From d2bb12d37037345a77e90aa83512075d78ae968f Mon Sep 17 00:00:00 2001 From: Wenji Huang Date: Wed, 18 Mar 2009 11:17:25 -0400 Subject: [PATCH] PR9940: avoid duplicated calling of uprobes in shared libraries Add map_p argument to __stp_call_vm_callbacks_with_vma to well tune the vma callback. Signed-off-by: Wenji Huang --- runtime/task_finder.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/runtime/task_finder.c b/runtime/task_finder.c index 38f9145d6..2b4087632 100644 --- a/runtime/task_finder.c +++ b/runtime/task_finder.c @@ -1026,6 +1026,7 @@ __stp_utrace_task_finder_target_syscall_entry(enum utrace_resume_action action, static void __stp_call_vm_callbacks_with_vma(struct stap_task_finder_target *tgt, struct task_struct *tsk, + int map_p, struct vm_area_struct *vma) { char *mmpath_buf; @@ -1052,7 +1053,7 @@ __stp_call_vm_callbacks_with_vma(struct stap_task_finder_target *tgt, rc, (int)tsk->pid); } else { - __stp_call_vm_callbacks(tgt, tsk, 1, mmpath, + __stp_call_vm_callbacks(tgt, tsk, map_p, mmpath, vma->vm_start, vma->vm_end, (vma->vm_pgoff << PAGE_SHIFT)); } @@ -1145,7 +1146,7 @@ __stp_utrace_task_finder_target_syscall_exit(enum utrace_resume_action action, down_read(&mm->mmap_sem); vma = __stp_find_file_based_vma(mm, rv); if (vma != NULL) { - __stp_call_vm_callbacks_with_vma(tgt, tsk, vma); + __stp_call_vm_callbacks_with_vma(tgt, tsk, 0, vma); } up_read(&mm->mmap_sem); mmput(mm); @@ -1218,6 +1219,7 @@ __stp_utrace_task_finder_target_syscall_exit(enum utrace_resume_action action, && vma->vm_end <= entry->vm_end) { __stp_call_vm_callbacks_with_vma(tgt, tsk, + 1, vma); if (vma->vm_end >= entry->vm_end) break; -- 2.43.5