/* Target-dependent code for Atmel AVR, for GDB.
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006, 2007 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
/* Contributed by Theodore A. Roth, troth@openavr.org */
#include "trad-frame.h"
#include "gdbcmd.h"
#include "gdbcore.h"
+#include "gdbtypes.h"
#include "inferior.h"
#include "symfile.h"
#include "arch-utils.h"
/* Convert from address to pointer and vice-versa. */
static void
-avr_address_to_pointer (struct type *type, void *buf, CORE_ADDR addr)
+avr_address_to_pointer (struct type *type, gdb_byte *buf, CORE_ADDR addr)
{
/* Is it a code address? */
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_FUNC
}
static CORE_ADDR
-avr_pointer_to_address (struct type *type, const void *buf)
+avr_pointer_to_address (struct type *type, const gdb_byte *buf)
{
CORE_ADDR addr = extract_unsigned_integer (buf, TYPE_LENGTH (type));
inferior_ptid = save_ptid;
}
-static CORE_ADDR
-avr_read_sp (void)
-{
- ULONGEST sp;
-
- regcache_cooked_read_unsigned (current_regcache, AVR_SP_REGNUM, &sp);
- return (avr_make_saddr (sp));
-}
-
static int
avr_scan_arg_moves (int vpc, unsigned char *prologue)
{
if (num_pushes > AVR_MAX_PUSHES)
{
- fprintf_unfiltered (gdb_stderr, "Num pushes too large: %d\n",
+ fprintf_unfiltered (gdb_stderr, _("Num pushes too large: %d\n"),
num_pushes);
num_pushes = 0;
}
if (vpc >= AVR_MAX_PROLOGUE_SIZE)
fprintf_unfiltered (gdb_stderr,
- "Hit end of prologue while scanning pushes\n");
+ _("Hit end of prologue while scanning pushes\n"));
/* Second stage of the prologue scanning.
Scan:
static void
avr_extract_return_value (struct type *type, struct regcache *regcache,
- void *valbuf)
+ gdb_byte *valbuf)
{
ULONGEST r24, r25;
ULONGEST c;
info->size = 0;
info->prologue_type = AVR_PROLOGUE_NONE;
- pc = frame_func_unwind (next_frame);
+ pc = frame_func_unwind (next_frame, NORMAL_FRAME);
if ((pc > 0) && (pc < frame_pc_unwind (next_frame)))
avr_scan_prologue (pc, info);
/* Adjust all the saved registers so that they contain addresses and not
offsets. */
- for (i = 0; i < NUM_REGS - 1; i++)
+ for (i = 0; i < gdbarch_num_regs (current_gdbarch) - 1; i++)
if (info->saved_regs[i].addr)
{
info->saved_regs[i].addr = (info->prev_sp - info->saved_regs[i].addr);
return avr_make_iaddr (pc);
}
+static CORE_ADDR
+avr_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
+{
+ ULONGEST sp;
+
+ frame_unwind_unsigned_register (next_frame, AVR_SP_REGNUM, &sp);
+
+ return avr_make_saddr (sp);
+}
+
/* Given a GDB frame, determine the address of the calling function's
frame. This will be used to create a new GDB frame struct. */
struct frame_id id;
/* The FUNC is easy. */
- func = frame_func_unwind (next_frame);
+ func = frame_func_unwind (next_frame, NORMAL_FRAME);
/* Hopefully the prologue analysis either correctly determined the
frame's base (which is the SP from the previous frame), or set
return;
id = frame_id_build (base, func);
-
- /* Check that we're not going round in circles with the same frame
- ID (but avoid applying the test to sentinel frames which do go
- round in circles). Can't use frame_id_eq() as that doesn't yet
- compare the frame's PC value. */
- if (frame_relative_level (next_frame) >= 0
- && get_frame_type (next_frame) != DUMMY_FRAME
- && frame_id_eq (get_frame_id (next_frame), id))
- return;
-
(*this_id) = id;
}
void **this_prologue_cache,
int regnum, int *optimizedp,
enum lval_type *lvalp, CORE_ADDR *addrp,
- int *realnump, void *bufferp)
+ int *realnump, gdb_byte *bufferp)
{
struct avr_unwind_cache *info
= avr_frame_unwind_cache (next_frame, this_prologue_cache);
}
}
else
- trad_frame_prev_register (next_frame, info->saved_regs, regnum,
- optimizedp, lvalp, addrp, realnump, bufferp);
+ trad_frame_get_prev_register (next_frame, info->saved_regs, regnum,
+ optimizedp, lvalp, addrp, realnump, bufferp);
}
static const struct frame_unwind avr_frame_unwind = {
void *data;
};
-static struct stack_item *push_stack_item (struct stack_item *prev,
- void *contents, int len);
static struct stack_item *
-push_stack_item (struct stack_item *prev, void *contents, int len)
+push_stack_item (struct stack_item *prev, const bfd_byte *contents, int len)
{
struct stack_item *si;
si = xmalloc (sizeof (struct stack_item));
registers R0 to R2. */
static CORE_ADDR
-avr_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
+avr_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, CORE_ADDR struct_addr)
int last_regnum;
int j;
struct value *arg = args[i];
- struct type *type = check_typedef (VALUE_TYPE (arg));
- char *contents = VALUE_CONTENTS (arg);
+ struct type *type = check_typedef (value_type (arg));
+ const bfd_byte *contents = value_contents (arg);
int len = TYPE_LENGTH (type);
/* Calculate the potential last register needed. */
set_gdbarch_double_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_double_bit (gdbarch, 4 * TARGET_CHAR_BIT);
- set_gdbarch_float_format (gdbarch, &floatformat_ieee_single_little);
- set_gdbarch_double_format (gdbarch, &floatformat_ieee_single_little);
- set_gdbarch_long_double_format (gdbarch, &floatformat_ieee_single_little);
+ set_gdbarch_float_format (gdbarch, floatformats_ieee_single);
+ set_gdbarch_double_format (gdbarch, floatformats_ieee_single);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_single);
set_gdbarch_read_pc (gdbarch, avr_read_pc);
set_gdbarch_write_pc (gdbarch, avr_write_pc);
- set_gdbarch_read_sp (gdbarch, avr_read_sp);
set_gdbarch_num_regs (gdbarch, AVR_NUM_REGS);
set_gdbarch_address_to_pointer (gdbarch, avr_address_to_pointer);
set_gdbarch_pointer_to_address (gdbarch, avr_pointer_to_address);
- set_gdbarch_use_struct_convention (gdbarch, generic_use_struct_convention);
-
set_gdbarch_skip_prologue (gdbarch, avr_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_breakpoint_from_pc (gdbarch, avr_breakpoint_from_pc);
- set_gdbarch_frameless_function_invocation (gdbarch,
- frameless_look_for_prologue);
-
frame_unwind_append_sniffer (gdbarch, avr_frame_sniffer);
frame_base_set_default (gdbarch, &avr_frame_base);
set_gdbarch_unwind_dummy_id (gdbarch, avr_unwind_dummy_id);
set_gdbarch_unwind_pc (gdbarch, avr_unwind_pc);
+ set_gdbarch_unwind_sp (gdbarch, avr_unwind_sp);
return gdbarch;
}
avr_io_reg_read_command (char *args, int from_tty)
{
LONGEST bufsiz = 0;
- char buf[400];
+ gdb_byte *buf;
char query[400];
char *p;
unsigned int nreg = 0;
unsigned int val;
int i, j, k, step;
- /* Just get the maximum buffer size. */
- bufsiz = target_read_partial (¤t_target, TARGET_OBJECT_AVR,
- NULL, NULL, 0, 0);
- if (bufsiz < 0)
- {
- fprintf_unfiltered (gdb_stderr,
- "ERR: info io_registers NOT supported by current "
- "target\n");
- return;
- }
- if (bufsiz > sizeof (buf))
- bufsiz = sizeof (buf);
-
/* Find out how many io registers the target has. */
- strcpy (query, "avr.io_reg");
- target_read_partial (¤t_target, TARGET_OBJECT_AVR, query, buf, 0,
- bufsiz);
+ bufsiz = target_read_alloc (¤t_target, TARGET_OBJECT_AVR,
+ "avr.io_reg", &buf);
- if (strncmp (buf, "", bufsiz) == 0)
+ if (bufsiz <= 0)
{
fprintf_unfiltered (gdb_stderr,
- "info io_registers NOT supported by target\n");
+ _("ERR: info io_registers NOT supported "
+ "by current target\n"));
return;
}
if (sscanf (buf, "%x", &nreg) != 1)
{
fprintf_unfiltered (gdb_stderr,
- "Error fetching number of io registers\n");
+ _("Error fetching number of io registers\n"));
+ xfree (buf);
return;
}
+ xfree (buf);
+
reinitialize_more_filter ();
- printf_unfiltered ("Target has %u io registers:\n\n", nreg);
+ printf_unfiltered (_("Target has %u io registers:\n\n"), nreg);
/* only fetch up to 8 registers at a time to keep the buffer small */
step = 8;
j = nreg - i; /* last block is less than 8 registers */
snprintf (query, sizeof (query) - 1, "avr.io_reg:%x,%x", i, j);
- target_read_partial (¤t_target, TARGET_OBJECT_AVR, query, buf,
- 0, bufsiz);
+ bufsiz = target_read_alloc (¤t_target, TARGET_OBJECT_AVR,
+ query, &buf);
p = buf;
for (k = i; k < (i + j); k++)
break;
}
}
+
+ xfree (buf);
}
}
io_registers' to signify it is not available on other platforms. */
add_cmd ("io_registers", class_info, avr_io_reg_read_command,
- "query remote avr target for io space register values", &infolist);
+ _("query remote avr target for io space register values"),
+ &infolist);
}
projects / deliverable / binutils-gdb.git / blobdiff