/* Native-dependent code for FreeBSD.
- Copyright (C) 2002-2018 Free Software Foundation, Inc.
+ Copyright (C) 2002-2019 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "byte-vector.h"
+#include "gdbsupport/byte-vector.h"
#include "gdbcore.h"
#include "inferior.h"
#include "regcache.h"
#include "regset.h"
+#include "gdbarch.h"
#include "gdbcmd.h"
#include "gdbthread.h"
-#include "gdb_wait.h"
+#include "gdbsupport/gdb_wait.h"
#include "inf-ptrace.h"
#include <sys/types.h>
#include <sys/procfs.h>
#include <libutil.h>
#endif
#if !defined(HAVE_KINFO_GETVMMAP)
-#include "filestuff.h"
+#include "gdbsupport/filestuff.h"
#endif
#include "elf-bfd.h"
if (sysctl (mib, 4, cmdline.get (), &len, NULL, 0) == -1)
return nullptr;
+ /* Join the arguments with spaces to form a single string. */
+ char *cp = cmdline.get ();
+ for (size_t i = 0; i < len - 1; i++)
+ if (cp[i] == '\0')
+ cp[i] = ' ';
+ cp[len - 1] = '\0';
+
return cmdline;
}
}
#ifdef PT_LWPINFO
-static int debug_fbsd_lwp;
-static int debug_fbsd_nat;
+static bool debug_fbsd_lwp;
+static bool debug_fbsd_nat;
static void
show_fbsd_lwp_debug (struct ui_file *file, int from_tty,
return true;
}
-/* Convert PTID to a string. Returns the string in a static
- buffer. */
+/* Convert PTID to a string. */
-const char *
+std::string
fbsd_nat_target::pid_to_str (ptid_t ptid)
{
lwpid_t lwp;
lwp = ptid.lwp ();
if (lwp != 0)
{
- static char buf[64];
int pid = ptid.pid ();
- xsnprintf (buf, sizeof buf, "LWP %d of process %d", lwp, pid);
- return buf;
+ return string_printf ("LWP %d of process %d", lwp, pid);
}
return normal_pid_to_str (ptid);
{
/* Ignore traps without valid siginfo or for signals other than
- SIGTRAP. */
- if (! (pl.pl_flags & PL_FLAG_SI) || pl.pl_siginfo.si_signo != SIGTRAP)
+ SIGTRAP.
+
+ FreeBSD kernels prior to r341800 can return stale siginfo for at
+ least some events, but those events can be identified by
+ additional flags set in pl_flags. True breakpoint and
+ single-step traps should not have other flags set in
+ pl_flags. */
+ if (pl.pl_flags != PL_FLAG_SI || pl.pl_siginfo.si_signo != SIGTRAP)
return false;
/* Trace traps are either a single step or a hardware watchpoint or
"FLWP: deleting thread for LWP %u\n",
pl.pl_lwpid);
if (print_thread_events)
- printf_unfiltered (_("[%s exited]\n"), target_pid_to_str
- (wptid));
+ printf_unfiltered (_("[%s exited]\n"),
+ target_pid_to_str (wptid).c_str ());
delete_thread (thr);
}
if (ptrace (PT_CONTINUE, pid, (caddr_t) 1, 0) == -1)
sizeof pl) == -1)
return false;
- return ((pl.pl_flags & PL_FLAG_SI)
+ return (pl.pl_flags == PL_FLAG_SI
&& pl.pl_siginfo.si_signo == SIGTRAP
&& pl.pl_siginfo.si_code == TRAP_BRKPT);
}