diff options
Diffstat (limited to 'runtime/uprobes-common.c')
| -rw-r--r-- | runtime/uprobes-common.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/runtime/uprobes-common.c b/runtime/uprobes-common.c index b0273ba4..58e3a05f 100644 --- a/runtime/uprobes-common.c +++ b/runtime/uprobes-common.c @@ -286,4 +286,19 @@ static int stap_uprobe_munmap_found (struct stap_task_finder_target *tgt, struct return stap_uprobe_change_minus (tsk, addr, length, stf); } +/* The task_finder_callback we use for ET_DYN targets. + This just forces an unmap of everything as the process exits. + (PR11151) */ +static int stap_uprobe_process_munmap (struct stap_task_finder_target *tgt, struct task_struct *tsk, int register_p, int process_p) { + const struct stap_uprobe_tf *stf = container_of(tgt, struct stap_uprobe_tf, finder); + if (! process_p) return 0; /* ignore threads */ + #ifdef DEBUG_TASK_FINDER_VMA + _stp_dbug (__FUNCTION__,__LINE__, "%cproc pid %d stf %p %p path %s\n", register_p?'+':'-', tsk->tgid, tgt, stf, stf->pathname); + #endif + /* Covering 0->TASK_SIZE means "unmap everything" */ + if (!register_p) + return stap_uprobe_change_minus (tsk, 0, TASK_SIZE, stf); + return 0; +} + #endif /* _UPROBE_COMMON_C_ */ |