diff options
Diffstat (limited to 'gdb/gdbserver/linux-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-low.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c index d9053ad..9f3ea48 100644 --- a/gdb/gdbserver/linux-low.c +++ b/gdb/gdbserver/linux-low.c @@ -425,7 +425,8 @@ handle_extended_wait (struct lwp_info *event_lwp, int wstat) struct thread_info *event_thr = get_lwp_thread (event_lwp); struct lwp_info *new_lwp; - if ((event == PTRACE_EVENT_FORK) || (event == PTRACE_EVENT_CLONE)) + if ((event == PTRACE_EVENT_FORK) || (event == PTRACE_EVENT_VFORK) + || (event == PTRACE_EVENT_CLONE)) { ptid_t ptid; unsigned long new_pid; @@ -451,7 +452,7 @@ handle_extended_wait (struct lwp_info *event_lwp, int wstat) warning ("wait returned unexpected status 0x%x", status); } - if (event == PTRACE_EVENT_FORK) + if (event == PTRACE_EVENT_FORK || event == PTRACE_EVENT_VFORK) { struct process_info *parent_proc; struct process_info *child_proc; @@ -494,8 +495,13 @@ handle_extended_wait (struct lwp_info *event_lwp, int wstat) the_low_target.new_fork (parent_proc, child_proc); /* Save fork info in the parent thread. */ - event_lwp->waitstatus.kind = TARGET_WAITKIND_FORKED; + if (event == PTRACE_EVENT_FORK) + event_lwp->waitstatus.kind = TARGET_WAITKIND_FORKED; + else if (event == PTRACE_EVENT_VFORK) + event_lwp->waitstatus.kind = TARGET_WAITKIND_VFORKED; + event_lwp->waitstatus.value.related_pid = ptid; + /* The status_pending field contains bits denoting the extended event, so when the pending event is handled, the handler will look at lwp->waitstatus. */ @@ -538,6 +544,13 @@ handle_extended_wait (struct lwp_info *event_lwp, int wstat) /* Don't report the event. */ return 1; } + else if (event == PTRACE_EVENT_VFORK_DONE) + { + event_lwp->waitstatus.kind = TARGET_WAITKIND_VFORK_DONE; + + /* Report the event. */ + return 0; + } internal_error (__FILE__, __LINE__, _("unknown ptrace event %d"), event); } @@ -2010,6 +2023,9 @@ linux_low_ptrace_options (int attached) if (report_fork_events) options |= PTRACE_O_TRACEFORK; + if (report_vfork_events) + options |= (PTRACE_O_TRACEVFORK | PTRACE_O_TRACEVFORKDONE); + return options; } @@ -2714,7 +2730,9 @@ extended_event_reported (const struct target_waitstatus *waitstatus) if (waitstatus == NULL) return 0; - return (waitstatus->kind == TARGET_WAITKIND_FORKED); + return (waitstatus->kind == TARGET_WAITKIND_FORKED + || waitstatus->kind == TARGET_WAITKIND_VFORKED + || waitstatus->kind == TARGET_WAITKIND_VFORK_DONE); } /* Wait for process, returns status. */ |