#include "defs.h"
#include "frame.h"
#include "frame-unwind.h"
+#include "frame-base.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
struct d10v_unwind_cache
{
CORE_ADDR return_pc;
- /* The frame's base. Used when constructing a frame ID. */
+ /* The previous frame's inner most stack address. Used as this
+ frame ID's stack_addr. */
+ CORE_ADDR prev_sp;
+ /* The frame's base, optionally used by the high-level debug info. */
CORE_ADDR base;
int size;
CORE_ADDR *saved_regs;
info->return_pc = 0;
info->sp_offset = 0;
- pc = get_pc_function_start (frame_pc_unwind (next_frame));
-
info->uses_frame = 0;
- while (1)
+ for (pc = frame_func_unwind (next_frame);
+ pc < frame_pc_unwind (next_frame);
+ pc += 4)
{
op = (unsigned long) read_memory_integer (pc, 4);
if ((op & 0xC0000000) == 0xC0000000)
|| !prologue_find_regs (info, op2, pc))
break;
}
- pc += 4;
}
info->size = -info->sp_offset;
}
info->base = d10v_make_daddr (this_base);
- prev_sp = d10v_make_daddr (prev_sp);
+ info->prev_sp = d10v_make_daddr (prev_sp);
/* Adjust all the saved registers so that they contain addresses and
not offsets. */
for (i = 0; i < NUM_REGS - 1; i++)
if (info->saved_regs[i])
{
- info->saved_regs[i] = (prev_sp + info->saved_regs[i]);
+ info->saved_regs[i] = (info->prev_sp + info->saved_regs[i]);
}
if (info->saved_regs[LR_REGNUM])
/* The SP_REGNUM is special. Instead of the address of the SP, the
previous frame's SP value is saved. */
- info->saved_regs[SP_REGNUM] = prev_sp;
+ info->saved_regs[SP_REGNUM] = info->prev_sp;
return info;
}
CORE_ADDR base;
CORE_ADDR pc;
- /* Start with a NULL frame ID. */
- (*this_id) = null_frame_id;
-
/* The PC is easy. */
pc = frame_pc_unwind (next_frame);
/* Hopefully the prologue analysis either correctly determined the
frame's base (which is the SP from the previous frame), or set
that base to "NULL". */
- base = info->base;
+ base = info->prev_sp;
if (base == STACK_START || base == 0)
return;
compare the frame's PC value. */
if (frame_relative_level (next_frame) >= 0
&& get_frame_type (next_frame) != DUMMY_FRAME
- && get_frame_id (next_frame).pc == pc
- && get_frame_id (next_frame).base == base)
+ && get_frame_pc (next_frame) == pc
+ && get_frame_base (next_frame) == base)
return;
- this_id->base = base;
- this_id->pc = pc;
+ (*this_id) = frame_id_build (base, pc);
}
static void
}
}
-
-static struct frame_unwind d10v_frame_unwind = {
+static const struct frame_unwind d10v_frame_unwind = {
+ NORMAL_FRAME,
d10v_frame_this_id,
d10v_frame_prev_register
};
return &d10v_frame_unwind;
}
+static CORE_ADDR
+d10v_frame_base_address (struct frame_info *next_frame, void **this_cache)
+{
+ struct d10v_unwind_cache *info
+ = d10v_frame_unwind_cache (next_frame, this_cache);
+ return info->base;
+}
+
+static const struct frame_base d10v_frame_base = {
+ &d10v_frame_unwind,
+ d10v_frame_base_address,
+ d10v_frame_base_address,
+ d10v_frame_base_address
+};
+
/* Assuming NEXT_FRAME->prev 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
d10v_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
ULONGEST base;
- struct frame_id id;
- id.pc = frame_pc_unwind (next_frame);
frame_unwind_unsigned_register (next_frame, SP_REGNUM, &base);
- id.base = d10v_make_daddr (base);
- return id;
+ return frame_id_build (d10v_make_daddr (base), frame_pc_unwind (next_frame));
}
static gdbarch_init_ftype d10v_gdbarch_init;
"d10v_gdbarch_init: bad byte order for float format");
}
- set_gdbarch_call_dummy_length (gdbarch, 0);
- set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
- set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
- set_gdbarch_call_dummy_start_offset (gdbarch, 0);
- set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
-
set_gdbarch_extract_return_value (gdbarch, d10v_extract_return_value);
set_gdbarch_push_dummy_call (gdbarch, d10v_push_dummy_call);
set_gdbarch_store_return_value (gdbarch, d10v_store_return_value);
set_gdbarch_print_registers_info (gdbarch, d10v_print_registers_info);
frame_unwind_append_predicate (gdbarch, d10v_frame_p);
+ frame_base_set_default (gdbarch, &d10v_frame_base);
/* Methods for saving / extracting a dummy frame's ID. */
set_gdbarch_unwind_dummy_id (gdbarch, d10v_unwind_dummy_id);