Nick Clifton [Tue, 31 Jan 2023 13:02:20 +0000 (13:02 +0000)]
Updated Swedish translation for the binutils sub-directory
Alan Modra [Tue, 31 Jan 2023 11:18:58 +0000 (21:48 +1030)]
Re: Another fix for EFI generation with LTO enabled
Revert
1c66b8a03989 and instead fix the broken list pointer.
PR 29998
* pe-dll.c (build_filler_bfd): Revert last change.
* ldlang.c (lang_process): When rescanning archives for lto,
fix file_chain.tail pointer if the insert point happens to be
at the end of the list.
Andrew Burgess [Mon, 30 Jan 2023 11:47:31 +0000 (11:47 +0000)]
gas/ppc: Additional tests for DFP instructions
I noticed that some of the Power6 DFP instructions were not covered by
the assembler tests. I've added a new test file which I believe
covers all the DFP Power6 instructions.
The existing gas/testsuite/gas/ppc/power6.d test is called:
POWER6 tests (includes DFP and Altivec)
And does cover some of the DFP instructions. But, given the number of
additional instructions I'm adding I opted to add a whole new test
file. I've left the original power6.d unchanged, so there is now some
overlap, but I don't think that should hurt much.
Jan Beulich [Tue, 31 Jan 2023 08:47:22 +0000 (09:47 +0100)]
RISC-V: make C-extension JAL available again for (32-bit) assembly
Along with the normal JAL alias, the C-extension one should have been
moved as well by
839189bc932e ("RISC-V: re-arrange opcode table for
consistent alias handling"), for the assembler to actually be able to
use it where/when possible.
Since neither this nor any other compressed branch insn was being tested
so far, take the opportunity and introduce a new testcase covering those.
Alan Modra [Tue, 31 Jan 2023 04:46:02 +0000 (15:16 +1030)]
Silence ubsan warning about 1<<31
* merge.c (hash_blob): Write 1u << 31.
Alan Modra [Tue, 31 Jan 2023 02:09:29 +0000 (12:39 +1030)]
PR 30060, ASAN error in bfd_cache_close
After bfd_close nothing should access bfd memory. Now that bfd_close
always tidies up even after an error, attempting to tidy the cached
bfd list by calling bfd_cache_close is wrong and not needed.
PR 30060
* ar.c (remove_output): Don't call bfd_cache_close.
(output_bfd): Delete.
* arsup.c (ar_end): Call bfd_close_all_done, not bfd_cache_close.
Alan Modra [Mon, 30 Jan 2023 00:59:34 +0000 (11:29 +1030)]
testsuite XPASSes
This adjusts the testsuite to get rid of a number of XPASSes that have
appeared. Someone might like to look into a better patch for the s390
change.
aarch64-pe XPASS: weak symbols
arm-nacl XPASS: rgn-over8
mcore-pe XPASS: ld-scripts/provide-8
mips64-linux-gnuabi64 XPASS: vers4
mips64-linux-gnuabi64 XPASS: vers4b
mips-linux-gnu XPASS: vers4
mips-linux-gnu XPASS: vers4b
s390-linux-gnu XPASS: undefined line
sh4-linux-gnu XPASS: --gc-sections with __start_SECTIONNAME
sh-coff XPASS: objcopy object (simple copy)
sh-coff XPASS: objcopy executable (pr25662)
binutils/
* testsuite/binutils-all/objcopy.exp: Don't xfail "simple
copy" and "pr25662" on sh-*-coff. Remove all non-ELF xfails
on "ELF unknown section type" test.
ld/
* testsuite/ld-elfvers/vers.exp (vers4, vers4b): Don't xfail
all mips, just xfail mips irix.
* testsuite/ld-gc/pr19161.d: Don't xfail sh.
* testsuite/ld-scripts/rgn-over8-ok.d: Don't xfail nacl.
* testsuite/ld-scripts/weak.exp: Don't xfail aarch64-pe.
* testsuite/ld-undefined/undefined.exp: Conditionally xfail
"undefined line" depending on gcc version for s390.
GDB Administrator [Tue, 31 Jan 2023 00:00:13 +0000 (00:00 +0000)]
Automatic date update in version.in
Tom Tromey [Mon, 30 Jan 2023 23:23:11 +0000 (16:23 -0700)]
Remove value_next declaration
value_next is declared but not defined. It's long obsolete. This
patch removes the stray declaration.
Simon Marchi [Mon, 30 Jan 2023 20:46:15 +0000 (15:46 -0500)]
gdb: fix dwarf2/cooked-index.c compilation on 32-bit systems
The i386 builder shows:
../../binutils-gdb/gdb/dwarf2/cooked-index.c: In member function ‘void cooked_index_vector::dump(gdbarch*) const’:
../../binutils-gdb/gdb/dwarf2/cooked-index.c:492:40: error: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘std::__underlying_type_impl<sect_offset, true>::type’ {aka ‘long long unsigned int’} [-Werror=format=]
492 | gdb_printf (" DIE offset: 0x%lx\n",
| ~~^
| |
| long unsigned int
| %llx
493 | to_underlying (entry->die_offset));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| std::__underlying_type_impl<sect_offset, true>::type {aka long long unsigned int}
The die_offset's underlying type is uint64, so use PRIx64 in the format
string.
Change-Id: Ibdde4c624ed1bb50eced9a514a4e37aec70a1323
Mark Wielaard [Sun, 15 Jan 2023 00:06:16 +0000 (01:06 +0100)]
gdb: Replace memcpy with std::copy to avoid some g++ warnings on sparc
For some reason g++ 12.2.1 on sparc produces spurious warnings for
stringop-overread and restrict in fbsd-tdep.c for a memcpy call.
Use std::copy to avoid the warnings:
In function ‘void* memcpy(void*, const void*, size_t)’,
inlined from ‘gdb::optional<std::vector<unsigned char, gdb::default_init_allocator<unsigned char, std::allocator<unsigned char> > > > fbsd_make_note_desc(target_object, uint32_t)’ at ../../binutils-gdb/gdb/fbsd-tdep.c:666:10:
/usr/include/bits/string_fortified.h:29:33: error: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ specified bound
18446744073709551612 exceeds maximum object size
9223372036854775807 [-Werror=stringop-overflow=]
In function ‘void* memcpy(void*, const void*, size_t)’,
inlined from ‘gdb::optional<std::vector<unsigned char, gdb::default_init_allocator<unsigned char, std::allocator<unsigned char> > > > fbsd_make_note_desc(target_object, uint32_t)’ at ../../binutils-gdb/gdb/fbsd-tdep.c:673:10:
/usr/include/bits/string_fortified.h:29:33: error: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ accessing
18446744073709551612 bytes at offsets 0 and 0 overlaps
9223372036854775801 bytes at offset -
9223372036854775805 [-Werror=restrict]
gdb/ChangeLog:
* fbsd-tdep.c (fbsd_make_note_desc): Use std::copy instead
of memcpy.
Simon Marchi [Mon, 30 Jan 2023 16:03:37 +0000 (11:03 -0500)]
gdb/dwarf: dump cooked index contents in cooked_index_functions::dump
As I am investigating a crash I see with the cooked index, I thought it
would be useful to have a way to dump the index contents. For those not
too familiar with it (that includes me), it can help get a feel of what
it contains and how it is structured.
The cooked_index_functions::dump function is called as part of the
"maintenance print objfiles" command. I tried to make the output
well structured and indented to help readability, as this prints a lot
of text.
The dump function first dumps all cooked index entries, like this:
[25] ((cooked_index_entry *) 0x621000121220)
name: __ioinit
canonical: __ioinit
DWARF tag: DW_TAG_variable
flags: 0x2 [IS_STATIC]
DIE offset: 0x21a4
parent: ((cooked_index_entry *) 0x6210000f9610) [std]
Then the information about the main symbol:
main: ((cooked_index_entry *) 0x621000123b40) [main]
And finally the address map contents:
[1] ((addrmap *) 0x6210000f7910)
[0x0] ((dwarf2_per_cu_data *) 0)
[0x118a] ((dwarf2_per_cu_data *) 0x60c000007f00)
[0x1cc7] ((dwarf2_per_cu_data *) 0)
[0x1cc8] ((dwarf2_per_cu_data *) 0x60c000007f00)
[0x1cdf] ((dwarf2_per_cu_data *) 0)
[0x1ce0] ((dwarf2_per_cu_data *) 0x60c000007f00)
The display of address maps above could probably be improved, to show it
more as ranges, but I think this is a reasonable start.
Note that this patch depends on Pedro Alves' patch "enum_flags
to_string" [1]. If my patch is to be merged before Pedro's series, I
will cherry-pick this patch from his series and merge it before mine.
[1] https://inbox.sourceware.org/gdb-patches/
20221212203101.
1034916-8-pedro@palves.net/
Change-Id: Ida13e479fd4c8d21102ddd732241778bc3b6904a
Pedro Alves [Tue, 25 Oct 2022 14:39:37 +0000 (15:39 +0100)]
enum_flags to_string
This commit introduces shared infrastructure that can be used to
implement enum_flags -> to_string functions. With this, if we want to
support converting a given enum_flags specialization to string, we
just need to implement a function that provides the enumerator->string
mapping, like so:
enum some_flag
{
SOME_FLAG1 = 1 << 0,
SOME_FLAG2 = 1 << 1,
SOME_FLAG3 = 1 << 2,
};
DEF_ENUM_FLAGS_TYPE (some_flag, some_flags);
static std::string
to_string (some_flags flags)
{
static constexpr some_flags::string_mapping mapping[] = {
MAP_ENUM_FLAG (SOME_FLAG1),
MAP_ENUM_FLAG (SOME_FLAG2),
MAP_ENUM_FLAG (SOME_FLAG3),
};
return flags.to_string (mapping);
}
.. and then to_string(SOME_FLAG2 | SOME_FLAG3) produces a string like
"0x6 [SOME_FLAG2 SOME_FLAG3]".
If we happen to forget to update the mapping array when we introduce a
new enumerator, then the string representation will pretty-print the
flags it knows about, and then the leftover flags in hex (one single
number). For example, if we had missed mapping SOME_FLAG2 above, we'd
end up with:
to_string(SOME_FLAG2 | SOME_FLAG3) => "0x6 [SOME_FLAG2 0x4]");
Other than in the unit tests included, no actual usage of the
functionality is added in this commit.
Approved-By: Simon Marchi <simon.marchi@efficios.com>
Change-Id: I835de43c33d13bc0c95132f42c3f97318b875779
Tom Tromey [Fri, 27 Jan 2023 18:19:16 +0000 (11:19 -0700)]
Fix comparator bug in cooked index
Simon pointed out that the cooked index template-matching patch
introduced a failure in libstdc++ debug mode. In particular, the new
code violates the assumption of std::lower_bound and std::upper_bound
that the range is sorted with respect to the comparison.
When I first debugged this, I thought the problem was unfixable as-is
and that a second layer of filtering would have to be done. However,
on irc, Simon pointed out that it could perhaps be solved if the
comparison function were assured that one operand always came from the
index, with the other always being the search string.
This patch implements this idea.
First, a new mode is introduced: a sorting mode for
cooked_index_entry::compare. In this mode, strings are compared
case-insensitively, but we're careful to always sort '<' before any
other printable character. This way, two names like "func" and
"func<param>" will be sorted next to each other -- i.e., "func1" will
not be seen between them. This is important when searching.
Second, the compare function is changed to work in a strcmp-like way.
This makes it easier to test and (IMO) understand.
Third, the compare function is modified so that in non-sorting modes,
the index entry is always the first argument. This allows consistency
in compares.
I regression tested this in libstdc++ debug mode on x86-64 Fedora 36.
It fixes the crash that Simon saw.
This is v2. I believe it addresses the review comments, except for
the 'enum class' change, as I mentioned in email on the list.
Approved-By: Simon Marchi <simon.marchi@efficios.com>
Tom Tromey [Sat, 28 Jan 2023 15:30:57 +0000 (08:30 -0700)]
Clean up lnp_state_machine constructor
This changes the lnp_state_machine constructor to initialize members
directly; and changes lnp_state_machine itself to initialize members
inline when possible.
Reviewed-By: Lancelot Six <lancelot.six@amd.com>
Tom Tromey [Mon, 30 Jan 2023 15:29:36 +0000 (10:29 -0500)]
Make addrmap const-correct in cooked index
After the cooked index is created, the addrmaps should be const.
Change-Id: I8234520ab346ced40a8dd6e478ba21fc438c2ba2
Simon Marchi [Fri, 27 Jan 2023 19:46:50 +0000 (14:46 -0500)]
gdb: provide const-correct versions of addrmap::find and addrmap::foreach
Users of addrmap::find and addrmap::foreach that have a const addrmap
should ideally receive const pointers to objects, to indicate they
should not be modified. However, users that have a non-const addrmap
should still receive a non-const pointer.
To achieve this, without adding more virtual methods, make the existing
find and foreach virtual methods private and prefix them with "do_".
Add small non-const and const wrappers for find and foreach.
Obviously, the const can be cast away, but if using static_cast
instead of C-style casts, then the compiler won't let you cast
the const away. I changed all the callers of addrmap::find and
addrmap::foreach I could find to make them use static_cast.
Change-Id: Ia8e69d022564f80d961413658fe6068edc71a094
Tom Tromey [Mon, 30 Jan 2023 15:03:33 +0000 (08:03 -0700)]
Use xfail in ptype_tagged_param.exp
Pedro pointed out that ptype_tagged_param.exp used a kfail, but an
xfail would be more appropriate as the problem appears to be in gcc,
not gdb.
Christina Schimpe [Thu, 9 Dec 2021 13:18:36 +0000 (14:18 +0100)]
gdb: Remove workaround for the vCont packet
The workaround for the vCont packet is no longer required due to the
former commit "gdb: Make global feature array a per-remote target array".
The vCont packet is now checked once when the connection is started and
the supported vCont actions are set to the target's remote state
attribute.
Christina Schimpe [Fri, 26 Nov 2021 18:23:48 +0000 (18:23 +0000)]
gdb: Add per-remote target variables for memory read and write config
This patch adds per-remote target variables for the configuration of
memory read- and write packet size. It is a further change to commit
"gdb: Make global feature array a per-remote target array" to apply the
fixme notes described in commit
5b6d1e4 "Multi-target support".
The former global variables for that configuration are still available
to allow the command line configuration for all future remote
connections. Similar to the command line configuration of the per-
remote target feature array, the commands
- set remotewritesize (deprecated)
- set remote memory-read-packet-size
- set remote memory-write-packet-size
will configure the current target (if available). If no target is
available, the default configuration for future remote connections is
adapted. The show command will display the current remote target's
packet size configuration. If no remote target is selected, the default
configuration for future connections will be shown.
It is required to adapt the test gdb.base/remote.exp which is failing
for --target_board=native-extended-gdbserver. With that board GDB
connects to gdbserver at gdb start time. Due to this patch two loggings
"The target may not be able to.." are shown if the command 'set remote
memory-write-packet-size fixed' is executed while a target is connected
for the current inferior. To fix this, the clean_restart command is
moved to a later time point of the test. It is sufficient to be
connected to the server when "runto_main" is executed. Now the
connection time is similar to a testrun with
--target_board=native-gdbserver.
To allow the user to distinguish between the packet-size configuration
for future remote connections and for the currently selected target, the
commands' loggings are adapted.
Christina Schimpe [Thu, 18 Nov 2021 16:13:16 +0000 (16:13 +0000)]
gdb: Make global feature array a per-remote target array
This patch applies the appropriate FIXME notes described in commit
5b6d1e4
"Multi-target support".
"You'll notice that remote.c includes some FIXME notes. These refer to
the fact that the global arrays that hold data for the remote packets
supported are still globals. For example, if we connect to two
different servers/stubs, then each might support different remote
protocol features. They might even be different architectures, like
e.g., one ARM baremetal stub, and a x86 gdbserver, to debug a
host/controller scenario as a single program. That isn't going to
work correctly today, because of said globals. I'm leaving fixing
that for another pass, since it does not appear to be trivial, and I'd
rather land the base work first. It's already useful to be able to
debug multiple instances of the same server (e.g., a distributed
cluster, where you have full control over the servers installed), so I
think as is it's already reasonable incremental progress."
Using this patch it is possible to configure per-remote targets'
feature packets.
Given the following setup for two gdbservers:
~~~~
gdbserver --multi :1234
gdbserver --disable-packet=vCont --multi :2345
~~~~
Before this patch configuring of range-stepping was not possible for one
of two connected remote targets with different support for the vCont
packet. As one of the targets supports vCont, it should be possible to
configure "set range-stepping". However, the output of GDB looks like:
(gdb) target extended-remote :1234
Remote debugging using :1234
(gdb) add-inferior -no-connection
[New inferior 2]
Added inferior 2
(gdb) inferior 2
[Switching to inferior 2 [<null>] (<noexec>)]
(gdb) target extended-remote :2345
Remote debugging using :2345
(gdb) set range-stepping on
warning: Range stepping is not supported by the current target
(gdb) inferior 1
[Switching to inferior 1 [<null>] (<noexec>)]
(gdb) set range-stepping on
warning: Range stepping is not supported by the current target
~~~~
Two warnings are shown. The warning for inferior 1 should not appear
as it is connected to a target supporting the vCont package.
~~~~
(gdb) target extended-remote :1234
Remote debugging using :1234
(gdb) add-inferior -no-connection
[New inferior 2]
Added inferior 2
(gdb) inferior 2
[Switching to inferior 2 [<null>] (<noexec>)]
(gdb) target extended-remote :2345
Remote debugging using :2345
(gdb) set range-stepping on
warning: Range stepping is not supported by the current target
(gdb) inferior 1
[Switching to inferior 1 [<null>] (<noexec>)]
(gdb) set range-stepping on
(gdb)
~~~~
Now only one warning is shown for inferior 2, which is connected to
a target not supporting vCont.
The per-remote target feature array is realized by a new class
remote_features, which stores the per-remote target array and
provides functions to determine supported features of the target.
A remote_target object now has a new member of that class.
Each time a new remote_target object is initialized, a new per-remote
target array is constructed based on the global remote_protocol_packets
array. The global array is initialized in the function _initialize_remote
and can be configured using the command line. Before this patch the
command line configuration affected current targets and future remote
targets (due to the global feature array used by all remote
targets). This behavior is different and the configuration applies as
follows:
- If a target is connected, the command line configuration affects the
current connection. All other existing remote targets are not
affected.
- If not connected, the command line configuration affects future
connections.
The show command displays the current remote target's configuration. If no
remote target is selected the default configuration for future
connections is shown.
If we have for instance the following setup with inferior 2 being
selected:
~~~~
(gdb) info inferiors
Num Description Connection Executable
1 <null> 1 (extended-remote :1234)
* 2 <null> 2 (extended-remote :2345)
~~~~
Before this patch, if we run 'set remote multiprocess-feature-packet', the
following configuration was set:
The feature array of all remote targets (in this setup the two connected
targets) and all future remote connections are affected.
After this patch, it will be configured as follows:
The feature array of target with port :2345 which is currently selected
will be configured. All other existing remote targets are not affected.
The show command 'show remote multiprocess-feature-packet' will display
the configuration of target with port :2345.
Due to this configuration change, it is required to adapt the test
"gdb/testsuite/gdb.multi/multi-target-info-inferiors.exp" to configure the
multiprocess-feature-packet before the connections are created.
To inform the gdb user about the new behaviour of the 'show remote
PACKET-NAME' commands and the new configuration impact for remote
targets using the 'set remote PACKET-NAME' commands the commands'
outputs are adapted. Due to this change it is required to adapt each
test using the set/show remote 'PACKET-NAME' commands.
GDB Administrator [Mon, 30 Jan 2023 00:00:07 +0000 (00:00 +0000)]
Automatic date update in version.in
GDB Administrator [Sun, 29 Jan 2023 00:00:38 +0000 (00:00 +0000)]
Automatic date update in version.in
GDB Administrator [Sat, 28 Jan 2023 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
Tom Tromey [Fri, 27 Jan 2023 16:20:43 +0000 (09:20 -0700)]
More const-correctness in cooked indexer
I noticed that iterating over the index yields non-const
cooked_index_entry objects. However, after finalization, they should
not be modified. This patch enforces this by adding const where
needed.
v2 makes the find, all_entries, and wait methods const as well.
Tom de Vries [Fri, 27 Jan 2023 21:01:16 +0000 (22:01 +0100)]
[gdb/testsuite] Simplify gdb.base/unwind-on-each-insn.exp.tcl
Recent commit
1d98e564c97 ("[gdb/testsuite] Add
gdb.base/unwind-on-each-insn-{amd64,i386}.exp") broke commit
eb015bf86b6
("[gdb/testsuite] Avoid using .eh_frame in gdb.base/unwind-on-each-insn.exp"),
in the sense that gdb.base/unwind-on-each-insn.exp no longer uses
-fno-asynchronous-unwind-tables, due to trying to concatenate two lists using:
...
lappend srcfile2_flags $nodebug_flags
...
which should instead be:
...
lappend srcfile2_flags {*}$nodebug_flags
...
Fix this by simplifying gdb.base/unwind-on-each-insn.exp.tcl, completely
leaving the responsibility to set srcfile_flags and srcfile2_flags to each
includer.
Tested on x86_64-linux.
Tom Tromey [Fri, 27 Jan 2023 17:22:17 +0000 (10:22 -0700)]
Invert test in gdb.ada/ptype_tagged_param.exp
Simon pointed out that the kfail check in
gdb.ada/ptype_tagged_param.exp is inverted. See:
https://sourceware.org/pipermail/gdb-patches/2023-January/196296.html
This patch fixes the problem.
Andrew Burgess [Thu, 5 Jan 2023 14:42:34 +0000 (14:42 +0000)]
gdb/tui: more debug output
Add some additional debug output that I've found really useful while
working on the previous set of patches.
Unless tui debug is turned on, then there should be no user visible
changes with this commit.
Andrew Burgess [Thu, 5 Jan 2023 12:26:09 +0000 (12:26 +0000)]
gdb/tui: avoid extra refresh_window on vertical scroll
While working on the previous couple of patches I noticed that when I
scroll the src and asm windows vertically, I get two refresh_window
calls.
The two calls can be traced back to
tui_source_window_base::update_source_window_as_is, in here we call
show_source_content, which calls refresh_window, and then
update_exec_info, which also calls refresh_window.
In this commit I propose making the refresh_window call in
update_exec_info optional. In update_source_window_as_is I'll then
call update_exec_info before calling show_source_content, and pass a
flag to update_exec_info to defer the refresh.
There are places where update_exec_info is used without any subsequent
refresh_window call (e.g. when a breakpoint is updated), so
update_exec_info does not to call refresh_window in some cases, which
is why I'm using a flag to control the refresh.
With this changes I'm now only seeing a single refresh_window call for
each vertical scroll.
There should be no user visible changes after this commit.
Andrew Burgess [Thu, 5 Jan 2023 12:18:05 +0000 (12:18 +0000)]
gdb/tui: avoid extra refresh_window on horizontal scroll
While working on the previous patches I noticed that in some cases I
was seeing two calls to tui_source_window_base::refresh_window when
scrolling the window horizontally.
The two calls would trigger in for the tui-disasm-long-lines.exp test
when the pad needed to be refilled. The two called both come from
tui_source_window_base::show_source_content. The first call is nested
within check_and_display_highlight_if_needed, while the second call is
done directly at the end of show_source_content.
The check_and_display_highlight_if_needed is being used to draw the
window box to the window, this is needed here because
show_source_content is what gets called when the window needs
updating, e.g. after a resize. We could potentially do the boxing in
refresh_window, but then we'd be doing it each time we scroll, even
though the box doesn't need changing in this case.
However, we can move the check_and_display_highlight_if_needed to be
the last thing done in show_source_content, this means that we can
rely on the refresh_window call within it to be our single refresh
call.
There should be no user visible changes after this commit.
Andrew Burgess [Sat, 24 Dec 2022 20:45:51 +0000 (20:45 +0000)]
gdb/tui: rewrite of tui_source_window_base to handle very long lines
This commit addresses an issue that is exposed by the test script
gdb.tui/tui-disasm-long-lines.exp, that is, tui_source_window_base
does not handle very long lines.
The problem can be traced back to the newpad call in
tui_source_window_base::show_source_content, this is where we allocate
a backing pad to hold the window content.
Unfortunately, there appears to be a limit to the size of pad that can
be allocated, and the gdb.tui/tui-disasm-long-lines.exp test goes
beyond this limit. As a consequence the newpad call fails and returns
nullptr.
It just so happens that the reset of the tui_source_window_base code
can handle the pad being nullptr (this happens anyway when the window
is first created, so we already depend on nullptr handling), so all
that happens is the source window displays no content.
... well, sort of ... something weird does happen in the command
window, we seem to see a whole bunch of blank lines. I've not
bothered to track down exactly what's happening there, but it's some
consequence of GDB attempting to write content to a WINDOW* that is
nullptr.
Before explaining my solution, I'll outline how things currently work:
Consider we have the following window content to display:
aaaaaaaaaa
bbbbbbbbbbbbbbbbbbbb
ccccccccccccccc
the longest line here is 20 characters. If our display window is 10
characters wide, then we will create a pad that is 20 characters wide,
and then copy the lines of content into the pad:
.--------------------.
|
aaaaaaaaaa |
|
bbbbbbbbbbbbbbbbbbbb|
|
ccccccccccccccc |
.--------------------.
Now we will copy a 10 character wide view into this pad to the
display, our display will then see:
.----------.
|
aaaaaaaaaa|
|
bbbbbbbbbb|
|
cccccccccc|
.----------.
As the user scrolls left and right we adjust m_horizontal_offset and
use this to select which part of the pad is copied onto the display.
The benefit of this is that we only need to copy the content to the
pad once, which includes processing the ansi escape sequences, and
then the user can scroll left and right as much as they want
relatively cheaply.
The problem then, is that if the longest content line is very long,
then we try to allocate a very large pad, which can fail.
What I propose is that we allow both the pad and the display view to
scroll. Once we allow this, then it becomes possible to allocate a
pad that is smaller than the longest display line. We then copy part
of the content into the pad. As the user scrolls the view left and
right GDB will continue to copy content from the pad just as it does
right now. But, when the user scrolls to the edge of the pad, GDB
will copy a new block of content into the pad, and then update the
view as normal. This all works fine so long as the maximum pad size
is larger than the current window size - which seems a reasonable
restriction, if ncurses can't support a pad of a given size it seems
likely it will not support a display window of that size either.
If we return to our example above, but this time we assume that the
maximum pad size is 15 characters, then initially the pad would be
loaded like this:
.---------------.
|
aaaaaaaaaa |
|
bbbbbbbbbbbbbbb|
|
ccccccccccccccc|
.---------------.
Notice that the last 5 characters from the 'b' line are no longer
included in the pad. There is still enough content though to fill the
10 character wide display, just as we did before.
The pad contents remain unchanged until the user scrolls the display
right to this point:
.----------.
|aaaaa |
|
bbbbbbbbbb|
|
cccccccccc|
.----------.
Now, when the user scrolls right once more GDB spots that the user has
reached the end of the pad, and the pad contents are reloaded, like
this:
.---------------.
|aaaaa |
|
bbbbbbbbbbbbbbb|
|
cccccccccc |
.---------------.
The display can now be updated from the pad again just like normal.
With this change in place the gdb.tui/tui-disasm-long-lines.exp test
now correctly loads the assembler code, and we can scroll around as
expected.
Most of the changes are pretty mundane, just updating to match the
above. One interesting change though is the new member function
tui_source_window_base::puts_to_pad_with_skip. This replaces direct
calls to tui_puts when copying content to the pad.
The content strings contain ansi escape sequences. When these strings
are written to the pad these escape sequences are translated into
ncurses attribute setting calls.
Now however, we sometimes only write a partial string to the pad,
skipping some of the leading content. Imagine then that we have a
content line like this:
"\033[31mABCDEFGHIJKLM\033[0m"
Now the escape sequences in this content mean that the actual
content (the 'ABCDEFGHIJKLM') will have a red foreground color.
If we want to copy this to the pad, but skip the first 3 characters,
then what we expect is to have the pad contain 'DEFGHIJKLM', but this
text should still have a red foreground color.
It is this problem that puts_to_pad_with_skip solves. This function
skips some number of printable characters, but processes all the
escape sequences. This means that when we do start printing the
actual content the content will have the expected attributes.
/
Andrew Burgess [Wed, 4 Jan 2023 17:07:47 +0000 (17:07 +0000)]
gdb/tui: make m_horizontal_offset private
I noticed that tui_source_window_base::m_horizontal_offset was
protected, but could be made private, so lets do that.
This makes more sense in the context of a later commit where I plan to
add another member variable that is similar to m_horizontal_offset.
The new member variable could also be private.
So I had to choose, place the new member variable next to
m_horizontal_offset making it protected, but grouping similar
variables together, or make m_horizontal_offset private, and then add
the new variable as private too.
I chose to make m_horizontal_offset private, which is this commit.
There should be no user visible changes after this commit.
Andrew Burgess [Wed, 4 Jan 2023 09:48:31 +0000 (09:48 +0000)]
gdb/tui: disable tui mode when an assert triggers
When an assert triggers in tui mode the output is not great, the
internal backtrace that is generated is printed directly to the file
descriptor for gdb_stderr, and, as a result, does not currently format
itself correctly - the output uses only '\n' at the end of each line,
and so, when the terminal is in raw mode, the cursor does not return
to the start of each line after the '\n'.
This is mostly fixable, we could update bt-utils.c to use '\r\n'
instead of just '\n', and this would fix most of the problems. The
one we can't easily fix is if/when GDB is built to use execinfo
instead of libbacktrace, in this case we use backtrace_symbols_fd to
print the symbols, and this function only uses '\n' as the line
terminator. Fixing this would require switching to backtrace_symbols,
but that API uses malloc, which is something we're trying to
avoid (this code is called when GDB hits an error, so ideally we don't
want to rely on malloc).
However, the execinfo code is only used when libbacktrace is not
available (or the user specifically disables libbacktrace) so maybe we
can ignore that problem...
... but there is another problem. When the backtrace is printed in
raw mode, it is possible that the backtrace fills the screen. With
the terminal in raw mode we don't have the ability to scroll back,
which means we loose some of the backtrace, which isn't ideal.
In this commit I propose that we should disable tui mode whenever we
handle a fatal signal, or when we hit the internal error code
path (e.g. when an assert triggers). With this done then we don't
need to update the bt-utils.c code, and the execinfo version of the
code (using backtrace_symbols_fd) works just fine. We also get the
ability to scroll back to view the error message and all of the
backtrace, assuming the users terminal supports scrolling back.
The only downside I see with this change is if the tui_disable call
itself causes an error for some reason, or, if we handle a single at a
time when it is not safe to call tui_disable, in these cases the extra
tui_disable call might cause GDB to loose the original error.
However, I think (just from personal experience) that the above two
issues are pretty rare and the benefits from this change far out
weighs the possible drawbacks.
Andrew Burgess [Thu, 22 Dec 2022 16:26:37 +0000 (16:26 +0000)]
gdb/tui: improve errors from tui focus command
This commit improves (I think) the errors from the tui focus command.
There are a number of errors that can be triggered by the focus
command, they include:
(1) Window name "NAME" is ambiguous
(2) Unrecognized window name "NAME"
(3) Window "NAME" cannot be focused
Error (1) is triggered when the user gives a partial window name, and
the name matches multiple windows in the current layout.
It is worth noting that the ambiguity must be within the current
layout; if the partial name matches one window in the current layout,
and one or more windows not in the current layout, then this is not
ambiguous, and focus will shift to the matching window in the current
layout.
This error was not previous being tested, but in this commit I make
use of the Python API to trigger and test this error.
Error (3) is simple enough, and was already being tested. This is
triggered by something like 'focus status'. The named window needs to
be present in the current layout, and non-focusable in order to
trigger the error.
Error (2) is what I'd like to improve in this commit. This error
triggers if the name the user gives doesn't match any window in the
current layout. Even if GDB does know about the window, but the
window isn't in the current layout, then GDB will say it doesn't
recognize the window name.
In this commit I propose to to split this error into three different
errors. These will be:
(a) Unrecognized window name "NAME"
(b) No windows matching "NAME" in the current layout
(c) Window "NAME" is not in the current layout
Error (a) is the same as before, but will now only trigger if GDB
doesn't know about window NAME at all. If the window is known, but
not in the current layout then one of the other errors will trigger.
Error (b) will trigger if NAME is ambiguous for multiple windows that
are not in the current layout. If NAME identifies a single window in
the current layout then that window will continue to be selected, just
as it currently is. Only in the case where NAME doesn't identify a
window in the current layout do we then check all the other known
windows, if NAME matches multiple of these, then (b) is triggered.
Finally, error (c) is used when NAME uniquely identifies a single
window that is not in the current layout.
The hope with these new errors is that the user will have a better
understanding of what went wrong. Instead of GDB claiming to not know
about a window, the mention of the current layout will hint to the
user that they should first switch layouts.
There are tests included for all the new errors.
Andrew Burgess [Thu, 22 Dec 2022 16:26:50 +0000 (16:26 +0000)]
gdb/testsuite: fix line feed scrolling in tuiterm.exp
In a following commit I managed to trigger the line feed scrolling
case in tuiterm.exp. This case is currently unhandled, and this
commit fills in this missing functionality.
The implementation is pretty simple, just scroll all the content up
one line at a time until the cursor is back on the screen (a single
line of scroll is all that should be needed).
This change is untested in this commit, but is required by the next
commit.
Nick Clifton [Fri, 27 Jan 2023 11:59:53 +0000 (11:59 +0000)]
Another fix for EFI generation with LTO enabled.
PR 29998 * pe-dll.c (build_filler_bfd): Initialise the next field of the filler input statement, so that it does not break the file chain.
Jan Beulich [Fri, 27 Jan 2023 08:23:38 +0000 (09:23 +0100)]
x86: move reg_operands adjustment
Ideally we'd do away with this somewhat questionable adjustment (leaving
i.types[] untouched). That's non-trivial though as it looks, so only
- move the logic into process_operands(), putting it closer to related
logic and eliminating a conditional for operand-less insns,
- make it consistent (i.e. also affect %xmm0), eliminating an ugly
special case later in the function.
Jan Beulich [Fri, 27 Jan 2023 08:23:12 +0000 (09:23 +0100)]
x86: drop dead SSE2AVX-related code
All (there are just two) SSE2AVX templates with %xmm0 as first operand
also specify VEX3SOURCES. Hence there's no need for an "else" to the
respective if(), and the if() itself can become an assertion.
Jan Beulich [Fri, 27 Jan 2023 08:22:49 +0000 (09:22 +0100)]
x86: use ModR/M for FPU insns with operands
This is the correct way of expressing things; encoding the ModR/M byte
directly in base_opcode has always been bogus.
Jan Beulich [Fri, 27 Jan 2023 08:21:24 +0000 (09:21 +0100)]
x86/Intel: improve special casing of certain insns
Now that we have identifiers for the mnemonic strings we can avoid
opcode based comparisons, for (in many cases) being more expensive and
(in a few cases) being a little fragile and not self-documenting.
Jan Beulich [Fri, 27 Jan 2023 08:20:58 +0000 (09:20 +0100)]
opcodes: suppress internationalization on build helper tools
While one of the two actually having been instrumented (i386-gen.c) now
has that instrumentation dropped, there's still no point in honoring
such instrumentation in general (i.e. now for ia64-gen.c only), as that
only leads to a waste of resources.
With CFILES then being merely an alias of LIBOPCODES_CFILES, drop the
former variable altogether.
Jan Beulich [Fri, 27 Jan 2023 08:20:26 +0000 (09:20 +0100)]
x86: remove internationalization from i386-gen.c
This is a build time helper utility, which doesn't require translation.
Alan Modra [Fri, 27 Jan 2023 05:02:06 +0000 (15:32 +1030)]
Call bfd_close_all_done in ld_cleanup
This is similar to "Call bfd_close_all_done in output_file_close",
but with some code tidying in the pe/pep write_build_id functions.
write_build_id is passed the output bfd as its parameter, so there is
no need to go looking for the output bfd via link_info (and doing so
will no longer work since I clear link_info.output_bfd before calling
bfd_close).
* emultempl/pe.em (write_build_id): Rename t to td. Formatting.
Don't access pe_data(link_info.output_bfd), use td instead.
(setup_build_id): Rename t to td. Formatting.
* emultempl/pep.em: As for pe.em.
* ldmain.c (ld_cleanup): Call bfd_close_all_done on linker bfds.
(main): Clear link_info.output_bfd when closing.
Alan Modra [Fri, 27 Jan 2023 04:46:03 +0000 (15:16 +1030)]
Perform cleanup in bfd_close after errors
It seems reasonable to continue after errors in bfd_close_all_done,
particularly since bfd_close_all_done is typically called on an output
file after we've hit some sort of error elsewhere. The iovec test is
necessary if bfd_close_all_done is to work on odd bfd's opened by
bfd_create.
* opncls.c (bfd_close): Call bfd_close_all_done after errors
from _bfd_write_contents.
(bfd_close_all_done): Call _bfd_delete_bfd after errors.
Don't call iovec->bclose when iovec is NULL.
Alan Modra [Fri, 27 Jan 2023 02:01:27 +0000 (12:31 +1030)]
Call bfd_close_all_done in output_file_close
bfd_cache_close_all is good for closing file descriptors, but doesn't
do the cleanup of bfd memory as in bfd_close_all_done.
PR 13056
* output-file.c (output_file_close): Call bfd_close_all_done,
not bfd_cache_close_all.
Alan Modra [Fri, 27 Jan 2023 00:01:56 +0000 (10:31 +1030)]
gas macro memory leaks
This tidies memory allocated for entries in macro_hash. Freeing the
macro name requires a little restructuring of the define_macro
interface due to the name being used in the error message, and exposed
the fact that the name and other fields were not initialised by the
iq2000 backend.
There is also a fix for
.macro .macro
.endm
.macro .macro
.endm
which prior to this patch reported
mac.s:1: Warning: attempt to redefine pseudo-op `.macro' ignored
mac.s:3: Error: Macro `.macro' was already defined
rather than reporting the attempt to redefine twice.
* macro.c (macro_del_f): New function.
(macro_init): Use it when creating macro_hash.
(free_macro): Free macro name too.
(define_macro): Return the macro_entry, remove idx, file, line and
namep params. Call as_where. Report errors here. Delete macro
from macro_hash on attempt to redefined pseudo-op.
(delete_macro): Don't call free_macro.
* macro.h (define_macro): Update prototype.
* read.c (s_macro): Adjust to suit.
* config/tc-iq2000.c (iq2000_add_macro): Init all fields of
macro_entry.
Mark Harmstone [Thu, 26 Jan 2023 00:33:29 +0000 (00:33 +0000)]
gas/testsuite: Add -gcodeview test for aarch64-w64-mingw32
This is a copy of the x86 gas -gcodeview test, with changes made for the
differing instruction lengths between x86 and aarch64.
Mark Harmstone [Wed, 25 Jan 2023 23:54:37 +0000 (23:54 +0000)]
gas: Add CodeView constant for aarch64
Adds the correct constant to the S_COMPILE3 CodeView record when
assembling aarch64-w64-mingw32 with the -gcodeview flag.
Tom Tromey [Wed, 25 Jan 2023 21:55:12 +0000 (14:55 -0700)]
Use clean_restart in gdb.base
Change gdb.base to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 21:48:55 +0000 (14:48 -0700)]
Use clean_restart in gdb.python
Change gdb.python to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 21:43:51 +0000 (14:43 -0700)]
Use clean_restart in gdb.cp
Change gdb.cp to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 21:42:39 +0000 (14:42 -0700)]
Use clean_restart in gdb.disasm
Change gdb.disasm to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 21:41:57 +0000 (14:41 -0700)]
Use clean_restart in gdb.perf
Change gdb.perf to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 21:41:39 +0000 (14:41 -0700)]
Use clean_restart in gdb.go
Change gdb.go to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 21:41:23 +0000 (14:41 -0700)]
Use clean_restart in gdb.stabs
Change gdb.stabs to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:48:44 +0000 (10:48 -0700)]
Use clean_restart in gdb.fortran
Change gdb.fortran to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:48:27 +0000 (10:48 -0700)]
Use clean_restart in gdb.ada
Change gdb.ada to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:46:52 +0000 (10:46 -0700)]
Use clean_restart in gdb.dwarf2
Change gdb.dwarf2 to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:45:30 +0000 (10:45 -0700)]
Use clean_restart in gdb.reverse
Change gdb.reverse to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:44:25 +0000 (10:44 -0700)]
Use clean_restart in gdb.arch
Change gdb.arch to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:39:53 +0000 (10:39 -0700)]
Use clean_restart in gdb.guile
Change gdb.guile to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:36:09 +0000 (10:36 -0700)]
Use clean_restart in gdb.threads
Change gdb.threads to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:31:34 +0000 (10:31 -0700)]
Use clean_restart in gdb.objc
Change gdb.objc to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:18:01 +0000 (10:18 -0700)]
Use clean_restart in gdb.trace
Change gdb.trace to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:14:50 +0000 (10:14 -0700)]
Use clean_restart in gdb.opencl
Change gdb.opencl to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:13:40 +0000 (10:13 -0700)]
Use clean_restart in gdb.linespec
Change gdb.linespec to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:06:20 +0000 (10:06 -0700)]
Use clean_restart in gdb.pascal
Change gdb.pascal to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 17:01:57 +0000 (10:01 -0700)]
Use mi_clean_restart more
This changes a number of MI tests to use mi_clean_restart rather than
separate calls. This reduces the number of lines, which is nice, and
also provides a nicer model to copy for future tests.
Tom Tromey [Wed, 25 Jan 2023 17:00:58 +0000 (10:00 -0700)]
Start gdb after building executable in mi-basics.exp
A lot of the MI tests start gdb and only then build the executable.
This just seemed weird to me, so I've fixed this up. In this patch,
no other cleanups are done, the startup is just moved to a more
logical (to me) spot.
Tom Tromey [Wed, 25 Jan 2023 16:56:46 +0000 (09:56 -0700)]
Remove unnecessary call to standard_testfile
This test does not build a program and does not need to call
standard_testfile.
Tom Tromey [Wed, 25 Jan 2023 16:43:03 +0000 (09:43 -0700)]
Minor "require" fixups
I found a couple of spots that could use "require", and one spot where
hoisting the "require" closer to the top of the file made it more
clear.
Tom Tromey [Wed, 25 Jan 2023 16:37:25 +0000 (09:37 -0700)]
Remove some dead code in gdb.fortran/info-types.exp
An early "return" in this test case prevents a test from running.
This seems to have been intentional and has been in place since:
commit
d57cbee932f86df06251498daa93154046dc77c0
Author: Andrew Burgess <andrew.burgess@embecosm.com>
Date: Tue Dec 3 13:18:43 2019 +0000
gdb/testsuite/fortran: Fix info-modules/info-types for gfortran 8+
This patch removes the dead code.
Tom Tromey [Wed, 25 Jan 2023 16:36:25 +0000 (09:36 -0700)]
Eliminate spurious returns from the test suite
A number of tests end with "return". However, this is unnecessary.
This patch removes all of these.
Tom Tromey [Wed, 25 Jan 2023 16:26:53 +0000 (09:26 -0700)]
Use clean_restart in gdb.dlang
Change gdb.dlang to use clean_restart more consistently.
Tom Tromey [Wed, 25 Jan 2023 16:25:36 +0000 (09:25 -0700)]
Use ordinary calling convention for clean_restart
clean_restart accepts a single optional argument. Rather than using
{args} and handling the argument by hand, change it to use Tcl's own
argument-checking.
GDB Administrator [Fri, 27 Jan 2023 00:00:10 +0000 (00:00 +0000)]
Automatic date update in version.in
Alan Modra [Thu, 26 Jan 2023 08:42:09 +0000 (19:12 +1030)]
Free gas/dwarf2dbg.c dirs
Entries are allocated with xmemdup0.
* dwarf2dbg.c (dwarf2_cleanup): Free dirs entries.
Alan Modra [Thu, 26 Jan 2023 08:29:07 +0000 (18:59 +1030)]
Sanity check dwarf5 form of .file
There's a comment a few lines earlier saying that demand_copy_C_string
has already reported an error if it returns NULL. Given the proximity
I decided not to duplicate the comment.
* dwarf2dbg.c (dwarf2_directive_filename): Check return of
demand_copy_C_string for file.
Alan Modra [Thu, 26 Jan 2023 08:14:51 +0000 (18:44 +1030)]
resolve gas shift expressions with large exponents to zero
* expr.c (resolve_expression <O_left_shift, O_right_shift>): Resolve
shifts exceeding bits in a valueT to zero.
Alan Modra [Thu, 26 Jan 2023 07:55:05 +0000 (18:25 +1030)]
segv in coff_aarch64_addr32nb_reloc
* coff-aarch64.c (coff_aarch64_addr32nb_reloc): When output_bfd
is NULL (which it is for objdump -W) get the output bfd via the
input section.
Simon Marchi [Thu, 26 Jan 2023 20:46:51 +0000 (15:46 -0500)]
gdb/testsuite: initialize "correct" variable in gdb.cp/cpexprs.exp.tcl
Due to a GDB bug (visible when building with -D_GLIBCXX_DEBUG), GDB
crashes somewhere in the middle of gdb.cp/cpexprs.exp, and thus fails to
read the string, at gdb.cp/cpexprs.exp.tcl:725. The "correct" variable
doesn't get set, and I then see this TCL error:
ERROR: can't read "correct": no such variable
Avoid the TCL error by initializing the "correct" variable to a dummy
value.
Change-Id: I828968d9b2d105ef47f8da2ef598aa16a518c059
Simon Marchi [Fri, 6 Jan 2023 18:26:19 +0000 (13:26 -0500)]
gdb/testsuite/dap: fix gdb.dap/basic-dap.exp disassembly test for PIE
Prior to this patch, I get:
>>> {"seq": 17, "type": "request", "command": "disassemble", "arguments": {"memoryReference": "0x115d", "instructionCount": 1}}
Content-Length: 147
{"request_seq": 17, "type": "response", "command": "disassemble", "success": false, "message": "Cannot access memory at address 0x115d", "seq": 41}FAIL: gdb.dap/basic-dap.exp: disassemble one instruction success
FAIL: gdb.dap/basic-dap.exp: instructions in disassemble output
The problem is that the PC to disassemble is taken from the breakpoint
insertion response, which happens before running. With a PIE
executable, that PC is unrelocated, but the disassembly request happens
after relocation.
I chose to fix this by watching for a breakpoint changed event giving
the new breakpoint address, and recording the address from there. I
think this is an interesting way to fix it, because it adds a bit of
test coverage, I don't think these events are checked right now.
Other ways to fix it would be:
- Get the address by doing a breakpoint insertion after the program is
started, or some other way.
- Do the disassembly by symbol instead of by address.
- Do the disassembly before running the program.
Change-Id: I3c396f796ac4c8b22e7dfd2fa1c5467f7a47e84e
Simon Marchi [Fri, 6 Jan 2023 18:27:14 +0000 (13:27 -0500)]
gdb/testsuite/dap: make dap_wait_for_event_and_check return preceding messages
In the following patch, I change gdb.dap/basic-dap.exp such that after
waiting for some event, it checks if it received another event
meanwhile. To help with this, make dap_wait_for_event_and_check and
_dap_dap_wait_for_event return a list with everything received before
the event of interest. This is similar to what
dap_check_request_and_response returns.
Change-Id: I85c8980203a2dec833937e7552c2196bc137935d
Simon Marchi [Fri, 6 Jan 2023 17:09:38 +0000 (12:09 -0500)]
gdb/testsuite/dap: rename dap_read_event to dap_wait_for_event_and_check
I think that name describes a bit better what the proc does, it is
similar to "wait_for" in tuiterm.exp.
Change-Id: Ie55aa011e6595dd1b5a874db13881ba572ace419
Simon Marchi [Fri, 6 Jan 2023 16:15:32 +0000 (11:15 -0500)]
gdb/testsuite/dap: pass around dicts instead of TON objects
The DAP helper functions generally return TON objects. However, callers
almost all immediately use ton::2dict to convert them to dicts, to
access their contents. This commits makes things a bit simpler for them
by having function return dicts directly instead.
The downside is that the TON objects contain type information. For
instance, a "2" in a TCL dict could have been the integer 2 or the
string "2" in JSON. By converting to TCL dicts, we lose that
information. If some tests specifically want to check the types of some
fields, I think we can add intermediary functions that return TON
objects, without having to complicate other callers who don't care.
Change-Id: I2ca47bea355bf459090bae8680c6a917350b5c3f
Simon Marchi [Fri, 6 Jan 2023 16:39:29 +0000 (11:39 -0500)]
gdb/testsuite/dap: remove catch from dap_read_event
This catch didn't cause me any trouble, but for the same reason as the
preceding patch, I think it's a bit better to just let any exception
propagate, to make for easier debugging.
Change-Id: I1779e62c788b77fef2d50434edf4c3d2ec5e1c4c
Simon Marchi [Fri, 6 Jan 2023 16:09:00 +0000 (11:09 -0500)]
gdb/testsuite/dap: make dap_request_and_response not catch / issue test result
Following some of my changes, dap_request_and_response was failing and I
didn't know why. I think it's better to make it not catch any
exception, and just make it do a simple "send request, read response".
If an exception is thrown while sending a request or reading a response,
things are going really badly, it's not like we'll want to recover from
that and continue the test.
Change-Id: I27568d3547f753c3a74e3e5a730d38a8caef9356
Simon Marchi [Fri, 6 Jan 2023 15:37:10 +0000 (10:37 -0500)]
gdb/testsuite/dap: write requests to gdb.log
This helps following what happens when reading gdb.log. The downside is
that it becomes harder to tell what text is from GDB and what text is
going to GDB, but I think that seeing responses without seeing requests
is even more confusing. At least, the lines are prefix with >>>, so
when you see this, you know that until the end of the line, it's
something that was sent to GDB, and not GDB output.
Change-Id: I1ba1acd8b16f4e64686c5ad268cc41082951c874
Simon Marchi [Fri, 6 Jan 2023 15:35:53 +0000 (10:35 -0500)]
gdb/testsuite/dap: prefix some procs with _
Prefix some procs that are only used internally with an underscore, to
make it clear they are internal. If they need to be used by some test
later, we can always un-prefix them.
Change-Id: Iacb8e77363b5d1f8b98d9ba5a6d115aee5c8925d
Simon Marchi [Fri, 6 Jan 2023 15:07:21 +0000 (10:07 -0500)]
gdb/testsuite/dap: use gdb_assert in gdb.dap/basic-dap.exp
Use gdb_assert instead of manual pass/fail.
Change-Id: I71fbc4e37a0a1ef4783056c7424e932651fa397f
Vladimir Mezentsev [Thu, 26 Jan 2023 03:21:38 +0000 (19:21 -0800)]
gprofng: PR30043 libgprofng.so.* are installed to a wrong location
gprofng/ChangeLog
2023-01-25 Vladimir Mezentsev <vladimir.mezentsev@oracle.com>
PR gprofng/30043
PR gprofng/28972
* src/Makefile.am: Use lib_LTLIBRARIES instead of pkglib_LTLIBRARIES.
* src/Makefile.in: Rebuild.
Tom de Vries [Thu, 26 Jan 2023 16:21:01 +0000 (17:21 +0100)]
[gdb/testsuite] Add gdb.base/unwind-on-each-insn-{amd64,i386}.exp
The gcc 4.4.x (and earlier) compilers had the problem that the unwind info in
the epilogue was inaccurate.
In order to work around this in gdb, epilogue unwinders were added with a
higher priority than the dwarf unwinders in the amd64 and i386 targets:
- amd64_epilogue_frame_unwind, and
- i386_epilogue_frame_unwind.
Subsequently, the epilogue unwind info problem got fixed in gcc 4.5.0.
However, the epilogue unwinders prevented gdb from taking advantage of the
fixed epilogue unwind info, so the scope of the epilogue unwinders was
limited, bailing out for gcc >= 4.5.0.
There was no regression test added for this preference scheme, so if we now
declare epilogue unwind info from all gcc versions as trusted, no test will
start failing.
Fix this by adding an amd64 and i386 regression test for this.
I have no gcc 4.4.x lying around, so I fabricated the assembly files by:
- commenting out some .cfi directives to break the epilogue unwind info, and
- hand-editing the producer info to 4.4.7 to activate the fix.
Tested on x86_64-linux, target boards unix/{-m64,-m32}.
Tom de Vries [Thu, 26 Jan 2023 09:09:44 +0000 (10:09 +0100)]
[gdb/testsuite] Add and use is_x86_64_m64_target
Add new proc is_x86_64_m64_target and use it where appropriate.
Tested on x86_64-linux.
GDB Administrator [Thu, 26 Jan 2023 00:00:11 +0000 (00:00 +0000)]
Automatic date update in version.in
Mark Harmstone [Wed, 25 Jan 2023 01:20:24 +0000 (01:20 +0000)]
ld/testsuite: Add missing targets to PDB tests
Mark Harmstone [Mon, 23 Jan 2023 23:01:54 +0000 (23:01 +0000)]
ld: Add pdb support to aarch64-w64-mingw32
This extends PDB support to the aarch64 PE targets.
The changes to the test files are just to make it so they can be assembled as
either x86, x86_64, or aarch64, mainly by changing the comment style.
The only actual code change here is in adding the architecture constants
to pdb.c.
Torbjörn SVENSSON [Thu, 17 Nov 2022 11:18:20 +0000 (12:18 +0100)]
gdb/arm: Use new dwarf2 function cache
This patch resolves the performance issue reported in pr/29738 by
caching the values for the stack pointers for the inner frame. By
doing so, the impact can be reduced to checking the state and
returning the appropriate value.
Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
Signed-off-by: Yvan Roux <yvan.roux@foss.st.com>
Torbjörn SVENSSON [Thu, 17 Nov 2022 11:17:53 +0000 (12:17 +0100)]
gdb: dwarf2 generic implementation for caching function data
When there is no dwarf2 data for a register, a function can be called
to provide the value of this register. In some situations, it might
not be trivial to determine the value to return and it would cause a
performance bottleneck to do the computation each time.
This patch allows the called function to have a "cache" object that it
can use to store some metadata between calls to reduce the performance
impact of the complex logic.
The cache object is unique for each function and frame, so if there are
more than one function pointer stored in the dwarf2_frame_cache->reg
array, then the appropriate pointer will be supplied (the type is not
known by the dwarf2 implementation).
dwarf2_frame_get_fn_data can be used to retrieve the function unique
cache object.
dwarf2_frame_allocate_fn_data can be used to allocate and retrieve the
function unique cache object.
Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
Signed-off-by: Yvan Roux <yvan.roux@foss.st.com>
Tom Tromey [Wed, 25 Jan 2023 15:04:39 +0000 (08:04 -0700)]
Clean up unusual code in mi-cmd-stack.c
I noticed some unusual code in mi-cmd-stack.c. This code is a switch,
where one of the cases appears in the middle of another block. It
seemed cleaner to me to have the earlier case just conditionally fall
through.
H.J. Lu [Wed, 25 Jan 2023 16:57:57 +0000 (08:57 -0800)]
i386: Pass -Wl,--no-as-needed to compiler as needed
Pass -Wl,--no-as-needed to linker tests to fix
FAIL: Run pr19031
FAIL: Run got1
FAIL: Undefined weak symbol (-fPIE -no-pie)
FAIL: Undefined weak symbol (-fPIE -pie)
when --as-needed is passed to linker by compiler.
PR ld/30050
* testsuite/ld-i386/i386.exp: Pass -Wl,--no-as-needed to compiler
as needed.