/* Target-dependent code for Renesas Super-H, for GDB.
- Copyright (C) 1993-2020 Free Software Foundation, Inc.
+ Copyright (C) 1993-2022 Free Software Foundation, Inc.
This file is part of GDB.
func_type = check_typedef (func_type);
if (func_type->code () == TYPE_CODE_PTR)
- func_type = check_typedef (TYPE_TARGET_TYPE (func_type));
+ func_type = check_typedef (TYPE_TARGET_TYPE (func_type));
if (func_type->code () == TYPE_CODE_FUNC
- && TYPE_CALLING_CONVENTION (func_type) == DW_CC_GNU_renesas_sh)
- val = 1;
+ && TYPE_CALLING_CONVENTION (func_type) == DW_CC_GNU_renesas_sh)
+ val = 1;
}
if (sh_active_calling_convention == sh_cc_renesas)
*size = kind;
/* For remote stub targets, trapa #20 is used. */
- if (strcmp (target_shortname, "remote") == 0)
+ if (strcmp (target_shortname (), "remote") == 0)
{
static unsigned char big_remote_breakpoint[] = { 0xc3, 0x20 };
static unsigned char little_remote_breakpoint[] = { 0x20, 0xc3 };
}
else if (IS_MOVI20 (inst)
&& (pc + 2 < limit_pc))
- {
+ {
if (sav_reg < 0)
{
reg = GET_TARGET_REG (inst);
if (reg < 14)
- {
+ {
sav_reg = reg;
sav_offset = GET_SOURCE_REG (inst) << 16;
/* MOVI20 is a 32 bit instruction! */
{
post_prologue_pc = skip_prologue_using_sal (gdbarch, func_addr);
if (post_prologue_pc != 0)
- return std::max (pc, post_prologue_pc);
+ return std::max (pc, post_prologue_pc);
}
/* Can't determine prologue from the symbol table, need to examine
{
/* value gets right-justified in the register or stack word. */
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
- memcpy (valbuf + (4 - len), value_contents (val), len);
+ memcpy (valbuf + (4 - len), value_contents (val).data (), len);
else
- memcpy (valbuf, value_contents (val), len);
+ memcpy (valbuf, value_contents (val).data (), len);
return valbuf;
}
- return value_contents (val);
+ return value_contents (val).data ();
}
/* Helper function to eval number of bytes to allocate on stack. */
non-vararg argument to be on the stack, no matter how many
registers have been used so far. */
if (sh_is_renesas_calling_convention (func_type)
- && TYPE_VARARGS (func_type))
+ && func_type->has_varargs ())
last_reg_arg = func_type->num_fields () - 2;
/* First force sp to a 4-byte alignment. */
val = sh_justify_value_in_reg (gdbarch, args[argnum], len);
/* Some decisions have to be made how various types are handled.
- This also differs in different ABIs. */
+ This also differs in different ABIs. */
pass_on_stack = 0;
/* Find out the next register to use for a floating point value. */
{
if ((treat_as_flt && flt_argreg > FLOAT_ARGLAST_REGNUM)
|| (!treat_as_flt && (argreg > ARGLAST_REGNUM
- || pass_on_stack))
+ || pass_on_stack))
|| argnum > last_reg_arg)
{
/* The data goes entirely on the stack, 4-byte aligned. */
reg_size = register_size (gdbarch, flt_argreg);
regval = extract_unsigned_integer (val, reg_size, byte_order);
/* In little endian mode, float types taking two registers
- (doubles on sh4, long doubles on sh2e, sh3e and sh4) must
+ (doubles on sh4, long doubles on sh2e, sh3e and sh4) must
be stored swapped in the argument registers. The below
code first writes the first 32 bits in the next but one
register, increments the val and len values accordingly
and then proceeds as normal by writing the second 32 bits
into the next register. */
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE
- && TYPE_LENGTH (type) == 2 * reg_size)
- {
+ && TYPE_LENGTH (type) == 2 * reg_size)
+ {
regcache_cooked_write_unsigned (regcache, flt_argreg + 1,
regval);
val += reg_size;
non-vararg argument to be on the stack, no matter how many
registers have been used so far. */
if (sh_is_renesas_calling_convention (func_type)
- && TYPE_VARARGS (func_type))
+ && func_type->has_varargs ())
last_reg_arg = func_type->num_fields () - 2;
/* First force sp to a 4-byte alignment. */
|| argnum > last_reg_arg)
{
/* The remainder of the data goes entirely on the stack,
- 4-byte aligned. */
+ 4-byte aligned. */
reg_size = (len + 3) & ~3;
write_memory (sp + stack_offset, val, reg_size);
stack_offset += reg_size;
{
struct type *func_type = function ? value_type (function) : NULL;
- if (sh_use_struct_convention_nofpu (
- sh_is_renesas_calling_convention (func_type), type))
+ if (sh_use_struct_convention_nofpu
+ (sh_is_renesas_calling_convention (func_type), type))
return RETURN_VALUE_STRUCT_CONVENTION;
if (writebuf)
sh_store_return_value_nofpu (type, regcache, writebuf);
static struct type *
sh_littlebyte_bigword_type (struct gdbarch *gdbarch)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ sh_gdbarch_tdep *tdep = (sh_gdbarch_tdep *) gdbarch_tdep (gdbarch);
if (tdep->sh_littlebyte_bigword_type == NULL)
tdep->sh_littlebyte_bigword_type
= arch_float_type (gdbarch, -1, "builtin_type_sh_littlebyte_bigword",
- floatformats_ieee_double_littlebyte_bigword);
+ floatformats_ieee_double_littlebyte_bigword);
return tdep->sh_littlebyte_bigword_type;
}
if (reg_nr == PSEUDO_BANK_REGNUM)
{
/* When the bank register is written to, the whole register bank
- is switched and all values in the bank registers must be read
+ is switched and all values in the bank registers must be read
from the target/sim again. We're just invalidating the regcache
so that a re-read happens next time it's necessary. */
int bregnum;
regcache->raw_write (BANK_REGNUM, buffer);
for (bregnum = R0_BANK0_REGNUM; bregnum < MACLB_REGNUM; ++bregnum)
- regcache->invalidate (bregnum);
+ regcache->invalidate (bregnum);
}
else if (reg_nr >= DR0_REGNUM && reg_nr <= DR_LAST_REGNUM)
{
switch (nr)
{
case TBR_REGNUM:
- return SIM_SH_TBR_REGNUM;
+ return SIM_SH_TBR_REGNUM;
case IBNR_REGNUM:
- return SIM_SH_IBNR_REGNUM;
+ return SIM_SH_IBNR_REGNUM;
case IBCR_REGNUM:
- return SIM_SH_IBCR_REGNUM;
+ return SIM_SH_IBCR_REGNUM;
case BANK_REGNUM:
- return SIM_SH_BANK_REGNUM;
+ return SIM_SH_BANK_REGNUM;
case MACLB_REGNUM:
- return SIM_SH_BANK_MACL_REGNUM;
+ return SIM_SH_BANK_MACL_REGNUM;
case GBRB_REGNUM:
- return SIM_SH_BANK_GBR_REGNUM;
+ return SIM_SH_BANK_GBR_REGNUM;
case PRB_REGNUM:
- return SIM_SH_BANK_PR_REGNUM;
+ return SIM_SH_BANK_PR_REGNUM;
case IVNB_REGNUM:
- return SIM_SH_BANK_IVN_REGNUM;
+ return SIM_SH_BANK_IVN_REGNUM;
case MACHB_REGNUM:
- return SIM_SH_BANK_MACH_REGNUM;
+ return SIM_SH_BANK_MACH_REGNUM;
default:
- break;
+ break;
}
return legacy_register_sim_regno (gdbarch, nr);
}
static void
sh_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
- struct dwarf2_frame_state_reg *reg,
+ struct dwarf2_frame_state_reg *reg,
struct frame_info *this_frame)
{
/* Mark the PC as the destination for the return address. */
if (!cache->uses_fp)
{
/* We didn't find a valid frame, which means that CACHE->base
- currently holds the frame pointer for our calling frame. If
- we're at the start of a function, or somewhere half-way its
- prologue, the function's frame probably hasn't been fully
- setup yet. Try to reconstruct the base address for the stack
- frame by looking at the stack pointer. For truly "frameless"
- functions this might work too. */
+ currently holds the frame pointer for our calling frame. If
+ we're at the start of a function, or somewhere half-way its
+ prologue, the function's frame probably hasn't been fully
+ setup yet. Try to reconstruct the base address for the stack
+ frame by looking at the stack pointer. For truly "frameless"
+ functions this might work too. */
cache->base = get_frame_register_unsigned
(this_frame, gdbarch_sp_regnum (gdbarch));
}
if (regnum < SH_NUM_REGS && cache->saved_regs[regnum] != -1)
return frame_unwind_got_memory (this_frame, regnum,
- cache->saved_regs[regnum]);
+ cache->saved_regs[regnum]);
return frame_unwind_got_register (this_frame, regnum, regnum);
}
}
static const struct frame_unwind sh_frame_unwind = {
+ "sh prologue",
NORMAL_FRAME,
default_frame_unwind_stop_reason,
sh_frame_this_id,
static void
sh_stub_this_id (struct frame_info *this_frame, void **this_cache,
- struct frame_id *this_id)
+ struct frame_id *this_id)
{
struct sh_frame_cache *cache;
static int
sh_stub_unwind_sniffer (const struct frame_unwind *self,
- struct frame_info *this_frame,
- void **this_prologue_cache)
+ struct frame_info *this_frame,
+ void **this_prologue_cache)
{
CORE_ADDR addr_in_block;
static const struct frame_unwind sh_stub_unwind =
{
+ "sh stub",
NORMAL_FRAME,
default_frame_unwind_stop_reason,
sh_stub_this_id,
{
ULONGEST inst;
/* The sh epilogue is max. 14 bytes long. Give another 14 bytes
- for a nop and some fixed data (e.g. big offsets) which are
- unfortunately also treated as part of the function (which
- means, they are below func_end. */
+ for a nop and some fixed data (e.g. big offsets) which are
+ unfortunately also treated as part of the function (which
+ means, they are below func_end. */
CORE_ADDR addr = func_end - 28;
if (addr < func_addr + 4)
addr = func_addr + 4;
return 0;
/* At this point we should find a mov.l @r15+,r14 instruction,
- either before or after the rts. If not, then the function has
- probably no "normal" epilogue and we bail out here. */
+ either before or after the rts. If not, then the function has
+ probably no "normal" epilogue and we bail out here. */
inst = read_memory_unsigned_integer (addr - 2, 2, byte_order);
if (IS_RESTORE_FP (read_memory_unsigned_integer (addr - 2, 2,
byte_order)))
}
/* Now check for FP adjustments, using add #imm,r14 or add rX, r14
- instructions. */
+ instructions. */
while (addr > func_addr + 4
&& (IS_ADD_REG_TO_FP (inst) || IS_ADD_IMM_FP (inst)))
{
}
/* On SH2a check if the previous instruction was perhaps a MOVI20.
- That's allowed for the epilogue. */
+ That's allowed for the epilogue. */
if ((gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_sh2a
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_sh2a_nofpu)
- && addr > func_addr + 6
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_sh2a_nofpu)
+ && addr > func_addr + 6
&& IS_MOVI20 (read_memory_unsigned_integer (addr - 4, 2,
byte_order)))
addr -= 4;
int regnum, const void *regs, size_t len)
{
struct gdbarch *gdbarch = regcache->arch ();
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ sh_gdbarch_tdep *tdep = (sh_gdbarch_tdep *) gdbarch_tdep (gdbarch);
const struct sh_corefile_regmap *regmap = (regset == &sh_corefile_gregset
? tdep->core_gregmap
: tdep->core_fpregmap);
int regnum, void *regs, size_t len)
{
struct gdbarch *gdbarch = regcache->arch ();
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ sh_gdbarch_tdep *tdep = (sh_gdbarch_tdep *) gdbarch_tdep (gdbarch);
const struct sh_corefile_regmap *regmap = (regset == &sh_corefile_gregset
? tdep->core_gregmap
: tdep->core_fpregmap);
void *cb_data,
const struct regcache *regcache)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ sh_gdbarch_tdep *tdep = (sh_gdbarch_tdep *) gdbarch_tdep (gdbarch);
if (tdep->core_gregmap != NULL)
cb (".reg", tdep->sizeof_gregset, tdep->sizeof_gregset,
sh_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
- struct gdbarch_tdep *tdep;
/* If there is already a candidate, use it. */
arches = gdbarch_list_lookup_by_info (arches, &info);
/* None found, create a new architecture from the information
provided. */
- tdep = XCNEW (struct gdbarch_tdep);
+ sh_gdbarch_tdep *tdep = new sh_gdbarch_tdep;
gdbarch = gdbarch_alloc (&info, tdep);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
{
gdbarch_register (bfd_arch_sh, sh_gdbarch_init, NULL);
- add_basic_prefix_cmd ("sh", no_class, "SH specific commands.",
- &setshcmdlist, "set sh ", 0, &setlist);
- add_show_prefix_cmd ("sh", no_class, "SH specific commands.",
- &showshcmdlist, "show sh ", 0, &showlist);
+ add_setshow_prefix_cmd ("sh", no_class,
+ _("SH specific commands."),
+ _("SH specific commands."),
+ &setshcmdlist, &showshcmdlist,
+ &setlist, &showlist);
add_setshow_enum_cmd ("calling-convention", class_vars, sh_cc_enum,
&sh_active_calling_convention,