Make "catch fork" work on systems with PT_GET_PROCESS_STATE

These systems (OpenBSD and HP-UX 10.x) already support follow-fork
including the events needed to for "catch fork".  This just makes
the upper layers realize this.

gdb/
2015-03-04  Mark Kettenis  <kettenis@gnu.org>

        * inf-ptrace.c [PT_GET_PROCESS_STATE]
        (inf_ptrace_insert_fork_catchpoint): New function.
        (inf_ptrace_remove_fork_catchpoint): New function.
        (inf_ptrace_target) [PT_GET_PROCESS_STATE]: Install them.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ed9d355..621b73f 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2015-03-04  Mark Kettenis  <kettenis@gnu.org>
+
+       * inf-ptrace.c [PT_GET_PROCESS_STATE]
+       (inf_ptrace_insert_fork_catchpoint): New function.
+       (inf_ptrace_remove_fork_catchpoint): New function.
+       (inf_ptrace_target) [PT_GET_PROCESS_STATE]: Install them.
+
 2015-03-04  Andreas Arnez  <arnez@linux.vnet.ibm.com>
 
        * s390-linux-tdep.c (s390_register_name): Return empty string

diff --git a/gdb/inf-ptrace.c b/gdb/inf-ptrace.c
index 3502a12..cd58dfb 100644 (file)
--- a/gdb/inf-ptrace.c
+++ b/gdb/inf-ptrace.c
@@ -58,6 +58,18 @@ inf_ptrace_follow_fork (struct target_ops *ops, int follow_child,
   return 0;
 }
 
+static int
+inf_ptrace_insert_fork_catchpoint (struct target_ops *self, int pid)
+{
+  return 0;
+}
+
+static int
+inf_ptrace_remove_fork_catchpoint (struct target_ops *self, int pid)
+{
+  return 0;
+}
+
 #endif /* PT_GET_PROCESS_STATE */
 \f
 
@@ -666,6 +678,8 @@ inf_ptrace_target (void)
   t->to_create_inferior = inf_ptrace_create_inferior;
 #ifdef PT_GET_PROCESS_STATE
   t->to_follow_fork = inf_ptrace_follow_fork;
+  t->to_insert_fork_catchpoint = inf_ptrace_insert_fork_catchpoint;
+  t->to_remove_fork_catchpoint = inf_ptrace_remove_fork_catchpoint;
   t->to_post_startup_inferior = inf_ptrace_post_startup_inferior;
   t->to_post_attach = inf_ptrace_post_attach;
 #endif