/* Target-dependent code for the Sanyo Xstormy16a (LC590000) processor.
- Copyright 2001, 2002 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
if (fi == NULL)
return; /* paranoia */
- if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fi), get_frame_base (fi),
+ get_frame_base (fi)))
{
generic_pop_dummy_frame ();
}
{
/* Restore the saved regs. */
for (i = 0; i < NUM_REGS; i++)
- if (fi->saved_regs[i])
+ if (get_frame_saved_regs (fi)[i])
{
if (i == SP_REGNUM)
- write_register (i, fi->saved_regs[i]);
+ write_register (i, get_frame_saved_regs (fi)[i]);
else if (i == E_PC_REGNUM)
- write_register (i, read_memory_integer (fi->saved_regs[i],
+ write_register (i, read_memory_integer (get_frame_saved_regs (fi)[i],
xstormy16_pc_size));
else
- write_register (i, read_memory_integer (fi->saved_regs[i],
+ write_register (i, read_memory_integer (get_frame_saved_regs (fi)[i],
xstormy16_reg_size));
}
/* Restore the PC */
- write_register (PC_REGNUM, FRAME_SAVED_PC (fi));
+ write_register (PC_REGNUM, DEPRECATED_FRAME_SAVED_PC (fi));
flush_cached_frames ();
}
return;
if (fi)
{
/* In a call dummy, don't touch the frame. */
- if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fi), get_frame_base (fi),
+ get_frame_base (fi)))
return start_addr;
/* Grab the frame-relative values of SP and FP, needed below.
fp = xstormy16_frame_saved_register (fi, E_FP_REGNUM);
/* Initialize framesize with size of PC put on stack by CALLF inst. */
- fi->extra_info->framesize = xstormy16_pc_size;
+ get_frame_extra_info (fi)->framesize = xstormy16_pc_size;
}
for (next_addr = start_addr;
next_addr < end_addr; next_addr += xstormy16_inst_size)
if (fi)
{
regnum = inst & 0x000f;
- fi->saved_regs[regnum] = fi->extra_info->framesize;
- fi->extra_info->framesize += xstormy16_reg_size;
+ get_frame_saved_regs (fi)[regnum] = get_frame_extra_info (fi)->framesize;
+ get_frame_extra_info (fi)->framesize += xstormy16_reg_size;
}
}
else if (inst == 0x301f || inst == 0x303f) /* inc r15, #0x1/#0x3 */
{
if (fi) /* Record the frame size. */
- fi->extra_info->framesize += ((inst & 0x0030) >> 4) + 1;
+ get_frame_extra_info (fi)->framesize += ((inst & 0x0030) >> 4) + 1;
}
/* optional stack allocation for args and local vars > 4 && < 16 byte */
else if ((inst & 0xff0f) == 0x510f) /* 51Hf add r15, #0xH */
{
if (fi) /* Record the frame size. */
- fi->extra_info->framesize += (inst & 0x00f0) >> 4;
+ get_frame_extra_info (fi)->framesize += (inst & 0x00f0) >> 4;
}
/* optional stack allocation for args and local vars >= 16 byte */
else if (inst == 0x314f && inst2 >= 0x0010) /* 314f HHHH add r15, #0xH */
{
if (fi) /* Record the frame size. */
- fi->extra_info->framesize += inst2;
+ get_frame_extra_info (fi)->framesize += inst2;
next_addr += xstormy16_inst_size;
}
else if (inst == 0x46fd) /* mov r13, r15 */
{
if (fi) /* Record that the frame pointer is in use. */
- fi->extra_info->frameless_p = 0;
+ get_frame_extra_info (fi)->frameless_p = 0;
if (frameless)
*frameless = 0;
}
if (offset & 0x0800)
offset -= 0x1000;
- fi->saved_regs[regnum] = fi->extra_info->framesize + offset;
+ get_frame_saved_regs (fi)[regnum] = get_frame_extra_info (fi)->framesize + offset;
}
next_addr += xstormy16_inst_size;
}
by convention what we put here is simply the previous
_value_ of the SP (as opposed to an address where the
previous value would have been pushed). */
- if (fi->extra_info->frameless_p)
+ if (get_frame_extra_info (fi)->frameless_p)
{
- fi->saved_regs[E_SP_REGNUM] = sp - fi->extra_info->framesize;
- fi->frame = sp;
+ get_frame_saved_regs (fi)[E_SP_REGNUM] = sp - get_frame_extra_info (fi)->framesize;
+ deprecated_update_frame_base_hack (fi, sp);
}
else
{
- fi->saved_regs[E_SP_REGNUM] = fp - fi->extra_info->framesize;
- fi->frame = fp;
+ get_frame_saved_regs (fi)[E_SP_REGNUM] = fp - get_frame_extra_info (fi)->framesize;
+ deprecated_update_frame_base_hack (fi, fp);
}
/* So far only offsets to the beginning of the frame are
sp, fp and framesize. We know the beginning of the frame
so we can translate the register offsets to real addresses. */
for (regnum = 0; regnum < E_SP_REGNUM; ++regnum)
- if (fi->saved_regs[regnum])
- fi->saved_regs[regnum] += fi->saved_regs[E_SP_REGNUM];
+ if (get_frame_saved_regs (fi)[regnum])
+ get_frame_saved_regs (fi)[regnum] += get_frame_saved_regs (fi)[E_SP_REGNUM];
/* Save address of PC on stack. */
- fi->saved_regs[E_PC_REGNUM] = fi->saved_regs[E_SP_REGNUM];
+ get_frame_saved_regs (fi)[E_PC_REGNUM] = get_frame_saved_regs (fi)[E_SP_REGNUM];
}
return next_addr;
actual value of the previous frame's stack register.
This function may be called in any context where the saved register
- values may be needed (backtrace, frame_info, get_saved_register).
- On many targets, it is called directly by init_extra_frame_info,
- in part because the information may be needed immediately by
- frame_chain.
-*/
+ values may be needed (backtrace, frame_info, frame_register). On
+ many targets, it is called directly by init_extra_frame_info, in
+ part because the information may be needed immediately by
+ frame_chain. */
static void
xstormy16_frame_init_saved_regs (struct frame_info *fi)
{
CORE_ADDR func_addr, func_end;
- if (!fi->saved_regs)
+ if (!get_frame_saved_regs (fi))
{
frame_saved_regs_zalloc (fi);
/* Find the beginning of this function, so we can analyze its
prologue. */
- if (find_pc_partial_function (fi->pc, NULL, &func_addr, &func_end))
- xstormy16_scan_prologue (func_addr, fi->pc, fi, NULL);
+ if (find_pc_partial_function (get_frame_pc (fi), NULL, &func_addr, &func_end))
+ xstormy16_scan_prologue (func_addr, get_frame_pc (fi), fi, NULL);
/* Else we're out of luck (can't debug completely stripped code).
FIXME. */
}
{
CORE_ADDR saved_pc;
- if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fi), get_frame_base (fi),
+ get_frame_base (fi)))
{
- saved_pc = deprecated_read_register_dummy (fi->pc, fi->frame,
+ saved_pc = deprecated_read_register_dummy (get_frame_pc (fi),
+ get_frame_base (fi),
E_PC_REGNUM);
}
else
{
- saved_pc = read_memory_unsigned_integer (fi->saved_regs[E_PC_REGNUM],
+ saved_pc = read_memory_unsigned_integer (get_frame_saved_regs (fi)[E_PC_REGNUM],
xstormy16_pc_size);
}
static void
xstormy16_init_extra_frame_info (int fromleaf, struct frame_info *fi)
{
- if (!fi->extra_info)
+ if (!get_frame_extra_info (fi))
{
- fi->extra_info = (struct frame_extra_info *)
- frame_obstack_alloc (sizeof (struct frame_extra_info));
- fi->extra_info->framesize = 0;
- fi->extra_info->frameless_p = 1; /* Default frameless, detect framed */
+ frame_extra_info_zalloc (fi, sizeof (struct frame_extra_info));
+ get_frame_extra_info (fi)->framesize = 0;
+ get_frame_extra_info (fi)->frameless_p = 1; /* Default frameless, detect framed */
/* By default, the fi->frame is set to the value of the FP reg by gdb.
This may not always be right; we may be in a frameless function,
or we may be in the prologue, before the FP has been set up.
Unfortunately, we can't make this determination without first
calling scan_prologue, and we can't do that unles we know the
- fi->pc. */
+ get_frame_pc (fi). */
- if (!fi->pc)
+ if (!get_frame_pc (fi))
{
/* Sometimes we are called from get_prev_frame without
the PC being set up first. Long history, don't ask.
Fortunately this will never happen from the outermost
frame, so we should be able to get the saved pc from
the next frame. */
- if (fi->next)
- fi->pc = xstormy16_frame_saved_pc (fi->next);
+ if (get_next_frame (fi))
+ deprecated_update_frame_pc_hack (fi, xstormy16_frame_saved_pc (get_next_frame (fi)));
}
/* Take care of the saved_regs right here (non-lazy). */
static CORE_ADDR
xstormy16_frame_chain (struct frame_info *fi)
{
- if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fi), get_frame_base (fi),
+ get_frame_base (fi)))
{
/* Call dummy's frame is the same as caller's. */
- return fi->frame;
+ return get_frame_base (fi);
}
else
{
/* Return computed offset from this frame's fp. */
- return fi->frame - fi->extra_info->framesize;
+ return get_frame_base (fi) - get_frame_extra_info (fi)->framesize;
}
}
static int
xstormy16_frame_chain_valid (CORE_ADDR chain, struct frame_info *thisframe)
{
- return chain < 0x8000 && FRAME_SAVED_PC (thisframe) >= 0x8000 &&
- (thisframe->extra_info->frameless_p ||
- thisframe->frame - thisframe->extra_info->framesize == chain);
+ return chain < 0x8000 && DEPRECATED_FRAME_SAVED_PC (thisframe) >= 0x8000 &&
+ (get_frame_extra_info (thisframe)->frameless_p ||
+ get_frame_base (thisframe) - get_frame_extra_info (thisframe)->framesize == chain);
}
-/* Function: xstormy16_saved_pc_after_call
- Returns the previous PC immediately after a function call.
- This function is meant to bypass the regular get_saved_register
- mechanism, ie. it is meant to work even if the frame isn't complete.
- Called by step_over_function, and sometimes by get_prev_frame.
-*/
+/* Function: xstormy16_saved_pc_after_call Returns the previous PC
+ immediately after a function call. This function is meant to
+ bypass the regular frame_register() mechanism, ie. it is meant to
+ work even if the frame isn't complete. Called by
+ step_over_function, and sometimes by get_prev_frame. */
static CORE_ADDR
xstormy16_saved_pc_after_call (struct frame_info *ignore)
}
static CORE_ADDR
-xstormy16_pointer_to_address (struct type *type, void *buf)
+xstormy16_pointer_to_address (struct type *type, const void *buf)
{
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
CORE_ADDR addr = extract_address (buf, TYPE_LENGTH (type));
gdbarch = gdbarch_alloc (&info, 0);
+ /* NOTE: cagney/2002-12-06: This can be deleted when this arch is
+ ready to unwind the PC first (see frame.c:get_prev_frame()). */
+ set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_default);
+
/*
* Basic register fields and methods.
*/
set_gdbarch_register_bytes (gdbarch, E_ALL_REGS_SIZE);
set_gdbarch_register_byte (gdbarch, xstormy16_register_byte);
set_gdbarch_register_raw_size (gdbarch, xstormy16_register_raw_size);
- set_gdbarch_max_register_raw_size (gdbarch, xstormy16_pc_size);
+ set_gdbarch_deprecated_max_register_raw_size (gdbarch, xstormy16_pc_size);
set_gdbarch_register_virtual_size (gdbarch, xstormy16_register_raw_size);
- set_gdbarch_max_register_virtual_size (gdbarch, 4);
+ set_gdbarch_deprecated_max_register_virtual_size (gdbarch, 4);
set_gdbarch_register_virtual_type (gdbarch, xstormy16_reg_virtual_type);
/*
* Frame Info
*/
- set_gdbarch_init_extra_frame_info (gdbarch,
+ set_gdbarch_deprecated_init_extra_frame_info (gdbarch,
xstormy16_init_extra_frame_info);
- set_gdbarch_frame_init_saved_regs (gdbarch,
+ set_gdbarch_deprecated_frame_init_saved_regs (gdbarch,
xstormy16_frame_init_saved_regs);
- set_gdbarch_frame_chain (gdbarch, xstormy16_frame_chain);
- set_gdbarch_get_saved_register (gdbarch, xstormy16_get_saved_register);
+ set_gdbarch_deprecated_frame_chain (gdbarch, xstormy16_frame_chain);
+ set_gdbarch_deprecated_get_saved_register (gdbarch, xstormy16_get_saved_register);
set_gdbarch_saved_pc_after_call (gdbarch, xstormy16_saved_pc_after_call);
- set_gdbarch_frame_saved_pc (gdbarch, xstormy16_frame_saved_pc);
+ set_gdbarch_deprecated_frame_saved_pc (gdbarch, xstormy16_frame_saved_pc);
set_gdbarch_skip_prologue (gdbarch, xstormy16_skip_prologue);
- set_gdbarch_frame_chain_valid (gdbarch, xstormy16_frame_chain_valid);
+ set_gdbarch_deprecated_frame_chain_valid (gdbarch, xstormy16_frame_chain_valid);
set_gdbarch_in_function_epilogue_p (gdbarch,
xstormy16_in_function_epilogue_p);
/* OK to default this value to 'unknown'. */
set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
- /* W/o prototype, coerce float args to double. */
- set_gdbarch_coerce_float_to_double (gdbarch,
- standard_coerce_float_to_double);
-
/*
* Call Dummies
*
* These values and methods are used when gdb calls a target function. */
- set_gdbarch_use_generic_dummy_frames (gdbarch, 1);
- set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
set_gdbarch_push_return_address (gdbarch, xstormy16_push_return_address);
set_gdbarch_deprecated_extract_return_value (gdbarch, xstormy16_extract_return_value);
- set_gdbarch_push_arguments (gdbarch, xstormy16_push_arguments);
- set_gdbarch_pop_frame (gdbarch, xstormy16_pop_frame);
- set_gdbarch_store_struct_return (gdbarch, xstormy16_store_struct_return);
+ set_gdbarch_deprecated_push_arguments (gdbarch, xstormy16_push_arguments);
+ set_gdbarch_deprecated_pop_frame (gdbarch, xstormy16_pop_frame);
+ set_gdbarch_deprecated_store_struct_return (gdbarch, xstormy16_store_struct_return);
set_gdbarch_deprecated_store_return_value (gdbarch, xstormy16_store_return_value);
set_gdbarch_deprecated_extract_struct_value_address (gdbarch, xstormy16_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch,
xstormy16_use_struct_convention);
- set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
set_gdbarch_call_dummy_address (gdbarch, entry_point_address);
set_gdbarch_call_dummy_start_offset (gdbarch, 0);
set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
set_gdbarch_call_dummy_length (gdbarch, 0);
- set_gdbarch_pc_in_call_dummy (gdbarch, generic_pc_in_call_dummy);
set_gdbarch_call_dummy_p (gdbarch, 1);
set_gdbarch_call_dummy_words (gdbarch, call_dummy_words);
set_gdbarch_sizeof_call_dummy_words (gdbarch, 0);
- set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
- /* set_gdbarch_call_dummy_stack_adjust */
set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
set_gdbarch_breakpoint_from_pc (gdbarch, xstormy16_breakpoint_from_pc);
+ set_gdbarch_char_signed (gdbarch, 0);
set_gdbarch_int_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_pointer_to_address (gdbarch, xstormy16_pointer_to_address);
set_gdbarch_stack_align (gdbarch, xstormy16_stack_align);
- set_gdbarch_extra_stack_alignment_needed (gdbarch, 0);
set_gdbarch_save_dummy_frame_tos (gdbarch, xstormy16_save_dummy_frame_tos);
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