/* Target-dependent code for Motorola 68HC11 & 68HC12
- Copyright (C) 1999-2021 Free Software Foundation, Inc.
+ Copyright (C) 1999-2022 Free Software Foundation, Inc.
Contributed by Stephane Carrez, stcarrez@nerim.fr
#include "arch-utils.h"
#include "regcache.h"
#include "reggroups.h"
+#include "gdbarch.h"
#include "target.h"
#include "opcode/m68hc11.h"
MSYMBOL_IS_RTI Tests the "RTC" bit in a minimal symbol. */
#define MSYMBOL_SET_RTC(msym) \
- MSYMBOL_TARGET_FLAG_1 (msym) = 1
+ (msym)->set_target_flag_1 (true)
#define MSYMBOL_SET_RTI(msym) \
- MSYMBOL_TARGET_FLAG_2 (msym) = 1
+ (msym)->set_target_flag_2 (true)
#define MSYMBOL_IS_RTC(msym) \
- MSYMBOL_TARGET_FLAG_1 (msym)
+ (msym)->target_flag_1 ()
#define MSYMBOL_IS_RTI(msym) \
- MSYMBOL_TARGET_FLAG_2 (msym)
+ (msym)->target_flag_2 ()
enum insn_return_kind {
RETURN_RTS,
#define M68HC12_HARD_PC_REGNUM (SOFT_D32_REGNUM+1)
struct insn_sequence;
-struct gdbarch_tdep
+struct m68gc11_gdbarch_tdep : gdbarch_tdep
{
/* Stack pointer correction value. For 68hc11, the stack pointer points
to the next push location. An offset of 1 must be applied to obtain
the address where the last value is saved. For 68hc12, the stack
pointer points to the last value pushed. No offset is necessary. */
- int stack_correction;
+ int stack_correction = 0;
/* Description of instructions in the prologue. */
- struct insn_sequence *prologue;
+ struct insn_sequence *prologue = nullptr;
/* True if the page memory bank register is available
and must be used. */
- int use_page_register;
+ int use_page_register = 0;
/* ELF flags for ABI. */
- int elf_flags;
+ int elf_flags = 0;
};
-#define STACK_CORRECTION(gdbarch) (gdbarch_tdep (gdbarch)->stack_correction)
-#define USE_PAGE_REGISTER(gdbarch) (gdbarch_tdep (gdbarch)->use_page_register)
+static int
+stack_correction (gdbarch *arch)
+{
+ m68gc11_gdbarch_tdep *tdep = (m68gc11_gdbarch_tdep *) gdbarch_tdep (arch);
+ return tdep->stack_correction;
+}
+
+static int
+use_page_register (gdbarch *arch)
+{
+ m68gc11_gdbarch_tdep *tdep = (m68gc11_gdbarch_tdep *) gdbarch_tdep (arch);
+ return tdep->stack_correction;
+}
struct m68hc11_unwind_cache
{
msymbol = lookup_minimal_symbol (name, NULL, NULL);
if (msymbol.minsym)
{
- reg->addr = BMSYMBOL_VALUE_ADDRESS (msymbol);
+ reg->addr = msymbol.value_address ();
reg->name = xstrdup (name);
/* Keep track of the address range for soft registers. */
static const char *
m68hc11_register_name (struct gdbarch *gdbarch, int reg_nr)
{
- if (reg_nr == M68HC12_HARD_PC_REGNUM && USE_PAGE_REGISTER (gdbarch))
+ if (reg_nr == M68HC12_HARD_PC_REGNUM && use_page_register (gdbarch))
return "pc";
- if (reg_nr == HARD_PC_REGNUM && USE_PAGE_REGISTER (gdbarch))
+
+ if (reg_nr == HARD_PC_REGNUM && use_page_register (gdbarch))
return "ppc";
if (reg_nr < 0)
return NULL;
+
if (reg_nr >= M68HC11_ALL_REGS)
return NULL;
does not exist. */
if (reg_nr > M68HC11_LAST_HARD_REG && soft_regs[reg_nr].name == 0)
return NULL;
+
return m68hc11_register_names[reg_nr];
}
return pc;
}
- seq_table = gdbarch_tdep (gdbarch)->prologue;
+ m68gc11_gdbarch_tdep *tdep = (m68gc11_gdbarch_tdep *) gdbarch_tdep (gdbarch);
+ seq_table = tdep->prologue;
/* The 68hc11 stack is as follows:
info->saved_regs[HARD_PC_REGNUM].set_addr (info->sp_offset);
this_base = get_frame_register_unsigned (this_frame, HARD_SP_REGNUM);
prev_sp = this_base + info->sp_offset + 2;
- this_base += STACK_CORRECTION (gdbarch);
+ this_base += stack_correction (gdbarch);
}
else
{
to before the first saved register giving the SP. */
prev_sp = this_base + info->size + 2;
- this_base += STACK_CORRECTION (gdbarch);
+ this_base += stack_correction (gdbarch);
if (soft_regs[SOFT_FP_REGNUM].name)
info->saved_regs[SOFT_FP_REGNUM].set_addr (info->size - 2);
}
/* 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)))
+ && use_page_register (get_frame_arch (this_frame)))
{
CORE_ADDR pc = value_as_long (value);
if (pc >= 0x08000 && pc < 0x0c000)
if (regno == HARD_A_REGNUM || regno == HARD_B_REGNUM
|| regno == HARD_CCR_REGNUM || regno == HARD_PAGE_REGNUM)
{
- fprintf_filtered (file, "0x%02x ", (unsigned char) rval);
+ gdb_printf (file, "0x%02x ", (unsigned char) rval);
if (regno != HARD_CCR_REGNUM)
print_longest (file, 'd', 1, rval);
}
else
{
- if (regno == HARD_PC_REGNUM && gdbarch_tdep (gdbarch)->use_page_register)
+ m68gc11_gdbarch_tdep *tdep
+ = (m68gc11_gdbarch_tdep *) gdbarch_tdep (gdbarch);
+
+ if (regno == HARD_PC_REGNUM && tdep->use_page_register)
{
ULONGEST page;
page = get_frame_register_unsigned (frame, HARD_PAGE_REGNUM);
- fprintf_filtered (file, "0x%02x:%04x ", (unsigned) page,
- (unsigned) rval);
+ gdb_printf (file, "0x%02x:%04x ", (unsigned) page,
+ (unsigned) rval);
}
else
{
- fprintf_filtered (file, "0x%04x ", (unsigned) rval);
+ gdb_printf (file, "0x%04x ", (unsigned) rval);
if (regno != HARD_PC_REGNUM && regno != HARD_SP_REGNUM
&& regno != SOFT_FP_REGNUM && regno != M68HC12_HARD_PC_REGNUM)
print_longest (file, 'd', 1, rval);
int C, Z, N, V;
unsigned char l = rval & 0xff;
- fprintf_filtered (file, "%c%c%c%c%c%c%c%c ",
- l & M6811_S_BIT ? 'S' : '-',
- l & M6811_X_BIT ? 'X' : '-',
- l & M6811_H_BIT ? 'H' : '-',
- l & M6811_I_BIT ? 'I' : '-',
- l & M6811_N_BIT ? 'N' : '-',
- l & M6811_Z_BIT ? 'Z' : '-',
- l & M6811_V_BIT ? 'V' : '-',
- l & M6811_C_BIT ? 'C' : '-');
+ gdb_printf (file, "%c%c%c%c%c%c%c%c ",
+ l & M6811_S_BIT ? 'S' : '-',
+ l & M6811_X_BIT ? 'X' : '-',
+ l & M6811_H_BIT ? 'H' : '-',
+ l & M6811_I_BIT ? 'I' : '-',
+ l & M6811_N_BIT ? 'N' : '-',
+ l & M6811_Z_BIT ? 'Z' : '-',
+ l & M6811_V_BIT ? 'V' : '-',
+ l & M6811_C_BIT ? 'C' : '-');
N = (l & M6811_N_BIT) != 0;
Z = (l & M6811_Z_BIT) != 0;
V = (l & M6811_V_BIT) != 0;
/* Print flags following the h8300. */
if ((C | Z) == 0)
- fprintf_filtered (file, "u> ");
+ gdb_printf (file, "u> ");
else if ((C | Z) == 1)
- fprintf_filtered (file, "u<= ");
+ gdb_printf (file, "u<= ");
else if (C == 0)
- fprintf_filtered (file, "u< ");
+ gdb_printf (file, "u< ");
if (Z == 0)
- fprintf_filtered (file, "!= ");
+ gdb_printf (file, "!= ");
else
- fprintf_filtered (file, "== ");
+ gdb_printf (file, "== ");
if ((N ^ V) == 0)
- fprintf_filtered (file, ">= ");
+ gdb_printf (file, ">= ");
else
- fprintf_filtered (file, "< ");
+ gdb_printf (file, "< ");
if ((Z | (N ^ V)) == 0)
- fprintf_filtered (file, "> ");
+ gdb_printf (file, "> ");
else
- fprintf_filtered (file, "<= ");
+ gdb_printf (file, "<= ");
}
}
if (!name || !*name)
return;
- fprintf_filtered (file, "%-10s ", name);
+ gdb_printf (file, "%-10s ", name);
m68hc11_print_register (gdbarch, file, frame, regno);
- fprintf_filtered (file, "\n");
+ gdb_printf (file, "\n");
}
else
{
int i, nr;
- fprintf_filtered (file, "PC=");
+ gdb_printf (file, "PC=");
m68hc11_print_register (gdbarch, file, frame, HARD_PC_REGNUM);
- fprintf_filtered (file, " SP=");
+ gdb_printf (file, " SP=");
m68hc11_print_register (gdbarch, file, frame, HARD_SP_REGNUM);
- fprintf_filtered (file, " FP=");
+ gdb_printf (file, " FP=");
m68hc11_print_register (gdbarch, file, frame, SOFT_FP_REGNUM);
- fprintf_filtered (file, "\nCCR=");
+ gdb_printf (file, "\nCCR=");
m68hc11_print_register (gdbarch, file, frame, HARD_CCR_REGNUM);
- fprintf_filtered (file, "\nD=");
+ gdb_printf (file, "\nD=");
m68hc11_print_register (gdbarch, file, frame, HARD_D_REGNUM);
- fprintf_filtered (file, " X=");
+ gdb_printf (file, " X=");
m68hc11_print_register (gdbarch, file, frame, HARD_X_REGNUM);
- fprintf_filtered (file, " Y=");
+ gdb_printf (file, " Y=");
m68hc11_print_register (gdbarch, file, frame, HARD_Y_REGNUM);
- if (gdbarch_tdep (gdbarch)->use_page_register)
+ m68gc11_gdbarch_tdep *tdep = (m68gc11_gdbarch_tdep *) gdbarch_tdep (gdbarch);
+
+ if (tdep->use_page_register)
{
- fprintf_filtered (file, "\nPage=");
+ gdb_printf (file, "\nPage=");
m68hc11_print_register (gdbarch, file, frame, HARD_PAGE_REGNUM);
}
- fprintf_filtered (file, "\n");
+ gdb_printf (file, "\n");
nr = 0;
for (i = SOFT_D1_REGNUM; i < M68HC11_ALL_REGS; i++)
if (soft_regs[i].name == 0)
continue;
- fprintf_filtered (file, "D%d=", i - SOFT_D1_REGNUM + 1);
+ gdb_printf (file, "D%d=", i - SOFT_D1_REGNUM + 1);
m68hc11_print_register (gdbarch, file, frame, i);
nr++;
if ((nr % 8) == 7)
- fprintf_filtered (file, "\n");
+ gdb_printf (file, "\n");
else
- fprintf_filtered (file, " ");
+ gdb_printf (file, " ");
}
if (nr && (nr % 8) != 7)
- fprintf_filtered (file, "\n");
+ gdb_printf (file, "\n");
}
}
{
ULONGEST v;
- v = extract_unsigned_integer (value_contents (args[0]),
+ v = extract_unsigned_integer (value_contents (args[0]).data (),
TYPE_LENGTH (type), byte_order);
first_stack_argnum = 1;
sp--;
write_memory (sp, &zero, 1);
}
- val = value_contents (args[argnum]);
+ val = value_contents (args[argnum]).data ();
sp -= TYPE_LENGTH (type);
write_memory (sp, val, TYPE_LENGTH (type));
}
write_memory (sp, buf, 2);
/* Finally, update the stack pointer... */
- sp -= STACK_CORRECTION (gdbarch);
+ sp -= stack_correction (gdbarch);
regcache_cooked_write_unsigned (regcache, HARD_SP_REGNUM, sp);
/* ...and fake a frame pointer. */
/* 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 const reggroup *m68hc11_soft_reggroup;
+static const reggroup *m68hc11_hard_reggroup;
static void
m68hc11_init_reggroups (void)
{
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)
+ const struct reggroup *group)
{
/* We must save the real hard register as well as gcc
soft registers including the frame pointer. */
struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
- struct gdbarch_tdep *tdep;
int elf_flags;
soft_reg_initialized = 0;
arches != NULL;
arches = gdbarch_list_lookup_by_info (arches->next, &info))
{
- if (gdbarch_tdep (arches->gdbarch)->elf_flags != elf_flags)
+ m68gc11_gdbarch_tdep *tdep
+ = (m68gc11_gdbarch_tdep *) gdbarch_tdep (arches->gdbarch);
+
+ if (tdep->elf_flags != elf_flags)
continue;
return arches->gdbarch;
}
/* Need a new architecture. Fill in a target specific vector. */
- tdep = XCNEW (struct gdbarch_tdep);
+ m68gc11_gdbarch_tdep *tdep = new m68gc11_gdbarch_tdep;
gdbarch = gdbarch_alloc (&info, tdep);
tdep->elf_flags = elf_flags;
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