gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / break-catch-sig.c

diff --git a/gdb/break-catch-sig.c b/gdb/break-catch-sig.c
index c8529de8ad422ffc3ece8e90ac67fa51b7e54487..e3e6f6fd8c9d1ee73ae9f0805067a5983e73546a 100644 (file)
--- a/gdb/break-catch-sig.c
+++ b/gdb/break-catch-sig.c
@@ -1,6 +1,6 @@
 /* Everything about signal catchpoints, for GDB.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -28,6 +28,7 @@
 #include "valprint.h"
 #include "cli/cli-utils.h"
 #include "completer.h"
+#include "cli/cli-style.h"
 
 #include <string>
 
@@ -145,7 +146,7 @@ signal_catchpoint_remove_location (struct bp_location *bl,
 
 static int
 signal_catchpoint_breakpoint_hit (const struct bp_location *bl,
-                                 struct address_space *aspace,
+                                 const address_space *aspace,
                                  CORE_ADDR bp_addr,
                                  const struct target_waitstatus *ws)
 {
@@ -180,12 +181,11 @@ static enum print_stop_action
 signal_catchpoint_print_it (bpstat bs)
 {
   struct breakpoint *b = bs->breakpoint_at;
-  ptid_t ptid;
   struct target_waitstatus last;
   const char *signal_name;
   struct ui_out *uiout = current_uiout;
 
-  get_last_target_status (&ptid, &last);
+  get_last_target_status (nullptr, nullptr, &last);
 
   signal_name = signal_to_name_or_int (last.value.sig);
 
@@ -241,7 +241,8 @@ signal_catchpoint_print_one (struct breakpoint *b,
     }
   else
     uiout->field_string ("what",
-                        c->catch_all ? "<any signal>" : "<standard signals>");
+                        c->catch_all ? "<any signal>" : "<standard signals>",
+                        metadata_style.style ());
   uiout->text ("\" ");
 
   if (uiout->is_mi_like_p ())
@@ -317,15 +318,14 @@ static void
 create_signal_catchpoint (int tempflag, std::vector<gdb_signal> &&filter,
                          bool catch_all)
 {
-  struct signal_catchpoint *c;
   struct gdbarch *gdbarch = get_current_arch ();
 
-  c = new signal_catchpoint ();
-  init_catchpoint (c, gdbarch, tempflag, NULL, &signal_catchpoint_ops);
-  c->signals_to_be_caught = filter;
+  std::unique_ptr<signal_catchpoint> c (new signal_catchpoint ());
+  init_catchpoint (c.get (), gdbarch, tempflag, NULL, &signal_catchpoint_ops);
+  c->signals_to_be_caught = std::move (filter);
   c->catch_all = catch_all;
 
-  install_breakpoint (0, c, 1);
+  install_breakpoint (0, std::move (c), 1);
 }
 
 
@@ -333,7 +333,7 @@ create_signal_catchpoint (int tempflag, std::vector<gdb_signal> &&filter,
    list, which is empty if no filtering is required.  */
 
 static std::vector<gdb_signal>
-catch_signal_split_args (char *arg, bool *catch_all)
+catch_signal_split_args (const char *arg, bool *catch_all)
 {
   std::vector<gdb_signal> result;
   bool first = true;
@@ -344,12 +344,12 @@ catch_signal_split_args (char *arg, bool *catch_all)
       gdb_signal signal_number;
       char *endptr;
 
-      gdb::unique_xmalloc_ptr<char> one_arg (extract_arg (&arg));
-      if (one_arg == NULL)
+      std::string one_arg = extract_arg (&arg);
+      if (one_arg.empty ())
        break;
 
       /* Check for the special flag "all".  */
-      if (strcmp (one_arg.get (), "all") == 0)
+      if (one_arg == "all")
        {
          arg = skip_spaces (arg);
          if (*arg != '\0' || !first)
@@ -362,14 +362,14 @@ catch_signal_split_args (char *arg, bool *catch_all)
       first = false;
 
       /* Check if the user provided a signal name or a number.  */
-      num = (int) strtol (one_arg.get (), &endptr, 0);
+      num = (int) strtol (one_arg.c_str (), &endptr, 0);
       if (*endptr == '\0')
        signal_number = gdb_signal_from_command (num);
       else
        {
-         signal_number = gdb_signal_from_name (one_arg.get ());
+         signal_number = gdb_signal_from_name (one_arg.c_str ());
          if (signal_number == GDB_SIGNAL_UNKNOWN)
-           error (_("Unknown signal name '%s'."), one_arg.get ());
+           error (_("Unknown signal name '%s'."), one_arg.c_str ());
        }
 
       result.push_back (signal_number);
@@ -382,7 +382,7 @@ catch_signal_split_args (char *arg, bool *catch_all)
 /* Implement the "catch signal" command.  */
 
 static void
-catch_signal_command (char *arg, int from_tty,
+catch_signal_command (const char *arg, int from_tty,
                      struct cmd_list_element *command)
 {
   int tempflag;
@@ -424,10 +424,9 @@ initialize_signal_catchpoint_ops (void)
   ops->explains_signal = signal_catchpoint_explains_signal;
 }
 
-initialize_file_ftype _initialize_break_catch_sig;
-
+void _initialize_break_catch_sig ();
 void
-_initialize_break_catch_sig (void)
+_initialize_break_catch_sig ()
 {
   initialize_signal_catchpoint_ops ();