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A best effort patch, which fixes some bit rot and removes some
inferior_ptid references -- this port clearly hasn't been built in a
long while.
gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* nto-procfs.c (nto_procfs_target::update_thread_list): Avoid
inferior_ptid.
(nto_procfs_target::attach): Avoid inferior_ptid. Switch to
thread.
(nto_procfs_target::detach): Avoid referencing
inferior_ptid. Use switch_to_no_thread instead of writing to
inferior_ptid directly.
(nto_procfs_target::mourn_inferior): Use switch_to_no_thread
instead of writing to inferior_ptid directly.
(nto_procfs_target::create_inferior): Avoid inferior_ptid. Switch
to thread.
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gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* remote-sim.c (gdbsim_target::create_inferior): Switch to thread
after creating it, instead of writing to inferior_ptid.
(gdbsim_target_open): Use switch_to_no_thread instead of writing
to inferior_ptid directly.
(gdbsim_target::wait): Don't write to inferior_ptid.
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gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* remote.c (remote_target::remote_notice_new_inferior): Use
switch_to_thread instead of writing to inferior_ptid directly.
(remote_target::add_current_inferior_and_thread): Use
switch_to_no_thread instead of writing to inferior_ptid directly.
(extended_remote_target::attach): Use switch_to_inferior_no_thread
and switch_to_thread instead of using set_current_inferior or
writing to inferior_ptid directly.
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gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* tracectf.c (ctf_target_open): Switch to added thread instead of
writing to inferior_ptid directly.
(ctf_target::close): Use switch_to_no_thread instead of writing to
inferior_ptid directly.
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gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* tracefile-tfile.c (tfile_target_open): Don't write to
inferior_ptid directly, instead switch to added thread.
(tfile_target::close): Use switch_to_no_thread instead of writing
to inferior_ptid directly.
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The inferior_ptid write in procfs_do_thread_registers should be
unnecessary because the target_fetch_registers method should (and
does) extract the ptid from the regcache.
Not tested.
gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* procfs.c (procfs_target::attach): Don't write to inferior_ptid.
(procfs_target::detach): Use switch_to_no_thread
instead of writing to inferior_ptid directly.
(do_attach): Change return type to void. Switch to the added
thread.
(procfs_target::create_inferior): Switch to the added thread.
(procfs_do_thread_registers): Don't write to inferior_ptid.
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gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* infrun.c (generic_mourn_inferior): Use switch_to_thread instead
of writing to inferior_ptid.
(scoped_restore_exited_inferior): Delete.
(handle_vfork_child_exec_or_exit): Simplify using
scoped_restore_current_pspace_and_thread. Use switch_to_thread
instead of writing to inferior_ptid.
(THREAD_STOPPED_BY): Delete.
(thread_stopped_by_watchpoint, thread_stopped_by_sw_breakpoint)
(thread_stopped_by_hw_breakpoint): Delete.
(save_waitstatus): Use
scoped_restore_current_thread+switch_to_thread, and call
target_stopped_by_watchpoint instead of
thread_stopped_by_watchpoint, target_stopped_by_sw_breakpoint
instead of thread_stopped_by_sw_breakpoint, and
target_stopped_by_hw_breakpoint instead of
thread_stopped_by_hw_breakpoint.
(handle_inferior_event)
<TARGET_WAITKIND_EXITED/TARGET_WAITKIND_SIGNALLED>: Don't write to
inferior_ptid directly, nor
set_current_inferior/set_current_program_space. Use
switch_to_thread / switch_to_inferior_no_thread instead.
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gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* target.c (generic_mourn_inferior): Use switch_to_no_thread
instead of writing to inferior_ptid.
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gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* inf-ptrace.c (inf_ptrace_target::create_inferior): Switch to the
added thread.
(inf_ptrace_target::attach): Don't write to inferior_ptid. Switch
to the added thread.
(inf_ptrace_target::detach_success): Use switch_to_no_thread
instead of writing to inferior_ptid.
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Use switch_to_thread instead of writing to inferior_ptid. This
requires a couple of improvements to the mocking environment. One is
to mock a pspace too, and assigning it to the inferior. In turn, this
requires heap-allocating the address space, so that the regular
program_space dtor destroys the address space correctly.
(Note that new the mock program_space is allocated on the stack, and
thus depends on the previous patch that eliminated
delete_program_space.)
gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* gdbarch-selftests.c: Include "progspace-and-thread.h".
(register_to_value_test): Mock a program_space too. Heap-allocate
the address space. Don't write to inferior_ptid. Use
switch_to_thread instead.
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An early (and since discarded) version of this series tried to make
exited threads have distinct PTID between each other, and that change
exposed a problem in linux-tdep.c... This was exposed by the
gdb.threads/gcore-stale-thread.exp testcase, which is exactly about
calling gcore with an exited thread selected:
(gdb) [Thread 0x7ffff7fb6740 (LWP 31523) exited]
PASS: gdb.threads/gcore-stale-thread.exp: continue to breakpoint: break-here
gcore /home/pedro/gdb/binutils-gdb/build/gdb/testsuite/outputs/gdb.threads/gcore-stale-thread/gcore-stale-thread.core
/home/pedro/gdb/binutils-gdb/build/../src/gdb/inferior.c:66: internal-error: void set_current_inferior(inferior*): Assertion `inf != NULL' failed.
A problem internal to GDB has been detected,
That was find_inferior_ptid being called on the "exited" ptid, which
on that previous (and discarded attempt) had pid==-1. The problem is
that linux-tdep.c, where it looks for the signalled thread, isn't
considering exited threads. Also, while at it, that code isn't
considering multi-target either, since it is using
iterate_over_threads which iterates over all threads of all targets.
Fixed by switching to range-for iteration instead.
gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* linux-tdep.c (find_signalled_thread(thread_info *,void *)):
Delete.
(find_signalled_thread()): New, factored out from
linux_make_corefile_notes and adjusted to handle exited threads.
(linux_make_corefile_notes): Adjust to use the new
find_signalled_thread.
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gdb/ChangeLog:
2020-06-18 Pedro Alves <palves@redhat.com>
* linux-tdep.c (btrace_fetch): Save/restore current thread instead
of saving/restoring inferior_ptid.
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If a baseboard file wants to override a proc foo, but also use the original
proc, it'll have to do something like:
...
rename foo save_foo
proc foo { } {
...
set res [save_foo]
...
return res
}
...
This adds a new proc named save_foo, which introduces the risk of clashing with
an existing proc.
There's a pattern in the gdb testsuite procs, that facilitates this override:
...
proc default_foo { } {
...
}
proc foo { } {
return [default_foo]
}
...
such that in a baseboard file we don't need the rename:
...
proc foo { } {
...
set res [default_foo]
...
return res
}
...
The exception to the pattern though is gdb_init, which has a default_gdb_init
counterpart, but contains much more code than just the call to
default_gdb_init.
Fix this by moving all but the call to default_gdb_init to default_gdb_init.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-06-18 Tom de Vries <tdevries@suse.de>
* lib/gdb.exp (gdb_init): Move all but call to default_gdb_init to ...
(default_gdb_init): ... here.
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2020-06-17 Sandra Loosemore <sandra@codesourcery.com>
gdb/testsuite/
* gdb.tui/basic.exp: Skip test when TUI is unsupported, don't
just say UNSUPPORTED.
* gdb.tui/corefile-run.exp: Likewise.
* gdb.tui/empty.exp: Likewise.
* gdb.tui/list-before.exp: Likewise.
* gdb.tui/list.exp: Likewise.
* gdb.tui/main.exp: Likewise.
* gdb.tui/regs.exp: Likewise.
* gdb.tui/resize.exp: Likewise.
* gdb.tui/tui-layout-asm-short-prog.exp: Likewise.
* gdb.tui/tui-layout-asm.exp: Likewise.
* gdb.tui/tui-missing-src.exp: Likewise.
* gdb.tui/winheight.exp: Likewise.
* gdb.tui/new-layout.exp: Likewise. Also move check earlier.
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I found some unnecessary declarations (and one unused macro) in the
TUI. This patch removes them.
gdb/ChangeLog
2020-06-17 Tom Tromey <tom@tromey.com>
* tui/tui-win.h (tui_scroll_forward, tui_scroll_backward)
(tui_scroll_left, tui_scroll_right, struct tui_win_info): Don't
declare.
* tui/tui-data.h (MIN_CMD_WIN_HEIGHT): Remove.
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2020-06-17 Sandra Loosemore <sandra@codesourcery.com>
gdb/testsuite/
* gdb.python/py-format-string.exp: Move test for python support
earlier, out of function body.
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This patch fixes an internal error that is triggered when loading the
same binary twice with the index-cache on:
$ ./gdb -q -nx --data-directory=data-directory
(gdb) set index-cache on
(gdb) shell mktemp -d
/tmp/tmp.BLgouVoPq4
(gdb) set index-cache directory /tmp/tmp.BLgouVoPq4
(gdb) file a.out
Reading symbols from a.out...
(gdb) file a.out
Load new symbol table from "a.out"? (y or n) y
Reading symbols from a.out...
/home/smarchi/src/binutils-gdb/gdb/dwarf2/read.c:2540: internal-error: void create_cus_from_index(dwarf2_per_bfd*, const gdb_byte*, offset_type, const gdb_byte*, offset_type): Assertion `per_bfd->all_comp_units.empty ()' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n)
This is what happens:
1. We load the binary the first time, partial symtabs are created,
per_bfd->all_comp_units is filled from those.
2. Because index-cache is on, we also generate an index in the cache.
3. We load the binary a second time, in dwarf2_initialize_objfile we
check: was an index already loaded for this BFD? No, so we try to
read the index and fill the per-bfd using it. We do find an index,
it's in the cache.
4. The function create_cus_from_index asserts (rightfully) that
per_cu->all_comp_units is empty, and the assertion fails.
This assertion verifies that we are not reading an index for a BFD for
which we have already built partial symtabs or read another index.
The index-cache gives a situation that isn't currently accounted for: a
BFD for which we have built the partial symtabs the first time, but has
an index the second time.
This patch addresses it by checking for the presence of partial symtabs
in dwarf2_initialize_objfile. If there are, we don't try reading the
index.
gdb/ChangeLog:
* dwarf2/read.c (dwarf2_initialize_objfile): Check for presence
of partial symtabs.
gdb/testsuite/ChangeLog:
* gdb.base/index-cache-load-twice.c: New.
* gdb.base/index-cache-load-twice.exp: New.
Change-Id: Ie05474c44823fcdff852b73170dd28dfd66cb6a2
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I believe that the .dat files starting with `reg-` are the manually
written ones, the other being generated from xml files from the features
directory.
This patch removes the manually-written files that are no longer needed.
They are unused since the recent series that removed a bunch of
gdbserver ports.
gdb/ChangeLog:
* regformats/reg-arm.dat: Remove.
* regformats/reg-bfin.dat: Remove.
* regformats/reg-cris.dat: Remove.
* regformats/reg-crisv32.dat: Remove.
* regformats/reg-m32r.dat: Remove.
* regformats/reg-tilegx.dat: Remove.
* regformats/reg-tilegx32.dat: Remove.
Change-Id: I55ab6e45e3d0d316cda93f863c51fc9b867adfaa
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This patch removes the leftover regformats .dat files for the arm
architecture. There are no longer relevant, since the arm architecture
has been converted to use feature-based target-descriptions. These .dat
files are used by GDBserver ports that still use static target
descriptions.
These .dat files are generated from corresponding .xml files in the
features directory. And since the corresponding .xml files for these
arm .dat files don't exist anymore, it is impossible to re-generated
them. If you delete these .dat files and type "make" in the features
directory, you'll get:
make: *** No rule to make target '../regformats/arm/arm-with-iwmmxt.dat', needed by 'all'. Stop.
So it removes the entries in the `WHICH` variable of
gdb/features/Makefile.
Finally, it removes the rule in gdbserver/Makefile to generate .cc files
from `../gdb/regformats/arm/%.dat`.
gdb/ChangeLog:
* features/Makefile (WHICH): Remove arm files.
* regformats/arm/arm-with-iwmmxt.dat: Remove.
* regformats/arm/arm-with-neon.dat: Remove.
* regformats/arm/arm-with-vfpv2.dat: Remove.
* regformats/arm/arm-with-vfpv3.dat: Remove.
gdbserver/ChangeLog:
* Makefile.in (%-generated.cc: ../gdb/regformats/arm/%.dat):
Remove.
Change-Id: I3b7d989c50e2cb92235c1f7c7071a26839d84c78
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When trying to run `make` in the features directory, in a clean repo, we
get:
Makefile:254: warning: overriding recipe for target 'rx.c'
Makefile:250: warning: ignoring old recipe for target 'rx.c'
make: Nothing to be done for 'all'.
The warnings come from the fact that `rx.xml` is present in two lists,
causing two `rx.c` targets to be defined. It is ok for it to be in the
FEATURES_XMLFILES list, as this architecture uses the "feature-based"
target-descriptions. It shouldn't be in the XMLTOC list, as this is for
architectures that define complete/static target descriptions as XML
files.
gdb/ChangeLog:
* features/Makefile (XMLTOC): Remove rx.xml.
Change-Id: Iada4ab54b3d4542588fac543d16ee35a92537319
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gdb.debuginfod/fetch_src_and_symbols.exp attempts to ascertain
whether GDB was built with debuginfod support by executing
"$GDB --configuration".
That seems harmless enough. However, if GDB is not already installed
on the host, the command will fail:
$ ./gdb --config
Exception caught while booting Guile.
Error in function "open-file":
No such file or directory: "/usr/share/gdb/guile/gdb/boot.scm"
./gdb: warning: Could not complete Guile gdb module initialization from:
/usr/share/gdb/guile/gdb/boot.scm.
Limited Guile support is available.
Suggest passing --data-directory=/path/to/gdb/data-directory.
Python Exception <class 'ModuleNotFoundError'> No module named 'gdb':
./gdb: warning:
Could not load the Python gdb module from `/usr/share/gdb/python'.
Limited Python support is available from the _gdb module.
Suggest passing --data-directory=/path/to/gdb/data-directory.
This GDB was configured as follows:
configure --host=x86_64-redhat-linux-gnu --target=x86_64-redhat-linux-gnu
[abbreviated output]
The problem here is, of course, that while running in the test suite,
we must pass INTERNAL_GDBFLAGS in order to pick up the --data-directory
option.
gdb/testsuite/ChangeLog
2020-06-17 Keith Seitz <keiths@redhat.com>
* gdb.deuginfod/fetch_src_and_symbols.exp: Pass INTERNAL_GDBFLAGS
when executing "gdb --configuration".
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In gdb_init we install a local version of ::unknown, which relies on
::tcl_unknown, which is defined by dejagnu.
This proc may be moved into a namespace, or disappear altogether, as
indicated by dejagnu maintainers, so we can't rely on it.
Fix this by recreating tcl's version of unknown, and using that instead.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-06-17 Tom de Vries <tdevries@suse.de>
* lib/gdb.exp (gdb_tcl_unknown): New proc.
(gdb_init): Use gdb_tcl_unknown for ::unknown override. Make override
conditional on presence of gdb_tcl_unknown.
(gdb_finish): Make override undo conditional on presence of
gdb_tcl_unknown.
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The comments describing trap_expected are out of date. It
predates displaced stepping and non-stop mode ("keep other threads
stopped"). It predates stepping over watchpoints with breakpoints
inserted (keep_going_pass_signal). Says the variable is cleared
in normal_stop, when it isn't. This fixes it.
gdb/ChangeLog:
2020-06-17 Pedro Alves <palves@redhat.com>
* gdbthread.h (thread_control_state) <trap_expected> Update
comments.
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This commit changes the language_data::la_lookup_symbol_nonlocal
function pointer member variable into a member function of
language_defn.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_lookup_symbol_nonlocal): Rename to
ada_language::lookup_symbol_nonlocal.
(ada_language_data): Delete la_lookup_symbol_nonlocal initializer.
(ada_language::lookup_symbol_nonlocal): New member function,
implementation from ada_lookup_symbol_nonlocal.
* c-lang.c (c_language_data): Delete la_lookup_symbol_nonlocal
initializer.
(cplus_language_data): Delete la_lookup_symbol_nonlocal
initializer.
(cplus_language::lookup_symbol_nonlocal): New member function.
(asm_language_data): Delete la_lookup_symbol_nonlocal initializer.
(minimal_language_data) Likewise.
* cp-namespace.c (cp_lookup_nested_symbol): Update comment.
* d-lang.c (d_language_data): Delete la_lookup_symbol_nonlocal
initializer.
(d_language::lookup_symbol_nonlocal): New member function.
* f-lang.c (f_language_data): Delete la_lookup_symbol_nonlocal
initializer.
(f_language::lookup_symbol_nonlocal): New member function.
* go-lang.c (go_language_data): Delete la_lookup_symbol_nonlocal
initializer.
* language.c (unknown_language_data): Likewise.
(auto_language_data): Likewise.
* language.h (language_data): Delete la_lookup_symbol_nonlocal
field.
(language_defn::lookup_symbol_nonlocal): New member function.
* m2-lang.c (m2_language_data): Delete la_lookup_symbol_nonlocal
initializer.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_lookup_symbol_nonlocal): Rename to
rust_language::lookup_symbol_nonlocal.
(rust_language_data): Delete la_lookup_symbol_nonlocal
initializer.
(rust_language::lookup_symbol_nonlocal): New member function,
implementation from rust_lookup_symbol_nonlocal.
* symtab.c (lookup_symbol_aux): Update call to
lookup_symbol_nonlocal.
(basic_lookup_symbol_nonlocal): Rename to...
(language_defn::lookup_symbol_nonlocal): ...this, and update
header comment. Remove language_defn parameter, and replace with
uses of `this'.
* symtab.h (basic_lookup_symbol_nonlocal): Delete declaration.
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This commit changes the language_data::la_value_print_inner function
pointer member variable into a member function of language_defn.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Delete la_value_print_inner
initializer.
(ada_language::value_print_inner): New member function.
* c-lang.c (c_language_data): Delete la_value_print_inner
initializer.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* d-lang.c (d_language_data): Likewise.
(d_language::value_print_inner): New member function.
* f-lang.c (f_language_data): Delete la_value_print_inner
initializer.
(f_language::value_print_inner): New member function.
* f-lang.h (f_value_print_innner): Rename to...
(f_value_print_inner): ...this (note spelling of 'inner').
* f-valprint.c (f_value_print_innner): Rename to...
(f_value_print_inner): ...this (note spelling of 'inner').
* go-lang.c (go_language_data): Delete la_value_print_inner
initializer.
(go_language::value_print_inner): New member function.
* language.c (language_defn::value_print_inner): Define new member
function.
(unk_lang_value_print_inner): Delete.
(unknown_language_data): Delete la_value_print_inner initializer.
(unknown_language::value_print_inner): New member function.
(auto_language_data): Delete la_value_print_inner initializer.
(auto_language::value_print_inner): New member function.
* language.h (language_data): Delete la_value_print_inner field.
(language_defn::value_print_inner): Delcare new member function.
* m2-lang.c (m2_language_data): Delete la_value_print_inner
initializer.
(m2_language::value_print_inner): New member function.
* objc-lang.c (objc_language_data): Delete la_value_print_inner
initializer.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
(pascal_language::value_print_inner): New member function.
* rust-lang.c (rust_language_data): Delete la_value_print_inner
initializer.
(rust_language::value_print_inner): New member function.
* valprint.c (do_val_print): Update call to value_print_inner.
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This commit changes the language_data::la_value_print function pointer
member variable into a member function of language_defn.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Delete la_value_print
initializer.
(ada_language::value_print): New member function.
* c-lang.c (c_language_data): Delete la_value_print initializer.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* d-lang.c (d_language_data): Likewise.
* f-lang.c (f_language_data): Likewise.
* go-lang.c (go_language_data): Likewise.
* language.c (unk_lang_value_print): Delete.
(language_defn::value_print): Define new member function.
(unknown_language_data): Delete la_value_print initializer.
(unknown_language::value_print): New member function.
(auto_language_data): Delete la_value_print initializer.
(auto_language::value_print): New member function.
* language.h (language_data): Delete la_value_print field.
(language_defn::value_print): Declare new member function.
(LA_VALUE_PRINT): Update call to value_print.
* m2-lang.c (m2_language_data): Delete la_value_print initializer.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
(pascal_language::value_print): New member function.
* rust-lang.c (rust_language_data): Delete la_value_print
initializer.
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This commit changes the language_data::la_watch_location_expression
function pointer member variable into a member function of
language_defn.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_watch_location_expression): Rename to
ada_language::watch_location_expression.
(ada_language_data): Delete la_watch_location_expression
initializer.
(ada_language::watch_location_expression): New member function,
implementation from ada_watch_location_expression.
* breakpoint.c (watch_command_1): Update call to
watch_location_expression.
* c-lang.c (c_watch_location_expression): Rename to
language_defn::watch_location_expression.
(c_language_data): Delete la_watch_location_expression
initializer.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* c-lang.h (c_watch_location_expression): Delete declaration.
* d-lang.c (d_language_data): Delete la_watch_location_expression
initializer.
* f-lang.c (f_language_data): Likewise.
* go-lang.c (go_language_data): Likewise.
* language.c (language_defn::watch_location_expression): Member
function implementation from c_watch_location_expression.
(unknown_language_data): Delete la_watch_location_expression
initializer.
(auto_language_data): Likewise.
* language.h (language_data): Delete la_watch_location_expression
field.
(language_defn::watch_location_expression): Declare new member
function.
* m2-lang.c (m2_language_data): Delete
la_watch_location_expression initializer.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_watch_location_expression): Rename to
rust_language::watch_location_expression.
(rust_language_data): Delete la_watch_location_expression
initializer.
(rust_language::watch_location_expression): New member function,
implementation from rust_watch_location_expression.
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This commit changes the
language_data::la_collect_symbol_completion_matches function pointer
member variable into a member function of language_defn.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_collect_symbol_completion_matches): Rename to
ada_language::collect_symbol_completion_matches.
(ada_language_data): Delete la_collect_symbol_completion_matches
initializer.
(ada_language::collect_symbol_completion_matches): New member
function, implementation from
ada_collect_symbol_completion_matches.
* c-lang.c (c_language_data): Delete
la_collect_symbol_completion_matches initializer.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* d-lang.c (d_language_data): Likewise.
* f-lang.c (f_collect_symbol_completion_matches): Rename to
f_language::collect_symbol_completion_matches.
(f_language_data): Delete la_collect_symbol_completion_matches
initializer.
(f_language::collect_symbol_completion_matches) New member
function, implementation from f_collect_symbol_completion_matches.
* go-lang.c (go_language_data): Delete
la_collect_symbol_completion_matches initializer.
* language.c (unknown_language_data): Likewise.
(auto_language_data): Likewise.
* language.h (language_data): Delete
la_collect_symbol_completion_matches field.
(language_defn::collect_symbol_completion_matches): New member
function.
* m2-lang.c (m2_language_data): Delete
la_collect_symbol_completion_matches initializer.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_language_data): Likewise.
* symtab.c (default_collect_symbol_completion_matches): Delete.
(collect_symbol_completion_matches): Update call to
collect_symbol_completion_matches.
(collect_symbol_completion_matches_type): Likewise.
* symtab.h (default_collect_symbol_completion_matches): Delete
declaration.
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This commit changes the language_data::la_word_break_characters
function pointer member variable into a member function of
language_defn.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_get_gdb_completer_word_break_characters): Delete.
(ada_language_data): Delete la_word_break_characters initializer.
(ada_language::word_break_characters): New member function.
* c-lang.c (c_language_data): Delete la_word_break_characters
initializer.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* completer.c: Update global comment.
(advance_to_expression_complete_word_point): Update call to
word_break_characters.
(complete_files_symbols): Likewise.
(complete_line_internal_1): Likewise.
(default_completer_handle_brkchars): Likewise.
(skip_quoted_chars): Likewise.
* d-lang.c (d_language_data): Delete la_word_break_characters
initializer.
* f-lang.c (f_word_break_characters): Delete.
(f_language_data): Delete la_word_break_characters initializer.
(f_language::word_break_characters): New member function.
* go-lang.c (go_language_data): Delete la_word_break_characters
initializer.
* language.c (unknown_language_data): Likewise.
(auto_language_data): Likewise.
* language.h (default_word_break_characters): Move declaration to
earlier in the file.
(language_data): Delete la_word_break_characters field.
(language_defn::word_break_characters): New member function.
* m2-lang.c (m2_language_data): Delete la_word_break_characters
initializer.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_language_data): Likewise.
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This commit changes the language_data::la_get_symbol_name_matcher
function pointer member variable into a member function of
language_defn.
There should be no user visible changes after this commit.
Before this commit access to the la_get_symbol_name_matcher function
pointer was through the get_symbol_name_matcher function, which looked
something like this (is pseudo-code):
<return-type>
get_symbol_name_matcher (language_defn *lang, <other args>)
{
if (current_language == ada)
current_language->la_get_symbol_name_matcher (<other args>);
else
lang->la_get_symbol_name_matcher (<other args>);
}
In this commit I moved the get_symbol_name_matcher as a non-virtual
function in the language_defn base class, I then add a new virtual
method that is only used from within get_symbol_name_matcher, this can
then be overridden by specific languages as needed. So we now have:
class language_defn
{
<return-type> get_symbol_name_matcher (<args>)
{
if (current_language == ada)
return current_language->get_symbol_name_matcher_inner (<args>);
else
return this->get_symbol_name_matcher_inner (<args>);
}
virtual <return-type> get_symbol_name_matcher_inner (<args>)
{
....
}
}
gdb/ChangeLog:
* ada-lang.c (ada_get_symbol_name_matcher): Update header comment.
(ada_language_data): Delete la_get_symbol_name_matcher
initializer.
(language_defn::get_symbol_name_matcher_inner): New member
function.
* c-lang.c (c_language_data): Delete la_get_symbol_name_matcher
initializer.
(cplus_language_data): Likewise.
(cplus_language::get_symbol_name_matcher_inner): New member
function.
(asm_language_data): Delete la_get_symbol_name_matcher initializer.
(minimal_language_data): Likewise.
* cp-support.h (cp_get_symbol_name_matcher): Update header comment.
* d-lang.c (d_language_data): Delete la_get_symbol_name_matcher
initializer.
* dictionary.c (iter_match_first_hashed): Update call to
get_symbol_name_matcher.
(iter_match_next_hashed): Likewise.
(iter_match_next_linear): Likewise.
* dwarf2/read.c (dw2_expand_symtabs_matching_symbol): Likewise.
* f-lang.c (f_language_data): Delete la_get_symbol_name_matcher
initializer.
(f_language::get_symbol_name_matcher_inner): New member function.
* go-lang.c (go_language_data): Delete la_get_symbol_name_matcher
initializer.
* language.c (default_symbol_name_matcher): Update header comment,
make static.
(language_defn::get_symbol_name_matcher): New definition.
(language_defn::get_symbol_name_matcher_inner): Likewise.
(get_symbol_name_matcher): Delete.
(unknown_language_data): Delete la_get_symbol_name_matcher
initializer.
(auto_language_data): Likewise.
* language.h (language_data): Delete la_get_symbol_name_matcher
field.
(language_defn::get_symbol_name_matcher): New member function.
(language_defn::get_symbol_name_matcher_inner): Likewise.
(default_symbol_name_matcher): Delete declaration.
* linespec.c (find_methods): Update call to
get_symbol_name_matcher.
* m2-lang.c (m2_language_data): Delete la_get_symbol_name_matcher
initializer.
* minsyms.c (lookup_minimal_symbol): Update call to
get_symbol_name_matcher.
(iterate_over_minimal_symbols): Likewise.
* objc-lang.c (objc_language_data): Delete
la_get_symbol_name_matcher initializer.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* psymtab.c (psymbol_name_matches): Update call to
get_symbol_name_matcher.
* rust-lang.c (rust_language_data): Delete
la_get_symbol_name_matcher initializer.
* symtab.c (symbol_matches_search_name): Update call to
get_symbol_name_matcher.
(compare_symbol_name): Likewise.
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This commit changes the language_data::la_compute_program function
pointer member variable into a member function of language_defn.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Delete la_compute_program
initializer.
* c-lang.c (c_language_data): Likewise.
(c_language::compute_program): New member function.
(cplus_language_data): Delete la_compute_program initializer.
(cplus_language::compute_program): New member function.
(asm_language_data): Delete la_compute_program initializer.
(minimal_language_data): Likewise.
* c-lang.h (c_compute_program): Update comment.
(cplus_compute_program): Likewise.
* compile/compile-c-support.c (c_compute_program): Likewise.
(cplus_compute_program): Likewise.
* compile/compile.c (compile_to_object): Update call to
la_compute_program.
* d-lang.c (d_language_data): Delete la_compute_program
initializer.
* f-lang.c (f_language_data): Likewise.
* go-lang.c (go_language_data): Likewise.
* language.c (unknown_language_data): Likewise.
(auto_language_data): Likewise.
* language.h (language_data): Delete la_compute_program field.
(language_defn::compute_program): New member function.
* m2-lang.c (m2_language_data): Delete la_compute_program
initializer.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_language_data): Likewise.
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This commit changes the language_data::la_class_name_from_physname function
pointer member variable into a member function of language_defn.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data) Delete
la_class_name_from_physname initializer.
* c-lang.c (c_language_data): Likewise.
(cplus_language_data): Likewise.
(cplus_language::class_name_from_physname): New member function.
(asm_language_data): Delete la_class_name_from_physname
initializer.
(minimal_language_data): Likewise.
* d-lang.c (d_language_data): Likewise.
* dwarf2/read.c (guess_partial_die_structure_name): Update to call
method on language_defn class.
(guess_full_die_structure_name): Likewise.
* f-lang.c (f_language_data): Delete la_class_name_from_physname
initializer.
* go-lang.c (go_language_data): Likewise.
* language.c (language_class_name_from_physname): Delete.
(unk_lang_class_name): Delete.
(unknown_language_data): Delete la_class_name_from_physname
initializer.
(auto_language_data): Likewise.
* language.h (language_data): Delete la_class_name_from_physname
field.
(language_defn::class_name_from_physname): New function.
(language_class_name_from_physname): Delete declaration.
* m2-lang.c (m2_language_data): Delete la_class_name_from_physname
initializer.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_language_data): Likewise.
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Christian pointed out that tui-layout.c hard-codes various window
names. This patch changes the code to use the macros from tui-data.h
instead. For each window, I searched for uses of the name; but I only
found any in tui-layout.c. This also adds a new macro to account for
the "status" window.
gdb/ChangeLog
2020-06-16 Tom Tromey <tom@tromey.com>
* tui/tui-data.h (STATUS_NAME): New macro.
* tui/tui-layout.c (tui_remove_some_windows)
(initialize_known_windows, tui_register_window)
(tui_layout_split::remove_windows, initialize_layouts)
(tui_new_layout_command): Don't use hard-coded window names.
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PR tui/25348 points out that, when "gdb -tui" is used, then exiting
the TUI will cause a crash.
This happens because tui_setup_io stashes some readline variables --
but because this happens before readline is initialized, some of these
are NULL. Then, when exiting the TUI, the NULL values are "restored",
causing a crash in readline.
This patch fixes the problem by ensuring that readline is initialized
first. Back in commit 11061048d ("Give a name to the TUI SingleKey
keymap"), a call to rl_initialize was removed from
tui_initialize_readline; this patch resurrects the call, but moves it
to the end of the function, so as not to remove the ability to modify
the SingleKey map from .inputrc.
gdb/ChangeLog
2020-06-16 Tom Tromey <tom@tromey.com>
PR tui/25348:
* tui/tui.c (tui_ensure_readline_initialized): Rename from
tui_initialize_readline. Only run once. Call rl_initialize.
* tui/tui.h (tui_ensure_readline_initialized): Rename from
tui_initialize_readline.
* tui/tui-io.c (tui_setup_io): Call
tui_ensure_readline_initialized.
* tui/tui-interp.c (tui_interp::init): Update.
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Pedro pointed out on irc that C-x 1 from the gdb prompt will cause a
crash. This happened because of a bug in remove_windows -- it would
always remove all the windows from the layout. This patch fixes this
bug, and also arranges to have C-x 1 preserve the status window.
gdb/ChangeLog
2020-06-16 Tom Tromey <tom@tromey.com>
* tui/tui-layout.c (tui_layout_split::remove_windows): Fix logic.
Also preserve the status window.
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If a TUI window is written in Python, and if the window construction
function fails, then gdb will crash. This patch fixes the crash.
gdb/ChangeLog
2020-06-16 Tom Tromey <tom@tromey.com>
* python/py-tui.c (tui_py_window::~tui_py_window): Handle case
where m_window==nullptr.
gdb/testsuite/ChangeLog
2020-06-16 Tom Tromey <tom@tromey.com>
* gdb.python/tui-window.py (failwin): New function. Register it
as a TUI window type.
* gdb.python/tui-window.exp: Create new "fail" layout. Test it.
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Two functions in gdb.python/py-nested-maps.c are missing return
values. This causes clang to fail to compile the file with the
following error:
warning: control reaches end of non-void function [-Wreturn-type]
This commit fixes, by causing the two functions to return pointers
to the objects they've just allocated and initialized. I didn't
investigate how this test had been passing with other compilers;
I'm assuming serendipity, that in each function the value to be
returned was already in the register it would need to be in to be
the function's return value.
gdb/testsuite/ChangeLog:
* gdb.python/py-nested-maps.c (create_map): Add missing return
value.
(create_map_map): Likewise.
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This simplifies the target_read_string API a bit.
Note that some code was using safe_strerror on the error codes
returned by target_read_string. It seems to me that this is incorrect
(if it was ever correct, it must have been quite a long time ago).
gdb/ChangeLog
2020-06-15 Tom Tromey <tromey@adacore.com>
* windows-nat.c (windows_nat::handle_output_debug_string):
Update.
(windows_nat::handle_ms_vc_exception): Update.
* target.h (target_read_string): Change API.
* target.c (target_read_string): Change API.
* solib-svr4.c (open_symbol_file_object, svr4_read_so_list):
Update.
* solib-frv.c (frv_current_sos): Update.
* solib-dsbt.c (dsbt_current_sos): Update.
* solib-darwin.c (darwin_current_sos): Update.
* linux-thread-db.c (inferior_has_bug): Update.
* expprint.c (print_subexp_standard): Update.
* ada-lang.c (ada_main_name, ada_tag_name_from_tsd)
(ada_exception_message_1): Update.
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linux-tdep.c:dump_mapping_p uses target_read_string, but in a way that
does not really make sense. It's better to use target_read_memory
here.
gdb/ChangeLog
2020-06-15 Tom Tromey <tromey@adacore.com>
* linux-tdep.c (dump_mapping_p): Use target_read_memory.
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This rewrites target_read_string in terms of read_string.
gdb/ChangeLog
2020-06-15 Tom Tromey <tromey@adacore.com>
* valprint.c (read_string): Update comment.
* target.c (MIN): Remove.
(target_read_string): Rewrite.
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read_memory_string is redundant and only called in a couple of spots.
This patch removes it in favor of target_read_string.
gdb/ChangeLog
2020-06-15 Tom Tromey <tromey@adacore.com>
* corefile.c (read_memory_string): Remove.
* ada-valprint.c (ada_value_print_ptr): Update.
* ada-lang.h (ada_tag_name): Change return type.
* ada-lang.c (type_from_tag): Update.
(ada_tag_name_from_tsd): Change return type. Use
target_read_string.
(ada_tag_name): Likewise.
* gdbcore.h (read_memory_string): Don't declare.
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gdb/testsuite/ChangeLog:
2020-06-15 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdb.base/jit-elf-so.exp: Refer to the global main_loader_basename
variable.
* gdb.base/jit-reader-simple.exp: Fix typo ("Built" -> "Build"),
and use the already-defined 'options' variable.
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Fixes this testsuite fail on Windows:
FAIL: gdb.base/fullpath-expand.exp: rbreak XXX/fullpath-expand-func.c:func
If the found colon is actually part of a Windows drive, look for another.
gdb/ChangeLog:
2020-06-14 Hannes Domani <ssbssa@yahoo.de>
* symtab.c (rbreak_command): Ignore Windows drive colon.
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gdb/ChangeLog:
* NEWS: Mention removed GDBserver host support.
Change-Id: Ib9e212e525d12ac7f3f9b5c056adc5bf9c4d52cd
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Many of the test scripts create variables in the global namespace,
these variables will then be present for the following test scripts.
In most cases this is harmless, but in some cases this can cause
problems.
For example, if a variable is created as an array in one script, but
then assigned as a scalar in a different script, this will cause a TCL
error.
The solution proposed in this patch is to have the GDB test harness
record a list of all known global variables at the point just before
we source the test script. Then, after the test script has run, we
again iterate over all global variables. Any variable that was not in
the original list is deleted, unless it was marked as a persistent global
variable using gdb_persistent_global.
The assumption here is that no test script should need to create a
global variable that will outlive the lifetime of the test script
itself. With this patch in place all tests currently seem to pass, so
the assumption seems to hold.
gdb/testsuite/ChangeLog:
2020-06-12 Andrew Burgess <andrew.burgess@embecosm.com>
Tom de Vries <tdevries@suse.de>
* lib/gdb.exp (gdb_known_globals, gdb_persistent_globals): New global.
(gdb_persistent_global, gdb_persistent_global_no_decl): New proc.
(gdb_setup_known_globals): New proc.
(gdb_cleanup_globals): New proc.
* lib/gdb.exp (load_lib): New override proc.
(gdb_stdin_log_init): Set var in_file as persistent global.
* lib/pascal.exp (gdb_stdin_log_init): Set vars
pascal_compiler_is_gpc, pascal_compiler_is_fpc, gpc_compiler and
fpc_compiler as persistent global.
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In lib/tuiterm.exp the builtin spawn is overridden by a tui-specific version.
After running the first test-case that imports tuiterm.exp, the override
remains active, so it can cause trouble in subsequent test-cases, even if they
do not import tuiterm.exp. See f.i. commit c8d4f6dfd9 "[gdb/testsuite] Fix
spawn in tuiterm.exp".
Fix this by:
- adding a variable gdb_finish_hooks which is a list of procs to run during
gdb_finish
- adding a proc tuiterm_env that is used in test-cases instead of
"load_lib tuiterm.exp".
- letting tuiterm_env:
- install the tui-specific spawn version, and
- use the gdb_finish_hooks to schedule restoring the builtin spawn
version.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-06-12 Tom de Vries <tdevries@suse.de>
* lib/tuiterm.exp (spawn): Rename to ...
(tui_spawn): ... this.
(toplevel): Move rename of spawn ...
(gdb_init_tuiterm): ... here. New proc.
(gdb_finish_tuiterm): New proc.
* lib/gdb.exp (gdb_finish_hooks): New global var.
(gdb_finish): Handle gdb_finish_hooks.
(tuiterm_env): New proc.
* gdb.python/tui-window.exp: Replace load_lib tuiterm.exp with
tuiterm_env.
* gdb.tui/basic.exp: Same.
* gdb.tui/corefile-run.exp: Same.
* gdb.tui/empty.exp: Same.
* gdb.tui/list-before.exp: Same.
* gdb.tui/list.exp: Same.
* gdb.tui/main.exp: Same.
* gdb.tui/new-layout.exp: Same.
* gdb.tui/regs.exp: Same.
* gdb.tui/resize.exp: Same.
* gdb.tui/tui-layout-asm-short-prog.exp: Same.
* gdb.tui/tui-layout-asm.exp: Same.
* gdb.tui/tui-missing-src.exp: Same.
* gdb.tui/winheight.exp: Same.
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Say we add a call to foobar at the end of a test-case, and run the
test-suite. We'll run into a dejagnu error:
...
ERROR: (DejaGnu) proc "foobar" does not exist.
...
and the test-suite run is aborted.
It's reasonable that the test-case is aborted, but it's not reasonable that
the testsuite run is aborted.
Problems in one test-case should not leak into other test-cases, and they
generally don't. The exception is the "invalid command name" problem due to
an override of ::unknown in dejagnu's framework.exp.
Fix this by reverting dejagnu's ::unknown override for the duration of each
test-case, using the gdb_init/gdb_finish hooks.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-06-12 Tom de Vries <tdevries@suse.de>
PR testsuite/26110
* lib/gdb.exp (gdb_init): Revert dejagnu's override of ::unknown.
(gdb_finish): Reinstall dejagnu's override of ::unknown.
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We add new arguments defined and aborted verisons for DECLARE_CSR to
support privileged versions controling in binutils. Therefore, the
rebuild-csr-xml.sh should be updated, too.
gdb/
* features/riscv/rebuild-csr-xml.sh: Updated.
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.gdb_index now supports Ada, so update the documentation to reflect
this.
gdb/doc/ChangeLog
2020-06-11 Tom Tromey <tromey@adacore.com>
* gdb.texinfo (Index Files): Reword. Remove Ada limitation.
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