/* GNU/Linux S/390 specific low level interface, for the remote server
for GDB.
- Copyright (C) 2001-2014 Free Software Foundation, Inc.
+ Copyright (C) 2001-2015 Free Software Foundation, Inc.
This file is part of GDB.
/* Fill and store functions for extended register sets. */
static void
-s390_fill_last_break (struct regcache *regcache, void *buf)
-{
- /* Last break address is read-only. */
-}
-
-static void
s390_store_last_break (struct regcache *regcache, const void *buf)
{
const char *p;
supply_register_by_name (regcache, "system_call", buf);
}
+static void
+s390_store_tdb (struct regcache *regcache, const void *buf)
+{
+ int tdb0 = find_regno (regcache->tdesc, "tdb0");
+ int tr0 = find_regno (regcache->tdesc, "tr0");
+ int i;
+
+ for (i = 0; i < 4; i++)
+ supply_register (regcache, tdb0 + i, (const char *) buf + 8 * i);
+
+ for (i = 0; i < 16; i++)
+ supply_register (regcache, tr0 + i, (const char *) buf + 8 * (16 + i));
+}
+
static struct regset_info s390_regsets[] = {
{ 0, 0, 0, 0, GENERAL_REGS, s390_fill_gregset, NULL },
- /* Last break address is read-only; do not attempt PTRACE_SETREGSET. */
- { PTRACE_GETREGSET, PTRACE_GETREGSET, NT_S390_LAST_BREAK, 0,
- EXTENDED_REGS, s390_fill_last_break, s390_store_last_break },
+ /* Last break address is read-only; no fill function. */
+ { PTRACE_GETREGSET, -1, NT_S390_LAST_BREAK, 0, EXTENDED_REGS,
+ NULL, s390_store_last_break },
{ PTRACE_GETREGSET, PTRACE_SETREGSET, NT_S390_SYSTEM_CALL, 0,
EXTENDED_REGS, s390_fill_system_call, s390_store_system_call },
+ /* TDB is read-only. */
+ { PTRACE_GETREGSET, -1, NT_S390_TDB, 0, EXTENDED_REGS,
+ NULL, s390_store_tdb },
{ 0, 0, 0, -1, -1, NULL, NULL }
};
struct regset_info *regset;
/* Check whether the kernel supports extra register sets. */
- int pid = pid_of (current_inferior);
+ int pid = pid_of (current_thread);
int have_regset_last_break
= s390_check_regset (pid, NT_S390_LAST_BREAK, 8);
int have_regset_system_call
#endif
/* Update target_regsets according to available register sets. */
- for (regset = s390_regsets; regset->fill_function != NULL; regset++)
+ for (regset = s390_regsets; regset->size >= 0; regset++)
if (regset->get_request == PTRACE_GETREGSET)
switch (regset->nt_type)
{