linux low: Make the arch code free arch_process_info

[deliverable/binutils-gdb.git] / gdb / gdbserver / regcache.h

diff --git a/gdb/gdbserver/regcache.h b/gdb/gdbserver/regcache.h
index 5fe64cb1d8068d26f2e059aa0922b67f3f358606..309de413e33263a1e187338ec7af9ae195d8a865 100644 (file)
--- a/gdb/gdbserver/regcache.h
+++ b/gdb/gdbserver/regcache.h
@@ -1,6 +1,5 @@
 /* Register support routines for the remote server for GDB.
-   Copyright (C) 2001, 2002, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,15 +19,10 @@
 #ifndef REGCACHE_H
 #define REGCACHE_H
 
-struct inferior_list_entry;
-struct thread_info;
-
-/* The register exists, it has a value, but we don't know what it is.
-   Used when inspecting traceframes.  */
-#define REG_UNAVAILABLE 0
+#include "common-regcache.h"
 
-/* We know the register's value (and we have it cached).  */
-#define REG_VALID 1
+struct thread_info;
+struct target_desc;
 
 /* The data for the register cache.  Note that we have one per
    inferior; this is primarily for simplicity, as the performance
@@ -36,6 +30,9 @@ struct thread_info;
 
 struct regcache
 {
+  /* The regcache's target description.  */
+  const struct target_desc *tdesc;
+
   /* Whether the REGISTERS buffer's contents are valid.  If false, we
      haven't fetched the registers from the target yet.  Not that this
      register cache is _not_ pass-through, unlike GDB's.  Note that
@@ -51,13 +48,14 @@ struct regcache
 };
 
 struct regcache *init_register_cache (struct regcache *regcache,
+                                     const struct target_desc *tdesc,
                                      unsigned char *regbuf);
 
 void regcache_cpy (struct regcache *dst, struct regcache *src);
 
 /* Create a new register cache for INFERIOR.  */
 
-struct regcache *new_register_cache (void);
+struct regcache *new_register_cache (const struct target_desc *tdesc);
 
 struct regcache *get_thread_regcache (struct thread_info *thread, int fetch);
 
@@ -65,11 +63,24 @@ struct regcache *get_thread_regcache (struct thread_info *thread, int fetch);
 
 void free_register_cache (struct regcache *regcache);
 
-/* Invalidate cached registers for one or all threads.  */
+/* Invalidate cached registers for one thread.  */
+
+void regcache_invalidate_thread (struct thread_info *);
+
+/* Invalidate cached registers for all threads of the given process.  */
+
+void regcache_invalidate_pid (int pid);
+
+/* Invalidate cached registers for all threads of the current
+   process.  */
 
-void regcache_invalidate_one (struct inferior_list_entry *);
 void regcache_invalidate (void);
 
+/* Invalidate and release the register cache of all threads of the
+   current process.  */
+
+void regcache_release (void);
+
 /* Convert all registers to a string in the currently specified remote
    format.  */
 
@@ -79,24 +90,19 @@ void registers_to_string (struct regcache *regcache, char *buf);
 
 void registers_from_string (struct regcache *regcache, char *buf);
 
-CORE_ADDR regcache_read_pc (struct regcache *regcache);
+/* For regcache_read_pc see common/common-regcache.h.  */
 
 void regcache_write_pc (struct regcache *regcache, CORE_ADDR pc);
 
 /* Return a pointer to the description of register ``n''.  */
 
-struct reg *find_register_by_number (int n);
-
-int register_size (int n);
+struct reg *find_register_by_number (const struct target_desc *tdesc, int n);
 
-int register_cache_size (void);
+int register_cache_size (const struct target_desc *tdesc);
 
-int find_regno (const char *name);
+int register_size (const struct target_desc *tdesc, int n);
 
-/* The following two variables are set by auto-generated
-   code in the init_registers_... routines.  */
-extern const char **gdbserver_expedite_regs;
-extern const char *gdbserver_xmltarget;
+int find_regno (const struct target_desc *tdesc, const char *name);
 
 void supply_register (struct regcache *regcache, int n, const void *buf);