Create inferior for tfile target
When a trace file is loaded in Eclipse, it is expected to see thread and process (=thread-group-started and =thread-created). Create an inferior and add a thread for this purpose. This patch just reverts my previous patch. gdb/testsuite: 2014-02-05 Yao Qi <yao@codesourcery.com> Revert this patch: 2013-05-24 Yao Qi <yao@codesourcery.com> * gdb.trace/tfile.exp: Test inferior and thread. gdb: 2014-02-05 Yao Qi <yao@codesourcery.com> Revert this patch: 2013-05-24 Yao Qi <yao@codesourcery.com> * tracepoint.c (TFILE_PID): Remove. (tfile_open): Don't add thread and inferior. (tfile_close): Don't set 'inferior_ptid'. Don't call exit_inferior_silent. (tfile_thread_alive): Remove. (init_tfile_ops): Don't set field 'to_thread_alive' of tfile_ops.
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@ -1,3 +1,17 @@
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2014-02-05 Yao Qi <yao@codesourcery.com>
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Revert this patch:
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2013-05-24 Yao Qi <yao@codesourcery.com>
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* tracepoint.c (TFILE_PID): Remove.
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(tfile_open): Don't add thread and inferior.
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(tfile_close): Don't set 'inferior_ptid'. Don't call
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exit_inferior_silent.
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(tfile_thread_alive): Remove.
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(init_tfile_ops): Don't set field 'to_thread_alive' of
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tfile_ops.
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2014-02-04 Christian Eggers <ceggers@gmx.de> (tiny change)
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* remote.c (remote_start_remote): Call remote_check_symbols even
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@ -1,3 +1,11 @@
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2014-02-05 Yao Qi <yao@codesourcery.com>
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Revert this patch:
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2013-05-24 Yao Qi <yao@codesourcery.com>
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* gdb.trace/tfile.exp: Test inferior and thread.
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2014-02-04 Ulrich Weigand <uweigand@de.ibm.com>
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* gdb.base/sigbpt.exp: Do not use "*" when setting breakpoint
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@ -136,9 +136,6 @@ Trace buffer has 256 bytes of 4096 bytes free \\(93% full\\).*
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Not looking at any trace frame.*" \
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"tstatus on error trace file"
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gdb_test "info threads" "No threads\..*"
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gdb_test "info inferiors" "\\* 1 <null>\[ \t\]+${binfile}.*"
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# Make sure we can reopen without error.
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gdb_test \
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"interpreter-exec mi \"-target-select tfile $tfile_basic\"" \
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@ -79,6 +79,8 @@
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large. (400 - 31)/2 == 184 */
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#define MAX_AGENT_EXPR_LEN 184
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#define TFILE_PID (1)
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/* A hook used to notify the UI of tracepoint operations. */
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void (*deprecated_trace_find_hook) (char *arg, int from_tty);
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@ -4372,6 +4374,10 @@ tfile_open (char *filename, int from_tty)
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throw_exception (ex);
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}
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inferior_appeared (current_inferior (), TFILE_PID);
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inferior_ptid = pid_to_ptid (TFILE_PID);
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add_thread_silent (inferior_ptid);
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if (ts->traceframe_count <= 0)
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warning (_("No traceframes present in this file."));
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@ -4382,6 +4388,8 @@ tfile_open (char *filename, int from_tty)
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merge_uploaded_trace_state_variables (&uploaded_tsvs);
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merge_uploaded_tracepoints (&uploaded_tps);
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post_create_inferior (&tfile_ops, from_tty);
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}
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/* Interpret the given line from the definitions part of the trace
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@ -4754,6 +4762,10 @@ tfile_close (void)
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if (trace_fd < 0)
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return;
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pid = ptid_get_pid (inferior_ptid);
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inferior_ptid = null_ptid; /* Avoid confusion from thread stuff. */
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exit_inferior_silent (pid);
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close (trace_fd);
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trace_fd = -1;
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xfree (trace_filename);
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@ -5250,6 +5262,12 @@ tfile_has_registers (struct target_ops *ops)
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return traceframe_number != -1;
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}
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static int
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tfile_thread_alive (struct target_ops *ops, ptid_t ptid)
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{
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return 1;
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}
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/* Callback for traceframe_walk_blocks. Builds a traceframe_info
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object for the tfile target's current traceframe. */
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@ -5336,6 +5354,7 @@ init_tfile_ops (void)
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tfile_ops.to_has_stack = tfile_has_stack;
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tfile_ops.to_has_registers = tfile_has_registers;
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tfile_ops.to_traceframe_info = tfile_traceframe_info;
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tfile_ops.to_thread_alive = tfile_thread_alive;
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tfile_ops.to_magic = OPS_MAGIC;
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}
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