lookup_typename): Update calls to
lookup_typename, lookup_signed_typename,
lookup_unsigned_typename.
* m2-exp.y: Likewise.
* printcmd.c (printf_wide_c_string): Likewise.
(ui_printf): Likewise.
* python/py-type.c (typy_lookup_typename): Likewise.
* python/py-xmethods.c (python_xmethod_worker::invoke):
Likewise.
* rust-exp.y: Likewise.
Nick Clifton [Thu, 5 Dec 2019 13:56:07 +0000 (13:56 +0000)]
Fix a problem computing the size fields in the PE format header.
PR 25029
* peXXigen.c (_bfd_XXi_swap_aouthdr_out): Ignore empty sections
when computing the sizes stored in the headers.
Alan Modra [Thu, 5 Dec 2019 10:59:21 +0000 (21:29 +1030)]
Re: PR25244, --print-memory-usage, division by zero if MEMORY length is zero
Do print the linefeed when length is zero.
PR 25244
* ldlang.c (lang_print_memory_usage): Correct last patch.
Jan Beulich [Thu, 5 Dec 2019 07:44:22 +0000 (08:44 +0100)]
Arm64: simplify Crypto arch extension handling
This, at the assembler level, is just a "brace" feature covering both
AES and SHA2. Hence there's no need for it to have a separate feature
flag, freeing up a bit for future re-use. Along these lines there are
also a number of dead definitions/variables in the opcode table file.
Jan Beulich [Thu, 5 Dec 2019 07:43:03 +0000 (08:43 +0100)]
Arm64: correct "sha3" arch-extension directive handling
SHA2 is a prereq to SHA3, not part of it aiui. Hence disabling the
latter should not also disable the former.
In the course of adding respective tests also do away with the
duplication of crypto.d's contents in crypto-directive.d.
Alan Modra [Thu, 5 Dec 2019 06:10:02 +0000 (16:40 +1030)]
PR25243, static linking with exceptions and iostream is broken on ARM
PR 25243
* emulparams/armelf.sh (OTHER_READONLY_SECTIONS): Move definition
of __exidx_start and __exidx_end into ARM.exidx.
* emulparams/armelf_linux_eabi.sh (OTHER_READONLY_SECTIONS): Likewise.
* emulparams/armsymbian.sh (OTHER_READONLY_SECTIONS): Similarly.
* emulparams/elf32_tic6x_le.sh (OTHER_READONLY_SECTIONS): Similarly.
* emulparams/armelf_fuchsia.sh: Source armelf_linux_eabi.sh,
just redefining TEXT_START_ADDR.
* emulparams/armelf_linux_fdpiceabi.sh: Source armelf_linux_eabi.sh,
adding to OTHER_READONLY_SECTIONS.
Alan Modra [Thu, 5 Dec 2019 06:07:25 +0000 (16:37 +1030)]
PR25244, --print-memory-usage, division by zero if MEMORY length is zero
PR 25244
* ldlang.c (lang_print_memory_usage): Don't print percent used
when length is zero.
Alan Modra [Thu, 5 Dec 2019 04:12:44 +0000 (14:42 +1030)]
PR25249, Memory leak in microblaze-dis.c
PR 25249
* microblaze-dis.c (NUM_STRBUFS, STRBUF_SIZE): Define.
(struct string_buf): New.
(strbuf): New function.
(get_field): Use strbuf rather than strdup of local temp.
(get_field_imm, get_field_imm5, get_field_imm5_mbar): Likewise.
(get_field_rfsl, get_field_imm15): Likewise.
(get_field_rd, get_field_r1, get_field_r2): Update macros.
(get_field_special): Likewise. Don't strcpy spr. Formatting.
(print_insn_microblaze): Formatting. Init and pass string_buf to
get_field functions.
GDB Administrator [Thu, 5 Dec 2019 00:00:39 +0000 (00:00 +0000)]
Automatic date update in version.in
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