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Share some code between ctf and tfile target.

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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.
This commit is contained in:
Yao Qi
2014-02-10 15:22:55 +08:00
parent 1139532379
commit 12e03cd06a
5 changed files with 77 additions and 82 deletions
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54
gdb/tracefile.c
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@ -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