Fix issues with multiple inferiors

[deliverable/binutils-gdb.git] / sim / common / sim-model.h

diff --git a/sim/common/sim-model.h b/sim/common/sim-model.h
index 25b970c95b59439a9f3faf43114abe4302cb6759..7e10e12a8f84a88290a377c5b18d9874960af954 100644 (file)
--- a/sim/common/sim-model.h
+++ b/sim/common/sim-model.h
@@ -1,5 +1,5 @@
 /* Architecture, machine, and model support.
-   Copyright (C) 1997-2013 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    Contributed by Cygnus Support.
 
 This file is part of GDB, the GNU debugger.
@@ -21,6 +21,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
    architecture = one of sparc, mips, sh, etc.
    in the sparc architecture, mach = one of v6, v7, v8, sparclite, etc.
    in the v8 mach, model = one of supersparc, etc.
+
+   To use the model framework, your arch needs to do a few things:
+   (1) Call SIM_AC_OPTION_DEFAULT_MODEL() in configure.ac.
+   (2) Define enum mach_attr in sim-main.h.
+   (3) Define sim_machs array (and all the callbacks it uses).
 */
 
 /* This file is intended to be included by sim-basics.h.  */
@@ -42,6 +47,15 @@ typedef struct {
 #define MAX_UNITS 1
 #endif
 
+#ifndef WITH_DEFAULT_MODEL
+/* Just a stub for ports that do not define models.  */
+enum mach_attr { _MACH_NONE };
+# define WITH_DEFAULT_MODEL NULL
+# define WITH_MODEL_P 0
+#else
+# define WITH_MODEL_P 1
+#endif
+
 typedef int (MODEL_FN) (sim_cpu *, void *);
 
 typedef struct {
@@ -68,7 +82,7 @@ typedef struct {
      This is zero if the SCACHE isn't in use for this variant.  */
   int scache_elm_size;
 #define IMP_PROPS_SCACHE_ELM_SIZE(cpu_props) ((cpu_props)->scache_elm_size)
-} MACH_IMP_PROPERTIES;
+} SIM_MACH_IMP_PROPERTIES;
 
 /* A machine variant.  */
 
@@ -92,7 +106,7 @@ typedef struct {
 #define MACH_MODELS(m) ((m)->models)
 
   /* Pointer to the implementation properties of this mach.  */
-  const MACH_IMP_PROPERTIES *imp_props;
+  const SIM_MACH_IMP_PROPERTIES *imp_props;
 #define MACH_IMP_PROPS(m) ((m)->imp_props)
 
   /* Called by sim_model_set when the model of a cpu is set.  */
@@ -103,14 +117,14 @@ typedef struct {
      Used by cgen simulators to initialize the insn descriptor table.  */
   void (* prepare_run) (sim_cpu *);
 #define MACH_PREPARE_RUN(m) ((m)->prepare_run)
-} MACH;
+} SIM_MACH;
 
 /* A model (implementation) of a machine.  */
 
 typedef struct model {
   const char *name;
 #define MODEL_NAME(m) ((m)->name)
-  const MACH *mach;
+  const SIM_MACH *mach;
 #define MODEL_MACH(m) ((m)->mach)
   /* An enum that distinguished the model.  */
   int num;
@@ -120,21 +134,21 @@ typedef struct model {
 #define MODEL_TIMING(m) ((m)->timing)
   void (* init) (sim_cpu *);
 #define MODEL_INIT(m) ((m)->init)
-} MODEL;
+} SIM_MODEL;
 
 /* Tables of supported machines.  */
 /* ??? In a simulator of multiple architectures, will need multiple copies of
    this.  Have an `archs' array that contains a pointer to the machs array
    for each (which in turn has a pointer to the models array for each).  */
-extern const MACH *sim_machs[];
+extern const SIM_MACH *sim_machs[];
 
 /* Model module handlers.  */
 extern MODULE_INSTALL_FN sim_model_install;
 
 /* Support routines.  */
-extern void sim_model_set (SIM_DESC sd_, sim_cpu *cpu_, const MODEL *model_);
-extern const MODEL * sim_model_lookup (const char *name_);
-extern const MACH * sim_mach_lookup (const char *name_);
-extern const MACH * sim_mach_lookup_bfd_name (const char *bfd_name_);
+extern void sim_model_set (SIM_DESC sd_, sim_cpu *cpu_, const SIM_MODEL *model_);
+extern const SIM_MODEL *sim_model_lookup (const char *name_);
+extern const SIM_MACH *sim_mach_lookup (const char *name_);
+extern const SIM_MACH *sim_mach_lookup_bfd_name (const char *bfd_name_);
 
 #endif /* SIM_MODEL_H */