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68 Commits

Author SHA1 Message Date
Pedro Alves
a780ef4f27 GDBserver: Pass process_info pointer to target_kill 
We start from a process_info pointer, pass down process->pid, and
then the target_kill implementations need to find the process from the
pid again.  Pass the process_info pointer down directly instead.

gdb/gdbserver/ChangeLog:
2018-07-13  Pedro Alves  <palves@redhat.com>

	* linux-low.c (linux_kill): Change parameter to process_info
	pointer instead of pid.  Adjust.
	* lynx-low.c (lynx_kill): Likewise.
	* nto-low.c (nto_kill): Likewise.
	* spu-low.c (spu_kill): Likewise.
	* win32-low.c (win32_kill): Likewise.
	* server.c (handle_v_kill, kill_inferior_callback)
	(detach_or_kill_for_exit): Adjust.
	* target.c (kill_inferior): Change parameter to process_info
	pointer instead of pid.  Adjust.
	* target.h (struct target_ops) <kill>: Change parameter to
	process_info pointer instead of pid.  Adjust all implementations
	and callers.
	(kill_inferior): Likewise.
 2018-07-13 10:58:17 +01:00
Tom Tromey
d7e15655a4 Remove ptid_equal 
Remove ptid_equal in favor of using "==".

gdb/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* common/ptid.c (ptid_equal): Remove.
	* common/ptid.h (ptid_equal): Don't declare.
	* ada-tasks.c: Update.
	* breakpoint.c: Update.
	* common/agent.c: Update.
	* corelow.c: Update.
	* darwin-nat-info.c: Update.
	* darwin-nat.c: Update.
	* dcache.c: Update.
	* dtrace-probe.c: Update.
	* dummy-frame.c: Update.
	* fbsd-nat.c: Update.
	* frame.c: Update.
	* gdbthread.h: Update.
	* gnu-nat.c: Update.
	* go32-nat.c: Update.
	* inf-loop.c: Update.
	* inf-ptrace.c: Update.
	* infcall.c: Update.
	* infcmd.c: Update.
	* inflow.c: Update.
	* infrun.c: Update.
	* linux-fork.c: Update.
	* linux-nat.c: Update.
	* linux-thread-db.c: Update.
	* mi/mi-cmd-var.c: Update.
	* mi/mi-interp.c: Update.
	* mi/mi-main.c: Update.
	* nto-procfs.c: Update.
	* ppc-linux-tdep.c: Update.
	* procfs.c: Update.
	* python/py-inferior.c: Update.
	* python/py-record-btrace.c: Update.
	* python/py-record.c: Update.
	* ravenscar-thread.c: Update.
	* regcache.c: Update.
	* remote-sim.c: Update.
	* remote.c: Update.
	* sol-thread.c: Update.
	* solib.c: Update.
	* target.c: Update.
	* tui/tui-stack.c: Update.
	* varobj.c: Update.
	* windows-nat.c: Update.
	* windows-tdep.c: Update.

gdb/gdbserver/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* linux-low.c: Update.
	* lynx-low.c: Update.
	* mem-break.c: Update.
	* nto-low.c: Update.
	* remote-utils.c: Update.
	* server.c: Update.
	* spu-low.c: Update.
	* target.c: Update.
	* win32-low.c: Update.
 2018-07-03 11:36:46 -06:00
Tom Tromey
cc6bcb548d Remove ptid_get_tid 
This removes ptid_get_tid in favor of calling the ptid_t::tid method.

gdb/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* common/ptid.c (ptid_get_tid): Remove.
	* common/ptid.h (ptid_get_tid): Don't declare.
	* ada-tasks.c: Update.
	* aix-thread.c: Update.
	* bsd-uthread.c: Update.
	* darwin-nat.c: Update.
	* fbsd-nat.c: Update.
	* i386-darwin-nat.c: Update.
	* infrun.c: Update.
	* linux-tdep.c: Update.
	* nto-procfs.c: Update.
	* ppc-ravenscar-thread.c: Update.
	* python/py-infthread.c: Update.
	* ravenscar-thread.c: Update.
	* sol-thread.c: Update.
	* sparc-ravenscar-thread.c: Update.
	* windows-nat.c: Update.

gdb/gdbserver/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* target.c: Update.
 2018-07-03 11:36:44 -06:00
Tom Tromey
e38504b392 Remove ptid_get_lwp 
This removes ptid_get_lwp in favor of calling the ptid_t::lwp method.

gdb/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* common/ptid.c (ptid_get_lwp): Remove.
	* common/ptid.h (ptid_get_lwp): Don't declare.
	* aarch64-linux-nat.c: Update.
	* ada-tasks.c: Update.
	* aix-thread.c: Update.
	* amd64-linux-nat.c: Update.
	* arm-linux-nat.c: Update.
	* corelow.c: Update.
	* fbsd-nat.c: Update.
	* fbsd-tdep.c: Update.
	* gnu-nat.c: Update.
	* i386-cygwin-tdep.c: Update.
	* i386-gnu-nat.c: Update.
	* i386-linux-nat.c: Update.
	* ia64-linux-nat.c: Update.
	* inf-ptrace.c: Update.
	* infrun.c: Update.
	* linux-fork.c: Update.
	* linux-nat.c: Update.
	* linux-tdep.c: Update.
	* linux-thread-db.c: Update.
	* mips-linux-nat.c: Update.
	* nat/aarch64-linux-hw-point.c: Update.
	* nat/aarch64-linux.c: Update.
	* nat/linux-btrace.c: Update.
	* nat/linux-osdata.c: Update.
	* nat/linux-procfs.c: Update.
	* nat/x86-linux-dregs.c: Update.
	* obsd-nat.c: Update.
	* ppc-fbsd-nat.c: Update.
	* ppc-linux-nat.c: Update.
	* procfs.c: Update.
	* python/py-infthread.c: Update.
	* ravenscar-thread.c: Update.
	* remote.c: Update.
	* s390-linux-nat.c: Update.
	* sol-thread.c: Update.
	* sol2-tdep.c: Update.
	* spu-linux-nat.c: Update.
	* x86-linux-nat.c: Update.
	* xtensa-linux-nat.c: Update.

gdb/gdbserver/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* linux-low.c: Update.
	* linux-mips-low.c: Update.
	* lynx-low.c: Update.
	* nto-low.c: Update.
	* remote-utils.c: Update.
	* server.c: Update.
	* spu-low.c: Update.
	* target.c: Update.
	* thread-db.c: Update.
 2018-07-03 11:36:43 -06:00
Tom Tromey
e99b03dcf4 Remove ptid_get_pid 
This removes ptid_get_pid in favor of calling the ptid_t::pid method.

gdb/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* common/ptid.c (ptid_get_pid): Remove.
	* common/ptid.h (ptid_get_pid): Don't declare.
	* aarch64-linux-nat.c: Update.
	* ada-lang.c: Update.
	* aix-thread.c: Update.
	* alpha-bsd-nat.c: Update.
	* amd64-fbsd-nat.c: Update.
	* amd64-linux-nat.c: Update.
	* arm-linux-nat.c: Update.
	* arm-nbsd-nat.c: Update.
	* auxv.c: Update.
	* break-catch-syscall.c: Update.
	* breakpoint.c: Update.
	* bsd-uthread.c: Update.
	* corelow.c: Update.
	* ctf.c: Update.
	* darwin-nat.c: Update.
	* fbsd-nat.c: Update.
	* fbsd-tdep.c: Update.
	* gcore.c: Update.
	* gnu-nat.c: Update.
	* hppa-nbsd-nat.c: Update.
	* hppa-obsd-nat.c: Update.
	* i386-fbsd-nat.c: Update.
	* ia64-linux-nat.c: Update.
	* inf-ptrace.c: Update.
	* infcmd.c: Update.
	* inferior.c: Update.
	* inferior.h: Update.
	* inflow.c: Update.
	* infrun.c: Update.
	* linux-fork.c: Update.
	* linux-nat.c: Update.
	* linux-tdep.c: Update.
	* linux-thread-db.c: Update.
	* m68k-bsd-nat.c: Update.
	* mi/mi-interp.c: Update.
	* mi/mi-main.c: Update.
	* mips-linux-nat.c: Update.
	* mips-nbsd-nat.c: Update.
	* mips64-obsd-nat.c: Update.
	* nat/aarch64-linux-hw-point.c: Update.
	* nat/aarch64-linux.c: Update.
	* nat/linux-btrace.c: Update.
	* nat/linux-osdata.c: Update.
	* nat/linux-procfs.c: Update.
	* nat/x86-linux-dregs.c: Update.
	* nto-procfs.c: Update.
	* obsd-nat.c: Update.
	* ppc-linux-nat.c: Update.
	* ppc-nbsd-nat.c: Update.
	* ppc-obsd-nat.c: Update.
	* proc-service.c: Update.
	* procfs.c: Update.
	* python/py-inferior.c: Update.
	* python/py-infthread.c: Update.
	* ravenscar-thread.c: Update.
	* record.c: Update.
	* remote-sim.c: Update.
	* remote.c: Update.
	* rs6000-nat.c: Update.
	* s390-linux-nat.c: Update.
	* sh-nbsd-nat.c: Update.
	* sol-thread.c: Update.
	* sparc-nat.c: Update.
	* sparc64-tdep.c: Update.
	* spu-linux-nat.c: Update.
	* spu-tdep.c: Update.
	* target-debug.h: Update.
	* target.c: Update.
	* thread.c: Update.
	* tid-parse.c: Update.
	* tracefile-tfile.c: Update.
	* vax-bsd-nat.c: Update.
	* windows-nat.c: Update.
	* x86-linux-nat.c: Update.
	* x86-nat.c: Update.

gdb/gdbserver/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* linux-low.c: Update.
	* linux-mips-low.c: Update.
	* lynx-low.c: Update.
	* mem-break.c: Update.
	* nto-low.c: Update.
	* remote-utils.c: Update.
	* server.c: Update.
	* spu-low.c: Update.
	* target.c: Update.
	* tracepoint.c: Update.
 2018-07-03 11:36:42 -06:00
Stan Cox
c12a508964 Add client_state struct. 
Collect per client specific global data items into struct client_state,
which is similar in purpose to remote.c::remote_state.

gdbserver/ChangeLog
	* server.h (struct client_state): New.
	* server.c (cont_thread, general_thread, multi_process)
	(report_fork_events, report_vfork_events, report_exec_events)
	(report_thread_events, swbreak_feature, hwbreak_feature)
	(vCont_supported, disable_randomization, pass_signals)
	(program_signals, program_signals_p, last_status, last_ptid, own_buf):
	Moved to client_state.
	* remote-utils.c (remote_debug, noack_mode)
	(transport_is_reliable): Moved to client_state.
	* tracepoint.c (current_traceframe): Moved to client_state.

	Update all callers.
	* server.c, remote-utils.c, tracepoint.c, fork-child.c,
	linux-low.c, remote-utils.h, target.c: Use client_state.
 2018-06-04 10:20:49 -04:00
Pedro Alves
e671cd59d7 Per-inferior target_terminal state, fix PR gdb/13211, more 
In my multi-target branch I ran into problems with GDB's terminal
handling that exist in master as well, with multi-inferior debugging.

This patch adds a testcase for said problems
(gdb.multi/multi-term-settings.exp), fixes the problems, fixes PR
gdb/13211 as well (and adds a testcase for that too,
gdb.base/interrupt-daemon.exp).

The basis of the problem I ran into is the following.  Consider a
scenario where you have:

 - inferior 1 - started with "attach", process is running on some
   other terminal.

 - inferior 2 - started with "run", process is sharing gdb's terminal.

In this scenario, when you stop/resume both inferiors, you want GDB to
save/restore the terminal settings of inferior 2, the one that is
sharing GDB's terminal.  I.e., you want inferior 2 to "own" the
terminal (in target_terminal::is_ours/target_terminal::is_inferior
sense).

Unfortunately, that's not what you get currently.  Because GDB doesn't
know whether an attached inferior is actually sharing GDB's terminal,
it tries to save/restore its settings anyway, ignoring errors.  In
this case, this is pointless, because inferior 1 is running on a
different terminal, but GDB doesn't know better.

And then, because it is only possible to have the terminal settings of
a single inferior be in effect at a time, or make one inferior/pgrp be
the terminal's foreground pgrp (aka, only one inferior can "own" the
terminal, ignoring fork children here), if GDB happens to try to
restore the terminal settings of inferior 1 first, then GDB never
restores the terminal settings of inferior 2.

This patch fixes that and a few things more along the way:

 - Moves enum target_terminal::terminal_state out of the
   target_terminal class (it's currently private) and makes it a
   scoped enum so that it can be easily used elsewhere.

 - Replaces the inflow.c:terminal_is_ours boolean with a
   target_terminal_state variable.  This allows distinguishing is_ours
   and is_ours_for_output states.  This allows finally making
   child_terminal_ours_1 do something with its "output_only"
   parameter.

 - Makes each inferior have its own copy of the
   is_ours/is_ours_for_output/is_inferior state.

 - Adds a way for GDB to tell whether the inferior is sharing GDB's
   terminal.  Works best on Linux and Solaris; the fallback works just
   as well as currently.

 - With that, we can remove the inf->attach_flag tests from
   child_terminal_inferior/child_terminal_ours.

 - Currently target_ops.to_ours is responsible for both saving the
   current inferior's terminal state, and restoring gdb's state.
   Because each inferior has its own terminal state (possibly handled
   by different targets in a multi-target world, even), we need to
   split the inferior-saving part from the gdb-restoring part.  The
   patch adds a new target_ops.to_save_inferior target method for
   that.

 - Adds a new target_terminal::save_inferior() function, so that
   sequences like:

     scoped_restore_terminal_state save_state;
     target_terminal::ours_for_output ();

   ... restore back inferiors that were
   target_terminal_state::is_inferior before back to is_inferior, and
   leaves inferiors that were is_ours alone.

 - Along the way, this adds a default implementation of
   target_pass_ctrlc to inflow.c (for inf-child.c), that handles
   passing the Ctrl-C to a process running on GDB's terminal or to
   some other process otherwise.

 - Similarly, adds a new target default implementation of
   target_interrupt, for the "interrupt" command.  The current
   implementation of this hook in inf-ptrace.c kills the whole process
   group, but that's incorrect/undesirable because we may not be
   attached to all processes in the process group.  And also, it's
   incorrect because inferior_process_group() doesn't really return
   the inferior's real process group id if the inferior is not a
   process group leader...  This is the cause of PR gdb/13211 [1],
   which this patch fixes.  While at it, that target method's "ptid"
   parameter is eliminated, because it's not really used.

 - A new test is included that exercises and fixes PR gdb/13211, and
   also fixes a GDB issue reported on stackoverflow that I ran into
   while working on this [2].  The problem is similar to PR gdb/13211,
   except that it also triggers with Ctrl-C.  When debugging a daemon
   (i.e., a process that disconnects from the controlling terminal and
   is not a process group leader, then Ctrl-C doesn't work, you just
   can't interrupt the inferior at all, resulting in a hung debug
   session.  The problem is that since the inferior is no longer
   associated with gdb's session / controlling terminal, then trying
   to put the inferior in the foreground fails.  And so Ctrl-C never
   reaches the inferior directly.  pass_signal is only used when the
   inferior is attached, but that is not the case here.  This is fixed
   by the new child_pass_ctrlc.  Without the fix, the new
   interrupt-daemon.exp testcase fails with timeout waiting for a
   SIGINT that never arrives.

[1] PR gdb/13211 - Async / Process group and interrupt not working
https://sourceware.org/bugzilla/show_bug.cgi?id=13211

[2] GDB not reacting Ctrl-C when after fork() and setsid()
https://stackoverflow.com/questions/46101292/gdb-not-reacting-ctrl-c-when-after-fork-and-setsid

Note this patch does _not_ fix:

 - PR gdb/14559 - The 'interrupt' command does not work if sigwait is in use
   https://sourceware.org/bugzilla/show_bug.cgi?id=14559

 - PR gdb/9425 - When using "sigwait" GDB doesn't trap SIGINT. Ctrl+C terminates program when should break gdb.
   https://sourceware.org/bugzilla/show_bug.cgi?id=9425

The only way to fix that that I know of (without changing the kernel)
is to make GDB put inferiors in a separate session (create a
pseudo-tty master/slave pair, make the inferior run with the slave as
its terminal, and have gdb pump output/input on the master end).

gdb/ChangeLog:
2018-01-30  Pedro Alves  <palves@redhat.com>

	PR gdb/13211
	* config.in, configure: Regenerate.
	* configure.ac: Check for getpgid.
	* go32-nat.c (go32_pass_ctrlc): New.
	(go32_target): Install it.
	* inf-child.c (inf_child_target): Install
	child_terminal_save_inferior, child_pass_ctrlc and
	child_interrupt.
	* inf-ptrace.c (inf_ptrace_interrupt): Delete.
	(inf_ptrace_target): No longer install it.
	* infcmd.c (interrupt_target_1): Adjust.
	* inferior.h (child_terminal_save_inferior, child_pass_ctrlc)
	(child_interrupt): Declare.
	(inferior::terminal_state): New.
	* inflow.c (struct terminal_info): Update comments.
	(inferior_process_group): Delete.
	(terminal_is_ours): Delete.
	(gdb_tty_state): New.
	(child_terminal_init): Adjust.
	(is_gdb_terminal, sharing_input_terminal_1)
	(sharing_input_terminal): New functions.
	(child_terminal_inferior): Adjust.  Use sharing_input_terminal.
	Set the process's actual process group in the foreground if
	possible.  Handle is_ours_for_output/is_ours distinction.  Don't
	mark terminal as the inferior's if not sharing GDB's terminal.
	Don't check attach_flag.
	(child_terminal_ours_for_output, child_terminal_ours): Adjust to
	pass down a target_terminal_state.
	(child_terminal_save_inferior): New, factored out from ...
	(child_terminal_ours_1): ... this.  Handle
	target_terminal_state::is_ours_for_output.
	(child_interrupt, child_pass_ctrlc): New.
	(inflow_inferior_exit): Clear the inferior's terminal_state.
	(copy_terminal_info): Copy the inferior's terminal state.
	(_initialize_inflow): Remove reference to terminal_is_ours.
	* inflow.h (inferior_process_group): Delete.
	* nto-procfs.c (nto_handle_sigint, procfs_interrupt): Adjust.
	* procfs.c (procfs_target): Don't install procfs_interrupt.
	(procfs_interrupt): Delete.
	* remote.c (remote_serial_quit_handler): Adjust.
	(remote_interrupt): Remove ptid parameter.  Adjust.
	* target-delegates.c: Regenerate.
	* target.c: Include "terminal.h".
	(target_terminal::terminal_state): Rename to ...
	(target_terminal::m_terminal_state): ... this.
	(target_terminal::init): Adjust.
	(target_terminal::inferior): Adjust to per-inferior
	terminal_state.
	(target_terminal::restore_inferior, target_terminal_is_ours_kind): New.
	(target_terminal::ours, target_terminal::ours_for_output): Use
	target_terminal_is_ours_kind.
	(target_interrupt): Remove ptid parameter.  Adjust.
	(default_target_pass_ctrlc): Adjust.
	* target.h (target_ops::to_terminal_save_inferior): New field.
	(target_ops::to_interrupt): Remove ptid_t parameter.
	(target_interrupt): Remove ptid_t parameter.  Update comment.
	(target_pass_ctrlc): Update comment.
	* target/target.h (target_terminal_state): New scoped enum,
	factored out of ...
	(target_terminal::terminal_state): ... here.
	(target_terminal::inferior): Update comments.
	(target_terminal::restore_inferior): New.
	(target_terminal::is_inferior, target_terminal::is_ours)
	(target_terminal::is_ours_for_output): Adjust.
	(target_terminal::scoped_restore_terminal_state): Adjust to
	rename, and call restore_inferior() instead of inferior().
	(target_terminal::scoped_restore_terminal_state::m_state): Change
	type.
	(target_terminal::terminal_state): Rename to ...
	(target_terminal::m_terminal_state): ... this and change type.

gdb/gdbserver/ChangeLog:
2018-01-30  Pedro Alves  <palves@redhat.com>

	PR gdb/13211
	* target.c (target_terminal::terminal_state): Rename to ...
	(target_terminal::m_terminal_state): ... this.

gdb/testsuite/ChangeLog:
2018-01-30  Pedro Alves  <palves@redhat.com>

	PR gdb/13211
	* gdb.base/interrupt-daemon.c: New.
	* gdb.base/interrupt-daemon.exp: New.
	* gdb.multi/multi-term-settings.c: New.
	* gdb.multi/multi-term-settings.exp: New.
 2018-01-30 14:55:18 +00:00
Joel Brobecker
e2882c8578 Update copyright year range in all GDB files 
gdb/ChangeLog:

        Update copyright year range in all GDB files
 2018-01-02 07:38:06 +04:00
Simon Marchi
bac608e7e1 Remove find_inferior usage for thread_search 
Replace it with for_each_thread.  While at it, we can inline the
callback code.  One little change is that I am using the
prev_general_thread variable instead of current_gen_ptid, since they
should have the same value.

gdb/gdbserver/ChangeLog:

	* target.c (struct thread_search): Remove.
	(thread_search_callback): Remove.
	(prepare_to_access_memory): Use for_each_thread instead of
	find_inferior.  Inline code from thread_search_callback.
 2017-10-27 23:44:12 -04:00
Simon Marchi
9c80ecd646 gdbserver: use std::list for all_threads 
Remove the usage of inferior_list for the all_threads list in
gdbserver.  The entry field in thread_info is removed, and replaced by a
simple ptid field.

I added some functions to iterate (for_each_thread) and find threads
(find_thread).  However, changing all the users of find_inferior & co to
use these new functions would have made the patch way too big.  So I
opted instead to make find_inferior & co some shims, so that the
existing code only needs to be updated minimally.  We can then update
the existing code to use the new functions incrementally (I've started
to do the work, but I'll post it afterwards, see [1] if you want a peek).

This patch has been built-tested on all relevant platforms, except
lynx.  I also regtested using the native-gdbserver and
native-extended-gdbserver boards on x86.

[1] https://github.com/simark/binutils-gdb/commits/kill-inferior-list-entry

gdb/gdbserver/ChangeLog:

	* inferiors.h: (struct inferior_list): Remove.
	(struct inferior_list_entry); Remove.
	(add_inferior_to_list, clear_inferior_list, one_inferior_p,
	A_I_NEXT, ALL_INFERIORS_TYPE, ALL_INFERIORS, remove_inferior,
	get_first_inferior): Remove.
	(for_each_inferior, for_each_inferior_with_data, find_inferior,
	find_inferior_id, find_inferior_in_random): Change signature.
	* inferiors.c (all_threads): Change type to
	std::list<thread_info *>.
	(get_thread): Remove macro.
	(find_inferior, find_inferior_id): Change signature, implement
	using find_thread.
	(find_inferior_in_random): Change signature, implement using
	find_thread_in_random.
	(for_each_inferior, for_each_inferior_with_data): Change
	signature, implement using for_each_thread.
	(add_inferior_to_list, remove_inferior): Remove.
	(add_thread, get_first_thread, thread_of_pid,
	find_any_thread_of_pid, free_one_thread, remove_thread): Update.
	(get_first_inferior, one_inferior_p, clear_inferior_list):
	Remove.
	(clear_inferiors, get_thread_process): Update.
	* gdbthread.h: Include <list>.
	(struct thread_info) <entry>: Remove field.
	<id>: New field.
	(all_threads): Change type to std::list<thread_info *>.
	(get_first_inferior): Add doc.
	(find_thread, for_each_thread, find_thread_in_random): New
	functions.
	(current_ptid, pid_of, ptid_of, lwpid_of): Update.
	* linux-arm-low.c (update_registers_callback): Update.
	* linux-low.c (second_thread_of_pid_p): Update.
	(kill_one_lwp_callback, linux_detach_lwp_callback,
	delete_lwp_callback, status_pending_p_callback, same_lwp,
	find_lwp_pid, num_lwps, iterate_over_lwps_filter,
	iterate_over_lwps, not_stopped_callback,
	resume_stopped_resumed_lwps, count_events_callback,
	select_singlestep_lwp_callback, select_event_lwp_callback,
	unsuspend_one_lwp, linux_wait_1, send_sigstop_callback,
	suspend_and_send_sigstop_callback, wait_for_sigstop,
	stuck_in_jump_pad_callback, move_out_of_jump_pad_callback,
	lwp_running, linux_set_resume_request, resume_status_pending_p,
	need_step_over_p, start_step_over, linux_resume_one_thread,
	proceed_one_lwp, unsuspend_and_proceed_one_lwp,
	reset_lwp_ptrace_options_callback): Update.
	* linux-mips-low.c (update_watch_registers_callback): Update.
	* regcache.c (regcache_invalidate_one, regcache_invalidate):
	Update.
	(free_register_cache_thread_one): Remove.
	(regcache_release): Update.
	* server.c (handle_btrace_enable_bts, handle_btrace_enable_pt,
	handle_qxfer_threads_worker): Update.
	(handle_query): Update, use list iterator.
	(visit_actioned_threads, handle_pending_status,
	queue_stop_reply_callback, gdb_wants_all_threads_stopped,
	clear_pending_status_callback, set_pending_status_callback,
	find_status_pending_thread_callback, handle_status,
	process_serial_event): Update.
	* target.c (thread_search_callback): Update.
	* thread-db.c (thread_db_get_tls_address): Update.
	* tracepoint.c (tracepoint_finished_step, tracepoint_was_hit):
	Update.
	* win32-i386-low.c (update_debug_registers_callback): Update.
	* win32-low.c (delete_thread_info, child_delete_thread,
	continue_one_thread, suspend_one_thread,
	get_child_debug_event): Adjust.
 2017-10-14 09:11:12 -04:00
Sergio Durigan Junior
75352e283f Use "switch_to_thread" more thoroughly on gdbserver 
This is a technical debt that I left when I ported "switch_to_thread"
to gdbserver.  It's a simple patch that converts occurences of:

  current_thread = find_thread_ptid (ptid);

to:

  switch_to_thread (ptid);

This patch also converts a simple "if" to a "gdb_assert" on
gdbserver's version of "switch_to_thread":

  gdb_assert (ptid != minus_one_ptid);

This change makes the code more similar to what GDB already does.

Regtested on BuildBot.

gdb/gdbserver/ChangeLog:
2017-09-26  Sergio Durigan Junior  <sergiodj@redhat.com>

	* gdbthread.h: Include "common-gdbthread.h".
	* inferiors.c (switch_to_thread): Use "gdb_assert" instead of
	"if" when validating the ptid.
	* remote-utils.c: Include "gdbthread.h".
	(prepare_resume_reply): Use "switch_to_thread".
	* target.c (done_accessing_memory): Likewise.
 2017-09-26 12:50:25 -04:00
Pedro Alves
f557a88ab1 gdbserver: Remove traces of ancient Hc handling 
Back in commit f0db101d98 ("gdbserver: don't pick a random thread if
the current thread dies"), a couple years ago, the last references to
set_desired_thread(0) [select the Hc thread] were removed, and all the
remaining calls to set_desired_thread pass '1', meaning general
thread.  This means we can simplify set_desired_thread.

gdb/gdbserver/ChangeLog:
2017-09-21  Pedro Alves  <palves@redhat.com>

	* server.c (gdb_read_memory, handle_status, process_serial_event)
	(handle_serial_event, handle_target_event): Adjust to
	set_desired_thread prototype change.
	* target.c (set_desired_thread): Remove 'use_general' parameter
	and adjust.
	* target.h (set_desired_thread): Remove 'use_general' parameter.
 2017-09-21 16:52:33 +01:00
Tom Tromey
223ffa714c Remove make_cleanup_restore_target_terminal 
This removes make_cleanup_restore_target_terminal and generally
C++-ifies target terminal handling.  It changes all target_terminal_*
functions to be static members of a new target_terminal class and
changes the cleanup to be a scoped_* class.
make_cleanup_override_quit_handler is also removed in favor of simply
using scoped_restore.

Note that there are some files in this patch that I could not compile.
Considering that some of the rewrites were automated, and that none of
these files involed cleanups, I feel that this is relatively safe.

Regression tested by the buildbot.

gdb/ChangeLog
2017-09-20  Tom Tromey  <tom@tromey.com>

	* windows-nat.c (get_windows_debug_event, windows_wait)
	(do_initial_windows_stuff, windows_attach): Update.
	* utils.c (vwarning, internal_vproblem): Update.
	(ui_unregister_input_event_handler_cleanup)
	(prepare_to_handle_input): Remove.
	(class scoped_input_handler): New.
	(defaulted_query, prompt_for_continue): Update.
	* tui/tui-hooks.c (tui_refresh_frame_and_register_information):
	Update.
	* top.c (undo_terminal_modifications_before_exit): Update.
	* target/target.h (target_terminal_init, target_terminal_inferior)
	(target_terminal_ours): Don't declare.
	(class target_terminal): New.
	* target.h (target_terminal_is_inferior, target_terminal_is_ours)
	(target_terminal_ours_for_output)
	(make_cleanup_restore_target_terminal): Don't declare.
	(target_terminal_info): Remove.
	* target.c (enum terminal_state, terminal_state): Remove.
	(target_terminal::terminal_state): Define.
	(target_terminal::init): Rename from target_terminal_init.
	(target_terminal::inferior): Rename from
	target_terminal_inferior.
	(target_terminal::ours): Rename from target_terminal_ours.
	(target_terminal::ours_for_output): Rename from
	target_terminal_ours_for_output.
	(target_terminal::info): New method.
	(cleanup_restore_target_terminal)
	(make_cleanup_restore_target_terminal): Remove.
	* solib.c (handle_solib_event): Update.
	* remote.c (remote_serial_quit_handler): Update.
	(remote_terminal_inferior, remote_wait_as): Update.
	* record-full.c (record_full_wait_1): Update.
	* nto-procfs.c (procfs_create_inferior): Update.
	* nat/fork-inferior.c (startup_inferior): Update.
	* mi/mi-interp.c (mi_new_thread, mi_thread_exit)
	(mi_record_changed, mi_inferior_added, mi_inferior_appeared)
	(mi_inferior_exit, mi_inferior_removed, mi_traceframe_changed)
	(mi_tsv_created, mi_tsv_deleted, mi_tsv_modified)
	(mi_breakpoint_created, mi_breakpoint_deleted)
	(mi_breakpoint_modified, mi_on_resume, mi_solib_loaded)
	(mi_solib_unloaded, mi_command_param_changed, mi_memory_changed)
	(mi_user_selected_context_changed, report_initial_inferior):
	Update.
	* linux-nat.c (linux_nat_attach, linux_nat_terminal_ours)
	(linux_nat_terminal_inferior): Update.
	* infrun.c (follow_fork_inferior)
	(handle_vfork_child_exec_or_exit, do_target_resume)
	(check_curr_ui_sync_execution_done, handle_inferior_event_1)
	(handle_signal_stop, maybe_remove_breakpoints, normal_stop):
	Update.
	* inflow.c (child_terminal_init, info_terminal_command): Update.
	* infcmd.c (post_create_inferior, continue_1, prepare_one_step)
	(attach_command): Update.
	* infcall.c (call_thread_fsm_should_stop): Update.
	* gnu-nat.c (gnu_attach): Update.
	* extension.c (struct active_ext_lang_state)
	(restore_active_ext_lang): Update.
	* exceptions.c (print_flush): Update.
	* event-top.c (async_enable_stdin, default_quit_handler): Update.
	(struct quit_handler_cleanup_data, restore_quit_handler)
	(restore_quit_handler_dtor, make_cleanup_override_quit_handler):
	Remove.
	* cp-support.c (gdb_demangle): Update.
	* breakpoint.c (update_inserted_breakpoint_locations)
	(insert_breakpoint_locations, handle_jit_event)
	(disable_breakpoints_in_unloaded_shlib): Update.
	* annotate.c (annotate_breakpoints_invalid)
	(annotate_frames_invalid): Update.

gdb/gdbserver/ChangeLog
2017-09-20  Tom Tromey  <tom@tromey.com>

	* target.c (target_terminal::terminal_state): Define.
	(target_terminal::init): Rename from target_terminal_init.
	(target_terminal::inferior): Rename from
	target_terminal_inferior.
	(target_terminal::ours): Rename from target_terminal_ours.
	(target_terminal::ours_for_output, target_terminal::info): New.
 2017-09-20 16:09:50 -06:00
Sergio Durigan Junior
2090129c36 Share fork_inferior et al with gdbserver 
This is the most important (and the biggest, sorry) patch of the
series.  It moves fork_inferior from gdb/fork-child.c to
nat/fork-inferior.c and makes all the necessary adjustments to both
GDB and gdbserver to make sure everything works OK.

There is no "most important change" with this patch; all changes are
made in a progressive way, making sure that gdbserver had the
necessary features while not breaking GDB at the same time.

I decided to go ahead and implement a partial support for starting the
inferior with a shell on gdbserver, although the full feature comes in
the next patch.  The user won't have the option to disable the
startup-with-shell, and also won't be able to change which shell
gdbserver will use (other than setting the $SHELL environment
variable, that is).

Everything is working as expected, and no regressions were present
during the tests.

gdb/ChangeLog:
2017-06-07  Sergio Durigan Junior  <sergiodj@redhat.com>
	    Pedro Alves  <palves@redhat.com>

	* Makefile.in (HFILES_NO_SRCDIR): Add "common/common-inferior.h"
	and "nat/fork-inferior.h".
	* common/common-inferior.h: New file, with contents from
	"gdb/inferior.h".
	* commom/common-utils.c: Include "common-utils.h".
	(stringify_argv): New function.
	* common/common-utils.h (stringify_argv): New prototype.
	* configure.nat: Add "fork-inferior.o" as a dependency for
	"*linux*", "fbsd*" and "nbsd*" hosts.
	* corefile.c (get_exec_file): Update comment.
	* darwin-nat.c (darwin_ptrace_him): Call "gdb_startup_inferior"
	instead of "startup_inferior".
	(darwin_create_inferior): Call "add_thread_silent" after
	"fork_inferior".
	* fork-child.c: Cleanup unnecessary includes.
	(SHELL_FILE): Move to "common/common-fork-child.c".
	(environ): Likewise.
	(exec_wrapper): Initialize.
	(get_exec_wrapper): New function.
	(breakup_args): Move to "common/common-fork-child.c"; rename to
	"breakup_args_for_exec".
	(escape_bang_in_quoted_argument): Move to
	"common/common-fork-child.c".
	(saved_ui): New variable.
	(prefork_hook): New function.
	(postfork_hook): Likewise.
	(postfork_child_hook): Likewise.
	(gdb_startup_inferior): Likewise.
	(fork_inferior): Move to "common/common-fork-child.c".  Update
	function to support gdbserver.
	(startup_inferior): Likewise.
	* gdbcore.h (get_exec_file): Remove declaration.
	* gnu-nat.c (gnu_create_inferior): Call "gdb_startup_inferior"
	instead of "startup_inferior".  Call "add_thread_silent" after
	"fork_inferior".
	* inf-ptrace.c: Include "nat/fork-inferior.h" and "utils.h".
	(inf_ptrace_create_inferior): Call "gdb_startup_inferior"
	instead of "startup_inferior".  Call "add_thread_silent" after
	"fork_inferior".
	* inferior.h: Include "common-inferior.h".
	(trace_start_error): Move to "common/common-utils.h".
	(trace_start_error_with_name): Likewise.
	(fork_inferior): Move prototype to "nat/fork-inferior.h".
	(startup_inferior): Likewise.
	(gdb_startup_inferior): New prototype.
	* nat/fork-inferior.c: New file, with contents from "fork-child.c".
	* nat/fork-inferior.h: New file.
	* procfs.c (procfs_init_inferior): Call "gdb_startup_inferior"
	instead of "startup_inferior".  Call "add_thread_silent" after
	"fork_inferior".
	* target.h (target_terminal_init): Move prototype to
	"target/target.h".
	(target_terminal_inferior): Likewise.
	(target_terminal_ours): Likewise.
	* target/target.h (target_terminal_init): New prototype, moved
	from "target.h".
	(target_terminal_inferior): Likewise.
	(target_terminal_ours): Likewise.
	* utils.c (gdb_flush_out_err): New function.

gdb/gdbserver/ChangeLog:
2017-06-07  Sergio Durigan Junior  <sergiodj@redhat.com>
	    Pedro Alves  <palves@redhat.com>

	* Makefile.in (SFILES): Add "nat/fork-inferior.o".
	* configure: Regenerate.
	* configure.srv (srv_linux_obj): Add "fork-child.o" and
	"fork-inferior.o".
	(i[34567]86-*-lynxos*): Likewise.
	(spu*-*-*): Likewise.
	* fork-child.c: New file.
	* linux-low.c: Include "common-inferior.h", "nat/fork-inferior.h"
	and "environ.h".
	(linux_ptrace_fun): New function.
	(linux_create_inferior): Adjust function prototype to reflect
	change on "target.h".  Adjust function code to use
	"fork_inferior".
	(linux_request_interrupt): Delete "signal_pid".
	* lynx-low.c: Include "common-inferior.h" and "nat/fork-inferior.h".
	(lynx_ptrace_fun): New function.
	(lynx_create_inferior): Adjust function prototype to reflect
	change on "target.h".  Adjust function code to use
	"fork_inferior".
	* nto-low.c (nto_create_inferior): Adjust function prototype and
	code to reflect change on "target.h".  Update comments.
	* server.c: Include "common-inferior.h", "nat/fork-inferior.h",
	"common-terminal.h" and "environ.h".
	(terminal_fd): Moved to fork-child.c.
	(old_foreground_pgrp): Likewise.
	(restore_old_foreground_pgrp): Likewise.
	(last_status): Make it global.
	(last_ptid): Likewise.
	(our_environ): New variable.
	(startup_with_shell): Likewise.
	(program_name): Likewise.
	(program_argv): Rename to...
	(program_args): ...this.
	(wrapper_argv): New variable.
	(start_inferior): Delete function.
	(get_exec_wrapper): New function.
	(get_exec_file): Likewise.
	(get_environ): Likewise.
	(prefork_hook): Likewise.
	(post_fork_inferior): Likewise.
	(postfork_hook): Likewise.
	(postfork_child_hook): Likewise.
	(handle_v_run): Update code to deal with arguments coming from the
	remote host.  Update calls from "start_inferior" to
	"create_inferior".
	(captured_main): Likewise.  Initialize environment variable.  Call
	"have_job_control".
	* server.h (post_fork_inferior): New prototype.
	(get_environ): Likewise.
	(last_status): Declare.
	(last_ptid): Likewise.
	(signal_pid): Likewise.
	* spu-low.c: Include "common-inferior.h" and "nat/fork-inferior.h".
	(spu_ptrace_fun): New function.
	(spu_create_inferior): Adjust function prototype to reflect change
	on "target.h".  Adjust function code to use "fork_inferior".
	* target.c (target_terminal_init): New function.
	(target_terminal_inferior): Likewise.
	(target_terminal_ours): Likewise.
	* target.h: Include <vector>.
	(struct target_ops) <create_inferior>: Update prototype.
	(create_inferior): Update macro.
	* utils.c (gdb_flush_out_err): New function.
	* win32-low.c (win32_create_inferior): Adjust function prototype
	and code to reflect change on "target.h".

gdb/testsuite/ChangeLog:
2017-06-07  Sergio Durigan Junior  <sergiodj@redhat.com>

	* gdb.server/non-existing-program.exp: Update regex in order to
	reflect the fact that gdbserver is now using fork_inferior (with a
	shell) to startup the inferior.
 2017-06-07 19:56:09 -04:00
Joel Brobecker
61baf725ec update copyright year range in GDB files 
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
 2017-01-01 10:52:34 +04:00
Sergio Durigan Junior
1fb77080fd Consolidate API of target_supports_multi_process 
This simple commit consolidates the API of
target_supports_multi_process.  Since both GDB and gdbserver use the
same function prototype, all that was needed was to move create this
prototype on gdb/target/target.h and turn the macros declared on
gdb/{,gdbserver/}target.h into actual functions.

Regtested (clean pass) on the BuildBot.

gdb/ChangeLog:
2016-10-06  Sergio Durigan Junior  <sergiodj@redhat.com>

	* target.c (target_supports_multi_process): New function, moved
	from...
	* target.h (target_supports_multi_process): ... here.  Remove
	macro.
	* target/target.h (target_supports_multi_process): New prototype.

gdb/gdbserver/ChangeLog:
2016-10-06  Sergio Durigan Junior  <sergiodj@redhat.com>

	* target.c (target_supports_multi_process): New function, moved
	from...
	* target.h (target_supports_multi_process): ... here.  Remove
	macro.
 2016-10-06 17:00:53 -04:00
Yao Qi
17e1648598 PR 20627: Use resume_stop to stop lwp 
Commit 049a8570 (Use target_continue{,_no_signal} instead of target_resume)
replaces the code stopping lwp with target_continue_no_signal in
target_stop_and_wait, like this,

-  resume_info.thread = ptid;
-  resume_info.kind = resume_stop;
-  resume_info.sig = GDB_SIGNAL_0;
-  (*the_target->resume) (&resume_info, 1);
+  target_continue_no_signal (ptid);

the replacement is not equivalent, and it causes PR 20627.  This patch
is just to revert that change.

Regression testing it on x86_64-linux.

gdb/gdbserver:

2016-09-30  Yao Qi  <yao.qi@linaro.org>

	PR gdbserver/20627
	* target.c (target_stop_and_wait): Don't call
	target_continue_no_signal, use resume_stop instead.
 2016-09-30 18:39:12 +01:00
Sergio Durigan Junior
bc1e6c81d5 Consolidate target_mourn_inferior between GDB and gdbserver 
This patch consolidates the API of target_mourn_inferior between GDB
and gdbserver, in my continuing efforts to make sharing the
fork_inferior function possible between both.

GDB's version of the function did not care about the inferior's ptid
being mourned, but gdbserver's needed to know this information.  Since
it actually makes sense to pass the ptid as an argument, instead of
depending on a global value directly (which GDB's version did), I
decided to make the generic API to accept it.  I then went on and
extended all calls being made on GDB to include a ptid argument (which
ended up being inferior_ptid most of the times, anyway), and now we
have a more sane interface.

On GDB's side, after talking to Pedro a bit about it, we decided that
just an assertion to make sure that the ptid being passed is equal to
inferior_ptid would be enough for now, on the GDB side.  We can remove
the assertion and perform more operations later if we ever pass
anything different than inferior_ptid.

Regression tested on our BuildBot, everything OK.

I'd appreciate a special look at gdb/windows-nat.c's modification
because I wasn't really sure what to do there.  It seemed to me that
maybe I should build a ptid out of the process information there, but
then I am almost sure the assertion on GDB's side would trigger.

gdb/ChangeLog:
2016-09-19  Sergio Durigan Junior  <sergiodj@redhat.com>

	* darwin-nat.c (darwin_kill_inferior): Adjusting call to
	target_mourn_inferior to include ptid_t argument.
	* fork-child.c (startup_inferior): Likewise.
	* gnu-nat.c (gnu_kill_inferior): Likewise.
	* inf-ptrace.c (inf_ptrace_kill): Likewise.
	* infrun.c (handle_inferior_event_1): Likewise.
	* linux-nat.c (linux_nat_attach): Likewise.
	(linux_nat_kill): Likewise.
	* nto-procfs.c (interrupt_query): Likewise.
	(procfs_interrupt): Likewise.
	(procfs_kill_inferior): Likewise.
	* procfs.c (procfs_kill_inferior): Likewise.
	* record.c (record_mourn_inferior): Likewise.
	* remote-sim.c (gdbsim_kill): Likewise.
	* remote.c (remote_detach_1): Likewise.
	(remote_kill): Likewise.
	* target.c (target_mourn_inferior): Change declaration to accept
	new ptid_t argument; use gdb_assert on it.
	* target.h (target_mourn_inferior): Move function prototype from
	here...
	* target/target.h (target_mourn_inferior): ... to here.  Adjust it
	to accept new ptid_t argument.
	* windows-nat.c (get_windows_debug_event): Adjusting call to
	target_mourn_inferior to include ptid_t argument.

gdb/gdbserver/ChangeLog:
2016-09-19  Sergio Durigan Junior  <sergiodj@redhat.com>

	* server.c (start_inferior): Call target_mourn_inferior instead of
	mourn_inferior; pass ptid_t argument to it.
	(resume): Likewise.
	(handle_target_event): Likewise.
	* target.c (target_mourn_inferior): New function.
	* target.h (mourn_inferior): Delete macro.
 2016-09-19 00:17:29 -04:00
Sergio Durigan Junior
f2b9e3dfd4 Share target_wait prototype between GDB and gdbserver 
This commit moves the target_wait prototype from the GDB-specific
target.h header to the common target/target.h header.  Then, it
creates a compatible implementation of target_wait on gdbserver using
the_target->wait, and adjusts the (only) caller (mywait function).

Pretty straightforward, no regressions introduced.

gdb/gdbserver/ChangeLog:
2016-09-01  Sergio Durigan Junior  <sergiodj@redhat.com>

	* target.c (mywait): Call target_wait instead of
	the_target->wait.
	(target_wait): New function.

gdb/ChangeLog:
2016-09-01  Sergio Durigan Junior  <sergiodj@redhat.com>

	* target.c (target_wait): Mention that the function's prototype
	can be found at target/target.h.
	* target.h (target_wait): Move prototype from here...
	* target/target.h (target_wait): ... to here.
 2016-09-01 14:55:15 -04:00
Sergio Durigan Junior
049a857091 Use target_continue{,_no_signal} instead of target_resume 
This commit implements a new function, target_continue, on top of the
target_resume function.  Then, it replaces all calls to target_resume
by calls to target_continue or to the already existing
target_continue_no_signal.

This is one of the (many) necessary steps needed to consolidate the
target interface between GDB and gdbserver.  In particular, I am
interested in the impact this change will have on the unification of
the fork_inferior function (which I have been working on).

Tested on the BuildBot, no regressions introduced.

gdb/gdbserver/ChangeLog:
2016-09-31  Sergio Durigan Junior  <sergiodj@redhat.com>

	* server.c (start_inferior): New variable 'ptid'.  Replace calls
	to the_target->resume by target_continue{,_no_signal}, depending
	on the case.
	* target.c (target_stop_and_wait): Call target_continue_no_signal
	instead of the_target->resume.
	(target_continue): New function.

gdb/ChangeLog:
2016-09-31  Sergio Durigan Junior  <sergiodj@redhat.com>

	* fork-child.c (startup_inferior): Replace calls to target_resume
	by target_continue{,_no_signal}, depending on the case.
	* linux-nat.c (cleanup_target_stop): Call
	target_continue_no_signal instead of target_resume.
	* procfs.c (procfs_wait): Likewise.
	* target.c (target_continue): New function.
	* target/target.h (target_continue): New prototype.
 2016-09-01 14:53:51 -04:00
Joel Brobecker
618f726fcb GDB copyright headers update after running GDB's copyright.py script. 
gdb/ChangeLog:

        Update year range in copyright notice of all files.
 2016-01-01 08:43:22 +04:00
Joel Brobecker
0e50fe5ca6 gdbserver crash in gdb/gdbserver/thread.c::thread_search_callback 
Connecting GDB to a LynxOS-178 GDBserver causes GDBserver to crash:

    % gdbserver :4444 simple_main
    Process simple_main created; pid = 19
    Listening on port 4444
    Remote debugging from host 205.232.38.10
    Segmentation fault (core dumped)

The crash happens in thread_search_callback where the function
calls the_target->thread_stopped (via the thread_stopped macro)
without verifying whether the callback is NULL or not.

For the record, the regression was introduced by:

    commit a67a9faef0
    Date:   Mon Nov 30 16:05:26 2015 +0000
    Subject: gdbserver:prepare_access_memory: pick another thread

This patch avoids the crash by checking the value of the callback
first, before calling it.

gdb/gdbserver/ChangeLog:

        * target.c (thread_search_callback): Add check that
        the thread_stopped target callback is not NULL before
        calling it.
 2015-12-22 19:26:17 +04:00
Pedro Alves
a67a9faef0 gdbserver:prepare_access_memory: pick another thread 
Say GDB wants to access the inferior process's memory.  The current
remote general thread is 3, but GDB's switched to thread 2.  Because
both threads are of the same process, GDB skips making the remote
thread be thread 2 as well (sending an Hg packet) before accessing
memory (remote.c:set_general_process).  However, if thread 3 has
exited meanwhile, thread 3 no longer exists on the server and
gdbserver points current_thread to NULL.  The result is the memory
access fails, even through the process still exists.

Fix this by making prepare_to_access memory select the thread to
access memory through.

gdb/gdbserver/ChangeLog:
2015-11-30  Pedro Alves  <palves@redhat.com>

	* mem-break.c (check_gdb_bp_preconditions): Remove current_thread
	check.
	(set_gdb_breakpoint): If prepare_to_access_memory fails, set *ERR
	to -1.
	* target.c (struct thread_search): New structure.
	(thread_search_callback): New function.
	(prev_general_thread): New global.
	(prepare_to_access_memory, done_accessing_memory): New functions.
	* target.h (prepare_to_access_memory, done_accessing_memory):
	Replace macros with function declarations.
 2015-11-30 18:44:51 +00:00
Antoine Tremblay
2e6ee069ae Refactor default_breakpoint_kind_from_pc to be used by all targets in GDBServer. 
This patch moves default_breakpoint_kind_from_pc to target.c and creates a macro
so that all targets can easily use it.

This allows the breakpoint_kind_from_pc operation to be left unimplemented in
targets that do not need it.

This is preparation to fix the win32/nto/spu build that was broken by this
patch: https://sourceware.org/ml/gdb-patches/2015-10/msg00369.html

No regression on Ubuntu 14.04 x86-64 with gdbserver-{native-extended}

gdb/gdbserver/ChangeLog:

	* linux-low.c (default_breakpoint_kind_from_pc): Move to target.c.
	* mem-break.c (set_breakpoint_at): Use target_breakpoint_kind_from_pc.
	* target.c (default_breakpoint_kind_from_pc): Moved from linux-low.c
	* target.h (target_breakpoint_kind_from_pc): New macro.
 2015-10-23 13:20:39 -04:00
Simon Marchi
224c3ddb89 Add casts to memory allocation related calls 
Most allocation functions (if not all) return a void* pointing to the
allocated memory.  In C++, we need to add an explicit cast when
assigning the result to a pointer to another type (which is the case
more often than not).

The content of this patch is taken from Pedro's branch, from commit
"(mostly) auto-generated patch to insert casts needed for C++".  I
validated that the changes make sense and manually reflowed the code to
make it respect the coding style.  I also found multiple places where I
could use XNEW/XNEWVEC/XRESIZEVEC/etc.

Thanks a lot to whoever did that automated script to insert casts, doing
it completely by hand would have taken a ridiculous amount of time.

Only files built on x86 with --enable-targets=all are modified.  This
means that all other -nat.c files are untouched and will have to be
dealt with later by using appropiate compilers.  Or maybe we can try to
build them with a regular g++ just to know where to add casts, I don't
know.

I built-tested this with --enable-targets=all and reg-tested.

Here's the changelog entry, which was not too bad to make despite the
size, thanks to David Malcom's script.  I fixed some bits by hand, but
there might be some wrong parts left (hopefully not).

gdb/ChangeLog:

	* aarch64-linux-tdep.c (aarch64_stap_parse_special_token): Add cast
	to allocation result assignment.
	* ada-exp.y (write_object_renaming): Likewise.
	(write_ambiguous_var): Likewise.
	(ada_nget_field_index): Likewise.
	(write_var_or_type): Likewise.
	* ada-lang.c (ada_decode_symbol): Likewise.
	(ada_value_assign): Likewise.
	(value_pointer): Likewise.
	(cache_symbol): Likewise.
	(add_nonlocal_symbols): Likewise.
	(ada_name_for_lookup): Likewise.
	(symbol_completion_add): Likewise.
	(ada_to_fixed_type_1): Likewise.
	(ada_get_next_arg): Likewise.
	(defns_collected): Likewise.
	* ada-lex.l (processId): Likewise.
	(processString): Likewise.
	* ada-tasks.c (read_known_tasks_array): Likewise.
	(read_known_tasks_list): Likewise.
	* ada-typeprint.c (decoded_type_name): Likewise.
	* addrmap.c (addrmap_mutable_create_fixed): Likewise.
	* amd64-tdep.c (amd64_push_arguments): Likewise.
	(amd64_displaced_step_copy_insn): Likewise.
	(amd64_classify_insn_at): Likewise.
	(amd64_relocate_instruction): Likewise.
	* amd64obsd-tdep.c (amd64obsd_sigtramp_p): Likewise.
	* arch-utils.c (simple_displaced_step_copy_insn): Likewise.
	(initialize_current_architecture): Likewise.
	* arm-linux-tdep.c (arm_stap_parse_special_token): Likewise.
	* arm-symbian-tdep.c (arm_symbian_osabi_sniffer): Likewise.
	* arm-tdep.c (arm_exidx_new_objfile): Likewise.
	(arm_push_dummy_call): Likewise.
	(extend_buffer_earlier): Likewise.
	(arm_adjust_breakpoint_address): Likewise.
	(arm_skip_stub): Likewise.
	* auto-load.c (filename_is_in_pattern): Likewise.
	(maybe_add_script_file): Likewise.
	(maybe_add_script_text): Likewise.
	(auto_load_objfile_script_1): Likewise.
	* auxv.c (ld_so_xfer_auxv): Likewise.
	* ax-general.c (new_agent_expr): Likewise.
	(grow_expr): Likewise.
	(ax_reg_mask): Likewise.
	* bcache.c (bcache_full): Likewise.
	* breakpoint.c (program_breakpoint_here_p): Likewise.
	* btrace.c (parse_xml_raw): Likewise.
	* build-id.c (build_id_to_debug_bfd): Likewise.
	* buildsym.c (end_symtab_with_blockvector): Likewise.
	* c-exp.y (string_exp): Likewise.
	(qualified_name): Likewise.
	(write_destructor_name): Likewise.
	(operator_stoken): Likewise.
	(parse_number): Likewise.
	(scan_macro_expansion): Likewise.
	(yylex): Likewise.
	(c_print_token): Likewise.
	* c-lang.c (c_get_string): Likewise.
	(emit_numeric_character): Likewise.
	* charset.c (wchar_iterate): Likewise.
	* cli/cli-cmds.c (complete_command): Likewise.
	(make_command): Likewise.
	* cli/cli-dump.c (restore_section_callback): Likewise.
	(restore_binary_file): Likewise.
	* cli/cli-interp.c (cli_interpreter_exec): Likewise.
	* cli/cli-script.c (execute_control_command): Likewise.
	* cli/cli-setshow.c (do_set_command): Likewise.
	* coff-pe-read.c (add_pe_forwarded_sym): Likewise.
	(read_pe_exported_syms): Likewise.
	* coffread.c (coff_read_struct_type): Likewise.
	(coff_read_enum_type): Likewise.
	* common/btrace-common.c (btrace_data_append): Likewise.
	* common/buffer.c (buffer_grow): Likewise.
	* common/filestuff.c (gdb_fopen_cloexec): Likewise.
	* common/format.c (parse_format_string): Likewise.
	* common/gdb_vecs.c (delim_string_to_char_ptr_vec_append): Likewise.
	* common/xml-utils.c (xml_escape_text): Likewise.
	* compile/compile-object-load.c (copy_sections): Likewise.
	(compile_object_load): Likewise.
	* compile/compile-object-run.c (compile_object_run): Likewise.
	* completer.c (filename_completer): Likewise.
	* corefile.c (read_memory_typed_address): Likewise.
	(write_memory_unsigned_integer): Likewise.
	(write_memory_signed_integer): Likewise.
	(complete_set_gnutarget): Likewise.
	* corelow.c (get_core_register_section): Likewise.
	* cp-name-parser.y (d_grab): Likewise.
	(allocate_info): Likewise.
	(cp_new_demangle_parse_info): Likewise.
	* cp-namespace.c (cp_scan_for_anonymous_namespaces): Likewise.
	(cp_lookup_symbol_in_namespace): Likewise.
	(lookup_namespace_scope): Likewise.
	(find_symbol_in_baseclass): Likewise.
	(cp_lookup_nested_symbol): Likewise.
	(cp_lookup_transparent_type_loop): Likewise.
	* cp-support.c (copy_string_to_obstack): Likewise.
	(make_symbol_overload_list): Likewise.
	(make_symbol_overload_list_namespace): Likewise.
	(make_symbol_overload_list_adl_namespace): Likewise.
	(first_component_command): Likewise.
	* cp-valprint.c (cp_print_value): Likewise.
	* ctf.c (ctf_xfer_partial): Likewise.
	* d-exp.y (StringExp): Likewise.
	* d-namespace.c (d_lookup_symbol_in_module): Likewise.
	(lookup_module_scope): Likewise.
	(find_symbol_in_baseclass): Likewise.
	(d_lookup_nested_symbol): Likewise.
	* dbxread.c (find_stab_function_addr): Likewise.
	(read_dbx_symtab): Likewise.
	(dbx_end_psymtab): Likewise.
	(cp_set_block_scope): Likewise.
	* dcache.c (dcache_alloc): Likewise.
	* demangle.c (_initialize_demangler): Likewise.
	* dicos-tdep.c (dicos_load_module_p): Likewise.
	* dictionary.c (dict_create_hashed_expandable): Likewise.
	(dict_create_linear_expandable): Likewise.
	(expand_hashtable): Likewise.
	(add_symbol_linear_expandable): Likewise.
	* dwarf2-frame.c (add_cie): Likewise.
	(add_fde): Likewise.
	(dwarf2_build_frame_info): Likewise.
	* dwarf2expr.c (dwarf_expr_grow_stack): Likewise.
	(dwarf_expr_fetch_address): Likewise.
	(add_piece): Likewise.
	(execute_stack_op): Likewise.
	* dwarf2loc.c (chain_candidate): Likewise.
	(dwarf_entry_parameter_to_value): Likewise.
	(read_pieced_value): Likewise.
	(write_pieced_value): Likewise.
	* dwarf2read.c (dwarf2_read_section): Likewise.
	(add_type_unit): Likewise.
	(read_comp_units_from_section): Likewise.
	(fixup_go_packaging): Likewise.
	(dwarf2_compute_name): Likewise.
	(dwarf2_physname): Likewise.
	(create_dwo_unit_in_dwp_v1): Likewise.
	(create_dwo_unit_in_dwp_v2): Likewise.
	(read_func_scope): Likewise.
	(read_call_site_scope): Likewise.
	(dwarf2_attach_fields_to_type): Likewise.
	(process_structure_scope): Likewise.
	(mark_common_block_symbol_computed): Likewise.
	(read_common_block): Likewise.
	(abbrev_table_read_table): Likewise.
	(guess_partial_die_structure_name): Likewise.
	(fixup_partial_die): Likewise.
	(add_file_name): Likewise.
	(dwarf2_const_value_data): Likewise.
	(dwarf2_const_value_attr): Likewise.
	(build_error_marker_type): Likewise.
	(guess_full_die_structure_name): Likewise.
	(anonymous_struct_prefix): Likewise.
	(typename_concat): Likewise.
	(dwarf2_canonicalize_name): Likewise.
	(dwarf2_name): Likewise.
	(write_constant_as_bytes): Likewise.
	(dwarf2_fetch_constant_bytes): Likewise.
	(copy_string): Likewise.
	(parse_macro_definition): Likewise.
	* elfread.c (elf_symfile_segments): Likewise.
	(elf_rel_plt_read): Likewise.
	(elf_gnu_ifunc_resolve_by_cache): Likewise.
	(elf_gnu_ifunc_resolve_by_got): Likewise.
	(elf_read_minimal_symbols): Likewise.
	(elf_gnu_ifunc_record_cache): Likewise.
	* event-top.c (top_level_prompt): Likewise.
	(command_line_handler): Likewise.
	* exec.c (resize_section_table): Likewise.
	* expprint.c (print_subexp_standard): Likewise.
	* fbsd-tdep.c (fbsd_collect_regset_section_cb): Likewise.
	* findcmd.c (parse_find_args): Likewise.
	* findvar.c (address_from_register): Likewise.
	* frame.c (get_prev_frame_always): Likewise.
	* gdb_bfd.c (gdb_bfd_ref): Likewise.
	(get_section_descriptor): Likewise.
	* gdb_obstack.c (obconcat): Likewise.
	(obstack_strdup): Likewise.
	* gdbtypes.c (lookup_function_type_with_arguments): Likewise.
	(create_set_type): Likewise.
	(lookup_unsigned_typename): Likewise.
	(lookup_signed_typename): Likewise.
	(resolve_dynamic_union): Likewise.
	(resolve_dynamic_struct): Likewise.
	(add_dyn_prop): Likewise.
	(copy_dynamic_prop_list): Likewise.
	(arch_flags_type): Likewise.
	(append_composite_type_field_raw): Likewise.
	* gdbtypes.h (INIT_FUNC_SPECIFIC): Likewise.
	* gnu-v3-abi.c (gnuv3_rtti_type): Likewise.
	* go-exp.y (string_exp): Likewise.
	* go-lang.c (go_demangle): Likewise.
	* guile/guile.c (compute_scheme_string): Likewise.
	* guile/scm-cmd.c (gdbscm_parse_command_name): Likewise.
	(gdbscm_canonicalize_command_name): Likewise.
	* guile/scm-ports.c (ioscm_init_stdio_buffers): Likewise.
	(ioscm_init_memory_port): Likewise.
	(ioscm_reinit_memory_port): Likewise.
	* guile/scm-utils.c (gdbscm_gc_xstrdup): Likewise.
	(gdbscm_gc_dup_argv): Likewise.
	* h8300-tdep.c (h8300_push_dummy_call): Likewise.
	* hppa-tdep.c (internalize_unwinds): Likewise.
	(read_unwind_info): Likewise.
	* i386-cygwin-tdep.c (core_process_module_section): Likewise.
	(windows_core_xfer_shared_libraries): Likewise.
	* i386-tdep.c (i386_displaced_step_copy_insn): Likewise.
	(i386_stap_parse_special_token_triplet): Likewise.
	(i386_stap_parse_special_token_three_arg_disp): Likewise.
	* i386obsd-tdep.c (i386obsd_sigtramp_p): Likewise.
	* inf-child.c (inf_child_fileio_readlink): Likewise.
	* inf-ptrace.c (inf_ptrace_fetch_register): Likewise.
	(inf_ptrace_store_register): Likewise.
	* infrun.c (follow_exec): Likewise.
	(displaced_step_prepare_throw): Likewise.
	(save_stop_context): Likewise.
	(save_infcall_suspend_state): Likewise.
	* jit.c (jit_read_descriptor): Likewise.
	(jit_read_code_entry): Likewise.
	(jit_symtab_line_mapping_add_impl): Likewise.
	(finalize_symtab): Likewise.
	(jit_unwind_reg_get_impl): Likewise.
	* jv-exp.y (QualifiedName): Likewise.
	* jv-lang.c (get_java_utf8_name): Likewise.
	(type_from_class): Likewise.
	(java_demangle_type_signature): Likewise.
	(java_class_name_from_physname): Likewise.
	* jv-typeprint.c (java_type_print_base): Likewise.
	* jv-valprint.c (java_value_print): Likewise.
	* language.c (add_language): Likewise.
	* linespec.c (add_sal_to_sals_basic): Likewise.
	(add_sal_to_sals): Likewise.
	(decode_objc): Likewise.
	(find_linespec_symbols): Likewise.
	* linux-fork.c (fork_save_infrun_state): Likewise.
	* linux-nat.c (linux_nat_detach): Likewise.
	(linux_nat_fileio_readlink): Likewise.
	* linux-record.c (record_linux_sockaddr): Likewise.
	(record_linux_msghdr): Likewise.
	(Do): Likewise.
	* linux-tdep.c (linux_core_info_proc_mappings): Likewise.
	(linux_collect_regset_section_cb): Likewise.
	(linux_get_siginfo_data): Likewise.
	* linux-thread-db.c (try_thread_db_load_from_pdir_1): Likewise.
	(try_thread_db_load_from_dir): Likewise.
	(thread_db_load_search): Likewise.
	(info_auto_load_libthread_db): Likewise.
	* m32c-tdep.c (m32c_m16c_address_to_pointer): Likewise.
	(m32c_m16c_pointer_to_address): Likewise.
	* m68hc11-tdep.c (m68hc11_pseudo_register_write): Likewise.
	* m68k-tdep.c (m68k_get_longjmp_target): Likewise.
	* machoread.c (macho_check_dsym): Likewise.
	* macroexp.c (resize_buffer): Likewise.
	(gather_arguments): Likewise.
	(maybe_expand): Likewise.
	* macrotab.c (new_macro_key): Likewise.
	(new_source_file): Likewise.
	(new_macro_definition): Likewise.
	* mdebugread.c (parse_symbol): Likewise.
	(parse_type): Likewise.
	(parse_partial_symbols): Likewise.
	(psymtab_to_symtab_1): Likewise.
	* mem-break.c (default_memory_insert_breakpoint): Likewise.
	* mi/mi-cmd-break.c (mi_argv_to_format): Likewise.
	* mi/mi-main.c (mi_cmd_data_read_memory): Likewise.
	(mi_cmd_data_read_memory_bytes): Likewise.
	(mi_cmd_data_write_memory_bytes): Likewise.
	(mi_cmd_trace_frame_collected): Likewise.
	* mi/mi-parse.c (mi_parse_argv): Likewise.
	(mi_parse): Likewise.
	* minidebug.c (lzma_open): Likewise.
	(lzma_pread): Likewise.
	* mips-tdep.c (mips_read_fp_register_single): Likewise.
	(mips_print_fp_register): Likewise.
	* mipsnbsd-tdep.c (mipsnbsd_get_longjmp_target): Likewise.
	* mipsread.c (read_alphacoff_dynamic_symtab): Likewise.
	* mt-tdep.c (mt_register_name): Likewise.
	(mt_registers_info): Likewise.
	(mt_push_dummy_call): Likewise.
	* namespace.c (add_using_directive): Likewise.
	* nat/linux-btrace.c (perf_event_read): Likewise.
	(linux_enable_bts): Likewise.
	* nat/linux-osdata.c (linux_common_core_of_thread): Likewise.
	* nat/linux-ptrace.c (linux_ptrace_test_ret_to_nx): Likewise.
	* nto-tdep.c (nto_find_and_open_solib): Likewise.
	(nto_parse_redirection): Likewise.
	* objc-lang.c (objc_demangle): Likewise.
	(find_methods): Likewise.
	* objfiles.c (get_objfile_bfd_data): Likewise.
	(set_objfile_main_name): Likewise.
	(allocate_objfile): Likewise.
	(objfile_relocate): Likewise.
	(update_section_map): Likewise.
	* osabi.c (generic_elf_osabi_sniff_abi_tag_sections): Likewise.
	* p-exp.y (exp): Likewise.
	(yylex): Likewise.
	* p-valprint.c (pascal_object_print_value): Likewise.
	* parse.c (initialize_expout): Likewise.
	(mark_completion_tag): Likewise.
	(copy_name): Likewise.
	(parse_float): Likewise.
	(type_stack_reserve): Likewise.
	* ppc-linux-tdep.c (ppc_stap_parse_special_token): Likewise.
	(ppu2spu_prev_register): Likewise.
	* ppc-ravenscar-thread.c (supply_register_at_address): Likewise.
	* printcmd.c (printf_wide_c_string): Likewise.
	(printf_pointer): Likewise.
	* probe.c (parse_probes): Likewise.
	* python/py-cmd.c (gdbpy_parse_command_name): Likewise.
	(cmdpy_init): Likewise.
	* python/py-gdb-readline.c (gdbpy_readline_wrapper): Likewise.
	* python/py-symtab.c (set_sal): Likewise.
	* python/py-unwind.c (pyuw_sniffer): Likewise.
	* python/python.c (python_interactive_command): Likewise.
	(compute_python_string): Likewise.
	* ravenscar-thread.c (get_running_thread_id): Likewise.
	* record-full.c (record_full_exec_insn): Likewise.
	(record_full_core_open_1): Likewise.
	* regcache.c (regcache_raw_read_signed): Likewise.
	(regcache_raw_read_unsigned): Likewise.
	(regcache_cooked_read_signed): Likewise.
	(regcache_cooked_read_unsigned): Likewise.
	* remote-fileio.c (remote_fileio_func_open): Likewise.
	(remote_fileio_func_rename): Likewise.
	(remote_fileio_func_unlink): Likewise.
	(remote_fileio_func_stat): Likewise.
	(remote_fileio_func_system): Likewise.
	* remote-mips.c (mips_xfer_memory): Likewise.
	(mips_load_srec): Likewise.
	(pmon_end_download): Likewise.
	* remote.c (new_remote_state): Likewise.
	(map_regcache_remote_table): Likewise.
	(remote_register_number_and_offset): Likewise.
	(init_remote_state): Likewise.
	(get_memory_packet_size): Likewise.
	(remote_pass_signals): Likewise.
	(remote_program_signals): Likewise.
	(remote_start_remote): Likewise.
	(remote_check_symbols): Likewise.
	(remote_query_supported): Likewise.
	(extended_remote_attach): Likewise.
	(process_g_packet): Likewise.
	(store_registers_using_G): Likewise.
	(putpkt_binary): Likewise.
	(read_frame): Likewise.
	(compare_sections_command): Likewise.
	(remote_hostio_pread): Likewise.
	(remote_hostio_readlink): Likewise.
	(remote_file_put): Likewise.
	(remote_file_get): Likewise.
	(remote_pid_to_exec_file): Likewise.
	(_initialize_remote): Likewise.
	* rs6000-aix-tdep.c (rs6000_aix_ld_info_to_xml): Likewise.
	(rs6000_aix_core_xfer_shared_libraries_aix): Likewise.
	* rs6000-tdep.c (ppc_displaced_step_copy_insn): Likewise.
	(bfd_uses_spe_extensions): Likewise.
	* s390-linux-tdep.c (s390_displaced_step_copy_insn): Likewise.
	* score-tdep.c (score7_malloc_and_get_memblock): Likewise.
	* solib-dsbt.c (decode_loadmap): Likewise.
	(fetch_loadmap): Likewise.
	(scan_dyntag): Likewise.
	(enable_break): Likewise.
	(dsbt_relocate_main_executable): Likewise.
	* solib-frv.c (fetch_loadmap): Likewise.
	(enable_break2): Likewise.
	(frv_relocate_main_executable): Likewise.
	* solib-spu.c (spu_relocate_main_executable): Likewise.
	(spu_bfd_open): Likewise.
	* solib-svr4.c (lm_info_read): Likewise.
	(read_program_header): Likewise.
	(find_program_interpreter): Likewise.
	(scan_dyntag): Likewise.
	(elf_locate_base): Likewise.
	(open_symbol_file_object): Likewise.
	(read_program_headers_from_bfd): Likewise.
	(svr4_relocate_main_executable): Likewise.
	* solib-target.c (solib_target_relocate_section_addresses): Likewise.
	* solib.c (solib_find_1): Likewise.
	(exec_file_find): Likewise.
	(solib_find): Likewise.
	* source.c (openp): Likewise.
	(print_source_lines_base): Likewise.
	(forward_search_command): Likewise.
	* sparc-ravenscar-thread.c (supply_register_at_address): Likewise.
	* spu-tdep.c (spu2ppu_prev_register): Likewise.
	(spu_get_overlay_table): Likewise.
	* stabsread.c (patch_block_stabs): Likewise.
	(define_symbol): Likewise.
	(again:): Likewise.
	(read_member_functions): Likewise.
	(read_one_struct_field): Likewise.
	(read_enum_type): Likewise.
	(common_block_start): Likewise.
	* stack.c (read_frame_arg): Likewise.
	(backtrace_command): Likewise.
	* stap-probe.c (stap_parse_register_operand): Likewise.
	* symfile.c (syms_from_objfile_1): Likewise.
	(find_separate_debug_file): Likewise.
	(load_command): Likewise.
	(load_progress): Likewise.
	(load_section_callback): Likewise.
	(reread_symbols): Likewise.
	(add_filename_language): Likewise.
	(allocate_compunit_symtab): Likewise.
	(read_target_long_array): Likewise.
	(simple_read_overlay_table): Likewise.
	* symtab.c (symbol_set_names): Likewise.
	(resize_symbol_cache): Likewise.
	(rbreak_command): Likewise.
	(completion_list_add_name): Likewise.
	(completion_list_objc_symbol): Likewise.
	(add_filename_to_list): Likewise.
	* target-descriptions.c (maint_print_c_tdesc_cmd): Likewise.
	* target-memory.c (target_write_memory_blocks): Likewise.
	* target.c (target_read_string): Likewise.
	(read_whatever_is_readable): Likewise.
	(target_read_alloc_1): Likewise.
	(simple_search_memory): Likewise.
	(target_fileio_read_alloc_1): Likewise.
	* tilegx-tdep.c (tilegx_push_dummy_call): Likewise.
	* top.c (command_line_input): Likewise.
	* tracefile-tfile.c (tfile_fetch_registers): Likewise.
	* tracefile.c (tracefile_fetch_registers): Likewise.
	* tracepoint.c (add_memrange): Likewise.
	(init_collection_list): Likewise.
	(add_aexpr): Likewise.
	(trace_dump_actions): Likewise.
	(parse_trace_status): Likewise.
	(parse_tracepoint_definition): Likewise.
	(parse_tsv_definition): Likewise.
	(parse_static_tracepoint_marker_definition): Likewise.
	* tui/tui-file.c (tui_sfileopen): Likewise.
	(tui_file_adjust_strbuf): Likewise.
	* tui/tui-io.c (tui_expand_tabs): Likewise.
	* tui/tui-source.c (tui_set_source_content): Likewise.
	* typeprint.c (find_global_typedef): Likewise.
	* ui-file.c (do_ui_file_xstrdup): Likewise.
	(ui_file_obsavestring): Likewise.
	(mem_file_write): Likewise.
	* utils.c (make_hex_string): Likewise.
	(get_regcomp_error): Likewise.
	(puts_filtered_tabular): Likewise.
	(gdb_realpath_keepfile): Likewise.
	(ldirname): Likewise.
	(gdb_bfd_errmsg): Likewise.
	(substitute_path_component): Likewise.
	* valops.c (search_struct_method): Likewise.
	(find_oload_champ_namespace_loop): Likewise.
	* valprint.c (print_decimal_chars): Likewise.
	(read_string): Likewise.
	(generic_emit_char): Likewise.
	* varobj.c (varobj_delete): Likewise.
	(varobj_value_get_print_value): Likewise.
	* vaxobsd-tdep.c (vaxobsd_sigtramp_sniffer): Likewise.
	* windows-tdep.c (display_one_tib): Likewise.
	* xcoffread.c (read_xcoff_symtab): Likewise.
	(process_xcoff_symbol): Likewise.
	(swap_sym): Likewise.
	(scan_xcoff_symtab): Likewise.
	(xcoff_initial_scan): Likewise.
	* xml-support.c (gdb_xml_end_element): Likewise.
	(xml_process_xincludes): Likewise.
	(xml_fetch_content_from_file): Likewise.
	* xml-syscall.c (xml_list_of_syscalls): Likewise.
	* xstormy16-tdep.c (xstormy16_push_dummy_call): Likewise.

gdb/gdbserver/ChangeLog:

	* ax.c (gdb_parse_agent_expr): Add cast to allocation result
	assignment.
	(gdb_unparse_agent_expr): Likewise.
	* hostio.c (require_data): Likewise.
	(handle_pread): Likewise.
	* linux-low.c (disable_regset): Likewise.
	(fetch_register): Likewise.
	(store_register): Likewise.
	(get_dynamic): Likewise.
	(linux_qxfer_libraries_svr4): Likewise.
	* mem-break.c (delete_fast_tracepoint_jump): Likewise.
	(set_fast_tracepoint_jump): Likewise.
	(uninsert_fast_tracepoint_jumps_at): Likewise.
	(reinsert_fast_tracepoint_jumps_at): Likewise.
	(validate_inserted_breakpoint): Likewise.
	(clone_agent_expr): Likewise.
	* regcache.c (init_register_cache): Likewise.
	* remote-utils.c (putpkt_binary_1): Likewise.
	(decode_M_packet): Likewise.
	(decode_X_packet): Likewise.
	(look_up_one_symbol): Likewise.
	(relocate_instruction): Likewise.
	(monitor_output): Likewise.
	* server.c (handle_search_memory): Likewise.
	(handle_qxfer_exec_file): Likewise.
	(handle_qxfer_libraries): Likewise.
	(handle_qxfer): Likewise.
	(handle_query): Likewise.
	(handle_v_cont): Likewise.
	(handle_v_run): Likewise.
	(captured_main): Likewise.
	* target.c (write_inferior_memory): Likewise.
	* thread-db.c (try_thread_db_load_from_dir): Likewise.
	* tracepoint.c (init_trace_buffer): Likewise.
	(add_tracepoint_action): Likewise.
	(add_traceframe): Likewise.
	(add_traceframe_block): Likewise.
	(cmd_qtdpsrc): Likewise.
	(cmd_qtdv): Likewise.
	(cmd_qtstatus): Likewise.
	(response_source): Likewise.
	(response_tsv): Likewise.
	(cmd_qtnotes): Likewise.
	(gdb_collect): Likewise.
	(initialize_tracepoint): Likewise.
 2015-09-25 14:08:06 -04:00
Yao Qi
70b90b91bf [gdbserver] Rename supports_conditional_breakpoints to supports_hardware_single_step 
In my patch https://sourceware.org/ml/gdb-patches/2015-04/msg01110.html
a new target_ops hook supports_conditional_breakpoints was added to
disable conditional breakpoints if target doesn't have hardware single
step.  This patch is to generalize this hook from
supports_conditional_breakpoints to supports_hardware_single_step,
so that the following patch can use it.

gdb/gdbserver:

2015-09-15  Yao Qi  <yao.qi@linaro.org>

	* linux-low.c (linux_supports_conditional_breakpoints): Rename
	it to ...
	(linux_supports_hardware_single_step): ... New function.
	(linux_target_ops): Update.
	* lynx-low.c (lynx_target_ops): Set field
	supports_hardware_single_step to target_can_do_hardware_single_step.
	* nto-low.c (nto_target_ops): Likewise.
	* spu-low.c (spu_target_ops): Likewise.
	* win32-low.c (win32_target_ops): Likewise.
	* target.c (target_can_do_hardware_single_step): New function.
	* target.h (struct target_ops) <supports_conditional_breakpoints>:
	Remove.  <supports_hardware_single_step>: New field.
	(target_supports_conditional_breakpoints): Remove.
	(target_supports_hardware_single_step): New macro.
	(target_can_do_hardware_single_step): Declare.
	* server.c (handle_query): Use target_supports_hardware_single_step
	instead of target_supports_conditional_breakpoints.
 2015-09-15 14:09:18 +01:00
Simon Marchi
8d7493201c Replace some xmalloc-family functions with XNEW-family ones 
This patch is part of the make-gdb-buildable-in-C++ effort.  The idea is
to change some calls to the xmalloc family of functions to calls to the
equivalents in the XNEW family.  This avoids adding an explicit cast, so
it keeps the code a bit more readable.  Some of them also map relatively
well to a C++ equivalent (XNEW (struct foo) -> new foo), so it will be
possible to do scripted replacements if needed.

I only changed calls that were obviously allocating memory for one or
multiple "objects".  Allocation of variable sizes (such as strings or
buffer handling) will be for later (and won't use XNEW).

  - xmalloc (sizeof (struct foo)) -> XNEW (struct foo)
  - xmalloc (num * sizeof (struct foo)) -> XNEWVEC (struct foo, num)
  - xcalloc (1, sizeof (struct foo)) -> XCNEW (struct foo)
  - xcalloc (num, sizeof (struct foo)) -> XCNEWVEC (struct foo, num)
  - xrealloc (p, num * sizeof (struct foo) -> XRESIZEVEC (struct foo, p, num)
  - obstack_alloc (ob, sizeof (struct foo)) -> XOBNEW (ob, struct foo)
  - obstack_alloc (ob, num * sizeof (struct foo)) -> XOBNEWVEC (ob, struct foo, num)
  - alloca (sizeof (struct foo)) -> XALLOCA (struct foo)
  - alloca (num * sizeof (struct foo)) -> XALLOCAVEC (struct foo, num)

Some instances of xmalloc followed by memset to zero the buffer were
replaced by XCNEW or XCNEWVEC.

I regtested on x86-64, Ubuntu 14.04, but the patch touches many
architecture-specific files.  For those I'll have to rely on the
buildbot or people complaining that I broke their gdb.

gdb/ChangeLog:

	* aarch64-linux-nat.c (aarch64_add_process): Likewise.
	* aarch64-tdep.c (aarch64_gdbarch_init): Likewise.
	* ada-exp.y (write_ambiguous_var): Likewise.
	* ada-lang.c (resolve_subexp): Likewise.
	(user_select_syms): Likewise.
	(assign_aggregate): Likewise.
	(ada_evaluate_subexp): Likewise.
	(cache_symbol): Likewise.
	* addrmap.c (allocate_key): Likewise.
	(addrmap_create_mutable): Likewise.
	* aix-thread.c (sync_threadlists): Likewise.
	* alpha-tdep.c (alpha_push_dummy_call): Likewise.
	(alpha_gdbarch_init): Likewise.
	* amd64-windows-tdep.c (amd64_windows_push_arguments): Likewise.
	* arm-linux-nat.c (arm_linux_add_process): Likewise.
	* arm-linux-tdep.c (arm_linux_displaced_step_copy_insn): Likewise.
	* arm-tdep.c (push_stack_item): Likewise.
	(arm_displaced_step_copy_insn): Likewise.
	(arm_gdbarch_init): Likewise.
	(_initialize_arm_tdep): Likewise.
	* avr-tdep.c (push_stack_item): Likewise.
	* ax-general.c (new_agent_expr): Likewise.
	* block.c (block_initialize_namespace): Likewise.
	* breakpoint.c (alloc_counted_command_line): Likewise.
	(update_dprintf_command_list): Likewise.
	(parse_breakpoint_sals): Likewise.
	(decode_static_tracepoint_spec): Likewise.
	(until_break_command): Likewise.
	(clear_command): Likewise.
	(update_global_location_list): Likewise.
	(get_breakpoint_objfile_data) Likewise.
	* btrace.c (ftrace_new_function): Likewise.
	(btrace_set_insn_history): Likewise.
	(btrace_set_call_history): Likewise.
	* buildsym.c (add_symbol_to_list): Likewise.
	(record_pending_block): Likewise.
	(start_subfile): Likewise.
	(start_buildsym_compunit): Likewise.
	(push_subfile): Likewise.
	(end_symtab_get_static_block): Likewise.
	(buildsym_init): Likewise.
	* cli/cli-cmds.c (source_command): Likewise.
	* cli/cli-decode.c (add_cmd): Likewise.
	* cli/cli-script.c (build_command_line): Likewise.
	(setup_user_args): Likewise.
	(realloc_body_list): Likewise.
	(process_next_line): Likewise.
	(copy_command_lines): Likewise.
	* cli/cli-setshow.c (do_set_command): Likewise.
	* coff-pe-read.c (read_pe_exported_syms): Likewise.
	* coffread.c (coff_locate_sections): Likewise.
	(coff_symtab_read): Likewise.
	(coff_read_struct_type): Likewise.
	* common/cleanups.c (make_my_cleanup2): Likewise.
	* common/common-exceptions.c (throw_it): Likewise.
	* common/filestuff.c (make_cleanup_close): Likewise.
	* common/format.c (parse_format_string): Likewise.
	* common/queue.h (DEFINE_QUEUE_P): Likewise.
	* compile/compile-object-load.c (munmap_list_add): Likewise.
	(compile_object_load): Likewise.
	* compile/compile-object-run.c (compile_object_run): Likewise.
	* compile/compile.c (append_args): Likewise.
	* corefile.c (specify_exec_file_hook): Likewise.
	* cp-support.c (make_symbol_overload_list): Likewise.
	* cris-tdep.c (push_stack_item): Likewise.
	(cris_gdbarch_init): Likewise.
	* ctf.c (ctf_trace_file_writer_new): Likewise.
	* dbxread.c (init_header_files): Likewise.
	(add_new_header_file): Likewise.
	(init_bincl_list): Likewise.
	(dbx_end_psymtab): Likewise.
	(start_psymtab): Likewise.
	(dbx_end_psymtab): Likewise.
	* dcache.c (dcache_init): Likewise.
	* dictionary.c (dict_create_hashed): Likewise.
	(dict_create_hashed_expandable): Likewise.
	(dict_create_linear): Likewise.
	(dict_create_linear_expandable): Likewise.
	* dtrace-probe.c (dtrace_process_dof_probe): Likewise.
	* dummy-frame.c (register_dummy_frame_dtor): Likewise.
	* dwarf2-frame-tailcall.c (cache_new_ref1): Likewise.
	* dwarf2-frame.c (dwarf2_build_frame_info): Likewise.
	(decode_frame_entry_1): Likewise.
	* dwarf2expr.c (new_dwarf_expr_context): Likewise.
	* dwarf2loc.c (dwarf2_compile_expr_to_ax): Likewise.
	* dwarf2read.c (dwarf2_has_info): Likewise.
	(create_signatured_type_table_from_index): Likewise.
	(dwarf2_read_index): Likewise.
	(dw2_get_file_names_reader): Likewise.
	(create_all_type_units): Likewise.
	(read_cutu_die_from_dwo): Likewise.
	(init_tu_and_read_dwo_dies): Likewise.
	(init_cutu_and_read_dies): Likewise.
	(create_all_comp_units): Likewise.
	(queue_comp_unit): Likewise.
	(inherit_abstract_dies): Likewise.
	(read_call_site_scope): Likewise.
	(dwarf2_add_field): Likewise.
	(dwarf2_add_typedef): Likewise.
	(dwarf2_add_member_fn): Likewise.
	(attr_to_dynamic_prop): Likewise.
	(abbrev_table_alloc_abbrev): Likewise.
	(abbrev_table_read_table): Likewise.
	(add_include_dir): Likewise.
	(add_file_name): Likewise.
	(dwarf_decode_line_header): Likewise.
	(dwarf2_const_value_attr): Likewise.
	(dwarf_alloc_block): Likewise.
	(parse_macro_definition): Likewise.
	(set_die_type): Likewise.
	(write_psymtabs_to_index): Likewise.
	(create_cus_from_index): Likewise.
	(dwarf2_create_include_psymtab): Likewise.
	(process_psymtab_comp_unit_reader): Likewise.
	(build_type_psymtab_dependencies): Likewise.
	(read_comp_units_from_section): Likewise.
	(compute_compunit_symtab_includes): Likewise.
	(create_dwo_unit_in_dwp_v1): Likewise.
	(create_dwo_unit_in_dwp_v2): Likewise.
	(read_func_scope): Likewise.
	(process_structure_scope): Likewise.
	(mark_common_block_symbol_computed): Likewise.
	(load_partial_dies): Likewise.
	(dwarf2_symbol_mark_computed): Likewise.
	* elfread.c (elf_symfile_segments): Likewise.
	(elf_read_minimal_symbols): Likewise.
	* environ.c (make_environ): Likewise.
	* eval.c (evaluate_subexp_standard): Likewise.
	* event-loop.c (create_file_handler): Likewise.
	(create_async_signal_handler): Likewise.
	(create_async_event_handler): Likewise.
	(create_timer): Likewise.
	* exec.c (build_section_table): Likewise.
	* fbsd-nat.c (fbsd_remember_child): Likewise.
	* fork-child.c (fork_inferior): Likewise.
	* frv-tdep.c (new_variant): Likewise.
	* gdbarch.sh (gdbarch_alloc): Likewise.
	(append_name): Likewise.
	* gdbtypes.c (rank_function): Likewise.
	(copy_type_recursive): Likewise.
	(add_dyn_prop): Likewise.
	* gnu-nat.c (make_proc): Likewise.
	(make_inf): Likewise.
	(gnu_write_inferior): Likewise.
	* gnu-v3-abi.c (build_gdb_vtable_type): Likewise.
	(build_std_type_info_type): Likewise.
	* guile/scm-param.c (compute_enum_list): Likewise.
	* guile/scm-utils.c (gdbscm_parse_function_args): Likewise.
	* guile/scm-value.c (gdbscm_value_call): Likewise.
	* h8300-tdep.c (h8300_gdbarch_init): Likewise.
	* hppa-tdep.c (hppa_init_objfile_priv_data): Likewise.
	(read_unwind_info): Likewise.
	* ia64-tdep.c (ia64_gdbarch_init): Likewise.
	* infcall.c (dummy_frame_context_saver_setup): Likewise.
	(call_function_by_hand_dummy): Likewise.
	* infcmd.c (step_once): Likewise.
	(finish_forward): Likewise.
	(attach_command): Likewise.
	(notice_new_inferior): Likewise.
	* inferior.c (add_inferior_silent): Likewise.
	* infrun.c (add_displaced_stepping_state): Likewise.
	(save_infcall_control_state): Likewise.
	(save_inferior_ptid): Likewise.
	(_initialize_infrun): Likewise.
	* jit.c (bfd_open_from_target_memory): Likewise.
	(jit_gdbarch_data_init): Likewise.
	* language.c (add_language): Likewise.
	* linespec.c (decode_line_2): Likewise.
	* linux-nat.c (add_to_pid_list): Likewise.
	(add_initial_lwp): Likewise.
	* linux-thread-db.c (add_thread_db_info): Likewise.
	(record_thread): Likewise.
	(info_auto_load_libthread_db): Likewise.
	* m32c-tdep.c (m32c_gdbarch_init): Likewise.
	* m68hc11-tdep.c (m68hc11_gdbarch_init): Likewise.
	* m68k-tdep.c (m68k_gdbarch_init): Likewise.
	* m88k-tdep.c (m88k_analyze_prologue): Likewise.
	* macrocmd.c (macro_define_command): Likewise.
	* macroexp.c (gather_arguments): Likewise.
	* macroscope.c (sal_macro_scope): Likewise.
	* macrotab.c (new_macro_table): Likewise.
	* mdebugread.c (push_parse_stack): Likewise.
	(parse_partial_symbols): Likewise.
	(parse_symbol): Likewise.
	(psymtab_to_symtab_1): Likewise.
	(new_block): Likewise.
	(new_psymtab): Likewise.
	(mdebug_build_psymtabs): Likewise.
	(add_pending): Likewise.
	(elfmdebug_build_psymtabs): Likewise.
	* mep-tdep.c (mep_gdbarch_init): Likewise.
	* mi/mi-main.c (mi_execute_command): Likewise.
	* mi/mi-parse.c (mi_parse_argv): Likewise.
	* minidebug.c (lzma_open): Likewise.
	* minsyms.c (terminate_minimal_symbol_table): Likewise.
	* mips-linux-nat.c (mips_linux_insert_watchpoint): Likewise.
	* mips-tdep.c (mips_gdbarch_init): Likewise.
	* mn10300-tdep.c (mn10300_gdbarch_init): Likewise.
	* msp430-tdep.c (msp430_gdbarch_init): Likewise.
	* mt-tdep.c (mt_registers_info): Likewise.
	* nat/aarch64-linux.c (aarch64_linux_new_thread): Likewise.
	* nat/linux-btrace.c (linux_enable_bts): Likewise.
	(linux_enable_pt): Likewise.
	* nat/linux-osdata.c (linux_xfer_osdata_processes): Likewise.
	(linux_xfer_osdata_processgroups): Likewise.
	* nios2-tdep.c (nios2_gdbarch_init): Likewise.
	* nto-procfs.c (procfs_meminfo): Likewise.
	* objc-lang.c (start_msglist): Likewise.
	(selectors_info): Likewise.
	(classes_info): Likewise.
	(find_methods): Likewise.
	* objfiles.c (allocate_objfile): Likewise.
	(update_section_map): Likewise.
	* osabi.c (gdbarch_register_osabi): Likewise.
	(gdbarch_register_osabi_sniffer): Likewise.
	* parse.c (start_arglist): Likewise.
	* ppc-linux-nat.c (hwdebug_find_thread_points_by_tid): Likewise.
	(hwdebug_insert_point): Likewise.
	* printcmd.c (display_command): Likewise.
	(ui_printf): Likewise.
	* procfs.c (create_procinfo): Likewise.
	(load_syscalls): Likewise.
	(proc_get_LDT_entry): Likewise.
	(proc_update_threads): Likewise.
	* prologue-value.c (make_pv_area): Likewise.
	(pv_area_store): Likewise.
	* psymtab.c (extend_psymbol_list): Likewise.
	(init_psymbol_list): Likewise.
	(allocate_psymtab): Likewise.
	* python/py-inferior.c (add_thread_object): Likewise.
	* python/py-param.c (compute_enum_values): Likewise.
	* python/py-value.c (valpy_call): Likewise.
	* python/py-varobj.c (py_varobj_iter_next): Likewise.
	* python/python.c (ensure_python_env): Likewise.
	* record-btrace.c (record_btrace_start_replaying): Likewise.
	* record-full.c (record_full_reg_alloc): Likewise.
	(record_full_mem_alloc): Likewise.
	(record_full_end_alloc): Likewise.
	(record_full_core_xfer_partial): Likewise.
	* regcache.c (get_thread_arch_aspace_regcache): Likewise.
	* remote-fileio.c (remote_fileio_init_fd_map): Likewise.
	* remote-notif.c (remote_notif_state_allocate): Likewise.
	* remote.c (demand_private_info): Likewise.
	(remote_notif_stop_alloc_reply): Likewise.
	(remote_enable_btrace): Likewise.
	* reverse.c (save_bookmark_command): Likewise.
	* rl78-tdep.c (rl78_gdbarch_init): Likewise.
	* rx-tdep.c (rx_gdbarch_init): Likewise.
	* s390-linux-nat.c (s390_insert_watchpoint): Likewise.
	* ser-go32.c (dos_get_tty_state): Likewise.
	(dos_copy_tty_state): Likewise.
	* ser-mingw.c (ser_windows_open): Likewise.
	(ser_console_wait_handle): Likewise.
	(ser_console_get_tty_state): Likewise.
	(make_pipe_state): Likewise.
	(net_windows_open): Likewise.
	* ser-unix.c (hardwire_get_tty_state): Likewise.
	(hardwire_copy_tty_state): Likewise.
	* solib-aix.c (solib_aix_new_lm_info): Likewise.
	* solib-dsbt.c (dsbt_current_sos): Likewise.
	(dsbt_relocate_main_executable): Likewise.
	* solib-frv.c (frv_current_sos): Likewise.
	(frv_relocate_main_executable): Likewise.
	* solib-spu.c (spu_bfd_fopen): Likewise.
	* solib-svr4.c (lm_info_read): Likewise.
	(svr4_copy_library_list): Likewise.
	(svr4_default_sos): Likewise.
	* source.c (find_source_lines): Likewise.
	(line_info): Likewise.
	(add_substitute_path_rule): Likewise.
	* spu-linux-nat.c (spu_bfd_open): Likewise.
	* spu-tdep.c (info_spu_dma_cmdlist): Likewise.
	* stabsread.c (dbx_lookup_type): Likewise.
	(read_type): Likewise.
	(read_member_functions): Likewise.
	(read_struct_fields): Likewise.
	(read_baseclasses): Likewise.
	(read_args): Likewise.
	(_initialize_stabsread): Likewise.
	* stack.c (func_command): Likewise.
	* stap-probe.c (handle_stap_probe): Likewise.
	* symfile.c (addrs_section_sort): Likewise.
	(addr_info_make_relative): Likewise.
	(load_section_callback): Likewise.
	(add_symbol_file_command): Likewise.
	(init_filename_language_table): Likewise.
	* symtab.c (create_filename_seen_cache): Likewise.
	(sort_search_symbols_remove_dups): Likewise.
	(search_symbols): Likewise.
	* target.c (make_cleanup_restore_target_terminal): Likewise.
	* thread.c (new_thread): Likewise.
	(enable_thread_stack_temporaries): Likewise.
	(make_cleanup_restore_current_thread): Likewise.
	(thread_apply_all_command): Likewise.
	* tic6x-tdep.c (tic6x_gdbarch_init): Likewise.
	* top.c (gdb_readline_wrapper): Likewise.
	* tracefile-tfile.c (tfile_trace_file_writer_new): Likewise.
	* tracepoint.c (trace_find_line_command): Likewise.
	(all_tracepoint_actions_and_cleanup): Likewise.
	(make_cleanup_restore_current_traceframe): Likewise.
	(get_uploaded_tp): Likewise.
	(get_uploaded_tsv): Likewise.
	* tui/tui-data.c (tui_alloc_generic_win_info): Likewise.
	(tui_alloc_win_info): Likewise.
	(tui_alloc_content): Likewise.
	(tui_add_content_elements): Likewise.
	* tui/tui-disasm.c (tui_find_disassembly_address): Likewise.
	(tui_set_disassem_content): Likewise.
	* ui-file.c (ui_file_new): Likewise.
	(stdio_file_new): Likewise.
	(tee_file_new): Likewise.
	* utils.c (make_cleanup_restore_integer): Likewise.
	(add_internal_problem_command): Likewise.
	* v850-tdep.c (v850_gdbarch_init): Likewise.
	* valops.c (find_oload_champ): Likewise.
	* value.c (allocate_value_lazy): Likewise.
	(record_latest_value): Likewise.
	(create_internalvar): Likewise.
	* varobj.c (install_variable): Likewise.
	(new_variable): Likewise.
	(new_root_variable): Likewise.
	(cppush): Likewise.
	(_initialize_varobj): Likewise.
	* windows-nat.c (windows_make_so): Likewise.
	* x86-nat.c (x86_add_process): Likewise.
	* xcoffread.c (arrange_linetable): Likewise.
	(allocate_include_entry): Likewise.
	(process_linenos): Likewise.
	(SYMBOL_DUP): Likewise.
	(xcoff_start_psymtab): Likewise.
	(xcoff_end_psymtab): Likewise.
	* xml-support.c (gdb_xml_parse_attr_ulongest): Likewise.
	* xtensa-tdep.c (xtensa_register_type): Likewise.
	* gdbarch.c: Regenerate.
	* gdbarch.h: Regenerate.

gdb/gdbserver/ChangeLog:

	* ax.c (gdb_parse_agent_expr): Likewise.
	(compile_bytecodes): Likewise.
	* dll.c (loaded_dll): Likewise.
	* event-loop.c (append_callback_event): Likewise.
	(create_file_handler): Likewise.
	(create_file_event): Likewise.
	* hostio.c (handle_open): Likewise.
	* inferiors.c (add_thread): Likewise.
	(add_process): Likewise.
	* linux-aarch64-low.c (aarch64_linux_new_process): Likewise.
	* linux-arm-low.c (arm_new_process): Likewise.
	(arm_new_thread): Likewise.
	* linux-low.c (add_to_pid_list): Likewise.
	(linux_add_process): Likewise.
	(handle_extended_wait): Likewise.
	(add_lwp): Likewise.
	(enqueue_one_deferred_signal): Likewise.
	(enqueue_pending_signal): Likewise.
	(linux_resume_one_lwp_throw): Likewise.
	(linux_resume_one_thread): Likewise.
	(linux_read_memory): Likewise.
	(linux_write_memory): Likewise.
	* linux-mips-low.c (mips_linux_new_process): Likewise.
	(mips_linux_new_thread): Likewise.
	(mips_add_watchpoint): Likewise.
	* linux-x86-low.c (initialize_low_arch): Likewise.
	* lynx-low.c (lynx_add_process): Likewise.
	* mem-break.c (set_raw_breakpoint_at): Likewise.
	(set_breakpoint): Likewise.
	(add_condition_to_breakpoint): Likewise.
	(add_commands_to_breakpoint): Likewise.
	(clone_agent_expr): Likewise.
	(clone_one_breakpoint): Likewise.
	* regcache.c (new_register_cache): Likewise.
	* remote-utils.c (look_up_one_symbol): Likewise.
	* server.c (queue_stop_reply): Likewise.
	(start_inferior): Likewise.
	(queue_stop_reply_callback): Likewise.
	(handle_target_event): Likewise.
	* spu-low.c (fetch_ppc_memory): Likewise.
	(store_ppc_memory): Likewise.
	* target.c (set_target_ops): Likewise.
	* thread-db.c (thread_db_load_search): Likewise.
	(try_thread_db_load_1): Likewise.
	* tracepoint.c (add_tracepoint): Likewise.
	(add_tracepoint_action): Likewise.
	(create_trace_state_variable): Likewise.
	(cmd_qtdpsrc): Likewise.
	(cmd_qtro): Likewise.
	(add_while_stepping_state): Likewise.
	* win32-low.c (child_add_thread): Likewise.
	(get_image_name): Likewise.
 2015-08-26 17:18:12 -04:00
Pedro Alves
f0db101d98 gdbserver: don't pick a random thread if the current thread dies 
In all-stop mode, if the current thread disappears while stopping all
threads, gdbserver calls set_desired_thread(0) ['0' means "I want the
continue thread"] which just picks the first thread in the list.

This looks like a dangerous thing to do.  GDBserver continues
processing whatever it was doing, but to the wrong thread.  If
debugging more than one process, we may even pick the wrong process.
Instead, GDBserver should detect the situation and bail out of
whatever is was doing.

The backends used to pay attention to the set 'cont_thread' (the Hc
thread, used in the old way to resume threads, before vCont), but all
such 'cont_thread' checks have been eliminated meanwhile.  The
remaining implicit dependencies that I found on there being a selected
thread in the backends are in the Ctrl-C handling, which some backends
use as thread to send a signal to.  Even that seems to me to be better
handled by always using the first thread in the list or by using the
signal_pid PID.

In order to make this a systematic approach, I'm making
set_desired_thread never fallback to a random thread, and instead end
up with current_thread == NULL, like already done in non-stop mode.
Then I updated all callers to handle the situation.

I stumbled on this while fixing other bugs exposed by
gdb.threads/fork-plus-threads.exp test.  The problems I saw were fixed
in a different way, but in any case, I think the potential for
problems is more or less obvious, and the resulting code looks a bit
less magical to me.

Tested on x86-64 Fedora 20, w/ native-extended-gdbserver board.

gdb/gdbserver/ChangeLog:
2015-08-21  Pedro Alves  <palves@redhat.com>

	* linux-low.c (wait_for_sigstop): Always switch to no thread
	selected if the previously current thread dies.
	* lynx-low.c (lynx_request_interrupt): Use the first thread's
	process instead of the current thread's.
	* remote-utils.c (input_interrupt): Don't check if there's no
	current thread.
	* server.c (gdb_read_memory, gdb_write_memory): If setting the
	current thread to the general thread fails, error out.
	(handle_qxfer_auxv, handle_qxfer_libraries)
	(handle_qxfer_libraries_svr4, handle_qxfer_siginfo)
	(handle_qxfer_spu, handle_qxfer_statictrace, handle_qxfer_fdpic)
	(handle_query): Check if there's a thread selected instead of
	checking whether there's any thread in the thread list.
	(handle_qxfer_threads, handle_qxfer_btrace)
	(handle_qxfer_btrace_conf): Don't error out early if there's no
	thread in the thread list.
	(handle_v_cont, myresume): Don't set the current thread to the
	continue thread.
	(process_serial_event) <Hg handling>: Also set thread_id if the
	previous general thread is still alive.
	(process_serial_event) <g/G handling>: If setting the current
	thread to the general thread fails, error out.
	* spu-low.c (spu_resume, spu_request_interrupt): Use the first
	thread's lwp instead of the current thread's.
	* target.c (set_desired_thread): If the desired thread was not
	found, leave the current thread pointing to NULL.  Return an int
	(boolean) indicating success.
	* target.h (set_desired_thread): Change return type to int.
 2015-08-21 19:20:31 +01:00
Jan Kratochvil
db1ff28b60 Revert the previous 7 commits of: Validate binary before use 
ddc98fbf2f Create empty nat/linux-maps.[ch] and common/target-utils.[ch]
6e5b4429db Move gdb_regex* to common/
f7af1fcd75 Prepare linux_find_memory_regions_full & co. for move
9904185cfd Move linux_find_memory_regions_full & co.
700ca40f6f gdbserver build-id attribute generator
ca5268b6be Validate symbol file using build-id
0a94970d66 Tests for validate symbol file using build-id

gdb/ChangeLog
2015-07-15  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Revert the previous 6 commits:
	Create empty nat/linux-maps.[ch] and common/target-utils.[ch].
	Move gdb_regex* to common/
	Prepare linux_find_memory_regions_full & co. for move
	Move linux_find_memory_regions_full & co.
	gdbserver build-id attribute generator
	Validate symbol file using build-id

gdb/gdbserver/ChangeLog
2015-07-15  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Revert the previous 3 commits:
	Move gdb_regex* to common/
	Move linux_find_memory_regions_full & co.
	gdbserver build-id attribute generator

gdb/doc/ChangeLog
2015-07-15  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Revert the previous 2 commits:
	gdbserver build-id attribute generator
	Validate symbol file using build-id

gdb/testsuite/ChangeLog
2015-07-15  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Revert the previous commit:
	Tests for validate symbol file using build-id.
 2015-07-15 20:27:32 +02:00
Jan Kratochvil
9904185cfd Move linux_find_memory_regions_full & co. 
This should be just a move with no changes.

gdb/ChangeLog
2015-07-15  Aleksandar Ristovski  <aristovski@qnx.com
	    Jan Kratochvil  <jan.kratochvil@redhat.com>

	Move linux_find_memory_regions_full & co.
	* linux-tdep.c (nat/linux-maps.h): Include.
	(gdb_regex.h): Remove the include.
	(enum filterflags, struct smaps_vmflags, read_mapping, decode_vmflags)
	(mapping_is_anonymous_p, dump_mapping_p): Moved to nat/linux-maps.c.
	(linux_find_memory_region_ftype): Moved typedef to nat/linux-maps.h.
	(linux_find_memory_regions_full): Moved definition to nat/linux-maps.c.
	* nat/linux-maps.c: Include ctype.h, target/target-utils.h, gdb_regex.h
	and target/target.h.
	(struct smaps_vmflags, read_mapping, decode_vmflags)
	(mapping_is_anonymous_p, dump_mapping_p): Move from linux-tdep.c.
	(linux_find_memory_regions_full): Move from linux-tdep.c.
	* nat/linux-maps.h (read_mapping): New declaration.
	(linux_find_memory_region_ftype, enum filterflags): Moved from
	linux-tdep.c.
	(linux_find_memory_regions_full): New declaration.
	* target.c (target/target-utils.h): Include.
	(read_alloc_pread_ftype): Moved typedef to target/target-utils.h.
	(read_alloc, read_stralloc_func_ftype, read_stralloc): Moved
	definitions to target/target-utils.c.
	* target.h (target_fileio_read_stralloc): Move it to target/target.h.
	* target/target-utils.c (read_alloc, read_stralloc): Move definitions
	from target.c.
	* target/target-utils.h (read_alloc_pread_ftype): New typedef.
	(read_alloc): New declaration.
	(read_stralloc_func_ftype): New typedef.
	(read_stralloc): New declaration.
	* target/target.h (target_fileio_read_stralloc): Move it from target.h.

gdb/gdbserver/ChangeLog
2015-07-15  Aleksandar Ristovski  <aristovski@qnx.com
	    Jan Kratochvil  <jan.kratochvil@redhat.com>

	* target.c: Include target/target-utils.h and fcntl.h.
	(target_fileio_read_stralloc_1_pread, target_fileio_read_stralloc_1)
	(target_fileio_read_stralloc): New functions.
 2015-07-15 17:40:38 +02:00
Joel Brobecker
32d0add0a6 Update year range in copyright notice of all files owned by the GDB project. 
gdb/ChangeLog:

        Update year range in copyright notice of all files.
 2015-01-01 13:32:14 +04:00
Gary Benson
03f4463bfc Rename target_{stop,continue}_ptid 
This commit renames target_stop_ptid as target_stop_and_wait and
target_continue_ptid as target_continue_no_signal.  Comments are
updated to more fully describe the functions' behaviour.

gdb/ChangeLog:

	* target/target.h (target_stop_ptid): Renamed as...
	(target_stop_and_wait): New function.  Updated comment.
	All uses updated.
	(target_continue_ptid): Renamed as...
	(target_continue_no_signal): New function.  Updated comment.
	All uses updated.
 2014-09-22 11:33:59 +01:00
Gary Benson
0bfdf32fa1 Rename current_inferior as current_thread in gdbserver 
GDB has a function named "current_inferior" and gdbserver has a global
variable named "current_inferior", but the two are not equivalent;
indeed, gdbserver does not have any real equivalent of what GDB calls
an inferior.  What gdbserver's "current_inferior" is actually pointing
to is a structure describing the current thread.  This commit renames
current_inferior as current_thread in gdbserver to clarify this.  It
also renames the function "set_desired_inferior" to "set_desired_thread"
and renames various local variables from foo_inferior to foo_thread.

gdb/gdbserver/ChangeLog:

	* inferiors.h (current_inferior): Renamed as...
	(current_thread): New variable.  All uses updated.
	* linux-low.c (get_pc): Renamed saved_inferior as saved_thread.
	(maybe_move_out_of_jump_pad): Likewise.
	(cancel_breakpoint): Likewise.
	(linux_low_filter_event): Likewise.
	(wait_for_sigstop): Likewise.
	(linux_resume_one_lwp): Likewise.
	(need_step_over_p): Likewise.
	(start_step_over): Likewise.
	(linux_stabilize_threads): Renamed save_inferior as saved_thread.
	* linux-x86-low.c (x86_linux_update_xmltarget): Likewise.
	* proc-service.c (ps_lgetregs): Renamed reg_inferior as reg_thread
	and save_inferior as saved_thread.
	* regcache.c (get_thread_regcache): Renamed saved_inferior as
	saved_thread.
	(regcache_invalidate_thread): Likewise.
	* remote-utils.c (prepare_resume_reply): Likewise.
	* thread-db.c (thread_db_get_tls_address): Likewise.
	(disable_thread_event_reporting): Likewise.
	(remove_thread_event_breakpoints): Likewise.
	* tracepoint.c (gdb_agent_about_to_close): Renamed save_inferior
	as saved_thread.
	* target.h (set_desired_inferior): Renamed as...
	(set_desired_thread): New declaration.  All uses updated.
	* server.c (myresume): Updated comment to reference thread instead
	of inferior.
	(handle_serial_event): Likewise.
	(handle_target_event): Likewise.
 2014-09-16 15:57:13 +01:00
Gary Benson
f8c1d06b82 Introduce target_{stop,continue}_ptid 
This commit introduces two new functions to stop and restart target
processes that shared code can use and that clients must implement.
It also changes some shared code to use these functions.

gdb/ChangeLog:

	* target/target.h (target_stop_ptid, target_continue_ptid):
	Declare.
	* target.c (target_stop_ptid, target_continue_ptid): New
	functions.
	* common/agent.c [!GDBSERVER]: Don't include infrun.h.
	(agent_run_command): Always use target_stop_ptid and
	target_continue_ptid.

gdb/gdbserver/ChangeLog:

	* target.c (target_stop_ptid, target_continue_ptid): New
	functions.
 2014-09-11 11:19:56 +01:00
Gary Benson
721ec300e1 Introduce target/target.h 
This introduces target/target.h.  This file declares some functions
that the shared code can use and that clients must implement.  It also
changes some shared code to use these functions.

gdb/ChangeLog:

	* target/target.h: New file.
	* Makefile.in (HFILES_NO_SRCDIR): Add target/target.h.
	* target.h: Include target/target.h.
	(target_read_memory, target_write_memory): Don't declare.
	* target.c (target_read_uint32): New function.
	* common/agent.c: Include target/target.h.
	[!GDBSERVER]: Don't include target.h.
	(helper_thread_id): Type changed to uint32_t.
	(agent_get_helper_thread_id): Use target_read_uint32.
	(agent_run_command): Always use target_read_memory and
	target_write_memory.
	(agent_capability): Type changed to uint32_t.
	(agent_capability_check): Use target_read_uint32.

gdb/gdbserver/ChangeLog:

	* target.h: Include target/target.h.
	* target.c (target_read_memory, target_read_uint32)
	(target_write_memory): New functions.
 2014-09-11 11:19:56 +01:00
Doug Evans
649ebbcaef Replace code accessing list implementation details with API calls. 
* dll.c (clear_dlls): Replace accessing list implemention details
	with API function.
	* gdbthread.h (get_first_thread): Declare.
	* inferiors.c (for_each_inferior_with_data): New function.
	(get_first_thread): New function.
	(find_thread_ptid): Simplify.
	(get_first_inferior): New function.
	(clear_list): Delete.
	(one_inferior_p): New function.
	(clear_inferior_list): New function.
	(clear_inferiors): Update.
	* inferiors.h (for_each_inferior_with_data): Declare.
	(clear_inferior_list): Declare.
	(one_inferior_p): Declare.
	(get_first_inferior): Declare.
	* linux-low.c (linux_wait_for_event): Replace accessing list
	implemention details with API function.
	* server.c (target_running): Ditto.
	(accumulate_file_name_length): New function.
	(emit_dll_description): New function.
	(handle_qxfer_libraries): Replace accessing list implemention
	details with API function.
	(handle_qxfer_threads_worker): New function.
	(handle_qxfer_threads_proper): Replace accessing list implemention
	details with API function.
	(handle_query): Ditto.
	(visit_actioned_threads_callback_ftype): New typedef.
	(visit_actioned_threads_data): New struct.
	(visit_actioned_threads): Rewrite to be find_inferior callback.
	(resume): Call find_inferior.
	(handle_status): Replace accessing list implemention
	details with API function.
	(process_serial_event): Replace accessing list implemention details
	with API function.
	* target.c (set_desired_inferior): Replace accessing list implemention
	details with API function.
	* tracepoint.c (same_process_p): New function.
	(gdb_agent_about_to_close): Replace accessing list implemention
	details with API function.
	* win32-low.c (child_delete_thread): Replace accessing list
	implemention details with API function.
	(match_dll_by_basename): New function.
	(dll_is_loaded_by_basename): New function.
	(win32_ensure_ntdll_loaded): Replace accessing list implemention
	details call to dll_is_loaded_by_basename.
 2014-02-19 15:30:38 -08:00
Joel Brobecker
ecd75fc8ee Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
Pedro Alves
4210d83ee6 Do the target-waiting within do_initial_child_stuff on Windows. 
This is a preparatory patch that achieves two goals:

  . Makes the initial event handling more similar to GDB's;
  . Opens the door for implementing post-inititial-handling
    operations.

At the moment, this is only done on Windows, where the
post-initial-handling is going to be needed (in the context of
Windows 2012). And because we're close to creating the gdb 7.7
branch, making that change for all platforms is a little more
risk that we'd like. So the change is currently implemented
on Windows.

gdb/gdbserver/ChangeLog:

        * target.c (mywait): Set OURSTATUS->KIND to TARGET_WAITKIND_STOPPED
        if equal to TARGET_WAITKIND_LOADED.
        * win32-low.c (cached_status): New static global.
        (win32_wait): Add declaration.
        (do_initial_child_stuff): Flush all initial pending debug events
        up to the initial breakpoint.
        (win32_wait): If CACHED_STATUS was set, return that instead
        of doing a real wait.  Remove the code resuming the execution
        of the inferior after receiving a TARGET_WAITKIND_LOADED event
        during the initial phase.  Also remove the code changing
        OURSTATUS->KIND from TARGET_WAITKIND_LOADED to
        TARGET_WAITKIND_STOPPED.
 2013-12-13 16:42:08 +01:00
Pedro Alves
1a3d890bcc [GDBserver]: Silence exits if GDB is connected through stdio. 
If we make gdbserver gdb_continue_to_end actually expect a process
exit with GDBserver, we get many testsuite failures with the remote
stdio board:

-PASS: gdb.arch/amd64-disp-step.exp: continue until exit at amd64-disp-step
+FAIL: gdb.arch/amd64-disp-step.exp: continue until exit at amd64-disp-step (the program exited)
-PASS: gdb.base/break.exp: continue until exit at recursive next test
+FAIL: gdb.base/break.exp: continue until exit at recursive next test (the program exited)
-PASS: gdb.base/chng-syms.exp: continue until exit at breakpoint first time through
+FAIL: gdb.base/chng-syms.exp: continue until exit at breakpoint first time through (the program exited)
... etc. ...

This is what the log shows for all of them:

 (gdb) continue
 Continuing.

 Child exited with status 0
 GDBserver exiting
 [Inferior 1 (process 22721) exited normally]
 (gdb) FAIL: gdb.arch/amd64-disp-step.exp: continue until exit (the program exited)

The problem is the whole "Child exited ... GDBserver exiting" output,
that comes out of GDBserver, and that the testsuite is not expecting.

I pondered somehow making the testsuite adjust to this.  But,
testsuite aside, I think GDBserver should not be outputting this at
all when GDB is connected through stdio.  GDBserver will be printing
this in GDB's console, but the user can already tell from the regular
output that the inferior is gone.

Again, manually:

 (gdb) tar remote | ./gdbserver/gdbserver - program
 Remote debugging using | ./gdbserver/gdbserver - program
 Process program created; pid = 22486
 stdin/stdout redirected
 Remote debugging using stdio
 done.
 Loaded symbols for /lib64/ld-linux-x86-64.so.2
 0x000000323d001530 in _start () from /lib64/ld-linux-x86-64.so.2
 (gdb) c
 Continuing.
 Child exited with status 1
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 GDBserver exiting
 ^^^^^^^^^^^^^^^^^
 [Inferior 1 (process 22486) exited with code 01]
 (gdb)

Suppressing those two lines makes the output be exactly like when
debugging against a remote tcp gdbserver:

 (gdb) c
 Continuing.
 [Inferior 1 (process 22914) exited with code 01]
 (gdb)

2013-10-02  Pedro Alves  <palves@redhat.com>

	* server.c (process_serial_event): Don't output "GDBserver
	exiting" if GDB is connected through stdio.
	* target.c (mywait): Likewise, be silent if GDB is connected
	through stdio.
 2013-10-02 11:42:35 +00:00
Pedro Alves
c144c7a0b7 [gdbserver] Split a new tracepoint.h file out of server.h. 
gdb/gdbserver/
2013-09-05  Pedro Alves  <palves@redhat.com>

	* ax.c, linux-low.c, linux-x86-low.c, server.c: Include
	tracepoint.h.
	* server.h (IPA_BUFSIZ, initialize_tracepoint, tracing)
	(disconnected_tracing, tracepoint_look_up_symbols, stop_tracing
	(handle_tracepoint_general_set, handle_tracepoint_query)
	(tracepoint_finished_step, tracepoint_was_hit)
	(release_while_stepping_state_list, current_traceframe)
	(in_readonly_region, traceframe_read_mem)
	(fetch_traceframe_registers, traceframe_read_sdata)
	(traceframe_read_info, struct fast_tpoint_collect_status)
	(fast_tracepoint_collecting, force_unlock_trace_buffer)
	(handle_tracepoit_bkpts, initialize_low_tracepoint)
	(supply_fast_tracepoint_registers)
	(supply_static_tracepoint_registers, set_trampoline_buffer_space)
	(ipa_tdesc, claim_trampoline_space)
	(have_fast_tracepoint_trampoline_buffer, gdb_agent_about_to_close)
	(agent_mem_read, agent_get_trace_state_variable_value)
	(agent_set_trace_state_variable_value, agent_tsv_read)
	(agent_mem_read_string, get_raw_reg_func_addr)
	(get_get_tsv_func_addr, get_set_tsv_func_addr): Move to ...
	* tracepoint.h: ... this new file.
 2013-09-05 20:40:33 +00:00
Luis Machado
3360c0bf75 gdb/ 
* Makefile.in (SFILES): Add common/target-common.c.
	Add common/target-common.h to headers.
	(COMMON_OBS): Add target-common.o.
	(target-common.o): New target.
	* linux-nat.h (resume_kind): Move to common/target-common.h.
	* target.c (target_waitstatus_to_string): Move to
	common/target-common.c.
	* target.h: Include target-common.h.
	(target_waitkind): Move to common/target-common.h.
	(target_waitstatus): Likewise.
	(TARGET_WNOHANG): Likewise.
	* common/target-common.c: New file.
	* common/target-common.h: New file.

	gdb/gdbserver/
	* Makefile.in (SFILES): /common/target-common.c.
	(OBS): Add target-common.o.
	(server_h): Add $(srcdir)/../common/target-common.h.
	(target-common.o): New target.
	* server.c (queue_stop_reply_callback): Free
	status string after use.
	* target.c (target_waitstatus_to_string): Remove.
	* target.h: Include target-common.h.
	(resume_kind): Likewise.
	(target_waitkind): Likewise.
	(target_waitstatus): Likewise.
	(TARGET_WNOHANG): Likewise.
 2013-07-24 16:20:12 +00:00
Joel Brobecker
28e7fd6234 Update years in copyright notice for the GDB files. 
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.
 2013-01-01 06:33:28 +00:00
Yao Qi
7255706c3e gdb/gdbserver/ 
PR remote/14161.

	* server.h: Declare gdb_agent_about_to_close.
	* target.c (kill_inferior): Include "agent.h".
	New.  Send command 'kill'.
	* target.h (kill_inferior): Removed macro.
	* tracepoint.c (gdb_agent_about_to_close): New.
	(gdb_agent_helper_thread): Handle command 'close'.
	Wait endlessly until the inferior stops.
	Install gdb_agent_remove_socket to atexit hook.
	(agent_socket_name): New static variable.
	(gdb_agent_socket_init): Replace local variable 'name' with
	'agent_socket_name'.
	(gdb_agent_remove_socket): New.

gdb/doc/
	* gdb.texinfo (IPA Protocol Commands): Document new command
	'close'.

gdb/testsuite/
	KFAIL for PR remote/14161.
	* gdb.trace/strace.exp (strace_remove_socket): kfail for native.
	Cleanup socket files.
	(strace_info_marker): Detach inferior.
 2012-07-27 08:09:14 +00:00
Pedro Alves
2ea286498f gdb/ 
2012-05-24  Pedro Alves  <palves@redhat.com>

	PR gdb/7205

	Replace target_signal with gdb_signal throughout.

gdb/gdbserver/
2012-05-24  Pedro Alves  <palves@redhat.com>

	PR gdb/7205

	Replace target_signal with gdb_signal throughout.

include/gdb/
2012-05-24  Pedro Alves  <palves@redhat.com>

	PR gdb/7205

	Replace target_signal with gdb_signal throughout.

sim/common/
2012-05-24  Pedro Alves  <palves@redhat.com>

	PR gdb/7205

	Replace target_signal with gdb_signal throughout.
 2012-05-24 16:39:15 +00:00
Joel Brobecker
0b30217134 Copyright year update in most files of the GDB Project. 
gdb/ChangeLog:

        Copyright year update in most files of the GDB Project.
 2012-01-04 08:17:56 +00:00
Pedro Alves
b9fd179153 2011-10-31 Pedro Alves <pedro@codesourcery.com> 
gdb/gdbserver/
	* mem-break.c (check_mem_write): Add `myaddr' parameter.  Don't
	clobber the breakpoints' shadows with fast tracepoint jumps.
	* mem-break.h (check_mem_write): Add `myaddr' parameter.
	* target.c (write_inferior_memory): Also pass MYADDR down to
	check_mem_write.

	gdb/testsuite/
        * gdb.trace/trace-break.c: New.
        * gdb.trace/trace-break.exp: New.
 2011-10-31 12:55:26 +00:00
Jie Zhang
943ca1dd02 * server.c (step_thread): Remove definition. 
(process_serial_event): Don't handle Hs.
	* server.h (step_thread): Remove declaration.
	* target.c (set_desired_inferior): Remove use of step_thread.
 2011-09-01 03:14:10 +00:00
Joel Brobecker
7b6bb8daac run copyright.sh for 2011. 2011-01-01 15:34:07 +00:00
Jan Kratochvil
423ec54cd3 gdb/ 
* corelow.c (core_open): Use target_signal_from_host if CORE_GDBARCH
	is NULL.
	* fork-child.c (startup_inferior) <resume_signal>: Use enum
	target_signal type.
	* linux-nat.c (linux_nat_resume): Use target_signal_to_host before
	calling strsignal.  Use enum target_signal type for saved_signo.
	(linux_handle_extended_wait) <signo>: Use enum target_signal type.
	(linux_nat_wait_1): Use enum target_signal type for signo.  Use
	target_signal_to_host before calling strsignal.
	* remote-m32r-sdi.c (m32r_wait, m32r_detach): Replace 0 by
	TARGET_SIGNAL_0.

gdb/gdbserver/
	* target.c (mywait) <TARGET_WAITKIND_EXITED>: Fix to use INTEGER.
 2010-09-06 13:59:03 +00:00
gdbadmin
6cebaf6e1a use xsnprintf instead of snprintf. 
snprintf is not available on LynxOS, so I changed the calls to snprintf
to calls to xsnprintf, which should be strictly equivalent.

gdb/gdbserver/ChangeLog:

        * utils.c (xsnprintf): Make non-static.
        * server.h: Add xsnprintf declaration.
        * linux-low.c, nto-low.c, target.c, thread-db.c, tracepoint.c:
        replace calls to snprintf by calls to xsnprintf throughout.
 2010-09-01 01:53:43 +00:00