/* Target-dependent code for Hitachi H8/500, for GDB.
Copyright 1993, 1994, 1995 Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
/*
- Contributed by Steve Chamberlain
- sac@cygnus.com
+ Contributed by Steve Chamberlain
+ sac@cygnus.com
*/
#include "defs.h"
arg-2
arg-1
return address <2 or 4 bytes>
- old fp <2 bytes>
+ old fp <2 bytes>
auto-n
..
auto-1
saved registers
-*/
+ */
/* an easy to debug H8 stack frame looks like:
-0x6df6 push r6
-0x0d76 mov.w r7,r6
-0x6dfn push reg
-0x7905 nnnn mov.w #n,r5 or 0x1b87 subs #2,sp
-0x1957 sub.w r5,sp
+ 0x6df6 push r6
+ 0x0d76 mov.w r7,r6
+ 0x6dfn push reg
+ 0x7905 nnnn mov.w #n,r5 or 0x1b87 subs #2,sp
+ 0x1957 sub.w r5,sp
*/
return start_pc;
}
+CORE_ADDR
+h8500_addr_bits_remove (addr)
+ CORE_ADDR addr;
+{
+ return ((addr) & 0xffffff);
+}
+
/* Given a GDB frame, determine the address of the calling function's frame.
This will be used to create a new GDB frame struct, and then
INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame.
/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
is not the address of a valid instruction, the address of the next
instruction beyond ADDR otherwise. *PWORD1 receives the first word
- of the instruction.*/
+ of the instruction. */
CORE_ADDR
NEXT_PROLOGUE_INSN (addr, lim, pword1)
return read_memory_integer (FRAME_FP (frame) + 2, PTR_SIZE);
}
-void
+void
h8500_pop_frame ()
{
unsigned regnum;
{
pc = get_pc_function_start ((frame_info)->pc);
/* Verify we have a link a6 instruction next;
- if not we lose. If we win, find the address above the saved
- regs using the amount of storage from the link instruction.
- */
+ if not we lose. If we win, find the address above the saved
+ regs using the amount of storage from the link instruction.
+ */
thebyte = read_memory_integer (pc, 1);
if (0x1f == thebyte)
return x;
}
-#if 0 /* never called */
-/* Nonzero if instruction at PC is a return instruction. */
-
-int
-about_to_return (pc)
- CORE_ADDR pc;
-{
- int b1 = read_memory_integer (pc, 1);
-
- switch (b1)
- {
- case 0x14: /* rtd #8 */
- case 0x1c: /* rtd #16 */
- case 0x19: /* rts */
- case 0x1a: /* rte */
- return 1;
- case 0x11:
- {
- int b2 = read_memory_integer (pc + 1, 1);
- switch (b2)
- {
- case 0x18: /* prts */
- case 0x14: /* prtd #8 */
- case 0x16: /* prtd #16 */
- return 1;
- }
- }
- }
- return 0;
-}
-#endif
-
void
h8500_set_pointer_size (newsize)
int newsize;
regval = regbuf[0] << 16;
get_saved_register (regbuf, NULL, NULL, selected_frame, regnum, NULL);
- regval |= regbuf[0] << 8 | regbuf[1]; /* XXX host/target byte order */
+ regval |= regbuf[0] << 8 | regbuf[1]; /* XXX host/target byte order */
free (var->value); /* Free up old value */
struct type *type;
enum type_code newval_type_code;
- type = VALUE_TYPE (newval);
+ type = check_typedef (VALUE_TYPE (newval));
newval_type_code = TYPE_CODE (type);
if ((newval_type_code != TYPE_CODE_INT
&& newval_type_code != TYPE_CODE_PTR)
|| TYPE_LENGTH (type) != sizeof (new_regval))
error ("Illegal type (%s) for assignment to $%s\n",
- TYPE_NAME (type), var->name);
+ TYPE_NAME (VALUE_TYPE (newval)), var->name);
new_regval = *(long *) VALUE_CONTENTS_RAW (newval);
&setlist);
add_cmd ("small", class_support, small_command,
- "Set small memory model. (16 bit code, 16 bit data)", &setmemorylist);
+ "Set small memory model. (16 bit code, 16 bit data)", &setmemorylist);
add_cmd ("big", class_support, big_command,
- "Set big memory model. (32 bit code, 32 bit data)", &setmemorylist);
+ "Set big memory model. (32 bit code, 32 bit data)", &setmemorylist);
add_cmd ("medium", class_support, medium_command,
- "Set medium memory model. (32 bit code, 16 bit data)", &setmemorylist);
+ "Set medium memory model. (32 bit code, 16 bit data)", &setmemorylist);
add_cmd ("compact", class_support, compact_command,
- "Set compact memory model. (16 bit code, 32 bit data)", &setmemorylist);
+ "Set compact memory model. (16 bit code, 32 bit data)", &setmemorylist);
}
projects / deliverable / binutils-gdb.git / blobdiff