/* Target-machine dependent code for Zilog Z8000, for GDB.
- Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+
+ Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+ 2002 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "frame.h"
-#include "obstack.h"
#include "symtab.h"
#include "gdbcmd.h"
#include "gdbtypes.h"
#include "dis-asm.h"
#include "gdbcore.h"
+#include "regcache.h"
+
+#include "value.h" /* For read_register() */
+
+static int read_memory_pointer (CORE_ADDR x);
/* Return the saved PC from this frame.
just use the register SRP_REGNUM itself. */
CORE_ADDR
-frame_saved_pc (frame)
- struct frame_info *frame;
+z8k_frame_saved_pc (struct frame_info *frame)
{
return read_memory_pointer (frame->frame + (BIG ? 4 : 2));
}
return the pc pointing to the first push */
static CORE_ADDR
-skip_adjust (pc, size)
- CORE_ADDR pc;
- int *size;
+skip_adjust (CORE_ADDR pc, int *size)
{
*size = 0;
return pc;
}
-static CORE_ADDR examine_frame PARAMS ((CORE_ADDR, CORE_ADDR * regs, CORE_ADDR));
+static CORE_ADDR examine_frame (CORE_ADDR, CORE_ADDR * regs, CORE_ADDR);
static CORE_ADDR
-examine_frame (pc, regs, sp)
- CORE_ADDR pc;
- CORE_ADDR *regs;
- CORE_ADDR sp;
+examine_frame (CORE_ADDR pc, CORE_ADDR *regs, CORE_ADDR sp)
{
int w = read_memory_short (pc);
int offset = 0;
}
CORE_ADDR
-z8k_skip_prologue (start_pc)
- CORE_ADDR start_pc;
+z8k_skip_prologue (CORE_ADDR start_pc)
{
CORE_ADDR dummy[NUM_REGS];
}
CORE_ADDR
-z8k_addr_bits_remove (addr)
- CORE_ADDR addr;
+z8k_addr_bits_remove (CORE_ADDR addr)
{
return (addr & PTR_MASK);
}
-int
-read_memory_pointer (x)
- CORE_ADDR x;
+static int
+read_memory_pointer (CORE_ADDR x)
{
return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
}
CORE_ADDR
-frame_chain (thisframe)
- struct frame_info *thisframe;
+z8k_frame_chain (struct frame_info *thisframe)
{
- if (thisframe->prev == 0)
- {
- /* This is the top of the stack, let's get the sp for real */
- }
if (!inside_entry_file (thisframe->pc))
{
return read_memory_pointer (thisframe->frame);
}
void
-init_frame_pc ()
+init_frame_pc (void)
{
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
/* Put here the code to store, into a struct frame_saved_regs,
the address we return for it IS the sp for the next frame. */
void
-z8k_frame_init_saved_regs (frame_info)
- struct frame_info *frame_info;
+z8k_frame_init_saved_regs (struct frame_info *frame_info)
{
CORE_ADDR pc;
int w;
}
void
-z8k_push_dummy_frame ()
+z8k_push_dummy_frame (void)
{
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
int
-gdb_print_insn_z8k (memaddr, info)
- bfd_vma memaddr;
- disassemble_info *info;
+gdb_print_insn_z8k (bfd_vma memaddr, disassemble_info *info)
{
if (BIG)
return print_insn_z8001 (memaddr, info);
of the instruction. */
CORE_ADDR
-NEXT_PROLOGUE_INSN (addr, lim, pword1)
- CORE_ADDR addr;
- CORE_ADDR lim;
- short *pword1;
+NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, short *pword1)
{
char buf[2];
if (addr < lim + 8)
it is fairly expensive. */
void
-frame_find_saved_regs (fip, fsrp)
- struct frame_info *fip;
- struct frame_saved_regs *fsrp;
+frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp)
{
int locals;
CORE_ADDR pc;
#endif
int
-saved_pc_after_call ()
+z8k_saved_pc_after_call (struct frame_info *frame)
{
return ADDR_BITS_REMOVE
(read_memory_integer (read_register (SP_REGNUM), PTR_SIZE));
void
-extract_return_value (type, regbuf, valbuf)
- struct type *type;
- char *regbuf;
- char *valbuf;
+extract_return_value (struct type *type, char *regbuf, char *valbuf)
{
int b;
int len = TYPE_LENGTH (type);
}
void
-write_return_value (type, valbuf)
- struct type *type;
- char *valbuf;
+write_return_value (struct type *type, char *valbuf)
{
int reg;
int len;
}
void
-store_struct_return (addr, sp)
- CORE_ADDR addr;
- CORE_ADDR sp;
+store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
write_register (2, addr);
}
void
-print_register_hook (regno)
- int regno;
+z8k_print_register_hook (int regno)
{
if ((regno & 1) == 0 && regno < 16)
{
- unsigned short l[2];
+ unsigned char l[4];
- read_relative_register_raw_bytes (regno, (char *) (l + 0));
- read_relative_register_raw_bytes (regno + 1, (char *) (l + 1));
+ frame_register_read (selected_frame, regno, l + 0);
+ frame_register_read (selected_frame, regno + 1, l + 2);
printf_unfiltered ("\t");
- printf_unfiltered ("%04x%04x", l[0], l[1]);
+ printf_unfiltered ("0x%02x%02x%02x%02x", l[0], l[1], l[2], l[3]);
}
if ((regno & 3) == 0 && regno < 16)
{
- unsigned short l[4];
+ unsigned char l[8];
- read_relative_register_raw_bytes (regno, (char *) (l + 0));
- read_relative_register_raw_bytes (regno + 1, (char *) (l + 1));
- read_relative_register_raw_bytes (regno + 2, (char *) (l + 2));
- read_relative_register_raw_bytes (regno + 3, (char *) (l + 3));
+ frame_register_read (selected_frame, regno, l + 0);
+ frame_register_read (selected_frame, regno + 1, l + 2);
+ frame_register_read (selected_frame, regno + 2, l + 4);
+ frame_register_read (selected_frame, regno + 3, l + 6);
printf_unfiltered ("\t");
- printf_unfiltered ("%04x%04x%04x%04x", l[0], l[1], l[2], l[3]);
+ printf_unfiltered ("0x%02x%02x%02x%02x%02x%02x%02x%02x",
+ l[0], l[1], l[2], l[3], l[4], l[5], l[6], l[7]);
}
if (regno == 15)
{
unsigned short rval;
int i;
- read_relative_register_raw_bytes (regno, (char *) (&rval));
+ frame_register_read (selected_frame, regno, (char *) (&rval));
printf_unfiltered ("\n");
for (i = 0; i < 10; i += 2)
{
- printf_unfiltered ("(sp+%d=%04x)", i, read_memory_short (rval + i));
+ printf_unfiltered ("(sp+%d=%04x)", i,
+ (unsigned int)read_memory_short (rval + i));
}
}
}
void
-z8k_pop_frame ()
+z8k_pop_frame (void)
{
}
struct cmd_list_element *setmemorylist;
void
-z8k_set_pointer_size (newsize)
- int newsize;
+z8k_set_pointer_size (int newsize)
{
static int oldsize = 0;
{
BIG = 0;
}
+ /* FIXME: This code should be using the GDBARCH framework to
+ handle changed type sizes. If this problem is ever fixed
+ (the direct reference to _initialize_gdbtypes() below
+ eliminated) then Makefile.in should be updated so that
+ z8k-tdep.c is again compiled with -Werror. */
_initialize_gdbtypes ();
}
}
static void
-segmented_command (args, from_tty)
- char *args;
- int from_tty;
+segmented_command (char *args, int from_tty)
{
z8k_set_pointer_size (32);
}
static void
-unsegmented_command (args, from_tty)
- char *args;
- int from_tty;
+unsegmented_command (char *args, int from_tty)
{
z8k_set_pointer_size (16);
}
static void
-set_memory (args, from_tty)
- char *args;
- int from_tty;
+set_memory (char *args, int from_tty)
{
printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
help_list (setmemorylist, "set memory ", -1, gdb_stdout);
}
void
-_initialize_z8ktdep ()
+_initialize_z8ktdep (void)
{
tm_print_insn = gdb_print_insn_z8k;
projects / deliverable / binutils-gdb.git / blobdiff