Look for FIR in the last FreeBSD/mips floating-point register.

[deliverable/binutils-gdb.git] / gdb / progspace.h

diff --git a/gdb/progspace.h b/gdb/progspace.h
index 3db3938aace7b4dd9eafaaec05453550b749a2f4..ec1f4824613d1ce549a691258356c538a25965d1 100644 (file)
--- a/gdb/progspace.h
+++ b/gdb/progspace.h
@@ -1,6 +1,6 @@
 /* Program and address space management, for GDB, the GNU debugger.
 
-   Copyright (C) 2009-2012 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -24,6 +24,7 @@
 #include "target.h"
 #include "vec.h"
 #include "gdb_vecs.h"
+#include "registry.h"
 
 struct target_ops;
 struct bfd;
@@ -32,6 +33,7 @@ struct inferior;
 struct exec;
 struct address_space;
 struct program_space_data;
+struct address_space_data;
 
 typedef struct so_list *so_list_ptr;
 DEF_VEC_P (so_list_ptr);
@@ -147,6 +149,10 @@ struct program_space
     bfd *ebfd;
     /* The last-modified time, from when the exec was brought in.  */
     long ebfd_mtime;
+    /* Similar to bfd_get_filename (exec_bfd) but in original form given
+       by user, without symbolic links and pathname resolved.
+       It needs to be freed by xfree.  It is not NULL iff EBFD is not NULL.  */
+    char *pspace_exec_filename;
 
     /* The address space attached to this program space.  More than one
        program space may be bound to the same address space.  In the
@@ -201,8 +207,7 @@ struct program_space
     VEC (char_ptr) *deleted_solibs;
 
     /* Per pspace data-pointers required by other GDB modules.  */
-    void **data;
-    unsigned num_data;
+    REGISTRY_FIELDS;
   };
 
 /* The object file that the main symbol table was loaded from (e.g. the
@@ -231,22 +236,21 @@ extern struct program_space *current_program_space;
    pointer to the new object.  */
 extern struct program_space *add_program_space (struct address_space *aspace);
 
-/* Release PSPACE and removes it from the pspace list.  */
-extern void remove_program_space (struct program_space *pspace);
+/* Remove a program space from the program spaces list and release it.  It is
+   an error to call this function while PSPACE is the current program space. */
+extern void delete_program_space (struct program_space *pspace);
 
 /* Returns the number of program spaces listed.  */
 extern int number_of_program_spaces (void);
 
+/* Returns true iff there's no inferior bound to PSPACE.  */
+extern int program_space_empty_p (struct program_space *pspace);
+
 /* Copies program space SRC to DEST.  Copies the main executable file,
    and the main symbol file.  Returns DEST.  */
 extern struct program_space *clone_program_space (struct program_space *dest,
                                                struct program_space *src);
 
-/* Save the current program space so that it may be restored by a later
-   call to do_cleanups.  Returns the struct cleanup pointer needed for
-   later doing the cleanup.  */
-extern struct cleanup *save_current_program_space (void);
-
 /* Sets PSPACE as the current program space.  This is usually used
    instead of set_current_space_and_thread when the current
    thread/inferior is not important for the operations that follow.
@@ -257,13 +261,27 @@ extern struct cleanup *save_current_program_space (void);
    space.  */
 extern void set_current_program_space (struct program_space *pspace);
 
-/* Saves the current thread (may be null), frame and program space in
-   the current cleanup chain.  */
-extern struct cleanup *save_current_space_and_thread (void);
+/* Save/restore the current program space.  */
+
+class scoped_restore_current_program_space
+{
+public:
+  scoped_restore_current_program_space ()
+    : m_saved_pspace (current_program_space)
+  {}
+
+  ~scoped_restore_current_program_space ()
+  { set_current_program_space (m_saved_pspace); }
+
+  /* Disable copy.  */
+  scoped_restore_current_program_space
+    (const scoped_restore_current_program_space &) = delete;
+  void operator=
+    (const scoped_restore_current_program_space &) = delete;
 
-/* Switches full context to program space PSPACE.  Switches to the
-   first thread found bound to PSPACE.  */
-extern void switch_to_program_space_and_thread (struct program_space *pspace);
+private:
+  program_space *m_saved_pspace;
+};
 
 /* Create a new address space object, and add it to the list.  */
 extern struct address_space *new_address_space (void);
@@ -286,10 +304,6 @@ extern int address_space_num (struct address_space *aspace);
    mappings.  */
 extern void update_address_spaces (void);
 
-/* Prune away automatically added program spaces that aren't required
-   anymore.  */
-extern void prune_program_spaces (void);
-
 /* Reset saved solib data at the start of an solib event.  This lets
    us properly collect the data when calling solib_add, so it can then
    later be printed.  */
@@ -298,14 +312,11 @@ extern void clear_program_space_solib_cache (struct program_space *);
 /* Keep a registry of per-pspace data-pointers required by other GDB
    modules.  */
 
-extern const struct program_space_data *register_program_space_data (void);
-extern const struct program_space_data *register_program_space_data_with_cleanup
-  (void (*cleanup) (struct program_space *, void *));
-extern void clear_program_space_data (struct program_space *pspace);
-extern void set_program_space_data (struct program_space *pspace,
-                                   const struct program_space_data *data,
-                                   void *value);
-extern void *program_space_data (struct program_space *pspace,
-                          const struct program_space_data *data);
+DECLARE_REGISTRY (program_space);
+
+/* Keep a registry of per-aspace data-pointers required by other GDB
+   modules.  */
+
+DECLARE_REGISTRY (address_space);
 
 #endif