Constify breakpoint::print_it

This constifies breakpoint::print_it.  Doing this pointed out some
code in ada-lang.c that can be simplified a little as well.

9 files changed, 32 insertions, 34 deletions

diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index 5f6f167..7d03e33 100644
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -11969,8 +11969,7 @@ ada_unhandled_exception_name_addr_from_raise (void)
    Return zero if the address could not be computed, or if not relevant.  */
 
 static CORE_ADDR
-ada_exception_name_addr_1 (enum ada_exception_catchpoint_kind ex,
-			   struct breakpoint *b)
+ada_exception_name_addr_1 (enum ada_exception_catchpoint_kind ex)
 {
   struct ada_inferior_data *data = get_ada_inferior_data (current_inferior ());
 
@@ -12068,14 +12067,13 @@ ada_exception_message (void)
    and zero is returned.  */
 
 static CORE_ADDR
-ada_exception_name_addr (enum ada_exception_catchpoint_kind ex,
-			 struct breakpoint *b)
+ada_exception_name_addr (enum ada_exception_catchpoint_kind ex)
 {
   CORE_ADDR result = 0;
 
   try
     {
-      result = ada_exception_name_addr_1 (ex, b);
+      result = ada_exception_name_addr_1 (ex);
     }
 
   catch (const gdb_exception_error &e)
@@ -12132,7 +12130,7 @@ struct ada_catchpoint : public base_breakpoint
   struct bp_location *allocate_location () override;
   void re_set () override;
   void check_status (struct bpstat *bs) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   bool print_one (struct bp_location **) override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
@@ -12297,7 +12295,7 @@ ada_catchpoint::check_status (bpstat *bs)
    catchpoint kinds.  */
 
 enum print_stop_action
-ada_catchpoint::print_it (bpstat *bs)
+ada_catchpoint::print_it (const bpstat *bs) const
 {
   struct ui_out *uiout = current_uiout;
 
@@ -12328,7 +12326,7 @@ ada_catchpoint::print_it (bpstat *bs)
       case ada_catch_exception_unhandled:
       case ada_catch_handlers:
 	{
-	  const CORE_ADDR addr = ada_exception_name_addr (m_kind, this);
+	  const CORE_ADDR addr = ada_exception_name_addr (m_kind);
 	  char exception_name[256];
 
 	  if (addr != 0)
diff --git a/gdb/break-catch-exec.c b/gdb/break-catch-exec.c
index 2ae9ebf..89fa393 100644
--- a/gdb/break-catch-exec.c
+++ b/gdb/break-catch-exec.c
@@ -43,7 +43,7 @@ struct exec_catchpoint : public breakpoint
 		      const address_space *aspace,
 		      CORE_ADDR bp_addr,
 		      const target_waitstatus &ws) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   bool print_one (struct bp_location **) override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
@@ -81,7 +81,7 @@ exec_catchpoint::breakpoint_hit (const struct bp_location *bl,
 }
 
 enum print_stop_action
-exec_catchpoint::print_it (bpstat *bs)
+exec_catchpoint::print_it (const bpstat *bs) const
 {
   struct ui_out *uiout = current_uiout;
 
diff --git a/gdb/break-catch-fork.c b/gdb/break-catch-fork.c
index 75e32af..bf4437e 100644
--- a/gdb/break-catch-fork.c
+++ b/gdb/break-catch-fork.c
@@ -41,7 +41,7 @@ struct fork_catchpoint : public breakpoint
 		      const address_space *aspace,
 		      CORE_ADDR bp_addr,
 		      const target_waitstatus &ws) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   bool print_one (struct bp_location **) override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
@@ -98,7 +98,7 @@ fork_catchpoint::breakpoint_hit (const struct bp_location *bl,
 /* Implement the "print_it" method for fork catchpoints.  */
 
 enum print_stop_action
-fork_catchpoint::print_it (bpstat *bs)
+fork_catchpoint::print_it (const bpstat *bs) const
 {
   struct ui_out *uiout = current_uiout;
 
diff --git a/gdb/break-catch-load.c b/gdb/break-catch-load.c
index 7c92739..d0ef182 100644
--- a/gdb/break-catch-load.c
+++ b/gdb/break-catch-load.c
@@ -43,7 +43,7 @@ struct solib_catchpoint : public breakpoint
 		      CORE_ADDR bp_addr,
 		      const target_waitstatus &ws) override;
   void check_status (struct bpstat *bs) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   bool print_one (struct bp_location **) override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
@@ -127,7 +127,7 @@ solib_catchpoint::check_status (struct bpstat *bs)
 }
 
 enum print_stop_action
-solib_catchpoint::print_it (bpstat *bs)
+solib_catchpoint::print_it (const bpstat *bs) const
 {
   struct breakpoint *b = bs->breakpoint_at;
   struct ui_out *uiout = current_uiout;
diff --git a/gdb/break-catch-sig.c b/gdb/break-catch-sig.c
index 7f73b9e..77ecb46 100644
--- a/gdb/break-catch-sig.c
+++ b/gdb/break-catch-sig.c
@@ -47,7 +47,7 @@ struct signal_catchpoint : public breakpoint
 		      const address_space *aspace,
 		      CORE_ADDR bp_addr,
 		      const target_waitstatus &ws) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   bool print_one (struct bp_location **) override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
@@ -183,7 +183,7 @@ signal_catchpoint::breakpoint_hit (const struct bp_location *bl,
 /* Implement the "print_it" method for signal catchpoints.  */
 
 enum print_stop_action
-signal_catchpoint::print_it (bpstat *bs)
+signal_catchpoint::print_it (const bpstat *bs) const
 {
   struct target_waitstatus last;
   const char *signal_name;
diff --git a/gdb/break-catch-syscall.c b/gdb/break-catch-syscall.c
index ff2566b..5b7cd1a 100644
--- a/gdb/break-catch-syscall.c
+++ b/gdb/break-catch-syscall.c
@@ -44,7 +44,7 @@ struct syscall_catchpoint : public breakpoint
 		      const address_space *aspace,
 		      CORE_ADDR bp_addr,
 		      const target_waitstatus &ws) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   bool print_one (struct bp_location **) override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
@@ -180,7 +180,7 @@ syscall_catchpoint::breakpoint_hit (const struct bp_location *bl,
 /* Implement the "print_it" method for syscall catchpoints.  */
 
 enum print_stop_action
-syscall_catchpoint::print_it (bpstat *bs)
+syscall_catchpoint::print_it (const bpstat *bs) const
 {
   struct ui_out *uiout = current_uiout;
   struct breakpoint *b = bs->breakpoint_at;
diff --git a/gdb/break-catch-throw.c b/gdb/break-catch-throw.c
index 8742bc9..6b3601a 100644
--- a/gdb/break-catch-throw.c
+++ b/gdb/break-catch-throw.c
@@ -68,7 +68,7 @@ static const struct exception_names exception_functions[] =
 struct exception_catchpoint : public base_breakpoint
 {
   void re_set () override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   bool print_one (struct bp_location **) override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
@@ -228,7 +228,7 @@ exception_catchpoint::re_set ()
 }
 
 enum print_stop_action
-exception_catchpoint::print_it (bpstat *bs)
+exception_catchpoint::print_it (const bpstat *bs) const
 {
   struct ui_out *uiout = current_uiout;
   int bp_temp;
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 41e827b..e6158e6 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -259,7 +259,7 @@ static const struct breakpoint_ops tracepoint_probe_breakpoint_ops =
 struct ordinary_breakpoint : public base_breakpoint
 {
   int resources_needed (const struct bp_location *) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
 };
@@ -269,7 +269,7 @@ struct internal_breakpoint : public base_breakpoint
 {
   void re_set () override;
   void check_status (struct bpstat *bs) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   void print_mention () override;
 };
 
@@ -278,7 +278,7 @@ struct momentary_breakpoint : public base_breakpoint
 {
   void re_set () override;
   void check_status (struct bpstat *bs) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   void print_mention () override;
 };
 
@@ -302,7 +302,7 @@ struct ranged_breakpoint : public ordinary_breakpoint
 		      CORE_ADDR bp_addr,
 		      const target_waitstatus &ws) override;
   int resources_needed (const struct bp_location *) override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   bool print_one (struct bp_location **) override;
   void print_one_detail (struct ui_out *) const override;
   void print_mention () override;
@@ -9207,7 +9207,7 @@ ranged_breakpoint::resources_needed (const struct bp_location *bl)
 /* Implement the "print_it" method for ranged breakpoints.  */
 
 enum print_stop_action
-ranged_breakpoint::print_it (bpstat *bs)
+ranged_breakpoint::print_it (const bpstat *bs) const
 {
   struct bp_location *bl = loc;
   struct ui_out *uiout = current_uiout;
@@ -9566,7 +9566,7 @@ watchpoint::works_in_software_mode () const
 }
 
 enum print_stop_action
-watchpoint::print_it (bpstat *bs)
+watchpoint::print_it (const bpstat *bs) const
 {
   struct breakpoint *b;
   enum print_stop_action result;
@@ -9734,7 +9734,7 @@ struct masked_watchpoint : public watchpoint
 		       enum remove_bp_reason reason) override;
   int resources_needed (const struct bp_location *) override;
   bool works_in_software_mode () const override;
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   void print_one_detail (struct ui_out *) const override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
@@ -9781,7 +9781,7 @@ masked_watchpoint::works_in_software_mode () const
    watchpoints.  */
 
 enum print_stop_action
-masked_watchpoint::print_it (bpstat *bs)
+masked_watchpoint::print_it (const bpstat *bs) const
 {
   struct breakpoint *b = bs->breakpoint_at;
   struct ui_out *uiout = current_uiout;
@@ -11557,7 +11557,7 @@ breakpoint::resources_needed (const struct bp_location *bl)
 }
 
 enum print_stop_action
-breakpoint::print_it (bpstat *bs)
+breakpoint::print_it (const bpstat *bs) const
 {
   internal_error_pure_virtual_called ();
 }
@@ -11686,7 +11686,7 @@ ordinary_breakpoint::resources_needed (const struct bp_location *bl)
 }
 
 enum print_stop_action
-ordinary_breakpoint::print_it (bpstat *bs)
+ordinary_breakpoint::print_it (const bpstat *bs) const
 {
   const struct bp_location *bl;
   int bp_temp;
@@ -11827,7 +11827,7 @@ internal_breakpoint::check_status (bpstat *bs)
 }
 
 enum print_stop_action
-internal_breakpoint::print_it (bpstat *bs)
+internal_breakpoint::print_it (const bpstat *bs) const
 {
   switch (type)
     {
@@ -11894,7 +11894,7 @@ momentary_breakpoint::check_status (bpstat *bs)
 }
 
 enum print_stop_action
-momentary_breakpoint::print_it (bpstat *bs)
+momentary_breakpoint::print_it (const bpstat *bs) const
 {
   return PRINT_UNKNOWN;
 }
diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index bbacbca..194452a 100644
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -670,7 +670,7 @@ struct breakpoint
 
   /* The normal print routine for this breakpoint, called when we
      hit it.  */
-  virtual enum print_stop_action print_it (struct bpstat *bs);
+  virtual enum print_stop_action print_it (const bpstat *bs) const;
 
   /* Display information about this breakpoint, for "info
      breakpoints".  Returns false if this method should use the
@@ -879,7 +879,7 @@ struct watchpoint : public breakpoint
      there are not enough hardware resources available.  */
   virtual bool works_in_software_mode () const;
 
-  enum print_stop_action print_it (struct bpstat *bs) override;
+  enum print_stop_action print_it (const bpstat *bs) const override;
   void print_mention () override;
   void print_recreate (struct ui_file *fp) override;
   bool explains_signal (enum gdb_signal) override;