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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
Contributed by Steve Chamberlain
#include "gdbcmd.h"
#include "gdbtypes.h"
#include "dis-asm.h"
+#include "gdbcore.h"
+
/* Return the saved PC from this frame.
return pc;
}
-int
+static CORE_ADDR examine_frame PARAMS ((CORE_ADDR, CORE_ADDR *regs, CORE_ADDR));
+static CORE_ADDR
examine_frame (pc, regs, sp)
CORE_ADDR pc;
- struct frame_saved_regs *regs;
+ CORE_ADDR *regs;
CORE_ADDR sp;
{
int w = read_memory_short (pc);
int regno;
for (regno = 0; regno < NUM_REGS; regno++)
- regs->regs[regno] = 0;
+ regs[regno] = 0;
while (IS_PUSHW (w) || IS_PUSHL (w))
{
/* work out which register is being pushed to where */
if (IS_PUSHL (w))
{
- regs->regs[w & 0xf] = offset;
- regs->regs[(w & 0xf) + 1] = offset + 2;
+ regs[w & 0xf] = offset;
+ regs[(w & 0xf) + 1] = offset + 2;
offset += 4;
}
else
{
- regs->regs[w & 0xf] = offset;
+ regs[w & 0xf] = offset;
offset += 2;
}
pc += 2;
/* Subtracting a value from the sp, so were in a function
which needs stack space for locals, but has no fp. We fake up
the values as if we had an fp */
- regs->regs[FP_REGNUM] = sp;
+ regs[FP_REGNUM] = sp;
}
else
{
/* This one didn't have an fp, we'll fake it up */
- regs->regs[SP_REGNUM] = sp;
+ regs[SP_REGNUM] = sp;
}
/* stack pointer contains address of next frame */
- /* regs->regs[fp_regnum()] = fp;*/
- regs->regs[SP_REGNUM] = sp;
+ /* regs[fp_regnum()] = fp;*/
+ regs[SP_REGNUM] = sp;
return pc;
}
z8k_skip_prologue (start_pc)
CORE_ADDR start_pc;
{
- struct frame_saved_regs dummy;
+ CORE_ADDR dummy[NUM_REGS];
- return examine_frame (start_pc, &dummy, 0);
+ return examine_frame (start_pc, dummy, 0);
}
CORE_ADDR
-addr_bits_remove (x)
- CORE_ADDR x;
+z8k_addr_bits_remove (addr)
+ CORE_ADDR addr;
{
- return x & PTR_MASK;
+ return (addr & PTR_MASK);
}
int
return 0;
}
+void
init_frame_pc ()
{
abort ();
the address we return for it IS the sp for the next frame. */
void
-get_frame_saved_regs (frame_info, frame_saved_regs)
+z8k_frame_init_saved_regs (frame_info)
struct frame_info *frame_info;
- struct frame_saved_regs *frame_saved_regs;
-
{
CORE_ADDR pc;
int w;
- memset (frame_saved_regs, '\0', sizeof (*frame_saved_regs));
+ frame_saved_regs_zalloc (frame_info);
pc = get_pc_function_start (frame_info->pc);
-/* wander down the instruction stream */
- examine_frame (pc, frame_saved_regs, frame_info->frame);
+ /* wander down the instruction stream */
+ examine_frame (pc, frame_info->saved_regs, frame_info->frame);
}
return 0;
}
+#if 0
/* Put here the code to store, into a struct frame_saved_regs,
the addresses of the saved registers of frame described by FRAME_INFO.
This includes special registers such as pc and fp saved in special
fsrp->regs[FP_REGNUM] = fip->frame;
}
+#endif
int
saved_pc_after_call ()
{
- return addr_bits_remove
+ 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;