-/* Target-machine dependent code for Hitachi Super-H, for GDB.
- Copyright (C) 1993 Free Software Foundation, Inc.
+/* Target-dependent code for Hitachi Super-H, for GDB.
+ Copyright (C) 1993, 1994, 1995 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
Contributed by Steve Chamberlain
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
+#include "gdbcore.h"
#include "value.h"
#include "dis-asm.h"
-#include "../opcodes/sh-opc.h"
-
-
/* Prologue looks like
[mov.l <regs>,@-r15]...
return 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.
+/* 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
- ways in the stack frame. sp is even more special:
- the address we return for it IS the sp for the next frame. */
-
+ ways in the stack frame. sp is even more special: the address we
+ return for it IS the sp for the next frame. */
void
frame_find_saved_regs (fi, fsr)
int pc;
int opc;
int insn;
- int hadf;
int r3_val = 0;
opc = pc = get_pc_function_start (fi->pc);
fi->f_offset = depth - where[FP_REGNUM] - 4;
/* Work out the return pc - either from the saved pr or the pr
value */
- /* Just called, so dig out the real return */
- if (fi->return_pc == 0)
- {
- fi->return_pc = read_register (PR_REGNUM) + 4;
- }
- else
- {
- if (fsr->regs[PR_REGNUM])
- {
- fi->return_pc = read_memory_integer (fsr->regs[PR_REGNUM], 4) + 4;
- }
- else
- {
- fi->return_pc = read_register (PR_REGNUM) + 4;
- }
- }
+ if (fsr->regs[PR_REGNUM])
+ fi->return_pc = read_memory_integer (fsr->regs[PR_REGNUM], 4);
+ else
+ fi->return_pc = read_register (PR_REGNUM);
}
/* initialize the extra info saved in a FRAME */
struct frame_info *fi;
{
struct frame_saved_regs dummy;
+
+ if (fi->next)
+ fi->pc = fi->next->return_pc;
+
frame_find_saved_regs (fi, &dummy);
}
read_register (15));
}
\f
-
void
_initialize_sh_tdep ()
{
- extern int sim_memory_size;
-
tm_print_insn = gdb_print_insn_sh;
- /* FIXME, there should be a way to make a CORE_ADDR variable settable. */
- add_show_from_set
- (add_set_cmd ("memory_size", class_support, var_uinteger,
- (char *) &sim_memory_size,
- "Set simulated memory size of simulator target.", &setlist),
- &showlist);
-
add_com ("regs", class_vars, show_regs, "Print all registers");
}