diff options
Diffstat (limited to 'gdb/target.h')
| -rw-r--r-- | gdb/target.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/gdb/target.h b/gdb/target.h index f1e414750ed..296781bb66c 100644 --- a/gdb/target.h +++ b/gdb/target.h @@ -128,7 +128,11 @@ enum target_waitkind inferior, rather than being stuck in the remote_async_wait() function. This way the event loop is responsive to other events, like for instance the user typing. */ - TARGET_WAITKIND_IGNORE + TARGET_WAITKIND_IGNORE, + + /* The target has run out of history information, + and cannot run backward any further. */ + TARGET_WAITKIND_NO_HISTORY }; struct target_waitstatus @@ -147,6 +151,14 @@ struct target_waitstatus value; }; +/* Reverse execution. */ +enum exec_direction_kind + { + EXEC_FORWARD, + EXEC_REVERSE, + EXEC_ERROR + }; + /* Possible types of events that the inferior handler will have to deal with. */ enum inferior_event_type @@ -516,6 +528,11 @@ struct target_ops const gdb_byte *pattern, ULONGEST pattern_len, CORE_ADDR *found_addrp); + /* Set execution direction (forward/reverse). */ + int (*to_set_execdir) (enum exec_direction_kind); + /* Get execution direction (forward/reverse). */ + enum exec_direction_kind (*to_get_execdir) (void); + int to_magic; /* Need sub-structure for target machine related rather than comm related? */ @@ -1111,6 +1128,18 @@ extern int target_stopped_data_address_p (struct target_ops *); #define target_watchpoint_addr_within_range(target, addr, start, length) \ (*target.to_watchpoint_addr_within_range) (target, addr, start, length) +/* Forward/reverse execution direction. + These will only be implemented by a target that supports reverse execution. +*/ +#define target_get_execution_direction() \ + (current_target.to_get_execdir ? \ + (*current_target.to_get_execdir) () : EXEC_ERROR) + +#define target_set_execution_direction(DIR) \ + (current_target.to_set_execdir ? \ + (*current_target.to_set_execdir) (DIR) : EXEC_ERROR) + + extern const struct target_desc *target_read_description (struct target_ops *); /* Utility implementation of searching memory. */ |