static int
ia64_linux_remove_watchpoint (struct target_ops *self,
CORE_ADDR addr, int len,
enum target_hw_bp_type type,
struct expression *cond)
{
int idx;
long dbr_addr, dbr_mask;
int max_watchpoints = 4;
if (len <= 0 || !is_power_of_2 (len))
return -1;
for (idx = 0; idx < max_watchpoints; idx++)
{
dbr_addr = debug_registers[2 * idx];
dbr_mask = debug_registers[2 * idx + 1];
if ((dbr_mask & (0x3UL << 62)) && addr == (CORE_ADDR) dbr_addr)
{
struct lwp_info *lp;
debug_registers[2 * idx] = 0;
debug_registers[2 * idx + 1] = 0;
dbr_addr = 0;
dbr_mask = 0;
ALL_LWPS (lp)
store_debug_register_pair (lp->ptid, idx, &dbr_addr, &dbr_mask);
return 0;
}
}
return -1;
}
static void
i386_linux_dr_set_control (unsigned long control)
{
struct lwp_info *lp;
i386_linux_dr[DR_CONTROL] = control;
ALL_LWPS (lp)
i386_linux_dr_set (lp->ptid, DR_CONTROL, control);
}
static void
i386_linux_dr_set_addr (int regnum, CORE_ADDR addr)
{
struct lwp_info *lp;
gdb_assert (regnum >= 0 && regnum <= DR_LASTADDR - DR_FIRSTADDR);
i386_linux_dr[DR_FIRSTADDR + regnum] = addr;
ALL_LWPS (lp)
i386_linux_dr_set (lp->ptid, DR_FIRSTADDR + regnum, addr);
}
