/* Find register by name. */
static int
-xtensa_find_register_by_name (struct gdbarch *gdbarch, char *name)
+xtensa_find_register_by_name (struct gdbarch *gdbarch, const char *name)
{
int i;
&& (regnum >= gdbarch_tdep (gdbarch)->a0_base)
&& (regnum <= gdbarch_tdep (gdbarch)->a0_base + 15))
{
- gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE);
+ ULONGEST value;
enum register_status status;
- status = regcache_raw_read (regcache,
- gdbarch_tdep (gdbarch)->wb_regnum,
- buf);
+ status = regcache_raw_read_unsigned (regcache,
+ gdbarch_tdep (gdbarch)->wb_regnum,
+ &value);
if (status != REG_VALID)
return status;
- regnum = arreg_number (gdbarch, regnum,
- extract_unsigned_integer (buf, 4, byte_order));
+ regnum = arreg_number (gdbarch, regnum, value);
}
/* We can always read non-pseudo registers. */
&& (regnum >= gdbarch_tdep (gdbarch)->a0_base)
&& (regnum <= gdbarch_tdep (gdbarch)->a0_base + 15))
{
- gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE);
-
- regcache_raw_read (regcache,
- gdbarch_tdep (gdbarch)->wb_regnum, buf);
- regnum = arreg_number (gdbarch, regnum,
- extract_unsigned_integer (buf, 4, byte_order));
+ ULONGEST value;
+ regcache_raw_read_unsigned (regcache,
+ gdbarch_tdep (gdbarch)->wb_regnum, &value);
+ regnum = arreg_number (gdbarch, regnum, value);
}
/* We can always write 'core' registers.
/* Special registers 0..255 (core). */
#define XTENSA_DBREGN_SREG(n) (0x0200+(n))
+/* User registers 0..255. */
+#define XTENSA_DBREGN_UREG(n) (0x0300+(n))
for (rmap = tdep->regmap, n = 0; rmap->target_number != -1; n++, rmap++)
{
tdep->litbase_regnum = n;
else if (rmap->target_number == XTENSA_DBREGN_SREG(230))
tdep->ps_regnum = n;
+ else if (rmap->target_number == XTENSA_DBREGN_UREG(231))
+ tdep->threadptr_regnum = n;
#if 0
else if (rmap->target_number == XTENSA_DBREGN_SREG(226))
tdep->interrupt_regnum = n;
xtensa_verify_config (gdbarch);
xtensa_session_once_reported = 0;
+ set_gdbarch_wchar_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ set_gdbarch_wchar_signed (gdbarch, 0);
+
/* Pseudo-Register read/write. */
set_gdbarch_pseudo_register_read (gdbarch, xtensa_pseudo_register_read);
set_gdbarch_pseudo_register_write (gdbarch, xtensa_pseudo_register_write);