[PowerPC] Reject tdescs with VSX and no FPU or Altivec

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

diff --git a/gdb/gdbserver/regcache.h b/gdb/gdbserver/regcache.h
index 3a75ce3fe10c7e42cd811e2dfdafc22f8a5cab5c..a3d8922bb109e17cc6c53b53627729b508c4e8ad 100644 (file)
--- a/gdb/gdbserver/regcache.h
+++ b/gdb/gdbserver/regcache.h
@@ -28,23 +28,35 @@ struct target_desc;
    inferior; this is primarily for simplicity, as the performance
    benefit is minimal.  */
 
-struct regcache
+struct regcache : public reg_buffer_common
 {
   /* The regcache's target description.  */
-  const struct target_desc *tdesc;
+  const struct target_desc *tdesc = nullptr;
 
   /* 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
      "valid" here is unrelated to whether the registers are available
      in a traceframe.  For that, check REGISTER_STATUS below.  */
-  int registers_valid;
-  int registers_owned;
-  unsigned char *registers;
+  int registers_valid = 0;
+  int registers_owned = 0;
+  unsigned char *registers = nullptr;
 #ifndef IN_PROCESS_AGENT
   /* One of REG_UNAVAILBLE or REG_VALID.  */
-  unsigned char *register_status;
+  unsigned char *register_status = nullptr;
 #endif
+
+  /* See common/common-regcache.h.  */
+  enum register_status get_register_status (int regnum) const override;
+
+  /* See common/common-regcache.h.  */
+  void raw_supply (int regnum, const void *buf) override;
+
+  /* See common/common-regcache.h.  */
+  void raw_collect (int regnum, void *buf) const override;
+
+  /* See common/common-regcache.h.  */
+  bool raw_compare (int regnum, const void *buf, int offset) const override;
 };
 
 struct regcache *init_register_cache (struct regcache *regcache,
@@ -94,10 +106,6 @@ void registers_from_string (struct regcache *regcache, char *buf);
 
 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 (const struct target_desc *tdesc, int n);
-
 int register_cache_size (const struct target_desc *tdesc);
 
 int register_size (const struct target_desc *tdesc, int n);
@@ -111,6 +119,9 @@ void supply_register_zeroed (struct regcache *regcache, int n);
 void supply_register_by_name (struct regcache *regcache,
                              const char *name, const void *buf);
 
+void supply_register_by_name_zeroed (struct regcache *regcache,
+                                    const char *name);
+
 void supply_regblock (struct regcache *regcache, const void *buf);
 
 void collect_register (struct regcache *regcache, int n, void *buf);
@@ -120,4 +131,11 @@ void collect_register_as_string (struct regcache *regcache, int n, char *buf);
 void collect_register_by_name (struct regcache *regcache,
                               const char *name, void *buf);
 
+/* Read a raw register as an unsigned integer.  Convenience wrapper
+   around regcache_raw_get_unsigned that takes a register name instead
+   of a register number.  */
+
+ULONGEST regcache_raw_get_unsigned_by_name (struct regcache *regcache,
+                                           const char *name);
+
 #endif /* REGCACHE_H */