#include "ocd.h"
#include "ppc-tdep.h"
#include "regcache.h"
+#include "gdb_assert.h"
static void bdm_ppc_open (char *name, int from_tty);
static void
bdm_ppc_fetch_registers (int regno)
{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int i;
- unsigned char *regs, *beginregs, *endregs, *almostregs;
- unsigned char midregs[32];
- unsigned char mqreg[1];
+ unsigned char *regs;
int first_regno, last_regno;
int first_bdm_regno, last_bdm_regno;
- int reglen, beginreglen, endreglen;
-
-#if 1
- for (i = 0; i < (FPLAST_REGNUM - FP0_REGNUM + 1); i++)
- {
- midregs[i] = -1;
- }
- mqreg[0] = -1;
-#endif
+ int reglen;
if (regno == -1)
{
if (first_bdm_regno == -1)
{
- supply_register (first_regno, NULL);
+ regcache_raw_supply (current_regcache, first_regno, NULL);
return; /* Unsupported register */
}
+ /* FIXME: jimb/2004-05-04: I'm not sure how to adapt this code to
+ processors that lack floating point registers, and I don't have
+ have the equipment to test it. So we'll leave that case for the
+ next person who encounters it. */
+ gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
+
#if 1
/* Can't ask for floating point regs on ppc 8xx, also need to
avoid asking for the mq register. */
/* if asking for an invalid register */
if ((first_regno == gdbarch_tdep (current_gdbarch)->ppc_mq_regnum)
|| (first_regno == gdbarch_tdep (current_gdbarch)->ppc_fpscr_regnum)
- || ((first_regno >= FP0_REGNUM) && (first_regno <= FPLAST_REGNUM)))
+ || ((first_regno >= tdep->ppc_fp0_regnum)
+ && (first_regno < tdep->ppc_fp0_regnum + ppc_num_fprs)))
{
/* printf("invalid reg request!\n"); */
- supply_register (first_regno, NULL);
+ regcache_raw_supply (current_regcache, first_regno, NULL);
return; /* Unsupported register */
}
else
}
}
else
- /* want all regs */
- {
-/* printf("Asking for registers %d to %d\n", first_regno, last_regno); */
- beginregs = ocd_read_bdm_registers (first_bdm_regno,
- FP0_REGNUM - 1, &beginreglen);
- endregs = (strcat (midregs,
- ocd_read_bdm_registers (FPLAST_REGNUM + 1,
- last_bdm_regno - 1, &endreglen)));
- almostregs = (strcat (beginregs, endregs));
- regs = (strcat (almostregs, mqreg));
- reglen = beginreglen + 32 + endreglen + 1;
- }
+ internal_error (__FILE__, __LINE__,
+ "ppc_bdm_fetch_registers: "
+ "'all registers' case not implemented");
#endif
#if 0
if (regoffset >= reglen / 4)
continue;
- supply_register (i, regs + 4 * regoffset);
+ regcache_raw_supply (current_regcache, i, regs + 4 * regoffset);
}
else
- supply_register (i, NULL); /* Unsupported register */
+ regcache_raw_supply (current_regcache, i, NULL); /* Unsupported register */
}
}
static void
bdm_ppc_store_registers (int regno)
{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int i;
int first_regno, last_regno;
int first_bdm_regno, last_bdm_regno;
if (first_bdm_regno == -1)
return; /* Unsupported register */
+ /* FIXME: jimb/2004-05-04: I'm not sure how to adapt this code to
+ processors that lack floating point registers, and I don't have
+ have the equipment to test it. So we'll leave that case for the
+ next person who encounters it. */
+ gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
+
for (i = first_regno; i <= last_regno; i++)
{
int bdm_regno;
/* (need to avoid FP regs and MQ reg) */
if ((i != gdbarch_tdep (current_gdbarch)->ppc_mq_regnum)
&& (i != gdbarch_tdep (current_gdbarch)->ppc_fpscr_regnum)
- && ((i < FP0_REGNUM) || (i > FPLAST_REGNUM)))
+ && ((i < tdep->ppc_fp0_regnum)
+ || (i >= tdep->ppc_fp0_regnum + ppc_num_fprs)))
{
/* printf("write valid reg %d\n", bdm_regno); */
ocd_write_bdm_registers (bdm_regno, deprecated_registers + DEPRECATED_REGISTER_BYTE (i), 4);