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This was reported by Bernhard Wodok, along with a patch to fix the
issue. I adjusted the patch a bit, and I'm submitting the patch on
his behalf.
According to Bernhard, the issue can be reproduced by doing:
1. start gdb
2. enter 'target remote :2345'
3. observe that it throws a "connection refused" error immediately
instead of waiting and throwing a timeout error
I.e., I believe it can be reproduced by our current tests, which is
why I'm not proposing any extra tests here (well, I don't use nor have
any Windows system to test this, so...).
The problem happens because, on ser-tcp:wait_for_connect, we call
'gdb_select' passing 0 as its first argument, which, when using MinGW,
ends up using the 'gdb_select' version from mingw-hdep.c, and when the
first argument is 0 this means that WaitForMultipleObjects will be
called with 0 as its first argument as well. According to the MS API
docs, this is forbidden:
https://docs.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitformultipleobjects
The proposed fix is simple: we just call Sleep when N == 0 (and when
TIMEOUT is non-NULL), and return 0. It makes sense to me.
Both Bernhard and Paul Carroll confirmed that the fix works. I'm
Cc'ing Bernhard in case you have any questions about the patch.
OK?
gdb/ChangeLog:
2019-08-29 Bernhard Wodok <barto@gmx.net>
Sergio Durigan Junior <sergiodj@redhat.com>
PR win32/24284
* mingw-hdep.c (gdb_select): Handle case when 'n' is zero.
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The gdb.fortran/info-types.exp test-case passes with gcc 7 (though not on
openSUSE, due to the extra debug info) and fails with gcc 4.8 and gcc 8.
Fix the gdb_test regexp to fix all those cases.
gdb/testsuite/ChangeLog:
2019-08-29 Tom de Vries <tdevries@suse.de>
* gdb.fortran/info-types.exp: Fix gdb_test regexp to allow more
diverse debug info.
* lib/fortran.exp (fortran_int8): New proc, based on fortran_int4.
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On openSUSE Leap 15.1, I get:
...
FAIL: gdb.base/info-var.exp: info variables
FAIL: gdb.base/info-var.exp: info variables -n
...
because the info variables command prints info also for init.c:
...
File init.c:^M
24: const int _IO_stdin_used;^M
...
while the regexps in the test-case only expect info for info-var-f1.c and
info-var-f2.c.
Fix this by extending the regexps.
Tested on x86_64-linux, both openSUSE Leap 15.1 and Fedora 30.
gdb/testsuite/ChangeLog:
2019-08-28 Tom de Vries <tdevries@suse.de>
* gdb.base/info-var.exp: Allow info variables to print info for files
other than info-var-f1.c and info-var-f2.c.
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Currently the 'info types' command will return symbols that correspond
to Fortran modules. This is because the symbols are created with
domain MODULE_DOMAIN and address_class LOC_TYPEDEF. The address_class
LOC_TYPEDEF is the same address_class used for type symbols which is
why the modules show up when listing types.
This commit explicitly prevents symbols in the MODULE_DOMAIN from
appearing when we search for symbols in the TYPES_DOMAIN, this
prevents the Fortran module symbols from appearing in the output of
'info types'.
gdb/ChangeLog:
* symtab.c (search_symbols): Don't include MODULE_DOMAIN symbols
when searching for types.
gdb/testsuite/ChangeLog:
* gdb.fortran/info-types.exp: Add module.
* gdb.fortran/info-types.f90: Update expected results.
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Implement an la_print_typedef method for Fortran, this allows 'info
types' to work for Fortran. The implementation is just copied from
ada_print_typedef (with the appropriate changes).
To support the testing of this patch I added a new proc,
fortran_character1, to lib/fortran.exp which returns a regexp to match
a 1-byte character type. The regexp returned is correct for current
versions of gFortran. All of the other regexp are guesses based on
all of the other support procs in lib/fortran.exp, I haven't tested
them myself.
gdb/ChangeLog:
* f-lang.c (f_language_defn): Use f_print_typedef.
* f-lang.h (f_print_typedef): Declare.
* f-typeprint.c (f_print_typedef): Define.
gdb/testsuite/ChangeLog:
* gdb.fortran/info-types.exp: New file.
* gdb.fortran/info-types.f90: New file.
* lib/fortran.exp (fortran_character1): New proc.
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../../gdb/nat/linux-namespaces.c: In function ‘void mnsh_main(int)’:
../../gdb/nat/linux-namespaces.c:604:8: warning: ‘fd’ may be used uninitialized in this function [-Wmaybe-uninitialized]
close (fd);
~~~~~~^~~~
And the warning is correct -- mnsh_recv_message can return -1 and leave fd
uninitialized, and mnsh_main will still call close (fd) if that happens.
Initialize fd to -1 to avoid that.
gdb/ChangeLog:
2019-08-27 Christian Biesinger <cbiesinger@google.com>
* nat/linux-namespaces.c (mnsh_main): Initialize fd (to -1).
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The 'info variables', its alias 'whereis', and 'info functions' all
include non-debug symbols in the output by default. The list of
non-debug symbols can sometimes be quite long, resulting in the
debug symbol based results being scrolled off the screen.
This commit adds a '-n' flag to all of the commands listed above that
excludes the non-debug symbols from the results, leaving just the
debug symbol based results.
gdb/ChangeLog:
* cli/cli-utils.c (info_print_options_defs): Delete.
(make_info_print_options_def_group): Delete.
(extract_info_print_options): Delete.
(info_print_command_completer): Delete.
(info_print_args_help): Add extra parameter, and optionally
include text about -n flag.
* cli/cli-utils.h (struct info_print_options): Delete.
(extract_info_print_options): Delete declaration.
(info_print_command_completer): Delete declaration.
(info_print_args_help): Add extra parameter, extend header
comment.
* python/python.c (gdbpy_rbreak): Pass additional parameter to
search_symbols.
* stack.c (struct info_print_options): New type.
(info_print_options_defs): New file scoped variable.
(make_info_print_options_def_group): New static function.
(info_print_command_completer): New static function.
(info_locals_command): Update to use new local functions.
(info_args_command): Likewise.
(_initialize_stack): Add extra parameter to calls to
info_print_args_help.
* symtab.c (search_symbols): Add extra parameter, use this to
possibly excluse non-debug symbols.
(symtab_symbol_info): Add extra parameter, which is passed on to
search_symbols.
(struct info_print_options): New type.
(info_print_options_defs): New file scoped variable.
(make_info_print_options_def_group): New static function.
(info_print_command_completer): New static function.
(info_variables_command): Update to use local functions, and pass
extra parameter through to symtab_symbol_info.
(info_functions_command): Likewise.
(info_types_command): Pass additional argument through to
symtab_symbol_info.
(rbreak_command): Pass extra argument to search_symbols.
(_initialize_symtab): Add extra arguments for calls to
info_print_args_help, and update help text for 'info variables',
'whereis', and 'info functions' commands.
* symtab.h (search_symbols): Add extra argument to declaration.
* NEWS: Mention new flags.
gdb/doc/ChangeLog:
* gdb.texinfo (Symbols): Add information about the -n flag to
"info variables" and "info functions".
gdb/testsuite/ChangeLog:
* gdb.base/info-fun.exp: Extend to test the -n flag for 'info
functions'. Reindent as needed.
* gdb.base/info-var-f1.c: New file.
* gdb.base/info-var-f2.c: New file.
* gdb.base/info-var.exp: New file.
* gdb.base/info-var.h: New file.
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The two functions are extremely similar; this factors out their code into
a shared _internal function.
gdb/ChangeLog:
2019-08-26 Christian Biesinger <cbiesinger@google.com>
* symtab.c (lookup_static_symbol): Call the new function (and move
it down to be next to lookup_global_symbol).
(struct global_sym_lookup_data): Add block_enum member and rename to...
(struct global_or_static_sym_lookup_data): ...this.
(lookup_symbol_global_iterator_cb): Pass block_index instead of
GLOBAL_BLOCK to lookup_symbol_in_objfile and rename to...
(lookup_symbol_global_or_static_iterator_cb): ...this.
(lookup_global_or_static_symbol): New function.
(lookup_global_symbol): Call new function.
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When using catch catch/rethrow/catch, a libstdcxx with SDT probes is required
for both the regexp argument, and the convenience variable $_exception (
https://sourceware.org/gdb/current/onlinedocs/gdb/Set-Catchpoints.html ).
Currently, when using these features with a libstdcxx without SDT probes, we
get the cryptic error message:
...
not stopped at a C++ exception catchpoint
...
Improve this by instead emitting the more helpful:
...
did not find exception probe (does libstdcxx have SDT probes?)
...
Tested on x86_64-linux.
gdb/ChangeLog:
2019-08-26 Tom de Vries <tdevries@suse.de>
PR c++/24852
* break-catch-throw.c (fetch_probe_arguments): Improve error mesage
when pc_probe.prob == NULL.
gdb/testsuite/ChangeLog:
2019-08-26 Tom de Vries <tdevries@suse.de>
PR c++/24852
* gdb.cp/no-libstdcxx-probe.exp: New test.
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The tcl proc skip_libstdcxx_probe_tests currently returns 0 if the probe tests
need to be skipped, while tcl interprets 0 as false rather than true, which is
confusing.
Fix this by making skip_libstdcxx_probe_tests return 1 if the probe tests need
to be skipped.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-08-26 Tom de Vries <tdevries@suse.de>
* lib/gdb.exp (skip_libstdcxx_probe_tests_prompt): Return 1 if probe
* tests need to be skipped.
* gdb.cp/exceptprint.exp: Update call to skip_libstdcxx_probe_tests.
* gdb.mi/mi-catch-cpp-exceptions.exp: Update call to
mi_skip_libstdcxx_probe_tests.
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"SyntaxWarning: invalid escape sequence")
The way unrecognized escape sequences are handled has changed in
Python 3.8: users now see a SyntaxWarning message, which will
eventually become a SyntaxError in future versions of Python:
(gdb) source /blabla/gdb.python/py-xmethods/py-xmethods.py
/blabla/gdb.python/py-xmethods/py-xmethods.py:204: SyntaxWarning: invalid escape seque
nce \+
'operator\+',
/blabla/gdb.python/py-xmethods/py-xmethods.py:211: SyntaxWarning: invalid escape seque
nce \+
'operator\+\+',
One of our testcases, gdb.python/py-xmethods.exp, contains strings in
the form of "operator\+". This is not recognized by Python, but is
still needed by the testsuite to work properly. The solution is
simple: we just have to make sure these strings are marked as
raw (i.e, r""). This is what this patch does. I took the opportunity
to also convert other strings to raw, which, in two cases, allowed the
removal of an extra backslash.
I tested this using Python 3.7 and Python 3.8, and everything works
fine.
I think I could push this as obvious, but decided to send it to
gdb-patches just in case.
gdb/testsuite/ChangeLog:
2019-08-26 Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.python/py-xmethods.exp: Use raw strings when passing
arguments to SimpleXMethodMatcher.
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gcc 4.8 (and probably other versions too) doesn't like that the local
variable symbol_linkage has the same name as the enum class defined in
the same context:
CXX dwarf2read.o
/home/smarchi/src/binutils-gdb/gdb/dwarf2read.c: In member function ‘dwarf2_per_cu_data* dw2_debug_names_iterator::next()’:
/home/smarchi/src/binutils-gdb/gdb/dwarf2read.c:5850:22: error: ‘symbol_linkage’ is not a class, namespace, or enumeration
} symbol_linkage = symbol_linkage::unknown;
^
Rename the local variable to avoid this.
This problem was originally reported with the Netbsd builder on the
buildbot, which uses gcc 5.5, I believe. I am not able to test it on
that builder right now, but chances are that the fix will work there
too.
gdb/ChangeLog:
* dwarf2read.c (dw2_debug_names_iterator::next): Rename local
variable symbol_linkage to symbol_linkage_.
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gdb::optional<bool> is dangerous, because it's easy to do:
if (opt_bool)
when you actually meant
if (*opt_bool)
or vice-versa. The first checks if the optional is set, the second
checks if the wrapped bool is true.
Replace it with an enum that explicitly defines the three possible
states.
gdb/ChangeLog:
* dwarf2read.c (dw2_debug_names_iterator::next): Use enum to
represent whether the symbol is static, dynamic, or we don't
know.
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gdb/ChangeLog
2019-08-25 Yoshinori Sato <ysato@users.sourceforge.jp>
* gdb/rx-tdep.c (rx_register_names): New.
(rx_register_name): Delete.
(rx_psw_type): Delete.
(rx_fpsw_type): Delete.
(rx_register_type): Delete.
(rx_gdbarch_init): Convert target-descriptions.
(_initialize_rx_tdep): Add initialize_tdesc_rx.
* gdb/features/Makefile: Add rx.xml.
* gdb/features/rx.xml: New.
* gdb/features/rx.c: Generated.
* gdb/NEWS: Mention target description support.
gdb/doc/ChangeLog:
2019-08-25 Yoshinori Sato <ysato@users.sourceforge.jp>
* gdb.texinfo (Standard Target Features): Add RX Features sub-section.
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My compiler (g++ 8.2) can't tell that *bsc_ptr and *slot_ptr are
only used in the cases when it does get initialized. Just initialize
the vars earlier to avoid the warning, there does not seem to be a
downside to it.
../../gdb/symtab.c: In function ‘block_symbol lookup_static_symbol(const char*, domain_enum)’:
../../gdb/symtab.c:1366:11: warning: ‘slot’ may be used uninitialized in this function [-Wmaybe-uninitialized]
xfree (slot->value.not_found.name);
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../gdb/symtab.c:2578:29: note: ‘slot’ was declared here
struct symbol_cache_slot *slot;
^~~~
../../gdb/symtab.c:1405:3: warning: ‘bsc’ may be used uninitialized in this function [-Wmaybe-uninitialized]
if (bsc == NULL)
^~
../../gdb/symtab.c:2577:30: note: ‘bsc’ was declared here
struct block_symbol_cache *bsc;
^~~
../../gdb/symtab.c: In function ‘block_symbol lookup_global_symbol(const char*, const block*, domain_enum)’:
../../gdb/symtab.c:1366:11: warning: ‘slot’ may be used uninitialized in this function [-Wmaybe-uninitialized]
xfree (slot->value.not_found.name);
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../gdb/symtab.c:2658:29: note: ‘slot’ was declared here
struct symbol_cache_slot *slot;
^~~~
../../gdb/symtab.c:1409:14: warning: ‘bsc’ may be used uninitialized in this function [-Wmaybe-uninitialized]
++bsc->collisions;
~~~~~^~~~~~~~~~
../../gdb/symtab.c:2657:30: note: ‘bsc’ was declared here
struct block_symbol_cache *bsc;
^~~
gdb/ChangeLog:
2019-08-22 Christian Biesinger <cbiesinger@google.com>
* symtab.c (symbol_cache_lookup): Always initialize *bsc_ptr and *slot_ptr.
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I need to use 'gdb_dlopen' inside 'gdbsupport/', but it's not yet
supported there. This commit moves 'gdb-dlfcn.[ch]' to 'gdbsupport/',
which makes it available also on gdbserver.
gdb/ChangeLog:
2019-08-23 Sergio Durigan Junior <sergiodj@redhat.com>
* configure.ac: Don't check for 'dlfcn.h' (moved to
gdbsupport/common.m4).
* Makefile.in (COMMON_SFILES): Move 'gdb-dlfcn.c' to
'gdbsupport/'.
(HFILES_NO_SRCDIR): Likewise, for 'gdb-dlfcn.h'.
* compile/compile-c-support.c: Include
'gdbsupport/gdb-dlfcn.h'.
* gdbsupport/common.m4: Check for 'dlfcn.h'.
* gdb-dlfcn.c: Move to...
* gdbsupport/gdb-dlfcn.c: ... here.
* gdb-dlfcn.h: Move to...
* gdbsupport/gdb-dlfcn.h: ... here.
gdb/gdbserver/ChangeLog:
2019-08-23 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile.in (SFILES): Add 'gdbsupport/gdb-dlfcn.c'.
(OBS): Add 'gdbsupport/gdb-dlfcn.o'.
* config.in: Regenerate.
* configure: Regenerate.
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The nios2 prologue analyzer was mistakenly using an unsigned int field
to represent a 32-bit signed value. This caused problems with an
incorrect conversion being applied to negative values when they were
automatically promoted for addition to a 64-bit CORE_ADDR value.
This patch fixes test failures in gdb.base/large-frame.exp and
gdb.dwarf2/dw2-ref-missing-frame.exp. Normally the nios2 backend
prefers to use the dwarf2 unwinder so the prologue analyzer is only
invoked if there is no dwarf2 information.
2019-08-23 Sandra Loosemore <sandra@codesourcery.com>
gdb/
* nios2-tdep.c (struct reg_value): Improve comments. Make
the offset field signed.
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PyFile_FromString and PyFile_AsFile have been removed in Python 3.
There is no obvious replacement that works here, and we can't just
pass our FILE* to a DLL in Windows because it may use a different
C runtime.
So we just call a Python function which reads and executes file
contents. Care must be taken to execute it in the context of
__main__.
Tested by inverting the ifdef and running the testsuite on Debian
Linux (even without the patch, I failed at running the testsuite
on Windows). I did test with both Python 2 and 3.
gdb/ChangeLog:
2019-08-22 Christian Biesinger <cbiesinger@google.com>
* python/lib/gdb/__init__.py (_execute_file): New function.
* python/python.c (python_run_simple_file): Call gdb._execute_file
on Windows.
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multi-term-settings.exp
This racy fail message, reported in PR24929:
...
FAIL: gdb.multi/multi-term-settings.exp: inf1_how=attach: inf2_how=attach: \
stop with control-c
...
does not make clear which gdb_test fails here:
...
if {$expect_ttou} {
gdb_test "" "Quit" "stop with control-c"
} else {
gdb_test "" "received signal SIGINT.*" "stop with control-c"
}
...
Fix this by making the gdb_test message argument more informative.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-08-22 Tom de Vries <tdevries@suse.de>
* gdb.multi/multi-term-settings.exp (coretest): Make gdb_test messages
more informative.
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The Fortran parser contains some code that looks like it was probably
inherited from the C/C++ parser as it checks to see if the current
language is C++, which should never be true when we're in the Fortran
parser.
gdb/ChangeLog:
* f-exp.y (yylex): Remove is_a_field_of_this local variable, and
all uses as this was never set to anything but a zero value.
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Running 'with' without arguments crashes GDB. This fixes it.
gdb/ChangeLog:
2019-08-21 Bogdan Harjoc <harjoc@gmail.com>
* cli/cli-cmds.c (with_command_1): Error out if no arguments.
gdb/testsuite/ChangeLog:
2019-08-21 Pedro Alves <palves@redhat.com>
* gdb.base/with.exp: Test "with" with no arguments.
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gdb/ChangeLog:
2019-08-21 Christian Biesinger <cbiesinger@google.com>
* tui/tui-data.h (tui_gen_win_info): Add an =default
move constructor, required by some GCC versions.
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Chengdu Haiguang IC Design Co., Ltd (Hygon) is a Joint Venture between
AMD and Haiguang Information Technology Co.,Ltd., which aims at
providing high performance x86 processors for the China server market.
Its first generation processor codename is Dhyana, which originates
from AMD technology and shares most of the architecture with AMD's
family 17h, but with different CPU Vendor ID("HygonGenuine")/Family
series number(Family 18h).
gdb/ChangeLog:
2019-08-21 Jinke Fan <fanjinke51@yeah.net>
* go32-nat.c (go32_sysinfo): Add hygon_p.
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The test-case gdb-caching-proc.exp tests each gdb_caching_proc in
gdb/testsuite/lib/*.exp. However, the order of .exp file being tested can
change from run to run, because of using glob.
Fix this by sorting the glob result.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-08-21 Tom de Vries <tdevries@suse.de>
* gdb.base/gdb-caching-proc.exp: Sort files.
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Turning various calls into methods has made it possible to now change
some tui_data_window methods to be private.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.h (struct tui_data_window) <last_regs_line_no,
line_from_reg_element_no, first_reg_element_no_inline,
display_all_data, delete_data_content_windows,
erase_data_content>: Now private.
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This removes the HILITE and NO_HILITE defines from tui-data.h, in
favor of simply passing a bool to box_win.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-wingeneral.c (box_win): Change type of highlight_flag.
(tui_unhighlight_win, tui_highlight_win)
(tui_win_info::make_window): Update.
* tui/tui-data.h (HILITE, NO_HILITE): Remove.
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Some #defines in tui-data.h are only used in tui-stack.c, so move them
there.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-data.h (PROC_PREFIX, LINE_PREFIX, PC_PREFIX)
(MIN_LINE_WIDTH, MIN_PROC_WIDTH, MAX_TARGET_WIDTH)
(MAX_PID_WIDTH): Move to tui-stack.c.
* tui/tui-stack.c (PROC_PREFIX, LINE_PREFIX, PC_PREFIX)
(MIN_LINE_WIDTH, MIN_PROC_WIDTH, MAX_TARGET_WIDTH)
(MAX_PID_WIDTH): Move from tui-data.h.
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I combined several small changes into one patch here. I believe I
started by noticing that the "title" is not needed by tui_gen_win_info
and could be self-managing (i.e. std::string). Moving this revealed
that "can_box" is also a property of tui_win_info and not
tui_gen_win_info; and this in turn caused the changes to
tui_make_window and box_win.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-wingeneral.h (tui_make_window): Don't declare.
* tui/tui-wingeneral.c (box_win): Change type of win_info.
(box_win): Update.
(tui_gen_win_info::make_window): Rename from tui_make_window.
(tui_win_info::make_window): New method.
(tui_gen_win_info::make_visible): Update.
* tui/tui-source.c (tui_source_window::set_contents): Update.
* tui/tui-regs.c (tui_data_window::show_register_group): Update.
(tui_data_window::display_registers_from): Update.
* tui/tui-layout.c (tui_gen_win_info::resize): Update.
* tui/tui-data.h (struct tui_gen_win_info) <make_window>:
Declare.
<can_box>: Remove.
<title>: Remove.
(struct tui_win_info) <make_window>: Declare.
<can_box>: Now virtual.
<title>: New member.
* tui/tui-data.c (~tui_gen_win_info): Don't free title.
* tui/tui-command.c (tui_cmd_window::resize): Update.
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There's no need for tui_data_window::display_regs any more (if there
ever was). All the paths through data window construction will end up
setting this to true. This patch removes the member.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.h (struct tui_data_window) <display_regs>: Remove.
* tui/tui-regs.c (tui_data_window::show_registers): Update.
(tui_data_window::check_register_values): Update.
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tui_data_window::regs_content is currently a vector of unique_ptr.
However, due to the way this is managed now, there is no need to keep
the pointers -- it can simply be a vector of the objects themselves.
This patch removes this extra layer of indirection.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.h (struct tui_data_window): Use
DISABLE_COPY_AND_ASSIGN.
<regs_content>: Change type, removing unique_ptr.
<tui_data_window>: Add move constructor.
* tui/tui-regs.c (tui_data_window::show_registers)
(tui_data_window::show_register_group)
(tui_data_window::display_registers_from)
(tui_data_window::display_registers_from)
(tui_data_window::first_data_item_displayed)
(tui_data_window::delete_data_content_windows)
(tui_data_window::rerender, tui_data_window::refresh_window)
(tui_data_window::check_register_values): Update.
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This changes tui_show_registers and tui_show_register_group to be
methods on tui_data_window.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.h (struct tui_data_window) <show_registers,
show_register_group>: Declare.
(tui_show_register_group): Don't declare.
* tui/tui-regs.c (tui_data_window::show_registers): Rename from
tui_show_registers.
(tui_data_window::show_register_group): Rename from
tui_show_register_group.
(tui_data_window::check_register_values, tui_reg_command):
Update.
* tui/tui-layout.c (tui_set_layout): Update.
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|
This changes tui_check_register_values to be a method on
tui_data_window. An additional check in tui_register_changed is
needed, because TUI_DATA_WIN could be NULL at this point.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.h (struct tui_data_window) <check_register_values>:
Declare.
(tui_check_register_values): Don't declare.
* tui/tui-regs.c (tui_data_window::check_register_values): Rename
from tui_check_register_values.
* tui/tui-hooks.c (tui_register_changed): Update.
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This moves tui_reg_layout later in tui-regs.c, closer to where it is
used.
It also changes tui_show_registers not to enable the TUI or change the
layout -- this is already done by this point by all the callers.
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.c (tui_reg_layout): Move later.
(tui_show_registers): Don't enable TUI mode or change layout.
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This changes tui_data_item_window::content to be a unique_xmalloc_ptr
and fixes up the fallout. It also removes a parameter from
tui_expand_tabs, as it was only ever given one value.
This also removes some tab-handling code from
tui_data_window::display_registers_from. Because the content can only
be set by tui_register_format, and because that calls tui_expand_tabs,
it's not possible to see a tab here.
gdb/ChangeLog
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.h (struct tui_data_item_window)
<~tui_data_item_window>: Remove.
<content>: Now a unique_xmalloc_ptr.
* tui/tui-regs.c (tui_register_format): Return a
unique_xmalloc_ptr.
(tui_get_register): Update.
(~tui_data_item_window): Remove.
(tui_data_window::display_registers_from, tui_display_register):
Update.
* tui/tui-io.h (tui_expand_tabs): Update.
* tui/tui-io.c (tui_expand_tabs): Return a unique_xmalloc_ptr.
Remove "col" parameter.
|
|
The field tui_data_item_window::value is not used, so remove it.
gdb/ChangeLog
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.h (struct tui_data_item_window) <value>: Remove
field.
* tui/tui-regs.c (~tui_data_item_window): Update.
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This moves a couple of functions earlier in tui-regs.c. Previously
they were in the "command" section of the file, but really they belong
in the "window implementation" section.
gdb/ChangeLog
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.c (tui_register_format, tui_get_register): Move
earlier.
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tui_reg_command has an unnecessary NULL check. The preceding call to
tui_reg_layout will ensure the window exists. This patch removes the
check.
gdb/ChangeLog
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-regs.c (tui_reg_command): Remove NULL check.
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The TUI has a few #defines that hold user-visible strings. As these
are only used in a single spot, this patch removes the defines,
preferring direct use of the string where needed. Furthermore, now
the strings are wrapped in _(), which is friendlier for i18n purposes.
gdb/ChangeLog
2019-08-20 Tom Tromey <tom@tromey.com>
* tui/tui-source.h (struct tui_source_window): Update.
* tui/tui-regs.c (tui_show_registers): Update.
* tui/tui-disasm.h (struct tui_disasm_window): Update.
* tui/tui-data.h (NO_SRC_STRING, NO_DISASSEM_STRING)
(NO_REGS_STRING): Remove defines.
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When running a pascal test with the stabs target board:
...
$ test=gdb.pascal/case-insensitive-symbols.exp
$ cd build/gdb/testsuite
$ make check RUNTESTFLAGS="$test --target_board=stabs"
...
we get:
...
nr of untested testcases 1
nr of unsupported tests 1
...
due to:
...
Error: Illegal parameter: -gstabs+^M
Error: /usr/bin/ppcx64 returned an error exitcode^M
...
OTOH, when running the same pascal test without the stabs target board:
...
$ make check RUNTESTFLAGS="$test"
...
we get:
...
nr of expected passes 20
...
But when subsequently again running with the stabs target board:
...
$ make check RUNTESTFLAGS="$test --target_board=stabs"
...
we now get:
...
nr of expected passes 20
...
The problem is that gdb_compile_pascal determines success based on existence
of the exec after compilation:
...
if ![file exists $destfile] {
unsupported "Pascal compilation failed: $result"
return "Pascal compilation failed."
}
...
without removing the exec before compilation, which allows a stale exec to
make it seem as if compilation has succeeded.
Fix this by removing the stale exec before compilation.
gdb/testsuite/ChangeLog:
2019-08-20 Tom de Vries <tdevries@suse.de>
* lib/pascal.exp (gdb_compile_pascal): Remove $destfile before
compilation.
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For remotes which do not support btrace at all, we can save several
round trips for each thread. This is especially significant when your
remote is a kernel with 100s or 1000s of threads and latency is
intercontinental.
Previously, with target, remote, and infrun debugging enabled, one
might see:
Sending packet: $Hg18aee#43...Ack
Packet received: OK
Sending packet: $Hg186f7#eb...Ack
Packet received: OK
remote:target_xfer_partial (24, , 0x805454000, 0x0, 0x0, 4096) = -1, 0
repeated for all non-exited threads.
Afterwards, if the remote does not specify 'qXfer:btrace-conf:read+'
in qSupported stub features, these unnecessary thread switches are
avoided.
gdb/ChangeLog:
* remote.c (remote_target::remote_btrace_maybe_reopen): Avoid
unnecessary thread walk if remote doesn't support the packet.
|
|
value_has_field had a mis-indented line. This fixes it.
gdb/ChangeLog
2019-08-19 Tom Tromey <tromey@adacore.com>
* python/py-value.c (value_has_field): Fix indentation.
|
|
Sergio pointed out that commit commit aa3b6533 ("Allow nested function
displays") regressed a few gdb.fortran tests. I was able to reproduce
these failures with gcc head.
The bug is that some spots calling contained_in will in fact do the
wrong thing if nested functions are considered as contained. In the
particular case of the Fortran regression, it was the call in
block_innermost_frame, being called from get_hosting_frame -- in this
case, the caller is specifically trying to avoid the nested case.
This patch fixes the problem by adding an "allow_nested" parameter to
contained_in, essentially reverting the change for most callers.
gdb/ChangeLog
2019-08-19 Tom Tromey <tromey@adacore.com>
* printcmd.c (do_one_display, info_display_command): Update.
* block.h (contained_in): Return bool. Add allow_nested
parameter.
* block.c (contained_in): Return bool. Add allow_nested
parameter.
|
|
Currently, no release of GNU Source Highlight supports Rust. However,
I've checked in a patch to do so there, and I plan to make a new
release sometime this summer.
This patch prepares gdb for that by adding support for Rust to the
source highlighting code.
Because Source Highlight will throw an exception if the language is
unrecognized, this also changes gdb to ignore exceptions here. This
will cause gdb to fall back to un-highlighted source text.
This updates gdb's configure script to reject the combination of
Source Highlight and -static-libstdc++. This is done because it's not
possible to use -static-libstdc++ and then catch exceptions from a
shared library.
Tested with the current and development versions of Source Highlight.
gdb/ChangeLog
2019-08-19 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
* configure.ac: Disallow the combination of -static-libstdc++ and
source highlight.
* source-cache.c (get_language_name): Handle rust.
(source_cache::get_source_lines): Ignore highlighting exceptions.
|
|
When running gdb.base/compare-sections.exp with target board -fPIE/-pie, we
get:
...
FAIL: gdb.base/compare-sections.exp: after run to main: compare-sections -r
...
The test expects the read-only sections to have the same contents as in the
file:
...
# Assume startup code doesn't change read-only sections.
compare_sections "-r"
...
but that's not the case for PIE executables.
Fix this by allowing mismatched read-only sections for PIE executables.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-08-16 Tom de Vries <tdevries@suse.de>
* gdb.base/compare-sections.exp ("after run to main"): Allow
mismatched read-only sections for PIE executables.
|
|
The TUI execution info window is unusual in that it is always linked
to a source or disassembly window. Even updates of its content are
handled by the source window, so it really has no life of its own.
This patch removes this window entirely and puts its functionality
directly into the source window. This simplifies the code somewhat.
This is a user-visible change, because now the box around the source
(or disassembly) window encloses the execution info as well. I
consider this an improvement as well, though.
Note that this patch caused ncurses to start emitting the "CSI Z"
sequence, so I've added this to the test suite terminal
implementation.
gdb/ChangeLog
2019-08-16 Tom Tromey <tom@tromey.com>
* tui/tui.h (enum tui_win_type) <EXEC_INFO_WIN>: Remove.
* tui/tui-winsource.h (struct tui_exec_info_window): Remove.
(struct tui_source_window_base) <make_visible, refresh_window,
resize>: Remove methods.
<execution_info>: Remove field.
* tui/tui-winsource.c (tui_source_window_base::do_erase_source_content)
(tui_show_source_line, tui_source_window_base)
(~tui_source_window_base): Update.
(tui_source_window_base::resize)
(tui_source_window_base::make_visible)
(tui_source_window_base::refresh_window): Remove.
(tui_source_window_base::update_exec_info): Update.
* tui/tui-source.c (tui_source_window::set_contents): Update.
* tui/tui-disasm.c (tui_disasm_window::set_contents): Update.
gdb/testsuite/ChangeLog
2019-08-16 Tom Tromey <tom@tromey.com>
* lib/tuiterm.exp (_csi_Z): New proc.
* gdb.tui/basic.exp: Update window positions.
* gdb.tui/empty.exp: Update window positions.
|
|
tui_remove_hooks clears deprecated_query_hook, but nothing in the TUI
ever sets it; so remove the assignment.
gdb/ChangeLog
2019-08-16 Tom Tromey <tom@tromey.com>
* tui/tui-hooks.c (tui_remove_hooks): Don't set
deprecated_query_hook.
|
|
This changes tui_show_symtab_source to be a method on
tui_source_window.
gdb/ChangeLog
2019-08-16 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.c (tui_update_source_windows_with_addr)
(tui_update_source_windows_with_line): Update.
* tui/tui-source.h (struct tui_source_window)
<show_symtab_source>: Declare.
(tui_show_symtab_source): Don't declare.
* tui/tui-source.c (tui_show_symtab_source): Rename from
tui_show_symtab_source.
|
|
This introduces the tui_source_window_base::set_contents method and
implements it in the subclasses. This removes a check of the window
type.
gdb/ChangeLog
2019-08-16 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.h (struct tui_source_window_base)
<set_contents>: Declare.
* tui/tui-winsource.c
(tui_source_window_base::update_source_window_as_is): Update.
* tui/tui-source.h (struct tui_source_window) <set_contents>:
Declare.
(tui_set_source_content): Don't declare.
* tui/tui-source.c (tui_source_window::set_contents): Rename from
tui_set_source_content.
* tui/tui-disasm.h (struct tui_disasm_window) <set_contents>:
Declare.
(tui_set_disassem_content): Don't declare.
* tui/tui-disasm.c (tui_disasm_window::set_contents): Rename from
tui_set_disassem_content.
|
|
This changes tui_update_breakpoint_info to be a method on
tui_source_window_base.
gdb/ChangeLog
2019-08-16 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.h (struct tui_source_window_base)
<update_breakpoint_info>: Declare.
(tui_update_breakpoint_info): Don't declare.
* tui/tui-winsource.c (tui_source_window_base::update_source_window_as_is)
(tui_update_all_breakpoint_info): Update.
(tui_source_window_base::update_breakpoint_info): Rename from
tui_update_breakpoint_info.
(tui_source_window_base::update_exec_info): Update.
|
|
This changes tui_update_source_window to be a method on
tui_source_window_base.
gdb/ChangeLog
2019-08-16 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.h (struct tui_source_window_base)
<update_source_window>: Declare.
(tui_update_source_window): Don't declare.
* tui/tui-winsource.c
(tui_source_window_base::update_source_window): Rename from
tui_update_source_window.
(tui_source_window_base::rerender): Update.
* tui/tui-source.c (tui_source_window::maybe_update): Update.
* tui/tui-disasm.c (tui_show_disassem)
(tui_show_disassem_and_update_source)
(tui_disasm_window::maybe_update): Update.
|
