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I was inspired by this patch of Simon's:
https://sourceware.org/pipermail/gdb-patches/2020-November/173522.html
... to remove other typedefs that are no longer necessary now that gdb
uses C++.
I didn't remove absolutely every one -- I didn't touch the tdep files.
However, I removed many of them. In some cases, I removed an existing
different struct tag.
2020-12-04 Tom Tromey <tromey@adacore.com>
* linespec.c (struct linespec_token): Rename; remove typedef.
* guile/scm-block.c (struct block_smob): Remove typedef.
(struct block_syms_progress_smob): Likewise.
* guile/scm-symbol.c (struct symbol_smob): Remove typedef.
* guile/scm-symtab.c (symtab_smob): Remove typedef.
(struct sal_smob): Remove typedef.
* guile/scm-param.c (struct param_smob): Remove typedef.
* guile/scm-progspace.c (struct pspace_smob): Rename.
* guile/scm-objfile.c (struct objfile_smob): Rename.
* guile/scm-iterator.c (struct iterator_smob): Rename.
* guile/scm-frame.c (struct frame_smob): Rename.
* guile/scm-arch.c (struct arch_smob): Rename.
* guile/scm-type.c (struct field_smob): Remove typedef.
(struct type_smob): Rename.
* guile/scm-cmd.c (struct command_smob): Remove typedef.
* guile/scm-ports.c (struct ioscm_memory_port): Remove typedef.
* guile/scm-value.c (struct value_smob): Remove typedef.
* guile/scm-lazy-string.c (lazy_string_smob): Remove typedef.
* guile/guile-internal.h (struct scheme_variable)
(struct scheme_function, struct scheme_integer_constant)
(struct gdb_smob, struct chained_gdb_smob)
(struct eqable_gdb_smob, arch_smob, frame_smob, iterator_smob)
(objfile_smob, pspace_smob, type_smob): Remove typedef.
* guile/scm-pretty-print.c (pretty_printer_smob): Remove typedef.
(struct pretty_printer_worker_smob): Remove typedef.
* guile/scm-exception.c (struct exception_smob): Remove typedef.
* python/py-block.c (struct block_object): Remove typedef.
(block_syms_iterator_object): Update.
(set_block): Update.
(block_syms_iterator_object): Remove typedef.
* python/py-inferior.c (struct membuf_object): Remove typedef.
* python/py-symtab.c (struct symtab_object): Remove typedef.
(set_symtab): Update.
(sal_object): Remove typedef.
(set_sal): Update.
* python/py-frame.c (frame_object): Remove typedef.
* python/py-record-btrace.c (struct btpy_list_object): Remove
typedef.
* python/py-arch.c (struct arch_object): Remove typedef.
* python/py-linetable.c (struct linetable_entry_object)
(linetable_object, struct ltpy_iterator_object): Remove typedef.
* python/py-events.h (eventregistry_object): Remove typedef.
(struct events_object): Remove typedef.
* python/python-internal.h (gdbpy_breakpoint_object): Remove
typedef.
(thread_object): Remove typedef.
* python/py-progspace.c (pspace_object): Remove typedef.
* python/py-value.c (struct value_object): Remove typedef.
* python/py-record.h (recpy_record_object): Remove typedef.
(struct recpy_element_object): Remove typedef.
* python/py-lazy-string.c (lazy_string_object): Remove typedef.
* python/py-objfile.c (objfile_object): Remove typedef.
* python/py-cmd.c (struct cmdpy_object): Remove typedef.
* python/py-type.c (type_object): Remove typedef.
(typy_iterator_object): Update.
(set_type): Update.
(field_object): Remove typedef.
(typy_iterator_object): Remove typedef.
* python/py-registers.c (register_descriptor_iterator_object):
Remove typedef.
(struct register_descriptor_object)
(struct reggroup_iterator_object, struct reggroup_object): Remove
typedef.
* python/py-record.c (recpy_gap_object): Remove typedef.
* python/py-symbol.c (symbol_object): Remove typedef.
(set_symbol): Update.
* python/py-event.h (event_object): Remove typedef.
* python/py-param.c (parmpy_object): Remove typedef.
* python/py-instruction.c (struct py_insn_obj): Remove typedef.
* python/py-unwind.c (struct pending_frame_object): Remove typedef.
(unwind_info_object, struct cached_frame_info): Likewise.
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I noticed that a few "#if"s could be removed from the Python code.
This patch is the result.
gdb/ChangeLog
2020-11-02 Tom Tromey <tromey@adacore.com>
* python/python.c: Consolidate two HAVE_PYTHON blocks.
(python_GdbModuleDef): Move earlier. Now static.
(do_start_initialization): Consolidate some IS_PY3K blocks.
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Many spots incorrectly use only spaces for indentation (for example,
there are a lot of spots in ada-lang.c). I've always found it awkward
when I needed to edit one of these spots: do I keep the original wrong
indentation, or do I fix it? What if the lines around it are also
wrong, do I fix them too? I probably don't want to fix them in the same
patch, to avoid adding noise to my patch.
So I propose to fix as much as possible once and for all (hopefully).
One typical counter argument for this is that it makes code archeology
more difficult, because git-blame will show this commit as the last
change for these lines. My counter counter argument is: when
git-blaming, you often need to do "blame the file at the parent commit"
anyway, to go past some other refactor that touched the line you are
interested in, but is not the change you are looking for. So you
already need a somewhat efficient way to do this.
Using some interactive tool, rather than plain git-blame, makes this
trivial. For example, I use "tig blame <file>", where going back past
the commit that changed the currently selected line is one keystroke.
It looks like Magit in Emacs does it too (though I've never used it).
Web viewers of Github and Gitlab do it too. My point is that it won't
really make archeology more difficult.
The other typical counter argument is that it will cause conflicts with
existing patches. That's true... but it's a one time cost, and those
are not conflicts that are difficult to resolve. I have also tried "git
rebase --ignore-whitespace", it seems to work well. Although that will
re-introduce the faulty indentation, so one needs to take care of fixing
the indentation in the patch after that (which is easy).
gdb/ChangeLog:
* aarch64-linux-tdep.c: Fix indentation.
* aarch64-ravenscar-thread.c: Fix indentation.
* aarch64-tdep.c: Fix indentation.
* aarch64-tdep.h: Fix indentation.
* ada-lang.c: Fix indentation.
* ada-lang.h: Fix indentation.
* ada-tasks.c: Fix indentation.
* ada-typeprint.c: Fix indentation.
* ada-valprint.c: Fix indentation.
* ada-varobj.c: Fix indentation.
* addrmap.c: Fix indentation.
* addrmap.h: Fix indentation.
* agent.c: Fix indentation.
* aix-thread.c: Fix indentation.
* alpha-bsd-nat.c: Fix indentation.
* alpha-linux-tdep.c: Fix indentation.
* alpha-mdebug-tdep.c: Fix indentation.
* alpha-nbsd-tdep.c: Fix indentation.
* alpha-obsd-tdep.c: Fix indentation.
* alpha-tdep.c: Fix indentation.
* amd64-bsd-nat.c: Fix indentation.
* amd64-darwin-tdep.c: Fix indentation.
* amd64-linux-nat.c: Fix indentation.
* amd64-linux-tdep.c: Fix indentation.
* amd64-nat.c: Fix indentation.
* amd64-obsd-tdep.c: Fix indentation.
* amd64-tdep.c: Fix indentation.
* amd64-windows-tdep.c: Fix indentation.
* annotate.c: Fix indentation.
* arc-tdep.c: Fix indentation.
* arch-utils.c: Fix indentation.
* arch/arm-get-next-pcs.c: Fix indentation.
* arch/arm.c: Fix indentation.
* arm-linux-nat.c: Fix indentation.
* arm-linux-tdep.c: Fix indentation.
* arm-nbsd-tdep.c: Fix indentation.
* arm-pikeos-tdep.c: Fix indentation.
* arm-tdep.c: Fix indentation.
* arm-tdep.h: Fix indentation.
* arm-wince-tdep.c: Fix indentation.
* auto-load.c: Fix indentation.
* auxv.c: Fix indentation.
* avr-tdep.c: Fix indentation.
* ax-gdb.c: Fix indentation.
* ax-general.c: Fix indentation.
* bfin-linux-tdep.c: Fix indentation.
* block.c: Fix indentation.
* block.h: Fix indentation.
* blockframe.c: Fix indentation.
* bpf-tdep.c: Fix indentation.
* break-catch-sig.c: Fix indentation.
* break-catch-syscall.c: Fix indentation.
* break-catch-throw.c: Fix indentation.
* breakpoint.c: Fix indentation.
* breakpoint.h: Fix indentation.
* bsd-uthread.c: Fix indentation.
* btrace.c: Fix indentation.
* build-id.c: Fix indentation.
* buildsym-legacy.h: Fix indentation.
* buildsym.c: Fix indentation.
* c-typeprint.c: Fix indentation.
* c-valprint.c: Fix indentation.
* c-varobj.c: Fix indentation.
* charset.c: Fix indentation.
* cli/cli-cmds.c: Fix indentation.
* cli/cli-decode.c: Fix indentation.
* cli/cli-decode.h: Fix indentation.
* cli/cli-script.c: Fix indentation.
* cli/cli-setshow.c: Fix indentation.
* coff-pe-read.c: Fix indentation.
* coffread.c: Fix indentation.
* compile/compile-cplus-types.c: Fix indentation.
* compile/compile-object-load.c: Fix indentation.
* compile/compile-object-run.c: Fix indentation.
* completer.c: Fix indentation.
* corefile.c: Fix indentation.
* corelow.c: Fix indentation.
* cp-abi.h: Fix indentation.
* cp-namespace.c: Fix indentation.
* cp-support.c: Fix indentation.
* cp-valprint.c: Fix indentation.
* cris-linux-tdep.c: Fix indentation.
* cris-tdep.c: Fix indentation.
* darwin-nat-info.c: Fix indentation.
* darwin-nat.c: Fix indentation.
* darwin-nat.h: Fix indentation.
* dbxread.c: Fix indentation.
* dcache.c: Fix indentation.
* disasm.c: Fix indentation.
* dtrace-probe.c: Fix indentation.
* dwarf2/abbrev.c: Fix indentation.
* dwarf2/attribute.c: Fix indentation.
* dwarf2/expr.c: Fix indentation.
* dwarf2/frame.c: Fix indentation.
* dwarf2/index-cache.c: Fix indentation.
* dwarf2/index-write.c: Fix indentation.
* dwarf2/line-header.c: Fix indentation.
* dwarf2/loc.c: Fix indentation.
* dwarf2/macro.c: Fix indentation.
* dwarf2/read.c: Fix indentation.
* dwarf2/read.h: Fix indentation.
* elfread.c: Fix indentation.
* eval.c: Fix indentation.
* event-top.c: Fix indentation.
* exec.c: Fix indentation.
* exec.h: Fix indentation.
* expprint.c: Fix indentation.
* f-lang.c: Fix indentation.
* f-typeprint.c: Fix indentation.
* f-valprint.c: Fix indentation.
* fbsd-nat.c: Fix indentation.
* fbsd-tdep.c: Fix indentation.
* findvar.c: Fix indentation.
* fork-child.c: Fix indentation.
* frame-unwind.c: Fix indentation.
* frame-unwind.h: Fix indentation.
* frame.c: Fix indentation.
* frv-linux-tdep.c: Fix indentation.
* frv-tdep.c: Fix indentation.
* frv-tdep.h: Fix indentation.
* ft32-tdep.c: Fix indentation.
* gcore.c: Fix indentation.
* gdb_bfd.c: Fix indentation.
* gdbarch.sh: Fix indentation.
* gdbarch.c: Re-generate
* gdbarch.h: Re-generate.
* gdbcore.h: Fix indentation.
* gdbthread.h: Fix indentation.
* gdbtypes.c: Fix indentation.
* gdbtypes.h: Fix indentation.
* glibc-tdep.c: Fix indentation.
* gnu-nat.c: Fix indentation.
* gnu-nat.h: Fix indentation.
* gnu-v2-abi.c: Fix indentation.
* gnu-v3-abi.c: Fix indentation.
* go32-nat.c: Fix indentation.
* guile/guile-internal.h: Fix indentation.
* guile/scm-cmd.c: Fix indentation.
* guile/scm-frame.c: Fix indentation.
* guile/scm-iterator.c: Fix indentation.
* guile/scm-math.c: Fix indentation.
* guile/scm-ports.c: Fix indentation.
* guile/scm-pretty-print.c: Fix indentation.
* guile/scm-value.c: Fix indentation.
* h8300-tdep.c: Fix indentation.
* hppa-linux-nat.c: Fix indentation.
* hppa-linux-tdep.c: Fix indentation.
* hppa-nbsd-nat.c: Fix indentation.
* hppa-nbsd-tdep.c: Fix indentation.
* hppa-obsd-nat.c: Fix indentation.
* hppa-tdep.c: Fix indentation.
* hppa-tdep.h: Fix indentation.
* i386-bsd-nat.c: Fix indentation.
* i386-darwin-nat.c: Fix indentation.
* i386-darwin-tdep.c: Fix indentation.
* i386-dicos-tdep.c: Fix indentation.
* i386-gnu-nat.c: Fix indentation.
* i386-linux-nat.c: Fix indentation.
* i386-linux-tdep.c: Fix indentation.
* i386-nto-tdep.c: Fix indentation.
* i386-obsd-tdep.c: Fix indentation.
* i386-sol2-nat.c: Fix indentation.
* i386-tdep.c: Fix indentation.
* i386-tdep.h: Fix indentation.
* i386-windows-tdep.c: Fix indentation.
* i387-tdep.c: Fix indentation.
* i387-tdep.h: Fix indentation.
* ia64-libunwind-tdep.c: Fix indentation.
* ia64-libunwind-tdep.h: Fix indentation.
* ia64-linux-nat.c: Fix indentation.
* ia64-linux-tdep.c: Fix indentation.
* ia64-tdep.c: Fix indentation.
* ia64-tdep.h: Fix indentation.
* ia64-vms-tdep.c: Fix indentation.
* infcall.c: Fix indentation.
* infcmd.c: Fix indentation.
* inferior.c: Fix indentation.
* infrun.c: Fix indentation.
* iq2000-tdep.c: Fix indentation.
* language.c: Fix indentation.
* linespec.c: Fix indentation.
* linux-fork.c: Fix indentation.
* linux-nat.c: Fix indentation.
* linux-tdep.c: Fix indentation.
* linux-thread-db.c: Fix indentation.
* lm32-tdep.c: Fix indentation.
* m2-lang.c: Fix indentation.
* m2-typeprint.c: Fix indentation.
* m2-valprint.c: Fix indentation.
* m32c-tdep.c: Fix indentation.
* m32r-linux-tdep.c: Fix indentation.
* m32r-tdep.c: Fix indentation.
* m68hc11-tdep.c: Fix indentation.
* m68k-bsd-nat.c: Fix indentation.
* m68k-linux-nat.c: Fix indentation.
* m68k-linux-tdep.c: Fix indentation.
* m68k-tdep.c: Fix indentation.
* machoread.c: Fix indentation.
* macrocmd.c: Fix indentation.
* macroexp.c: Fix indentation.
* macroscope.c: Fix indentation.
* macrotab.c: Fix indentation.
* macrotab.h: Fix indentation.
* main.c: Fix indentation.
* mdebugread.c: Fix indentation.
* mep-tdep.c: Fix indentation.
* mi/mi-cmd-catch.c: Fix indentation.
* mi/mi-cmd-disas.c: Fix indentation.
* mi/mi-cmd-env.c: Fix indentation.
* mi/mi-cmd-stack.c: Fix indentation.
* mi/mi-cmd-var.c: Fix indentation.
* mi/mi-cmds.c: Fix indentation.
* mi/mi-main.c: Fix indentation.
* mi/mi-parse.c: Fix indentation.
* microblaze-tdep.c: Fix indentation.
* minidebug.c: Fix indentation.
* minsyms.c: Fix indentation.
* mips-linux-nat.c: Fix indentation.
* mips-linux-tdep.c: Fix indentation.
* mips-nbsd-tdep.c: Fix indentation.
* mips-tdep.c: Fix indentation.
* mn10300-linux-tdep.c: Fix indentation.
* mn10300-tdep.c: Fix indentation.
* moxie-tdep.c: Fix indentation.
* msp430-tdep.c: Fix indentation.
* namespace.h: Fix indentation.
* nat/fork-inferior.c: Fix indentation.
* nat/gdb_ptrace.h: Fix indentation.
* nat/linux-namespaces.c: Fix indentation.
* nat/linux-osdata.c: Fix indentation.
* nat/netbsd-nat.c: Fix indentation.
* nat/x86-dregs.c: Fix indentation.
* nbsd-nat.c: Fix indentation.
* nbsd-tdep.c: Fix indentation.
* nios2-linux-tdep.c: Fix indentation.
* nios2-tdep.c: Fix indentation.
* nto-procfs.c: Fix indentation.
* nto-tdep.c: Fix indentation.
* objfiles.c: Fix indentation.
* objfiles.h: Fix indentation.
* opencl-lang.c: Fix indentation.
* or1k-tdep.c: Fix indentation.
* osabi.c: Fix indentation.
* osabi.h: Fix indentation.
* osdata.c: Fix indentation.
* p-lang.c: Fix indentation.
* p-typeprint.c: Fix indentation.
* p-valprint.c: Fix indentation.
* parse.c: Fix indentation.
* ppc-linux-nat.c: Fix indentation.
* ppc-linux-tdep.c: Fix indentation.
* ppc-nbsd-nat.c: Fix indentation.
* ppc-nbsd-tdep.c: Fix indentation.
* ppc-obsd-nat.c: Fix indentation.
* ppc-ravenscar-thread.c: Fix indentation.
* ppc-sysv-tdep.c: Fix indentation.
* ppc64-tdep.c: Fix indentation.
* printcmd.c: Fix indentation.
* proc-api.c: Fix indentation.
* producer.c: Fix indentation.
* producer.h: Fix indentation.
* prologue-value.c: Fix indentation.
* prologue-value.h: Fix indentation.
* psymtab.c: Fix indentation.
* python/py-arch.c: Fix indentation.
* python/py-bpevent.c: Fix indentation.
* python/py-event.c: Fix indentation.
* python/py-event.h: Fix indentation.
* python/py-finishbreakpoint.c: Fix indentation.
* python/py-frame.c: Fix indentation.
* python/py-framefilter.c: Fix indentation.
* python/py-inferior.c: Fix indentation.
* python/py-infthread.c: Fix indentation.
* python/py-objfile.c: Fix indentation.
* python/py-prettyprint.c: Fix indentation.
* python/py-registers.c: Fix indentation.
* python/py-signalevent.c: Fix indentation.
* python/py-stopevent.c: Fix indentation.
* python/py-stopevent.h: Fix indentation.
* python/py-threadevent.c: Fix indentation.
* python/py-tui.c: Fix indentation.
* python/py-unwind.c: Fix indentation.
* python/py-value.c: Fix indentation.
* python/py-xmethods.c: Fix indentation.
* python/python-internal.h: Fix indentation.
* python/python.c: Fix indentation.
* ravenscar-thread.c: Fix indentation.
* record-btrace.c: Fix indentation.
* record-full.c: Fix indentation.
* record.c: Fix indentation.
* reggroups.c: Fix indentation.
* regset.h: Fix indentation.
* remote-fileio.c: Fix indentation.
* remote.c: Fix indentation.
* reverse.c: Fix indentation.
* riscv-linux-tdep.c: Fix indentation.
* riscv-ravenscar-thread.c: Fix indentation.
* riscv-tdep.c: Fix indentation.
* rl78-tdep.c: Fix indentation.
* rs6000-aix-tdep.c: Fix indentation.
* rs6000-lynx178-tdep.c: Fix indentation.
* rs6000-nat.c: Fix indentation.
* rs6000-tdep.c: Fix indentation.
* rust-lang.c: Fix indentation.
* rx-tdep.c: Fix indentation.
* s12z-tdep.c: Fix indentation.
* s390-linux-tdep.c: Fix indentation.
* score-tdep.c: Fix indentation.
* ser-base.c: Fix indentation.
* ser-mingw.c: Fix indentation.
* ser-uds.c: Fix indentation.
* ser-unix.c: Fix indentation.
* serial.c: Fix indentation.
* sh-linux-tdep.c: Fix indentation.
* sh-nbsd-tdep.c: Fix indentation.
* sh-tdep.c: Fix indentation.
* skip.c: Fix indentation.
* sol-thread.c: Fix indentation.
* solib-aix.c: Fix indentation.
* solib-darwin.c: Fix indentation.
* solib-frv.c: Fix indentation.
* solib-svr4.c: Fix indentation.
* solib.c: Fix indentation.
* source.c: Fix indentation.
* sparc-linux-tdep.c: Fix indentation.
* sparc-nbsd-tdep.c: Fix indentation.
* sparc-obsd-tdep.c: Fix indentation.
* sparc-ravenscar-thread.c: Fix indentation.
* sparc-tdep.c: Fix indentation.
* sparc64-linux-tdep.c: Fix indentation.
* sparc64-nbsd-tdep.c: Fix indentation.
* sparc64-obsd-tdep.c: Fix indentation.
* sparc64-tdep.c: Fix indentation.
* stabsread.c: Fix indentation.
* stack.c: Fix indentation.
* stap-probe.c: Fix indentation.
* stubs/ia64vms-stub.c: Fix indentation.
* stubs/m32r-stub.c: Fix indentation.
* stubs/m68k-stub.c: Fix indentation.
* stubs/sh-stub.c: Fix indentation.
* stubs/sparc-stub.c: Fix indentation.
* symfile-mem.c: Fix indentation.
* symfile.c: Fix indentation.
* symfile.h: Fix indentation.
* symmisc.c: Fix indentation.
* symtab.c: Fix indentation.
* symtab.h: Fix indentation.
* target-float.c: Fix indentation.
* target.c: Fix indentation.
* target.h: Fix indentation.
* tic6x-tdep.c: Fix indentation.
* tilegx-linux-tdep.c: Fix indentation.
* tilegx-tdep.c: Fix indentation.
* top.c: Fix indentation.
* tracefile-tfile.c: Fix indentation.
* tracepoint.c: Fix indentation.
* tui/tui-disasm.c: Fix indentation.
* tui/tui-io.c: Fix indentation.
* tui/tui-regs.c: Fix indentation.
* tui/tui-stack.c: Fix indentation.
* tui/tui-win.c: Fix indentation.
* tui/tui-winsource.c: Fix indentation.
* tui/tui.c: Fix indentation.
* typeprint.c: Fix indentation.
* ui-out.h: Fix indentation.
* unittests/copy_bitwise-selftests.c: Fix indentation.
* unittests/memory-map-selftests.c: Fix indentation.
* utils.c: Fix indentation.
* v850-tdep.c: Fix indentation.
* valarith.c: Fix indentation.
* valops.c: Fix indentation.
* valprint.c: Fix indentation.
* valprint.h: Fix indentation.
* value.c: Fix indentation.
* value.h: Fix indentation.
* varobj.c: Fix indentation.
* vax-tdep.c: Fix indentation.
* windows-nat.c: Fix indentation.
* windows-tdep.c: Fix indentation.
* xcoffread.c: Fix indentation.
* xml-syscall.c: Fix indentation.
* xml-tdesc.c: Fix indentation.
* xstormy16-tdep.c: Fix indentation.
* xtensa-config.c: Fix indentation.
* xtensa-linux-nat.c: Fix indentation.
* xtensa-linux-tdep.c: Fix indentation.
* xtensa-tdep.c: Fix indentation.
gdbserver/ChangeLog:
* ax.cc: Fix indentation.
* dll.cc: Fix indentation.
* inferiors.h: Fix indentation.
* linux-low.cc: Fix indentation.
* linux-nios2-low.cc: Fix indentation.
* linux-ppc-ipa.cc: Fix indentation.
* linux-ppc-low.cc: Fix indentation.
* linux-x86-low.cc: Fix indentation.
* linux-xtensa-low.cc: Fix indentation.
* regcache.cc: Fix indentation.
* server.cc: Fix indentation.
* tracepoint.cc: Fix indentation.
gdbsupport/ChangeLog:
* common-exceptions.h: Fix indentation.
* event-loop.cc: Fix indentation.
* fileio.cc: Fix indentation.
* filestuff.cc: Fix indentation.
* gdb-dlfcn.cc: Fix indentation.
* gdb_string_view.h: Fix indentation.
* job-control.cc: Fix indentation.
* signals.cc: Fix indentation.
Change-Id: I4bad7ae6be0fbe14168b8ebafb98ffe14964a695
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The previous patch made it possible to define a condition if it's
valid at some locations. If the condition is invalid at all of the
locations, it's rejected. However, there may be cases where the user
knows the condition *will* be valid at a location in the future,
e.g. due to a shared library load.
To make it possible that such condition can be defined, this patch
adds an optional '-force' flag to the 'condition' command, and,
respectively, a '-force-condition' flag to the 'break'command. When
the force flag is passed, the condition is not rejected even when it
is invalid for all the current locations (note that all the locations
would be internally disabled in this case).
For instance:
(gdb) break test.c:5
Breakpoint 1 at 0x1155: file test.c, line 5.
(gdb) cond 1 foo == 42
No symbol "foo" in current context.
Defining the condition was not possible because 'foo' is not
available. The user can override this behavior with the '-force'
flag:
(gdb) cond -force 1 foo == 42
warning: failed to validate condition at location 1.1, disabling:
No symbol "foo" in current context.
(gdb) info breakpoints
Num Type Disp Enb Address What
1 breakpoint keep y <MULTIPLE>
stop only if foo == 42
1.1 N 0x0000000000001155 in main at test.c:5
Now the condition is accepted, but the location is automatically
disabled. If a future location has a context in which 'foo' is
available, that location would be enabled.
For the 'break' command, -force-condition has the same result:
(gdb) break test.c:5 -force-condition if foo == 42
warning: failed to validate condition at location 0x1169, disabling:
No symbol "foo" in current context.
Breakpoint 1 at 0x1169: file test.c, line 5.
gdb/ChangeLog:
2020-10-27 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* breakpoint.h (set_breakpoint_condition): Add a new bool parameter.
* breakpoint.c: Update the help text of the 'condition' and 'break'
commands.
(set_breakpoint_condition): Take a new bool parameter
to control whether condition definition should be forced even when
the condition expression is invalid in all of the current locations.
(condition_command): Update the call to 'set_breakpoint_condition'.
(find_condition_and_thread): Take the "-force-condition" flag into
account.
* linespec.c (linespec_keywords): Add "-force-condition" as an
element.
(FORCE_KEYWORD_INDEX): New #define.
(linespec_lexer_lex_keyword): Update to consider "-force-condition"
as a keyword.
* ada-lang.c (create_ada_exception_catchpoint): Ditto.
* guile/scm-breakpoint.c (gdbscm_set_breakpoint_condition_x): Ditto.
* python/py-breakpoint.c (bppy_set_condition): Ditto.
* NEWS: Mention the changes to the 'break' and 'condition' commands.
gdb/testsuite/ChangeLog:
2020-10-27 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdb.base/condbreak-multi-context.exp: Expand to test forcing
the condition.
* gdb.linespec/cpcompletion.exp: Update to consider the
'-force-condition' keyword.
* gdb.linespec/explicit.exp: Ditto.
* lib/completion-support.exp: Ditto.
gdb/doc/ChangeLog:
2020-10-27 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdb.texinfo (Set Breaks): Document the '-force-condition' flag
of the 'break'command.
* gdb.texinfo (Conditions): Document the '-force' flag of the
'condition' command.
|
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This removes the target_has_registers object-like macro, replacing it
with the underlying function.
gdb/ChangeLog
2020-09-28 Tom Tromey <tom@tromey.com>
* tui/tui-regs.c (tui_get_register)
(tui_data_window::show_registers): Update.
* thread.c (scoped_restore_current_thread::restore)
(scoped_restore_current_thread::scoped_restore_current_thread):
Update.
* regcache-dump.c (regcache_print): Update.
* python/py-finishbreakpoint.c (bpfinishpy_detect_out_scope_cb):
Update.
* mi/mi-main.c (mi_cmd_data_write_register_values): Update.
* mep-tdep.c (current_me_module, current_options): Update.
* linux-thread-db.c (thread_db_load): Update.
* infcmd.c (registers_info, info_vector_command)
(info_float_command): Update.
* ia64-tdep.c (ia64_frame_prev_register)
(ia64_sigtramp_frame_prev_register): Update.
* ia64-libunwind-tdep.c (libunwind_frame_prev_register): Update.
* gcore.c (derive_stack_segment): Update.
* frame.c (get_current_frame, has_stack_frames): Update.
* findvar.c (language_defn::read_var_value): Update.
* arm-tdep.c (arm_pc_is_thumb): Update.
* target.c (target_has_registers): Rename from
target_has_registers_1.
* target.h (target_has_registers): Remove macro.
(target_has_registers): Rename from target_has_registers_1.
|
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This changes tui_py_window to create an inner curses window. This
greatly simplifies tui_py_window::output, beacuse it no longer needs
to be careful to avoid overwriting the window's border. This patch
also makes it a bit easier for a later patch to rewrite
tui_copy_source_line.
gdb/ChangeLog
2020-09-27 Tom Tromey <tom@tromey.com>
* python/py-tui.c (class tui_py_window) <refresh_window>: New
method.
<erase>: Update.
<cursor_x, cursor_y>: Remove.
<m_inner_window>: New member.
(tui_py_window::rerender): Create inner window.
(tui_py_window::output): Write to inner window.
|
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This changes create_copied_types_hash to return an htab_up, then
modifies the callers to avoid explicit use of htab_delete.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* value.c (preserve_values): Update.
* python/py-type.c (save_objfile_types): Update.
* guile/scm-type.c (save_objfile_types): Update.
* gdbtypes.h (create_copied_types_hash): Return htab_up.
* gdbtypes.c (create_copied_types_hash): Return htab_up.
* compile/compile-object-run.c (compile_object_run): Update.
|
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Avoid the use of PyInt_FromLong, preferring gdb_py_object_from_longest
instead. I found found another spot that was incorrectly handling
errors (see gdbpy_create_ptid_object) while writing this patch; it is
fixed here.
gdb/ChangeLog
2020-09-15 Tom Tromey <tromey@adacore.com>
* python/python-internal.h (PyInt_FromLong): Remove define.
* python/py-value.c (convert_value_from_python): Use
gdb_py_object_from_longest.
* python/py-type.c (typy_get_code): Use
gdb_py_object_from_longest.
* python/py-symtab.c (salpy_get_line): Use
gdb_py_object_from_longest.
* python/py-symbol.c (sympy_get_addr_class, sympy_line): Use
gdb_py_object_from_longest.
* python/py-record.c (recpy_gap_reason_code): Use
gdb_py_object_from_longest.
* python/py-record-btrace.c (recpy_bt_insn_size)
(recpy_bt_func_level, btpy_list_count): Use
gdb_py_object_from_longest.
* python/py-infthread.c (gdbpy_create_ptid_object): Use
gdb_py_object_from_longest. Fix error handling.
* python/py-framefilter.c (bootstrap_python_frame_filters): Use
gdb_py_object_from_longest.
* python/py-frame.c (frapy_type, frapy_unwind_stop_reason): Use
gdb_py_object_from_longest.
* python/py-breakpoint.c (bppy_get_type, bppy_get_number)
(bppy_get_thread, bppy_get_task, bppy_get_hit_count)
(bppy_get_ignore_count): Use gdb_py_object_from_longest.
|
|
This changes gdb to avoid PyLong_FromUnsignedLong, preferring
gdb_py_object_from_ulongest instead.
gdb/ChangeLog
2020-09-15 Tom Tromey <tromey@adacore.com>
* python/python.c (gdbpy_parameter_value): Use
gdb_py_object_from_ulongest.
|
|
This changes gdb to avoid PyLong_FromLongLong, preferring to use
gdb_py_object_from_longest instead.
gdb/ChangeLog
2020-09-15 Tom Tromey <tromey@adacore.com>
* python/py-infevents.c (create_register_changed_event_object):
Use gdb_py_object_from_longest.
* python/py-exitedevent.c (create_exited_event_object): Use
gdb_py_object_from_longest.
|
|
This changes gdb to avoid PyLong_FromLong, preferring to
gdb_py_object_from_longest instead.
gdb/ChangeLog
2020-09-15 Tom Tromey <tromey@adacore.com>
* python/python.c (gdbpy_parameter_value): Use
gdb_py_object_from_longest.
* python/py-type.c (convert_field, typy_range): Use
gdb_py_object_from_longest.
* python/py-tui.c (gdbpy_tui_width, gdbpy_tui_height): Use
gdb_py_object_from_longest.
* python/py-lazy-string.c (stpy_get_length): Use
gdb_py_object_from_longest.
* python/py-infthread.c (thpy_get_num, thpy_get_global_num): Use
gdb_py_object_from_longest.
* python/py-infevents.c (create_memory_changed_event_object): Use
gdb_py_object_from_longest.
* python/py-inferior.c (infpy_get_num): Use
gdb_py_object_from_longest.
(infpy_get_pid): Likewise.
|
|
Remove the gdb_py_long_from_ulongest defines and change the Python
layer to prefer gdb_py_object_from_ulongest. While writing this I
noticed that the error handling in archpy_disassemble was incorrect --
it could call PyDict_SetItemString with a NULL value. This patch also
fixes this bug.
gdb/ChangeLog
2020-09-15 Tom Tromey <tromey@adacore.com>
* python/python-internal.h (gdb_py_long_from_ulongest): Remove
defines.
* python/py-value.c (valpy_long): Use
gdb_py_object_from_ulongest.
* python/py-symtab.c (salpy_get_pc): Use
gdb_py_object_from_ulongest.
(salpy_get_last): Likewise.
* python/py-record-btrace.c (recpy_bt_insn_pc): Use
gdb_py_object_from_ulongest.
* python/py-lazy-string.c (stpy_get_address): Use
gdb_py_object_from_ulongest.
* python/py-frame.c (frapy_pc): Use gdb_py_object_from_ulongest.
* python/py-arch.c (archpy_disassemble): Use
gdb_py_object_from_ulongest and gdb_py_object_from_longest. Fix
error handling.
|
|
Change the Python layer to avoid gdb_py_long_from_longest, and remove
the defines.
gdb/ChangeLog
2020-09-15 Tom Tromey <tromey@adacore.com>
* python/python-internal.h (gdb_py_long_from_longest): Remove
defines.
* python/py-value.c (valpy_long): Use gdb_py_object_from_longest.
* python/py-type.c (convert_field, typy_get_sizeof): Use
gdb_py_object_from_longest.
* python/py-record-btrace.c (btpy_list_index): Use
gdb_py_object_from_longest.
|
|
Change the Python layer to avoid PyInt_FromSsize_t, and remove the
compatibility define.
gdb/ChangeLog
2020-09-15 Tom Tromey <tromey@adacore.com>
* python/python-internal.h (PyInt_FromSsize_t): Remove define.
* python/py-record.c (recpy_element_number): Use
gdb_py_object_from_longest.
(recpy_gap_number): Likewise.
|
|
gdb/ChangeLog:
* gdbtypes.h (TYPE_STUB): Remove, replace all
uses with type::is_stub.
Change-Id: Iec25b50449a0d10a38f815209e478c343e98632c
|
|
gdb/ChangeLog:
* gdbtypes.h (TYPE_UNSIGNED): Remove, replace all uses with
type::is_unsigned.
Change-Id: I84f76f5cd44ff7294e421d317376a9e476bc8666
|
|
An internal test failed on a riscv64-elf cross build because
Inferior.search_memory returned a negative value. I tracked this down
to to use of PyLong_FromLong in infpy_search_memory. Then, I looked
at other conversions of CORE_ADDR to Python and fixed these as well.
I don't think there is a good way to write a test for this.
gdb/ChangeLog
2020-08-17 Tom Tromey <tromey@adacore.com>
* python/py-inferior.c (infpy_search_memory): Use
gdb_py_object_from_ulongest.
* python/py-infevents.c (create_inferior_call_event_object)
(create_memory_changed_event_object): Use
gdb_py_object_from_ulongest.
* python/py-linetable.c (ltpy_entry_get_pc): Use
gdb_py_object_from_ulongest.
|
|
This commit unifies all of the Python register lookup code (used by
Frame.read_register, PendingFrame.read_register, and
gdb.UnwindInfo.add_saved_register), and adds support for using a
gdb.RegisterDescriptor for register lookup.
Currently the register unwind code (PendingFrame and UnwindInfo) allow
registers to be looked up either by name, or by GDB's internal
number. I suspect the number was added for performance reasons, when
unwinding we don't want to repeatedly map from name to number for
every unwind. However, this kind-of sucks, it means Python scripts
could include GDB's internal register numbers, and if we ever change
this numbering in the future users scripts will break in unexpected
ways.
Meanwhile, the Frame.read_register method only supports accessing
registers using a string, the register name.
This commit unifies all of the register to register-number lookup code
in our Python bindings, and adds a third choice into the mix, the use
of gdb.RegisterDescriptor.
The register descriptors can be looked up by name, but once looked up,
they contain GDB's register number, and so provide all of the
performance benefits of using a register number directly. However, as
they are looked up by name we are no longer tightly binding the Python
API to GDB's internal numbering scheme.
As we may already have scripts in the wild that are using the register
numbers directly I have kept support for this in the API, but I have
listed this method last in the manual, and I have tried to stress that
this is NOT a good method to use and that users should use either a
string or register descriptor approach.
After this commit all existing Python code should function as before,
but users now have new options for how to identify registers.
gdb/ChangeLog:
* python/py-frame.c: Remove 'user-regs.h' include.
(frapy_read_register): Rewrite to make use of
gdbpy_parse_register_id.
* python/py-registers.c (gdbpy_parse_register_id): New function,
moved here from python/py-unwind.c. Updated the return type, and
also accepts register descriptor objects.
* python/py-unwind.c: Remove 'user-regs.h' include.
(pyuw_parse_register_id): Moved to python/py-registers.c.
(unwind_infopy_add_saved_register): Update to use
gdbpy_parse_register_id.
(pending_framepy_read_register): Likewise.
* python/python-internal.h (gdbpy_parse_register_id): Declare.
gdb/testsuite/ChangeLog:
* gdb.python/py-unwind.py: Update to make use of a register
descriptor.
gdb/doc/ChangeLog:
* python.texi (Unwinding Frames in Python): Update descriptions
for PendingFrame.read_register and
gdb.UnwindInfo.add_saved_register.
(Frames In Python): Update description of Frame.read_register.
|
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Adds a new method 'find' to the gdb.RegisterDescriptorIterator class,
this allows gdb.RegisterDescriptor objects to be looked up directly by
register name rather than having to iterate over all registers.
This will be of use for a later commit.
I've documented the new function in the manual, but I don't think a
NEWS entry is required here, as, since the last release, the whole
register descriptor mechanism is new, and is already mentioned in the
NEWS file.
gdb/ChangeLog:
* python/py-registers.c: Add 'user-regs.h' include.
(register_descriptor_iter_find): New function.
(register_descriptor_iterator_object_methods): New static global
methods array.
(register_descriptor_iterator_object_type): Add pointer to methods
array.
gdb/testsuite/ChangeLog:
* gdb.python/py-arch-reg-names.exp: Add additional tests.
gdb/doc/ChangeLog:
* python.texi (Registers In Python): Document new find function.
|
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Pedro's review comments arrived after I'd already committed this
change:
commit f7306dac19c502232f766c3881313857915f330d
Date: Tue Jul 7 15:00:30 2020 +0100
gdb/python: Reuse gdb.RegisterDescriptor objects where possible
See:
https://sourceware.org/pipermail/gdb-patches/2020-July/170726.html
There should be no user visible changes after this commit.
gdb/ChangeLog:
* python/py-registers.c (gdbpy_register_object_data_init): Remove
redundant local variable.
(gdbpy_get_register_descriptor): Extract descriptor vector as a
reference, not pointer, update code accordingly.
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Only create one gdb.RegisterGroup Python object for each of GDB's
reggroup objects.
I could have added a field into the reggroup object to hold the Python
object pointer for each reggroup, however, as reggroups are never
deleted within GDB, and are global (not per-architecture) a simpler
solution seemed to be just to hold a single global map from reggroup
pointer to a Python object representing the reggroup. Then we can
reuse the objects out of this map.
After this commit it is possible for a user to tell that two
gdb.RegisterGroup objects are now identical when previously they were
unique, however, as both these objects are read-only I don't think
this should be a problem.
There should be no other user visible changes after this commit.
gdb/ChangeLog:
* python/py-registers.c : Add 'unordered_map' include.
(gdbpy_new_reggroup): Renamed to...
(gdbpy_get_reggroup): ...this. Update to only create register
group descriptors when needed.
(gdbpy_reggroup_iter_next): Update.
gdb/testsuite/ChangeLog:
* gdb.python/py-arch-reg-groups.exp: Additional tests.
|
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Instead of having the gdb.RegisterDescriptorIterator creating new
gdb.RegisterDescriptor objects for each regnum, instead cache
gdb.RegisterDescriptor objects on the gdbarch object and reuse these.
This means that for every gdbarch/regnum pair there is a single unique
gdb.RegisterDescriptor, this feels like a neater implementation than
the existing one.
It is possible for a user to see (in Python code) that the descriptors
are now identical, but as the descriptors are read-only this should
make no real difference.
There should be no other user visible changes.
gdb/ChangeLog:
* python/py-registers.c (gdbpy_register_object_data): New static
global.
(gdbpy_register_object_data_init): New function.
(gdbpy_new_register_descriptor): Renamed to...
(gdbpy_get_register_descriptor): ...this, and update to reuse
existing register descriptors where possible.
(gdbpy_register_descriptor_iter_next): Update.
(gdbpy_initialize_registers): Register new gdbarch data.
gdb/testsuite/ChangeLog:
* gdb.python/py-arch-reg-names.exp: Additional tests.
|
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Getting the bounds of an array (or string) type is a common operation,
and is currently done through its index type:
my_array_type->index_type ()->bounds ()
I think it would make sense to let the `type::bounds` methods work for
arrays and strings, as a shorthand for this. It's natural that when
asking for the bounds of an array, we get the bounds of the range type
used as its index type. In a way, it's equivalent as the now-removed
TYPE_ARRAY_{LOWER,UPPER}_BOUND_IS_UNDEFINED and
TYPE_ARRAY_{LOWER,UPPER}_BOUND_VALUE, except it returns the
`range_bounds` object. The caller is then responsible for getting the
property it needs in it.
I updated all the spots I could find that could take advantage of this.
Note that this also makes `type::bit_stride` work on array types, since
`type::bit_stride` uses `type::bounds`. `my_array_type->bit_stride ()`
now returns the bit stride of the array's index type. So some spots
are also changed to take advantage of this.
gdb/ChangeLog:
* gdbtypes.h (struct type) <bounds>: Handle array and string
types.
* ada-lang.c (assign_aggregate): Use type::bounds on
array/string type.
* c-typeprint.c (c_type_print_varspec_suffix): Likewise.
* c-varobj.c (c_number_of_children): Likewise.
(c_describe_child): Likewise.
* eval.c (evaluate_subexp_for_sizeof): Likewise.
* f-typeprint.c (f_type_print_varspec_suffix): Likewise.
(f_type_print_base): Likewise.
* f-valprint.c (f77_array_offset_tbl): Likewise.
(f77_get_upperbound): Likewise.
(f77_print_array_1): Likewise.
* guile/scm-type.c (gdbscm_type_range): Likewise.
* m2-typeprint.c (m2_array): Likewise.
(m2_is_long_set_of_type): Likewise.
* m2-valprint.c (get_long_set_bounds): Likewise.
* p-typeprint.c (pascal_type_print_varspec_prefix): Likewise.
* python/py-type.c (typy_range): Likewise.
* rust-lang.c (rust_internal_print_type): Likewise.
* type-stack.c (type_stack::follow_types): Likewise.
* valarith.c (value_subscripted_rvalue): Likewise.
* valops.c (value_cast): Likewise.
Change-Id: I5c0c08930bffe42fd69cb4bfcece28944dd88d1f
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Remove the macros, use the getters of `struct dynamic_prop` instead.
gdb/ChangeLog:
* gdbtypes.h (TYPE_LOW_BOUND, TYPE_HIGH_BOUND): Remove. Update
all callers to use type::range_bounds followed by
dynamic_prop::{low,high}.
Change-Id: I31beeed65d94d81ac4f999244a8b859e2ee961d1
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Add a new method gdb.Architecture.register_groups which returns a new
object of type gdb.RegisterGroupsIterator. This new iterator then
returns objects of type gdb.RegisterGroup.
Each gdb.RegisterGroup object just wraps a single reggroup pointer,
and (currently) has just one read-only property 'name' that is a
string, the name of the register group.
As with the previous commit (adding gdb.RegisterDescriptor) I made
gdb.RegisterGroup an object rather than just a string in case we want
to add additional properties in the future.
gdb/ChangeLog:
* NEWS: Mention additions to Python API.
* python/py-arch.c (archpy_register_groups): New function.
(arch_object_methods): Add 'register_groups' method.
* python/py-registers.c (reggroup_iterator_object): New struct.
(reggroup_object): New struct.
(gdbpy_new_reggroup): New function.
(gdbpy_reggroup_to_string): New function.
(gdbpy_reggroup_name): New function.
(gdbpy_reggroup_iter): New function.
(gdbpy_reggroup_iter_next): New function.
(gdbpy_new_reggroup_iterator): New function
(gdbpy_initialize_registers): Register new types.
(reggroup_iterator_object_type): Define new Python type.
(gdbpy_reggroup_getset): New static global.
(reggroup_object_type): Define new Python type.
* python/python-internal.h
gdb/testsuite/ChangeLog:
* gdb.python/py-arch-reg-groups.exp: New file.
gdb/doc/ChangeLog:
* gdb.texi (Registers): Add @anchor for 'info registers
<reggroup>' command.
* python.texi (Architectures In Python): Document new
register_groups method.
(Registers In Python): Document two new object types related to
register groups.
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This commit adds a new method gdb.Architecture.registers that returns
an object of the new type gdb.RegisterDescriptorIterator. This
iterator returns objects of the new type gdb.RegisterDescriptor.
A RegisterDescriptor is not a way to read the value of a register,
this is already covered by Frame.read_register, a RegisterDescriptor
is simply a way to discover from Python, which registers are
available for a given architecture.
I did consider just returning a string, the name of each register,
instead of a RegisterDescriptor, however, I'm aware that it we don't
want to break the existing Python API in any way, so if I return just
a string now, but in the future we want more information about a
register then we would have to add a second API to get that
information. By going straight to a descriptor object now, it is easy
to add additional properties in the future should we wish to.
Right now the only property of a register that a user can access is
the name of the register.
In future we might want to be able to ask the register about is
register groups, or its type.
gdb/ChangeLog:
* Makefile.in (SUBDIR_PYTHON_SRCS): Add py-registers.c
* python/py-arch.c (archpy_registers): New function.
(arch_object_methods): Add 'registers' method.
* python/py-registers.c: New file.
* python/python-internal.h
(gdbpy_new_register_descriptor_iterator): Declare.
(gdbpy_initialize_registers): Declare.
* python/python.c (do_start_initialization): Call
gdbpy_initialize_registers.
* NEWS: Mention additions to the Python API.
gdb/testsuite/ChangeLog:
* gdb.python/py-arch-reg-names.exp: New file.
gdb/doc/ChangeLog:
* python.texi (Python API): Add new section the menu.
(Frames In Python): Add new @anchor.
(Architectures In Python): Document new registers method.
(Registers In Python): New section.
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It could be useful to determine the architecture of a frame being
unwound during the frame unwind process, that is, before we have a
gdb.Frame, but when we only have a gdb.PendingFrame.
The PendingFrame already has a pointer to the gdbarch internally, this
commit just exposes an 'architecture' method to Python, and has this
return a gdb.Architecture object (list gdb.Frame.architecture does).
gdb/ChangeLog:
* NEWS: Mention new Python API method.
* python/py-unwind.c (pending_framepy_architecture): New function.
(pending_frame_object_methods): Add architecture method.
gdb/testsuite/ChangeLog:
* gdb.python/py-unwind.py (TestUnwinder::__call__): Add test for
gdb.PendingFrame.architecture method.
gdb/doc/ChangeLog:
* python.texi (Unwinding Frames in Python): Document
PendingFrame.architecture method.
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Currently, a user can define an alias, but cannot have default
arguments for this alias.
This patch modifies the 'alias' command so that default args can
be provided.
(gdb) h alias
Define a new command that is an alias of an existing command.
Usage: alias [-a] [--] ALIAS = COMMAND [DEFAULT-ARGS...]
ALIAS is the name of the alias command to create.
COMMAND is the command being aliased to.
Options:
-a
Specify that ALIAS is an abbreviation of COMMAND.
Abbreviations are not used in command completion..
GDB will automatically prepend the provided DEFAULT-ARGS to the list
of arguments explicitly provided when using ALIAS.
Use "help aliases" to list all user defined aliases and their default args.
Examples:
Make "spe" an alias of "set print elements":
alias spe set print elements
Make "elms" an alias of "elements" in the "set print" command:
alias -a set print elms set print elements
Make "btf" an alias of "backtrace -full -past-entry -past-main" :
alias btf = backtrace -full -past-entry -past-main
Make "wLapPeu" an alias of 2 nested "with":
alias wLapPeu = with language pascal -- with print elements unlimited --
(gdb)
The way 'default-args' is implemented makes it trivial to set default
args also for GDB commands (such as "backtrace") and for GDB pre-defined
aliases (such as "bt"). It was however deemed better to not allow to
define default arguments for pre-defined commands and aliases, to avoid
users believing that e.g. default args for "backtrace" would apply to "bt".
If needed, default-args could be allowed for GDB predefined commands
and aliases by adding a command
'set default-args GDB_COMMAND_OR_PREDEFINED_ALIAS [DEFAULT-ARGS...]'.
* 'alias' command now has a completer that helps to complete:
- ALIAS (if the user defines an alias after a prefix),
- the aliased COMMAND
- the possible options for the aliased COMMAND.
* Help and apropos commands show the definitions of the aliases
that have default arguments, e.g.
(gdb) help backtrace
backtrace, btf, where, bt
alias btf = backtrace -full -past-entry -past-main
Print backtrace of all stack frames, or innermost COUNT frames.
Usage: backtrace [OPTION]... [QUALIFIER]... [COUNT | -COUNT]
Options:
-entry-values no|only|preferred|if-needed|both|compact|default
Set printing of function arguments at function entry.
...
gdb/ChangeLog
2020-06-22 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* cli/cli-cmds.c (lookup_cmd_for_default_args)
(alias_command_completer)
(make_alias_options_def_group): New functions.
(alias_opts, alias_option_defs): New struct and array.
(alias_usage_error): Update usage.
(alias_command): Handles optional DEFAULT-ARGS... arguments.
Use option framework.
(_initialize_cli_cmds): Update alias command help.
Update aliases command help.
(show_user):
Add NULL for new default_args lookup_cmd argument.
(valid_command_p): Rename to validate_aliased_command.
Add NULL for new default_args lookup_cmd argument. Verify that the
aliased_command has no default args.
* cli/cli-decode.c (help_cmd): Show aliases definitions.
(lookup_cmd_1, lookup_cmd): New argument default_args.
(add_alias_cmd):
Add NULL for new default_args lookup_cmd argument.
(print_help_for_command): Show default args under the layout
alias some_alias = some_aliased_cmd some_alias_default_arg.
* cli/cli-decode.h (struct cmd_list_element): New member default_args.
xfree default_args in destructor.
* cli/cli-script.c (process_next_line, do_define_command):
Add NULL for new default_args lookup_cmd argument.
* command.h: Declare new default_args argument in lookup_cmd
and lookup_cmd_1.
* completer.c (complete_line_internal_1):
Add NULL for new default_args lookup_cmd or lookup_cmd_1 argument.
* guile/scm-cmd.c (gdbscm_parse_command_name): Likewise.
* guile/scm-param.c (add_setshow_generic, pascm_parameter_defined_p):
Likewise.
* infcmd.c (_initialize_infcmd): Likewise.
* python/py-auto-load.c (gdbpy_initialize_auto_load): Likewise.
* python/py-cmd.c (gdbpy_parse_command_name): Likewise.
* python/py-param.c (add_setshow_generic): Likewise.
* remote.c (_initialize_remote): Likewise.
* top.c (execute_command): Prepend default_args if command has some.
(set_verbose):
Add NULL for new default_args lookup_cmd or lookup_cmd_1 argument.
* tracepoint.c (validate_actionline, encode_actions_1):
Add NULL for new default_args lookup_cmd or lookup_cmd_1 argument.
|
|
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.
|
|
Remove the `TYPE_FIELD_TYPE` macro, changing all the call sites to use
`type::field` and `field::type` directly.
gdb/ChangeLog:
* gdbtypes.h (TYPE_FIELD_TYPE): Remove. Change all call sites
to use type::field and field::type instead.
Change-Id: Ifda6226a25c811cfd334a756a9fbc5c0afdddff3
|
|
Remove `TYPE_INDEX_TYPE` macro, changing all the call sites to use
`type::index_type` directly.
gdb/ChangeLog:
* gdbtypes.h (TYPE_INDEX_TYPE): Remove. Change all call sites
to use type::index_type instead.
Change-Id: I56715df0bdec89463cda6bd341dac0e01b2faf84
|
|
This reverts commit 982a38f60b0ece9385556cff45567e06710478cb.
I missed that the title being assigned too was a std::string, and so
there is no leak.
|
|
When setting the window title of a tui frame we do this:
gdb::unique_xmalloc_ptr<char> value
= python_string_to_host_string (<python-object>);
...
win->window->title = value.get ();
The problem here is that 'get ()' only borrows the pointer from value,
when value goes out of scope the pointer will be freed. As a result,
the tui frame will be left with a pointer to undefined memory
contents.
Instead we should be using 'value.release ()' to take ownership of the
pointer from value.
gdb/ChangeLog:
* python/py-tui.c (gdbpy_tui_set_title): Use release, not get, to
avoid use after free.
|
|
Python3.9b1 is now available on Rawhide. GDB w/ Python 3.9 support
can be built using the configure switch -with-python=/usr/bin/python3.9.
Attempting to run gdb/Python3.9 segfaults on startup:
#0 0x00007ffff7b0582c in PyEval_ReleaseLock () from /lib64/libpython3.9.so.1.0
#1 0x000000000069ccbf in do_start_initialization ()
at worktree-test1/gdb/python/python.c:1789
#2 _initialize_python ()
at worktree-test1/gdb/python/python.c:1877
#3 0x00000000007afb0a in initialize_all_files () at init.c:237
...
Consulting the the documentation...
https://docs.python.org/3/c-api/init.html
...we find that PyEval_ReleaseLock() has been deprecated since version
3.2. It recommends using PyEval_SaveThread or PyEval_ReleaseThread()
instead. In do_start_initialization, in gdb/python/python.c, we
can replace the calls to PyThreadState_Swap() and PyEval_ReleaseLock()
with a single call to PyEval_SaveThread. (Thanks to Keith Seitz
for working this out.)
With that in place, GDB gets a little bit further. It still dies
on startup, but the backtrace is different:
#0 0x00007ffff7b04306 in PyOS_InterruptOccurred ()
from /lib64/libpython3.9.so.1.0
#1 0x0000000000576e86 in check_quit_flag ()
at worktree-test1/gdb/extension.c:776
#2 0x0000000000576f8a in set_active_ext_lang (now_active=now_active@entry=0x983c00 <extension_language_python>)
at worktree-test1/gdb/extension.c:705
#3 0x000000000069d399 in gdbpy_enter::gdbpy_enter (this=0x7fffffffd2d0,
gdbarch=0x0, language=0x0)
at worktree-test1/gdb/python/python.c:211
#4 0x0000000000686e00 in python_new_inferior (inf=0xddeb10)
at worktree-test1/gdb/python/py-inferior.c:251
#5 0x00000000005d9fb9 in std::function<void (inferior*)>::operator()(inferior*) const (__args#0=<optimized out>, this=0xccad20)
at /usr/include/c++/10/bits/std_function.h:617
#6 gdb::observers::observable<inferior*>::notify (args#0=0xddeb10,
this=<optimized out>)
at worktree-test1/gdb/../gdbsupport/observable.h:106
#7 add_inferior_silent (pid=0)
at worktree-test1/gdb/inferior.c:113
#8 0x00000000005dbcb8 in initialize_inferiors ()
at worktree-test1/gdb/inferior.c:947
...
We checked with some Python Developers and were told that we should
acquire the GIL prior to calling any Python C API function. We
definitely don't have the GIL for calls of PyOS_InterruptOccurred().
I moved class_gdbpy_gil earlier in the file and use it in
gdbpy_check_quit_flag() to acquire (and automatically release) the
GIL.
With those changes in place, I was able to run to a GDB prompt. But,
when trying to quit, it segfaulted again due to due to some other
problems with gdbpy_check_quit_flag():
Thread 1 "gdb" received signal SIGSEGV, Segmentation fault.
0x00007ffff7bbab0c in new_threadstate () from /lib64/libpython3.9.so.1.0
(top-gdb) bt 8
#0 0x00007ffff7bbab0c in new_threadstate () from /lib64/libpython3.9.so.1.0
#1 0x00007ffff7afa5ea in PyGILState_Ensure.cold ()
from /lib64/libpython3.9.so.1.0
#2 0x000000000069b58c in gdbpy_gil::gdbpy_gil (this=<synthetic pointer>)
at worktree-test1/gdb/python/python.c:278
#3 gdbpy_check_quit_flag (extlang=<optimized out>)
at worktree-test1/gdb/python/python.c:278
#4 0x0000000000576e96 in check_quit_flag ()
at worktree-test1/gdb/extension.c:776
#5 0x000000000057700c in restore_active_ext_lang (previous=0xe9c050)
at worktree-test1/gdb/extension.c:729
#6 0x000000000088913a in do_my_cleanups (
pmy_chain=0xc31870 <final_cleanup_chain>,
old_chain=0xae5720 <sentinel_cleanup>)
at worktree-test1/gdbsupport/cleanups.cc:131
#7 do_final_cleanups ()
at worktree-test1/gdbsupport/cleanups.cc:143
In this case, we're trying to call a Python C API function after
Py_Finalize() has been called from finalize_python(). I made
finalize_python set gdb_python_initialized to false and then cause
check_quit_flag() to return early when it's false.
With these changes in place, GDB seems to be working again with
Python3.9b1. I think it likely that there are other problems lurking.
I wouldn't be surprised to find that there are other calls into Python
where we don't first make sure that we have the GIL. Further changes
may well be needed.
I see no regressions testing on Rawhide using a GDB built with the
default Python version (3.8.3) versus one built using Python 3.9b1.
I've also tested on Fedora 28, 29, 30, 31, and 32 (all x86_64) using
the default (though updated) system installed versions of Python on
those OSes. This means that I've tested against Python versions
2.7.15, 2.7.17, 2.7.18, 3.7.7, 3.8.2, and 3.8.3. In each case GDB
still builds without problem and shows no regressions after applying
this patch.
gdb/ChangeLog:
2020-MM-DD Kevin Buettner <kevinb@redhat.com>
Keith Seitz <keiths@redhat.com>
* python/python.c (do_start_initialization): For Python 3.9 and
later, call PyEval_SaveThread instead of PyEval_ReleaseLock.
(class gdbpy_gil): Move to earlier in file.
(finalize_python): Set gdb_python_initialized.
(gdbpy_check_quit_flag): Acquire GIL via gdbpy_gil. Return early
when not initialized.
|
|
Replace all uses of it by type::field.
Note that since type::field returns a reference to the field, some spots
are used to assign the whole field structure. See ctfread.c, function
attach_fields_to_type, for example. This is the same as was happening
with the macro, so I don't think it's a problem, but if anybody sees a
really nicer way to do this, now could be a good time to implement it.
gdb/ChangeLog:
* gdbtypes.h (TYPE_FIELD): Remove. Replace all uses with
type::field.
|
|
Remove `TYPE_NFIELDS`, changing all the call sites to use
`type::num_fields` directly. This is quite a big diff, but this was
mostly done using sed and coccinelle. A few call sites were done by
hand.
gdb/ChangeLog:
* gdbtypes.h (TYPE_NFIELDS): Remove. Change all cal sites to use
type::num_fields instead.
Change-Id: Ib73be4c36f9e770e0f729bac3b5257d7cb2f9591
|
|
Remove `TYPE_NAME`, changing all the call sites to use `type::name`
directly. This is quite a big diff, but this was mostly done using sed
and coccinelle. A few call sites were done by hand.
gdb/ChangeLog:
* gdbtypes.h (TYPE_NAME): Remove. Change all cal sites to use
type::name instead.
|
|
Remove TYPE_CODE, changing all the call sites to use type::code
directly. This is quite a big diff, but this was mostly done using sed
and coccinelle. A few call sites were done by hand.
gdb/ChangeLog:
* gdbtypes.h (TYPE_CODE): Remove. Change all call sites to use
type::code instead.
|
|
This removes the ALL_PSPACES macro. In this case it seemed cleanest
to change how program spaces are stored -- instead of using a linked
list, they are now stored in a std::vector.
gdb/ChangeLog
2020-05-08 Tom Tromey <tom@tromey.com>
* symtab.c (set_symbol_cache_size)
(maintenance_print_symbol_cache, maintenance_flush_symbol_cache)
(maintenance_print_symbol_cache_statistics): Update.
* symmisc.c (print_symbol_bcache_statistics)
(print_objfile_statistics, maintenance_print_objfiles)
(maintenance_info_symtabs, maintenance_check_symtabs)
(maintenance_expand_symtabs, maintenance_info_line_tables):
Update.
* symfile-debug.c (set_debug_symfile): Update.
* source.c (forget_cached_source_info): Update.
* python/python.c (gdbpy_progspaces): Update.
* psymtab.c (maintenance_info_psymtabs): Update.
* probe.c (parse_probes): Update.
* linespec.c (iterate_over_all_matching_symtabs)
(collect_symtabs_from_filename, search_minsyms_for_name): Update.
* guile/scm-progspace.c (gdbscm_progspaces): Update.
* exec.c (exec_target::close): Update.
* ada-tasks.c (ada_tasks_new_objfile_observer): Update.
* breakpoint.c (print_one_breakpoint_location)
(create_longjmp_master_breakpoint)
(create_std_terminate_master_breakpoint): Update.
* progspace.c (program_spaces): Now a std::vector.
(maybe_new_address_space): Update.
(add_program_space): Remove.
(program_space::program_space): Update.
(remove_program_space): Update.
(number_of_program_spaces): Remove.
(print_program_space, update_address_spaces): Update.
* progspace.h (program_spaces): Change type.
(ALL_PSPACES): Remove.
(number_of_program_spaces): Don't declare.
(struct program_space) <next>: Remove.
|
|
Now that Python code can create TUI windows, it seemed appropriate to
allow Python commands to appear in the "TUI" help class. This patch
adds this capability.
gdb/ChangeLog
2020-04-28 Tom Tromey <tom@tromey.com>
* NEWS: Update.
* python/py-cmd.c (gdbpy_initialize_commands): Add COMMAND_TUI.
(cmdpy_init): Allow class_tui.
gdb/doc/ChangeLog
2020-04-28 Tom Tromey <tom@tromey.com>
* python.texi (Commands In Python): Document gdb.COMMAND_TUI.
|
|
This changes the gdb Python API to add support for dynamic types. In
particular, this adds an attribute to gdb.Type, and updates some
attributes to reflect dynamic sizes and field offsets.
There's still no way to get the dynamic type from one of its concrete
instances. This could perhaps be added if needed.
gdb/ChangeLog
2020-04-24 Tom Tromey <tromey@adacore.com>
PR python/23662:
* python/py-type.c (convert_field): Handle
FIELD_LOC_KIND_DWARF_BLOCK.
(typy_get_sizeof): Handle TYPE_HAS_DYNAMIC_LENGTH.
(typy_get_dynamic): Nw function.
(type_object_getset): Add "dynamic".
* NEWS: Add entry.
gdb/doc/ChangeLog
2020-04-24 Tom Tromey <tromey@adacore.com>
PR python/23662:
* python.texi (Types In Python): Document new features.
gdb/testsuite/ChangeLog
2020-04-24 Tom Tromey <tromey@adacore.com>
PR python/23662:
* gdb.ada/variant.exp: Add Python checks.
* gdb.rust/simple.exp: Add dynamic type checks.
|
|
I recently learned that move constructors generally should be marked
"noexcept". This ensures that standard containers will move objects
when possible, rather than copy them.
This patch fixes the cases I could find. Note that implicitly-defined
or defaulted move constructors will automatically do what you'd
expect; that is, they are noexcept if all the members have noexcept
move constructors.
While doing this, I noticed a couple of odd cases where the move
constructor seemed to assume that the object being constructed could
have state requiring destruction. I've fixed these as well. See
completion_result and scoped_mmap.
gdb/ChangeLog
2020-04-20 Tom Tromey <tromey@adacore.com>
* python/python.c (struct gdbpy_event): Mark move constructor as
noexcept.
* python/py-tui.c (class gdbpy_tui_window_maker): Mark move
constructor as noexcept.
* completer.h (struct completion_result): Mark move constructor as
noexcept.
* completer.c (completion_result::completion_result): Use
initialization style. Don't call reset_match_list.
gdbsupport/ChangeLog
2020-04-20 Tom Tromey <tromey@adacore.com>
* scoped_mmap.h (scoped_mmap): Mark move constructor as noexcept.
Use initialization style. Don't call destroy.
* scoped_fd.h (class scoped_fd): Mark move constructor as
noexcept.
* gdb_ref_ptr.h (class ref_ptr): Mark move constructor as
noexcept.
|
|
This changes get_objfile_arch to be a new inline method,
objfile::arch.
To my surprise, this function came up while profiling DWARF psymbol
reading. Making this change improved performance from 1.986 seconds
to 1.869 seconds. Both measurements were done by taking the mean of
10 runs on a fixed copy of the gdb executable.
gdb/ChangeLog
2020-04-18 Tom Tromey <tom@tromey.com>
* xcoffread.c (enter_line_range, scan_xcoff_symtab): Update.
* value.c (value_fn_field): Update.
* valops.c (find_function_in_inferior)
(value_allocate_space_in_inferior): Update.
* tui/tui-winsource.c (tui_update_source_windows_with_line):
Update.
* tui/tui-source.c (tui_source_window::set_contents): Update.
* symtab.c (lookup_global_or_static_symbol)
(find_function_start_sal_1, skip_prologue_sal)
(print_msymbol_info, find_gnu_ifunc, symbol_arch): Update.
* symmisc.c (dump_msymbols, dump_symtab_1)
(maintenance_print_one_line_table): Update.
* symfile.c (init_entry_point_info, section_is_mapped)
(list_overlays_command, simple_read_overlay_table)
(simple_overlay_update_1): Update.
* stap-probe.c (handle_stap_probe): Update.
* stabsread.c (dbx_init_float_type, define_symbol)
(read_one_struct_field, read_enum_type, read_range_type): Update.
* source.c (info_line_command): Update.
* python/python.c (gdbpy_source_objfile_script)
(gdbpy_execute_objfile_script): Update.
* python/py-type.c (save_objfile_types): Update.
* python/py-objfile.c (py_free_objfile): Update.
* python/py-inferior.c (python_new_objfile): Update.
* psymtab.c (psym_find_pc_sect_compunit_symtab, dump_psymtab)
(dump_psymtab_addrmap_1, maintenance_info_psymtabs)
(maintenance_check_psymtabs): Update.
* printcmd.c (info_address_command): Update.
* objfiles.h (struct objfile) <arch>: New method, from
get_objfile_arch.
(get_objfile_arch): Don't declare.
* objfiles.c (get_objfile_arch): Remove.
(filter_overlapping_sections): Update.
* minsyms.c (msymbol_is_function): Update.
* mi/mi-symbol-cmds.c (mi_cmd_symbol_list_lines)
(output_nondebug_symbol): Update.
* mdebugread.c (parse_symbol, basic_type, parse_partial_symbols)
(mdebug_expand_psymtab): Update.
* machoread.c (macho_add_oso_symfile): Update.
* linux-tdep.c (linux_infcall_mmap, linux_infcall_munmap):
Update.
* linux-fork.c (checkpoint_command): Update.
* linespec.c (convert_linespec_to_sals): Update.
* jit.c (finalize_symtab): Update.
* infrun.c (insert_exception_resume_from_probe): Update.
* ia64-tdep.c (ia64_find_unwind_table): Update.
* hppa-tdep.c (internalize_unwinds): Update.
* gdbtypes.c (get_type_arch, init_float_type, objfile_type):
Update.
* gcore.c (call_target_sbrk): Update.
* elfread.c (record_minimal_symbol, elf_symtab_read)
(elf_rel_plt_read, elf_gnu_ifunc_record_cache)
(elf_gnu_ifunc_resolve_by_got): Update.
* dwarf2/read.c (create_addrmap_from_index)
(create_addrmap_from_aranges, dw2_find_pc_sect_compunit_symtab)
(read_debug_names_from_section)
(process_psymtab_comp_unit_reader, add_partial_symbol)
(add_partial_subprogram, process_full_comp_unit)
(read_file_scope, read_func_scope, read_lexical_block_scope)
(read_call_site_scope, dwarf2_ranges_read)
(dwarf2_record_block_ranges, dwarf2_add_field)
(mark_common_block_symbol_computed, read_tag_pointer_type)
(read_tag_string_type, dwarf2_init_float_type)
(dwarf2_init_complex_target_type, read_base_type)
(partial_die_info::read, partial_die_info::read)
(read_attribute_value, dwarf_decode_lines_1, new_symbol)
(dwarf2_fetch_die_loc_sect_off): Update.
* dwarf2/loc.c (dwarf2_find_location_expression)
(class dwarf_evaluate_loc_desc, rw_pieced_value)
(dwarf2_evaluate_loc_desc_full, dwarf2_locexpr_baton_eval)
(dwarf2_loc_desc_get_symbol_read_needs)
(locexpr_describe_location_piece, locexpr_describe_location_1)
(loclist_describe_location): Update.
* dwarf2/index-write.c (write_debug_names): Update.
* dwarf2/frame.c (dwarf2_build_frame_info): Update.
* dtrace-probe.c (dtrace_process_dof): Update.
* dbxread.c (read_dbx_symtab, dbx_end_psymtab)
(process_one_symbol): Update.
* ctfread.c (ctf_init_float_type, read_base_type): Update.
* coffread.c (coff_symtab_read, enter_linenos, decode_base_type)
(coff_read_enum_type): Update.
* cli/cli-cmds.c (edit_command, list_command): Update.
* buildsym.c (buildsym_compunit::finish_block_internal): Update.
* breakpoint.c (create_overlay_event_breakpoint)
(create_longjmp_master_breakpoint)
(create_std_terminate_master_breakpoint)
(create_exception_master_breakpoint, get_sal_arch): Update.
* block.c (block_gdbarch): Update.
* annotate.c (annotate_source_line): Update.
|
|
Currently there are many prefix commands that do nothing but call
either help_list or cmd_show_list. I happened to notice that one such
call, for "set print type", used the wrong command list parameter,
causing incorrect output.
Rather than fix this bug in isolation, I decided to eliminate this
possibility by adding two new ways to add prefix commands, which
simply route the call to help_list or cmd_show_list, as appropriate.
This makes it impossible for a mismatch to occur.
In some cases, a bit of output was removed; however, I don't think
this output in general was very useful. It seemed redundant with
what's already printed by help_list. A representative example is this
hunk, removed from ada-lang.c:
- printf_unfiltered (_(\
-"\"set ada\" must be followed by the name of a setting.\n"));
This simplified the CLI style set/show commands quite a bit, and
allowed the deletion of a macro.
This also cleans up some unusual code in windows-tdep.c.
Tested on x86-64 Fedora 30. Note that I have no way to build the
go32-nat.c change.
gdb/ChangeLog
2020-04-17 Tom Tromey <tromey@adacore.com>
* auto-load.c (show_auto_load_cmd): Remove.
(auto_load_show_cmdlist_get): Use add_show_prefix_cmd.
* arc-tdep.c (_initialize_arc_tdep): Use add_show_prefix_cmd.
(maintenance_print_arc_command): Remove.
* tui/tui-win.c (tui_command): Remove.
(tui_get_cmd_list): Use add_basic_prefix_cmd.
* tui/tui-layout.c (tui_layout_command): Remove.
(_initialize_tui_layout): Use add_basic_prefix_cmd.
* python/python.c (user_set_python, user_show_python): Remove.
(_initialize_python): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* guile/guile.c (set_guile_command, show_guile_command): Remove.
(install_gdb_commands): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(info_guile_command): Remove.
* dwarf2/read.c (set_dwarf_cmd, show_dwarf_cmd): Remove.
(_initialize_dwarf2_read): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cli/cli-style.h (class cli_style_option) <add_setshow_commands>:
Remove do_set and do_show parameters.
* cli/cli-style.c (set_style, show_style): Remove.
(_initialize_cli_style): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(cli_style_option::add_setshow_commands): Remove do_set and
do_show parameters.
(cli_style_option::add_setshow_commands): Use
add_basic_prefix_cmd, add_show_prefix_cmd.
(STYLE_ADD_SETSHOW_COMMANDS): Remove macro.
(set_style_name): Remove.
* cli/cli-dump.c (dump_command, append_command): Remove.
(srec_dump_command, ihex_dump_command, verilog_dump_command)
(tekhex_dump_command, binary_dump_command)
(binary_append_command): Remove.
(_initialize_cli_dump): Use add_basic_prefix_cmd.
* windows-tdep.c (w32_prefix_command_valid): Remove global.
(init_w32_command_list): Remove; move into ...
(_initialize_windows_tdep): ... here. Use add_basic_prefix_cmd.
* valprint.c (set_print, show_print, set_print_raw)
(show_print_raw): Remove.
(_initialize_valprint): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* typeprint.c (set_print_type, show_print_type): Remove.
(_initialize_typeprint): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* record.c (set_record_command, show_record_command): Remove.
(_initialize_record): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cli/cli-cmds.c (_initialize_cli_cmds): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(info_command, show_command, set_debug, show_debug): Remove.
* top.h (set_history, show_history): Don't declare.
* top.c (set_history, show_history): Remove.
* target-descriptions.c (set_tdesc_cmd, show_tdesc_cmd)
(unset_tdesc_cmd): Remove.
(_initialize_target_descriptions): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* symtab.c (info_module_command): Remove.
(_initialize_symtab): Use add_basic_prefix_cmd.
* symfile.c (overlay_command): Remove.
(_initialize_symfile): Use add_basic_prefix_cmd.
* sparc64-tdep.c (info_adi_command): Remove.
(_initialize_sparc64_adi_tdep): Use add_basic_prefix_cmd.
* sh-tdep.c (show_sh_command, set_sh_command): Remove.
(_initialize_sh_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* serial.c (serial_set_cmd, serial_show_cmd): Remove.
(_initialize_serial): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ser-tcp.c (set_tcp_cmd, show_tcp_cmd): Remove.
(_initialize_ser_tcp): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* rs6000-tdep.c (set_powerpc_command, show_powerpc_command)
(_initialize_rs6000_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* riscv-tdep.c (show_riscv_command, set_riscv_command)
(show_debug_riscv_command, set_debug_riscv_command): Remove.
(_initialize_riscv_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* remote.c (remote_command, set_remote_cmd): Remove.
(_initialize_remote): Use add_basic_prefix_cmd.
* record-full.c (set_record_full_command)
(show_record_full_command): Remove.
(_initialize_record_full): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* record-btrace.c (cmd_set_record_btrace)
(cmd_show_record_btrace, cmd_set_record_btrace_bts)
(cmd_show_record_btrace_bts, cmd_set_record_btrace_pt)
(cmd_show_record_btrace_pt): Remove.
(_initialize_record_btrace): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ravenscar-thread.c (set_ravenscar_command)
(show_ravenscar_command): Remove.
(_initialize_ravenscar): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* mips-tdep.c (show_mips_command, set_mips_command)
(_initialize_mips_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* maint.c (maintenance_command, maintenance_info_command)
(maintenance_check_command, maintenance_print_command)
(maintenance_set_cmd, maintenance_show_cmd): Remove.
(_initialize_maint_cmds): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(show_per_command_cmd): Remove.
* maint-test-settings.c (maintenance_set_test_settings_cmd):
Remove.
(maintenance_show_test_settings_cmd): Remove.
(_initialize_maint_test_settings): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* maint-test-options.c (maintenance_test_options_command):
Remove.
(_initialize_maint_test_options): Use add_basic_prefix_cmd.
* macrocmd.c (macro_command): Remove
(_initialize_macrocmd): Use add_basic_prefix_cmd.
* language.c (set_check, show_check): Remove.
(_initialize_language): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* infcmd.c (unset_command): Remove.
(_initialize_infcmd): Use add_basic_prefix_cmd.
* i386-tdep.c (set_mpx_cmd, show_mpx_cmd): Remove.
(_initialize_i386_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* go32-nat.c (go32_info_dos_command): Remove.
(_initialize_go32_nat): Use add_basic_prefix_cmd.
* cli/cli-decode.c (do_prefix_cmd, add_basic_prefix_cmd)
(do_show_prefix_cmd, add_show_prefix_cmd): New functions.
* frame.c (set_backtrace_cmd, show_backtrace_cmd): Remove.
(_initialize_frame): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* dcache.c (set_dcache_command, show_dcache_command): Remove.
(_initialize_dcache): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cp-support.c (maint_cplus_command): Remove.
(_initialize_cp_support): Use add_basic_prefix_cmd.
* btrace.c (maint_btrace_cmd, maint_btrace_set_cmd)
(maint_btrace_show_cmd, maint_btrace_pt_set_cmd)
(maint_btrace_pt_show_cmd, _initialize_btrace): Use
add_basic_prefix_cmd, add_show_prefix_cmd.
* breakpoint.c (save_command): Remove.
(_initialize_breakpoint): Use add_basic_prefix_cmd.
* arm-tdep.c (set_arm_command, show_arm_command): Remove.
(_initialize_arm_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ada-lang.c (maint_set_ada_cmd, maint_show_ada_cmd)
(set_ada_command, show_ada_command): Remove.
(_initialize_ada_language): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* command.h (add_basic_prefix_cmd, add_show_prefix_cmd): Declare.
gdb/testsuite/ChangeLog
2020-04-17 Tom Tromey <tromey@adacore.com>
* gdb.cp/maint.exp (test_help): Simplify multiple_help_body.
Update tests.
* gdb.btrace/cpu.exp: Update tests.
* gdb.base/maint.exp: Update tests.
* gdb.base/default.exp: Update tests.
* gdb.base/completion.exp: Update tests.
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This commit fixes a compilation warning/error when building GDB
with Python 3.9:
g++ -x c++ -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -DDNF_DEBUGINFO_INSTALL -I. -I../../gdb -I../../gdb/config -DLOCALEDIR="\"/usr/share/locale\"" -DHAVE_CONFIG_H -I../../gdb/../include/opcode -I../bfd -I../../gdb/../bfd -I../../gdb/../include -I../libdecnumber -I../../gdb/../libdecnumber -I../../gdb/../gnulib/import -I../gnulib/import -DTUI=1 -I/usr/include/guile/2.0 -pthread -I/usr/include/python3.9 -I/usr/include/python3.9 -I../../gdb/.. -pthread -Wall -Wpointer-arith -Wno-unused -Wunused-value -Wunused-variable -Wunused-function -Wno-switch -Wno-char-subscripts -Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable -Wno-sign-compare -Wno-error=maybe-uninitialized -Wno-mismatched-tags -Wsuggest-override -Wimplicit-fallthrough=3 -Wduplicated-cond -Wshadow=local -Wdeprecated-copy -Wdeprecated-copy-dtor -Wredundant-move -Wformat -Wformat-nonliteral -Wno-unused -Werror -c -o ser-tcp.o -MT ser-tcp.o -MMD -MP -MF ./.deps/ser-tcp.Tpo ../../gdb/ser-tcp.c
../../gdb/python/python.c: In function 'bool do_start_initialization()':
../../gdb/python/python.c:1621:23: error: 'void PyEval_InitThreads()' is deprecated [-Werror=deprecated-declarations]
1621 | PyEval_InitThreads ();
| ^
In file included from /usr/include/python3.9/Python.h:141,
from ../../gdb/python/python-internal.h:86,
from ../../gdb/python/python.c:92:
/usr/include/python3.9/ceval.h:132:37: note: declared here
132 | Py_DEPRECATED(3.9) PyAPI_FUNC(void) PyEval_InitThreads(void);
| ^~~~~~~~~~~~~~~~~~
Information about the deprecated function can be found here:
https://docs.python.org/3.9/whatsnew/3.9.html#deprecated
Specifically, with regard to PyEval_InitThreads(), it says:
The PyEval_InitThreads() and PyEval_ThreadsInitialized() functions
are now deprecated and will be removed in Python 3.11. Calling
PyEval_InitThreads() now does nothing. The GIL is initialized by
Py_Initialize() since Python 3.7. (Contributed by Victor Stinner
in bpo-39877.)
I chose to disable the call with a #if test using PY_VERSION_HEX.
There is precedent for use of PY_VERSION_HEX; it's used in two places
in python-internal.h. I noticed that under certain circumstances
python-internal.h defines PyEval_InitThreads to be nothing, which
accomplishes the same thing. I considered doing something similar for
this case, but decided against it because, at some point in the future,
the presence of PyEval_InitThreads() without some explanation will be
confusing to a reader who won't be able to find PyEval_InitThreads in
the current (future for us) Python API. IMO, use of the #if along
with an accompanying comment seemed more straightforward.
gdb/ChangeLog:
* python/python.c (do_start_initialization): Don't call
PyEval_InitThreads for Python 3.9 and beyond.
Change-Id: I0679fc10b6b76761a99538568f13188c6d8014e0
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This moves event-loop.[ch] to gdbsupport/ and updates the uses in gdb.
gdb/ChangeLog
2020-04-13 Tom Tromey <tom@tromey.com>
* run-on-main-thread.c: Update include.
* unittests/main-thread-selftests.c: Update include.
* tui/tui-win.c: Update include.
* tui/tui-io.c: Update include.
* tui/tui-interp.c: Update include.
* tui/tui-hooks.c: Update include.
* top.h: Update include.
* top.c: Update include.
* ser-base.c: Update include.
* remote.c: Update include.
* remote-notif.c: Update include.
* remote-fileio.c: Update include.
* record-full.c: Update include.
* record-btrace.c: Update include.
* python/python.c: Update include.
* posix-hdep.c: Update include.
* mingw-hdep.c: Update include.
* mi/mi-main.c: Update include.
* mi/mi-interp.c: Update include.
* main.c: Update include.
* linux-nat.c: Update include.
* interps.c: Update include.
* infrun.c: Update include.
* inf-loop.c: Update include.
* event-top.c: Update include.
* event-loop.c: Move to ../gdbsupport/.
* event-loop.h: Move to ../gdbsupport/.
* async-event.h: Update include.
* Makefile.in (COMMON_SFILES, HFILES_NO_SRCDIR): Update.
gdbsupport/ChangeLog
2020-04-13 Tom Tromey <tom@tromey.com>
* event-loop.h: Move from ../gdb/.
* event-loop.cc: Move from ../gdb/.
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Consider the test-case gdb.base/async.exp. Using the executable, I run to
main, and land on a line advertised as line 26:
...
$ gdb outputs/gdb.base/async/async -ex start
Reading symbols from outputs/gdb.base/async/async...
Temporary breakpoint 1 at 0x4004e4: file gdb.base/async.c, line 26.
Starting program: outputs/gdb.base/async/async
Temporary breakpoint 1, main () at gdb.base/async.c:26
26 y = foo ();
...
But actually, the line turns out to be line 28:
...
$ cat -n gdb.base/async.c
...
26 y = 2;
27 z = 9;
28 y = foo ();
...
This is caused by the following: the python colorizer initializes the lexer
with default options (no second argument to get_lexer_for_filename):
...
def colorize(filename, contents):
# Don't want any errors.
try:
lexer = lexers.get_lexer_for_filename(filename)
formatter = formatters.TerminalFormatter()
return highlight(contents, lexer, formatter)
...
which include option stripnl=True, which strips leading and trailing newlines.
This causes the python colorizer to strip the two leading newlines of async.c.
Fix this by initializing the lexer with stripnl=False.
Build and reg-tested on x86_64-linux.
gdb/ChangeLog:
2020-04-10 Tom de Vries <tdevries@suse.de>
PR cli/25808
* python/lib/gdb/__init__.py: Initialize lexer with stripnl=False.
gdb/testsuite/ChangeLog:
2020-04-10 Tom de Vries <tdevries@suse.de>
PR cli/25808
* gdb.base/style.c: Add leading newlines.
* gdb.base/style.exp: Use gdb_get_line_number to get specific lines.
Check listing of main's one-line body.
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py-tui.c can fail to build if the ncurses development headers are not
installed, but if Python was built against ncurses. In this case, the
Python headers will define HAVE_NCURSES_H, confusing gdb_curses.h.
This patch fixes the problem by moving this include inside
"#ifdef TUI".
gdb/ChangeLog
2020-03-31 Joel Jones <joelkevinjones@gmail.com>
PR tui/25597:
* python/py-tui.c: Include gdb_curses.h inside of #ifdef TUI.
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This changes the extension language pretty-printers to use the value
API.
Note that new functions were needed, for both Guile and Python.
Currently both languages always wrap values by removing the values
from the value chain. This makes sense to avoid strange behavior with
watchpoints, and to avoid excessive memory use. However, when
printing, it's important to leave the passed-in value untouched, in
case pretty-printing does nothing -- that way the caller can still
access it.
gdb/ChangeLog
2020-03-13 Tom Tromey <tom@tromey.com>
* valprint.c (do_val_print): Update.
* python/python-internal.h (gdbpy_apply_val_pretty_printer): Take
a struct value.
(value_to_value_object_no_release): Declare.
* python/py-value.c (value_to_value_object_no_release): New
function.
* python/py-prettyprint.c (gdbpy_apply_val_pretty_printer): Take a
struct value.
* guile/scm-value.c (vlscm_scm_from_value_no_release): New
function.
* guile/scm-pretty-print.c (gdbscm_apply_val_pretty_printer): Take
a struct value.
* guile/guile-internal.h (vlscm_scm_from_value_no_release):
Declare.
(gdbscm_apply_val_pretty_printer): Take a struct value.
* extension.h (apply_ext_lang_val_pretty_printer): Take a struct
value.
* extension.c (apply_ext_lang_val_pretty_printer): Take a struct
value.
* extension-priv.h (struct extension_language_ops)
<apply_val_pretty_printer>: Take a struct value.
* cp-valprint.c (cp_print_value): Create a struct value.
(cp_print_value): Update.
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This patch adds support for writing new TUI windows in Python.
2020-02-22 Tom Tromey <tom@tromey.com>
* NEWS: Add entry for gdb.register_window_type.
* tui/tui-layout.h (window_factory): New typedef.
(tui_register_window): Declare.
* tui/tui-layout.c (saved_tui_windows): New global.
(tui_apply_current_layout): Use it.
(tui_register_window): New function.
* python/python.c (do_start_initialization): Call
gdbpy_initialize_tui.
(python_GdbMethods): Add "register_window_type" function.
* python/python-internal.h (gdbpy_register_tui_window)
(gdbpy_initialize_tui): Declare.
* python/py-tui.c: New file.
* Makefile.in (SUBDIR_PYTHON_SRCS): Add py-tui.c.
gdb/doc/ChangeLog
2020-02-22 Tom Tromey <tom@tromey.com>
* python.texi (Python API): Add menu item.
(TUI Windows In Python): New node.
gdb/testsuite/ChangeLog
2020-02-22 Tom Tromey <tom@tromey.com>
* gdb.python/tui-window.exp: New file.
* gdb.python/tui-window.py: New file.
Change-Id: I85fbfb923a1840450a00a7dce113a05d7f048baa
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