From 2ad10cb22246b16fdebece06646db288dbea1fdb Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 21 Jan 2016 22:46:34 -0500
Subject: [PATCH] sim: h8300: invert sim_state storage

---
 sim/h8300/ChangeLog  | 16 ++++++++++++++++
 sim/h8300/compile.c  | 19 ++++++++++++-------
 sim/h8300/sim-main.h |  8 ++++----
 3 files changed, 32 insertions(+), 11 deletions(-)

diff --git a/sim/h8300/ChangeLog b/sim/h8300/ChangeLog
index dfbaecb5daa..8ddbb548a41 100644
--- a/sim/h8300/ChangeLog
+++ b/sim/h8300/ChangeLog
@@ -1,3 +1,19 @@
+2021-05-17  Mike Frysinger  <vapier@gentoo.org>
+
+	* compile.c (h8_get_state): Change sd to H8300_SIM_STATE.
+	(h8_set_state): Likewise.
+	(h8_get_stats): Likewise.
+	(h8_increment_stats): Likewise.
+	(init_pointers): Likewise.
+	(step_once): Likewise.
+	(sim_info): Likewise.
+	(sim_open): Likewise.
+	(sim_load): Likewise.
+	* sim-main.h (SIM_HAVE_COMMON_SIM_STATE): Define.
+	(struct sim_state): Delete.
+	(struct h8300_sim_state): New struct.
+	(H8300_SIM_STATE): Define.
+
 2021-05-16  Mike Frysinger  <vapier@gentoo.org>
 
 	* compile.c: Replace config.h include with defs.h.
diff --git a/sim/h8300/compile.c b/sim/h8300/compile.c
index 2ac6dd0bf74..a45a676ad0e 100644
--- a/sim/h8300/compile.c
+++ b/sim/h8300/compile.c
@@ -139,13 +139,13 @@ h8_set_exception (SIM_DESC sd, int val)
 static enum h8300_sim_state
 h8_get_state (SIM_DESC sd)
 {
-  return sd -> state;
+  return H8300_SIM_STATE (sd)->state;
 }
 
 static void
 h8_set_state (SIM_DESC sd, enum h8300_sim_state val)
 {
-  sd -> state = val;
+  H8300_SIM_STATE (sd)->state = val;
 }
 #endif
 static unsigned int
@@ -230,13 +230,13 @@ h8_set_reg (SIM_DESC sd, int regnum, int val)
 static int
 h8_get_stats (SIM_DESC sd, int idx)
 {
-  return sd -> stats[idx];
+  return H8300_SIM_STATE (sd)->stats[idx];
 }
 
 static void
 h8_increment_stats (SIM_DESC sd, int idx)
 {
-  sd -> stats[idx] ++;
+  H8300_SIM_STATE (sd)->stats[idx] ++;
 }
 #endif /* ADEBUG */
 
@@ -1612,6 +1612,8 @@ static int init_pointers_needed = 1;
 static void
 init_pointers (SIM_DESC sd)
 {
+  struct h8300_sim_state *state = H8300_SIM_STATE (sd);
+
   if (init_pointers_needed)
     {
       int i;
@@ -1637,7 +1639,7 @@ init_pointers (SIM_DESC sd)
 
       h8_set_memory_buf (sd, (unsigned char *) 
 			 calloc (sizeof (char), memory_size));
-      sd->memory_size = memory_size;
+      state->memory_size = memory_size;
 
       h8_set_mask (sd, memory_size - 1);
 
@@ -1723,6 +1725,7 @@ step_once (SIM_DESC sd, SIM_CPU *cpu)
   int trace = 0;
   int intMask = 0;
   int oldmask;
+  const struct h8300_sim_state *state = H8300_SIM_STATE (sd);
   host_callback *sim_callback = STATE_CALLBACK (sd);
 
   init_pointers (sd);
@@ -4529,6 +4532,7 @@ h8300_reg_fetch (SIM_CPU *cpu, int rn, unsigned char *buf, int length)
 void
 sim_info (SIM_DESC sd, int verbose)
 {
+  const struct h8300_sim_state *state = H8300_SIM_STATE (sd);
   double timetaken = (double) h8_get_ticks (sd) / (double) now_persec ();
   double virttime = h8_get_cycles (sd) / 10.0e6;
 
@@ -4661,7 +4665,7 @@ sim_open (SIM_OPEN_KIND kind,
   SIM_DESC sd;
   sim_cpu *cpu;
 
-  sd = sim_state_alloc (kind, callback);
+  sd = sim_state_alloc_extra (kind, callback, sizeof (struct h8300_sim_state));
 
   /* The cpu data is kept in a separately allocated chunk of memory.  */
   if (sim_cpu_alloc_all (sd, 1) != SIM_RC_OK)
@@ -4745,6 +4749,7 @@ sim_open (SIM_OPEN_KIND kind,
 SIM_RC
 sim_load (SIM_DESC sd, const char *prog, bfd *abfd, int from_tty)
 {
+  struct h8300_sim_state *state = H8300_SIM_STATE (sd);
   bfd *prog_bfd;
 
   /* FIXME: The code below that sets a specific variant of the H8/300
@@ -4794,7 +4799,7 @@ sim_load (SIM_DESC sd, const char *prog, bfd *abfd, int from_tty)
 
   h8_set_memory_buf (sd, (unsigned char *) 
 		     calloc (sizeof (char), memory_size));
-  sd->memory_size = memory_size;
+  state->memory_size = memory_size;
 
   /* `msize' must be a power of two.  */
   if ((memory_size & (memory_size - 1)) != 0)
diff --git a/sim/h8300/sim-main.h b/sim/h8300/sim-main.h
index 68e44ae9333..57ff3071460 100644
--- a/sim/h8300/sim-main.h
+++ b/sim/h8300/sim-main.h
@@ -5,6 +5,8 @@
 #ifndef SIM_MAIN_H
 #define SIM_MAIN_H
 
+#define SIM_HAVE_COMMON_SIM_STATE
+
 #define DEBUG
 
 /* These define the size of main memory for the simulator.
@@ -130,15 +132,13 @@ struct _sim_cpu {
   sim_cpu_base base;
 };
 
-/* The sim_state struct.  */
-struct sim_state {
-  sim_cpu *cpu[MAX_NR_PROCESSORS];
+struct h8300_sim_state {
   unsigned long memory_size;
 #ifdef ADEBUG
   int stats[O_LAST];
 #endif
-  sim_state_base base;
 };
+#define H8300_SIM_STATE(sd) ((struct h8300_sim_state *) STATE_ARCH_DATA (sd))
 
 /* The current state of the processor; registers, memory, etc.  */
 
-- 
2.30.2