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Remove the global stop_signal in favour of a per-thread

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stop_signal.

	* inferior.h (stop_signal): Delete.
	* gdbthread.h (save_infrun_state, load_infrun_state): Remove
	stop_signal argument.
	* thread.c (load_infrun_state, save_infrun_state): Remove
	stop_signal argument.  Don't reference it.

	* infcmd.c (stop_signal): Delete.
	(program_info): Adjust.
	* infrun.c (resume): Clear stop_signal.
	(proceed): Adjust.  Pass the last stop_signal to the thread we're
	resuming.
	(context_switch): Don't context-switch stop_signal.
	(handle_inferior_event, keep_going): Adjust.
	(save_inferior_status, restore_inferior_status): Adjust.

	* fbsd-nat.c: Include "gdbthread.h".
	(find_signalled_thread, find_stop_signal): New.
	(fbsd_make_corefile_notes): Use it.
	* fork-child.c (startup_inferior): Adjust.

	* linux-nat.c (get_pending_status): Adjust.
	(linux_nat_do_thread_registers): Adjust.
	(find_signalled_thread, find_stop_signal): New.
	(linux_nat_do_thread_registers): Add stop_signal parameter.
	(struct linux_nat_corefile_thread_data): Add stop_signal member.
	(linux_nat_corefile_thread_callback): Pass stop_signal.
	(linux_nat_do_registers): Delete.
	(linux_nat_make_corefile_notes): Use find_stop_signal.  Assume
	there's always a thread.

	* procfs.c (find_signalled_thread, find_stop_signal): New.
	(find_stop_signal): New.
	(procfs_do_thread_registers): Add stop_signal parameter.
	(struct procfs_corefile_thread_data): Add stop_signal member.
	(procfs_corefile_thread_callback): Pass args->stop_signal.
	(procfs_make_note_section): Find the last stop_signal.

	* solib-irix.c: Include gdbthread.h.
	(irix_solib_create_inferior_hook): Adjust.
	* solib-osf.c: Include gdbthread.h.
	(osf_solib_create_inferior_hook): Adjust.
	* solib-sunos.c: Include gdbthread.h.
	(sunos_solib_create_inferior_hook): Adjust.
	* solib-svr4.c: Include gdbthread.h.
	(svr4_solib_create_inferior_hook): Adjust.

	* win32-nat.c (do_initial_win32_stuff): Adjust.
This commit is contained in:
Pedro Alves
2008-09-08 21:51:18 +00:00
parent 32400bebb2
commit 2020b7abd8
16 changed files with 274 additions and 131 deletions
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7
gdb/gdbthread.h
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@@ -149,6 +149,7 @@ struct thread_info
int stop_step;
int step_multi;
/* Last signal that the inferior received (why it stopped). */
enum target_signal stop_signal;
/* Chain containing status of breakpoint(s) the thread stopped
@@ -224,8 +225,7 @@ extern void save_infrun_state (ptid_t ptid,
struct continuation *continuations,
struct continuation *intermediate_continuations,
int stop_step,
int step_multi,
enum target_signal stop_signal);
int step_multi);
/* infrun context switch: load the debugger state previously saved
for the given thread. */
@@ -233,8 +233,7 @@ extern void load_infrun_state (ptid_t ptid,
struct continuation **continuations,
struct continuation **intermediate_continuations,
int *stop_step,
int *step_multi,
enum target_signal *stop_signal);
int *step_multi);
/* Switch from one thread to another. */
extern void switch_to_thread (ptid_t ptid);