/* Target-machine dependent code for Zilog Z8000, for GDB.
- Copyright (C) 1992,1993 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
This file is part of GDB.
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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
Contributed by Steve Chamberlain
#include "symtab.h"
#include "gdbcmd.h"
#include "gdbtypes.h"
+#include "dis-asm.h"
+#include "gdbcore.h"
/* Return the saved PC from this frame.
CORE_ADDR
frame_saved_pc (frame)
- FRAME frame;
+ struct frame_info *frame;
{
- return (read_memory_pointer (frame->frame + (BIG ? 4 : 2)));
+ return read_memory_pointer (frame->frame + (BIG ? 4 : 2));
}
#define IS_PUSHL(x) (BIG ? ((x & 0xfff0) == 0x91e0):((x & 0xfff0) == 0x91F0))
return x & PTR_MASK;
}
+int
read_memory_pointer (x)
CORE_ADDR x;
{
-
return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
}
-FRAME_ADDR
+CORE_ADDR
frame_chain (thisframe)
- FRAME thisframe;
+ struct frame_info *thisframe;
{
if (thisframe->prev == 0)
{
/* This is the top of the stack, let's get the sp for real */
}
- if (!inside_entry_file ((thisframe)->pc))
+ if (!inside_entry_file (thisframe->pc))
{
- return read_memory_pointer ((thisframe)->frame);
+ return read_memory_pointer (thisframe->frame);
}
return 0;
}
CORE_ADDR pc;
int w;
- bzero (frame_saved_regs, sizeof (*frame_saved_regs));
+ memset (frame_saved_regs, '\0', sizeof (*frame_saved_regs));
pc = get_pc_function_start (frame_info->pc);
/* wander down the instruction stream */
}
int
-print_insn (memaddr, stream)
- CORE_ADDR memaddr;
- FILE *stream;
+gdb_print_insn_z8k (memaddr, info)
+ bfd_vma memaddr;
+ disassemble_info *info;
{
- char temp[20];
- disassemble_info info;
-
- GDB_INIT_DISASSEMBLE_INFO(info, stream);
-
- read_memory (memaddr, temp, 20);
if (BIG)
- {
- return print_insn_z8001 (memaddr, temp, &info);
- }
+ return print_insn_z8001 (memaddr, info);
else
- {
- return print_insn_z8002 (memaddr, temp, &info);
- }
+ return print_insn_z8002 (memaddr, info);
}
/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
CORE_ADDR lim;
short *pword1;
{
+ char buf[2];
if (addr < lim + 8)
{
- read_memory (addr, pword1, sizeof (*pword1));
- SWAP_TARGET_AND_HOST (pword1, sizeof (short));
+ read_memory (addr, buf, 2);
+ *pword1 = extract_signed_integer (buf, 2);
return addr + 2;
}
-
return 0;
-
}
/* Put here the code to store, into a struct frame_saved_regs,
pc = skip_adjust (get_pc_function_start (fip->pc), &locals);
{
- adr = fip->frame - locals;
+ adr = FRAME_FP (fip) - locals;
for (i = 0; i < 8; i++)
{
int word = read_memory_short (pc);
}
-void
-addr_bits_set ()
-{
- abort ();
-}
-
int
saved_pc_after_call ()
{
}
-extract_return_value(type, regbuf, valbuf)
-struct type *type;
-char *regbuf;
-char *valbuf;
+extract_return_value (type, regbuf, valbuf)
+ struct type *type;
+ char *regbuf;
+ char *valbuf;
{
int b;
- int len = TYPE_LENGTH(type);
+ int len = TYPE_LENGTH (type);
- for (b = 0; b < len; b += 2) {
- int todo = len - b;
- if (todo > 2)
- todo = 2;
- memcpy(valbuf + b, regbuf + b, todo);
- }
+ for (b = 0; b < len; b += 2)
+ {
+ int todo = len - b;
+
+ if (todo > 2)
+ todo = 2;
+ memcpy (valbuf + b, regbuf + b, todo);
+ }
}
void
-write_return_value(type, valbuf)
-struct type *type;
-char *valbuf;
+write_return_value (type, valbuf)
+ struct type *type;
+ char *valbuf;
{
int reg;
int len;
- for (len = 0; len < TYPE_LENGTH(type); len += 2)
- {
- write_register_bytes(REGISTER_BYTE(len /2 + 2), valbuf + len, 2);
- }
+
+ for (len = 0; len < TYPE_LENGTH (type); len += 2)
+ write_register_bytes (REGISTER_BYTE (len / 2 + 2), valbuf + len, 2);
}
void
-store_struct_return(addr, sp)
-CORE_ADDR addr;
-CORE_ADDR sp;
+store_struct_return (addr, sp)
+ CORE_ADDR addr;
+ CORE_ADDR sp;
{
- write_register(2, addr);
+ write_register (2, addr);
}
read_relative_register_raw_bytes (regno, (char *) (l + 0));
read_relative_register_raw_bytes (regno + 1, (char *) (l + 1));
- printf ("\t");
- printf ("%04x%04x", l[0], l[1]);
+ printf_unfiltered ("\t");
+ printf_unfiltered ("%04x%04x", l[0], l[1]);
}
if ((regno & 3) == 0 && regno < 16)
read_relative_register_raw_bytes (regno + 2, (char *) (l + 2));
read_relative_register_raw_bytes (regno + 3, (char *) (l + 3));
- printf ("\t");
- printf ("%04x%04x%04x%04x", l[0], l[1], l[2], l[3]);
+ printf_unfiltered ("\t");
+ printf_unfiltered ("%04x%04x%04x%04x", l[0], l[1], l[2], l[3]);
}
if (regno == 15)
{
read_relative_register_raw_bytes (regno, (char *) (&rval));
- printf ("\n");
+ printf_unfiltered ("\n");
for (i = 0; i < 10; i += 2)
{
- printf ("(sp+%d=%04x)", i, read_memory_short (rval + i));
+ printf_unfiltered ("(sp+%d=%04x)", i, read_memory_short (rval + i));
}
}
}
-void
-register_convert_to_virtual (regnum, from, to)
- unsigned char *from;
- unsigned char *to;
-{
- to[0] = from[0];
- to[1] = from[1];
- to[2] = from[2];
- to[3] = from[3];
-}
-
-void
-register_convert_to_raw (regnum, to, from)
- char *to;
- char *from;
-{
- to[0] = from[0];
- to[1] = from[1];
- to[2] = from[2];
- to[3] = from[3];
-}
-
void
z8k_pop_frame ()
{
if (oldsize != newsize)
{
- printf ("pointer size set to %d bits\n", newsize);
+ printf_unfiltered ("pointer size set to %d bits\n", newsize);
oldsize = newsize;
if (newsize == 32)
{
int from_tty;
{
z8k_set_pointer_size (16);
-
}
static void
char *args;
int from_tty;
{
- printf ("\"set memory\" must be followed by the name of a memory subcommand.\n");
- help_list (setmemorylist, "set memory ", -1, stdout);
+ printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
+ help_list (setmemorylist, "set memory ", -1, gdb_stdout);
}
+void
_initialize_z8ktdep ()
{
+ tm_print_insn = gdb_print_insn_z8k;
+
add_prefix_cmd ("memory", no_class, set_memory,
"set the memory model", &setmemorylist, "set memory ", 0,
&setlist);
projects / binutils.git / blobdiff