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author | Yao Qi <yao@codesourcery.com> | 2014-02-10 15:22:55 +0800 |
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committer | Yao Qi <yao@codesourcery.com> | 2014-02-23 11:44:26 +0800 |
commit | 12e03cd06ada8ca7e62fa52aa84946256c1bc654 (patch) | |
tree | ca9fbe72a206a1312185655f2e706914938cef7e /gdb/tracefile.c | |
parent | 11395323794268a9945dd31eb46905e975d87b3d (diff) | |
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Share some code between ctf and tfile target.
This patch move the duplicated code between tfile and ctf
targets into file tracefile.c. The common part of target_ops
fields are set in init_tracefile_ops.
gdb:
2014-02-23 Yao Qi <yao@codesourcery.com>
* ctf.c (ctf_has_stack, ctf_has_registers): Remove.
(ctf_thread_alive, ctf_get_trace_status): Remove.
(init_ctf_ops): Don't set some fields of ctf_ops. Call
init_tracefile_ops.
* tracefile-tfile.c (tfile_get_trace_status): Remove.
(tfile_has_stack, tfile_has_registers): Remove.
(tfile_thread_alive): Remove.
(init_tfile_ops): Don't set some fields of tfile_ops. Call
init_tracefile_ops.
* tracefile.c (tracefile_has_stack): New function.
(tracefile_has_registers): New function.
(tracefile_thread_alive): New function.
(tracefile_get_trace_status): New function.
(init_tracefile_ops): New function.
* tracefile.h (init_tracefile_ops): Declare.
Diffstat (limited to 'gdb/tracefile.c')
-rw-r--r-- | gdb/tracefile.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gdb/tracefile.c b/gdb/tracefile.c index 9945ae5..7972290 100644 --- a/gdb/tracefile.c +++ b/gdb/tracefile.c @@ -376,6 +376,60 @@ trace_save_ctf (const char *dirname, int target_does_save) do_cleanups (back_to); } +/* This is the implementation of target_ops method to_has_stack. + The target has a stack when GDB has already selected one trace + frame. */ + +static int +tracefile_has_stack (struct target_ops *ops) +{ + return get_traceframe_number () != -1; +} + +/* This is the implementation of target_ops method to_has_registers. + The target has registers when GDB has already selected one trace + frame. */ + +static int +tracefile_has_registers (struct target_ops *ops) +{ + return get_traceframe_number () != -1; +} + +/* This is the implementation of target_ops method to_thread_alive. + tracefile has one thread faked by GDB. */ + +static int +tracefile_thread_alive (struct target_ops *ops, ptid_t ptid) +{ + return 1; +} + +/* This is the implementation of target_ops method to_get_trace_status. + The trace status for a file is that tracing can never be run. */ + +static int +tracefile_get_trace_status (struct target_ops *self, struct trace_status *ts) +{ + /* Other bits of trace status were collected as part of opening the + trace files, so nothing to do here. */ + + return -1; +} + +/* Initialize OPS for tracefile related targets. */ + +void +init_tracefile_ops (struct target_ops *ops) +{ + ops->to_stratum = process_stratum; + ops->to_get_trace_status = tracefile_get_trace_status; + ops->to_has_stack = tracefile_has_stack; + ops->to_has_registers = tracefile_has_registers; + ops->to_thread_alive = tracefile_thread_alive; + ops->to_magic = OPS_MAGIC; +} + extern initialize_file_ftype _initialize_tracefile; void |