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This patch constifies the target_ops method to_detach.
This is a small cleanup, but also, I think, a bug-prevention fix,
since gdb already acts as if the "args" argument here was const.
In particular, top.c:quit_force calls kill_or_detach via
iterate_over_inferiors. kill_or_detach calls target_detach, passing
the same argument each time. So, if one of these methods was not
const-correct, then kill_or_detach would change its behavior in a
strange way.
I could not build every target I modified in this patch. I've
inspected them all by hand, though. Many targets do not use the
"args" parameter; a couple pass it to atoi; and a few pass it on to
the to_detach method of the target beneath. The only code that
required a real change was in linux-nat.c, and that only needed the
introduction of a temporary variable for const-correctness.
2013-11-08 Tom Tromey <tromey@redhat.com>
* aix-thread.c (aix_thread_detach): Update.
* corelow.c (core_detach): Update.
* darwin-nat.c (darwin_detach): Update.
* dec-thread.c (dec_thread_detach): Update.
* gnu-nat.c (gnu_detach): Update.
* go32-nat.c (go32_detach): Update.
* inf-ptrace.c (inf_ptrace_detach): Update.
* inf-ttrace.c (inf_ttrace_detach): Update.
* linux-fork.c (linux_fork_detach): Update.
* linux-fork.h (linux_fork_detach): Update.
* linux-nat.c (linux_nat_detach): Update. Introduce "tem"
local for const-correctness.
* linux-thread-db.c (thread_db_detach): Update.
* monitor.c (monitor_detach): Update.
* nto-procfs.c (procfs_detach): Update.
* procfs.c (procfs_detach): Update.
* record.c (record_detach): Update.
* record.h (record_detach): Update.
* remote-m32r-sdi.c (m32r_detach): Update.
* remote-mips.c (mips_detach): Update.
* remote-sim.c (gdbsim_detach): Update.
* remote.c (remote_detach_1, remote_detach)
(extended_remote_detach): Update.
* sol-thread.c (sol_thread_detach): Update.
* target.c (target_detach): Make "args" const.
(init_dummy_target): Update.
* target.h (struct target_ops) <to_detach>: Make argument const.
(target_detach): Likewise.
* windows-nat.c (windows_detach): Update.
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While writing the previous patch, I noticed that we're not consistent
with the (C) in the copyright header. The maintainers manual prefers
having it, though also says it's optional. We have over 10x more
files with (C) than without in gdb's code, so I spent a few minutes
grepping and fixing. Funny enough, the testsuite has it backwards.
I'll leave that for another time.
gdb/
2013-02-12 Pedro Alves <palves@redhat.com>
* amd64-darwin-tdep.c: Add (C) after Copyright.
* cli/cli-cmds.h: Ditto.
* cli/cli-decode.c: Ditto.
* cli/cli-decode.h: Ditto.
* cli/cli-dump.c: Ditto.
* cli/cli-dump.h: Ditto.
* cli/cli-interp.c: Ditto.
* cli/cli-logging.c: Ditto.
* cli/cli-script.c: Ditto.
* cli/cli-script.h: Ditto.
* cli/cli-setshow.c: Ditto.
* cli/cli-setshow.h: Ditto.
* cli/cli-utils.c: Ditto.
* cli/cli-utils.h: Ditto.
* config/alpha/nm-osf3.h: Ditto.
* config/djgpp/djconfig.sh: Ditto.
* config/i386/nm-fbsd.h: Ditto.
* config/i386/nm-i386gnu.h: Ditto.
* config/nm-linux.h: Ditto.
* config/nm-nto.h: Ditto.
* config/rs6000/nm-rs6000.h: Ditto.
* config/sparc/nm-sol2.h: Ditto.
* darwin-nat-info.c: Ditto.
* dfp.c: Ditto.
* dfp.h: Ditto.
* gdb-demangle.h: Ditto.
* i386-darwin-nat.c: Ditto.
* i386-darwin-tdep.c: Ditto.
* linux-fork.h: Ditto.
* m32c-tdep.c: Ditto.
* microblaze-linux-tdep.c: Ditto.
* microblaze-rom.c: Ditto.
* microblaze-tdep.c: Ditto.
* microblaze-tdep.h: Ditto.
* mips-linux-tdep.h: Ditto.
* ppc-ravenscar-thread.c: Ditto.
* ppc-ravenscar-thread.h: Ditto.
* prologue-value.c: Ditto.
* prologue-value.h: Ditto.
* ravenscar-thread.c: Ditto.
* ravenscar-thread.h: Ditto.
* sparc-ravenscar-thread.c: Ditto.
* sparc-ravenscar-thread.h: Ditto.
* tilegx-linux-tdep.c: Ditto.
* unwind_stop_reasons.def: Ditto.
* windows-nat.h: Ditto.
* xtensa-linux-tdep.c: Ditto.
* xtensa-xtregs.c: Ditto.
* regformats/regdat.sh: Ditto.
* regformats/regdef.h: Ditto.
gdb/gdbserver/
2013-02-12 Pedro Alves <palves@redhat.com>
* linux-xtensa-low.c: Ditto.
* xtensa-xtregs.c: Ditto.
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Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
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gdb/ChangeLog:
Copyright year update in most files of the GDB Project.
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Automatic update by copyright.sh.
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2009-07-02 Pedro Alves <pedro@codesourcery.com>
* linux-nat.c (linux_child_follow_fork): If we're staying attached
to the child process, enable event reporting on it. Don't handle
checkpoints here. Instead, add the child fork to the lwp thread
and inferior lists without clobbering the previous inferior. Let
the thread_db layer learn about a new child process, even if
following the parent.
(linux_nat_switch_fork): Delete lwps of the current inferior only,
instead of clearing the whole list. Use thread_change_ptid to
give the core the illusion the new checkpoint is still the same
inferior. Clear the register cache.
(linux_handle_extended_wait): Handle checkpoints here.
(linux_multi_process): Turn on.
* linux-fork.c (struct fork_info) <pc>: Remove field.
(init_fork_list): Do not delete the checkpoint from the inferior
list (it is not there).
(fork_load_infrun_state): Don't switch inferior_ptid here. Pass
the new checkpoint's ptid to linux_nat_switch_fork.
(fork_save_infrun_state): Make static. Don't stop the pc field of
fork_info, it's gone.
(linux_fork_mourn_inferior): Don't delete the checkpoint from the
inferior list, it's not there.
(linux_fork_detach): Ditto.
(delete_fork_command): Replace mention of fork/checkpoint by
checkpoint only.
(detach_fork_command): Likewise. Don't delete the checkpoint from
the inferior list.
(info_forks_command): Adjust.
(restore_detach_fork): Delete.
(checkpointing_pid): New.
(linux_fork_checkpointing_p): New.
(save_detach_fork): Delete.
(checkpoint_command): Delete temp_detach_fork. Don't remove
breakpoints, that's a nop. Store the pid of the process we're
checkpointing, and use make_cleanup_restore_integer to restore it.
Don't reinsert breakpoints here.
(process_command, fork_command): Delete.
(restart_command): Update comments to only mention checkpoints,
not forks.
(_initialize_linux_fork): Delete "fork", "process", "info forks"
commands.
* linux-fork.h (fork_save_infrun_state, fork_list): Delete
declarations.
(linux_fork_checkpointing_p): Declare.
* cli/cli-cmds.c (killlist): New.
* cli/cli-cmds.h (killlist): Declare.
* gdbcmd.h (killlist): Declare.
* inferior.c: Include "gdbthread.h".
(detach_inferior_command, kill_inferior_command)
(inferior_command): New.
(info_inferiors_command): Allow specifying a specific inferior id.
(_initialize_inferiors): Register "inferior", "kill inferior" and
"detach inferior" commands.
* infcmd.c (_initialize_infcmd): Make "kill" a prefix command.
* gdbthread.h (any_thread_of_process): Declare.
* thread.c (any_thread_of_process): New.
* NEWS: Mention multi-inferior debugging. Mention 'info
inferiors', 'inferior', 'detach inferior' and 'kill inferior' as
new commands.
(Removed commands): New section, mentioning that 'info forks',
'fork', 'process', 'delete fork' and 'detach fork' are now gone.
gdb/testsuite/
2009-07-02 Pedro Alves <pedro@codesourcery.com>
* gdb.base/multi-forks.exp: Only run detach-on-fork tests on
linux. Adjust to use "inferior", "info inferiors", "detach
inferior" and "kill inferior" instead of "restart", "info fork",
"detach fork" and "delete fork".
* gdb.base/ending-run.exp: Spell out "info".
* gdb.base/help.exp: Adjust to use test_prefix_command_help for
the "kill" command.
gdb/doc/
2009-07-02 Pedro Alves <pedro@codesourcery.com>
* gdb.texinfo (Debugging multiple inferiors): Document the
"inferior", "detach inferior" and "kill inferior" commands.
(Debugging Programs with Multiple Processes): Adjust to mention
generic "inferior" commands. Delete mention of "detach fork" and
"delete fork". Cross reference to "Debugging multiple inferiors"
section.
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* linux-fork.h (linux_fork_detach): Declare.
* linux-nat.c (linux_child_follow_fork): When following the fork
child, add the child inferior before possibly detaching from the
parent. Don't reinstall ourselves.
(linux_nat_detach): Call linux_fork_detach if there are other
forks to debug.
* linux-thread-db.c (thread_db_detach): Don't call
target_mourn_inferior. Instead inline the necessary bits.
* inf-ptrace.c (inf_ptrace_detach): Don't unpush the target if
there are other inferiors to debug.
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Switch the license of all .h files to GPLv3.
Switch the license of all .cc files to GPLv3.
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Checkpoint/Restart for Linux.
* linux-nat.c: Add support for debugging multiple forks.
Add #include for linux-fork.h (interface spec).
(super_mourn_inferior): New function pointer.
(child_mourn_inferior): New function / target method.
(linux_target): Claim to_mourn_inferior method pointer.
(child_follow_fork): Call interface to linux-fork, conditionally
add new fork processes to list of debugged processes.
(kill_inferior): Use interface to linux-fork to kill
multiple processes.
* linux-fork.h: New file.
* linux-fork.c: New file. Support for debugging multiple forks
of the same program. Support for checkpoint and restart commands.
* infrun.c (nullify_last_target_wait_ptid): New function.
* Makefile.in: Add linux-fork.
* config/*/linux.mh: Add linux-fork.
* NEWS: Mention new functionality.
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