/* Target-dependent code for Renesas M32R, for GDB.
- Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ Copyright (C) 1996-2021 Free Software Foundation, Inc.
This file is part of GDB.
#include "regcache.h"
#include "trad-frame.h"
#include "dis-asm.h"
-#include "objfiles.h"
#include "m32r-tdep.h"
#include <algorithm>
}
}
-static const char *m32r_register_names[] = {
+static const char * const m32r_register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "fp", "lr", "sp",
"psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
break;
/* If this is a 32 bit instruction, we dont want to examine its
- immediate data as though it were an instruction. */
+ immediate data as though it were an instruction. */
if (current_pc & 0x02)
{
/* Decode this instruction further. */
framesize -= stack_adjust;
after_prologue = 0;
/* A frameless function may have no "mv fp, sp".
- In that case, this is the end of the prologue. */
+ In that case, this is the end of the prologue. */
after_stack_adjust = current_pc + 2;
}
continue;
LONGEST r13_offset;
int uses_frame;
/* Table indicating the location of each and every register. */
- struct trad_frame_saved_reg *saved_regs;
+ trad_frame_saved_reg *saved_regs;
};
/* Put here the code to store, into fi->saved_regs, the addresses of
/* st rn, @-sp */
int regno = ((op >> 8) & 0xf);
info->sp_offset -= 4;
- info->saved_regs[regno].addr = info->sp_offset;
+ info->saved_regs[regno].set_addr (info->sp_offset);
}
else if ((op & 0xff00) == 0x4f00)
{
if (info->uses_frame)
{
/* 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. */
+ was created. Get THIS frame's FP value by unwinding it from
+ the next frame. */
this_base = get_frame_register_unsigned (this_frame, M32R_FP_REGNUM);
/* The FP points at the last saved register. Adjust the FP back
- to before the first saved register giving the SP. */
+ to before the first saved register giving the SP. */
prev_sp = this_base + info->size;
}
else
{
/* Assume that the FP is this frame's SP but with that pushed
- stack space added back. */
+ stack space added back. */
this_base = get_frame_register_unsigned (this_frame, M32R_SP_REGNUM);
prev_sp = this_base + info->size;
}
/* Adjust all the saved registers so that they contain addresses and
not offsets. */
for (i = 0; i < gdbarch_num_regs (get_frame_arch (this_frame)) - 1; i++)
- if (trad_frame_addr_p (info->saved_regs, i))
- info->saved_regs[i].addr = (info->prev_sp + info->saved_regs[i].addr);
+ if (info->saved_regs[i].is_addr ())
+ info->saved_regs[i].set_addr (info->prev_sp
+ + info->saved_regs[i].addr ());
/* The call instruction moves the caller's PC in the callee's LR.
Since this is an unwind, do the reverse. Copy the location of LR
/* The previous frame's SP needed to be computed. Save the computed
value. */
- trad_frame_set_value (info->saved_regs, M32R_SP_REGNUM, prev_sp);
+ info->saved_regs[M32R_SP_REGNUM].set_value (prev_sp);
return info;
}
-static CORE_ADDR
-m32r_read_pc (struct regcache *regcache)
-{
- ULONGEST pc;
- regcache_cooked_read_unsigned (regcache, M32R_PC_REGNUM, &pc);
- return pc;
-}
-
-static CORE_ADDR
-m32r_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, M32R_SP_REGNUM);
-}
-
-
static CORE_ADDR
m32r_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,
+ struct value **args, CORE_ADDR sp,
+ function_call_return_method return_method,
CORE_ADDR struct_addr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
/* If STRUCT_RETURN is true, then the struct return address (in
STRUCT_ADDR) will consume the first argument-passing register.
Both adjust the register count and store that value. */
- if (struct_return)
+ if (return_method == return_method_struct)
{
regcache_cooked_write_unsigned (regcache, argreg, struct_addr);
argreg++;
for (argnum = 0, stack_offset = 0; argnum < nargs; argnum++)
{
type = value_type (args[argnum]);
- typecode = TYPE_CODE (type);
+ typecode = type->code ();
len = TYPE_LENGTH (type);
memset (valbuf, 0, sizeof (valbuf));
}
}
-
-
-static CORE_ADDR
-m32r_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, M32R_PC_REGNUM);
-}
-
/* Given a GDB frame, determine the address of the calling function's
frame. This will be used to create a new GDB frame struct. */
m32r_frame_base_address
};
-/* 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
-m32r_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
- CORE_ADDR sp = get_frame_register_unsigned (this_frame, M32R_SP_REGNUM);
- return frame_id_build (sp, get_frame_pc (this_frame));
-}
-
-
static gdbarch_init_ftype m32r_gdbarch_init;
static struct gdbarch *
set_gdbarch_wchar_bit (gdbarch, 16);
set_gdbarch_wchar_signed (gdbarch, 0);
- set_gdbarch_read_pc (gdbarch, m32r_read_pc);
- set_gdbarch_unwind_sp (gdbarch, m32r_unwind_sp);
-
set_gdbarch_num_regs (gdbarch, M32R_NUM_REGS);
set_gdbarch_pc_regnum (gdbarch, M32R_PC_REGNUM);
set_gdbarch_sp_regnum (gdbarch, M32R_SP_REGNUM);
frame_base_set_default (gdbarch, &m32r_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_dummy_id (gdbarch, m32r_dummy_id);
-
- /* Return the unwound PC value. */
- set_gdbarch_unwind_pc (gdbarch, m32r_unwind_pc);
-
/* Hook in ABI-specific overrides, if they have been registered. */
gdbarch_init_osabi (info, gdbarch);
return gdbarch;
}
+void _initialize_m32r_tdep ();
void
-_initialize_m32r_tdep (void)
+_initialize_m32r_tdep ()
{
register_gdbarch_init (bfd_arch_m32r, m32r_gdbarch_init);
}
projects / deliverable / binutils-gdb.git / blobdiff