/* Target-dependent code for Motorola 68HC11 & 68HC12
- Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by Stephane Carrez, stcarrez@nerim.fr
This file is part of GDB.
#include "objfiles.h"
#include "arch-utils.h"
#include "regcache.h"
+#include "reggroups.h"
#include "target.h"
#include "opcode/m68hc11.h"
#define M68HC11_REG_SIZE (2)
+#define M68HC12_NUM_REGS (9)
+#define M68HC12_NUM_PSEUDO_REGS ((M68HC11_MAX_SOFT_REGS+5)+1-1)
+#define M68HC12_HARD_PC_REGNUM (SOFT_D32_REGNUM+1)
+
struct insn_sequence;
struct gdbarch_tdep
{
struct regcache *regcache,
int regno, void *buf)
{
+ /* The PC is a pseudo reg only for 68HC12 with the memory bank
+ addressing mode. */
+ if (regno == M68HC12_HARD_PC_REGNUM)
+ {
+ ULONGEST pc;
+ const int regsize = TYPE_LENGTH (builtin_type_uint32);
+
+ regcache_cooked_read_unsigned (regcache, HARD_PC_REGNUM, &pc);
+ if (pc >= 0x8000 && pc < 0xc000)
+ {
+ ULONGEST page;
+
+ regcache_cooked_read_unsigned (regcache, HARD_PAGE_REGNUM, &page);
+ pc -= 0x8000;
+ pc += (page << 14);
+ pc += 0x1000000;
+ }
+ store_unsigned_integer (buf, regsize, pc);
+ return;
+ }
+
m68hc11_initialize_register_info ();
/* Fetch a soft register: translate into a memory read. */
struct regcache *regcache,
int regno, const void *buf)
{
+ /* The PC is a pseudo reg only for 68HC12 with the memory bank
+ addressing mode. */
+ if (regno == M68HC12_HARD_PC_REGNUM)
+ {
+ const int regsize = TYPE_LENGTH (builtin_type_uint32);
+ char *tmp = alloca (regsize);
+ CORE_ADDR pc;
+
+ memcpy (tmp, buf, regsize);
+ pc = extract_unsigned_integer (tmp, regsize);
+ if (pc >= 0x1000000)
+ {
+ pc -= 0x1000000;
+ regcache_cooked_write_unsigned (regcache, HARD_PAGE_REGNUM,
+ (pc >> 14) & 0x0ff);
+ pc &= 0x03fff;
+ regcache_cooked_write_unsigned (regcache, HARD_PC_REGNUM,
+ pc + 0x8000);
+ }
+ else
+ regcache_cooked_write_unsigned (regcache, HARD_PC_REGNUM, pc);
+ return;
+ }
+
m68hc11_initialize_register_info ();
/* Store a soft register: translate into a memory write. */
static const char *
m68hc11_register_name (int reg_nr)
{
+ if (reg_nr == M68HC12_HARD_PC_REGNUM && USE_PAGE_REGISTER)
+ return "pc";
+ if (reg_nr == HARD_PC_REGNUM && USE_PAGE_REGISTER)
+ return "ppc";
+
if (reg_nr < 0)
return NULL;
if (reg_nr >= M68HC11_ALL_REGS)
m68hc11_saved_pc_after_call (struct frame_info *frame)
{
CORE_ADDR addr;
-
- addr = read_register (HARD_SP_REGNUM) + STACK_CORRECTION;
- addr &= 0x0ffff;
+ ULONGEST sp;
+
+ regcache_cooked_read_unsigned (current_regcache, HARD_SP_REGNUM, &sp);
+ sp += STACK_CORRECTION;
+ addr = sp & 0x0ffff;
return read_memory_integer (addr, 2) & 0x0FFFF;
}
static CORE_ADDR
m68hc11_frame_saved_pc (struct frame_info *frame)
{
- return frame->extra_info->return_pc;
+ return get_frame_extra_info (frame)->return_pc;
}
static CORE_ADDR
{
CORE_ADDR addr;
- addr = frame->frame + frame->extra_info->size + STACK_CORRECTION + 2;
- if (frame->extra_info->return_kind == RETURN_RTC)
+ addr = get_frame_base (frame) + get_frame_extra_info (frame)->size + STACK_CORRECTION + 2;
+ if (get_frame_extra_info (frame)->return_kind == RETURN_RTC)
addr += 1;
- else if (frame->extra_info->return_kind == RETURN_RTI)
+ else if (get_frame_extra_info (frame)->return_kind == RETURN_RTI)
addr += 7;
return addr;
}
-static CORE_ADDR
-m68hc11_frame_locals_address (struct frame_info *frame)
-{
- return frame->frame;
-}
-
/* Discard from the stack the innermost frame, restoring all saved
registers. */
register CORE_ADDR fp, sp;
register int regnum;
- if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame),
+ get_frame_base (frame),
+ get_frame_base (frame)))
generic_pop_dummy_frame ();
else
{
- fp = FRAME_FP (frame);
- FRAME_INIT_SAVED_REGS (frame);
+ fp = get_frame_base (frame);
+ DEPRECATED_FRAME_INIT_SAVED_REGS (frame);
/* Copy regs from where they were saved in the frame. */
for (regnum = 0; regnum < M68HC11_ALL_REGS; regnum++)
- if (frame->saved_regs[regnum])
+ if (get_frame_saved_regs (frame)[regnum])
write_register (regnum,
- read_memory_integer (frame->saved_regs[regnum], 2));
+ read_memory_integer (get_frame_saved_regs (frame)[regnum], 2));
- write_register (HARD_PC_REGNUM, frame->extra_info->return_pc);
- sp = (fp + frame->extra_info->size + 2) & 0x0ffff;
+ write_register (HARD_PC_REGNUM, get_frame_extra_info (frame)->return_pc);
+ sp = (fp + get_frame_extra_info (frame)->size + 2) & 0x0ffff;
write_register (HARD_SP_REGNUM, sp);
}
flush_cached_frames ();
/* 68HC11 opcodes. */
#undef M6811_OP_PAGE2
-#define M6811_OP_PAGE2 (0x18)
-#define M6811_OP_LDX (0xde)
-#define M6811_OP_PSHX (0x3c)
-#define M6811_OP_STS (0x9f)
-#define M6811_OP_TSX (0x30)
-#define M6811_OP_XGDX (0x8f)
-#define M6811_OP_ADDD (0xc3)
-#define M6811_OP_TXS (0x35)
-#define M6811_OP_DES (0x34)
+#define M6811_OP_PAGE2 (0x18)
+#define M6811_OP_LDX (0xde)
+#define M6811_OP_LDX_EXT (0xfe)
+#define M6811_OP_PSHX (0x3c)
+#define M6811_OP_STS (0x9f)
+#define M6811_OP_STS_EXT (0xbf)
+#define M6811_OP_TSX (0x30)
+#define M6811_OP_XGDX (0x8f)
+#define M6811_OP_ADDD (0xc3)
+#define M6811_OP_TXS (0x35)
+#define M6811_OP_DES (0x34)
/* 68HC12 opcodes. */
-#define M6812_OP_PAGE2 (0x18)
-#define M6812_OP_MOVW (0x01)
-#define M6812_PB_PSHW (0xae)
-#define M6812_OP_STS (0x7f)
-#define M6812_OP_LEAS (0x1b)
-#define M6812_OP_PSHX (0x34)
-#define M6812_OP_PSHY (0x35)
+#define M6812_OP_PAGE2 (0x18)
+#define M6812_OP_MOVW (0x01)
+#define M6812_PB_PSHW (0xae)
+#define M6812_OP_STS (0x5f)
+#define M6812_OP_STS_EXT (0x7f)
+#define M6812_OP_LEAS (0x1b)
+#define M6812_OP_PSHX (0x34)
+#define M6812_OP_PSHY (0x35)
/* Operand extraction. */
#define OP_DIRECT (0x100) /* 8-byte direct addressing. */
M6811_OP_PSHX } },
{ P_SAVE_REG, 5, { M6811_OP_PAGE2, M6811_OP_LDX, OP_DIRECT,
M6811_OP_PAGE2, M6811_OP_PSHX } },
+ { P_SAVE_REG, 4, { M6811_OP_LDX_EXT, OP_IMM_HIGH, OP_IMM_LOW,
+ M6811_OP_PSHX } },
+ { P_SAVE_REG, 6, { M6811_OP_PAGE2, M6811_OP_LDX_EXT, OP_IMM_HIGH, OP_IMM_LOW,
+ M6811_OP_PAGE2, M6811_OP_PSHX } },
/* Sequences to allocate local variables. */
{ P_LOCAL_N, 7, { M6811_OP_TSX,
/* Initialize the frame pointer. */
{ P_SET_FRAME, 2, { M6811_OP_STS, OP_DIRECT } },
+ { P_SET_FRAME, 3, { M6811_OP_STS_EXT, OP_IMM_HIGH, OP_IMM_LOW } },
{ P_LAST, 0, { 0 } }
};
static struct insn_sequence m6812_prologue[] = {
{ P_SAVE_REG, 5, { M6812_OP_PAGE2, M6812_OP_MOVW, M6812_PB_PSHW,
OP_IMM_HIGH, OP_IMM_LOW } },
- { P_SET_FRAME, 3, { M6812_OP_STS, OP_IMM_HIGH, OP_IMM_LOW } },
+ { P_SET_FRAME, 2, { M6812_OP_STS, OP_DIRECT } },
+ { P_SET_FRAME, 3, { M6812_OP_STS_EXT, OP_IMM_HIGH, OP_IMM_LOW } },
{ P_LOCAL_N, 2, { M6812_OP_LEAS, OP_PBYTE } },
{ P_LOCAL_2, 1, { M6812_OP_PSHX } },
{ P_LOCAL_2, 1, { M6812_OP_PSHY } },
return pc;
}
-/* 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.
-*/
+/* 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 DEPRECATED_INIT_EXTRA_FRAME_INFO and DEPRECATED_INIT_FRAME_PC
+ will be called for the new frame. */
static CORE_ADDR
m68hc11_frame_chain (struct frame_info *frame)
{
CORE_ADDR addr;
- if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
- return frame->frame; /* dummy frame same as caller's frame */
+ if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame),
+ get_frame_base (frame),
+ get_frame_base (frame)))
+ return get_frame_base (frame); /* dummy frame same as caller's frame */
- if (frame->extra_info->return_pc == 0
- || inside_entry_file (frame->extra_info->return_pc))
+ if (get_frame_extra_info (frame)->return_pc == 0
+ || inside_entry_file (get_frame_extra_info (frame)->return_pc))
return (CORE_ADDR) 0;
- if (frame->frame == 0)
+ if (get_frame_base (frame) == 0)
{
return (CORE_ADDR) 0;
}
- addr = frame->frame + frame->extra_info->size + STACK_CORRECTION - 2;
+ addr = get_frame_base (frame) + get_frame_extra_info (frame)->size + STACK_CORRECTION - 2;
addr = read_memory_unsigned_integer (addr, 2) & 0x0FFFF;
return addr;
}
CORE_ADDR pc;
CORE_ADDR addr;
- if (fi->saved_regs == NULL)
+ if (get_frame_saved_regs (fi) == NULL)
frame_saved_regs_zalloc (fi);
else
- memset (fi->saved_regs, 0, sizeof (fi->saved_regs));
+ memset (get_frame_saved_regs (fi), 0, SIZEOF_FRAME_SAVED_REGS);
- pc = fi->pc;
- fi->extra_info->return_kind = m68hc11_get_return_insn (pc);
- m68hc11_guess_from_prologue (pc, fi->frame, &pc, &fi->extra_info->size,
- fi->saved_regs);
+ pc = get_frame_pc (fi);
+ get_frame_extra_info (fi)->return_kind = m68hc11_get_return_insn (pc);
+ m68hc11_guess_from_prologue (pc, get_frame_base (fi), &pc,
+ &get_frame_extra_info (fi)->size,
+ get_frame_saved_regs (fi));
- addr = fi->frame + fi->extra_info->size + STACK_CORRECTION;
+ addr = get_frame_base (fi) + get_frame_extra_info (fi)->size + STACK_CORRECTION;
if (soft_regs[SOFT_FP_REGNUM].name)
- fi->saved_regs[SOFT_FP_REGNUM] = addr - 2;
+ get_frame_saved_regs (fi)[SOFT_FP_REGNUM] = addr - 2;
/* Take into account how the function was called/returns. */
- if (fi->extra_info->return_kind == RETURN_RTC)
+ if (get_frame_extra_info (fi)->return_kind == RETURN_RTC)
{
- fi->saved_regs[HARD_PAGE_REGNUM] = addr;
+ get_frame_saved_regs (fi)[HARD_PAGE_REGNUM] = addr;
addr++;
}
- else if (fi->extra_info->return_kind == RETURN_RTI)
+ else if (get_frame_extra_info (fi)->return_kind == RETURN_RTI)
{
- fi->saved_regs[HARD_CCR_REGNUM] = addr;
- fi->saved_regs[HARD_D_REGNUM] = addr + 1;
- fi->saved_regs[HARD_X_REGNUM] = addr + 3;
- fi->saved_regs[HARD_Y_REGNUM] = addr + 5;
+ get_frame_saved_regs (fi)[HARD_CCR_REGNUM] = addr;
+ get_frame_saved_regs (fi)[HARD_D_REGNUM] = addr + 1;
+ get_frame_saved_regs (fi)[HARD_X_REGNUM] = addr + 3;
+ get_frame_saved_regs (fi)[HARD_Y_REGNUM] = addr + 5;
addr += 7;
}
- fi->saved_regs[HARD_SP_REGNUM] = addr;
- fi->saved_regs[HARD_PC_REGNUM] = fi->saved_regs[HARD_SP_REGNUM];
+ get_frame_saved_regs (fi)[HARD_SP_REGNUM] = addr;
+ get_frame_saved_regs (fi)[HARD_PC_REGNUM] = get_frame_saved_regs (fi)[HARD_SP_REGNUM];
}
static void
{
CORE_ADDR addr;
- fi->extra_info = (struct frame_extra_info *)
- frame_obstack_alloc (sizeof (struct frame_extra_info));
+ frame_extra_info_zalloc (fi, sizeof (struct frame_extra_info));
- if (fi->next)
- fi->pc = FRAME_SAVED_PC (fi->next);
+ if (get_next_frame (fi))
+ deprecated_update_frame_pc_hack (fi, DEPRECATED_FRAME_SAVED_PC (get_next_frame (fi)));
m68hc11_frame_init_saved_regs (fi);
if (fromleaf)
{
- fi->extra_info->return_kind = m68hc11_get_return_insn (fi->pc);
- fi->extra_info->return_pc = m68hc11_saved_pc_after_call (fi);
+ get_frame_extra_info (fi)->return_kind = m68hc11_get_return_insn (get_frame_pc (fi));
+ get_frame_extra_info (fi)->return_pc = m68hc11_saved_pc_after_call (fi);
}
else
{
- addr = fi->saved_regs[HARD_PC_REGNUM];
+ addr = get_frame_saved_regs (fi)[HARD_PC_REGNUM];
addr = read_memory_unsigned_integer (addr, 2) & 0x0ffff;
/* Take into account the 68HC12 specific call (PC + page). */
- if (fi->extra_info->return_kind == RETURN_RTC
+ if (get_frame_extra_info (fi)->return_kind == RETURN_RTC
&& addr >= 0x08000 && addr < 0x0c000
&& USE_PAGE_REGISTER)
{
- CORE_ADDR page_addr = fi->saved_regs[HARD_PAGE_REGNUM];
+ CORE_ADDR page_addr = get_frame_saved_regs (fi)[HARD_PAGE_REGNUM];
unsigned page = read_memory_unsigned_integer (page_addr, 1);
addr -= 0x08000;
addr += ((page & 0x0ff) << 14);
addr += 0x1000000;
}
- fi->extra_info->return_pc = addr;
+ get_frame_extra_info (fi)->return_pc = addr;
}
}
}
-/* Return a location where we can set a breakpoint that will be hit
- when an inferior function call returns. */
-CORE_ADDR
-m68hc11_call_dummy_address (void)
-{
- return entry_point_address ();
-}
+/* Return the GDB type object for the "standard" data type
+ of data in register N. */
static struct type *
-m68hc11_register_virtual_type (int reg_nr)
+m68hc11_register_type (struct gdbarch *gdbarch, int reg_nr)
{
switch (reg_nr)
{
case HARD_CCR_REGNUM:
return builtin_type_uint8;
+ case M68HC12_HARD_PC_REGNUM:
+ return builtin_type_uint32;
+
default:
return builtin_type_uint16;
}
}
static void
-m68hc11_store_return_value (struct type *type, char *valbuf)
+m68hc11_store_return_value (struct type *type, struct regcache *regcache,
+ const void *valbuf)
{
int len;
len = TYPE_LENGTH (type);
/* First argument is passed in D and X registers. */
- if (len <= 4)
+ if (len <= 2)
+ regcache_raw_write_part (regcache, HARD_D_REGNUM, 2 - len, len, valbuf);
+ else if (len <= 4)
{
- LONGEST v = extract_unsigned_integer (valbuf, len);
-
- write_register (HARD_D_REGNUM, v);
- if (len > 2)
- {
- v >>= 16;
- write_register (HARD_X_REGNUM, v);
- }
+ regcache_raw_write_part (regcache, HARD_X_REGNUM, 4 - len,
+ len - 2, valbuf);
+ regcache_raw_write (regcache, HARD_D_REGNUM, (char*) valbuf + (len - 2));
}
else
error ("return of value > 4 is not supported.");
}
-/* Given a return value in `regbuf' with a type `type',
+/* Given a return value in `regcache' with a type `type',
extract and copy its value into `valbuf'. */
static void
-m68hc11_extract_return_value (struct type *type,
- char *regbuf,
- char *valbuf)
+m68hc11_extract_return_value (struct type *type, struct regcache *regcache,
+ void *valbuf)
{
int len = TYPE_LENGTH (type);
-
+ char buf[M68HC11_REG_SIZE];
+
+ regcache_raw_read (regcache, HARD_D_REGNUM, buf);
switch (len)
{
case 1:
- memcpy (valbuf, ®buf[HARD_D_REGNUM * 2 + 1], len);
+ memcpy (valbuf, buf + 1, 1);
break;
-
+
case 2:
- memcpy (valbuf, ®buf[HARD_D_REGNUM * 2], len);
+ memcpy (valbuf, buf, 2);
break;
-
+
case 3:
- memcpy (&valbuf[0], ®buf[HARD_X_REGNUM * 2 + 1], 1);
- memcpy (&valbuf[1], ®buf[HARD_D_REGNUM * 2], 2);
+ memcpy ((char*) valbuf + 1, buf, 2);
+ regcache_raw_read (regcache, HARD_X_REGNUM, buf);
+ memcpy (valbuf, buf + 1, 1);
break;
-
+
case 4:
- memcpy (&valbuf[0], ®buf[HARD_X_REGNUM * 2], 2);
- memcpy (&valbuf[2], ®buf[HARD_D_REGNUM * 2], 2);
+ memcpy ((char*) valbuf + 2, buf, 2);
+ regcache_raw_read (regcache, HARD_X_REGNUM, buf);
+ memcpy (valbuf, buf, 2);
break;
default:
the address in which a function should return its structure value,
as a CORE_ADDR (or an expression that can be used as one). */
static CORE_ADDR
-m68hc11_extract_struct_value_address (char *regbuf)
+m68hc11_extract_struct_value_address (struct regcache *regcache)
{
- return extract_address (®buf[HARD_D_REGNUM * 2],
- REGISTER_RAW_SIZE (HARD_D_REGNUM));
+ char buf[M68HC11_REG_SIZE];
+
+ regcache_cooked_read (regcache, HARD_D_REGNUM, buf);
+ return extract_unsigned_integer (buf, M68HC11_REG_SIZE);
}
/* Function: push_return_address (pc)
return sp;
}
-/* Index within `registers' of the first byte of the space for
- register N. */
-static int
-m68hc11_register_byte (int reg_nr)
-{
- return (reg_nr * M68HC11_REG_SIZE);
-}
-
-static int
-m68hc11_register_raw_size (int reg_nr)
-{
- switch (reg_nr)
- {
- case HARD_PAGE_REGNUM:
- case HARD_A_REGNUM:
- case HARD_B_REGNUM:
- case HARD_CCR_REGNUM:
- return 1;
-
- default:
- return M68HC11_REG_SIZE;
- }
-}
-
/* Test whether the ELF symbol corresponds to a function using rtc or
rti to return. */
return print_insn_m68hc12 (memaddr, info);
}
+\f
+
+/* 68HC11/68HC12 register groups.
+ Identify real hard registers and soft registers used by gcc. */
+
+static struct reggroup *m68hc11_soft_reggroup;
+static struct reggroup *m68hc11_hard_reggroup;
+
+static void
+m68hc11_init_reggroups (void)
+{
+ m68hc11_hard_reggroup = reggroup_new ("hard", USER_REGGROUP);
+ m68hc11_soft_reggroup = reggroup_new ("soft", USER_REGGROUP);
+}
+
+static void
+m68hc11_add_reggroups (struct gdbarch *gdbarch)
+{
+ reggroup_add (gdbarch, m68hc11_hard_reggroup);
+ reggroup_add (gdbarch, m68hc11_soft_reggroup);
+ reggroup_add (gdbarch, general_reggroup);
+ reggroup_add (gdbarch, float_reggroup);
+ reggroup_add (gdbarch, all_reggroup);
+ reggroup_add (gdbarch, save_reggroup);
+ reggroup_add (gdbarch, restore_reggroup);
+ reggroup_add (gdbarch, vector_reggroup);
+ reggroup_add (gdbarch, system_reggroup);
+}
+
+static int
+m68hc11_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
+ struct reggroup *group)
+{
+ /* We must save the real hard register as well as gcc
+ soft registers including the frame pointer. */
+ if (group == save_reggroup || group == restore_reggroup)
+ {
+ return (regnum <= gdbarch_num_regs (gdbarch)
+ || ((regnum == SOFT_FP_REGNUM
+ || regnum == SOFT_TMP_REGNUM
+ || regnum == SOFT_ZS_REGNUM
+ || regnum == SOFT_XY_REGNUM)
+ && m68hc11_register_name (regnum)));
+ }
+
+ /* Group to identify gcc soft registers (d1..dN). */
+ if (group == m68hc11_soft_reggroup)
+ {
+ return regnum >= SOFT_D1_REGNUM && m68hc11_register_name (regnum);
+ }
+
+ if (group == m68hc11_hard_reggroup)
+ {
+ return regnum == HARD_PC_REGNUM || regnum == HARD_SP_REGNUM
+ || regnum == HARD_X_REGNUM || regnum == HARD_D_REGNUM
+ || regnum == HARD_Y_REGNUM || regnum == HARD_CCR_REGNUM;
+ }
+ return default_register_reggroup_p (gdbarch, regnum, group);
+}
+
static struct gdbarch *
m68hc11_gdbarch_init (struct gdbarch_info info,
struct gdbarch_list *arches)
gdbarch = gdbarch_alloc (&info, tdep);
tdep->elf_flags = elf_flags;
+ /* NOTE: cagney/2002-12-06: This can be deleted when this arch is
+ ready to unwind the PC first (see frame.c:get_prev_frame()). */
+ set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_default);
+
switch (info.bfd_arch_info->arch)
{
case bfd_arch_m68hc11:
tdep->stack_correction = 1;
tdep->use_page_register = 0;
tdep->prologue = m6811_prologue;
+ set_gdbarch_addr_bit (gdbarch, 16);
+ set_gdbarch_num_pseudo_regs (gdbarch, M68HC11_NUM_PSEUDO_REGS);
+ set_gdbarch_pc_regnum (gdbarch, HARD_PC_REGNUM);
+ set_gdbarch_num_regs (gdbarch, M68HC11_NUM_REGS);
break;
case bfd_arch_m68hc12:
tdep->stack_correction = 0;
tdep->use_page_register = elf_flags & E_M68HC12_BANKS;
tdep->prologue = m6812_prologue;
+ set_gdbarch_addr_bit (gdbarch, elf_flags & E_M68HC12_BANKS ? 32 : 16);
+ set_gdbarch_num_pseudo_regs (gdbarch,
+ elf_flags & E_M68HC12_BANKS
+ ? M68HC12_NUM_PSEUDO_REGS
+ : M68HC11_NUM_PSEUDO_REGS);
+ set_gdbarch_pc_regnum (gdbarch, elf_flags & E_M68HC12_BANKS
+ ? M68HC12_HARD_PC_REGNUM : HARD_PC_REGNUM);
+ set_gdbarch_num_regs (gdbarch, elf_flags & E_M68HC12_BANKS
+ ? M68HC12_NUM_REGS : M68HC11_NUM_REGS);
break;
default:
set_gdbarch_int_bit (gdbarch, elf_flags & E_M68HC11_I32 ? 32 : 16);
set_gdbarch_float_bit (gdbarch, 32);
set_gdbarch_double_bit (gdbarch, elf_flags & E_M68HC11_F64 ? 64 : 32);
- set_gdbarch_long_double_bit (gdbarch, elf_flags & E_M68HC11_F64 ? 64 : 32);
+ set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 16);
set_gdbarch_long_long_bit (gdbarch, 64);
+ /* Characters are unsigned. */
+ set_gdbarch_char_signed (gdbarch, 0);
+
/* Set register info. */
set_gdbarch_fp0_regnum (gdbarch, -1);
- set_gdbarch_max_register_raw_size (gdbarch, 2);
- set_gdbarch_max_register_virtual_size (gdbarch, 2);
- set_gdbarch_register_raw_size (gdbarch, m68hc11_register_raw_size);
- set_gdbarch_register_virtual_size (gdbarch, m68hc11_register_raw_size);
- set_gdbarch_register_byte (gdbarch, m68hc11_register_byte);
- set_gdbarch_frame_init_saved_regs (gdbarch, m68hc11_frame_init_saved_regs);
+ set_gdbarch_deprecated_frame_init_saved_regs (gdbarch, m68hc11_frame_init_saved_regs);
set_gdbarch_frame_args_skip (gdbarch, 0);
- set_gdbarch_read_pc (gdbarch, generic_target_read_pc);
set_gdbarch_write_pc (gdbarch, generic_target_write_pc);
- set_gdbarch_read_fp (gdbarch, generic_target_read_fp);
- set_gdbarch_read_sp (gdbarch, generic_target_read_sp);
- set_gdbarch_write_sp (gdbarch, generic_target_write_sp);
+ set_gdbarch_deprecated_dummy_write_sp (gdbarch, deprecated_write_sp);
- set_gdbarch_num_regs (gdbarch, M68HC11_NUM_REGS);
- set_gdbarch_num_pseudo_regs (gdbarch, M68HC11_NUM_PSEUDO_REGS);
set_gdbarch_sp_regnum (gdbarch, HARD_SP_REGNUM);
- set_gdbarch_fp_regnum (gdbarch, SOFT_FP_REGNUM);
- set_gdbarch_pc_regnum (gdbarch, HARD_PC_REGNUM);
+ set_gdbarch_deprecated_fp_regnum (gdbarch, SOFT_FP_REGNUM);
set_gdbarch_register_name (gdbarch, m68hc11_register_name);
- set_gdbarch_register_size (gdbarch, 2);
- set_gdbarch_register_bytes (gdbarch, M68HC11_ALL_REGS * 2);
- set_gdbarch_register_virtual_type (gdbarch, m68hc11_register_virtual_type);
+ set_gdbarch_register_type (gdbarch, m68hc11_register_type);
set_gdbarch_pseudo_register_read (gdbarch, m68hc11_pseudo_register_read);
set_gdbarch_pseudo_register_write (gdbarch, m68hc11_pseudo_register_write);
- set_gdbarch_use_generic_dummy_frames (gdbarch, 1);
- set_gdbarch_call_dummy_length (gdbarch, 0);
- set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
- set_gdbarch_call_dummy_address (gdbarch, m68hc11_call_dummy_address);
- set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1); /*???*/
- set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
- set_gdbarch_call_dummy_start_offset (gdbarch, 0);
- set_gdbarch_pc_in_call_dummy (gdbarch, generic_pc_in_call_dummy);
- set_gdbarch_call_dummy_words (gdbarch, m68hc11_call_dummy_words);
- set_gdbarch_sizeof_call_dummy_words (gdbarch,
- sizeof (m68hc11_call_dummy_words));
- set_gdbarch_call_dummy_p (gdbarch, 1);
- set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
- set_gdbarch_get_saved_register (gdbarch, generic_get_saved_register);
- set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
- set_gdbarch_deprecated_extract_return_value (gdbarch, m68hc11_extract_return_value);
- set_gdbarch_push_arguments (gdbarch, m68hc11_push_arguments);
- set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
- set_gdbarch_push_return_address (gdbarch, m68hc11_push_return_address);
+ set_gdbarch_deprecated_call_dummy_words (gdbarch, m68hc11_call_dummy_words);
+ set_gdbarch_deprecated_sizeof_call_dummy_words (gdbarch, sizeof (m68hc11_call_dummy_words));
+ set_gdbarch_deprecated_get_saved_register (gdbarch, deprecated_generic_get_saved_register);
+ set_gdbarch_extract_return_value (gdbarch, m68hc11_extract_return_value);
+ set_gdbarch_deprecated_push_arguments (gdbarch, m68hc11_push_arguments);
+ set_gdbarch_deprecated_push_return_address (gdbarch, m68hc11_push_return_address);
set_gdbarch_return_value_on_stack (gdbarch, m68hc11_return_value_on_stack);
- set_gdbarch_store_struct_return (gdbarch, m68hc11_store_struct_return);
+ set_gdbarch_deprecated_store_struct_return (gdbarch, m68hc11_store_struct_return);
set_gdbarch_store_return_value (gdbarch, m68hc11_store_return_value);
- set_gdbarch_deprecated_extract_struct_value_address (gdbarch, m68hc11_extract_struct_value_address);
- set_gdbarch_register_convertible (gdbarch, generic_register_convertible_not);
-
+ set_gdbarch_extract_struct_value_address (gdbarch, m68hc11_extract_struct_value_address);
- set_gdbarch_frame_chain (gdbarch, m68hc11_frame_chain);
- set_gdbarch_frame_chain_valid (gdbarch, generic_file_frame_chain_valid);
- set_gdbarch_frame_saved_pc (gdbarch, m68hc11_frame_saved_pc);
- set_gdbarch_frame_args_address (gdbarch, m68hc11_frame_args_address);
- set_gdbarch_frame_locals_address (gdbarch, m68hc11_frame_locals_address);
- set_gdbarch_saved_pc_after_call (gdbarch, m68hc11_saved_pc_after_call);
- set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
+ set_gdbarch_deprecated_frame_chain (gdbarch, m68hc11_frame_chain);
+ set_gdbarch_deprecated_frame_saved_pc (gdbarch, m68hc11_frame_saved_pc);
+ set_gdbarch_deprecated_frame_args_address (gdbarch, m68hc11_frame_args_address);
+ set_gdbarch_deprecated_saved_pc_after_call (gdbarch, m68hc11_saved_pc_after_call);
- set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid);
- set_gdbarch_get_saved_register (gdbarch, generic_get_saved_register);
+ set_gdbarch_deprecated_get_saved_register (gdbarch, deprecated_generic_get_saved_register);
- set_gdbarch_store_struct_return (gdbarch, m68hc11_store_struct_return);
- set_gdbarch_store_return_value (gdbarch, m68hc11_store_return_value);
+ set_gdbarch_deprecated_store_struct_return (gdbarch, m68hc11_store_struct_return);
+ set_gdbarch_deprecated_store_return_value (gdbarch, m68hc11_store_return_value);
set_gdbarch_deprecated_extract_struct_value_address
(gdbarch, m68hc11_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, m68hc11_use_struct_convention);
- set_gdbarch_init_extra_frame_info (gdbarch, m68hc11_init_extra_frame_info);
- set_gdbarch_pop_frame (gdbarch, m68hc11_pop_frame);
+ set_gdbarch_deprecated_init_extra_frame_info (gdbarch, m68hc11_init_extra_frame_info);
+ set_gdbarch_deprecated_pop_frame (gdbarch, m68hc11_pop_frame);
set_gdbarch_skip_prologue (gdbarch, m68hc11_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_decr_pc_after_break (gdbarch, 0);
set_gdbarch_function_start_offset (gdbarch, 0);
set_gdbarch_breakpoint_from_pc (gdbarch, m68hc11_breakpoint_from_pc);
set_gdbarch_stack_align (gdbarch, m68hc11_stack_align);
+ set_gdbarch_deprecated_extra_stack_alignment_needed (gdbarch, 1);
set_gdbarch_print_insn (gdbarch, gdb_print_insn_m68hc11);
+ m68hc11_add_reggroups (gdbarch);
+ set_gdbarch_register_reggroup_p (gdbarch, m68hc11_register_reggroup_p);
+
/* Minsymbol frobbing. */
set_gdbarch_elf_make_msymbol_special (gdbarch,
m68hc11_elf_make_msymbol_special);
return gdbarch;
}
+extern initialize_file_ftype _initialize_m68hc11_tdep; /* -Wmissing-prototypes */
+
void
_initialize_m68hc11_tdep (void)
{
register_gdbarch_init (bfd_arch_m68hc11, m68hc11_gdbarch_init);
register_gdbarch_init (bfd_arch_m68hc12, m68hc11_gdbarch_init);
+ m68hc11_init_reggroups ();
add_com ("regs", class_vars, show_regs, "Print all registers");
}
projects / deliverable / binutils-gdb.git / blobdiff