/* Target-machine dependent code for Nios II, for GDB.
- Copyright (C) 2012-2021 Free Software Foundation, Inc.
+ Copyright (C) 2012-2024 Free Software Foundation, Inc.
Contributed by Peter Brookes (pbrookes@altera.com)
and Andrew Draper (adraper@altera.com).
Contributed by Mentor Graphics, Inc.
NIOS2_MPUACC_REGNUM /* 48 */
};
-gdb_static_assert (ARRAY_SIZE (nios2_dwarf2gdb_regno_map) == NIOS2_NUM_REGS);
+static_assert (ARRAY_SIZE (nios2_dwarf2gdb_regno_map) == NIOS2_NUM_REGS);
/* Implement the dwarf2_reg_to_regnum gdbarch method. */
nios2_register_name (struct gdbarch *gdbarch, int regno)
{
/* Use mnemonic aliases for GPRs. */
- if (regno >= 0 && regno < NIOS2_NUM_REGS)
+ if (regno < NIOS2_NUM_REGS)
return nios2_reg_names[regno];
else
return tdesc_register_name (gdbarch, regno);
nios2_extract_return_value (struct gdbarch *gdbarch, struct type *valtype,
struct regcache *regcache, gdb_byte *valbuf)
{
- int len = TYPE_LENGTH (valtype);
+ int len = valtype->length ();
/* Return values of up to 8 bytes are returned in $r2 $r3. */
if (len <= register_size (gdbarch, NIOS2_R2_REGNUM))
nios2_store_return_value (struct gdbarch *gdbarch, struct type *valtype,
struct regcache *regcache, const gdb_byte *valbuf)
{
- int len = TYPE_LENGTH (valtype);
+ int len = valtype->length ();
/* Return values of up to 8 bytes are returned in $r2 $r3. */
if (len <= register_size (gdbarch, NIOS2_R2_REGNUM))
nios2_analyze_prologue (struct gdbarch *gdbarch, const CORE_ADDR start_pc,
const CORE_ADDR current_pc,
struct nios2_unwind_cache *cache,
- struct frame_info *this_frame)
+ frame_info_ptr this_frame)
{
/* Maximum number of possibly-prologue instructions to check.
Note that this number should not be too large, else we can
int innermost = (this_frame ? (frame_relative_level (this_frame) == 0) : 1);
if (nios2_debug)
- fprintf_unfiltered (gdb_stdlog,
- "{ nios2_analyze_prologue start=%s, current=%s ",
- paddress (gdbarch, start_pc),
- paddress (gdbarch, current_pc));
+ gdb_printf (gdb_stdlog,
+ "{ nios2_analyze_prologue start=%s, current=%s ",
+ paddress (gdbarch, start_pc),
+ paddress (gdbarch, current_pc));
/* Set up the default values of the registers. */
nios2_setup_default (cache);
memcpy (temp_value, value, sizeof (temp_value));
value = temp_value;
if (nios2_debug)
- fprintf_unfiltered (gdb_stdlog, "*");
+ gdb_printf (gdb_stdlog, "*");
}
op = nios2_fetch_insn (gdbarch, pc, &insn);
if (nios2_debug)
{
if (op->size == 2)
- fprintf_unfiltered (gdb_stdlog, "[%04X]", insn & 0xffff);
+ gdb_printf (gdb_stdlog, "[%04X]", insn & 0xffff);
else
- fprintf_unfiltered (gdb_stdlog, "[%08X]", insn);
+ gdb_printf (gdb_stdlog, "[%08X]", insn);
}
/* The following instructions can appear in the prologue. */
cache->return_regnum = NIOS2_EA_REGNUM;
if (nios2_debug)
- fprintf_unfiltered (gdb_stdlog, "\n-> retreg=%d, ", cache->return_regnum);
+ gdb_printf (gdb_stdlog, "\n-> retreg=%d, ", cache->return_regnum);
if (cache->reg_value[NIOS2_FP_REGNUM].reg == NIOS2_SP_REGNUM)
/* If the FP now holds an offset from the CFA then this is a
/* Somehow the stack pointer has been corrupted.
We can't return. */
if (nios2_debug)
- fprintf_unfiltered (gdb_stdlog, "<can't reach cfa> }\n");
+ gdb_printf (gdb_stdlog, "<can't reach cfa> }\n");
return 0;
}
if (ra == current_pc)
{
if (nios2_debug)
- fprintf_unfiltered
+ gdb_printf
(gdb_stdlog,
"<noreturn ADJUST %s, r31@r%d+?>, r%d@r%d+?> }\n",
paddress (gdbarch, cache->reg_value[base_reg].offset),
}
if (nios2_debug)
- fprintf_unfiltered (gdb_stdlog, "cfa=%s }\n",
- paddress (gdbarch, cache->cfa));
+ gdb_printf (gdb_stdlog, "cfa=%s }\n",
+ paddress (gdbarch, cache->cfa));
return prologue_end;
}
struct type *type, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
- if (TYPE_LENGTH (type) > 8)
+ if (type->length () > 8)
return RETURN_VALUE_STRUCT_CONVENTION;
if (readbuf)
/* Now make space on the stack for the args. */
for (argnum = 0; argnum < nargs; argnum++)
- arg_space += align_up (TYPE_LENGTH (value_type (args[argnum])), 4);
+ arg_space += align_up (args[argnum]->type ()->length (), 4);
sp -= arg_space;
/* Initialize the register pointer. */
{
const gdb_byte *val;
struct value *arg = args[argnum];
- struct type *arg_type = check_typedef (value_type (arg));
- int len = TYPE_LENGTH (arg_type);
+ struct type *arg_type = check_typedef (arg->type ());
+ int len = arg_type->length ();
- val = value_contents (arg);
+ val = arg->contents ().data ();
/* Copy the argument to general registers or the stack in
register-sized pieces. Large arguments are split between
/* Implement the unwind_pc gdbarch method. */
static CORE_ADDR
-nios2_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
+nios2_unwind_pc (struct gdbarch *gdbarch, frame_info_ptr next_frame)
{
gdb_byte buf[4];
*THIS_PROLOGUE_CACHE first. */
static struct nios2_unwind_cache *
-nios2_frame_unwind_cache (struct frame_info *this_frame,
+nios2_frame_unwind_cache (frame_info_ptr this_frame,
void **this_prologue_cache)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
/* Implement the this_id function for the normal unwinder. */
static void
-nios2_frame_this_id (struct frame_info *this_frame, void **this_cache,
+nios2_frame_this_id (frame_info_ptr this_frame, void **this_cache,
struct frame_id *this_id)
{
struct nios2_unwind_cache *cache =
/* Implement the prev_register function for the normal unwinder. */
static struct value *
-nios2_frame_prev_register (struct frame_info *this_frame, void **this_cache,
+nios2_frame_prev_register (frame_info_ptr this_frame, void **this_cache,
int regnum)
{
struct nios2_unwind_cache *cache =
for the normal unwinder. */
static CORE_ADDR
-nios2_frame_base_address (struct frame_info *this_frame, void **this_cache)
+nios2_frame_base_address (frame_info_ptr this_frame, void **this_cache)
{
struct nios2_unwind_cache *info
= nios2_frame_unwind_cache (this_frame, this_cache);
static const struct frame_unwind nios2_frame_unwind =
{
+ "nios2 prologue",
NORMAL_FRAME,
default_frame_unwind_stop_reason,
nios2_frame_this_id,
in the stub unwinder. */
static struct trad_frame_cache *
-nios2_stub_frame_cache (struct frame_info *this_frame, void **this_cache)
+nios2_stub_frame_cache (frame_info_ptr this_frame, void **this_cache)
{
CORE_ADDR pc;
CORE_ADDR start_addr;
/* Implement the this_id function for the stub unwinder. */
static void
-nios2_stub_frame_this_id (struct frame_info *this_frame, void **this_cache,
+nios2_stub_frame_this_id (frame_info_ptr this_frame, void **this_cache,
struct frame_id *this_id)
{
struct trad_frame_cache *this_trad_cache
/* Implement the prev_register function for the stub unwinder. */
static struct value *
-nios2_stub_frame_prev_register (struct frame_info *this_frame,
+nios2_stub_frame_prev_register (frame_info_ptr this_frame,
void **this_cache, int regnum)
{
struct trad_frame_cache *this_trad_cache
static int
nios2_stub_frame_sniffer (const struct frame_unwind *self,
- struct frame_info *this_frame, void **cache)
+ frame_info_ptr this_frame, void **cache)
{
gdb_byte dummy[4];
CORE_ADDR pc = get_frame_address_in_block (this_frame);
static const struct frame_unwind nios2_stub_frame_unwind =
{
+ "nios2 stub",
NORMAL_FRAME,
default_frame_unwind_stop_reason,
nios2_stub_frame_this_id,
nios2_get_next_pc (struct regcache *regcache, CORE_ADDR pc)
{
struct gdbarch *gdbarch = regcache->arch ();
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ nios2_gdbarch_tdep *tdep = gdbarch_tdep<nios2_gdbarch_tdep> (gdbarch);
unsigned long mach = gdbarch_bfd_arch_info (gdbarch)->mach;
unsigned int insn;
const struct nios2_opcode *op = nios2_fetch_insn (gdbarch, pc, &insn);
/* Implement the get_longjump_target gdbarch method. */
static int
-nios2_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
+nios2_get_longjmp_target (frame_info_ptr frame, CORE_ADDR *pc)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ nios2_gdbarch_tdep *tdep = gdbarch_tdep<nios2_gdbarch_tdep> (gdbarch);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR jb_addr = get_frame_register_unsigned (frame, NIOS2_R4_REGNUM);
gdb_byte buf[4];
case TYPE_CODE_METHODPTR:
case TYPE_CODE_MEMBERPTR:
type = check_typedef (type);
- return std::min<ULONGEST> (4, TYPE_LENGTH (type));
+ return std::min<ULONGEST> (4, type->length ());
default:
return 0;
}
static struct gdbarch *
nios2_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
- struct gdbarch *gdbarch;
- struct gdbarch_tdep *tdep;
int i;
tdesc_arch_data_up tdesc_data;
const struct target_desc *tdesc = info.target_desc;
/* None found, create a new architecture from the information
provided. */
- tdep = XCNEW (struct gdbarch_tdep);
- gdbarch = gdbarch_alloc (&info, tdep);
+ gdbarch *gdbarch
+ = gdbarch_alloc (&info, gdbarch_tdep_up (new nios2_gdbarch_tdep));
+ nios2_gdbarch_tdep *tdep = gdbarch_tdep<nios2_gdbarch_tdep> (gdbarch);
/* longjmp support not enabled by default. */
tdep->jb_pc = -1;
projects / thirdparty / binutils-gdb.git / blobdiff