/* Target-dependent code for Analog Devices Blackfin processor, for GDB.
- Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2005-2015 Free Software Foundation, Inc.
Contributed by Analog Devices, Inc.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "gdb_string.h"
#include "inferior.h"
#include "gdbcore.h"
#include "arch-utils.h"
#include "frame-base.h"
#include "trad-frame.h"
#include "dis-asm.h"
-#include "gdb_assert.h"
+#include "sim-regno.h"
+#include "gdb/sim-bfin.h"
#include "dwarf2-frame.h"
#include "symtab.h"
#include "elf-bfd.h"
int i;
if (*this_cache)
- return *this_cache;
+ return (struct bfin_frame_cache *) *this_cache;
cache = bfin_alloc_frame_cache ();
*this_cache = cache;
static const struct frame_unwind bfin_frame_unwind =
{
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
bfin_frame_this_id,
bfin_frame_prev_register,
NULL,
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- char buf[4];
+ gdb_byte buf[4];
int i;
long reg_r0, reg_r1, reg_r2;
int total_len = 0;
for (i = nargs - 1; i >= 0; i--)
{
struct type *value_type = value_enclosing_type (args[i]);
- int len = TYPE_LENGTH (value_type);
- total_len += (len + 3) & ~3;
+ total_len += (TYPE_LENGTH (value_type) + 3) & ~3;
}
/* At least twelve bytes of stack space must be allocated for the function's
{
struct type *value_type = value_enclosing_type (args[i]);
struct type *arg_type = check_typedef (value_type);
- int len = TYPE_LENGTH (value_type);
- int container_len = (len + 3) & ~3;
+ int container_len = (TYPE_LENGTH (value_type) + 3) & ~3;
sp -= container_len;
write_memory (sp, value_contents_writeable (args[i]), container_len);
static int
bfin_reg_to_regnum (struct gdbarch *gdbarch, int reg)
{
- if (reg > ARRAY_SIZE (map_gcc_gdb))
- return 0;
+ if (reg < 0 || reg >= ARRAY_SIZE (map_gcc_gdb))
+ return -1;
return map_gcc_gdb[reg];
}
-/* This function implements the BREAKPOINT_FROM_PC macro. It returns
- a pointer to a string of bytes that encode a breakpoint instruction,
- stores the length of the string to *lenptr, and adjusts the program
- counter (if necessary) to point to the actual memory location where
- the breakpoint should be inserted. */
+/* This function implements the 'breakpoint_from_pc' gdbarch method.
+ It returns a pointer to a string of bytes that encode a breakpoint
+ instruction, stores the length of the string to *lenptr, and
+ adjusts the program counter (if necessary) to point to the actual
+ memory location where the breakpoint should be inserted. */
static const unsigned char *
-bfin_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr)
+bfin_breakpoint_from_pc (struct gdbarch *gdbarch,
+ CORE_ADDR *pcptr, int *lenptr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
unsigned short iw;
while (len > 0)
{
regcache_cooked_read_unsigned (regs, regno++, &tmp);
- store_unsigned_integer (valbuf, (len > 4 ? 4 : len), tmp, byte_order);
+ store_unsigned_integer (valbuf, (len > 4 ? 4 : len), byte_order, tmp);
len -= 4;
valbuf += 4;
}
static enum return_value_convention
bfin_return_value (struct gdbarch *gdbarch,
- struct type *func_type,
+ struct value *function,
struct type *type,
struct regcache *regcache,
gdb_byte *readbuf,
return bfin_register_name_strings[i];
}
-static void
+static enum register_status
bfin_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
int regnum, gdb_byte *buffer)
{
gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE);
+ enum register_status status;
if (regnum != BFIN_CC_REGNUM)
internal_error (__FILE__, __LINE__,
_("invalid register number %d"), regnum);
/* Extract the CC bit from the ASTAT register. */
- regcache_raw_read (regcache, BFIN_ASTAT_REGNUM, buf);
- buffer[1] = buffer[2] = buffer[3] = 0;
- buffer[0] = !!(buf[0] & ASTAT_CC);
+ status = regcache_raw_read (regcache, BFIN_ASTAT_REGNUM, buf);
+ if (status == REG_VALID)
+ {
+ buffer[1] = buffer[2] = buffer[3] = 0;
+ buffer[0] = !!(buf[0] & ASTAT_CC);
+ }
+ return status;
}
static void
return arches->gdbarch;
}
- tdep = XMALLOC (struct gdbarch_tdep);
+ tdep = XNEW (struct gdbarch_tdep);
gdbarch = gdbarch_alloc (&info, tdep);
tdep->bfin_abi = abi;