/* Target-dependent code for the Motorola 88000 series.
- Copyright 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "arch-utils.h"
*LEN and optionally adjust *PC to point to the correct memory
location for inserting the breakpoint. */
-static const unsigned char *
+static const gdb_byte *
m88k_breakpoint_from_pc (CORE_ADDR *pc, int *len)
{
/* tb 0,r0,511 */
- static unsigned char break_insn[] = { 0xf0, 0x00, 0xd1, 0xff };
+ static gdb_byte break_insn[] = { 0xf0, 0x00, 0xd1, 0xff };
*len = sizeof (break_insn);
return break_insn;
}
static void
-m88k_write_pc (CORE_ADDR pc, ptid_t ptid)
+m88k_write_pc (struct regcache *regcache, CORE_ADDR pc)
{
/* According to the MC88100 RISC Microprocessor User's Manual,
section 6.4.3.1.2:
with it. We could even (presumably) give it a totally bogus
value. */
- write_register_pid (M88K_SXIP_REGNUM, pc, ptid);
- write_register_pid (M88K_SNIP_REGNUM, pc | 2, ptid);
- write_register_pid (M88K_SFIP_REGNUM, (pc + 4) | 2, ptid);
+ regcache_cooked_write_unsigned (regcache, M88K_SXIP_REGNUM, pc);
+ regcache_cooked_write_unsigned (regcache, M88K_SNIP_REGNUM, pc | 2);
+ regcache_cooked_write_unsigned (regcache, M88K_SFIP_REGNUM, (pc + 4) | 2);
}
\f
for (i = 0; i < nargs; i++)
{
- struct type *type = VALUE_TYPE (args[i]);
+ struct type *type = value_type (args[i]);
int len = TYPE_LENGTH (type);
if (m88k_integral_or_pointer_p (type) && len < 4)
{
args[i] = value_cast (builtin_type_int32, args[i]);
- type = VALUE_TYPE (args[i]);
+ type = value_type (args[i]);
len = TYPE_LENGTH (type);
}
for (i = 0; i < nargs; i++)
{
- char *valbuf = VALUE_CONTENTS (args[i]);
- struct type *type = VALUE_TYPE (args[i]);
+ const bfd_byte *valbuf = value_contents (args[i]);
+ struct type *type = value_type (args[i]);
int len = TYPE_LENGTH (type);
int stack_word = num_stack_words;
}
static CORE_ADDR
-m88k_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
+m88k_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr, int nargs,
struct value **args, CORE_ADDR sp, int struct_return,
CORE_ADDR struct_addr)
static enum return_value_convention
m88k_return_value (struct gdbarch *gdbarch, struct type *type,
- struct regcache *regcache, void *readbuf,
- const void *writebuf)
+ struct regcache *regcache, gdb_byte *readbuf,
+ const gdb_byte *writebuf)
{
int len = TYPE_LENGTH (type);
- char buf[8];
+ gdb_byte buf[8];
if (!m88k_integral_or_pointer_p (type) && !m88k_floating_p (type))
return RETURN_VALUE_STRUCT_CONVENTION;
the instruction in the delay slot might be. Limit the
prologue analysis to the delay slot and record the branch
instruction as the end of the prologue. */
- limit = pc + M88K_INSN_SIZE;
+ limit = min (limit, pc + 2 * M88K_INSN_SIZE);
end = pc;
break;
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
cache->fp_offset = -1;
- cache->pc = frame_func_unwind (next_frame);
+ cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
if (cache->pc != 0)
- {
- CORE_ADDR addr_in_block = frame_unwind_address_in_block (next_frame);
- m88k_analyze_prologue (cache->pc, addr_in_block, cache);
- }
+ m88k_analyze_prologue (cache->pc, frame_pc_unwind (next_frame), cache);
/* Calculate the stack pointer used in the prologue. */
if (cache->fp_offset != -1)
m88k_frame_prev_register (struct frame_info *next_frame, void **this_cache,
int regnum, int *optimizedp,
enum lval_type *lvalp, CORE_ADDR *addrp,
- int *realnump, void *valuep)
+ int *realnump, gdb_byte *valuep)
{
struct m88k_frame_cache *cache = m88k_frame_cache (next_frame, this_cache);
{
CORE_ADDR pc;
- trad_frame_prev_register (next_frame, cache->saved_regs,
- M88K_SXIP_REGNUM, optimizedp,
- lvalp, addrp, realnump, valuep);
+ trad_frame_get_prev_register (next_frame, cache->saved_regs,
+ M88K_SXIP_REGNUM, optimizedp,
+ lvalp, addrp, realnump, valuep);
pc = extract_unsigned_integer (valuep, 4);
- if (regnum == M88K_SNIP_REGNUM)
+ if (regnum == M88K_SFIP_REGNUM)
pc += 4;
- else if (regnum == M88K_SFIP_REGNUM)
- pc += 8;
- store_unsigned_integer (valuep, 4, pc);
+ store_unsigned_integer (valuep, 4, pc + 4);
}
/* It's a computed value. */
return;
}
- trad_frame_prev_register (next_frame, cache->saved_regs, regnum,
- optimizedp, lvalp, addrp, realnump, valuep);
+ trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
+ optimizedp, lvalp, addrp, realnump, valuep);
}
static const struct frame_unwind m88k_frame_unwind =
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- const char *regs = gregs;
+ const gdb_byte *regs = gregs;
int i;
for (i = 0; i < M88K_NUM_REGS; i++)
/* There is no real `long double'. */
set_gdbarch_long_double_bit (gdbarch, 64);
- set_gdbarch_long_double_format (gdbarch, &floatformat_ieee_double_big);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
set_gdbarch_num_regs (gdbarch, M88K_NUM_REGS);
set_gdbarch_register_name (gdbarch, m88k_register_name);