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| author | Pedro Alves <pedro@codesourcery.com> | 2011-05-26 18:11:32 +0000 |
|---|---|---|
| committer | Pedro Alves <pedro@codesourcery.com> | 2011-05-26 18:11:32 +0000 |
| commit | 44b67f6b464ec456793182183b3b47175d7d602e (patch) | |
| tree | a83450c5481246d87d5b3c66b907111e1eb677ad /gdb/target.c | |
| parent | d28e5067bf1fde683dfe7b3d5c3e97d24bd426f3 (diff) | |
| download | gdb-44b67f6b464ec456793182183b3b47175d7d602e.tar.gz | |
2011-05-26 Pedro Alves <pedro@codesourcery.com>
gdb/
* record.c: Include event-loop.h, inf-loop.h.
(record_beneath_to_async): New global.
(tmp_to_async): New global.
(record_async_inferior_event_token): New global.
(record_open_1): Don't error out if async is enabled.
(record_open): Handle to_async. Create an async event source in
the event loop.
(record_close): Delete the async event source.
(record_resumed): New global.
(record_execution_dir): New global.
(record_resume, record_core_resume): Set them. Register the
target on the event loop.
(record_wait): Rename to ...
(record_wait_1): ... this. Add more debug output. Handle
TARGET_WNOHANG, and the target beneath returning
TARGET_WAITKIND_IGNORE.
(record_wait): Reimplement on top of record_wait_1.
(record_async_mask_value): New global.
(record_async, record_async_mask, record_can_async_p)
(record_is_async_p, record_execution_direction): New functions.
(init_record_ops, init_record_core_ops): Install new methods.
* infrun.c (fetch_inferior_event): Temporarily switch the global
execution direction to the direction the target was going.
(execution_direction): Change type to int.
* target.c (default_execution_direction): New function.
(update_current_target): Inherit and de_fault
to_execution_direction.
* target.h (struct target_ops) <to_execution_direction>: New
field.
(target_execution_direction): New macro.
* inferior.h (execution_direction): Change type to int.
Diffstat (limited to 'gdb/target.c')
| -rw-r--r-- | gdb/target.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gdb/target.c b/gdb/target.c index ed2da34744c..0b7e61e04c8 100644 --- a/gdb/target.c +++ b/gdb/target.c @@ -544,6 +544,18 @@ default_get_ada_task_ptid (long lwp, long tid) return ptid_build (ptid_get_pid (inferior_ptid), lwp, tid); } +static enum exec_direction_kind +default_execution_direction (void) +{ + if (!target_can_execute_reverse) + return EXEC_FORWARD; + else if (!target_can_async_p ()) + return EXEC_FORWARD; + else + gdb_assert_not_reached ("\ +to_execution_direction must be implemented for reverse async"); +} + /* Go through the target stack from top to bottom, copying over zero entries in current_target, then filling in still empty entries. In effect, we are doing class inheritance through the pushed target @@ -654,6 +666,7 @@ update_current_target (void) INHERIT (to_goto_bookmark, t); /* Do not inherit to_get_thread_local_address. */ INHERIT (to_can_execute_reverse, t); + INHERIT (to_execution_direction, t); INHERIT (to_thread_architecture, t); /* Do not inherit to_read_description. */ INHERIT (to_get_ada_task_ptid, t); @@ -897,6 +910,8 @@ update_current_target (void) de_fault (to_traceframe_info, (struct traceframe_info * (*) (void)) tcomplain); + de_fault (to_execution_direction, default_execution_direction); + #undef de_fault /* Finally, position the target-stack beneath the squashed |