#include "language.h"
#include "arch-utils.h"
#include "regcache.h"
-
+#include "remote.h"
#include "floatformat.h"
#include "gdb/sim-d10v.h"
#include "sim-regno.h"
{
R0_REGNUM = 0,
R3_REGNUM = 3,
- _FP_REGNUM = 11,
+ D10V_FP_REGNUM = 11,
LR_REGNUM = 13,
_SP_REGNUM = 15,
PSW_REGNUM = 16,
static int
d10v_ts2_register_sim_regno (int nr)
{
- if (legacy_register_sim_regno (nr) < 0)
- return legacy_register_sim_regno (nr);
+ /* Only makes sense to supply raw registers. */
+ gdb_assert (nr >= 0 && nr < NUM_REGS);
if (nr >= TS2_IMAP0_REGNUM
&& nr < TS2_IMAP0_REGNUM + NR_IMAP_REGS)
return nr - TS2_IMAP0_REGNUM + SIM_D10V_IMAP0_REGNUM;
static int
d10v_ts3_register_sim_regno (int nr)
{
- if (legacy_register_sim_regno (nr) < 0)
- return legacy_register_sim_regno (nr);
+ /* Only makes sense to supply raw registers. */
+ gdb_assert (nr >= 0 && nr < NUM_REGS);
if (nr >= TS3_IMAP0_REGNUM
&& nr < TS3_IMAP0_REGNUM + NR_IMAP_REGS)
return nr - TS3_IMAP0_REGNUM + SIM_D10V_IMAP0_REGNUM;
{
if (reg_nr == PC_REGNUM)
return builtin_type_void_func_ptr;
- if (reg_nr == _SP_REGNUM || reg_nr == _FP_REGNUM)
+ if (reg_nr == _SP_REGNUM || reg_nr == D10V_FP_REGNUM)
return builtin_type_void_data_ptr;
else if (reg_nr >= A0_REGNUM
&& reg_nr < (A0_REGNUM + NR_A_REGS))
return val;
}
-/* Store the address of the place in which to copy the structure the
- subroutine will return. This is called from call_function.
-
- We store structs through a pointer passed in the first Argument
- register. */
-
-static void
-d10v_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
-{
- write_register (ARG1_REGNUM, (addr));
-}
-
/* Write into appropriate registers a function return value
of type TYPE, given in virtual format.
/* 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. */
- frame_unwind_unsigned_register (next_frame, FP_REGNUM, &this_base);
+ frame_unwind_unsigned_register (next_frame, D10V_FP_REGNUM, &this_base);
/* The FP points at the last saved register. Adjust the FP back
to before the first saved register giving the SP. */
prev_sp = this_base + info->size;
return (d10v_make_daddr (read_register (SP_REGNUM)));
}
-static void
-d10v_write_sp (CORE_ADDR val)
-{
- write_register (SP_REGNUM, d10v_convert_daddr_to_raw (val));
-}
-
static CORE_ADDR
d10v_read_fp (void)
{
- return (d10v_make_daddr (read_register (FP_REGNUM)));
-}
-
-/* Function: push_return_address (pc)
- Set up the return address for the inferior function call.
- Needed for targets where we don't actually execute a JSR/BSR instruction */
-
-static CORE_ADDR
-d10v_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
-{
- write_register (LR_REGNUM, d10v_convert_iaddr_to_raw (CALL_DUMMY_ADDRESS ()));
- return sp;
+ return (d10v_make_daddr (read_register (D10V_FP_REGNUM)));
}
-
/* When arguments must be pushed onto the stack, they go on in reverse
order. The below implements a FILO (stack) to do this. */
static CORE_ADDR
-d10v_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
+d10v_push_dummy_call (struct gdbarch *gdbarch, struct regcache *regcache,
+ CORE_ADDR dummy_addr, int nargs, struct value **args,
+ CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr)
{
int i;
int regnum = ARG1_REGNUM;
struct stack_item *si = NULL;
long val;
- /* If struct_return is true, then the struct return address will
- consume one argument-passing register. No need to actually
- write the value to the register -- that's done by
- d10v_store_struct_return(). */
+ /* Set the return address. For the d10v, the return breakpoint is
+ always at DUMMY_ADDR. */
+ regcache_cooked_write_unsigned (regcache, LR_REGNUM,
+ d10v_convert_iaddr_to_raw (dummy_addr));
+ /* 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)
- regnum++;
+ {
+ regcache_cooked_write_unsigned (regcache, regnum, struct_addr);
+ regnum++;
+ }
/* Fill in registers and arg lists */
for (i = 0; i < nargs; i++)
/* fits in a single register, do not align */
{
val = extract_unsigned_integer (contents, len);
- write_register (regnum++, val);
+ regcache_cooked_write_unsigned (regcache, regnum++, val);
}
else if (len <= (ARGN_REGNUM - aligned_regnum + 1) * 2)
/* value fits in remaining registers, store keeping left
for (b = 0; b < (len & ~1); b += 2)
{
val = extract_unsigned_integer (&contents[b], 2);
- write_register (regnum++, val);
+ regcache_cooked_write_unsigned (regcache, regnum++, val);
}
if (b < len)
{
val = extract_unsigned_integer (&contents[b], 1);
- write_register (regnum++, (val << 8));
+ regcache_cooked_write_unsigned (regcache, regnum++, (val << 8));
}
}
else
si = pop_stack_item (si);
}
+ /* Finally, update the SP register. */
+ regcache_cooked_write_unsigned (regcache, SP_REGNUM,
+ d10v_convert_daddr_to_raw (sp));
+
return sp;
}
{
int i, count;
CORE_ADDR low, high;
- char *space_index;
if (!arg)
{
low = 0;
high = trace_data.size;
}
- else if (!(space_index = (char *) strchr (arg, ' ')))
- {
- low = parse_and_eval_address (arg);
- high = low + 5;
- }
else
- {
- /* Two arguments. */
- *space_index = '\0';
- low = parse_and_eval_address (arg);
- high = parse_and_eval_address (space_index + 1);
- if (high < low)
- high = low;
+ {
+ char *space_index = strchr (arg, ' ');
+ if (space_index == NULL)
+ {
+ low = parse_and_eval_address (arg);
+ high = low + 5;
+ }
+ else
+ {
+ /* Two arguments. */
+ *space_index = '\0';
+ low = parse_and_eval_address (arg);
+ high = parse_and_eval_address (space_index + 1);
+ if (high < low)
+ high = low;
+ }
}
printf_filtered ("Dump of trace from %s to %s:\n", paddr_u (low), paddr_u (high));
static struct gdbarch *
d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
- static LONGEST d10v_call_dummy_words[] =
- {0};
struct gdbarch *gdbarch;
int d10v_num_regs;
struct gdbarch_tdep *tdep;
set_gdbarch_write_pc (gdbarch, d10v_write_pc);
set_gdbarch_read_fp (gdbarch, d10v_read_fp);
set_gdbarch_read_sp (gdbarch, d10v_read_sp);
- set_gdbarch_write_sp (gdbarch, d10v_write_sp);
set_gdbarch_num_regs (gdbarch, d10v_num_regs);
set_gdbarch_sp_regnum (gdbarch, 15);
- set_gdbarch_fp_regnum (gdbarch, 11);
set_gdbarch_pc_regnum (gdbarch, 18);
set_gdbarch_register_name (gdbarch, d10v_register_name);
set_gdbarch_register_size (gdbarch, 2);
}
set_gdbarch_call_dummy_length (gdbarch, 0);
- set_gdbarch_call_dummy_address (gdbarch, entry_point_address);
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_call_dummy_words (gdbarch, d10v_call_dummy_words);
- set_gdbarch_sizeof_call_dummy_words (gdbarch, sizeof (d10v_call_dummy_words));
- set_gdbarch_call_dummy_p (gdbarch, 1);
set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
set_gdbarch_extract_return_value (gdbarch, d10v_extract_return_value);
- set_gdbarch_push_arguments (gdbarch, d10v_push_arguments);
- set_gdbarch_push_return_address (gdbarch, d10v_push_return_address);
-
- set_gdbarch_store_struct_return (gdbarch, d10v_store_struct_return);
+ set_gdbarch_push_dummy_call (gdbarch, d10v_push_dummy_call);
set_gdbarch_store_return_value (gdbarch, d10v_store_return_value);
set_gdbarch_extract_struct_value_address (gdbarch, d10v_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, d10v_use_struct_convention);
set_gdbarch_stack_align (gdbarch, d10v_stack_align);
set_gdbarch_register_sim_regno (gdbarch, d10v_register_sim_regno);
- set_gdbarch_extra_stack_alignment_needed (gdbarch, 0);
set_gdbarch_print_registers_info (gdbarch, d10v_print_registers_info);
return gdbarch;
}
-
-extern void (*target_resume_hook) (void);
-extern void (*target_wait_loop_hook) (void);
-
void
_initialize_d10v_tdep (void)
{
projects / deliverable / binutils-gdb.git / blobdiff