/* Target-dependent code for the Motorola 88000 series.
- Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2004-2014 Free Software Foundation, Inc.
This file is part of GDB.
#include "value.h"
#include "gdb_assert.h"
-#include "gdb_string.h"
+#include <string.h>
#include "m88k-tdep.h"
/* Fetch the instruction at PC. */
static unsigned long
-m88k_fetch_instruction (CORE_ADDR pc)
+m88k_fetch_instruction (CORE_ADDR pc, enum bfd_endian byte_order)
{
- return read_memory_unsigned_integer (pc, 4);
+ return read_memory_unsigned_integer (pc, 4, byte_order);
}
/* Register information. */
}
/* Return the GDB type object for the "standard" data type of data in
- register REGNUM. */
+ register REGNUM. */
static struct type *
m88k_register_type (struct gdbarch *gdbarch, int regnum)
/* SXIP, SNIP, SFIP and R1 contain code addresses. */
if ((regnum >= M88K_SXIP_REGNUM && regnum <= M88K_SFIP_REGNUM)
|| regnum == M88K_R1_REGNUM)
- return builtin_type_void_func_ptr;
+ return builtin_type (gdbarch)->builtin_func_ptr;
/* R30 and R31 typically contains data addresses. */
if (regnum == M88K_R30_REGNUM || regnum == M88K_R31_REGNUM)
- return builtin_type_void_data_ptr;
+ return builtin_type (gdbarch)->builtin_data_ptr;
- return builtin_type_int32;
+ return builtin_type (gdbarch)->builtin_int32;
}
\f
static CORE_ADDR
-m88k_addr_bits_remove (CORE_ADDR addr)
+m88k_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr)
{
/* All instructures are 4-byte aligned. The lower 2 bits of SXIP,
SNIP and SFIP are used for special purposes: bit 0 is the
CORE_ADDR pc;
pc = frame_unwind_register_unsigned (next_frame, M88K_SXIP_REGNUM);
- return m88k_addr_bits_remove (pc);
+ return m88k_addr_bits_remove (gdbarch, pc);
}
static void
m88k_store_arguments (struct regcache *regcache, int nargs,
struct value **args, CORE_ADDR sp)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int num_register_words = 0;
int num_stack_words = 0;
int i;
if (m88k_integral_or_pointer_p (type) && len < 4)
{
- args[i] = value_cast (builtin_type_int32, args[i]);
+ args[i] = value_cast (builtin_type (gdbarch)->builtin_int32,
+ args[i]);
type = value_type (args[i]);
len = TYPE_LENGTH (type);
}
}
static struct frame_id
-m88k_unwind_dummy_id (struct gdbarch *arch, struct frame_info *next_frame)
+m88k_dummy_id (struct gdbarch *arch, struct frame_info *this_frame)
{
CORE_ADDR sp;
- sp = frame_unwind_register_unsigned (next_frame, M88K_R31_REGNUM);
- return frame_id_build (sp, frame_pc_unwind (next_frame));
+ sp = get_frame_register_unsigned (this_frame, M88K_R31_REGNUM);
+ return frame_id_build (sp, get_frame_pc (this_frame));
}
\f
from WRITEBUF into REGCACHE. */
static enum return_value_convention
-m88k_return_value (struct gdbarch *gdbarch, struct type *type,
- struct regcache *regcache, gdb_byte *readbuf,
- const gdb_byte *writebuf)
+m88k_return_value (struct gdbarch *gdbarch, struct value *function,
+ struct type *type, struct regcache *regcache,
+ gdb_byte *readbuf, const gdb_byte *writebuf)
{
int len = TYPE_LENGTH (type);
gdb_byte buf[8];
prologue. */
static CORE_ADDR
-m88k_analyze_prologue (CORE_ADDR pc, CORE_ADDR limit,
+m88k_analyze_prologue (struct gdbarch *gdbarch,
+ CORE_ADDR pc, CORE_ADDR limit,
struct m88k_frame_cache *cache)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR end = limit;
/* Provide a dummy cache if necessary. */
while (pc < limit)
{
struct m88k_prologue_insn *pi = m88k_prologue_insn_table;
- unsigned long insn = m88k_fetch_instruction (pc);
+ unsigned long insn = m88k_fetch_instruction (pc, byte_order);
while ((insn & pi->mask) != pi->insn)
pi++;
return sal.end;
}
- return m88k_analyze_prologue (pc, pc + m88k_max_prologue_size, NULL);
+ return m88k_analyze_prologue (gdbarch, pc, pc + m88k_max_prologue_size,
+ NULL);
}
-struct m88k_frame_cache *
-m88k_frame_cache (struct frame_info *next_frame, void **this_cache)
+static struct m88k_frame_cache *
+m88k_frame_cache (struct frame_info *this_frame, void **this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct m88k_frame_cache *cache;
CORE_ADDR frame_sp;
return *this_cache;
cache = FRAME_OBSTACK_ZALLOC (struct m88k_frame_cache);
- cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+ cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
cache->fp_offset = -1;
- cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
+ cache->pc = get_frame_func (this_frame);
if (cache->pc != 0)
- m88k_analyze_prologue (cache->pc, frame_pc_unwind (next_frame), cache);
+ m88k_analyze_prologue (gdbarch, cache->pc, get_frame_pc (this_frame),
+ cache);
/* Calculate the stack pointer used in the prologue. */
if (cache->fp_offset != -1)
{
CORE_ADDR fp;
- fp = frame_unwind_register_unsigned (next_frame, M88K_R30_REGNUM);
+ fp = get_frame_register_unsigned (this_frame, M88K_R30_REGNUM);
frame_sp = fp - cache->fp_offset;
}
else
solid guess at what the frame pointer should be. */
if (cache->saved_regs[M88K_R1_REGNUM].addr != -1)
cache->fp_offset = cache->saved_regs[M88K_R1_REGNUM].addr - 4;
- frame_sp = frame_unwind_register_unsigned (next_frame, M88K_R31_REGNUM);
+ frame_sp = get_frame_register_unsigned (this_frame, M88K_R31_REGNUM);
}
/* Now that we know the stack pointer, adjust the location of the
}
static void
-m88k_frame_this_id (struct frame_info *next_frame, void **this_cache,
+m88k_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
{
- struct m88k_frame_cache *cache = m88k_frame_cache (next_frame, this_cache);
+ struct m88k_frame_cache *cache = m88k_frame_cache (this_frame, this_cache);
/* This marks the outermost frame. */
if (cache->base == 0)
(*this_id) = frame_id_build (cache->base, cache->pc);
}
-static void
-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, gdb_byte *valuep)
+static struct value *
+m88k_frame_prev_register (struct frame_info *this_frame,
+ void **this_cache, int regnum)
{
- struct m88k_frame_cache *cache = m88k_frame_cache (next_frame, this_cache);
+ struct m88k_frame_cache *cache = m88k_frame_cache (this_frame, this_cache);
if (regnum == M88K_SNIP_REGNUM || regnum == M88K_SFIP_REGNUM)
{
- if (valuep)
- {
- CORE_ADDR pc;
+ struct value *value;
+ CORE_ADDR pc;
- trad_frame_get_prev_register (next_frame, cache->saved_regs,
- M88K_SXIP_REGNUM, optimizedp,
- lvalp, addrp, realnump, valuep);
+ value = trad_frame_get_prev_register (this_frame, cache->saved_regs,
+ M88K_SXIP_REGNUM);
+ pc = value_as_long (value);
+ release_value (value);
+ value_free (value);
- pc = extract_unsigned_integer (valuep, 4);
- if (regnum == M88K_SFIP_REGNUM)
- pc += 4;
- store_unsigned_integer (valuep, 4, pc + 4);
- }
+ if (regnum == M88K_SFIP_REGNUM)
+ pc += 4;
- /* It's a computed value. */
- *optimizedp = 0;
- *lvalp = not_lval;
- *addrp = 0;
- *realnump = -1;
- return;
+ return frame_unwind_got_constant (this_frame, regnum, pc + 4);
}
- trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
- optimizedp, lvalp, addrp, realnump, valuep);
+ return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);
}
static const struct frame_unwind m88k_frame_unwind =
{
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
m88k_frame_this_id,
- m88k_frame_prev_register
+ m88k_frame_prev_register,
+ NULL,
+ default_frame_sniffer
};
-
-static const struct frame_unwind *
-m88k_frame_sniffer (struct frame_info *next_frame)
-{
- return &m88k_frame_unwind;
-}
\f
static CORE_ADDR
-m88k_frame_base_address (struct frame_info *next_frame, void **this_cache)
+m88k_frame_base_address (struct frame_info *this_frame, void **this_cache)
{
- struct m88k_frame_cache *cache = m88k_frame_cache (next_frame, this_cache);
+ struct m88k_frame_cache *cache = m88k_frame_cache (this_frame, this_cache);
if (cache->fp_offset != -1)
return cache->base + cache->sp_offset + cache->fp_offset;
/* Call dummy code. */
set_gdbarch_push_dummy_call (gdbarch, m88k_push_dummy_call);
- set_gdbarch_unwind_dummy_id (gdbarch, m88k_unwind_dummy_id);
+ set_gdbarch_dummy_id (gdbarch, m88k_dummy_id);
- /* Return value info */
+ /* Return value info. */
set_gdbarch_return_value (gdbarch, m88k_return_value);
set_gdbarch_addr_bits_remove (gdbarch, m88k_addr_bits_remove);
set_gdbarch_write_pc (gdbarch, m88k_write_pc);
frame_base_set_default (gdbarch, &m88k_frame_base);
- frame_unwind_append_sniffer (gdbarch, m88k_frame_sniffer);
+ frame_unwind_append_unwinder (gdbarch, &m88k_frame_unwind);
return gdbarch;
}
projects / deliverable / binutils-gdb.git / blobdiff