/* Native-dependent code for X86 BSD's.
- Copyright (C) 2003-2019 Free Software Foundation, Inc.
+ Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "inf-ptrace.h"
\f
+static PTRACE_TYPE_RET
+gdb_ptrace (PTRACE_TYPE_ARG1 request, ptid_t ptid, PTRACE_TYPE_ARG3 addr)
+{
+#ifdef __NetBSD__
+ /* Support for NetBSD threads: unlike other ptrace implementations in this
+ file, NetBSD requires that we pass both the pid and lwp. */
+ return ptrace (request, ptid.pid (), addr, ptid.lwp ());
+#else
+ pid_t pid = get_ptrace_pid (ptid);
+ return ptrace (request, pid, addr, 0);
+#endif
+}
+
#ifdef PT_GETXSTATE_INFO
size_t x86bsd_xsave_len;
#endif
{
struct dbreg dbregs;
- if (ptrace (PT_GETDBREGS, get_ptrace_pid (inferior_ptid),
- (PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
+ if (gdb_ptrace (PT_GETDBREGS, ptid, (PTRACE_TYPE_ARG3) &dbregs) == -1)
perror_with_name (_("Couldn't read debug registers"));
return DBREG_DRX ((&dbregs), regnum);
}
static void
-x86bsd_dr_set (int regnum, unsigned long value)
+x86bsd_dr_set (ptid_t ptid, int regnum, unsigned long value)
{
struct dbreg dbregs;
- if (ptrace (PT_GETDBREGS, get_ptrace_pid (inferior_ptid),
- (PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
+ if (gdb_ptrace (PT_GETDBREGS, ptid, (PTRACE_TYPE_ARG3) &dbregs) == -1)
perror_with_name (_("Couldn't get debug registers"));
/* For some mysterious reason, some of the reserved bits in the
for (thread_info *thread : current_inferior ()->non_exited_threads ())
{
- if (ptrace (PT_SETDBREGS, get_ptrace_pid (thread->ptid),
- (PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
+ if (gdb_ptrace (PT_SETDBREGS, thread->ptid,
+ (PTRACE_TYPE_ARG3) &dbregs) == -1)
perror_with_name (_("Couldn't write debug registers"));
}
}
static void
x86bsd_dr_set_control (unsigned long control)
{
- x86bsd_dr_set (7, control);
+ x86bsd_dr_set (inferior_ptid, 7, control);
}
static void
{
gdb_assert (regnum >= 0 && regnum <= 4);
- x86bsd_dr_set (regnum, addr);
+ x86bsd_dr_set (inferior_ptid, regnum, addr);
}
static CORE_ADDR
#endif /* PT_GETDBREGS */
+void _initialize_x86_bsd_nat ();
void
_initialize_x86_bsd_nat ()
{