/* Target-dependent code for Motorola 68HC11 & 68HC12
- Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
- Free Software Foundation, Inc.
+ Copyright (C) 1999-2020 Free Software Foundation, Inc.
Contributed by Stephane Carrez, stcarrez@nerim.fr
#include "frame.h"
#include "frame-unwind.h"
#include "frame-base.h"
-#include "dwarf2-frame.h"
+#include "dwarf2/frame.h"
#include "trad-frame.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "gdbcore.h"
-#include "gdb_string.h"
#include "value.h"
#include "inferior.h"
#include "dis-asm.h"
MSYMBOL_IS_RTC Tests the "RTC" bit in a minimal symbol.
MSYMBOL_IS_RTI Tests the "RTC" bit in a minimal symbol. */
-#define MSYMBOL_SET_RTC(msym) \
- MSYMBOL_INFO (msym) = (char *) (((long) MSYMBOL_INFO (msym)) \
- | 0x80000000)
+#define MSYMBOL_SET_RTC(msym) \
+ MSYMBOL_TARGET_FLAG_1 (msym) = 1
-#define MSYMBOL_SET_RTI(msym) \
- MSYMBOL_INFO (msym) = (char *) (((long) MSYMBOL_INFO (msym)) \
- | 0x40000000)
+#define MSYMBOL_SET_RTI(msym) \
+ MSYMBOL_TARGET_FLAG_2 (msym) = 1
#define MSYMBOL_IS_RTC(msym) \
- (((long) MSYMBOL_INFO (msym) & 0x80000000) != 0)
+ MSYMBOL_TARGET_FLAG_1 (msym)
#define MSYMBOL_IS_RTI(msym) \
- (((long) MSYMBOL_INFO (msym) & 0x40000000) != 0)
+ MSYMBOL_TARGET_FLAG_2 (msym)
enum insn_return_kind {
RETURN_RTS,
#define SOFT_D32_REGNUM (SOFT_D1_REGNUM+31)
#define M68HC11_MAX_SOFT_REGS 32
-#define M68HC11_NUM_REGS (8)
+#define M68HC11_NUM_REGS (M68HC11_LAST_HARD_REG + 1)
#define M68HC11_NUM_PSEUDO_REGS (M68HC11_MAX_SOFT_REGS+5)
#define M68HC11_ALL_REGS (M68HC11_NUM_REGS+M68HC11_NUM_PSEUDO_REGS)
/* Table of registers for 68HC11. This includes the hard registers
and the soft registers used by GCC. */
-static char *
+static const char *
m68hc11_register_names[] =
{
"x", "d", "y", "sp", "pc", "a", "b",
static void
m68hc11_get_register_info (struct m68hc11_soft_reg *reg, const char *name)
{
- struct minimal_symbol *msymbol;
+ struct bound_minimal_symbol msymbol;
msymbol = lookup_minimal_symbol (name, NULL, NULL);
- if (msymbol)
+ if (msymbol.minsym)
{
- reg->addr = SYMBOL_VALUE_ADDRESS (msymbol);
+ reg->addr = BMSYMBOL_VALUE_ADDRESS (msymbol);
reg->name = xstrdup (name);
/* Keep track of the address range for soft registers. */
{
char buf[10];
- sprintf (buf, "_.d%d", i - SOFT_D1_REGNUM + 1);
+ xsnprintf (buf, sizeof (buf), "_.d%d", i - SOFT_D1_REGNUM + 1);
m68hc11_get_register_info (&soft_regs[i], buf);
}
/* Fetch a pseudo register. The 68hc11 soft registers are treated like
pseudo registers. They are located in memory. Translate the register
fetch into a memory read. */
-static void
+static enum register_status
m68hc11_pseudo_register_read (struct gdbarch *gdbarch,
- struct regcache *regcache,
+ readable_regcache *regcache,
int regno, gdb_byte *buf)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
/* 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);
+ const int regsize = 4;
+ enum register_status status;
- regcache_cooked_read_unsigned (regcache, HARD_PC_REGNUM, &pc);
+ status = regcache->cooked_read (HARD_PC_REGNUM, &pc);
+ if (status != REG_VALID)
+ return status;
if (pc >= 0x8000 && pc < 0xc000)
{
ULONGEST page;
- regcache_cooked_read_unsigned (regcache, HARD_PAGE_REGNUM, &page);
+ regcache->cooked_read (HARD_PAGE_REGNUM, &page);
pc -= 0x8000;
pc += (page << 14);
pc += 0x1000000;
}
- store_unsigned_integer (buf, regsize, pc);
- return;
+ store_unsigned_integer (buf, regsize, byte_order, pc);
+ return REG_VALID;
}
m68hc11_initialize_register_info ();
{
memset (buf, 0, 2);
}
+
+ return REG_VALID;
}
/* Store a pseudo register. Translate the register store
struct regcache *regcache,
int regno, const gdb_byte *buf)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
/* 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);
+ const int regsize = 4;
+ gdb_byte *tmp = (gdb_byte *) alloca (regsize);
CORE_ADDR pc;
memcpy (tmp, buf, regsize);
- pc = extract_unsigned_integer (tmp, regsize);
+ pc = extract_unsigned_integer (tmp, regsize, byte_order);
if (pc >= 0x1000000)
{
pc -= 0x1000000;
if (soft_regs[regno].name)
{
const int regsize = 2;
- char *tmp = alloca (regsize);
+ gdb_byte *tmp = (gdb_byte *) alloca (regsize);
memcpy (tmp, buf, regsize);
target_write_memory (soft_regs[regno].addr, tmp, regsize);
}
return m68hc11_register_names[reg_nr];
}
-static const unsigned char *
-m68hc11_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
- int *lenptr)
-{
- static unsigned char breakpoint[] = {0x0};
-
- *lenptr = sizeof (breakpoint);
- return breakpoint;
-}
+constexpr gdb_byte m68hc11_break_insn[] = {0x0};
+typedef BP_MANIPULATION (m68hc11_break_insn) m68hc11_breakpoint;
\f
-/* 68HC11 & 68HC12 prologue analysis.
+/* 68HC11 & 68HC12 prologue analysis. */
- */
#define MAX_CODES 12
/* 68HC11 opcodes. */
Returns a pointer to the sequence when it is recognized and
the optional value (constant/address) associated with it. */
static struct insn_sequence *
-m68hc11_analyze_instruction (struct insn_sequence *seq, CORE_ADDR pc,
+m68hc11_analyze_instruction (struct gdbarch *gdbarch,
+ struct insn_sequence *seq, CORE_ADDR pc,
CORE_ADDR *val)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
unsigned char buffer[MAX_CODES];
unsigned bufsize;
unsigned j;
if (bufsize < j + 1)
{
buffer[bufsize] = read_memory_unsigned_integer (pc + bufsize,
- 1);
+ 1, byte_order);
bufsize++;
}
/* Continue while we match the opcode. */
}
else if ((buffer[j] & 0xfe) == 0xf0)
{
- v = read_memory_unsigned_integer (pc + j + 1, 1);
+ v = read_memory_unsigned_integer (pc + j + 1, 1, byte_order);
if (buffer[j] & 1)
v |= 0xff00;
}
else if (buffer[j] == 0xf2)
{
- v = read_memory_unsigned_integer (pc + j + 1, 2);
+ v = read_memory_unsigned_integer (pc + j + 1, 2, byte_order);
}
cur_val = v;
break;
static enum insn_return_kind
m68hc11_get_return_insn (CORE_ADDR pc)
{
- struct minimal_symbol *sym;
+ struct bound_minimal_symbol sym;
/* A flag indicating that this is a STO_M68HC12_FAR or STO_M68HC12_INTERRUPT
function is stored by elfread.c in the high bit of the info field.
Use this to decide which instruction the function uses to return. */
sym = lookup_minimal_symbol_by_pc (pc);
- if (sym == 0)
+ if (sym.minsym == 0)
return RETURN_RTS;
- if (MSYMBOL_IS_RTC (sym))
+ if (MSYMBOL_IS_RTC (sym.minsym))
return RETURN_RTC;
- else if (MSYMBOL_IS_RTI (sym))
+ else if (MSYMBOL_IS_RTI (sym.minsym))
return RETURN_RTI;
else
return RETURN_RTS;
We limit the search to 128 bytes so that the algorithm is bounded
in case of random and wrong code. We also stop and abort if
we find an instruction which is not supposed to appear in the
- prologue (as generated by gcc 2.95, 2.96).
- */
+ prologue (as generated by gcc 2.95, 2.96). */
+
func_end = pc + 128;
found_frame_point = 0;
info->size = 0;
struct insn_sequence *seq;
CORE_ADDR val;
- seq = m68hc11_analyze_instruction (seq_table, pc, &val);
+ seq = m68hc11_analyze_instruction (gdbarch, seq_table, pc, &val);
if (seq == 0)
break;
return pc;
}
-static CORE_ADDR
-m68hc11_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- ULONGEST pc;
-
- pc = frame_unwind_register_unsigned (next_frame, gdbarch_pc_regnum (gdbarch));
- return pc;
-}
-
/* Put here the code to store, into fi->saved_regs, the addresses of
the saved registers of frame described by FRAME_INFO. This
includes special registers such as pc and fp saved in special ways
in the stack frame. sp is even more special: the address we return
- for it IS the sp for the next frame. */
+ for it IS the sp for the next frame. */
-struct m68hc11_unwind_cache *
-m68hc11_frame_unwind_cache (struct frame_info *next_frame,
+static struct m68hc11_unwind_cache *
+m68hc11_frame_unwind_cache (struct frame_info *this_frame,
void **this_prologue_cache)
{
- struct gdbarch *gdbarch = get_frame_arch (next_frame);
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
ULONGEST prev_sp;
ULONGEST this_base;
struct m68hc11_unwind_cache *info;
int i;
if ((*this_prologue_cache))
- return (*this_prologue_cache);
+ return (struct m68hc11_unwind_cache *) (*this_prologue_cache);
info = FRAME_OBSTACK_ZALLOC (struct m68hc11_unwind_cache);
(*this_prologue_cache) = info;
- info->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+ info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
- info->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
+ info->pc = get_frame_func (this_frame);
info->size = 0;
info->return_kind = m68hc11_get_return_insn (info->pc);
/* The SP was moved to the FP. This indicates that a new frame
was created. Get THIS frame's FP value by unwinding it from
the next frame. */
- this_base = frame_unwind_register_unsigned (next_frame, SOFT_FP_REGNUM);
+ this_base = get_frame_register_unsigned (this_frame, SOFT_FP_REGNUM);
if (this_base == 0)
{
info->base = 0;
return info;
}
- current_pc = frame_pc_unwind (next_frame);
+ current_pc = get_frame_pc (this_frame);
if (info->pc != 0)
m68hc11_scan_prologue (gdbarch, info->pc, current_pc, info);
if (info->sp_offset != (CORE_ADDR) -1)
{
info->saved_regs[HARD_PC_REGNUM].addr = info->sp_offset;
- this_base = frame_unwind_register_unsigned (next_frame, HARD_SP_REGNUM);
+ this_base = get_frame_register_unsigned (this_frame, HARD_SP_REGNUM);
prev_sp = this_base + info->sp_offset + 2;
this_base += STACK_CORRECTION (gdbarch);
}
}
/* Add 1 here to adjust for the post-decrement nature of the push
- instruction.*/
+ instruction. */
info->prev_sp = prev_sp;
info->base = this_base;
/* Adjust all the saved registers so that they contain addresses and not
offsets. */
- for (i = 0;
- i < gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch) - 1;
- i++)
+ for (i = 0; i < gdbarch_num_cooked_regs (gdbarch); i++)
if (trad_frame_addr_p (info->saved_regs, i))
{
info->saved_regs[i].addr += this_base;
frame. This will be used to create a new GDB frame struct. */
static void
-m68hc11_frame_this_id (struct frame_info *next_frame,
+m68hc11_frame_this_id (struct frame_info *this_frame,
void **this_prologue_cache,
struct frame_id *this_id)
{
struct m68hc11_unwind_cache *info
- = m68hc11_frame_unwind_cache (next_frame, this_prologue_cache);
+ = m68hc11_frame_unwind_cache (this_frame, this_prologue_cache);
CORE_ADDR base;
CORE_ADDR func;
struct frame_id id;
/* The FUNC is easy. */
- func = frame_func_unwind (next_frame, NORMAL_FRAME);
+ func = get_frame_func (this_frame);
/* Hopefully the prologue analysis either correctly determined the
frame's base (which is the SP from the previous frame), or set
(*this_id) = id;
}
-static void
-m68hc11_frame_prev_register (struct frame_info *next_frame,
- void **this_prologue_cache,
- int regnum, int *optimizedp,
- enum lval_type *lvalp, CORE_ADDR *addrp,
- int *realnump, gdb_byte *bufferp)
+static struct value *
+m68hc11_frame_prev_register (struct frame_info *this_frame,
+ void **this_prologue_cache, int regnum)
{
+ struct value *value;
struct m68hc11_unwind_cache *info
- = m68hc11_frame_unwind_cache (next_frame, this_prologue_cache);
+ = m68hc11_frame_unwind_cache (this_frame, this_prologue_cache);
- trad_frame_get_prev_register (next_frame, info->saved_regs, regnum,
- optimizedp, lvalp, addrp, realnump, bufferp);
+ value = trad_frame_get_prev_register (this_frame, info->saved_regs, regnum);
- if (regnum == HARD_PC_REGNUM)
+ /* Take into account the 68HC12 specific call (PC + page). */
+ if (regnum == HARD_PC_REGNUM
+ && info->return_kind == RETURN_RTC
+ && USE_PAGE_REGISTER (get_frame_arch (this_frame)))
{
- /* Take into account the 68HC12 specific call (PC + page). */
- if (info->return_kind == RETURN_RTC
- && *addrp >= 0x08000 && *addrp < 0x0c000
- && USE_PAGE_REGISTER (get_frame_arch (next_frame)))
+ CORE_ADDR pc = value_as_long (value);
+ if (pc >= 0x08000 && pc < 0x0c000)
{
- int page_optimized;
-
CORE_ADDR page;
- trad_frame_get_prev_register (next_frame, info->saved_regs,
- HARD_PAGE_REGNUM, &page_optimized,
- 0, &page, 0, 0);
- *addrp -= 0x08000;
- *addrp += ((page & 0x0ff) << 14);
- *addrp += 0x1000000;
+ release_value (value);
+
+ value = trad_frame_get_prev_register (this_frame, info->saved_regs,
+ HARD_PAGE_REGNUM);
+ page = value_as_long (value);
+ release_value (value);
+
+ pc -= 0x08000;
+ pc += ((page & 0x0ff) << 14);
+ pc += 0x1000000;
+
+ return frame_unwind_got_constant (this_frame, regnum, pc);
}
}
+
+ return value;
}
static const struct frame_unwind m68hc11_frame_unwind = {
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
m68hc11_frame_this_id,
- m68hc11_frame_prev_register
+ m68hc11_frame_prev_register,
+ NULL,
+ default_frame_sniffer
};
-const struct frame_unwind *
-m68hc11_frame_sniffer (struct frame_info *next_frame)
-{
- return &m68hc11_frame_unwind;
-}
-
static CORE_ADDR
-m68hc11_frame_base_address (struct frame_info *next_frame, void **this_cache)
+m68hc11_frame_base_address (struct frame_info *this_frame, void **this_cache)
{
struct m68hc11_unwind_cache *info
- = m68hc11_frame_unwind_cache (next_frame, this_cache);
+ = m68hc11_frame_unwind_cache (this_frame, this_cache);
return info->base;
}
static CORE_ADDR
-m68hc11_frame_args_address (struct frame_info *next_frame, void **this_cache)
+m68hc11_frame_args_address (struct frame_info *this_frame, void **this_cache)
{
CORE_ADDR addr;
struct m68hc11_unwind_cache *info
- = m68hc11_frame_unwind_cache (next_frame, this_cache);
+ = m68hc11_frame_unwind_cache (this_frame, this_cache);
addr = info->base + info->size;
if (info->return_kind == RETURN_RTC)
m68hc11_frame_args_address
};
-static CORE_ADDR
-m68hc11_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- ULONGEST sp;
- sp = frame_unwind_register_unsigned (next_frame, HARD_SP_REGNUM);
- return sp;
-}
-
-/* Assuming NEXT_FRAME->prev is a dummy, return the frame ID of that
- dummy frame. The frame ID's base needs to match the TOS value
- saved by save_dummy_frame_tos(), and the PC match the dummy frame's
- breakpoint. */
+/* Assuming THIS_FRAME is a dummy, return the frame ID of that dummy
+ frame. The frame ID's base needs to match the TOS value saved by
+ save_dummy_frame_tos(), and the PC match the dummy frame's breakpoint. */
static struct frame_id
-m68hc11_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
+m68hc11_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
{
ULONGEST tos;
- CORE_ADDR pc = frame_pc_unwind (next_frame);
+ CORE_ADDR pc = get_frame_pc (this_frame);
- tos = frame_unwind_register_unsigned (next_frame, SOFT_FP_REGNUM);
+ tos = get_frame_register_unsigned (this_frame, SOFT_FP_REGNUM);
tos += 2;
return frame_id_build (tos, pc);
}
V = (l & M6811_V_BIT) != 0;
C = (l & M6811_C_BIT) != 0;
- /* Print flags following the h8300 */
+ /* Print flags following the h8300. */
if ((C | Z) == 0)
fprintf_filtered (file, "u> ");
else if ((C | Z) == 1)
m68hc11_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)
+ function_call_return_method return_method,
+ CORE_ADDR struct_addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int argnum;
int first_stack_argnum;
struct type *type;
- char *val;
- int len;
- char buf[2];
+ const gdb_byte *val;
+ gdb_byte buf[2];
first_stack_argnum = 0;
- if (struct_return)
- {
- regcache_cooked_write_unsigned (regcache, HARD_D_REGNUM, struct_addr);
- }
+ if (return_method == return_method_struct)
+ regcache_cooked_write_unsigned (regcache, HARD_D_REGNUM, struct_addr);
else if (nargs > 0)
{
type = value_type (args[0]);
- len = TYPE_LENGTH (type);
/* First argument is passed in D and X registers. */
- if (len <= 4)
+ if (TYPE_LENGTH (type) <= 4)
{
ULONGEST v;
- v = extract_unsigned_integer (value_contents (args[0]), len);
+ v = extract_unsigned_integer (value_contents (args[0]),
+ TYPE_LENGTH (type), byte_order);
first_stack_argnum = 1;
regcache_cooked_write_unsigned (regcache, HARD_D_REGNUM, v);
- if (len > 2)
+ if (TYPE_LENGTH (type) > 2)
{
v >>= 16;
regcache_cooked_write_unsigned (regcache, HARD_X_REGNUM, v);
for (argnum = nargs - 1; argnum >= first_stack_argnum; argnum--)
{
type = value_type (args[argnum]);
- len = TYPE_LENGTH (type);
- if (len & 1)
+ if (TYPE_LENGTH (type) & 1)
{
- static char zero = 0;
+ static gdb_byte zero = 0;
sp--;
write_memory (sp, &zero, 1);
}
- val = (char*) value_contents (args[argnum]);
- sp -= len;
- write_memory (sp, val, len);
+ val = value_contents (args[argnum]);
+ sp -= TYPE_LENGTH (type);
+ write_memory (sp, val, TYPE_LENGTH (type));
}
/* Store return address. */
sp -= 2;
- store_unsigned_integer (buf, 2, bp_addr);
+ store_unsigned_integer (buf, 2, byte_order, bp_addr);
write_memory (sp, buf, 2);
/* Finally, update the stack pointer... */
case HARD_A_REGNUM:
case HARD_B_REGNUM:
case HARD_CCR_REGNUM:
- return builtin_type_uint8;
+ return builtin_type (gdbarch)->builtin_uint8;
case M68HC12_HARD_PC_REGNUM:
- return builtin_type_uint32;
+ return builtin_type (gdbarch)->builtin_uint32;
default:
- return builtin_type_uint16;
+ return builtin_type (gdbarch)->builtin_uint16;
}
}
static void
m68hc11_store_return_value (struct type *type, struct regcache *regcache,
- const void *valbuf)
+ const gdb_byte *valbuf)
{
int len;
/* First argument is passed in D and X registers. */
if (len <= 2)
- regcache_raw_write_part (regcache, HARD_D_REGNUM, 2 - len, len, valbuf);
+ regcache->raw_write_part (HARD_D_REGNUM, 2 - len, len, valbuf);
else if (len <= 4)
{
- regcache_raw_write_part (regcache, HARD_X_REGNUM, 4 - len,
- len - 2, valbuf);
- regcache_raw_write (regcache, HARD_D_REGNUM, (char*) valbuf + (len - 2));
+ regcache->raw_write_part (HARD_X_REGNUM, 4 - len, len - 2, valbuf);
+ regcache->raw_write (HARD_D_REGNUM, valbuf + (len - 2));
}
else
error (_("return of value > 4 is not supported."));
m68hc11_extract_return_value (struct type *type, struct regcache *regcache,
void *valbuf)
{
- int len = TYPE_LENGTH (type);
- char buf[M68HC11_REG_SIZE];
+ gdb_byte buf[M68HC11_REG_SIZE];
- regcache_raw_read (regcache, HARD_D_REGNUM, buf);
- switch (len)
+ regcache->raw_read (HARD_D_REGNUM, buf);
+ switch (TYPE_LENGTH (type))
{
case 1:
memcpy (valbuf, buf + 1, 1);
case 3:
memcpy ((char*) valbuf + 1, buf, 2);
- regcache_raw_read (regcache, HARD_X_REGNUM, buf);
+ regcache->raw_read (HARD_X_REGNUM, buf);
memcpy (valbuf, buf + 1, 1);
break;
case 4:
memcpy ((char*) valbuf + 2, buf, 2);
- regcache_raw_read (regcache, HARD_X_REGNUM, buf);
+ regcache->raw_read (HARD_X_REGNUM, buf);
memcpy (valbuf, buf, 2);
break;
}
}
-enum return_value_convention
-m68hc11_return_value (struct gdbarch *gdbarch, struct type *func_type,
+static enum return_value_convention
+m68hc11_return_value (struct gdbarch *gdbarch, struct value *function,
struct type *valtype, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
- if (TYPE_CODE (valtype) == TYPE_CODE_STRUCT
- || TYPE_CODE (valtype) == TYPE_CODE_UNION
- || TYPE_CODE (valtype) == TYPE_CODE_ARRAY
+ if (valtype->code () == TYPE_CODE_STRUCT
+ || valtype->code () == TYPE_CODE_UNION
+ || valtype->code () == TYPE_CODE_ARRAY
|| TYPE_LENGTH (valtype) > 4)
return RETURN_VALUE_STRUCT_CONVENTION;
else
if (flags & STO_M68HC12_INTERRUPT)
MSYMBOL_SET_RTI (msym);
}
-
-static int
-gdb_print_insn_m68hc11 (bfd_vma memaddr, disassemble_info *info)
-{
- if (gdbarch_bfd_arch_info (current_gdbarch)->arch == bfd_arch_m68hc11)
- return print_insn_m68hc11 (memaddr, info);
- else
- return print_insn_m68hc12 (memaddr, info);
-}
-
\f
/* 68HC11/68HC12 register groups.
else
elf_flags = 0;
- /* try to find a pre-existing architecture */
+ /* Try to find a pre-existing architecture. */
for (arches = gdbarch_list_lookup_by_info (arches, &info);
arches != NULL;
arches = gdbarch_list_lookup_by_info (arches->next, &info))
return arches->gdbarch;
}
- /* Need a new architecture. Fill in a target specific vector. */
- tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
+ /* Need a new architecture. Fill in a target specific vector. */
+ tdep = XCNEW (struct gdbarch_tdep);
gdbarch = gdbarch_alloc (&info, tdep);
tdep->elf_flags = elf_flags;
set_gdbarch_short_bit (gdbarch, 16);
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);
+ if (elf_flags & E_M68HC11_F64)
+ {
+ set_gdbarch_double_bit (gdbarch, 64);
+ set_gdbarch_double_format (gdbarch, floatformats_ieee_double);
+ }
+ else
+ {
+ set_gdbarch_double_bit (gdbarch, 32);
+ set_gdbarch_double_format (gdbarch, floatformats_ieee_single);
+ }
set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 16);
/* Characters are unsigned. */
set_gdbarch_char_signed (gdbarch, 0);
- set_gdbarch_unwind_pc (gdbarch, m68hc11_unwind_pc);
- set_gdbarch_unwind_sp (gdbarch, m68hc11_unwind_sp);
-
/* Set register info. */
set_gdbarch_fp0_regnum (gdbarch, -1);
set_gdbarch_return_value (gdbarch, m68hc11_return_value);
set_gdbarch_skip_prologue (gdbarch, m68hc11_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
- set_gdbarch_breakpoint_from_pc (gdbarch, m68hc11_breakpoint_from_pc);
- set_gdbarch_print_insn (gdbarch, gdb_print_insn_m68hc11);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ m68hc11_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ m68hc11_breakpoint::bp_from_kind);
m68hc11_add_reggroups (gdbarch);
set_gdbarch_register_reggroup_p (gdbarch, m68hc11_register_reggroup_p);
set_gdbarch_print_registers_info (gdbarch, m68hc11_print_registers_info);
/* Hook in the DWARF CFI frame unwinder. */
- frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
+ dwarf2_append_unwinders (gdbarch);
- frame_unwind_append_sniffer (gdbarch, m68hc11_frame_sniffer);
+ frame_unwind_append_unwinder (gdbarch, &m68hc11_frame_unwind);
frame_base_set_default (gdbarch, &m68hc11_frame_base);
/* Methods for saving / extracting a dummy frame's ID. The ID's
stack address must match the SP value returned by
PUSH_DUMMY_CALL, and saved by generic_save_dummy_frame_tos. */
- set_gdbarch_unwind_dummy_id (gdbarch, m68hc11_unwind_dummy_id);
-
- /* Return the unwound PC value. */
- set_gdbarch_unwind_pc (gdbarch, m68hc11_unwind_pc);
+ set_gdbarch_dummy_id (gdbarch, m68hc11_dummy_id);
/* Minsymbol frobbing. */
set_gdbarch_elf_make_msymbol_special (gdbarch,
return gdbarch;
}
-extern initialize_file_ftype _initialize_m68hc11_tdep; /* -Wmissing-prototypes */
-
+void _initialize_m68hc11_tdep ();
void
-_initialize_m68hc11_tdep (void)
+_initialize_m68hc11_tdep ()
{
register_gdbarch_init (bfd_arch_m68hc11, m68hc11_gdbarch_init);
register_gdbarch_init (bfd_arch_m68hc12, m68hc11_gdbarch_init);
projects / deliverable / binutils-gdb.git / blobdiff