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I noticed that call_function_by_hand_dummy has a block that only
exists to declare a variable, like:
{
int i;
for (i = ...0)
...
}
This patch removes the unnecessary and the extra indentation by moving
the declaration into the "for".
gdb/ChangeLog
2018-09-14 Tom Tromey <tom@tromey.com>
* infcall.c (call_function_by_hand_dummy): Remove unnecessary
block.
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I noticed that a variable in get_startup_shell is "static". However,
I couldn't see any reason it ought to be, so this removes the
"static".
gdb/ChangeLog
2018-09-14 Tom Tromey <tom@tromey.com>
* nat/fork-inferior.c (get_startup_shell): Remove "static".
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Simplfy gdb.exp by adding a function that will attempt to
compile a piece of code, then clean up, leaving the created
object.
gdb/testsuite
* lib/gdb.exp (gdb_simple_compile): Add proc.
(is_elf_target): Use gdb_simple_compile.
(skip_altivec_tests): Likewise.
(skip_vsx_tests): Likewise.
(skip_tsx_tests): Likewise.
(skip_btrace_tests): Likewise.
(skip_btrace_pt_tests): Likewise.
(gdb_can_simple_compile): Likewise.
(gdb_has_argv0): Likewise.
(gdb_target_symbol_prefix): Likewise.
(target_supports_scheduler_locking): Likewise.
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I noticed that the TAGS target in gdb/testsuite/Makefile does not pick
up Tcl procs defined with proc_with_prefix or gdb_caching_proc. This
patch fixes this by updating the regexp.
Tested in Emacs.
gdb/testsuite/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
* Makefile.in (TAGS): Recognize proc_with_prefix and
gdb_caching_proc.
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I noticed that infpy_thread_from_thread_handle is not static, but
should be. This patch changes it.
gdb/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
* python/py-inferior.c (infpy_thread_from_thread_handle): Now
static.
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This removes a cleanup from try_open_exec_file, using std::string to
manage the storage instead.
gdb/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
* exec.c (try_open_exec_file): Use std::string.
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This changes gdb_bfd_errmsg to return a std::string, removing a
cleanup. This approach may be slightly less efficient than the
previous code, but I don't believe this is very important in this
situation.
gdb/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
* utils.h (gdb_bfd_errmsg): Return std::string.
* exec.c (exec_file_attach): Update.
* compile/compile-object-load.c (compile_object_load): Update.
* utils.c (gdb_bfd_errmsg): Return std::string.
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This removes the last remaining cleanup from procfs.c, replacing it
with a unique_ptr specialization.
gdb/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
* procfs.c (struct procinfo_deleter): New.
(procinfo_up): New typedef.
(do_destroy_procinfo_cleanup): Remove.
(procfs_target::info_proc): Use procinfo_up. Remove cleanups.
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This removes a cleanup from add_path, replacing it with a use of
gdb::unique_xmalloc_ptr. Note that this declaration had to be hoisted
somewhat, to avoid inteference from the "goto"s in this function.
gdb/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
* source.c (add_path): Use gdb::unique_xmalloc_ptr.
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The code implementing gdb.objfiles() returns a list of objfiles for the
current program space (the program space of the selected inferior). The
documentation for the gdb.objfiles() Python method, however, states:
Return a sequence of all the objfiles current known to GDB.
That sounds wrong to me. I tried to phrase to be more precise.
gdb/doc/ChangeLog:
* python.texi (Objfiles In Python): Update gdb.objfiles() doc.
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This patch adds an objfiles method to the Progspace object, which
returns a sequence of the objfiles associated to that program space. I
chose a method rather than a property for symmetry with gdb.objfiles().
gdb/ChangeLog:
* python/py-progspace.c (PSPY_REQUIRE_VALID): New macro.
(pspy_get_objfiles): New function.
(progspace_object_methods): New.
(pspace_object_type): Add tp_methods callback.
* python/python-internal.h (build_objfiles_list): New
declaration.
* python/python.c (build_objfiles_list): New function.
(gdbpy_objfiles): Implement using build_objfiles_list.
* NEWS: Mention the Progspace.objfiles method.
gdb/doc/ChangeLog:
* python.texi (Program Spaces In Python): Document the
Progspace.objfiles method.
(Objfiles In Python): Mention that gdb.objfiles() is identical
to gdb.selected_inferior().progspace.objfiles().
gdb/testsuite/ChangeLog:
* gdb.python/py-progspace.exp: Test the Progspace.objfiles
method.
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This patch adds a progspace property to the gdb.Inferior type, which
allows getting the gdb.Progspace object associated to that inferior.
In conjunction with the following patch, this will allow scripts iterate
on objfiles associated with a particular inferior.
gdb/ChangeLog:
* python/py-inferior.c (infpy_get_progspace): New function.
(inferior_object_getset): Add progspace property.
* NEWS: Mention the new property.
gdb/doc/ChangeLog:
* python.texi (Inferiors In Python): Document
Inferior.progspace.
(Program Spaces In Python): Document that
gdb.current_progspace() is the same as
gdb.selected_inferior().progspace.
gdb/testsuite/ChangeLog:
* gdb.python/py-inferior.exp: Add tests for Inferior.progspace
and a few other Inferior properties when the Inferior is no
longer valid.
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I noticed a spot in rust-lang.c where the placeholder "foo" was used
instead of the actual field name. This patch fixes the bug.
gdb/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
PR rust/23650:
* rust-lang.c (rust_evaluate_subexp): Use field name, not "foo".
gdb/testsuite/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
PR rust/23650:
* gdb.rust/simple.exp: Add test for enum field access error.
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While testing my Rust compiler patch to fix the DWARF representation
of Rust enums (https://github.com/rust-lang/rust/pull/54004), I found
a gdb crash coming from one of the Rust test cases.
The bug here is that the new variant support in gdb does not handle
the case where there are no variants in the enum.
This patch fixes the problem in a straightforward way. Note that the
new tests are somewhat lax because I did not want to try to fully fix
this corner case for older compilers. If you think that's
unacceptable, let meknow.
Tested on x86-64 Fedora 28 using several versions of the Rust
compiler. I intend to push this to the 8.2 branch as well.
gdb/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
PR rust/23626:
* rust-lang.c (rust_enum_variant): Now static.
(rust_empty_enum_p): New function.
(rust_print_enum, rust_evaluate_subexp, rust_print_struct_def):
Handle empty enum.
gdb/testsuite/ChangeLog
2018-09-13 Tom Tromey <tom@tromey.com>
PR rust/23626:
* gdb.rust/simple.rs (EmptyEnum): New type.
(main): Use it.
* gdb.rust/simple.exp (test_one_slice): Add empty enum test.
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Printing a GDB Python object is notoriously not helpful:
>>> print(gdb.selected_inferior())
<gdb.Inferior object at 0x7fea59aed198>
>>> print(gdb.objfiles())
[<gdb.Objfile object at 0x7fea59b57c90>]
This makes printing debug traces more difficult than it should be. This
patch provides some repr() implementation for these two types (more to
come if people agree with the idea, but I want to test the water first).
Here's the same example as above, but with this patch:
>>> print(gdb.selected_inferior())
<gdb.Inferior num=1>
>>> print(gdb.objfiles())
[<gdb.Objfile filename=/home/emaisin/build/binutils-gdb-gcc-git/gdb/test>]
I implemented repr rather than str, because when printing a list (or
another container I suppose), Python calls the repr method of the
elements. This is useful when printing a list of inferiors or objfiles.
The print(gdb.objfiles()) above would not have worked if I had
implemented str.
I found this post useful to understand the difference between repr and
str:
https://stackoverflow.com/questions/1436703/difference-between-str-and-repr
gdb/ChangeLog:
* python/py-inferior.c (infpy_repr): New.
(inferior_object_type): Register infpy_repr.
* python/py-objfile.c (objfpy_repr): New.
(objfile_object_type): Register objfpy_repr.
gdb/testsuite/ChangeLog:
* gdb.python/py-inferior.exp: Test repr() of gdb.Inferior.
* gdb.python/py-objfile.exp: Test repr() of gdb.Objfile.
* gdb.python/py-symtab.exp: Update test printing an objfile.
gdb/doc/ChangeLog:
* python.texi (Basic Python): Mention the string representation
of GDB Python objects.
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gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::info_proc): Remove unused variable.
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gdb/ChangeLog:
* aarch64-fbsd-tdep.h (AARCH64_FBSD_SIZEOF_GREGSET): Fix comment
typo.
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This patch adds tests for trying to use property or methods on a
gdb.Inferior object that represents an inferior that does not exist
anymore. We expect an exception to be thrown.
gdb/testsuite/ChangeLog:
* gdb.python/py-inferior.exp: Test using an invalid gdb.Inferior
object.
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There is no reason for 'is_regular_file' to be in common-utils.c; it
belongs to 'filestuff.c'. This commit moves the function definition
and its prototype to the appropriate files.
The motivation behind this move is a failure that happens on certain
cross-compilation environments when compiling the IPA library, due to
the way gnulib probes the need for a 'stat' call replacement. Because
configure checks when cross-compiling are more limited, gnulib decides
that it needs to substitute the 'stat' calls its own 'rpl_stat';
however, the IPA library doesn't link with gnulib, which leads to an
error when compiling 'common-utils.c':
...
/opt/x86-core2--musl--bleeding-edge-2018.09-1/bin/i686-buildroot-linux-musl-g++ -shared -fPIC -Wl,--soname=libinproctrace.so -Wl,--no-undefined -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -I. -I. -I./../common -I./../regformats -I./.. -I./../../include -I./../gnulib/import -Ibuild-gnulib-gdbserver/import -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wpointer-arith -Wno-unused -Wunused-value -Wunused-function -Wno-switch -Wno-char-subscripts -Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable -Wno-sign-compare -Wno-narrowing -Wno-error=maybe-uninitialized -DGDBSERVER \
-Wl,--dynamic-list=./proc-service.list -o libinproctrace.so ax-ipa.o common-utils-ipa.o errors-ipa.o format-ipa.o print-utils-ipa.o regcache-ipa.o remote-utils-ipa.o rsp-low-ipa.o tdesc-ipa.o tracepoint-ipa.o utils-ipa.o vec-ipa.o linux-i386-ipa.o linux-x86-tdesc-ipa.o arch/i386-ipa.o -ldl -pthread
/opt/x86-core2--musl--bleeding-edge-2018.09-1/lib/gcc/i686-buildroot-linux-musl/8.2.0/../../../../i686-buildroot-linux-musl/bin/ld: common-utils-ipa.o: in function `is_regular_file(char const*, int*)':
common-utils.c:(.text+0x695): undefined reference to `rpl_stat'
collect2: error: ld returned 1 exit status
Makefile:413: recipe for target 'libinproctrace.so' failed
make[1]: *** [libinproctrace.so] Error 1
...
More details can also be found at:
https://sourceware.org/ml/gdb-patches/2018-09/msg00304.html
The most simple fix for this problem is to move 'is_regular_file' to
'filestuff.c', which is not used by IPA. This ends up making the
files more logically organized as well, since 'is_regular_file' is a
file operation.
No regressions found.
gdb/ChangeLog:
2018-09-12 Sergio Durigan Junior <sergiodj@redhat.com>
* common/common-utils.c: Don't include '<sys/stat.h>'.
(is_regular_file): Move to...
* common/filestuff.c (is_regular_file): ... here.
* common/common-utils.h (is_regular_file): Move to...
* common/filestuff.h (is_regular_file): ... here.
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While trying to create skips for libstdc++, I found myself debugging GDB
quite a bit, mostly to find out what the exact function name to match
is. I thought it would make sense to have this information as debug
output.
This patch adds "set debug skip on|off".
gdb/ChangeLog:
* skip.c (debug_skip): New variable.
(skiplist_entry::do_skip_file_p): Add debug output.
(skiplist_entry::do_skip_gfile_p): Likewise.
(skiplist_entry::skip_function_p): Likewise.
(_initialize_step_skip): Create debug command.
* NEWS: Mention set/show debug skip.
gdb/doc/ChangeLog:
* gdb.texinfo (Skipping Over Functions and Files): Document
set/show debug skip.
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Simplfy gdb.exp by adding a function that will attempt to
compile a piece of code, then clean up.
gdb/testsuite
* lib/gdb.exp (gdb_can_simple_compile): Add proc.
(support_complex_tests): Use gdb_can_simple_compile.
(is_ilp32_target): Likewise.
(is_lp64_target): Likewise.
(is_64_target): Likewise.
(is_amd64_regs_target): Likewise.
(is_aarch32_target): Likewise.
(gdb_int128_helper): Likewise.
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On Mac OS X Sierra and later, the shell is not allowed to be
debug so add a check and disable startup with shell in that
case. This disabling is done temporary before forking
inferior and restored after the fork.
gdb/ChangeLog:
* darwin-nat.c (should_disable_startup_with_shell):
New function.
(darwin_nat_target::create_inferior): Add call.
Change-Id: Ie4d9090f65fdf2e83ecf7a0f9d0647fb1c27cdcc
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Debugging a program under Darwin does not work:
(gdb) start
Temporary breakpoint 1 at 0x100000fb4: file /tmp/helloworld.c, line 1.
Starting program: /private/tmp/helloworld
[New Thread 0x2903 of process 60326]
During startup program terminated with signal SIGTRAP, Trace/breakpoint
trap.
Field signaled from darwin_thread_info is not initialized thus signal
sent to the debuggee is considered as not sent by GDB whereas it should.
This patch fixes this problem and also updates (change type and/or
initialize) other fields in the same structure at the same time.
gdb/ChangeLog:
* darwin-nat.h (struct darwin_thread_info) <gdb_port,
inf_port, msg_state>: Initialize.
(struct darwin_thread_info) <signaled, single_step>: Change
type and initialize.
(struct darwin_thread_info) <event>: Initialize.
Change-Id: I0fe2a6985df9d0dfcc8a2a258a3ef70cfa19b403
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There was a typo in patch:
commit 5a6996172e6294ea37054b1a9caa3a923a8fe399
Author: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Date: Mon Aug 6 16:05:16 2018 +0200
Update dg-extract-results.* from gcc
gdb/testsuite/ChangeLog
2018-09-11 Jan Kratochvil <jan.kratochvil@redhat.com>
* Makefile.in (check-parallel-racy): Fix dg-extract-results.sh path.
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This is a backport of a gnulib fix for the following bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=23558
The problem reported there is about the replacement of 'getcwd' when
cross-compiling GDB. With our current gnulib copy, the mechanism for
deciding whether to use the system's 'getcwd' or gnulib's version is
too simplistic and pessimistic, so when cross-compiling we always end
up using gnulib's version, which has a limitation: it cannot handle
the situation when the parent directory doesn't have read permissions.
The solution is to backport the following gnulib commit:
commit a96d2e67052c879b1bcc5bc461722beac75fc372
Author: Bruno Haible <bruno@clisp.org>
Date: Thu Aug 23 21:13:19 2018 +0200
getcwd: Add cross-compilation guesses.
gdb/ChangeLog:
2018-09-10 Sergio Durigan Junior <sergiodj@redhat.com>
PR gdb/23555
PR gdb/23558
* gnulib/import/m4/getcwd-path-max.m4: Add cross-compilation
guesses.
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This reverts commit 7a6dbc2fdb2323c35e981f93236f323e9d7c0b24 ("Update
gnulib to current upstream master"). It is needed because the gnulib
update caused problems with people using old GCC compilers (version
4.8, for example), which support C99 but don't default to using it.
Unfortunately this broke GDB for these users. A more detailed report
of what happened can be found at:
https://lists.gnu.org/archive/html/bug-gnulib/2018-08/msg00157.html
The reason for updating our gnulib copy was to fix PR gdb/23558.
Reverting this patch reintroduces the bug, so in order to fix it I
will submit a subsequent patch which cherry-picks the fix from gnulib.
gdb/ChangeLog:
2018-09-10 Sergio Durigan Junior <sergiodj@redhat.com>
Revert:
2018-08-29 Sergio Durigan Junior <sergiodj@redhat.com>
PR gdb/23555
PR gdb/23558
* gnulib/aclocal.m4: Regenerate.
* gnulib/config.in: Regenerate.
* gnulib/configure: Regenerate.
* gnulib/import/Makefile.am: Update.
* gnulib/import/Makefile.in: Update.
* gnulib/import/extra/snippet/_Noreturn.h: Rename to...
* gnulib/import/_Noreturn.h: ... this.
* gnulib/import/alloca.in.h: Update.
* gnulib/import/extra/snippet/arg-nonnull.h: Rename to...
* gnulib/import/arg-nonnull.h: ... this.
* gnulib/import/assure.h: Update.
* gnulib/import/at-func.c: Update.
* gnulib/import/basename-lgpl.c: Update.
* gnulib/import/extra/snippet/c++defs.h: Rename to...
* gnulib/import/c++defs.h: ... this.
* gnulib/import/canonicalize-lgpl.c: Update.
* gnulib/import/cdefs.h: Update.
* gnulib/import/chdir-long.c: Update.
* gnulib/import/chdir-long.h: Update.
* gnulib/import/cloexec.c: Update.
* gnulib/import/cloexec.h: Update.
* gnulib/import/close.c: Update.
* gnulib/import/closedir.c: Update.
* gnulib/import/config.charset: Update.
* gnulib/import/dirent-private.h: Update.
* gnulib/import/dirent.in.h: Update.
* gnulib/import/dirfd.c: Update.
* gnulib/import/dirname-lgpl.c: Update.
* gnulib/import/dirname.h: Update.
* gnulib/import/dosname.h: Update.
* gnulib/import/dup-safer-flag.c: Update.
* gnulib/import/dup-safer.c: Update.
* gnulib/import/dup.c: Update.
* gnulib/import/dup2.c: Update.
* gnulib/import/errno.in.h: Update.
* gnulib/import/error.c: Update.
* gnulib/import/error.h: Update.
* gnulib/import/exitfail.c: Update.
* gnulib/import/exitfail.h: Update.
* gnulib/import/extra/update-copyright: Update.
* gnulib/import/fchdir.c: Update.
* gnulib/import/fcntl.c: Update.
* gnulib/import/fcntl.in.h: Update.
* gnulib/import/fd-hook.c: Update.
* gnulib/import/fd-hook.h: Update.
* gnulib/import/fd-safer-flag.c: Update.
* gnulib/import/fd-safer.c: Update.
* gnulib/import/fdopendir.c: Update.
* gnulib/import/filename.h: Update.
* gnulib/import/filenamecat-lgpl.c: Update.
* gnulib/import/filenamecat.h: Update.
* gnulib/import/flexmember.h: Update.
* gnulib/import/float+.h: Update.
* gnulib/import/float.c: Update.
* gnulib/import/float.in.h: Update.
* gnulib/import/fnmatch.c: Update.
* gnulib/import/fnmatch.in.h: Update.
* gnulib/import/fnmatch_loop.c: Update.
* gnulib/import/fpucw.h: Update.
* gnulib/import/frexp.c: Update.
* gnulib/import/frexpl.c: Update.
* gnulib/import/fstat.c: Update.
* gnulib/import/fstatat.c: Update.
* gnulib/import/getcwd-lgpl.c: Update.
* gnulib/import/getcwd.c: Update.
* gnulib/import/getdtablesize.c: Update.
* gnulib/import/getlogin_r.c: Update.
* gnulib/import/getprogname.c: Update.
* gnulib/import/getprogname.h: Update.
* gnulib/import/gettext.h: Update.
* gnulib/import/gettimeofday.c: Update.
* gnulib/import/glob-libc.h: Update.
* gnulib/import/glob.c: Update.
* gnulib/import/glob.in.h: Update.
* gnulib/import/glob_internal.h: Update.
* gnulib/import/glob_pattern_p.c: Update.
* gnulib/import/globfree.c: Update.
* gnulib/import/hard-locale.c: Update.
* gnulib/import/hard-locale.h: Update.
* gnulib/import/intprops.h: Update.
* gnulib/import/inttypes.in.h: Update.
* gnulib/import/isnan.c: Update.
* gnulib/import/isnand-nolibm.h: Update.
* gnulib/import/isnand.c: Update.
* gnulib/import/isnanl-nolibm.h: Update.
* gnulib/import/isnanl.c: Update.
* gnulib/import/itold.c: Update.
* gnulib/import/libc-config.h: Update.
* gnulib/import/limits.in.h: Update.
* gnulib/import/localcharset.c: Update.
* gnulib/import/localcharset.h: Update.
* gnulib/import/localtime-buffer.c: Update.
* gnulib/import/localtime-buffer.h: Update.
* gnulib/import/lstat.c: Update.
* gnulib/import/m4/00gnulib.m4: Update.
* gnulib/import/m4/__inline.m4: Update.
* gnulib/import/m4/absolute-header.m4: Update.
* gnulib/import/m4/alloca.m4: Update.
* gnulib/import/m4/builtin-expect.m4: Update.
* gnulib/import/m4/canonicalize.m4: Update.
* gnulib/import/m4/chdir-long.m4: Update.
* gnulib/import/m4/close.m4: Update.
* gnulib/import/m4/closedir.m4: Update.
* gnulib/import/m4/configmake.m4: Update.
* gnulib/import/m4/d-ino.m4: Update.
* gnulib/import/m4/d-type.m4: Update.
* gnulib/import/m4/dirent_h.m4: Update.
* gnulib/import/m4/dirfd.m4: Update.
* gnulib/import/m4/dirname.m4: Update.
* gnulib/import/m4/double-slash-root.m4: Update.
* gnulib/import/m4/dup.m4: Update.
* gnulib/import/m4/dup2.m4: Update.
* gnulib/import/m4/eealloc.m4: Update.
* gnulib/import/m4/environ.m4: Update.
* gnulib/import/m4/errno_h.m4: Update.
* gnulib/import/m4/error.m4: Update.
* gnulib/import/m4/exponentd.m4: Update.
* gnulib/import/m4/exponentl.m4: Update.
* gnulib/import/m4/extensions.m4: Update.
* gnulib/import/m4/extern-inline.m4: Update.
* gnulib/import/m4/fchdir.m4: Update.
* gnulib/import/m4/fcntl-o.m4: Update.
* gnulib/import/m4/fcntl.m4: Update.
* gnulib/import/m4/fcntl_h.m4: Update.
* gnulib/import/m4/fdopendir.m4: Update.
* gnulib/import/m4/filenamecat.m4: Update.
* gnulib/import/m4/flexmember.m4: Update.
* gnulib/import/m4/float_h.m4: Update.
* gnulib/import/m4/fnmatch.m4: Update.
* gnulib/import/m4/fnmatch_h.m4: Update.
* gnulib/import/m4/fpieee.m4: Update.
* gnulib/import/m4/frexp.m4: Update.
* gnulib/import/m4/frexpl.m4: Update.
* gnulib/import/m4/fstat.m4: Update.
* gnulib/import/m4/fstatat.m4: Update.
* gnulib/import/m4/getcwd-abort-bug.m4: Update.
* gnulib/import/m4/getcwd-path-max.m4: Update.
* gnulib/import/m4/getcwd.m4: Update.
* gnulib/import/m4/getdtablesize.m4: Update.
* gnulib/import/m4/getlogin.m4: Update.
* gnulib/import/m4/getlogin_r.m4: Update.
* gnulib/import/m4/getpagesize.m4: Update.
* gnulib/import/m4/getprogname.m4: Update.
* gnulib/import/m4/gettimeofday.m4: Update.
* gnulib/import/m4/glibc21.m4: Update.
* gnulib/import/m4/glob.m4: Update.
* gnulib/import/m4/glob_h.m4: Update.
* gnulib/import/m4/gnulib-cache.m4: Update.
* gnulib/import/m4/gnulib-common.m4: Update.
* gnulib/import/m4/gnulib-comp.m4: Update.
* gnulib/import/m4/gnulib-tool.m4: Update.
* gnulib/import/m4/hard-locale.m4: Update.
* gnulib/import/m4/include_next.m4: Update.
* gnulib/import/m4/inttypes-pri.m4: Update.
* gnulib/import/m4/inttypes.m4: Update.
* gnulib/import/m4/isnand.m4: Update.
* gnulib/import/m4/isnanl.m4: Update.
* gnulib/import/m4/largefile.m4: Update.
* gnulib/import/m4/limits-h.m4: Update.
* gnulib/import/m4/localcharset.m4: Update.
* gnulib/import/m4/locale-fr.m4: Update.
* gnulib/import/m4/locale-ja.m4: Update.
* gnulib/import/m4/locale-zh.m4: Update.
* gnulib/import/m4/localtime-buffer.m4: Update.
* gnulib/import/m4/longlong.m4: Update.
* gnulib/import/m4/lstat.m4: Update.
* gnulib/import/m4/malloc.m4: Update.
* gnulib/import/m4/malloca.m4: Update.
* gnulib/import/m4/math_h.m4: Update.
* gnulib/import/m4/mbrtowc.m4: Update.
* gnulib/import/m4/mbsinit.m4: Update.
* gnulib/import/m4/mbsrtowcs.m4: Update.
* gnulib/import/m4/mbstate_t.m4: Update.
* gnulib/import/m4/memchr.m4: Update.
* gnulib/import/m4/memmem.m4: Update.
* gnulib/import/m4/mempcpy.m4: Update.
* gnulib/import/m4/memrchr.m4: Update.
* gnulib/import/m4/mkdir.m4: Update.
* gnulib/import/m4/mkstemp.m4: Update.
* gnulib/import/m4/mmap-anon.m4: Update.
* gnulib/import/m4/mode_t.m4: Update.
* gnulib/import/m4/msvc-inval.m4: Update.
* gnulib/import/m4/msvc-nothrow.m4: Update.
* gnulib/import/m4/multiarch.m4: Update.
* gnulib/import/m4/nocrash.m4: Update.
* gnulib/import/m4/off_t.m4: Update.
* gnulib/import/m4/onceonly.m4: Update.
* gnulib/import/m4/open-cloexec.m4: Update.
* gnulib/import/m4/open.m4: Update.
* gnulib/import/m4/openat.m4: Update.
* gnulib/import/m4/opendir.m4: Update.
* gnulib/import/m4/pathmax.m4: Update.
* gnulib/import/m4/rawmemchr.m4: Update.
* gnulib/import/m4/readdir.m4: Update.
* gnulib/import/m4/readlink.m4: Update.
* gnulib/import/m4/realloc.m4: Update.
* gnulib/import/m4/rename.m4: Update.
* gnulib/import/m4/rewinddir.m4: Update.
* gnulib/import/m4/rmdir.m4: Update.
* gnulib/import/m4/save-cwd.m4: Update.
* gnulib/import/m4/secure_getenv.m4: Update.
* gnulib/import/m4/setenv.m4: Update.
* gnulib/import/m4/signal_h.m4: Update.
* gnulib/import/m4/ssize_t.m4: Update.
* gnulib/import/m4/stat-time.m4: Update.
* gnulib/import/m4/stat.m4: Update.
* gnulib/import/m4/std-gnu11.m4: Update.
* gnulib/import/m4/stdbool.m4: Update.
* gnulib/import/m4/stddef_h.m4: Update.
* gnulib/import/m4/stdint.m4: Update.
* gnulib/import/m4/stdio_h.m4: Update.
* gnulib/import/m4/stdlib_h.m4: Update.
* gnulib/import/m4/strchrnul.m4: Update.
* gnulib/import/m4/strdup.m4: Update.
* gnulib/import/m4/strerror.m4: Update.
* gnulib/import/m4/string_h.m4: Update.
* gnulib/import/m4/strstr.m4: Update.
* gnulib/import/m4/strtok_r.m4: Update.
* gnulib/import/m4/sys_socket_h.m4: Update.
* gnulib/import/m4/sys_stat_h.m4: Update.
* gnulib/import/m4/sys_time_h.m4: Update.
* gnulib/import/m4/sys_types_h.m4: Update.
* gnulib/import/m4/tempname.m4: Update.
* gnulib/import/m4/time_h.m4: Update.
* gnulib/import/m4/unistd-safer.m4: Update.
* gnulib/import/m4/unistd_h.m4: Update.
* gnulib/import/m4/warn-on-use.m4: Update.
* gnulib/import/m4/wchar_h.m4: Update.
* gnulib/import/m4/wchar_t.m4: Update.
* gnulib/import/m4/wctype_h.m4: Update.
* gnulib/import/m4/wint_t.m4: Update.
* gnulib/import/malloc.c: Update.
* gnulib/import/malloc/scratch_buffer.h: Update.
* gnulib/import/malloc/scratch_buffer_grow.c: Update.
* gnulib/import/malloc/scratch_buffer_grow_preserve.c: Update.
* gnulib/import/malloc/scratch_buffer_set_array_size.c: Update.
* gnulib/import/malloca.c: Update.
* gnulib/import/malloca.h: Update.
* gnulib/import/malloca.valgrind: Update.
* gnulib/import/math.in.h: Update.
* gnulib/import/mbrtowc.c: Update.
* gnulib/import/mbsinit.c: Update.
* gnulib/import/mbsrtowcs-impl.h: Update.
* gnulib/import/mbsrtowcs-state.c: Update.
* gnulib/import/mbsrtowcs.c: Update.
* gnulib/import/memchr.c: Update.
* gnulib/import/memmem.c: Update.
* gnulib/import/mempcpy.c: Update.
* gnulib/import/memrchr.c: Update.
* gnulib/import/mkdir.c: Update.
* gnulib/import/mkstemp.c: Update.
* gnulib/import/msvc-inval.c: Update.
* gnulib/import/msvc-inval.h: Update.
* gnulib/import/msvc-nothrow.c: Update.
* gnulib/import/msvc-nothrow.h: Update.
* gnulib/import/open.c: Update.
* gnulib/import/openat-die.c: Update.
* gnulib/import/openat-priv.h: Update.
* gnulib/import/openat-proc.c: Update.
* gnulib/import/openat.c: Update.
* gnulib/import/openat.h: Update.
* gnulib/import/opendir.c: Update.
* gnulib/import/pathmax.h: Update.
* gnulib/import/pipe-safer.c: Update.
* gnulib/import/rawmemchr.c: Update.
* gnulib/import/readdir.c: Update.
* gnulib/import/readlink.c: Update.
* gnulib/import/realloc.c: Update.
* gnulib/import/ref-add.sin: Update.
* gnulib/import/ref-del.sin: Update.
* gnulib/import/rename.c: Update.
* gnulib/import/rewinddir.c: Update.
* gnulib/import/rmdir.c: Update.
* gnulib/import/same-inode.h: Update.
* gnulib/import/save-cwd.c: Update.
* gnulib/import/save-cwd.h: Update.
* gnulib/import/scratch_buffer.h: Update.
* gnulib/import/secure_getenv.c: Update.
* gnulib/import/setenv.c: Update.
* gnulib/import/signal.in.h: Update.
* gnulib/import/stat-time.c: Update.
* gnulib/import/stat-time.h: Update.
* gnulib/import/stat-w32.c: Update.
* gnulib/import/stat-w32.h: Update.
* gnulib/import/stat.c: Update.
* gnulib/import/stdbool.in.h: Update.
* gnulib/import/stddef.in.h: Update.
* gnulib/import/stdint.in.h: Update.
* gnulib/import/stdio.in.h: Update.
* gnulib/import/stdlib.in.h: Update.
* gnulib/import/str-two-way.h: Update.
* gnulib/import/strchrnul.c: Update.
* gnulib/import/strdup.c: Update.
* gnulib/import/streq.h: Update.
* gnulib/import/strerror-override.c: Update.
* gnulib/import/strerror-override.h: Update.
* gnulib/import/strerror.c: Update.
* gnulib/import/string.in.h: Update.
* gnulib/import/stripslash.c: Update.
* gnulib/import/strnlen1.c: Update.
* gnulib/import/strnlen1.h: Update.
* gnulib/import/strstr.c: Update.
* gnulib/import/strtok_r.c: Update.
* gnulib/import/sys_stat.in.h: Update.
* gnulib/import/sys_time.in.h: Update.
* gnulib/import/sys_types.in.h: Update.
* gnulib/import/tempname.c: Update.
* gnulib/import/tempname.h: Update.
* gnulib/import/time.in.h: Update.
* gnulib/import/unistd--.h: Update.
* gnulib/import/unistd-safer.h: Update.
* gnulib/import/unistd.in.h: Update.
* gnulib/import/unsetenv.c: Update.
* gnulib/import/verify.h: Update.
* gnulib/import/extra/snippet/warn-on-use.h: Update.
* gnulib/import/wchar.in.h: Update.
* gnulib/import/wctype.in.h: Update.
* gnulib/import/xalloc-oversized.h: Update.
* gnulib/update-gnulib.sh (GNULIB_COMMIT_SHA1): Set to
"53e2c179f26a890fa6685af4b6c1397ee370433b".
|
|
old_inferior_ptid is unused, this is caught by a gcc built from git
recently, not sure about previous versions:
/home/emaisin/src/binutils-gdb/gdb/record-btrace.c: In function ‘frame_info* get_thread_current_frame(thread_info*)’:
/home/emaisin/src/binutils-gdb/gdb/record-btrace.c:1974:10: error: unused variable ‘old_inferior_ptid’ [-Werror=unused-variable]
1974 | ptid_t old_inferior_ptid;
| ^~~~~~~~~~~~~~~~~
gdb/ChangeLog:
* record-btrace.c (get_thread_current_frame): Remove
old_inferior_ptid.
|
|
ada_value_struct_elt is used when displaying a component (say, 'N') of
a record object (say, 'Obj') of type, say, 't1'. Now if Obj is tagged
(Ada parlance: "tagged types" are what other object-oriented languages
call "classes"), then 'N' may not be visible in the current view and
we need to look for it in its actual type. We do that at the same time
as resolving variable-length fields. This would typically be done by
the following call to ada_value_struct_elt, with the last parameter
check_tag set to 1:
t1 = ada_to_fixed_type (ada_get_base_type (t1), NULL,
address, NULL, 1);
This is the general logic, but recently we introduced a special case
to handle homonyms. Different components may have the same name in a
tagged type. For instance:
type Top_T is tagged record
N : Integer := 1;
end record;
type Middle_T is new Top.Top_T with record
N : Character := 'a';
end record;
Middle_T extends Top_T and both define a (different) component with
the same name ('N'). In such a case, using the actual type of a
Middle_T object would create a confusion, since we would have two
component 'N' in this actual type.
So, to handle homonyms, we convert t1 to the actual type *if
and only if* N cannot be found in the current view. For example, if Obj
has been created as a Middle_T but is seen as a Top_T'Class at our
point of execution, then "print Obj.N" will display the integer field
defined in Top_T's declaration.
Now, even if we find N in the current view, we still have to get a
fixed type: for instance, the record can be unconstrained and we still
need a fixed type to get the proper offset to each field. That is
to say, in this case:
type Dyn_Top_T (Disc : Natural) is tagged record
S : Integer_Array (1 .. Disc) := (others => Disc);
N : Integer := 1;
end record;
type Dyn_Middle_T is new Dyn_Top.Dyn_Top_T with record
N : Character := 'a';
U : Integer := 42;
end record;
If we have an object Obj of type Dyn_Middle_T and we want to display
U, we don't need to build, from its tag, a real type with all its real
fields. In other words, we don't need to add the parent components:
Disc, S, and the integer N. We only need to access U and it is
directly visible in Dyn_Middle_T. So no tag handling. However, we do
need to build a fixed-size type to have the proper offset to U (since
this offset to U depends on the size of Obj.S, which itself is dynamic
and depends on the value of Obj.Disc).
We accidentally lost some of this treatment when we introduced the
resolution of homonyms. This patch re-install this part by uncoupling
the tag resolution from the "fixing" of variable-length components.
This change also slightly simplifies the non-tagged case: in the
non-tagged case, no need to set check_tag to 1, since we already know
that there is no tag.
gdb/ChangeLog:
* ada-lang.c (ada_value_struct_elt): Call ada_to_fixed_type
with check_tag to 1 if and only if the type is tagged and the
component being searched cannot been found in the current
view. Otherwise, always call ada_to_fixed_type with
check_tag to 0.
gdb/testsuite/ChangeLog:
* gdb.ada/same_component_name: Add test for case of tagged record
with variable-length fields.
|
|
This patch just avoids code duplication by using a function we
introduced recently (ada_is_access_to_unconstrained_array).
gdb/ChangeLog:
* ada-lang.c (ada_is_access_to_unconstrained_array): Remove static
declaration.
* ada-lang.h: add ada_is_access_to_unconstrained_array prototype.
* ada-varobj.c (ada_varobj_get_number_of_children,
ada_varobj_describe_child, ada_value_is_changeable_p): Cleanup code.
Tested on x86_64-linux.
No new testcase provided, as this is just a refactoring.
|
|
Using this Ada code:
type String_Access is access String;
type Array_Of_String is array (1 .. 2) of String_Access;
Aos : Array_Of_String := (new String'("ab"), new String'("cd"));
When debugging with GDB, printing each Aos element displays:
(gdb) print Aos(1)
$2 = "ab"
(gdb) print Aos(2)
$3 = "cd"
Whereas it should display:
(gdb) print Aos(1)
$2 = (foo_r118_024.string_access) 0x635018
(gdb) print Aos(2)
$3 = (foo_r118_024.string_access) 0x635038
Notice that printing the entire array works:
(gdb) print Aos
$1 = (0x635018, 0x635038)
The problem was located in ada_value_print function and due to the fact
that the value_type used in this function was based on
value_enclosing_type rather than value_type itself.
In our example, the difference between the value_type and the
value_enclosing_type of the value is that the value_type contains an
additional typedef layer which is not present in the value_enclosing_type.
This typedef layer is GNAT's way to specify that the element is, at the
source level, an access to the unconstrained array, rather than the
unconstrained array.
Moreover, the value_enclosing_type is not really needed in that case and
the value_type can be used instead in this function, and this patch fixes
this.
gdb/ChangeLog:
* ada-valprint.c (ada_value_print): Use type instead of
enclosing type.
testsuite/ChangeLog:
* gdb.ada/access_to_unbounded_array.exp: New testcase.
* gdb.ada/access_to_unbounded_array/foo.adb: New file.
* gdb.ada/access_to_unbounded_array/pack.adb: New file.
* gdb.ada/access_to_unbounded_array/pack.ads: New file.
Tested: x86_64-linux
|
|
Using this Ada code:
type String_Access is access String;
type Array_Of_String is array (1 .. 2) of String_Access;
Aos : Array_Of_String := (new String'("ab"), new String'("cd"));
In GDB/MI mode, create a variable which type is Aos, evaluate it:
(gdb) -var-create var1 * Aos
^done,name="var1",numchild="2",value="[2]",type="bar.array_of_string",thread-id="1",has_more="0"
Now print it:
(gdb) -var-list-children 1 var1
^done,numchild="2",children=[child={name="var1.1",exp="1",numchild="1",value="[2] \"ab\"", type="bar.string_access",thread-id="1"},child={name="var1.2",exp="2",numchild="1",value="[2] \"cd\"", type="bar.string_access",thread-id="1"}],has_more="0"
But printed fields "value" are wrong, since it should be:
^done,numchild="2",children=[child={name="var1.1",exp="1",numchild="1",value="0x634018",type="bar.string_access",thread-id="1"},child={name="var1.2",exp="2",numchild="1",value="0x634038",type="bar.string_access",thread-id="1"}],has_more="0"^M
Print each child of var1:
(gdb) -var-evaluate-expression var1.1
^done,value="[2] \"ab\""
(gdb) -var-evaluate-expression var1.2
^done,value="[2] \"cd\""
Whereas it should be
(gdb) -var-evaluate-expression var1.1
^done,value="0x635018"
(gdb) -var-evaluate-expression var1.2
^done,value="0x635038"
This patch fixes this.
gdb/ChangeLog:
* ada-lang.c (ada_value_subscript): Handle case when parameter is
an array of access to unconstrained array.
testsuite/ChangeLog
* gdb.ada/mi_string_access.exp: New testcase.
* gdb.ada/mi_string_access/bar.adb: New file.
* gdb.ada/mi_string_access/pck.adb: New file.
* gdb.ada/mi_string_access/pck.asd: New file.
Tested on x86_64-linux.
|
|
Add a new function to check if a given type is an access to an
unconstrained array. This function contains code that is present only
once in the current sources but will be used in a future patch.
gdb/ChangeLog:
* ada-lang.c (ada_is_access_to_unconstrained_array): New function.
(ada_check_typedef): Use it.
Tested on x86_64-linux.
|
|
Using this Ada code:
type Union_Type (A : Boolean := False) is record
case A is
when True => B : Integer;
when False => C : Float;
end case;
end record;
pragma Unchecked_Union (Union_Type);
Ut : Union_Type := (A => True, B => 3);
In GDB/MI mode, once creating a varobj from variable "Ut" as follow:
(gdb) -var-create var1 * ut
^done,name="var1",numchild="2",value="{...}",type="foo.union_type",thread-id="1",has_more="0"
Printing the list of its children displays:
(gdb) -var-list-children 1 var1
^error,msg="Duplicate variable object name"
Whereas it should be
(gdb) -var-list-children 1 var1
^done,numchild="2",children=[child={name="var1.b",exp="b",numchild="0",value="3",type="integer",thread-id="1"},child={name="var1.c",exp="c",numchild="0",value="4.20389539e-45",type="float",thread-id="1"}],has_more="0"
The problem occurs because ada_varobj_describe_struct_child wasn't
handling unions. This patch fixes this.
gdb/ChangeLog:
* ada-varobj.c (ada_varobj_describe_struct_child)
(ada_varobj_describe_child): Handle union case like struct one.
testsuite/ChangeLog
* gdb.ada/mi_var_union.exp: New testcase.
* gdb.ada/mi_var_union/bar.adb: New file.
* gdb.ada/mi_var_union/pck.adb: New file.
* gdb.ada/mi_var_union/pck.asd: New file.
Tested on x86_64-linux.
|
|
This removes the remaining trailing periods from the Python section
titles. I thought these looked weird and I don't this is generally
done in the gdb documentation.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
* python.texi (Frames In Python, Blocks In Python)
(Symbols In Python, Symbol Tables In Python)
(Lazy Strings In Python): Remove periods from section titles.
|
|
I thought the start of the Pretty Printing API node read a bit
strangely. This patch swaps the first two sentences, which seems
better.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
* python.texi (Pretty Printing API): Swap sentence order.
|
|
PR python/16461 asks that the Python dynamic_type documentation
mention virtual tables; this patch implements that request.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/16461:
* python.texi (Values From Inferior): Mention use of virtual
table.
|
|
I noticed that the decode_line documentation did not have parens
around the argument:
-- Function: gdb.decode_line [expression]
This patch fixes this oversight.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
* python.texi (Basic Python): Parenthesize argument to
decode_line.
|
|
This updates python.texi to note that gdb can be compiled against
either major version of Python. It also removes the "execfile"
example, because that is specific to Python 2.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
* python.texi (Python): Mention Python versions. Don't mention
execfile.
|
|
PR python/19808 points out a few issues in the Python unwinder
documentation. This patch update the documentation for
create_unwind_info and read_register to address the issues noted, and
adds a cautionary note about writing an unwinder.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/19808:
* python.texi (Unwinding Frames in Python): Rewrite
create_unwind_info documentation. Update read_register
documentation and add a note about unwinder caution.
|
|
PR python/18909 points out that the gdb.events.inferior_call
documentation was incorrect. This patch brings it in line with the
code.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/18909:
* python.texi (Events In Python): Fix inferior_call
documentation.
|
|
This fixes a few frame filter documentation omissions noted in
PR python/17752.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/17752:
* python.texi (Frame Filter API): Remove period from subsection
title. Mention 100 as good default priority.
(Frame Decorator API): Remove period from subsection title.
Mention FrameDecorator module.
|
|
PR python/23108 points out that the gdb.GdbError documentation is
somewhat difficult to find. The exception is apparently just
mentioned in passing. This patch introduces a new table and adds a
bit more text to try to make it more obvious.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/23108:
* python.texi (Exception Handling): Rearrange gdb.GdbError text
and add a table.
|
|
"make info" gives a number of warnings about the use of a "." in
@ref-like commands. These come from the ".info" suffix. I think this
suffix is redundant, and removing the suffix also removes the warning.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
* gdb.texinfo (Compilation): Use "gcc", not "gcc.info", in @xref.
(Machine Code): Use "binutils", not "binutils.info", in @pxref.
(Separate Debug Files): Use "ld", not "ld.info", in @ref.
* python.texi (Objfiles In Python): Use "ld", not "ld.info", in @ref.
|
|
PR python/18380 points out that the example in the "help python" text
will only work in Python 2. This changes the example to be valid
syntax for both Python 2 and Python 3.
gdb/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/18380:
* python/python.c (_initialize_python): Make example in "python"
help work in Python 3.
|
|
PR python/16484 points out that Frame.block can throw an exception,
but this is not documented.
This patch fixes the documentation. Changing Frame.block to return
None would be nice, but I suspect it's too late for that change.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/16484:
* python.texi (Frames In Python): Document that Frame.block can
throw.
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PR python/23487 points out that the "disable pretty-printer" example
has a typo that makes it incorrect. This patch fixes the typo.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/23487:
* gdb.texinfo (Pretty-Printer Commands): Fix typo in example.
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PR python/16033 points out that Block.end doesn't describe whether it
is inclusive or exclusive. This patch fixes the documentation.
gdb/doc/ChangeLog
2018-09-10 Tom Tromey <tom@tromey.com>
PR python/16033:
* python.texi (Blocks In Python): Document that Block.end is
exclusive.
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gdb/ChangeLog:
2018-09-10 Eli Zaretskii <eliz@gnu.org>
* Makefile.in (transformed_name): Use INSTALL_SCRIPT instead of
INSTALL_PROGRAM to install gdb-add-index.sh. Don't append
$(EXEEXT) to the script, as it is not a program.
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I noticed that we release a gdbpy_ref in pretty_print_one_value only to
create it again later. This patch fills the gap by returning a
gdbpy_ref all the way.
gdb/ChangeLog:
* python/py-prettyprint.c (pretty_print_one_value): Return
gdbpy_ref<>.
(print_string_repr): Adjust.
(apply_varobj_pretty_printer): Return gdbpy_ref<>.
* python/python-internal.h (apply_varobj_pretty_printer): Return
gdbpy_ref<>.
* varobj.c (varobj_value_get_print_value): Adjust.
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I noticed that the py-prettyprint.exp test names were not unique.
This patch fixes the problem via with_test_prefix.
gdb/testsuite/ChangeLog
2018-09-08 Tom Tromey <tom@tromey.com>
* gdb.python/py-prettyprint.exp: Use with_test_prefix.
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