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[RFC 25/32] convert to_upload_trace_state_variables


2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_upload_trace_state_variables.
	* target.h (struct target_ops) <to_upload_trace_state_variables>:
	Use TARGET_DEFAULT_RETURN.

convert to_get_raw_trace_data

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_get_raw_trace_data.
	* target.h (struct target_ops) <to_get_raw_trace_data>: Use
	TARGET_DEFAULT_NORETURN.

convert to_get_min_fast_tracepoint_insn_len

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_get_min_fast_tracepoint_insn_len.
	(return_minus_one): Remove.
	* target.h (struct target_ops)
	<to_get_min_fast_tracepoint_insn_len>: Use TARGET_DEFAULT_RETURN.

convert to_set_disconnected_tracing

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_set_disconnected_tracing.
	* target.h (struct target_ops) <to_set_disconnected_tracing>: Use
	TARGET_DEFAULT_IGNORE.

convert to_set_circular_trace_buffer

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_set_circular_trace_buffer.
	* target.h (struct target_ops) <to_set_circular_trace_buffer>: Use
	TARGET_DEFAULT_IGNORE.

convert to_set_trace_buffer_size

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't initialize
	to_set_trace_buffer_size.
	* target.h (struct target_ops) <to_set_trace_buffer_size>: Use
	TARGET_DEFAULT_IGNORE.

convert to_set_trace_notes

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_set_trace_notes.
	* target.h (struct target_ops) <to_set_trace_notes>: Use
	TARGET_DEFAULT_RETURN.

convert to_get_tib_address

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_get_tib_address.
	* target.h (struct target_ops) <to_get_tib_address>: Use
	TARGET_DEFAULT_NORETURN.

convert to_set_permissions

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_set_permissions.
	* target.h (struct target_ops) <to_set_permissions>: Use
	TARGET_DEFAULT_IGNORE.

convert to_static_tracepoint_marker_at

2014-01-08  Tom Tromey <tromey@redhat.com>

	* target-delegates.c : Rebuild.
	* target.c (update_current_target): Don't inherit or default
	to_static_tracepoint_marker_at.
	* target.h (struct target_ops) <to_static_tracepoint_marker_at>:
	Use TARGET_DEFAULT_RETURN.
---
 gdb/ChangeLog          |  81 +++++++++++++++++++++++++
 gdb/target-delegates.c | 156 +++++++++++++++++++++++++++++++++++++++++++++++++
 gdb/target.c           |  60 ++++---------------
 gdb/target.h           |  30 ++++++----
 4 files changed, 267 insertions(+), 60 deletions(-)

diff --git a/gdb/target-delegates.c b/gdb/target-delegates.c
index ddcc89c..4d6c591 100644
--- a/gdb/target-delegates.c
+++ b/gdb/target-delegates.c
@@ -833,6 +833,132 @@ tdefault_upload_tracepoints (struct target_ops *self, struct uploaded_tp **arg1)
 }
 
 static int
+delegate_upload_trace_state_variables (struct target_ops *self, struct uploaded_tsv **arg1)
+{
+  self = self->beneath;
+  return self->to_upload_trace_state_variables (self, arg1);
+}
+
+static int
+tdefault_upload_trace_state_variables (struct target_ops *self, struct uploaded_tsv **arg1)
+{
+  return 0;
+}
+
+static LONGEST
+delegate_get_raw_trace_data (struct target_ops *self, gdb_byte *arg1, ULONGEST arg2, LONGEST arg3)
+{
+  self = self->beneath;
+  return self->to_get_raw_trace_data (self, arg1, arg2, arg3);
+}
+
+static LONGEST
+tdefault_get_raw_trace_data (struct target_ops *self, gdb_byte *arg1, ULONGEST arg2, LONGEST arg3)
+{
+  tcomplain ();
+}
+
+static int
+delegate_get_min_fast_tracepoint_insn_len (struct target_ops *self)
+{
+  self = self->beneath;
+  return self->to_get_min_fast_tracepoint_insn_len (self);
+}
+
+static int
+tdefault_get_min_fast_tracepoint_insn_len (struct target_ops *self)
+{
+  return -1;
+}
+
+static void
+delegate_set_disconnected_tracing (struct target_ops *self, int arg1)
+{
+  self = self->beneath;
+  self->to_set_disconnected_tracing (self, arg1);
+}
+
+static void
+tdefault_set_disconnected_tracing (struct target_ops *self, int arg1)
+{
+}
+
+static void
+delegate_set_circular_trace_buffer (struct target_ops *self, int arg1)
+{
+  self = self->beneath;
+  self->to_set_circular_trace_buffer (self, arg1);
+}
+
+static void
+tdefault_set_circular_trace_buffer (struct target_ops *self, int arg1)
+{
+}
+
+static void
+delegate_set_trace_buffer_size (struct target_ops *self, LONGEST arg1)
+{
+  self = self->beneath;
+  self->to_set_trace_buffer_size (self, arg1);
+}
+
+static void
+tdefault_set_trace_buffer_size (struct target_ops *self, LONGEST arg1)
+{
+}
+
+static int
+delegate_set_trace_notes (struct target_ops *self, const char *arg1, const char *arg2, const char *arg3)
+{
+  self = self->beneath;
+  return self->to_set_trace_notes (self, arg1, arg2, arg3);
+}
+
+static int
+tdefault_set_trace_notes (struct target_ops *self, const char *arg1, const char *arg2, const char *arg3)
+{
+  return 0;
+}
+
+static int
+delegate_get_tib_address (struct target_ops *self, ptid_t arg1, CORE_ADDR *arg2)
+{
+  self = self->beneath;
+  return self->to_get_tib_address (self, arg1, arg2);
+}
+
+static int
+tdefault_get_tib_address (struct target_ops *self, ptid_t arg1, CORE_ADDR *arg2)
+{
+  tcomplain ();
+}
+
+static void
+delegate_set_permissions (struct target_ops *self)
+{
+  self = self->beneath;
+  self->to_set_permissions (self);
+}
+
+static void
+tdefault_set_permissions (struct target_ops *self)
+{
+}
+
+static int
+delegate_static_tracepoint_marker_at (struct target_ops *self, CORE_ADDR arg1, struct static_tracepoint_marker *arg2)
+{
+  self = self->beneath;
+  return self->to_static_tracepoint_marker_at (self, arg1, arg2);
+}
+
+static int
+tdefault_static_tracepoint_marker_at (struct target_ops *self, CORE_ADDR arg1, struct static_tracepoint_marker *arg2)
+{
+  return 0;
+}
+
+static int
 delegate_supports_btrace (struct target_ops *self)
 {
   self = self->beneath;
@@ -990,6 +1116,26 @@ install_delegators (struct target_ops *ops)
     ops->to_save_trace_data = delegate_save_trace_data;
   if (ops->to_upload_tracepoints == NULL)
     ops->to_upload_tracepoints = delegate_upload_tracepoints;
+  if (ops->to_upload_trace_state_variables == NULL)
+    ops->to_upload_trace_state_variables = delegate_upload_trace_state_variables;
+  if (ops->to_get_raw_trace_data == NULL)
+    ops->to_get_raw_trace_data = delegate_get_raw_trace_data;
+  if (ops->to_get_min_fast_tracepoint_insn_len == NULL)
+    ops->to_get_min_fast_tracepoint_insn_len = delegate_get_min_fast_tracepoint_insn_len;
+  if (ops->to_set_disconnected_tracing == NULL)
+    ops->to_set_disconnected_tracing = delegate_set_disconnected_tracing;
+  if (ops->to_set_circular_trace_buffer == NULL)
+    ops->to_set_circular_trace_buffer = delegate_set_circular_trace_buffer;
+  if (ops->to_set_trace_buffer_size == NULL)
+    ops->to_set_trace_buffer_size = delegate_set_trace_buffer_size;
+  if (ops->to_set_trace_notes == NULL)
+    ops->to_set_trace_notes = delegate_set_trace_notes;
+  if (ops->to_get_tib_address == NULL)
+    ops->to_get_tib_address = delegate_get_tib_address;
+  if (ops->to_set_permissions == NULL)
+    ops->to_set_permissions = delegate_set_permissions;
+  if (ops->to_static_tracepoint_marker_at == NULL)
+    ops->to_static_tracepoint_marker_at = delegate_static_tracepoint_marker_at;
   if (ops->to_supports_btrace == NULL)
     ops->to_supports_btrace = delegate_supports_btrace;
 }
@@ -1068,5 +1214,15 @@ install_dummy_methods (struct target_ops *ops)
   ops->to_get_trace_state_variable_value = tdefault_get_trace_state_variable_value;
   ops->to_save_trace_data = tdefault_save_trace_data;
   ops->to_upload_tracepoints = tdefault_upload_tracepoints;
+  ops->to_upload_trace_state_variables = tdefault_upload_trace_state_variables;
+  ops->to_get_raw_trace_data = tdefault_get_raw_trace_data;
+  ops->to_get_min_fast_tracepoint_insn_len = tdefault_get_min_fast_tracepoint_insn_len;
+  ops->to_set_disconnected_tracing = tdefault_set_disconnected_tracing;
+  ops->to_set_circular_trace_buffer = tdefault_set_circular_trace_buffer;
+  ops->to_set_trace_buffer_size = tdefault_set_trace_buffer_size;
+  ops->to_set_trace_notes = tdefault_set_trace_notes;
+  ops->to_get_tib_address = tdefault_get_tib_address;
+  ops->to_set_permissions = tdefault_set_permissions;
+  ops->to_static_tracepoint_marker_at = tdefault_static_tracepoint_marker_at;
   ops->to_supports_btrace = tdefault_supports_btrace;
 }
diff --git a/gdb/target.c b/gdb/target.c
index 90e2709..c6d5367 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -66,8 +66,6 @@ static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *);
 
 static int return_zero (void);
 
-static int return_minus_one (void);
-
 void target_ignore (void);
 
 static void target_command (char *, int);
@@ -699,16 +697,16 @@ update_current_target (void)
       /* Do not inherit to_get_trace_state_variable_value.  */
       /* Do not inherit to_save_trace_data.  */
       /* Do not inherit to_upload_tracepoints.  */
-      INHERIT (to_upload_trace_state_variables, t);
-      INHERIT (to_get_raw_trace_data, t);
-      INHERIT (to_get_min_fast_tracepoint_insn_len, t);
-      INHERIT (to_set_disconnected_tracing, t);
-      INHERIT (to_set_circular_trace_buffer, t);
-      INHERIT (to_set_trace_buffer_size, t);
-      INHERIT (to_set_trace_notes, t);
-      INHERIT (to_get_tib_address, t);
-      INHERIT (to_set_permissions, t);
-      INHERIT (to_static_tracepoint_marker_at, t);
+      /* Do not inherit to_upload_trace_state_variables.  */
+      /* Do not inherit to_get_raw_trace_data.  */
+      /* Do not inherit to_get_min_fast_tracepoint_insn_len.  */
+      /* Do not inherit to_set_disconnected_tracing.  */
+      /* Do not inherit to_set_circular_trace_buffer.  */
+      /* Do not inherit to_set_trace_buffer_size.  */
+      /* Do not inherit to_set_trace_notes.  */
+      /* Do not inherit to_get_tib_address.  */
+      /* Do not inherit to_set_permissions.  */
+      /* Do not inherit to_static_tracepoint_marker_at.  */
       INHERIT (to_static_tracepoint_markers_by_strid, t);
       INHERIT (to_traceframe_info, t);
       INHERIT (to_use_agent, t);
@@ -748,38 +746,6 @@ update_current_target (void)
 	    (void (*) (struct target_ops *, ptid_t))
 	    target_ignore);
   current_target.to_read_description = NULL;
-  de_fault (to_upload_trace_state_variables,
-	    (int (*) (struct target_ops *, struct uploaded_tsv **))
-	    return_zero);
-  de_fault (to_get_raw_trace_data,
-	    (LONGEST (*) (struct target_ops *, gdb_byte *, ULONGEST, LONGEST))
-	    tcomplain);
-  de_fault (to_get_min_fast_tracepoint_insn_len,
-	    (int (*) (struct target_ops *))
-	    return_minus_one);
-  de_fault (to_set_disconnected_tracing,
-	    (void (*) (struct target_ops *, int))
-	    target_ignore);
-  de_fault (to_set_circular_trace_buffer,
-	    (void (*) (struct target_ops *, int))
-	    target_ignore);
-  de_fault (to_set_trace_buffer_size,
-	    (void (*) (struct target_ops *, LONGEST))
-	    target_ignore);
-  de_fault (to_set_trace_notes,
-	    (int (*) (struct target_ops *,
-		      const char *, const char *, const char *))
-	    return_zero);
-  de_fault (to_get_tib_address,
-	    (int (*) (struct target_ops *, ptid_t, CORE_ADDR *))
-	    tcomplain);
-  de_fault (to_set_permissions,
-	    (void (*) (struct target_ops *))
-	    target_ignore);
-  de_fault (to_static_tracepoint_marker_at,
-	    (int (*) (struct target_ops *,
-		      CORE_ADDR, struct static_tracepoint_marker *))
-	    return_zero);
   de_fault (to_static_tracepoint_markers_by_strid,
 	    (VEC(static_tracepoint_marker_p) * (*) (struct target_ops *,
 						    const char *))
@@ -3443,12 +3409,6 @@ return_zero (void)
   return 0;
 }
 
-static int
-return_minus_one (void)
-{
-  return -1;
-}
-
 /*
  * Find the next target down the stack from the specified target.
  */
diff --git a/gdb/target.h b/gdb/target.h
index dfaad80..9860cf4 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -859,29 +859,36 @@ struct target_ops
       TARGET_DEFAULT_RETURN (0);
 
     int (*to_upload_trace_state_variables) (struct target_ops *,
-					    struct uploaded_tsv **utsvp);
+					    struct uploaded_tsv **utsvp)
+      TARGET_DEFAULT_RETURN (0);
 
     LONGEST (*to_get_raw_trace_data) (struct target_ops *, gdb_byte *buf,
-				      ULONGEST offset, LONGEST len);
+				      ULONGEST offset, LONGEST len)
+      TARGET_DEFAULT_NORETURN (tcomplain ());
 
     /* Get the minimum length of instruction on which a fast tracepoint
        may be set on the target.  If this operation is unsupported,
        return -1.  If for some reason the minimum length cannot be
        determined, return 0.  */
-    int (*to_get_min_fast_tracepoint_insn_len) (struct target_ops *);
+    int (*to_get_min_fast_tracepoint_insn_len) (struct target_ops *)
+      TARGET_DEFAULT_RETURN (-1);
 
     /* Set the target's tracing behavior in response to unexpected
        disconnection - set VAL to 1 to keep tracing, 0 to stop.  */
-    void (*to_set_disconnected_tracing) (struct target_ops *, int val);
-    void (*to_set_circular_trace_buffer) (struct target_ops *, int val);
+    void (*to_set_disconnected_tracing) (struct target_ops *, int val)
+      TARGET_DEFAULT_IGNORE ();
+    void (*to_set_circular_trace_buffer) (struct target_ops *, int val)
+      TARGET_DEFAULT_IGNORE ();
     /* Set the size of trace buffer in the target.  */
-    void (*to_set_trace_buffer_size) (struct target_ops *, LONGEST val);
+    void (*to_set_trace_buffer_size) (struct target_ops *, LONGEST val)
+      TARGET_DEFAULT_IGNORE ();
 
     /* Add/change textual notes about the trace run, returning 1 if
        successful, 0 otherwise.  */
     int (*to_set_trace_notes) (struct target_ops *,
 			       const char *user, const char *notes,
-			       const char *stopnotes);
+			       const char *stopnotes)
+      TARGET_DEFAULT_RETURN (0);
 
     /* Return the processor core that thread PTID was last seen on.
        This information is updated only when:
@@ -902,15 +909,18 @@ struct target_ops
     /* Return the address of the start of the Thread Information Block
        a Windows OS specific feature.  */
     int (*to_get_tib_address) (struct target_ops *,
-			       ptid_t ptid, CORE_ADDR *addr);
+			       ptid_t ptid, CORE_ADDR *addr)
+      TARGET_DEFAULT_NORETURN (tcomplain ());
 
     /* Send the new settings of write permission variables.  */
-    void (*to_set_permissions) (struct target_ops *);
+    void (*to_set_permissions) (struct target_ops *)
+      TARGET_DEFAULT_IGNORE ();
 
     /* Look for a static tracepoint marker at ADDR, and fill in MARKER
        with its details.  Return 1 on success, 0 on failure.  */
     int (*to_static_tracepoint_marker_at) (struct target_ops *, CORE_ADDR,
-					   struct static_tracepoint_marker *marker);
+					   struct static_tracepoint_marker *marker)
+      TARGET_DEFAULT_RETURN (0);
 
     /* Return a vector of all tracepoints markers string id ID, or all
        markers if ID is NULL.  */
-- 
1.8.1.4


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