gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / corefile.c

diff --git a/gdb/corefile.c b/gdb/corefile.c
index f22c1540cb16b4bd441ee983013f7c6efc14c861..996e5301b27a336abbe60adfb2b16cd65fb874e6 100644 (file)
--- a/gdb/corefile.c
+++ b/gdb/corefile.c
@@ -1,6 +1,6 @@
 /* Core dump and executable file functions above target vector, for GDB.
 
-   Copyright (C) 1986-2019 Free Software Foundation, Inc.
+   Copyright (C) 1986-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -141,7 +141,7 @@ validate_files (void)
 
 /* See gdbsupport/common-inferior.h.  */
 
-char *
+const char *
 get_exec_file (int err)
 {
   if (exec_filename)
@@ -151,7 +151,6 @@ get_exec_file (int err)
 
   error (_("No executable file specified.\n\
 Use the \"file\" or \"exec-file\" command."));
-  return NULL;
 }
 \f
 
@@ -416,7 +415,7 @@ write_memory_signed_integer (CORE_ADDR addr, int len,
 \f
 /* The current default bfd target.  Points to storage allocated for
    gnutarget_string.  */
-char *gnutarget;
+const char *gnutarget;
 
 /* Same thing, except it is "auto" not NULL for the default case.  */
 static char *gnutarget_string;
@@ -473,14 +472,14 @@ complete_set_gnutarget (struct cmd_list_element *cmd,
 void
 set_gnutarget (const char *newtarget)
 {
-  if (gnutarget_string != NULL)
-    xfree (gnutarget_string);
+  xfree (gnutarget_string);
   gnutarget_string = xstrdup (newtarget);
   set_gnutarget_command (NULL, 0, NULL);
 }
 
+void _initialize_core ();
 void
-_initialize_core (void)
+_initialize_core ()
 {
   struct cmd_list_element *c;