| Age | Commit message (Collapse) | Author | Files | Lines |
|---|
|
Same idea as the previous patches, but for whether a command is a
"command class help" command. I think this one is particularly useful,
because it's not obvious when reading code what "c->func == NULL" means.
Remove the cmd_func_p function, which does kind of the same thing as
cmd_list_element::is_command_class_help (except it doesn't give a clue
about the semantic of a NULL func value).
gdb/ChangeLog:
* cli/cli-decode.h (cmd_list_element) <is_command_class_help>:
New, use it.
* command.h (cmd_func_p): Remove.
* cli/cli-decode.c (cmd_func_p): Remove.
Change-Id: I521a3e1896dc93a5babe1493d18f5eb071e1b3b7
|
|
Same idea as the previous patch, but for prefix instead of alias.
gdb/ChangeLog:
* cli/cli-decode.h (cmd_list_element) <is_prefix>: New, use it.
Change-Id: I76a9d2e82fc8d7429904424674d99ce6f9880e2b
|
|
Add the cmd_list_element::is_alias helper to check whether a command is
an alias. I find it easier to understand the intention in:
if (c->is_alias ())
than
if (c->alias_target != nullptr)
Change all the spots that are reading alias_target just to compare it to
NULL/nullptr to use is_alias instead.
gdb/ChangeLog:
* cli/cli-decode.h (cmd_list_element) <is_alias>: New, use it.
Change-Id: I26ed56f99ee47fe884fdfedf87016501631693ce
|
|
cmd_pointer is another field whose name I found really not clear. Yes,
it's a pointer to a command, the type tells me that. But what's the
relationship of that command to the current command? This field
contains, for an alias, the command that it aliases. So I think that
the name "alias_target" would be more appropriate.
Also, rename "old" parameters to "target" in the functions that add
aliases.
gdb/ChangeLog:
* cli/cli-decode.h (cmd_list_element) <cmd_pointer>: Rename
to...
<alias_target>: ... this.
(add_alias_cmd): Rename old to target.
(add_info_alias): Rename old_name to target_name.
(add_com_alias): Likewise.
Change-Id: I8db36c6dd799fae155f7acd3805f6d62d98befa9
|
|
While browsing this code, I found the name "prefixlist" really
confusing. I kept reading it as "list of prefixes". Which it isn't:
it's a list of sub-commands, for a prefix command. I think that
renaming it to "subcommands" would make things clearer.
gdb/ChangeLog:
* Rename "prefixlist" parameters to "subcommands" throughout.
* cli/cli-decode.h (cmd_list_element) <prefixlist>: Rename to...
<subcommands>: ... this.
* cli/cli-decode.c (lookup_cmd_for_prefixlist): Rename to...
(lookup_cmd_with_subcommands): ... this.
Change-Id: I150da10d03052c2420aa5b0dee41f422e2a97928
|
|
I don't think this can ever happen, that we add an alias command and
pass a nullptr old (target) command. Remove the "if" handling this,
replace with an assert.
gdb/ChangeLog:
* cli/cli-decode.c (add_alias_cmd): Don't handle old == 0.
Change-Id: Ibb39e8dc4e0c465fa42e6826215f30a0a0aef932
|
|
I don't think this method really benefits from being implemented in the
header file, especially because it's recursive, it can't be inlined.
Move it to the source file, so it's no re-compiled by every CU
including cli/cli-decode.h.
I also noticed this method could be const, make it so.
gdb/ChangeLog:
* cli/cli-decode.h (prefixname): Make const, move implementation
to cli/cli-decode.c.
* cli/cli-decode.c (cmd_list_element::prefixname): New.
Change-Id: I1597cace98d9a4ba71f51f1f495e73cc07b5dcf3
|
|
As mentioned in the test case itself, depending on the fortran compiler
used, class member names used in the print commands and also output of
these print commands varies. Existing print commands and its output are
suited for gfortran, hence they were failing with clang compiler and test
case was modified accordingly for clang compiler.
gdb/testsuite/ChangeLog:
* gdb.base/class-allocatable-array.exp: Modified test for clang.
|
|
The problems can be illustrated, with any program, below:
(gdb) print main
$1 = {main} 0x0
The return type was incorrectly set in read_func_kind_type, with
the name of the function, which leads c_type_print_base_1 to print
it. In addition, the address of a new function needs to be set with
that info in its minimal symtab entry, when the new function is added.
After the fix:
(gdb) print main
$1 = {int ()} 0x4004b7 <main>
A new test, gdb.ctf/funcreturn.exp, is added to the testsuite.
gdb/ChangeLog:
* ctfread.c (new_symbol): Set function address.
(read_func_kind_type): Remove incorrect type name setting.
Don't copy name returned from ctf_type_ame_raw throughout file.
gdb/testsuite/ChangeLog:
* gdb.ctf/funcreturn.exp: New file.
* gdb.ctf/whatis.c: Copy from gdb.base.
|
|
An upstream Rust bug notes notes that the Python pretty-printing
feature is broken for values that appear as members of certain types
in Rust.
The bug here is that some of the Rust value-printing code calls
value_print_inner, a method on rust_language. This bypasses the
common code that calls into Python.
I'm checking this in.
gdb/ChangeLog
2021-05-14 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_language::val_print_struct)
(rust_language::print_enum): Use common_val_print, not
value_print_inner.
gdb/testsuite/ChangeLog
2021-05-14 Tom Tromey <tom@tromey.com>
* gdb.rust/pp.exp: New file.
* gdb.rust/pp.py: New file.
* gdb.rust/pp.rs: New file.
|
|
After the gdb test-suite runs there are some files
left in /tmp/tmp*/*.gdb-index, remove those files
and the directory at the end of the test case.
gdb/testsuite:
2021-05-14 Bernd Edlinger <bernd.edlinger@hotmail.de>
* gdb.base/index-cache.exp: Cleanup $cache_dir/*.gdb-index and
remove the directory.
* gdb.dwarf2/per-bfd-sharing.exp: Likewise.
|
|
Define a 'connection_num' attribute for Inferior objects. The
read-only attribute is the ID of the connection of an inferior, as
printed by "info inferiors". In GDB's internal terminology, that's
the process stratum target of the inferior. If the inferior has no
target connection, the attribute is None.
gdb/ChangeLog:
2021-05-14 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* python/py-inferior.c (infpy_get_connection_num): New function.
(inferior_object_getset): Add a new element for 'connection_num'.
* NEWS: Mention the 'connection_num' attribute of Inferior objects.
gdb/doc/ChangeLog:
2021-05-14 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* python.texi (Inferiors In Python): Mention the 'connection_num'
attribute.
gdb/testsuite/ChangeLog:
2021-05-14 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdb.python/py-inferior.exp: Add test cases for 'connection_num'.
|
|
Convert a couple of local variables from int to bool. There should be
no user visible changes after this commit.
gdb/ChangeLog:
* remote.c (check_pending_events_prevent_wildcard_vcont): Change
argument type, update and re-wrap, header comment.
(remote_target::commit_resumed): Convert any_process_wildcard and
may_global_wildcard_vcont from int to bool.
|
|
The 'print max-depth' feature incorrectly causes GDB to skip printing
the string representation of pretty printed variables if the variable
is stored at a nested depth corresponding to the set max-depth value.
This change ensures that it is always printed before checking whether
the maximum print depth has been reached.
Regression tested with GCC 7.3.0 on x86_64, ppc64le, aarch64.
gdb/ChangeLog:
* cp-valprint.c (cp_print_value): Replaced duplicate code.
* guile/scm-pretty-print.c (ppscm_print_children): Check max_depth
just before printing child values.
(gdbscm_apply_val_pretty_printer): Don't check max_depth before
printing string representation.
* python/py-prettyprint.c (print_children): Check max_depth just
before printing child values.
(gdbpy_apply_val_pretty_printer): Don't check max_depth before
printing string representation.
gdb/testsuite/ChangeLog:
* gdb.python/py-format-string.c: Added a variable to test.
* gdb.python/py-format-string.exp: Check string representation is
printed at appropriate max_depth settings.
* gdb.python/py-nested-maps.exp: Likewise.
* gdb.guile/scm-pretty-print.exp: Add additional tests.
|
|
The gdb/callback.h & gdb/remote-sim.h headers have nothing to do with
gdb and are really definitions for the libsim API under the sim/ tree.
While gdb uses those headers as a client, it's not specific to it. So
create a new sim/ namespace and move the headers there.
|
|
Looks like these were copied & pasted as nothing from them are used.
|
|
I realized that with "follow-exec-mode == new", the process target
stayed pushed in the original inferior. This can cause a small
incoherence:
$ ./gdb -q -nx --data-directory=data-directory -ex "set follow-exec-mode new" --args execer args-for-execer
Reading symbols from execer...
(gdb) r
Starting program: /home/smarchi/build/binutils-gdb/gdb/execer args-for-execer
I am execer and my argv[1] is: args-for-execer
process 3562426 is executing new program: /home/smarchi/build/binutils-gdb/gdb/execee
[New inferior 2]
[New process 3562426]
I am execee and my argv[1] is: arg-for-execee
[Inferior 2 (process 3562426) exited normally]
(gdb) info inferiors
Num Description Connection Executable
1 <null> 1 (native) /home/smarchi/build/binutils-gdb/gdb/execer
* 2 <null> /home/smarchi/build/binutils-gdb/gdb/execee
(gdb) maintenance print target-stack
The current target stack is:
- exec (Local exec file)
- None (None)
(gdb) inferior 1
[Switching to inferior 1 [<null>] (/home/smarchi/build/binutils-gdb/gdb/execer)]
(gdb) maintenance print target-stack
The current target stack is:
- native (Native process)
- exec (Local exec file)
- None (None)
On exec, when execution continues into inferior 2, the native target
isn't unpushed from inferior 1. When inferior 2's execution finishes
normally, inf_child_target::mourn_inferior unpushes the native target,
because the native target has been implicitly opened.
I think that if the native target was implicitly opened, it should be
unpushed from inferior 1, just like it is unpushed from an inferior
whose execution terminate. This patch implements that.
gdb/ChangeLog:
* inf-child.h (inf_child_target) <follow_exec>: New.
* inf-child.c (inf_child_target::follow_exec): New.
Change-Id: I782cc08d73d93a990f4e53611107f68b2cb58af1
|
|
target_ops::follow_exec
On "exec", some targets need to unpush themselves from the inferior,
and do some bookkeeping, like forgetting the data associated to the
exec'ing inferior.
One such example is the thread-db target. It does so in
a special case in thread_db_target::wait, just before returning the
TARGET_WAITKIND_EXECD event to its caller.
We have another such case in the context of rocm-gdb [1], where the
"rocm" target is pushed on top of the linux-nat target. When an exec
happens, we want to unpush the rocm target from the exec'ing inferior to
close some file descriptors that refer to the pre-exec address space and
forget about that inferior. We then want to push the target on the
inferior in which execution continues, to open the file descriptors for
the post-exec address space.
I think that a good way to address this cleanly is to do all this in the
target_ops::follow_exec implementations. Make the
process_stratum_target::follow_exec implementation have the default
behavior of pushing itself to the new inferior's target stack (if
execution continues in a new inferior) and add the initial thread.
remote_target::follow_exec is an example of process target that wants to
do a bit more than the default behavior. So it calls
process_stratum_target::follow_exec first and does the extra work
second.
linux-thread-db (a non-process target) implements follow_exec to do some
bookeeping (forget about that process' data), before handing down the
event down to the process target (which hits
process_stratum_target::follow_exec).
gdb/ChangeLog:
* target.h (struct target_ops) <follow_exec>: Add ptid_t
parameter.
(target_follow_exec): Likewise.
* target.c (target_follow_exec): Add ptid_t parameter.
* infrun.c (follow_exec): Adjust call to target_follow_exec,
don't push target nor create thread.
* linux-thread-db.c (class thread_db_target) <follow_exec>: New.
(thread_db_target::wait): Just return on TARGET_WAITKIND_EXECD.
(thread_db_target::follow_exec): New.
* remote.c (class remote_target) <follow_exec>: Add ptid_t parameter.
(remote_target::follow_exec): Call
process_stratum_target::follow_exec.
* target-delegates.c: Re-generate.
Change-Id: I3f96d0ba3ea0dde6540b7e1b4d5cdb01635088c8
|
|
target_follow_exec is currently only called in the "follow-exec-mode ==
new" branch of follow_exec, not the "follow-exec-mode == same" branch.
I think it would make sense to call it regardless of the mode to let
targets do some necessary handling.
This is needed in the context of rocm-gdb [1], where a target is pushed
on top of the linux-nat target. On exec, it needs to do some
bookkeeping, close some file descriptors / handles that were related to
the process pre-exec and open some new ones for the process post-exec.
However, by looking at the only in-tree implementation of
target_ops::follow_exec, remote_target::follow_exec, I found that it
would be useful for the extended-remote target too, to align its
behavior with native debugging (although I think that behavior is not
very user-friendly, see PR 27745 [2]).
Using two programs, one (let's call it "execer") that execs the other
(let's call it "execee"), with native:
$ ./gdb -q -nx --data-directory=data-directory ./execer
Reading symbols from ./execer...
(gdb) r
Starting program: /home/simark/build/binutils-gdb/gdb/execer
I am execer
process 1495622 is executing new program: /home/simark/build/binutils-gdb/gdb/execee
I am execee
[Inferior 1 (process 1495622) exited normally]
(gdb) r
Starting program: /home/simark/build/binutils-gdb/gdb/execee
I am execee
[Inferior 1 (process 1495626) exited normally]
And now with gdbserver (some irrelevant output lines removed for brevity):
$ ./gdbserver --once --multi :1234
...
$ ./gdb -q -nx --data-directory=data-directory ./execer -ex "set remote exec-file /home/simark/build/binutils-gdb/gdb/execer" -ex "tar ext :1234"
Reading symbols from ./execer...
Remote debugging using :1234
(gdb) r
Starting program: /home/simark/build/binutils-gdb/gdb/execer
process 1495724 is executing new program: /home/simark/build/binutils-gdb/gdb/execee
[Inferior 1 (process 1495724) exited normally]
(gdb) r
`target:/home/simark/build/binutils-gdb/gdb/execee' has disappeared; keeping its symbols.
Starting program: target:/home/simark/build/binutils-gdb/gdb/execee
warning: Build ID mismatch between current exec-file target:/home/simark/build/binutils-gdb/gdb/execee
and automatically determined exec-file target:/home/simark/build/binutils-gdb/gdb/execer
exec-file-mismatch handling is currently "ask"
Reading /home/simark/build/binutils-gdb/gdb/execer from remote target...
Load new symbol table from "target:/home/simark/build/binutils-gdb/gdb/execer"? (y or n)
When handling the exec, GDB updates the exec-file of the inferior to be
the execee. This means that a subsequent "run" will run the execee, not
the original executable (execer).
remote_target::follow_exec is meant to update the "remote exec-file",
which is the file on the remote system that will be executed if you
"run" the inferior, to the execee as well. However, this is not called
when follow-exec-mode is same, because target_follow_exec is not called
in this branch. As a result, GDB thinks the inferior is executing
execee but the remote side is really executing execer, hence the
mismatch message.
By calling target_follow_exec in the "same" branch of the follow_exec
function, we ensure that everybody agrees, and we get the same behavior
with the extended-remote target as we get with the native target, the
execee is executed on the second run:
$ ./gdbserver --once --multi :1234
...
$ ./gdb -q -nx --data-directory=data-directory ./execer -ex "set remote exec-file /home/simark/build/binutils-gdb/gdb/execer" -ex "tar ext :1234"
Reading symbols from ./execer...
Remote debugging using :1234
(gdb) r
Starting program: /home/simark/build/binutils-gdb/gdb/execer
process 1501445 is executing new program: /home/simark/build/binutils-gdb/gdb/execee
[Inferior 1 (process 1501445) exited normally]
(gdb) r
`target:/home/simark/build/binutils-gdb/gdb/execee' has disappeared; keeping its symbols.
Starting program: target:/home/simark/build/binutils-gdb/gdb/execee
[Inferior 1 (process 1501447) exited normally]
(gdb)
This scenario is tested in gdb.base/foll-exec-mode.exp, and in fact this
patch fixes the test for me when using
--target_board=native-extended-gdbserver.
gdb/ChangeLog:
* infrun.c (follow_exec): Call target_follow_fork when
follow-exec-mode is same.
* target.h (target_follow_fork): Improve doc.
[1] https://github.com/ROCm-Developer-Tools/ROCgdb
[2] https://sourceware.org/bugzilla/show_bug.cgi?id=27745
Change-Id: I4ee84a875e39bf3f8eaf3e6789a4bfe23a2a430e
|
|
Incorrect dates in last 3 ChangeLog entries for gdb/testsuite/ChangeLog.
|
|
The remaining duplicates are resolved by adding a with_test_prefix and
reindenting a proc. I also added a couple of additional test names to
some of the tests.
gdb/testsuite/ChangeLog:
* gdb.guile/scm-pretty-print.exp (run_lang_tests): Give some tests
unique names, also wrap proc body in with_test_prefix.
|
|
This commit resolves almost all of the remaining duplicate test names
in gdb.guile/*.exp. This is done by either:
- Making use of with_test_prefix,
- Giving tests a unique name,
- Extending the existing name to make it unique,
- Not printing PASS lines for simple setup commands (e.g. loading
support modules, or adjusting GDB internal settings not relating to
guile).
gdb/testsuite/ChangeLog:
* gdb.guile/scm-frame-args.exp: Add with_test_prefix to resolve
duplicate test names.
* gdb.guile/scm-parameter.exp: Provide test names to avoid
duplicate names based on the command being run.
* gdb.guile/scm-symbol.exp: Extend test name to make it unique.
* gdb.guile/scm-type.exp (restart_gdb): Don't print PASS line when
loading a support module.
(test_equality): Update test name to match the actual test, making
the name unique in the process.
* gdb.guile/scm-value.exp (test_value_in_inferior): Add test names
to resolve duplicate tests.
(test_inferior_function_call): Likewise.
(test_subscript_regression): Likewise.
|
|
The guile support library has some "tests" that are actually being
used to setup GDB ready for the real guile tests, e.g. we load some
support modules, and define some helper functions.
As this setup is done every time we call gdb_guile_runto_main, which
could be called multiple times in a single test script, this can lead
to duplicate PASS lines.
As this setup is all pretty basic, and isn't the actual focus of the
real tests, then in this commit I pass an empty test name through to
the gdb_test_no_output calls, the result of this is that the PASS
lines are no longer printed. This removes some duplicate tests from
the gdb.guile/*.exp set of tests.
gdb/testsuite/ChangeLog:
* lib/guile.exp (gdb_scm_load_file): Use empty test name to
silence PASS lines.
(gdb_install_guile_module): Likewise.
|
|
This is unused, remove it.
gdb/ChangeLog:
* cli/cli-decode.h (struct cmd_list_element) <pre_show_hook>:
Remove.
* cli/cli-setshow.c (do_show_command): Adjust.
Change-Id: Ib9cd79d842550392b062309e1e5c079ad5d7571a
|
|
When we want to fetch tags from a memory range, the last address in that
range is not included.
There is a off-by-one error in aarch64_mte_get_tag_granules, which this
patch fixes.
gdb/ChangeLog:
2021-05-13 Luis Machado <luis.machado@linaro.org>
* arch/aarch64-mte-linux.c (aarch64_mte_get_tag_granules): Don't
include the last address in the range.
|
|
This avoids some manual memory management.
cmdpy_init correctly transfers ownership of the name to the
cmd_list_element, as it sets the name_allocated flag. However,
cmdpy_init (and add_setshow_generic) doesn't, it looks like the name is
just leaked. This is a bit tricky, because it actually creates two
commands (one set and one show), it would take a bit of refactoring of
the command code to give each their own allocated copy. For now, just
keep doing what the current code does but in a more explicit fashion,
with an explicit release.
gdb/ChangeLog:
* python/python-internal.h (gdbpy_parse_command_name): Return
gdb::unique_xmalloc_ptr.
* python/py-cmd.c (gdbpy_parse_command_name): Likewise.
(cmdpy_init): Adjust.
* python/py-param.c (parmpy_init): Adjust.
(add_setshow_generic): Take gdb::unique_xmalloc_ptr, release it
when done.
Change-Id: Iae5bc21fe2b22f12d5f954057b0aca7ca4cd3f0d
|
|
This reverts commit 4cf88725da1cb503be04d3237354105ec170bc86.
It causes the following regression:
...
$ cat shadow.cc
namespace A {}
int
main()
{
using namespace A;
return 0;
}
$ g++-10 -g shadow.cc -flto -o shadow
$ ./gdb -q -batch ./shadow -ex "b main"
Aborted (core dumped)
...
|
|
The Guile API doesn't currently have an equivalent to the Python API's
gdb.Value.const_value(). This commit adds a procedure with equivalent
semantics to the Guile API.
gdb/ChangeLog:
* NEWS (Guile API): Note the addition of the new procedure.
* guile/scm-value.c (gdbscm_value_const_value): Add
implementation of value-const-value procedure.
(value_functions): Add value-const-value procedure.
gdb/doc/ChangeLog:
* guile.texi (Values From Inferior In Guile): Add documentation
for value-const-value.
gdb/testsuite/ChangeLog:
* gdb.guile/scm-value.exp (test_value_in_inferior): Add test for
value-const-value.
|
|
The Guile API doesn't currently have an equivalent to the Python API's
Value.reference_value() or Value.rvalue_reference_value(). This commit
adds a procedure with equivalent semantics to the Guile API.
gdb/ChangeLog:
* NEWS (Guile API): Note the addition of new procedures.
* guile/scm-value.c (gdbscm_reference_value): Add helper function
for reference value creation.
(gdbscm_value_reference_value): Add implementation of
value-reference-value procedure.
(gdbscm_value_rvalue_reference_value): Add implementation of
value-rvalue-reference-value procedure.
(value_functions): Add value-reference-value procedure. Add
value-rvalue-reference-value procedure.
gdb/doc/ChangeLog:
* guile.texi (Values From Inferior In Guile): Add documentation
for value-reference-value. Add documentation for
value-rvalue-reference-value.
gdb/testsuite/ChangeLog:
* gdb.guile/scm-value.exp (test_value_in_inferior): Add test for
value-reference-value. Add test for value-rvalue-reference-value.
|
|
Adds a couple of missing bits to the Guile API to make C++11 rvalue
reference values and types usable from Guile scripts.
gdb/ChangeLog:
* guile/scm-type.c (type_integer_constants): Add binding for
TYPE_CODE_RVALUE_REF.
* guile/scm-value.c (gdbscm_value_referenced_value): Handle
dereferencing of rvalue references.
* NEWS (Guile API): Note improvements in rvalue reference support.
gdb/doc/ChangeLog:
* guile.texi (Types In Guile): Add documentation for
TYPE_CODE_RVALUE_REF.
|
|
Previously, the prefixname field of struct cmd_list_element was manually
set for prefix commands. This seems verbose and error prone as it
required every single call to functions adding prefix commands to
specify the prefix name while the same information can be easily
generated.
Historically, this was not possible as the prefix field was null for
many commands, but this was fixed in commit
3f4d92ebdf7f848b5ccc9e8d8e8514c64fde1183 by Philippe Waroquiers, so
we can rely on the prefix field being set when generating the prefix
name.
This commit also fixes a use after free in this scenario:
* A command gets created via Python (using the gdb.Command class).
The prefix name member is dynamically allocated.
* An alias to the new command is created. The alias's prefixname is set
to point to the prefixname for the original command with a direct
assignment.
* A new command with the same name as the Python command is created.
* The object for the original Python command gets freed and its
prefixname gets freed as well.
* The alias is updated to point to the new command, but its prefixname
is not updated so it keeps pointing to the freed one.
gdb/ChangeLog:
* command.h (add_prefix_cmd): Remove the prefixname argument as
it can now be generated automatically. Update all callers.
(add_basic_prefix_cmd): Ditto.
(add_show_prefix_cmd): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_abbrev_prefix_cmd): Ditto.
* cli/cli-decode.c (add_prefix_cmd): Ditto.
(add_basic_prefix_cmd): Ditto.
(add_show_prefix_cmd): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_abbrev_prefix_cmd): Ditto.
* cli/cli-decode.h (struct cmd_list_element): Replace the
prefixname member variable with a method which generates the
prefix name at runtime. Update all code reading the prefix
name to use the method, and remove all code setting it.
* python/py-cmd.c (cmdpy_destroyer): Remove code to free the
prefixname member as it's now a method.
(cmdpy_function): Determine if the command is a prefix by
looking at prefixlist, not prefixname.
|
|
Future versions of libipt report enable/disable status updates on PSB+.
Ignore them.
|
|
The scopes under this "if" are over-indented, fix that.
gdb/ChangeLog:
* arm-tdep.c (arm_record_data_proc_misc_ld_str): Fix
indentation.
Change-Id: I84a551793207ca95d0bc4f122e336555c8179c0e
|
|
This structure declaration is over-indented, fix that.
gdb/ChangeLog:
* cli/cli-decode.h (struct cmd_list_element): Fix indentation.
Change-Id: I17c9cd739a233239b3add72f4fce7947c20907cd
|
|
The test-case gdb.base/watch_thread_num.exp contains an infrun regexp:
...
-re "infrun:" {
...
which doesn't trigger because:
- the test-case doesn't contain "set debug infrun 1", and
- if we hack the test-case to add this, the regexp doesn't match
because "[infrun] " is printed instead.
Make the test pass with "set debug infrun 1" and add the setting commented
out.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2021-05-11 Tom de Vries <tdevries@suse.de>
* gdb.base/watch_thread_num.exp: Fix "set debug infrun 1" FAILs.
Add "set debug infrun 1" commented out.
|
|
When running check-read1, I run into a timeout in test-case
gdb.base/gdb-sigterm.exp:
...
[infrun] handle_inferior_event: status->kind = stopped, \
signal = GDB_SIGNAL_TRAP^M
[infrun] start_step_over: enter^M
[infrun] start_step_overFAIL: gdb.base/gdb-sigterm.exp: \
expect eof #0 (timeout)
gdb.base/gdb-sigterm.exp: expect eof #0: stepped 0 times
FAIL: gdb.base/gdb-sigterm.exp: 50 SIGTERM passes
...
The corresponding gdb_test_multiple has an exp_continue clause, but it doesn't
trigger because the regexp greps for 'infrun: ' instead of '[infrun] '.
Fix the timeout by fixing the infrun regexp.
Tested on x86_64-linux, with check and check-read1.
gdb/testsuite/ChangeLog:
2021-05-11 Tom de Vries <tdevries@suse.de>
* gdb.base/gdb-sigterm.exp: Fix exp_continue regexp.
|
|
Breakpoint location is modified to "return" statement which is
outside the DO loop. Because the label 100 of DO loop should get
executed for each iteration as shared in this external link:
http://www-pnp.physics.ox.ac.uk/~gronbech/intfor/node18.html.
flang compiler is following this fortran standard, whereas gfortran
compiler is not following, hence the test case is passing with
gfortran and failing with flang. but to correct this gfortran
behavior, bug has been filed in bugzilla
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99816). As reported in
the bug, with gfortran, label 100 of DO loop is reached only after
the completion of the entire DO loop. Hence at label 100, all the
array elements are set and printing of array element a(2) succeeds.
whereas with flang, when we are at label 100 for first time, array
element a(2) is not yet set, only a(1) is set, hence moving the
breakpoint location to outside the DO loop, so that once we are
outside the DO loop, we can print any of the array elements. This
change in test case is done irrespective of any fortran compiler.
gdb/testsuite/ChangeLog:
* gdb.fortran/array-element.exp: Breakpoint location is modified.
|
|
PR 27614 shows that gdb-add-index fails to generate the index when its
argument is a symlink.
The following one liner illustrates the reported problem:
$ echo 'int main(){}'|gcc -g -x c -;ln -s a.out symlink;gdb-add-index symlink
gdb-add-index: No index was created for symlink
gdb-add-index: [Was there no debuginfo? Was there already an index?]
$ ls -l
-rwxr-xr-x 1 25712 Mar 19 23:05 a.out*
-rw------- 1 8277 Mar 19 23:05 a.out.gdb-index
lrwxrwxrwx 1 5 Mar 19 23:05 symlink -> a.out*
GDB generates the .gdb-index file with a name that matches the name of
the actual program (a.out.gdb-index here), not the symlink that
references it. The remaining of the script is looking for a file named
after the provided argument (would be 'symlink.gdb-index' in our
example).
gdb/ChangeLog:
PR gdb/27614
* contrib/gdb-add-index.sh: Fix when called with a symlink as an
argument.
gdb/testsuite/ChangeLog:
PR gdb/27614
* gdb.dwarf2/gdb-add-index-symlink.exp: New test.
|
|
In this commit:
commit 1845e254645efbc02248345ccdb557d265dd8ae1
Date: Wed May 5 16:50:17 2021 +0100
gdb/guile: perform tilde expansion when sourcing guile scripts
A test was added that tries to source a guile script from the users
HOME directory. In order to achieve this the test (temporarily)
modifies $HOME to point into the binutils-gdb source tree.
The problem with this is that sourcing a guile script can cause the
guile script to be byte compiled and written into a .cache/ directory,
which is stored .... in the $HOME directory.
The result was that the test added in the above commit would cause a
.cache/ directory to be added into the binutils-gdb source tree.
In this commit the test is updated to create a new directory in the
build tree, the file we want to source is copied over, and $HOME is
set to point at the location in the build tree. Now when the test is
run the .cache/ directory is created in the build tree, leaving the
source tree untouched.
gdb/testsuite/ChangeLog:
* gdb.guile/guile.exp: Don't use the source directory as a
temporary HOME directory.
|
|
This test has a little oversight: the test procedure doesn't actually
use its parameters, the commands and expected patterns are hard-coded,
so we always test with i386:x86-64, instead of with the three arches.
Fix that.
gdb/testsuite/ChangeLog:
* gdb.arch/amd64-osabi.exp (test_osabi_none): Use the
parameters.
Change-Id: Iee2c32963d09e502ae791d5df2b6c04a1f49a57a
|
|
I was looking at some "set debug lin-lwp" logs, and saw that a thread
received the "Child exited" signal. It took me a moment to realize that
this was SIGCHLD. I then thought that it would be nice for
status_to_str to show the signal name (SIGCHLD) in addition to the
description "Child exited", since people are much more used to referring
to signals using their names.
Fortunately, libiberty contains a handy function to get the signal name
from the signal number, strsigno, use that.
The output of "set debug lin-lwp" now looks like:
[linux-nat] linux_nat_wait_1: waitpid 1209631 received SIGTRAP - Trace/breakpoint trap (stopped)
gdb/ChangeLog:
* nat/linux-waitpid.c (status_to_str): Show signal name.
Change-Id: I8ad9b1e744dd64461fd87b08d5c29f9ef97c4691
|
|
Change this:
The available watchpoint types represented by constants are defined
in the gdb module:
to this:
The available watchpoint types are represented by constants defined
in the gdb module:
The new version matches a similar line a few lines up the document
which reads:
The available types are represented by constants defined in the gdb
module:
gdb/doc/ChangeLog:
* guile.texinfo (Breakpoints In Guile): Reword sentence.
* python.texinfo (Breakpoints In Python): Reword sentence.
|
|
When the 'set debug py-unwind' flag was added, it was never documented
in the manual. This commit adds some text for this command to the
manual.
gdb/doc/ChangeLog:
* python.texinfo (Python Commands): Document 'set debug
py-unwind' and 'show debug py-unwind'.
|
|
Adds some new debugging to python/py-breakpoint.c.
gdb/ChangeLog:
* python/py-breakpoint.c (pybp_debug): New static global.
(show_pybp_debug): New function.
(pybp_debug_printf): Define.
(PYBP_SCOPED_DEBUG_ENTER_EXIT): Define.
(gdbpy_breakpoint_created): Add some debugging.
(gdbpy_breakpoint_deleted): Likewise.
(gdbpy_breakpoint_modified): Likewise.
(_initialize_py_breakpoint): New function.
gdb/doc/ChangeLog:
* python.texinfo (Python Commands): Document 'set debug
py-breakpoint' and 'show debug py-breakpoint'.
|
|
Converts the debug print out in python/py-unwind.c to use the new
debug printing scheme. I have also modified what is printed in a few
places, for example, rather than printing frame pointers, I now print
the frame level, this matches what we do in the general 'set debug
frame' tracing, and is usually more helpful (I think).
I also added a couple of ENTER/EXIT scope printers.
gdb/ChangeLog:
* python/py-unwind.c (pyuw_debug): Convert to bool.
(show_pyuw_debug): New function.
(pyuw_debug_printf): Define.
(PYUW_SCOPED_DEBUG_ENTER_EXIT): Define.
(pyuw_this_id): Convert to new debug print macros.
(pyuw_prev_register): Likewise.
(pyuw_sniffer): Likewise.
(pyuw_dealloc_cache): Likewise.
(_initialize_py_unwind): Update now pyuw_debug is a bool, and add
show function when registering.
|
|
Replace fprint_frame_id with a member function frame_id::to_string
that returns a std::string. Convert all of the previous users of
fprint_frame_id to use the new member function. This means that
instead of writing things like this:
fprintf_unfiltered (file, " id=");
fprint_frame_id (file, s->id.id);
We can write this:
fprintf_unfiltered (file, " id=%s", s->id.id.to_string ().c_str ());
There should be no user visible changes after this commit.
gdb/ChangeLog:
* dummy-frame.c (fprint_dummy_frames): Convert use of
fprint_frame_id to use frame_id::to_string.
* frame.c (fprint_field): Delete.
(fprint_frame_id): Moved to...
(frame_id::to_string): ...this, rewritten to return a string.
(fprint_frame): Convert use of fprint_frame_id to use
frame_id::to_string.
(compute_frame_id): Likewise.
(frame_id_p): Likewise.
(frame_id_eq): Likewise.
(frame_id_inner): Likewise.
* frame.h (struct frame_id) <to_string>: New member function.
(fprint_frame_id): Delete declaration.
* guile/scm-frame.c (frscm_print_frame_smob): Convert use of
fprint_frame_id to use frame_id::to_string.
* python/py-frame.c (frame_object_to_frame_info): Likewise.
* python/py-unwind.c (unwind_infopy_str): Likewise.
(pyuw_this_id): Likewise.
|
|
Instead of using a static buffer. This is safer, and we don't really
mind about any extra dynamic allocation here, since it's only used for
debug purposes.
gdb/ChangeLog:
* nat/linux-waitpid.c (status_to_str): Return std::string.
* nat/linux-waitpid.h (status_to_str): Likewise.
* linux-nat.c (linux_nat_post_attach_wait): Adjust.
(linux_nat_target::attach): Adjust.
(linux_handle_extended_wait): Adjust.
(wait_lwp): Adjust.
(stop_wait_callback): Adjust.
(linux_nat_filter_event): Adjust.
(linux_nat_wait_1): Adjust.
* nat/linux-waitpid.c (status_to_str): Adjust.
* nat/linux-waitpid.h (status_to_str): Adjust.
gdbserver/ChangeLog:
* linux-low.cc (linux_process_target::wait_for_event_filtered):
Adjust to status_to_str returning std::string.
Change-Id: Ia8aead70270438a5690f243e6faafff6c38ff757
|
|
gdb/ChangeLog:
* infrun.h (infrun_debug_printf): Add missing space.
Change-Id: I476096a098451ff2019ab38caa41ebfef0e04a1c
|
|
Currently, in order to tell whether support for disabling address
space randomization on Linux is available, GDB checks if the
personality syscall works, at configure time. I.e., it does a run
test, instead of a compile/link test:
AC_RUN_IFELSE([PERSONALITY_TEST],
[have_personality=true],
[have_personality=false],
This is a bit bogus, because the machine the build is done on may not
(and is when you consider distro gdbs) be the machine that eventually
runs gdb. It would be better if this were a compile/link test
instead, and then at runtime, GDB coped with the personality syscall
failing. Actually, GDB already copes.
One environment where this is problematic is building GDB in a Docker
container -- by default, Docker runs the container with seccomp, with
a profile that disables the personality syscall. You can tell Docker
to use a less restricted seccomp profile, but I think we should just
fix it in GDB.
"man 2 personality" says:
This system call first appeared in Linux 1.1.20 (and thus first
in a stable kernel release with Linux 1.2.0); library support
was added in glibc 2.3.
...
ADDR_NO_RANDOMIZE (since Linux 2.6.12)
With this flag set, disable address-space-layout randomization.
glibc 2.3 was released in 2002.
Linux 2.6.12 was released in 2005.
The original patch that added the configure checks was submitted in
2008. The first version of the patch that was submitted to the list
called personality from common code:
https://sourceware.org/pipermail/gdb-patches/2008-June/058204.html
and then was moved to Linux-specific code:
https://sourceware.org/pipermail/gdb-patches/2008-June/058209.html
Since HAVE_PERSONALITY is only checked in Linux code, and
ADDR_NO_RANDOMIZE exists for over 15 years, I propose just completely
removing the configure checks.
If for some odd reason, some remotely modern system still needs a
configure check, then we can revert this commit but drop the
AC_RUN_IFELSE in favor of always doing the AC_LINK_IFELSE
cross-compile fallback.
gdb/ChangeLog:
* linux-nat.c (linux_nat_target::supports_disable_randomization):
Remove references to HAVE_PERSONALITY.
* nat/linux-personality.c: Remove references to HAVE_PERSONALITY.
(maybe_disable_address_space_randomization)
(~maybe_disable_address_space_randomizatio): Remove references to
HAVE_PERSONALITY.
* config.in, configure: Regenerate.
gdbserver/ChangeLog:
* linux-low.cc:
(linux_process_target::supports_disable_randomization): Remove
reference to HAVE_PERSONALITY.
* config.in, configure: Regenerate.
gdbsupport/ChangeLog:
* common.m4 (personality test): Remove.
|
|
Before this patch:
(gdb) source ~/script.scm
ERROR: In procedure apply-smob/1:
ERROR: In procedure primitive-load-path: Unable to find file "~/script.scm" in load path
Error while executing Scheme code.
(gdb)
This is because the path is not tilde expanded. In contrast, when
sourcing a .py or .gdb script the path is tilde expanded.
This commit fixes this oversight, and allows the above source command
to work as expected.
The tilde expansion is done in the generic GDB code before we call the
sourcer function for any particular extension language.
gdb/ChangeLog:
* cli/cli-cmds.c: Add 'gdbsupport/gdb_tilde_expand.h'
include.
(source_script_with_search): Perform tilde expansion.
gdb/testsuite/ChangeLog:
* gdb.guile/guile.exp: Add an extra test.
|
