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I see the following warning in gdb.base/fileio.c,
testsuite/gdb.base/fileio.c:297:3: warning: null argument where non-null required (argument 1) [-Wnonnull]
ret = stat (NULL, &st);
^
This patch adds "nowarnings" to the list passed to gdb_compile.
gdb/testsuite:
2017-05-17 Yao Qi <yao.qi@linaro.org>
* gdb.base/fileio.exp: Pass nowarnings to gdb_compile.
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When we add alias command, we call add_alias_cmd and pass the alias name
and command name. This implicitly requires the command and its prefix
commands are already added to cmdlist. This may not be true, for example,
add_com_alias ("tty", "set inferior-tty", class_alias, 0);
"inferior-tty" command is added to setlist, but setlist may not be added
to cmdlist (It depends on the order of related _initialize_XXX functions
called) so that we can't find "set inferior-tty" from cmdlist.
This patch fixes this problem by passing cmd_list_element of "inferior-tty"
to add_alias_cmd, so that cmd_list_element of "inferior-tty" doesn't have
to be reachable from cmdlist at that moment.
gdb:
2017-05-17 Yao Qi <yao.qi@linaro.org>
* cli/cli-decode.c (add_alias_cmd): New function.
* command.h (add_alias_cmd): Declare.
* infcmd.c (_initialize_infcmd): Don't call add_com_alias,
instead call add_alias_cmd.
gdb/testsuite:
2017-05-17 Simon Marchi <simon.marchi@ericsson.com>
* gdb.base/set-inferior-tty.exp (test_set_inferior_tty): Add
argument command.
(top-level): Invoke test_set_inferior_tty.
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gdb/ChangeLog:
2017-05-17 Pedro Alves <palves@redhat.com>
* Makefile.in (nat_extra_makefile_frag): Rename to ...
(nat_makefile_frag): ... this. All references updated.
* configure.ac: Likewise.
* configure.nat: Likewise. Enhance comments.
* configure: Regenerate.
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Prompted by the creation of the gdb 8.0 branch, I tried to build it on
x86_64-pc-solaris2.12, but failed:
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c: In function `target_ops* procfs_target()':
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c:186:27: error: invalid conversion from `void (*)(target_ops*, char*, char*, char**, int)' to `void (*)(target_ops*, const char*, const string&, char**, int) {aka void (*)(target_ops*, const char*, const std::__cxx11::basic_string<char>&, char**, int)}' [-fpermissive]
t->to_create_inferior = procfs_create_inferior;
^~~~~~~~~~~~~~~~~~~~~~
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c: At global scope:
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c:125:13: warning: `void procfs_create_inferior(target_ops*, char*, char*, char**, int)' declared `static' but never defined [-Wunused-function]
static void procfs_create_inferior (struct target_ops *, char *,
^~~~~~~~~~~~~~~~~~~~~~
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c:4529:1: warning: `void procfs_create_inferior(target_ops*, const char*, const string&, char**, int)' defined but not used [-Wunused-function]
procfs_create_inferior (struct target_ops *ops, const char *exec_file,
^~~~~~~~~~~~~~~~~~~~~~
This can easily be fixed by the following patch.
* procfs.c (procfs_create_inferior): Change prototype to match
definition.
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gdb:
2017-05-13 Eli Zaretskii <eliz@gnu.org>
* tui/tui.c (tui_enable): Cast "unknown" to 'char *' to avoid a
C++ compiler warning.
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The STRUCTOP_STRUCT case in rust_evaluate_subexp would evaluate its
LHS, and then, if it did not need Rust-specific treatment, it would
back up and re-evaluate the entire STRUCTOP_STRUCT part of the
expression using evaluate_subexp_standard. This yields exponential
behavior and causes some expressions to evaluate extremely slowly.
The fix is to simply do the needed work inline.
This is PR rust/21483.
ChangeLog
2017-05-12 Tom Tromey <tom@tromey.com>
PR rust/21483:
* rust-lang.c (rust_evaluate_subexp) <STRUCTOP_STRUCT>: Don't
recurse, just call value_struct_elt directly.
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rust_dump_subexp_body was not correct in a couple of cases. While
debugging the bug I was really interested in, this caused a crash.
This patch fixes the problems. No test case because, IIRC there
generally aren't tests for expression dumping.
ChangeLog
2017-05-12 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_dump_subexp_body) <STRUCTOP_ANONYMOUS,
OP_RUST_ARRAY>: Fix.
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This replaces a "return" with a "break" in rust_print_subexp, for
consistency.
ChangeLog
2017-05-12 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_print_subexp): Replace "return" with "break".
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gdb:
2017-05-09 Yao Qi <yao.qi@linaro.org>
* regcache.c: Include <forward_list>.
(struct regcache_list): Remove.
(current_regcache): Update.
(get_thread_arch_aspace_regcache): Update for std::forward_list.
(regcache_thread_ptid_changed): Likewise.
(registers_changed_ptid): Likewise.
(current_regcache_size): Likewise.
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This patch adds a unit test to current_regcache, to make sure it is
correctly updated by get_thread_arch_aspace_regcache and
registers_changed_ptid.
gdb:
2017-05-09 Yao Qi <yao.qi@linaro.org>
* regcache.c [GDB_SELF_TEST]: Include selftest.h.
(current_regcache_size): New function.
(current_regcache_test): New function.
(_initialize_regcache) [GDB_SELF_TEST]: Register the unit test.
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gdb/
* mips-tdep.c (mips_o32_return_value): Remove unused buffer.
(print_gp_register_row): Use get_frame_register_value.
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gdb/
* mips-linux-tdep.c (mips_supply_gregset): Use raw_supply_zeroed.
(mips_supply_fpregset): Likewise.
(mips64_supply_gregset): Likewise.
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gdb/
* mn10300-linux-tdep.c (am33_supply_gregset_method): Use
regcache->raw_supply_zeroed.
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The previous commit introduced gdb/configure.nat, but it was just a
copy-and-past (with the necessary adjustments) from the files under
gdb/config/. We can do better than that.
Instead of using one big 'case' statement that matches the
${gdb_host_cpu} and then match each ${gdb_host}, it is possible to
remove a lof of redundancy by matching the most common ${gdb_host}'s
first, setting the common variables for each, and then proceed to
matching specific ${gdb_host}'s and ${gdb_host_cpu}'s. In other
words, reverse the order of the 'case's and take advantage of the fact
that a lot of parameters are the same for each host.
This commit was tested on x86_64 without regressions.
gdb/ChangeLog:
2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com>
* configure.nat: Rearrange 'case' statements to match
host before cpu.
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Due to my ongoing work to make it possible for gdbserver to start the
inferior using the shell, I had to share the fork_inferior function
under the "nat/" directory. In order to do that, I created a new file
and put the function there; however, this meant that I now had to
update some of the *.mh files (under "gdb/config") and add the new
file as a dependency to be built natively. Bleh...
After talking a bit to Pedro about this, the idea came up to write a
new "gdb/configure.nat" file, a la "gdb/configure.tgt", which would
concentrate all of the native settings for each host/system. I
decided to tackle this issue.
The patch is simple. All of the previous Makefile variables that were
being declared inside the *.mh files are now inside "gdb/Makefile.in",
and "gdb/configure" is responsible for AC_SUBST'ing them. The
definitions of these variables were put inside "gdb/configure.nat", so
now they're shell variables. For excerpts of Makefile code, one must
create a file under "gdb/config/${gdb_cpu_host}" and reference it on
the "nat_extra_makefile_frag" variable.
It should now be easier to update the native dependencies of hosts in
this single file.
This has been tested on x86_64 without regressions.
gdb/ChangeLog:
2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile.in: Remove "@host_makefile_frag@". Add variables
NAT_FILE, NATDEPFILES, NAT_CDEPS, LOADLIBES, MH_CFLAGS, XM_CLIBS,
NAT_GENERATED_FILES, HAVE_NATIVE_GCORE_HOST. Add
"@nat_extra_makefile_frag@".
(Makefile): Remove dependency on "@frags@".
($(GNULIB_BUILDDIR)/Makefile): Likewise.
(data-directory/Makefile): Likewise.
* config/aarch64/linux.mh: Deleted; moved contents to
"gdb/configure.nat".
* config/alpha/alpha-linux.mh: Likewise.
* config/alpha/nbsd.mh: Likewise.
* config/arm/linux.mh: Likewise.
* config/arm/nbsdelf.mh: Likewise.
* config/i386/cygwin.mh: Likewise.
* config/i386/cygwin64.mh: Likewise.
* config/i386/darwin.mh: Likewise.
* config/i386/fbsd.mh: Likewise.
* config/i386/fbsd64.mh: Likewise.
* config/i386/go32.mh: Likewise.
* config/i386/i386gnu.mh: Likewise.
* config/i386/i386sol2.mh: Likewise.
* config/i386/linux.mh: Likewise.
* config/i386/linux64.mh: Likewise.
* config/i386/mingw.mh: Likewise.
* config/i386/mingw64.mh: Likewise.
* config/i386/nbsd64.mh: Likewise.
* config/i386/nbsdelf.mh: Likewise.
* config/i386/nto.mh: Likewise.
* config/i386/obsd.mh: Likewise.
* config/i386/obsd64.mh: Likewise.
* config/i386/sol2-64.mh: Likewise.
* config/ia64/linux.mh: Likewise.
* config/m32r/linux.mh: Likewise.
* config/m68k/linux.mh: Likewise.
* config/m68k/nbsdelf.mh: Likewise.
* config/m68k/obsd.mh: Likewise.
* config/m88k/obsd.mh: Likewise.
* config/mips/fbsd.mh: Likewise.
* config/mips/linux.mh: Likewise.
* config/mips/nbsd.mh: Likewise.
* config/mips/obsd64.mh: Likewise.
* config/pa/linux.mh: Likewise.
* config/pa/nbsd.mh: Likewise.
* config/pa/obsd.mh: Likewise.
* config/powerpc/aix.mh: Likewise.
* config/powerpc/fbsd.mh: Likewise.
* config/powerpc/linux.mh: Likewise.
* config/powerpc/nbsd.mh: Likewise.
* config/powerpc/obsd.mh: Likewise.
* config/powerpc/ppc64-linux.mh: Likewise.
* config/powerpc/spu-linux.mh: Likewise.
* config/s390/linux.mh: Likewise.
* config/sh/nbsd.mh: Likewise.
* config/sparc/fbsd.mh: Likewise.
* config/sparc/linux.mh: Likewise.
* config/sparc/linux64.mh: Likewise.
* config/sparc/nbsd64.mh: Likewise.
* config/sparc/nbsdelf.mh: Likewise.
* config/sparc/obsd64.mh: Likewise.
* config/sparc/sol2.mh: Likewise.
* config/tilegx/linux.mh: Likewise.
* config/vax/nbsdelf.mh: Likewise.
* config/vax/obsd.mh: Likewise.
* config/xtensa/linux.mh: Likewise.
* config/i386/i386gnu.mn: New file, with excerpts from
"config/i386/i386gnu.mh".
* configure: Regenerate.
* configure.ac: Rewrite code to use "gdb/configure.nat" instead of
*.mh files under "gdb/config".
* configure.nat: New file, with contents from the
"gdb/config/*/*.mh" files.
gdb/doc/ChangeLog:
2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile: Remove "@host_makefile_frag@".
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Newer GCCs are triggering false-positive -Wmaybe-uninitialized
warnings around code that uses gdb::optional:
https://sourceware.org/ml/gdb-patches/2017-05/msg00118.html
Using std::optional wouldn't help, it triggers the same warnings:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80635
Initializing the variables to quiet the warning would defeat the
purpose of gdb::optional. Making the optional ctor memset its storage
would be a pessimization. Wrapping gdb::optional's internals with
"#pragma GCC diagnostic push/ignored/pop" doesn't work, we'd have to
wrap uses of gdb::optional instead, which I think would get unwieldy
and ugly as we start using gdb::optional more and more.
The -Wmaybe-uninitialized warning is documented as producing false
positives (unlike -Wuninialized), so until we find a better
workaround, disable -Werror for this warning. You'll still see the
warning when building gdb, but it won't cause a build failure.
Tested by building with gcc 4.8.5, 5.3.1, and gcc trunk (20170428).
gdb/ChangeLog:
2017-05-05 Pedro Alves <palves@redhat.com>
* warning.m4 (build_warnings): Add -Wno-error=maybe-uninitialized.
* configure: Regenerate.
gdb/gdbserver/ChangeLog:
2017-05-05 Pedro Alves <palves@redhat.com>
* configure: Regenerate.
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Fix several instances of:
...
python print not f1calls
File "<string>", line 1
print not f1calls
^
SyntaxError: Missing parentheses in call to 'print'
Error while executing Python code.
(gdb) FAIL: gdb.python/py-record-btrace-threads.exp: thread=1: checking thread 1: python print not f1calls
...
gdb/testsuite/ChangeLog:
2017-05-04 Pedro Alves <palves@redhat.com>
* gdb.python/py-record-btrace-threads.exp (check_insn_for_thread):
Add parens to print call for Python 3.
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After all the make_cleanup_restore_current_thread fixing, I thought
I'd convert that and its relatives (which are all cleanups) to RAII
classes.
scoped_restore_current_pspace_and_thread was put in a separate file to
avoid a circular dependency.
Tested on x86-64 Fedora 23, native and gdbserver.
gdb/ChangeLog:
2017-05-04 Pedro Alves <palves@redhat.com>
* Makefile.in (SFILES): Add progspace-and-thread.c.
(HFILES_NO_SRCDIR): Add progspace-and-thread.h.
(COMMON_OBS): Add progspace-and-thread.o.
* breakpoint.c: Include "progspace-and-thread.h".
(update_inserted_breakpoint_locations)
(insert_breakpoint_locations, create_longjmp_master_breakpoint):
Use scoped_restore_current_pspace_and_thread.
(create_std_terminate_master_breakpoint): Use
scoped_restore_current_program_space.
(remove_breakpoint): Use scoped_restore_current_pspace_and_thread.
(print_breakpoint_location): Use
scoped_restore_current_program_space.
(bp_loc_is_permanent): Use
scoped_restore_current_pspace_and_thread.
(resolve_sal_pc): Use scoped_restore_current_pspace_and_thread.
(download_tracepoint_locations): Use
scoped_restore_current_pspace_and_thread.
(breakpoint_re_set): Use scoped_restore_current_pspace_and_thread.
* exec.c (exec_close_1): Use scoped_restore_current_program_space.
(enum step_over_calls_kind): Moved from inferior.h.
(class scoped_restore_current_thread): New class.
* gdbthread.h (make_cleanup_restore_current_thread): Delete
declaration.
(scoped_restore_current_thread): New class.
* infcmd.c: Include "common/gdb_optional.h".
(continue_1, proceed_after_attach): Use
scoped_restore_current_thread.
(notice_new_inferior): Use scoped_restore_current_thread.
* inferior.c: Include "progspace-and-thread.h".
(restore_inferior, save_current_inferior): Delete.
(add_inferior_command, clone_inferior_command): Use
scoped_restore_current_pspace_and_thread.
* inferior.h (scoped_restore_current_inferior): New class.
* infrun.c: Include "progspace-and-thread.h" and
"common/gdb_optional.h".
(follow_fork_inferior): Use
scoped_restore_current_pspace_and_thread.
(scoped_restore_exited_inferior): New class.
(handle_vfork_child_exec_or_exit): Use
scoped_restore_exited_inferior,
scoped_restore_current_pspace_and_thread,
scoped_restore_current_thread and scoped_restore.
(fetch_inferior_event): Use scoped_restore_current_thread.
* linespec.c (decode_line_full, decode_line_1): Use
scoped_restore_current_program_space.
* mi/mi-main.c: Include "progspace-and-thread.h".
(exec_continue): Use scoped_restore_current_thread.
(mi_cmd_exec_run): Use scoped_restore_current_pspace_and_thread.
(mi_cmd_trace_frame_collected): Use scoped_restore_current_thread.
* proc-service.c (ps_pglobal_lookup): Use
scoped_restore_current_program_space.
* progspace-and-thread.c: New file.
* progspace-and-thread.h: New file.
* progspace.c (release_program_space, clone_program_space): Use
scoped_restore_current_program_space.
(restore_program_space, save_current_program_space)
(save_current_space_and_thread): Delete.
(switch_to_program_space_and_thread): Moved to
progspace-and-thread.c.
* progspace.h (save_current_program_space)
(save_current_space_and_thread): Delete declarations.
(scoped_restore_current_program_space): New class.
* remote.c (remote_btrace_maybe_reopen): Use
scoped_restore_current_thread.
* symtab.c: Include "progspace-and-thread.h".
(skip_prologue_sal): Use scoped_restore_current_pspace_and_thread.
* thread.c (print_thread_info_1): Use
scoped_restore_current_thread.
(struct current_thread_cleanup): Delete.
(do_restore_current_thread_cleanup)
(restore_current_thread_cleanup_dtor): Rename/convert both to ...
(scoped_restore_current_thread::~scoped_restore_current_thread):
... this new dtor.
(make_cleanup_restore_current_thread): Rename/convert to ...
(scoped_restore_current_thread::scoped_restore_current_thread):
... this new ctor.
(thread_apply_all_command): Use scoped_restore_current_thread.
(thread_apply_command): Use scoped_restore_current_thread.
* tracepoint.c (tdump_command): Use scoped_restore_current_thread.
* varobj.c (value_of_root_1): Use scoped_restore_current_thread.
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The unconditional is_stopped call already asserts that the thread exists.
gdb/ChangeLog:
2017-05-04 Pedro Alves <palves@redhat.com>
* thread.c (make_cleanup_restore_current_thread): Move
find_thread_ptid call before the is_stopped call. Assert that the
thread is found. Replace is_stopped call by checking the thread's
state directly. Remove unnecessary NULL-thread check.
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This plugs a leak introduced in the previous change to
get_core_register_section, which removed an xfree call that is
actually necessary because the 'section_name' local is static.
From [1] it looks like the reason the variable was made static to
begin with, was just "laziness" to avoid having to think about freeing
it on every function return path:
https://sourceware.org/ml/gdb-patches/2005-03/msg00237.html
The easiest to fix that nowadays is to use a std::string.
I don't see a need to xstrdup the section name in the single-threaded
case though, and also there's more than one place that computes a
multi-threaded section name in the same way. So put the section name
computation in a wrapper class with state.
gdb/ChangeLog:
2017-05-04 Pedro Alves <palves@redhat.com>
* corelow.c (thread_section_name): New class.
(get_core_register_section, get_core_siginfo): Use it.
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In corelow.c I stumbled upon an extra semicolon and an xfree of a NULL
pointer. Remove them.
gdb/ChangeLog:
* corelow.c (sniff_core_bfd): Remove extra semicolon.
(get_core_register_section): Remove xfree of NULL pointer.
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On some platforms, e.g., arm-eabi-none, we need to make certain that
malloc is linked into the program because the test suite uses function
calls requiring malloc:
(gdb) p foo101("abc")
evaluation of this expression requires the program to have a function "malloc".
gdb/testsuite/ChangeLog
* gdb.cp/oranking.cc (dummy): New function to grab malloc.
(main): Call it.
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gdb/
* frv-linux-tdep.c (frv_linux_supply_gregset): Use raw_supply_zeroed.
* regcache.c (regcache::raw_supply_zeroed): New function.
* regcache.h (regcache::raw_supply_zeroed): New declaration.
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As Pedro commented on the patch "Change field separator in gdbarch.sh",
this commented out definition is probably not useful and should be
removed. It has been commented out for basically forever, and it
probably serves the same intent as addressable_memory_unit_size.
gdb/ChangeLog:
* gdbarch.sh: Remove commented out definition of
TARGET_CHAR_BIT.
* gdbarch.h: Re-generate.
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be628ab814f1c90e185d7482d27aa8a991ab5837)
On commit be628ab814f1c90e185d7482d27aa8a991ab5837, both
common/common.m4 was modified in order to check for the presence of
'termios.h', 'termio.h' and 'sgtty.h'. However, I forgot to
regenerate both gdb/configure and gdb/gdbserver/configure. This
commit does that.
gdb/ChangeLog:
2017-05-03 Sergio Durigan Junior <sergiodj@redhat.com>
* configure: Regenerate.
gdb/gdbserver/ChangeLog:
2017-05-03 Sergio Durigan Junior <sergiodj@redhat.com>
* configure: Regenerate.
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Now that we use std::vector, these local variables are not very useful.
They're not much shorter than the expressions they stand for.
gdb/ChangeLog:
* solib-target.c (solib_target_relocate_section_addresses):
Remove num_section_bases, num_bases, segment_bases variables.
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gdb/ChangeLog:
* common/gdb_vecs.h (DEF_VEC_I (CORE_ADDR)): Remove.
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Replace the two VEC fields with std::vector.
gdb/ChangeLog:
* solib-target.c: Include <vector>
(struct lm_info_target) <~lm_info_target>: Remove.
<segment_bases, section_bases>: Change type to
std::vector<CORE_ADDR>.
(library_list_start_segment, library_list_start_section,
library_list_end_library,
solib_target_relocate_section_addresses): Adjust.
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This is a relatively straightforward patch that changes
gdbarch_software_single_step so it returns an std::vector<CORE_ADDR>
instead of a VEC (CORE_ADDR).
gdb/ChangeLog:
* gdbarch.sh (software_single_step): Change return type to
std::vector<CORE_ADDR>.
* gdbarch.c, gdbarch.h: Re-generate.
* arch/arm-get-next-pcs.c (thumb_deal_with_atomic_sequence_raw):
Adjust.
(arm_deal_with_atomic_sequence_raw): Adjust.
(thumb_get_next_pcs_raw): Adjust.
(arm_get_next_pcs_raw): Adjust.
(arm_get_next_pcs): Adjust.
* arch/arm-get-next-pcs.h (arm_get_next_pcs): Adjust.
* aarch64-tdep.c (aarch64_software_single_step): Adjust.
* alpha-tdep.c (alpha_deal_with_atomic_sequence): Adjust.
(alpha_software_single_step): Adjust.
* alpha-tdep.h (alpha_software_single_step): Adjust.
* arm-linux-tdep.c (arm_linux_software_single_step): Adjust.
* arm-tdep.c (arm_software_single_step): Adjust.
(arm_breakpoint_kind_from_current_state): Adjust.
* arm-tdep.h (arm_software_single_step): Adjust.
* breakpoint.c (insert_single_step_breakpoint): Adjust.
* cris-tdep.c (cris_software_single_step): Adjust.
* mips-tdep.c (mips_deal_with_atomic_sequence): Adjust.
(micromips_deal_with_atomic_sequence): Adjust.
(deal_with_atomic_sequence): Adjust.
(mips_software_single_step): Adjust.
* mips-tdep.h (mips_software_single_step): Adjust.
* moxie-tdep.c (moxie_software_single_step): Adjust.
* nios2-tdep.c (nios2_software_single_step): Adjust.
* ppc-tdep.h (ppc_deal_with_atomic_sequence): Adjust.
* rs6000-aix-tdep.c (rs6000_software_single_step): Adjust.
* rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust.
* s390-linux-tdep.c (s390_software_single_step): Adjust.
* sparc-tdep.c (sparc_software_single_step): Adjust.
* spu-tdep.c (spu_software_single_step): Adjust.
* tic6x-tdep.c (tic6x_software_single_step): Adjust.
gdb/gdbserver/ChangeLog:
* linux-arm-low.c (arm_gdbserver_get_next_pcs): Adjust to
software_single_step change of return type to
std::vector<CORE_ADDR>.
* linux-low.c (install_software_single_step_breakpoints):
Likewise.
* linux-low.h (install_software_single_step_breakpoints):
Likewise.
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The fields in the description of the gdbarch interface are separated
using colons. That becomes a problem if we want to use things like
std::vector in it. This patch changes the field separator to use
semicolons instead.
I think there's very little chance we'll ever want to use a semicolon in
one of the fields, but if you think another character would be more
appropriate, let me know.
gdb/ChangeLog:
* gdbarch.sh: Use semi-colon as field separator instead of colon.
* gdbarch.h: Re-generate.
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This adds a generic instruction class to Python and has gdb.RecordInstruction
inherit from it.
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Remove gdb.BtraceFunctionCall and replace by gdb.FunctionSegment. Additionally,
rename prev_segment and next_segment to prev and next.
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Remove gdb.BtraceInstruction and replace by gdb.RecordInstruction.
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As discussed here: https://sourceware.org/ml/gdb-patches/2017-04/msg00157.html
A gap is not an instruction and it should not pretend to be one.
gdb.Record.instruction_history is now a list of gdb.RecordInstruction and
gdb.RecordGap objects. This allows the user to deal with Gaps in the record
in a more sane way.
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As discussed here: https://sourceware.org/ml/gdb-patches/2017-04/msg00166.html
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The user would always get the instruction_history and function_call_history
objects of the current thread, not the thread for which the gdb.Record object
was created.
The attached testcase fails without this patch and passes with the patch.
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gdb/ChangeLog:
* MAINTAINERS: Move Daniel Jacobowitz and Mark Kettenis to
the past maintainers section.
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This has been on my TODO list for a while. There's a really old bug
about this (PR testsuite/8595), and there was no reason for
environ.exp to be specific for hppa* targets. So this patch removes
this constraint, modernizes the testcase, and cleans up some things.
Most of the tests remained, and some were rewritten (especially the
one that checks if "show environment" works, which is something kind
of hard to do).
As a bonus, I'm adding a separated info-program.exp file containing
all the tests related to "info program" that were present on
environ.exp.
Tested locally, everything still passes.
gdb/testsuite/ChangeLog:
2017-04-28 Sergio Durigan Junior <sergiodj@redhat.com>
PR testsuite/8595
* gdb.base/environ.exp: Make test available in all architectures.
Move bits related to "info program" testing to
gdb.base/info-program.exp. Rewrite tests to use the two new
procedures mentione below.
(test_set_show_env_var) New procedure.
(test_set_show_env_var_equal): Likewise.
* gdb.base/info-program.exp: New file.
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With regcache ctor, we can use it to create local object in
get_return_value (), so that the cleanup can be removed.
gdb:
2017-04-28 Yao Qi <yao.qi@linaro.org>
* infcmd.c (get_return_value): Use regcache ctor, and remove
cleanup.
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This patch adds a tag dispatch ctor to create read-only regcache from
a write-through regcache, also this patch deletes copy ctor and
assignment operator.
gdb:
2017-04-28 Yao Qi <yao.qi@linaro.org>
Pedro Alves <palves@redhat.com>
* regcache.c (regcache::regcache): New tag dispatch ctor.
(do_cooked_read): Moved above.
(regcache_dup): Use the tag dispatch ctor..
* regcache.h (regcache): Declare ctor, delete copy ctor and
assignment operator, remove friend regcache_dup.
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regcache_dup, in fact, is to create a readonly regcache from a
non-readonly regcache. This patch adds an assert that src is not
readonly.
gdb:
2017-04-28 Yao Qi <yao.qi@linaro.org>
* regcache.c (regcache_dup): Assert !src->m_readonly_p and
call method save instead of regcache_cpy.
* regcache.h (struct regcache): Make regcache_dup a friend.
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This patch moves regcache declaration to regcache.h, and converts
regcache apis to member functions, for example, regcache_invalidate
is changed to regcache::invalidate.
This patch also add "m_" prefix to these private fields.
gdb:
2017-04-28 Yao Qi <yao.qi@linaro.org>
* regcache.c (struct regcache): Move to regcache.h
(regcache::arch): New method.
(regcache_get_ptid): Update.
(get_regcache_arch): Call arch method.
(get_regcache_aspace): Call method aspace.
(register_buffer): Change it to method.
(regcache_save): Change it to regcache::save.
(regcache_restore): Likewise.
(regcache_cpy_no_passthrough): Remove the declaration.
(regcache_cpy): Call methods restore and cpy_no_passthrough.
(regcache_cpy_no_passthrough): Change it to method
cpy_no_passthrough.
(regcache_register_status): Change it to method
get_register_status.
(regcache_invalidate): Change it to method invalidate.
(regcache_thread_ptid_changed): Use methods ptid and set_ptid.
(regcache_raw_update): Change it to method raw_update.
(regcache_raw_read): Likewise.
(regcache_raw_read_signed): Likewise.
(regcache_raw_read_unsigned): Likewise.
(regcache_raw_write_signed): Likewise.
(regcache_raw_write_unsigned): Likewise.
(regcache_cooked_read): Likewise.
(regcache_cooked_read_value): Likewise.
(regcache_cooked_read_signed): Likewise.
(regcache_cooked_read_unsigned): Likewise.
(regcache_cooked_write_signed): Likewise.
(regcache_cooked_write_unsigned): Likewise.
(regcache_raw_set_cached_value): Likewise.
(regcache_raw_write): Likewise.
(regcache_cooked_write): Likewise.
(regcache_xfer_part): Likewise.
(regcache_raw_read_part): Likewise.
(regcache_raw_write_part): Likewise.
(regcache_cooked_read_part): Likewise.
(regcache_cooked_write_part): Likewise.
(regcache_raw_supply): Likewise.
(regcache_raw_collect): Likewise.
(regcache_transfer_regset): Likewise.
(regcache_supply_regset): Likewise.
(regcache_collect_regset): Likewise.
(regcache_debug_print_register): Likewise.
(enum regcache_dump_what): Move it to regcache.h.
(regcache_dump): Change it to method dump.
* regcache.h (enum regcache_dump_what): New.
(class regcache): New.
* target.c (target_fetch_registers): Call method
debug_print_register.
(target_store_registers): Likewise.
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This patch makes lm_info_windows a "real" class. It initializes the field
and replaces XCNEW/xfree with new/delete.
gdb/ChangeLog:
* windows-nat.c (struct lm_info_windows): Initialize field.
(windows_make_so): Allocate lm_info_windows with new.
(windows_free_so): Free lm_info_windows with delete.
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This patch makes lm_info_darwin a "real" class. It initializes the
field and replaces XCNEW/xfree with new/delete.
gdb/ChangeLog:
* solib-darwin.c (struct lm_info_darwin): Initialize field.
(darwin_current_sos): Allocate lm_info_darwin with new, remove
cleanup.
(darwin_free_so): Free lm_info_darwin with delete.
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This patch makes lm_info_svr4 a "real" class. It initializes fields,
uses bool and replaces XCNEW/xfree with new/delete.
The memcpy in svr4_copy_library_list is replaced by a usage of the
default copy constructor.
gdb/ChangeLog:
* solib-svr4.h (struct lm_info_svr4): Initialize fields.
<l_addr_p>: Change type to bool.
* solib-svr4.c (lm_info_read): Allocate lm_info_svr4 with new.
(svr4_free_so): Free lm_info_svr4 with delete.
(svr4_copy_library_list): Replace memcpy with call to copy
constructor.
(library_list_start_library, svr4_default_sos): Allocate
lm_info_svr4 with new.
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This patch makes lm_info_target a "real" class. It adds a destructor,
uses std::string, initializes the fields and replaces XCNEW/xfree with
new/delete.
gdb/ChangeLog:
* solib-target.c (struct lm_info_target): Add destructor,
initialize fields.
<name>: Change type to std::string.
(library_list_start_library): Allocate lm_info_target with new.
(solib_target_free_library_list): Free lm_info_target with
delete.
(solib_target_current_sos): Adapt to std::string.
(solib_target_free_so): Free lm_info_target with delete.
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This patches makes lm_info_frv a "real" class. It adds a destructor,
initializes the fields and replaces XCNEW/xfree with new/delete.
gdb/ChangeLog:
* solib-frv.c (struct lm_info_frv): Add destructor, initialize
fields.
(frv_current_sos): Allocate lm_info_frv with new.
(frv_relocate_main_executable): Free lm_info_frv with delete,
allocate with new.
(frv_clear_solib, frv_free_so): Free lm_info_frv with delete.
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This patch fixes the indentation of lm_info_frv, so that the real
changes of the following patch are not lost in the reformatting.
gdb/ChangeLog:
* solib-frv.c (struct lm_info_frv): Fix indentation.
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