* gdbtypes.c (lookup_pointer_type): initialize the TYPE_LENGTH of

a ptype to reflect the setting of TARGET_PTR_BIT.  Set the
	TYPE_FLAGS of a ptype to TYPE_FLAG_UNSIGNED.
	* tm-h8300.h, h8300-tdep.c, remote-hms.c: personal checkpoint
	* printcmd.c (print_address): if ADDR_BITS_REMOVE is defined, use
	it before printing out the hex shape of an address.

gdb/ChangeLog

@@ -1,3 +1,12 @@
+Mon Mar  2 23:00:12 1992  Steve Chamberlain  (sac@thepub.cygnus.com)
+
+	* gdbtypes.c (lookup_pointer_type): initialize the TYPE_LENGTH of
+	a ptype to reflect the setting of TARGET_PTR_BIT.  Set the
+	TYPE_FLAGS of a ptype to TYPE_FLAG_UNSIGNED.
+	* tm-h8300.h, h8300-tdep.c, remote-hms.c: personal checkpoint
+	* printcmd.c (print_address): if ADDR_BITS_REMOVE is defined, use
+	it before printing out the hex shape of an address.
+
 Sun Mar  1 17:41:09 1992  Per Bothner  (bothner@cygnus.com)
 
 	* rs6000-xdep.c (frame_initial_stack_address):  Move

gdb/gdbtypes.c

@@ -80,12 +80,13 @@ lookup_pointer_type (type)
       TYPE_POINTER_TYPE (type) = ptype;
       
       /* We assume the machine has only one representation for pointers!  */
-      /* FIXME:  This confuses host<->target data representations, and is a
-	 poor assumption besides. */
       
-      TYPE_LENGTH (ptype) = sizeof (char *);
+      TYPE_LENGTH (ptype) = TARGET_PTR_BIT / TARGET_CHAR_BIT;
       TYPE_CODE (ptype) = TYPE_CODE_PTR;
       
+      /* pointers are unsigned */
+      TYPE_FLAGS(ptype) |= TYPE_FLAG_UNSIGNED;
+      
     }
   return (ptype);
 }

gdb/h8300-tdep.c

@@ -55,17 +55,17 @@ CORE_ADDR start_pc;
   /* Skip past all push insns */
   short int w;
   
-  w = read_memory_integer(start_pc, 2);
+  w = read_memory_short(start_pc);
   while (IS_PUSH(w)) 
   {
     start_pc+=2;  
-    w = read_memory_integer(start_pc, 2);
+    w = read_memory_short(start_pc);
   }
 
   /* Skip past a move to FP */
   if (IS_MOVE_FP(w)) {
       start_pc +=2 ;
-      w = read_memory_integer(start_pc, 2);
+      w = read_memory_short(start_pc);
     }
 
   return start_pc;  
@@ -287,7 +287,7 @@ examine_prologue (ip, limit, after_prolog_fp, fsr, fi)
   /* Locals are always reffed based from the fp */
   fi->locals_pointer = after_prolog_fp ;
   /* The PC is at a known place */
-  fi->from_pc = read_memory_integer(after_prolog_fp + reg_save_depth-2 , 2);
+  fi->from_pc = read_memory_short(after_prolog_fp + reg_save_depth-2 );
   
 
   /* Rememeber any others too */
@@ -307,7 +307,7 @@ examine_prologue (ip, limit, after_prolog_fp, fsr, fi)
   }	
   if (have_fp) 
    /* We keep the old FP in the SP spot */
-   fsr->regs[SP_REGNUM] = read_memory_integer(fsr->regs[6],2);
+   fsr->regs[SP_REGNUM] = (read_memory_short(fsr->regs[6])) ;
   else 
    fsr->regs[SP_REGNUM] = after_prolog_fp + reg_save_depth;
   
@@ -384,7 +384,7 @@ void h8300_pop_frame()
   {
     if(fsr.regs[regnum]) 
     {
-      write_register(regnum, read_memory_integer (fsr.regs[regnum], 2));
+      write_register(regnum, read_memory_short (fsr.regs[regnum]));
     }
   
     flush_cached_frames();

gdb/remote-hms.c

@@ -510,15 +510,30 @@ int	fromtty;
   {
     if (s->flags & SEC_LOAD) 
     {
-      char *buffer = xmalloc(s->_raw_size);
+      int i;
-      bfd_get_section_contents(abfd, s, buffer, 0, s->_raw_size);
 
-      hms_write_inferior_memory(s->vma, buffer, s->_raw_size);
+      
+#define DELTA 2048
+      char *buffer = xmalloc(DELTA);
+      printf_filtered("%s: %4x .. %4x  ",s->name, s->vma, s->vma + s->_raw_size);
+      for (i = 0; i < s->_raw_size; i+= DELTA) 
+      {
+	int delta = DELTA;
+	if (delta > s->_raw_size - i)
+	 delta = s->_raw_size - i ;
+
+	bfd_get_section_contents(abfd, s, buffer, i, delta);
+	hms_write_inferior_memory(s->vma + i, buffer, delta);
+	printf_filtered("*");
+	fflush(stdout);
+      }
+  printf_filtered(  "\n");      
       free(buffer);
     }
     s = s->next;
   }
 
+  
   DEXIT("hms_load()");
 }
 
@@ -545,15 +560,18 @@ hms_create_inferior (execfile, args, env)
   
   if (OPEN(hms_desc))
   {
-    
+char buffer[100];    
     hms_kill(NULL,NULL);	 
     hms_clear_breakpoints();
     init_wait_for_inferior ();
     /* Clear the input because what the hms sends back is different
      * depending on whether it was running or not.
      */
+/*sprintf(buffer,"g %x", entry_pt);
 
-    hms_write_cr("r");
+    hms_write_cr(buffer);
+	*/
+hms_write_cr("");
 
     expect_prompt();
 
@@ -680,6 +698,7 @@ set_rate()
 #endif
 
   ioctl (hms_desc, TIOCSETP, &sg);
+  
 }
 
 static void
@@ -690,14 +709,13 @@ get_baudrate_right()
   
   while (!is_baudrate_right()) 
   {
+    which_rate++;
+
     if (baudtab[which_rate].rate == -1)
     {
       which_rate = 0;
     }
-    else
+
-    {
-      which_rate++;
-    }
     
     baudrate = baudtab[which_rate].rate;
     printf_filtered("Board not responding, trying %d baud\n",baudrate);
@@ -860,9 +878,8 @@ hms_resume (step, sig)
   if (step)	
   {
     hms_write_cr("s");
+    expect("Step>");
     
-    hms_write("\003",1);
-    expect_prompt();
     /* Force the next hms_wait to return a trap.  Not doing anything
        about I/O from the target means that the user has to type
        "continue" to see any.  FIXME, this should be fixed.  */
@@ -871,7 +888,7 @@ hms_resume (step, sig)
   else
   {
     hms_write_cr("g");
-    expect("g\r");
+    expect("g");
   }
   DEXIT("hms_resume()");
 }
@@ -888,7 +905,7 @@ hms_wait (status)
      of the string cannot recur in the string, or we will not
      find some cases of the string in the input.  */
   
-  static char bpt[] = "At breakpoint:\r";
+  static char bpt[] = "At breakpoint:";
   /* It would be tempting to look for "\n[__exit + 0x8]\n"
      but that requires loading symbols with "yc i" and even if
      we did do that we don't know that the file has symbols.  */
@@ -920,20 +937,26 @@ hms_wait (status)
 
   timeout = 0;			/* Don't time out -- user program is running. */
   immediate_quit = 1;		/* Helps ability to QUIT */
-  while (1) {
+  while (1) 
+  {
     QUIT;			/* Let user quit and leave process running */
     ch_handled = 0;
     ch = readchar ();
-      if (ch == *bp) {
+    if (ch == *bp) 
+    {
 	bp++;
 	if (*bp == '\0')
 	 break;
 	ch_handled = 1;
 
 	*swallowed_p++ = ch;
-	} else
+      } 
+    else 
+    {
       bp = bpt;
-      if (ch == *ep || *ep == '?') {
+    }
+    if (ch == *ep || *ep == '?') 
+    {
 	ep++;
 	if (*ep == '\0')
 	 break;
@@ -941,8 +964,12 @@ hms_wait (status)
 	if (!ch_handled)
 	 *swallowed_p++ = ch;
 	ch_handled = 1;
-	} else
+      } 
+    else 
+    {
       ep = exitmsg;
+    }
+      
     if (!ch_handled) {
 	char *p;
 	/* Print out any characters which have been swallowed.  */
@@ -1081,8 +1108,6 @@ hms_fetch_registers ()
     linebuf[REGREPLY_SIZE] = 0;
     gottok = 0;    
     if (linebuf[0] == 'r' &&
-	linebuf[1] == '\r' &&
-	linebuf[2] == '\n' &&
 	linebuf[3] == 'P' &&
 	linebuf[4] == 'C' &&
 	linebuf[5] == '=' && 
@@ -1359,7 +1384,7 @@ hms_read_inferior_memory(memaddr, myaddr, len)
   if (memaddr & 0xf) abort();
   if (len != 16) abort();
   
-  sprintf(buffer, "m %4x %4x", start, end);
+  sprintf(buffer, "m %4x %4x", start & 0xffff, end & 0xffff);
   hms_write_cr(buffer);
   /* drop the echo and newline*/
   for (i = 0; i < 13; i++)
@@ -1410,7 +1435,7 @@ hms_read_inferior_memory(memaddr, myaddr, len)
   
   
   
-  hms_write("\003",1);
+  hms_write_cr(" ");
   expect_prompt();
   
 
@@ -1620,9 +1645,13 @@ char *s;
     }  
 }
 
-static hms_speed(s)
+static 
+hms_speed(s)
 char *s;
 {
+check_open();
+
+  
   if (s) 
   {
     char buffer[100];
@@ -1637,18 +1666,15 @@ char *s;
       which++;
     }
     
-
-    
     printf_filtered("Checking target is in sync\n");
     
-    
     get_baudrate_right();
     baudrate = newrate;
     printf_filtered("Sending commands to set target to %d\n",
 		    baudrate);    
     
     sprintf(buffer, "tm %d. N 8 1", baudrate);
-    hms_write(buffer);
+    hms_write_cr(buffer);
   }    
 }
 

gdb/tm-h8300.h

@@ -44,11 +44,12 @@ extern void init_extra_frame_info ();
 
 
 #define IEEE_FLOAT
-
 /* Define the bit, byte, and word ordering of the machine.  */
 #define TARGET_BYTE_ORDER BIG_ENDIAN
 #undef TARGET_INT_BIT
 #define TARGET_INT_BIT 16
+#undef TARGET_PTR_BIT
+#define TARGET_PTR_BIT 16
 
 
 /* Offset from address of function to start of its code.
@@ -304,3 +305,8 @@ UNSIGNED_SHORT(read_memory_integer (read_register (SP_REGNUM), 2))
 #define NAMES_HAVE_UNDERSCORE
 
 typedef unsigned short INSN_WORD;
+
+#define ADDR_BITS_REMOVE(addr) ((addr) & 0xffff)
+#define ADDR_BITS_SET(addr) (((addr)))
+
+#define read_memory_short(x)  (read_memory_integer(x,2) & 0xffff)