PR symtab/25470 points out that the Zig programming language allows
integers of various bit sizes (including zero), not just sizes that
are a multiple of 8.
This is supported in DWARF by applying both a byte size and a
DW_AT_bit_size.
This patch adds support for this feature to integer and boolean types.
Other base types are not handled -- for floating-point types, this
didn't seem to make sense, and for character types I didn't see much
need. (These can be added later if desired.)
I've also added support for DW_AT_data_bit_offset at the same time. I
don't know whether the Zig compiler requires this, but it was
described in the same section in the DWARF standard and was easy to
add.
A new test case is supplied, using the DWARF assembler.
gdb/ChangeLog
2020-09-23 Tom Tromey <tom@tromey.com>
PR symtab/25470:
* value.c (unpack_long, pack_long, pack_unsigned_long): Handle bit
offset and bit size.
* printcmd.c (print_scalar_formatted): Handle zero-length
integer.
(print_scalar_formatted): Use bit_size_differs_p.
* gdbtypes.h (enum type_specific_kind) <TYPE_SPECIFIC_INT>: New
constant.
(union type_specific): <int_stuff>: New member.
(struct type) <bit_size_differs_p, bit_size, bit_offset>: New
methods.
* gdbtypes.c (init_integer_type, init_boolean_type): Initialize
TYPE_SPECIFIC_FIELD.
(recursive_dump_type, copy_type_recursive): Update.
* dwarf2/read.c (read_base_type): Handle DW_AT_bit_size and
DW_AT_data_bit_offset.
gdb/testsuite/ChangeLog
2020-09-23 Tom Tromey <tom@tromey.com>
* gdb.dwarf2/intbits.exp: New file.
* gdb.dwarf2/intbits.c: New file.
This changes gdb/compile to use gdb_argv directly, rather than
manually managing the arrays itself. A few new helpers are added to
gdb_argv.
gdb/ChangeLog
2020-09-23 Tom Tromey <tom@tromey.com>
* utils.h (class gdb_argv): Add move operators.
<append>: New methods.
* compile/compile.c (build_argc_argv): Remove.
(compile_args_argc): Remove.
(compile_args_argv): Change type.
(set_compile_args): Simplify.
(append_args): Remove.
(filter_args): Remove argcp parameter.
(get_args): Return gdb_argv. Simplify.
(compile_to_object): Update.
This simplifies compile_module cleanup by removing the need to
explicitly free anything. struct setup_sections_data is also cleaned
up a bit.
gdb/ChangeLog
2020-09-23 Tom Tromey <tom@tromey.com>
* compile/compile-object-run.c (do_module_cleanup)
<~do_module_cleanup> :Remove.
(do_module_cleanup): Update.
* compile/compile-object-load.h (struct munmap_list): Add move
assignment operator.
<source_file>: Now a std::string.
<munmap_list>: Rename. No longer a pointer.
* compile/compile-object-load.c (struct setup_sections_data): Add
constructor.
<setup_one_section>: Declare.
<munmap_list>: Move earlier.
<m_bfd>: New member.
<m_last_size, m_last_section_first, m_last_prot,
m_last_max_alignment>: Rename, add initializers where needed.
(setup_sections_data::setup_one_section): Rename from
setup_sections. Update.
(compile_object_load): Update. Don't use bfd_map_over_sections.
This changes the do_module_cleanup structure to simply hold on to the
module itself. This lets us remove most members from
do_module_cleanup.
gdb/ChangeLog
2020-09-23 Tom Tromey <tom@tromey.com>
* compile/compile-object-run.c (struct do_module_cleanup): Add
parameters to constructor. Update destructor.
<source_file, scope, scope_data, out_value_type, out_value_addr,
munmap_list_head, objfile_name_string>: Remove.
<module>: New member.
(do_module_cleanup): Update.
(compile_object_run): Update.
This introduces compile_module_up, a unique pointer for
compile_module, and changes a few spots to use it.
gdb/ChangeLog
2020-09-23 Tom Tromey <tom@tromey.com>
* compile/compile.c (eval_compile_command): Update.
* compile/compile-object-run.h (compile_object_run): Take a
compile_module_up.
* compile/compile-object-run.c (compile_object_run): Take a
compile_module_up.
* compile/compile-object-load.h (struct compile_module): Add
constructor, destructor.
(compile_module_up): New typedef.
(compile_object_load): Return compile_object_up.
* compile/compile-object-load.c (compile_object_load): Return
compile_module_up.
This changes do_module_cleanup to use new and delete. It also removes
the use of the struct hack from this object -- this requires more
allocations for now, but this will be removed in a subsequent patch.
gdb/ChangeLog
2020-09-23 Tom Tromey <tom@tromey.com>
* compile/compile-object-run.c (struct do_module_cleanup): Add
constructor, destructor.
<objfile_name_string>: Don't use struct hack.
(do_module_cleanup): Use delete.
(compile_object_run): Use new.
This changes gdb's compile code to use std::vector in a couple of
places, rather than manual memory management.
gdb/ChangeLog
2020-09-23 Tom Tromey <tom@tromey.com>
* compile/compile-cplus-types.c
(compile_cplus_convert_struct_or_union): Use std::vector.
(compile_cplus_convert_func): Likewise.
* compile/compile-c-types.c (convert_func): Use std::vector.
sparc can fail at inline prologue skipping. Andrew Burgess tracked
this down to sparc32_skip_prologue, which should use
skip_prologue_using_sal rather than its hand-rolled variant.
I don't have a good way to test this with the gdb test suite (is there
a board file for using qemu? That would help), but it fixes a
regression in the internal AdaCore test suite. We've had this patch
internally at AdaCore for a while, but I just now finally got around
to making sure that backing it out reintroduces the problem.
gdb/ChangeLog
2020-09-21 Tom Tromey <tromey@adacore.com>
* sparc-tdep.c (sparc32_skip_prologue): Use
skip_prologue_using_sal.
This changes generic_load to avoid bfd_map_over_sections, in favor of
iteration.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* symfile.c (add_section_size_callback): Remove.
(load_one_section): Rename from load_section_callback. Change
parameters.
(generic_load): Use foreach.
This changes build_section_table to avoid bfd_map_over_sections, in
favor of iteration. In this situation it seemed simple to just remove
the helper function entirely.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* exec.c (add_to_section_table): Remove.
(build_section_table): Use foreach.
This changes elf_symfile_read to avoid bfd_map_over_sections, in favor
of iteration.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* elfread.c (elf_locate_sections): Change parameters.
(elf_symfile_read): Use foreach.
This changes restore_command to avoid bfd_map_over_sections, in favor
of iteration. A helper data structure can also be removed by this
patch.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* cli/cli-dump.c (struct callback_data): Remove.
(restore_one_section): Rename from restore_section_callback.
Change parameters.
(restore_binary_file): Change parameters.
(restore_command): Use foreach.
This changes gcore_memory_sections to avoid bfd_map_over_sections, in
favor of iteration.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* gcore.c (make_output_phdrs): Remove 'ignored' parameter.
(gcore_copy_callback): Likewise.
(gcore_memory_sections): Use foreach.
This changes some ELF osabi tag-sniffing functions to avoid
bfd_map_over_sections, in favor of iteration. I could only readily
test the generic one.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* osabi.h (generic_elf_osabi_sniff_abi_tag_sections): Update.
* osabi.c (generic_elf_osabi_sniff_abi_tag_sections): Change
parameters.
(generic_elf_osabi_sniffer): Use foreach.
* mips-sde-tdep.c (mips_sde_elf_osabi_sniffer): Use foreach.
* arm-tdep.c (arm_elf_osabi_sniffer): Use foreach.
This changes some functions in dwarf2/read.c to avoid
bfd_map_over_sections, in favor of iteration.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (locate_dwz_sections): Change parameters.
(dwarf2_get_dwz_file): Use foreach.
(dwarf2_locate_dwo_sections): Change parameters.
(open_and_init_dwo_file): Use foreach.
(dwarf2_locate_common_dwp_sections): Change parameters.
(open_and_init_dwp_file): Use foreach.
This changes some functions in symfile.c to avoid
bfd_map_over_sections, in favor of iteration. Some helper types can
also be removed due to this change.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* symfile.h: (find_lowest_section): Don't declare.
* symfile.c (find_lowest_section): Now static. Change
parameters.
(struct place_section_arg): Remove.
(place_section): Change parameters.
(addr_info_make_relative): Use foreach.
(symfile_dummy_outputs): Remove.
(default_symfile_relocate): Use foreach.
This changes build_objfile_section_table to avoid
bfd_map_over_sections, in favor of iteration.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* objfiles.c (add_to_objfile_sections): Rename from
add_to_objfile_sections_full.
(add_to_objfile_sections): Remove.
(build_objfile_section_table): Use foreach.
This changes get_stap_base_address to avoid bfd_map_over_sections, in
favor of iteration.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* stap-probe.c (get_stap_base_address_1): Remove.
(get_stap_base_address): Use foreach.
This changes gdb_bfd_close_or_warn to avoid bfd_map_over_sections, in
favor of iteration.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* gdb_bfd.c (free_one_bfd_section): Remove 'abfd' and 'ignore'
parameters.
(gdb_bfd_close_or_warn): Use foreach.
This changes core_target_open to avoid bfd_map_over_sections, in favor
of iteration.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* corelow.c (add_to_thread_list): Change parameters.
(core_target_open): Use foreach.
This adds a new overload of gdb_bfd_sections, that accepts a
gdb_bfd_ref_ptr. This also fixes the formatting of the existing
function, since I happened to notice it was mildly off.
gdb/ChangeLog
2020-09-19 Tom Tromey <tom@tromey.com>
* gdb_bfd.h (gdb_bfd_sections): New overload. Fix formatting of
existing function.
This commit makes the whitespace usage when printing Fortran arrays
more consistent, and more inline with how we print C arrays.
Currently a 2 dimensional Fotran array is printed like this, I find
the marked whitespace unpleasant:
(( 1, 2, 3) ( 4, 5, 6) )
^ ^ ^
After this commit the same array is printed like this:
((1, 2, 3) (4, 5, 6))
Which seems more inline with how we print C arrays, in the case of C
arrays we don't add extra whitespace before the first element.
gdb/ChangeLog:
* f-valprint.c (f77_print_array_1): Adjust printing of whitespace
for arrays.
gdb/testsuite/ChangeLog:
* gdb.fortran/array-slices.exp: Update expected results.
* gdb.fortran/class-allocatable-array.exp: Likewise.
* gdb.fortran/multi-dim.exp: Likewise.
* gdb.fortran/vla-type.exp: Likewise.
* gdb.mi/mi-vla-fortran.exp: Likewise.
The Fortran specific OP_F77_UNDETERMINED_ARGLIST is currently handled
in the generic expression handling code. There's no reason why this
should be the case, so this commit moves handling of this into Fortran
specific files.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* eval.c: Remove 'f-lang.h' include.
(value_f90_subarray): Moved to f-lang.c.
(eval_call): Renamed to...
(evaluate_subexp_do_call): ...this, is no longer static, header
comment moved into header file.
(evaluate_funcall): Update call to eval_call.
(skip_undetermined_arglist): Moved to f-lang.c.
(fortran_value_subarray): Likewise.
(evaluate_subexp_standard): OP_F77_UNDETERMINED_ARGLIST handling
moved to evaluate_subexp_f.
(calc_f77_array_dims): Moved to f-lang.c
* expprint.c (print_subexp_funcall): New function.
(print_subexp_standard): OP_F77_UNDETERMINED_ARGLIST handling
moved to print_subexp_f, OP_FUNCALL uses new function.
(dump_subexp_body_funcall): New function.
(dump_subexp_body_standard): OP_F77_UNDETERMINED_ARGLIST handling
moved to dump_subexp_f, OP_FUNCALL uses new function.
* expression.h (evaluate_subexp_do_call): Declare.
* f-lang.c (value_f90_subarray): Moved from eval.c.
(skip_undetermined_arglist): Likewise.
(calc_f77_array_dims): Likewise.
(fortran_value_subarray): Likewise.
(evaluate_subexp_f): Add OP_F77_UNDETERMINED_ARGLIST support.
(operator_length_f): Likewise.
(print_subexp_f): Likewise.
(dump_subexp_body_f): Likewise.
* fortran-operator.def (OP_F77_UNDETERMINED_ARGLIST): Move
declaration of this operation to here.
* parse.c (operator_length_standard): OP_F77_UNDETERMINED_ARGLIST
support moved to operator_length_f.
* parser-defs.h (dump_subexp_body_funcall): Declare.
(print_subexp_funcall): Declare.
* std-operator.def (OP_F77_UNDETERMINED_ARGLIST): Moved to
fortran-operator.def.
This commit is a refactor of part of the Fortran array and string
handling code.
The current code is split into two blocks, linked, weirdly, with a
goto. After this commit all the code is moved to its own function,
and arrays and strings are now handled using the same code; this will
be useful later when I want to add array stride support where strings
will want to be treated just like arrays, but is a good clean up even
without the array stride work, which is why I'm merging it now.
For now the new function is added as a static within eval.c, even
though the function is Fortran only. A following commit will remove
some of the Fortran specific code from eval.c into one of the Fortran
specific files, including this new function.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* eval.c (fortran_value_subarray): New function, content is taken
from...
(evaluate_subexp_standard): ...here, in two places. Now arrays
and strings both call the new function.
(calc_f77_array_dims): Add header comment, handle strings.
With -m32 -fcf-protection, GCC generates an `endbr32` instruction at the
function entry:
[hjl@gnu-cfl-2 gdb]$ cat /tmp/x.c
int
main(void)
{
return 0;
}
[hjl@gnu-cfl-2 gdb]$ gcc -g -fcf-protection /tmp/x.c -m32
(gdb) b main
Breakpoint 1 at 0x8049176: file /tmp/x.c, line 3.
(gdb) r
Breakpoint 1, main () at /tmp/x.c:3
3 {
(gdb) disass
Dump of assembler code for function main:
=> 0x08049176 <+0>: endbr32
0x0804917a <+4>: push %ebp
0x0804917b <+5>: mov %esp,%ebp
0x0804917d <+7>: mov $0x0,%eax
0x08049182 <+12>: pop %ebp
0x08049183 <+13>: ret
End of assembler dump.
(gdb)
Update i386_analyze_prologue to skip `endbr32`:
(gdb) b main
Breakpoint 1 at 0x804917d: file /tmp/x.c, line 4.
(gdb) r
Breakpoint 1, main () at /tmp/x.c:4
4 return 0;
(gdb) disass
Dump of assembler code for function main:
0x08049176 <+0>: endbr32
0x0804917a <+4>: push %ebp
0x0804917b <+5>: mov %esp,%ebp
=> 0x0804917d <+7>: mov $0x0,%eax
0x08049182 <+12>: pop %ebp
0x08049183 <+13>: ret
End of assembler dump.
(gdb)
Tested with
$ make check RUNTESTFLAGS="--target_board='unix{-m32,}' i386-prologue-skip-cf-protection.exp"
on Fedora 32/x86-64.
2020-0X-YY Victor Collod <vcollod@nvidia.com>
gdb/ChangeLog:
PR gdb/26635
* i386-tdep.c (i386_skip_endbr): Add a helper function to skip endbr.
(i386_analyze_prologue): Call i386_skip_endbr.
gdb/testsuite/ChangeLog:
PR gdb/26635
* gdb.arch/amd64-prologue-skip-cf-protection.exp: Make the test
compatible with i386, and move it to...
* gdb.arch/i386-prologue-skip-cf-protection.exp: ... here.
* gdb.arch/amd64-prologue-skip-cf-protection.c: Move to...
* gdb.arch/i386-prologue-skip-cf-protection.c: ... here.
In this commit:
commit 6108fd1823
Date: Thu Sep 17 11:47:50 2020 -0600
Use htab_up in type copying
A use after free bug was introduced. In compile-object-run.c, in the
function compile_object_run, the code used to look like this:
htab_t copied_types;
/* .... snip .... */
/* OBJFILE may disappear while FUNC_TYPE still will be in use. */
copied_types = create_copied_types_hash (objfile);
func_type = copy_type_recursive (objfile, func_type, copied_types);
htab_delete (copied_types);
/* .... snip .... */
call_function_by_hand_dummy (func_val, NULL, args,
do_module_cleanup, data);
The copied_types table exists on the obstack of objfile, but is
deleted once the call to copy_type_recursive has been completed.
After the change the code now looks like this:
/* OBJFILE may disappear while FUNC_TYPE still will be in use. */
htab_up copied_types = create_copied_types_hash (objfile);
func_type = copy_type_recursive (objfile, func_type, copied_types.get ());
/* .... snip .... */
call_function_by_hand_dummy (func_val, NULL, args,
do_module_cleanup, data);
The copied_types is now a unique_ptr and deleted automatically when it
goes out of scope.
The problem however is that objfile, and its included obstack, may be
deleted by the call to do_module_cleanup, which is called by
call_function_by_hand_dummy.
This means that in the new code the objfile, and its obstack, are
deleted before copied_types is deleted, and as copied_types is on the
objfiles obstack, we are now reading undefined memory.
The solution in this commit is to wrap the call to
create_copied_types_hash and copy_type_recursive into a new static
helper function. The htab_up will then be deleted within the new
function's scope, before objfile is deleted.
This resolves some non-deterministic test failures I was seeing in
gdb.compile/*.exp tests.
gdb/ChangeLog:
* compile/compile-object-run.c (create_copied_type_recursive): New
function.
(compile_object_run): Use new function.
Move windows_core_xfer_shared_libraries() and windows_core_pid_to_str()
to windows-tdep, and use in amd64-windows-tdep.c to handle Cygwin x86_64
core dumps.
v2:
Keep _initialize function at the bottom of the file.
gdb/ChangeLog:
2020-07-01 Jon Turney <jon.turney@dronecode.org.uk>
* windows-tdep.h: Add prototypes.
* i386-windows-tdep.c(windows_core_xfer_shared_libraries): Move.
(i386_windows_core_pid_to_str): Move and rename ...
* windows-tdep.c (windows_core_xfer_shared_libraries): ... to here
(windows_core_pid_to_str): ... and here.
* amd64-windows-tdep.c (amd64_windows_init_abi_common): Register here.
Register a gregset_reg_offset array for Cygwin x86_64 core dump parsing
(this causes the generic i386_iterate_over_regset_sections() '.reg'
section iterator to get installed by i386_gdbarch_init()).
gdb/ChangeLog:
2020-07-01 Jon Turney <jon.turney@dronecode.org.uk>
* amd64-windows-tdep.c(amd64_windows_gregset_reg_offset): Add.
(amd64_windows_init_abi_common): ... and register.
"thread find" with multiple inferiors got broken with the multi-target
work:
Thread 1 "gdb" hit Breakpoint 1, internal_error (...) at ../../src/gdbsupport/errors.cc:51
51 {
(top-gdb) bt
#0 internal_error (file=0xffffd4d0 <error: Cannot access memory at address 0xffffd4d0>, line=0, fmt=0x555556330320 "en_US.UTF-8") at ../../src/gdbsupport/errors.cc:51
#1 0x0000555555bca4c7 in target_thread_name (info=0x555556801290) at ../../src/gdb/target.c:2035
#2 0x0000555555beb07a in thread_find_command (arg=0x7fffffffe08e "1", from_tty=0) at ../../src/gdb/thread.c:1959
#3 0x000055555572ec49 in do_const_cfunc (c=0x555556786bc0, args=0x7fffffffe08e "1", from_tty=0) at ../../src/gdb/cli/cli-decode.c:95
#4 0x0000555555732abd in cmd_func (cmd=0x555556786bc0, args=0x7fffffffe08e "1", from_tty=0) at ../../src/gdb/cli/cli-decode.c:2181
#5 0x0000555555bf1245 in execute_command (p=0x7fffffffe08e "1", from_tty=0) at ../../src/gdb/top.c:664
#6 0x00005555559cad10 in catch_command_errors (command=0x555555bf0c31 <execute_command(char const*, int)>, arg=0x7fffffffe082 "thread find 1", from_tty=0) at ../../src/gdb/main.c:457
#7 0x00005555559cc33d in captured_main_1 (context=0x7fffffffdb60) at ../../src/gdb/main.c:1218
#8 0x00005555559cc571 in captured_main (data=0x7fffffffdb60) at ../../src/gdb/main.c:1243
#9 0x00005555559cc5e8 in gdb_main (args=0x7fffffffdb60) at ../../src/gdb/main.c:1268
#10 0x0000555555623816 in main (argc=17, argv=0x7fffffffdc78) at ../../src/gdb/gdb.c:32
The problem is that we're not switching to the inferior/target before
calling target methods, which trips on an assertion put in place
exactly to catch this sort of problem.
gdb/testsuite/ChangeLog:
PR gdb/26631
* gdb.multi/multi-target-thread-find.exp: New file.
gdb/ChangeLog:
PR gdb/26631
* thread.c (thread_find_command): Switch inferior before calling
target methods.
While working on something else, I noticed that tdesc_data_cleanup
took a void* parameter. Looking more into this, I found that
tdesc_use_registers expected a transfer of ownership.
I think it's better to express this sort of thing via the type system,
when possible. This patch changes tdesc_data_alloc to return a unique
pointer, changes tdesc_use_registers to accept an rvalue reference,
and then adapts all the users.
Note that a deleter structure is introduced to avoid having to move
tdesc_arch_data to the header file.
2020-09-17 Tom Tromey <tromey@adacore.com>
* tic6x-tdep.c (tic6x_gdbarch_init): Update.
* target-descriptions.h (struct tdesc_arch_data_deleter): New.
(tdesc_arch_data_up): New typedef.
(tdesc_use_registers, tdesc_data_alloc): Update.
(tdesc_data_cleanup): Don't declare.
* target-descriptions.c (tdesc_data_alloc): Return a
tdesc_arch_data_up.
(tdesc_arch_data_deleter::operator()): Rename from
tdesc_data_cleanup. Change argument type.
(tdesc_use_registers): Change early_data to an rvalue reference.
(tdesc_use_registers): Don't use delete.
* sparc-tdep.c (sparc32_gdbarch_init): Update.
* s390-tdep.c (s390_gdbarch_init): Update.
* rx-tdep.c (rx_gdbarch_init): Update.
* rs6000-tdep.c (rs6000_gdbarch_init): Update.
* riscv-tdep.c (riscv_gdbarch_init): Update.
* or1k-tdep.c (or1k_gdbarch_init): Update.
* nios2-tdep.c (nios2_gdbarch_init): Update.
* nds32-tdep.c (nds32_gdbarch_init): Update.
* mips-tdep.c (mips_gdbarch_init): Update.
* microblaze-tdep.c (microblaze_gdbarch_init): Update.
* m68k-tdep.c (m68k_gdbarch_init): Update.
* i386-tdep.c (i386_gdbarch_init): Update.
* arm-tdep.c (arm_gdbarch_init): Update.
* arc-tdep.c (arc_tdesc_init): Update.
(arc_gdbarch_init): Update.
* aarch64-tdep.c (aarch64_gdbarch_init): Update.
DebugBreakProcess starts a new thread in the target process with the
entry point DbgUiRemoteBreakin, where an int3 triggers a breakpoint
exception for gdb.
But this uses DbgUiRemoteBreakin of the 64bit ntdll.dll even for
WOW64 processes.
It stops in 64bit code, Wow64GetThreadContext reports a wrong pc without
the int3, and gdb lets the target process continue.
So this uses DbgUiRemoteBreakin of the 32bit ntdll.dll as the thread
entry point for WOW64 processes instead.
gdb/ChangeLog:
2020-09-17 Hannes Domani <ssbssa@yahoo.de>
* windows-nat.c (ctrl_c_handler): Use 32bit DbgUiRemoteBreakin
for WOW64 processes.
This changes dwarf2/read.c to use htab_up rather than explicit calls
to htab_delete.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (compute_compunit_symtab_includes): Use htab_up.
This changes typedef_hash_table to use htab_up rather than explicit
calls to htab_delete.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* typeprint.h (class typedef_hash_table) <~typedef_hash_table>:
Remove.
<m_table>: Now htab_up.
* typeprint.c (typedef_hash_table::recursively_update)
(typedef_hash_table::add_template_parameters)
(typedef_hash_table::typedef_hash_table): Update.
(typedef_hash_table::~typedef_hash_table): Remove.
(typedef_hash_table::typedef_hash_table)
(typedef_hash_table::find_global_typedef)
(typedef_hash_table::find_typedef): Update.
This changes target-descriptions.c to use htab_up rather than explicit
calls to htab_delete.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* target-descriptions.c (tdesc_use_registers): Use htab_up.
This changes linespec.c to use htab_up rather than explicit calls to
htab_delete. Note that a use still exists in this file, because
linespec_state hasn't been converted to have a real destructor.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* linespec.c (class decode_compound_collector)
<~decode_compound_collector>: Remove.
<m_unique_syms>: Now htab_up.
(decode_compound_collector::operator ()): Update.
(class symtab_collector) <~symtab_collector>: Remove.
<m_symtab_table>: Now htab_up.
(symtab_collector::operator ()): Update.
This changes filename_seen_cache to use htab_up, rather than explicit
calls to htab_delete.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* filename-seen-cache.c (filename_seen_cache::filename_seen_cache)
(filename_seen_cache::clear): Update.
(~filename_seen_cache): Remove.
(filename_seen_cache::seen): Update.
* filename-seen-cache.h (class filename_seen_cache) <m_tab>: Now
htab_up.
<~filename_seen_cache>: Remove.
<traverse>: Update.
This changes completion_tracker to use htab_up, rather than explicit
calls to htab_delete.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* completer.c (completion_tracker::discard_completions)
(completion_tracker::~completion_tracker)
(completion_tracker::maybe_add_completion)
(completion_tracker::remove_completion)
(completion_tracker::recompute_lowest_common_denominator)
(completion_tracker::build_completion_result): Update.
* completer.h (class completion_tracker) <have_completions>:
Update.
<m_entries_hash>: Now htab_up.
This changes breakpoint.c to use htab_up rather than an explicit
htab_delete. This simplifies the code somewhat.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* breakpoint.c (ambiguous_names_p): Use htab_up.
This changes auto-load.c to use htab_up, rather than manually calling
htab_delete.
gdb/ChangeLog
2020-09-17 Tom Tromey <tom@tromey.com>
* auto-load.c (struct auto_load_pspace_info)
<~auto_load_pspace_info, auto_load_pspace_info>: Remove.
<loaded_script_files, loaded_script_texts>: Change type to
htab_up.
(~auto_load_pspace_info) Remove.
(init_loaded_scripts_info, maybe_add_script_file)
(maybe_add_script_text, auto_load_info_scripts): Update.
c-exp.y:name_obstack is not static, but should be. This patch makes
the change. Tested by rebuilding.
gdb/ChangeLog
2020-09-17 Tom Tromey <tromey@adacore.com>
* c-exp.y (name_obstack): Now static.
The decode of c.sdsp was incorrectly claiming to be a 4-byte store
instead of an 8-byte store.
gdb/ChangeLog:
* riscv-tdep.c (riscv-insn::decode): Fix recorded insn type.
Use bool instead of int in struct solib_catchpoint and in init_catchpoint &
related functions.
gdb/ChangeLog:
* breakpoint.h (init_catchpoint): Change int parameter to bool.
(add_solib_catchpoint): Likewise.
* breakpoint.c (struct solib_catchpoint) <is_load>: Change type
to bool.
(add_solib_catchpoint): Change int parameter/variable to bool.
(catch_load_or_unload): Likewise.
(init_catchpoint): Likewise.
(create_fork_vfork_event_catchpoint): Likewise.
(catch_fork_command_1): Likewise.
(catch_exec_command_1): Likewise.
Change-Id: I1faf4506e9109f3ccdd7229ba766dc7d77aa7aa0
Commit 314ad88df6 ("Use type_instance_flags more throughout") changed
the name of field type::instance_flags to type::m_instance_flags. It
however missed changing it in the gdb-gdb.py.in file, which results in
this when trying to use the pretty-printer:
(top-gdb) p *val.type
Traceback (most recent call last):
File "/home/smarchi/build/binutils-gdb/gdb/gdb-gdb.py", line 116, in to_string
% TypeFlagsPrinter(self.val['instance_flags']))
File "/home/smarchi/build/binutils-gdb/gdb/gdb-gdb.py", line 76, in __str__
flag_list = [flag.short_name for flag in TYPE_FLAGS
File "/home/smarchi/build/binutils-gdb/gdb/gdb-gdb.py", line 77, in <listcomp>
if self.val & flag.value]
gdb.error: Argument to arithmetic operation not a number or boolean.
$7 =
This patch fixes it.
gdb/ChangeLog:
* gdb-gdb.py.in (class StructTypePrettyPrinter) <to_string>:
Change instance_flags to m_instance_flags.
Change-Id: Ib5e03c08fe41ca11cd71998f2b1c58052879ce95
PR gdb/26598 notes that, before commit bcfe6157ca ("Use the linkage
name if it exists"), the "skip" command would match the demangled name
of a symbol, but now only matches the linkage name.
This patch fixes this regression. I looked at all calls to
function_name_is_marked_for_skip, and only one used the linkage name.
2020-09-16 Tom Tromey <tromey@adacore.com>
PR gdb/26598:
* infrun.c (fill_in_stop_func): Use find_pc_partial_function_sym.
gdb/testsuite/ChangeLog
2020-09-16 Tom Tromey <tromey@adacore.com>
PR gdb/26598:
* gdb.base/skipcxx.exp: New file.
* gdb.base/skipcxx.cc: New file.
FreeBSD kernels have reported exec events via the PL_FLAG_EXEC flag
since 8.2 release. The most recent release that did not support this
flag is 7.4 released in November of 2011.
Note that the FreeBSD native target already assumed that PL_FLAG_SCE
and PL_FLAG_SCX were always supported on systems supporting
PT_LWPINFO, but those flags were added at the same time as
PL_FLAG_EXEC. Building the native target on a system without
PL_FLAG_EXEC would have failed to build before this change already as
a result.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::wait): Always check for
PL_FLAG_EXEC.
(fbsd_nat_target::insert_exec_catchpoint)
(fbsd_nat_target::remove_exec_catchpoint): Always define.
* fbsd-nat.h (fbsd_nat_target::insert_exec_catchpoint)
(fbsd_nat_target::remove_exec_catchpoint): Always declare.
