* compile.c (sim_resume): Watch for calls to abort.

	* run.c: #include <signal.h>.
	(main): Abort if program got SIGILL.

diff --git a/sim/h8300/ChangeLog b/sim/h8300/ChangeLog
index 8a166c958173a82924a8187702c767bb9c2f479b..5ac0fb0e2c4337ef33ea1c3327b8aac43ce15d8b 100644 (file)
--- a/sim/h8300/ChangeLog
+++ b/sim/h8300/ChangeLog
@@ -1,3 +1,33 @@
+Mon Mar 11 09:53:25 1996  Doug Evans  <dje@charmed.cygnus.com>
+
+       * compile.c (sim_resume): Watch for calls to abort.
+       * run.c: #include <signal.h>.
+       (main): Abort if program got SIGILL.
+
+Wed Feb 21 12:15:00 1996  Ian Lance Taylor  <ian@cygnus.com>
+
+       * configure: Regenerate with autoconf 2.7.
+
+Thu Jan  4 11:52:53 1996  Doug Evans  <dje@canuck.cygnus.com>
+
+       * inst.h (MPOWER,MSIZE): Deleted.
+       (H8300{,H}_MSIZE): Define.
+       * compile.c (memory_size): New static global.
+       (init_pointers): Set memory size from one of H8300{,H}_MSIZE.
+       (sim_write,sim_read): Use memory_size.
+
+Fri Oct 13 15:03:19 1995  steve chamberlain  <sac@slash.cygnus.com>
+
+       * compile.c (sim_set_callbacks): New.
+
+Tue Oct 10 11:11:26 1995  Fred Fish  <fnf@cygnus.com>
+
+       * Makefile.in (BISON): Remove macro.
+
+Wed Sep 20 13:35:02 1995  Ian Lance Taylor  <ian@cygnus.com>
+
+       * Makefile.in (maintainer-clean): New synonym for realclean.
+
 Fri Sep  8 12:18:53 1995  Ian Lance Taylor  <ian@cygnus.com>
 
        * Makefile.in (install): Don't install in $(tooldir).

diff --git a/sim/h8300/compile.c b/sim/h8300/compile.c
index 1970156c8e987590b8a8f543bb27e2eb8041eb3e..bfeb74ca3fe51a91a5783d03f74975c26ae0c4a5 100644 (file)
--- a/sim/h8300/compile.c
+++ b/sim/h8300/compile.c
@@ -17,13 +17,18 @@
  * AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
+#include "config.h"
+
 #include <signal.h>
-#ifndef WIN32
-#include <sys/times.h>
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
 #endif
 #include <sys/param.h>
 #include "ansidecl.h"
-#include "sysdep.h"
+#include "callback.h"
 #include "remote-sim.h"
 #include "bfd.h"
 
@@ -79,13 +84,13 @@ static cpu_state_type cpu;
 
 int h8300hmode = 0;
 
+static int memory_size;
+
 
 static int
 get_now ()
 {
 #ifndef WIN32
-  struct tms b;
-
   return time (0);
 #endif
   return 0;
@@ -665,10 +670,18 @@ init_pointers ()
       init = 1;
       littleendian.i = 1;
 
-      cpu.memory = (unsigned char *) calloc (sizeof (char), MSIZE);
-      cpu.cache_idx = (unsigned short *) calloc (sizeof (short), MSIZE);
+      if (h8300hmode)
+       memory_size = H8300H_MSIZE;
+      else
+       memory_size = H8300_MSIZE;
+      cpu.memory = (unsigned char *) calloc (sizeof (char), memory_size);
+      cpu.cache_idx = (unsigned short *) calloc (sizeof (short), memory_size);
+
+      /* `msize' must be a power of two */
+      if ((memory_size & (memory_size - 1)) != 0)
+       abort ();
+      cpu.mask = memory_size - 1;
 
-      cpu.mask = (1 << MPOWER) - 1;
       for (i = 0; i < 9; i++)
        {
          cpu.regs[i] = 0;
@@ -1241,6 +1254,11 @@ sim_resume (step, siggnal)
          cpu.exception = SIGILL;
          goto end;
        case O (O_SLEEP, SB):
+         if ((short) cpu.regs[0] == -255)
+           cpu.exception = SIGILL;
+         else
+           cpu.exception = SIGTRAP;
+         goto end;
        case O (O_BPT, SB):
          cpu.exception = SIGTRAP;
          goto end;
@@ -1556,7 +1574,7 @@ sim_write (addr, buffer, size)
   int i;
 
   init_pointers ();
-  if (addr < 0 || addr + size > MSIZE)
+  if (addr < 0 || addr + size > memory_size)
     return 0;
   for (i = 0; i < size; i++)
     {
@@ -1573,7 +1591,7 @@ sim_read (addr, buffer, size)
      int size;
 {
   init_pointers ();
-  if (addr < 0 || addr + size > MSIZE)
+  if (addr < 0 || addr + size > memory_size)
     return 0;
   memcpy (buffer, cpu.memory + addr, size);
   return size;
@@ -1816,3 +1834,20 @@ sim_create_inferior (start_address, argv, env)
 {
   cpu.pc = start_address;
 }
+
+void
+sim_do_command (cmd)
+     char *cmd;
+{
+  printf_filtered ("This simulator does not accept any commands.\n");
+}
+
+
+
+void
+sim_set_callbacks (ptr)
+struct host_callback_struct *ptr;
+{
+
+}
+

diff --git a/sim/h8300/run.c b/sim/h8300/run.c
index 97841269a7035708934f3fb78c1fb63383f34759..b7dd77cca4cd1b95cf428fe1c3c50cabfbaf86b7 100644 (file)
--- a/sim/h8300/run.c
+++ b/sim/h8300/run.c
@@ -22,6 +22,7 @@
 
 #include <varargs.h>
 #include <stdio.h>
+#include <signal.h>
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
@@ -45,6 +46,8 @@ main (ac, av)
   int verbose = 0;
   int trace = 0;
   char *name = "";
+  int sigrc;
+  enum sim_stop reason;
 
   while ((i = getopt (ac, av, "c:htv")) != EOF)
     switch (i) 
@@ -95,6 +98,11 @@ main (ac, av)
          sim_resume(0,0);
          if (verbose)
            sim_info (verbose - 1);
+         sim_stop_reason (&reason, &sigrc);
+         /* FIXME: this test is insufficient but we can't do much
+            about it until sim_stop_reason is cleaned up.  */
+         if (sigrc == SIGILL)
+           abort ();
          return 0;
        }
     }