aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/nat/netbsd-nat.c18
-rw-r--r--gdb/nat/netbsd-nat.h7
3 files changed, 31 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 21f30e4..41bd699 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
2020-09-10 Kamil Rytarowski <n54@gmx.com>
+ * netbsd-nat.h (netbsd_nat::enable_proc_events): Add.
+ * netbsd-nat.c: Include <sys/ptrace.h>.
+ * (netbsd_nat::enable_proc_events): Add.
+
+2020-09-10 Kamil Rytarowski <n54@gmx.com>
+
* netbsd-nat.h: Include "gdbsupport/function-view.h".
* (netbsd_nat::thread_alive, netbsd_nat::thread_name)
(netbsd_nat::for_each_thread): Add.
diff --git a/gdb/nat/netbsd-nat.c b/gdb/nat/netbsd-nat.c
index 3f8b8b8..d805b89 100644
--- a/gdb/nat/netbsd-nat.c
+++ b/gdb/nat/netbsd-nat.c
@@ -22,6 +22,7 @@
#include "gdbsupport/common-debug.h"
#include <sys/types.h>
+#include <sys/ptrace.h>
#include <sys/sysctl.h>
#include <cstring>
@@ -163,4 +164,21 @@ for_each_thread (pid_t pid, gdb::function_view<void (ptid_t)> callback)
netbsd_thread_lister (pid, fn);
}
+/* See netbsd-nat.h. */
+
+void
+enable_proc_events (pid_t pid)
+{
+ int events;
+
+ if (ptrace (PT_GET_EVENT_MASK, pid, &events, sizeof (events)) == -1)
+ perror_with_name (("ptrace"));
+
+ events |= PTRACE_LWP_CREATE;
+ events |= PTRACE_LWP_EXIT;
+
+ if (ptrace (PT_SET_EVENT_MASK, pid, &events, sizeof (events)) == -1)
+ perror_with_name (("ptrace"));
+}
+
}
diff --git a/gdb/nat/netbsd-nat.h b/gdb/nat/netbsd-nat.h
index 3f2650f..6472cc5 100644
--- a/gdb/nat/netbsd-nat.h
+++ b/gdb/nat/netbsd-nat.h
@@ -50,6 +50,13 @@ extern const char *thread_name (ptid_t ptid);
extern void for_each_thread (pid_t pid,
gdb::function_view<void (ptid_t)> callback);
+
+/* Enable additional event reporting in a new process specified by PID.
+
+ This function assumes internally that the queried process is stopped and
+ traced. */
+
+extern void enable_proc_events (pid_t pid);
}
#endif