| Age | Commit message (Collapse) | Author | Files | Lines |
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This removes the PARSER_RESULT macro from linespec.c.
Reviewed-by: Keith Seitz <keiths@redhat.com>
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This removes the PARSER_STATE macro from linespec.c.
Reviewed-by: Keith Seitz <keiths@redhat.com>
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With test-case gdb.server/server-kill-python.exp, I sometimes run into:
...
builtin_spawn gdb -nw -nx -q -iex set height 0 -iex set width 0 \
-data-directory data-directory^M
kill^M
(gdb) kill^M
file server-kill-python^M
The program is not being run.^M
(gdb) ERROR: Couldn't load server-kill-python into GDB.
...
The problem is that the spawn produces a prompt, but it's not explicitly
consumed.
This is a regression since commit 0f077fcae0f ("[gdb/testsuite] Simplify
gdb.server/server-kill-python.exp").
Fix this by consuming the initial prompt.
PR testsuite/31819
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31819
Fixes: 0f077fcae0f ("[gdb/testsuite] Simplify gdb.server/server-kill-python.exp"
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In gdb/python/py-tui.c we have code like this:
...
gdbpy_ref<> result (PyObject_CallMethod (m_window.get(), "hscroll",
"i", num_to_scroll, nullptr));
...
The nullptr is superfluous, the format string already indicates that there's
only one method argument.
OTOH, passing no method args does use a nullptr:
...
gdbpy_ref<> result (PyObject_CallMethod (m_window.get (), "render",
nullptr));
...
Furthermore, choosing the right format string chars can be tricky.
Add a typesafe wrapper around PyObject_CallMethod that hides these
details, such that we can use the more intuitive:
...
gdbpy_ref<> result (gdbpy_call_method (m_window.get(), "hscroll",
num_to_scroll));
...
and:
...
gdbpy_ref<> result (gdbpy_call_method (m_window.get (), "render"));
...
Tested on x86_64-linux.
Co-Authored-By: Tom de Vries <tdevries@suse.de>
Approved-By: Tom Tromey <tom@tromey.com>
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The FEAT_BRBE extension provides two aliases of sys:
- brb iall (Invalidates all Branch records in the Branch Record Buffer)
- brb inj (Injects the Branch Record held in BRBINFINJ_EL1,
BRBSRCINJ_EL1, and BRBTGTINJ_EL1 into the Branch Record Buffer)
This patch adds:
- the feature option "brbe" that must be added for the aliases to be available
- a new operand flag AARCH64_OPND_Rt_IN_SYS_ALIASES that warns in a comment
when Rt is set to the non default value 0b11111 (it is constrained
unpredictable whether the instruction is undefined or behaves as if the Rt
field is set to 0b11111).
- a new operand flag AARCH64_OPND_BRBOP that encodes and decodes Op2 values
from bit 5
- support for the two brb aliases above
See:
- https://developer.arm.com/documentation/ddi0602/2024-03/Base-Instructions/BRB--Branch-Record-Buffer--an-alias-of-SYS-?lang=en
- https://developer.arm.com/documentation/ddi0601/2024-03/AArch64-Instructions/BRB-INJ--Branch-Record-Injection-into-the-Branch-Record-Buffer?lang=en
- https://developer.arm.com/documentation/ddi0601/2024-03/AArch64-Instructions/BRB-IALL--Invalidate-the-Branch-Record-Buffer?lang=en
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Currently it's not possible to call user-defined function call
operators, at least not without specifying operator() directly:
```
(gdb) l 1
1 struct S {
2 int operator() (int x) { return x + 5; }
3 };
4
5 int main () {
6 S s;
7
8 return s(23);
9 }
(gdb) p s(10)
Invalid data type for function to be called.
(gdb) p s.operator()(10)
$1 = 15
```
This now looks if an user-defined call operator is available when
trying to 'call' a struct value, and calls it instead, making this
possible:
```
(gdb) p s(10)
$1 = 15
```
The change in operation::evaluate_funcall is to make sure the type
fields are only used for function types, only they use them as the
argument types.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=12213
Approved-By: Tom Tromey <tom@tromey.com>
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Add a new 'error_message' feature to the qSupported packet. When GDB
supports this feature then gdbserver is able to send
errors in the E.errtext format for the qRcmd and m packets.
Update qRcmd packet and m packets documentation as qRcmd newly
accepts errors in a E.errtext format.
Previously these two packets didn't support E.errtext style errors.
Approved-By: Tom Tromey <tom@tromey.com>
Approved-By: Andrew Burgess <aburgess@redhat.com>
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This patch supports RISC-V Smcsrind/Sscsrind privilege extension csrs.
Reuse csr 'smselect/siselect', 'mireg/sireg' and 'vsiselect,vsireg' csrs
in Smaia/Ssaia extension.
bfd/ChangeLog:
* elfxx-riscv.c: New extensions.
gas/ChangeLog:
* NEWS: Updated.
* config/tc-riscv.c (enum riscv_csr_class): New extensions.
(riscv_csr_address): Ditto.
* testsuite/gas/riscv/csr-version-1p10.d: New csrs.
* testsuite/gas/riscv/csr-version-1p10.l: Ditto.
* testsuite/gas/riscv/csr-version-1p11.d: Ditto.
* testsuite/gas/riscv/csr-version-1p11.l: Ditto.
* testsuite/gas/riscv/csr-version-1p12.d: Ditto.
* testsuite/gas/riscv/csr-version-1p12.l: Ditto.
* testsuite/gas/riscv/csr.s: Ditto.
* testsuite/gas/riscv/march-help.l: New extensions.
include/ChangeLog:
* opcode/riscv-opc.h (CSR_MIREG2): New csr.
(CSR_MIREG3): Ditto.
(CSR_MIREG4): Ditto.
(CSR_MIREG5): Ditto.
(CSR_MIREG6): Ditto.
(CSR_SIREG2): Ditto.
(CSR_SIREG3): Ditto.
(CSR_SIREG4): Ditto.
(CSR_SIREG5): Ditto.
(CSR_SIREG6): Ditto.
(CSR_VSIREG2): Ditto.
(CSR_VSIREG3): Ditto.
(CSR_VSIREG4): Ditto.
(CSR_VSIREG5): Ditto.
(CSR_VSIREG6): Ditto.
(DECLARE_CSR): Ditto.
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Convert 'set/show debug separate-debug-file' to the new debug scheme.
Though I'm not sure if we can really call it "new" any more!
Approved-By: Tom Tromey <tom@tromey.com>
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While working on a later patch in this series, I noticed that GDB
would print the message:
Reading /path/to/file from remote target...
Even when /path/to/file doesn't exist on the remote target.
GDB does indeed try to open /path/to/file, but I'm not sure we really
need to tell the user unless we actually manage to open the file, and
plan to read content from it.
If we consider how GDB probes for separate debug files, we can attempt
to open multiple possible files, most of them will not exist. When we
are native debugging we don't bother telling the user about each file
we're checking for, we just announce any file we finally use.
I think it makes sense to do a similar thing for remote files.
So, in remote_target::remote_hostio_open(), I'd like to move the block
of code that prints the above message to after the open call has been
made, and we should only print the message if the open succeeds.
Now GDB only tells the user about files that we actually open and read
from the remote.
Approved-By: Tom Tromey <tom@tromey.com>
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In build_id_to_bfd_suffix we look in each debug-file-directory for a
file matching the required build-id.
If we don't find one then we add the sysroot and perform the search
again.
However, the default sysroot is 'target:', and for a native target
this just means to search on the local machine. So by default, if the
debug information is not present, then we end up searching each
location twice.
I think we only need to perform the "with sysroot" check if either:
1. The sysroot is something other than 'target:'. If the user has
set it to '/some/directory' then we should check this sysroot. Or if
the user has set it to 'target:/some/other_directory', this is also
worth checking.
2. If the sysroot is 'target:', but the target's filesystem is not
local (i.e. the user is connected to a remote target), then we should
check using the sysroot as this will be looking on the remote
machine.
There's no tests for this as the whole point here is that I'm removing
duplicate work. No test regressions were seen though.
There should be no user visible changes after this commit.
Approved-By: Tom Tromey <tom@tromey.com>
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In remote.c lives remote_target::remote_hostio_send_command(), which
is used to handle sending a fileio packet to the remote, and for
parsing the reply packet.
Some commands, e.g. open, pwrite, close, send some arguments to the
remote, and then get back a single integer return value.
Other commands though, e.g. pread, readlink, fstat, send some
arguments and get back an integer return value and some additional
data. This additional data is called the attachment.
Except, we only get the attachment if the command completes
successfully. For example, calling readlink with a non existent path
will result in a return packet: 'F-1,2' with no attachment. This is
as expected.
Within remote_hostio_send_command we call remote_hostio_parse_result,
this parses the status code (-1 in our example above) and
then parses the errno value (2 in our example above).
Back in remote_hostio_parse_result we then hit this block:
/* Make sure we saw an attachment if and only if we expected one. */
if ((attachment_tmp == NULL && attachment != NULL)
|| (attachment_tmp != NULL && attachment == NULL))
{
*remote_errno = FILEIO_EINVAL;
return -1;
}
Which ensures that commands that expect an attachment, got an
attachment.
The problem is, we'll only get an attachment if the command
succeeded. If it didn't, then there is no attachment, and that is as
expected.
As remote_hostio_parse_result always sets the returned error number to
FILEIO_SUCCESS unless the packet contained an actual error
number (e.g. 2 in our example above), I suggest we should return early
if remote_hostio_parse_result indicates an error packet.
I ran into this issue while working on another patch. In that patch I
was checking the error code returned by a remote readlink call and
spotted that when I passed an invalid path I got EINVAL instead of
ENOENT. This patch fixes this issue.
Unfortunately the patch I was working on evolved, and my need to check
the error code went away, and so, right now, I have no way to reveal
this bug. But I think this is an obviously correct fix, and worth
merging even without a test.
Approved-By: Tom Tromey <tom@tromey.com>
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The bitshift tests for opencl have these failures:
print /x (signed char) 0x0f << 8
No type named signed char.
(gdb) FAIL: gdb.base/bitshift.exp: lang=opencl: 8-bit, promoted: print /x (signed char) 0x0f << 8
print (signed char) 0x0f << 8
No type named signed char.
(gdb) FAIL: gdb.base/bitshift.exp: lang=opencl: 8-bit, promoted: print (signed char) 0x0f << 8
Apparently opencl doesn't have the 'signed' modifier for types, only
the 'unsigned' modifier.
Even 'char' is guaranteed to be signed if no modifier is used, so
this changes the casts to match this logic.
Approved-By: Tom Tromey <tom@tromey.com>
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On systems where long has 32-bit size you get these failures:
print 1 << (unsigned long long) 0xffffffffffffffff
Cannot export value 18446744073709551615 as 32-bits unsigned integer (must be between 0 and 4294967295)
(gdb) FAIL: gdb.base/bitshift.exp: lang=c: max-uint64: print 1 << (unsigned long long) 0xffffffffffffffff
print 1 >> (unsigned long long) 0xffffffffffffffff
Cannot export value 18446744073709551615 as 32-bits unsigned integer (must be between 0 and 4294967295)
(gdb) FAIL: gdb.base/bitshift.exp: lang=c: max-uint64: print 1 >> (unsigned long long) 0xffffffffffffffff
print -1 << (unsigned long long) 0xffffffffffffffff
Cannot export value 18446744073709551615 as 32-bits unsigned integer (must be between 0 and 4294967295)
(gdb) FAIL: gdb.base/bitshift.exp: lang=c: max-uint64: print -1 << (unsigned long long) 0xffffffffffffffff
print -1 >> (unsigned long long) 0xffffffffffffffff
Cannot export value 18446744073709551615 as 32-bits unsigned integer (must be between 0 and 4294967295)
(gdb) FAIL: gdb.base/bitshift.exp: lang=c: max-uint64: print -1 >> (unsigned long long) 0xffffffffffffffff
Fixed by changing the number-of-bits variable to ULONGEST.
Approved-By: Tom Tromey <tom@tromey.com>
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As seen in these test failures:
print -1 >> -1
warning: right shift count is negative
$N = 0
(gdb) FAIL: gdb.base/bitshift.exp: lang=c: neg lhs/rhs: print -1 >> -1
print -4 >> -2
warning: right shift count is negative
$N = 0
(gdb) FAIL: gdb.base/bitshift.exp: lang=c: neg lhs/rhs: print -4 >> -2
Fixed by restoring the logic from before the switch to gmp.
Approved-By: Tom Tromey <tom@tromey.com>
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PR31590 shows that right shift of negative numbers doesn't work
correctly since GDB 14:
(gdb) p (-3) >> 1
$1 = -1
GDB 13 and earlier returned the correct value -2.
And there actually is one test that shows the failure:
print -1 >> 1
$84 = 0
(gdb) FAIL: gdb.base/bitshift.exp: lang=asm: rsh neg lhs: print -1 >> 1
The problem was introduced with the change to gmp functions in
commit 303a881f87.
It's wrong because gdb_mpz::operator>> uses mpz_tdif_q_2exp, which
always rounds toward zero, and the gmp docu says this:
For positive n both mpz_fdiv_q_2exp and mpz_tdiv_q_2exp are simple
bitwise right shifts.
For negative n, mpz_fdiv_q_2exp is effectively an arithmetic right shift
treating n as two's complement the same as the bitwise logical functions
do, whereas mpz_tdiv_q_2exp effectively treats n as sign and magnitude.
So this changes mpz_tdiv_q_2exp to mpz_fdiv_q_2exp, since it
does right shifts for both positive and negative numbers.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31590
Approved-By: Tom Tromey <tom@tromey.com>
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Commit cdd4206647 unintentionally disabled all tests of bitshift.exp,
so it actually just does this:
Running /c/src/repos/binutils-gdb.git/gdb/testsuite/gdb.base/bitshift.exp ...
PASS: gdb.base/bitshift.exp: complete set language
=== gdb Summary ===
# of expected passes 1
It changed the 'continue' of unsupported languages to 'return', and
since ada is the first language and is unsupported, no tests were run.
This changes it back to 'continue', and the following patches fix
the regressions that were introduced since then unnoticed.
Approved-By: Tom Tromey <tom@tromey.com>
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Under certain circumstances, a floating point exception in
target_read_string() can happen when the type has been obtained
by a call to stpy_lazy_string_elt_type(). In the latter function,
a call to check_typedef() has been forgotten. This makes
type->length = 0 in this case.
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This call to wnoutrefresh is not useful. It's based on the
misunderstanding that wnoutrefresh somehow prevents display, whereas
actually what it does is copy from one curses buffer to another.
I'm working on a larger patch to clean up this area, but this
particular call can be removed immediately without consequence.
Approved-By: Andrew Burgess <aburgess@redhat.com>
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The function extract_long_unsigned_integer is unused, so remove it.
Tested by rebuilding.
Approved-By: Andrew Burgess <aburgess@redhat.com>
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Tweak commit db335d7e0a so that support_dt_relr returns false for
aarch64*-*-*ilp32.
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On macOS sonoma, printing a string would only print the first
character. For instance, if there was a 'const char *s = "foobar"',
then the 'print s' command would print '$1 = "f"' rather than the
expected '$1 = "foobar"'.
It seems that this is due to Apple silently replacing the version
of libiconv they ship with the OS to one which silently fails to
handle the 'outbytesleft' parameter correctly when using 'wchar_t'
as a target encoding.
This specifically causes issues when using iterating through a
string as wchar_iterator does.
This bug is visible even if you build for an old version of macOS,
but then run on Sonoma. Therefore this fix in the code applies
generally to macOS, and not specific to building on Sonoma. Building
for an older version and expecting forwards compatibility is a
common situation on macOS.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31853
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This complements the debug instruction set and uses the same encoding as
the VR5400/VR5500 devices.
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These instructions are not supported by the target even though they are
part of the MIPS II specification.
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This one was triggered by trying to dump an AMDGPU object.
elf64-amdgcn.c lacks support for objdump relocation handling.
PR 31872
* elfcode.h (elf_slurp_reloc_table_from_section): Don't segfault
on NULL elf_info_to_howto_rel.
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Regtested on s390x-redhat-linux.
Rewriting l(g)rl @GOTENT to larl is unnecessarily guarded by
bfd_link_pic(). There were no use cases for this in the past, but
since recently the Linux Kernel on s390x is compiled with -fPIE
and linked with --no-pie. Remove the unnecessary bfd_link_pic()
check.
bfd/ChangeLog:
* elf32-s390.c (elf_s390_relocate_section): Don't check for
bfd_link_pic() when rewriting lrl@GOTENT to larl.
(elf_s390_finish_dynamic_symbol): Emit a relative reloc for
the above case.
* elf64-s390.c (elf_s390_relocate_section): Don't check for
bfd_link_pic() when rewriting lgrl@GOTENT to larl.
(elf_s390_finish_dynamic_symbol): Emit a relative reloc for
the above case.
ld/ChangeLog:
* testsuite/ld-s390/s390.exp: Hook up the new tests.
* testsuite/ld-s390/gotreloc_31-no-pie-1.dd: New test.
* testsuite/ld-s390/gotreloc_64-no-pie-1.dd: New test.
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This patch renames global_symbol_searcher::filenames and makes it
private, adding a new method to append a filename to the vector. This
also cleans up memory management here, removing an alloca from rbreak,
and removing a somewhat ugly SCOPE_EXIT from the Python code, in favor
of having global_symbol_searcher manage the memory itself.
Regression tested on x86-64 Fedora 38.
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If in gdb/python/python-internal.h, we pretend to have a platform that doesn't
support long long:
...
-#ifdef HAVE_LONG_LONG
+#if 0
...
I get on arm-linux:
...
(gdb) placement_candidate()
disassemble test^M
Dump of assembler code for function test:^M
0x004004d8 <+0>: push {r11} @ (str r11, [sp, #-4]!)^M
0x004004dc <+4>: Python Exception <class 'ValueError'>: \
Buffer returned from read_memory is sized 0 instead of the expected 4^M
^M
unknown disassembler error (error = -1)^M
(gdb) FAIL: $exp: memory source api: second disassembler pass
...
The problem is that gdb_py_longest is typedef-ed to long, but the
corresponding format character GDB_PY_LL_ARG is defined to "L", meaning
"long long" [1].
Fix this by using "l", meaning long instead. Likewise for GDB_PY_LLU_ARG.
Tested on arm-linux.
Approved-By: Tom Tromey <tom@tromey.com>
PR python/31845
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31845
[1] https://docs.python.org/3/c-api/arg.html
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After fixing test-case gdb.python/py-disasm.exp to recognize the arm nop:
...
nop {0}
...
we run into:
...
disassemble test^M
Dump of assembler code for function test:^M
0x004004d8 <+0>: push {r11} @ (str r11, [sp, #-4]!)^M
0x004004dc <+4>: add r11, sp, #0^M
0x004004e0 <+8>: nop {0}^M
=> 0x004004e4 <+12>: Python Exception <class 'ValueError'>: Buffer \
returned from read_memory is sized 0 instead of the expected 4^M
^M
unknown disassembler error (error = -1)^M
(gdb) FAIL: $exp: global_disassembler=ShowInfoRepr: disassemble test
...
This is caused by this code in gdbpy_disassembler::read_memory_func:
...
gdbpy_ref<> result_obj (PyObject_CallMethod ((PyObject *) obj,
"read_memory",
"KL", len, offset));
...
where len has type "unsigned int", while "K" means "unsigned long long" [1].
Fix this by using "I" instead, meaning "unsigned int".
Also, offset has type LONGEST, which is typedef'ed to int64_t, while "L" means
"long long".
Fix this by using type gdb_py_longest for offset, in combination with format
character "GDB_PY_LL_ARG". Likewise in disasmpy_info_read_memory.
Tested on arm-linux.
Reviewed-By: Alexandra Petlanova Hajkova <ahajkova@redhat.com>
Approved-By: Tom Tromey <tom@tromey.com>
PR python/31845
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31845
[1] https://docs.python.org/3/c-api/arg.html
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The previous patch for the feature rcpc3 introduced 4 new operations
(ldiapp, stilp, ldapr, stlr).
The specification mentions some cases of inputs causing unpredictable
results. gas currently fails to diagnose them, and does not emit
warnings. Even if the instruction encoding is valid, the developer
probably wants to know for those cases that the instruction won't have
the expected effect.
- ldiapp & stilp:
* unpredictable load pair transfer with register overlap
* unpredictable transfer with writeback
- ldapr & stlr:
* unpredictable transfer with writeback
This patch also completes the existing relevant tests.
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This reverts commit a2e71b281a9365872451a157767e03a2e89ddaad.
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This reverts commit c41020942b94ea7c5a58de4fed644826e8f0b509.
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Starting with python 3.6, support for platforms without long long support
has been removed [1].
HAVE_LONG_LONG and PY_LONG_LONG are still defined, but only for compatibility,
so stop relying on them.
Tested on x86_64-linux.
Approved-By: Tom Tromey <tom@tromey.com>
[1] https://github.com/python/cpython/issues/72148
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PR 31873
* vms-alpha.c (evax_bfd_print_dst): Sanity check len against
dst_size.
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changes check
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These instructions are not supported by the target even though they are
part of the MIPS II specification.
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Extremely rarely used attributes are inefficient when represented by a
separate attribute. Convert it to an operand constraint, as already
suggested during review. The collision with RegKludge is pretty simple
to resolve.
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Both CMPccXADD and APX'es {,CF}CMOVcc have almost identical entries
replicated 16 times each. Fold those to just one each by introducing a
%CC macro. (Note that the recording of ->condition_code in print_insn()
is merely for completeness for now; it's not used as long as only
VEX/EVEX encodings would consume it.)
This then also renders condition codes printed consistent across all
respective insns; CMPxxXADD had a number of outliers so far.
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As indicated during review, spelling/readability-wise
setz %eax
is easier than
setzuz %al
_and_ properly specifies the full register that's being modified. Permit
that form to be used, even if the spec writers are unwilling to formally
mention it.
While there also correct the non-ZU EVEX form: That ought to also permit
memory operands.
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Commit 9102a6c15c75 ("gdb/tui: cleanup includes") broke
gdb.python/tui-window.exp on Linux:
Running /data/vries/gdb/src/gdb/testsuite/gdb.python/tui-window.exp ...
WARNING: timeout in accept_gdb_output
WARNING: timeout in accept_gdb_output
FAIL: gdb.python/tui-window.exp: Window was updated
and caused a build failure on AIX:
CXX tui/tui-win.o
tui/tui-win.c: In function 'void tui_sigwinch_handler(int)':
tui/tui-win.c:532:3: error: 'mark_async_signal_handler' was not declared in this scope; did you mean 'async_signal_handler'?
532 | mark_async_signal_handler (tui_sigwinch_token);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
| async_signal_handler
tui/tui-win.c: At global scope:
tui/tui-win.c:538:1: error: variable or field 'tui_async_resize_screen' declared void
538 | tui_async_resize_screen (gdb_client_data arg)
| ^~~~~~~~~~~~~~~~~~~~~~~
tui/tui-win.c:538:26: error: 'gdb_client_data' was not declared in this scope
538 | tui_async_resize_screen (gdb_client_data arg)
| ^~~~~~~~~~~~~~~
tui/tui-win.c: In function 'void tui_initialize_win()':
tui/tui-win.c:579:36: error: 'tui_async_resize_screen' was not declared in this scope
579 | = create_async_signal_handler (tui_async_resize_screen, NULL,
| ^~~~~~~~~~~~~~~~~~~~~~~
tui/tui-win.c:579:7: error: 'create_async_signal_handler' was not declared in this scope; did you mean 'async_signal_handler'?
579 | = create_async_signal_handler (tui_async_resize_screen, NULL,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
| async_signal_handler
gmake: *** [Makefile:1947: tui/tui-win.o] Error 1
On Linux, the removal of the signal.h include causes the `#ifdef
SIGWINCH` sections to become inactive. The code builds, but then the
TUI fails to react to terminal size changes. When we add back the
inclusion of signal.h, then we see the same build error as on AIX.
On AIX, I suppose that the SIGWINCH define is still seen by some other
transitive include.
When I go back to before 9102a6c15c75, I don't see async-event.h and
signal.h being marked as unneeded by clangd, so I'm not sure why I
removed them in the first place... I'll be more careful in the future
(files with #ifdef/#ifndef can be tricky w.r.t. determining necessary
includes).
So, re-add the inclusion of signal.h and async-event.h
Change-Id: I3ed385c2dc1726ade2118a5186ea7cccffd12635
Reported-By: Aditya Kamath1 <Aditya.Kamath1@ibm.com>
Reported-By: Tom de Vries <tdevries@suse.de>
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31865
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In test-case gdb.mi/mi-var-child-f.exp, we have:
...
mi_gdb_test "-gdb-set auto-solib-add off" "\\^done"
mi_runto prog_array
mi_gdb_test "nosharedlibrary" ".*\\^done"
...
This was added to avoid a name clash between the array variable as defined in
gdb.mi/array.f90 and debug info in shared libraries, and used in other places
in the testsuite.
The same workaround is also used to ignore symbols from shared libraries when
excercising for instance a command that prints all symbols.
However, this approach can cause problems for targets like arm that require
symbol info for some libraries like ld.so and libc to fully function.
While absense of debug info for shared libraries should be handled gracefully
(which does need fixing, see PR31817), failure to do so should not result
in failures in unrelated test-cases.
Fix this by removing "set auto-solib-add off".
This ensures that we don't run into PR31817, while the presence of
nosharedlibrary still ensures that in the rest of the test-case we're not
bothered by shared library symbols.
Likewise in other test-cases.
Approved-by: Kevin Buettner <kevinb@redhat.com>
Tested on arm-linux.
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PR gas/31752
While not quite as macro-like as .irp / .irpc, this perhaps benefits from
supporting \+ even more than those: It allows, where desired, to get away
without maintaining an explicit count variable in source code.
Keep .rep (and custom per-arch uses of s_rept() / do_repeat()) behavior
unaltered.
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This was overlooked when the form was added by dd74a603376e ("Support
APX NF").
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Not all aarch64 targets supports dt_relr as this requires some
mechanisms on the OS side.
Adjust support_dt_relr helper and use it in aarch64-elf.exp.
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