diff options
Diffstat (limited to 'tapsets.cxx')
| -rw-r--r-- | tapsets.cxx | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tapsets.cxx b/tapsets.cxx index 8118c838..d6f89563 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -7490,6 +7490,19 @@ uprobe_derived_probe_group::emit_module_decls (systemtap_session& s) s.op->newline(-1) << "} stap_uprobes [MAXUPROBES];"; s.op->newline() << "DEFINE_MUTEX(stap_uprobes_lock);"; // protects against concurrent registration/unregistration + // Emit vma callbacks. + s.op->newline() << "static struct stap_task_finder_target stap_uprobe_vmcbs[] = {"; + s.op->indent(1); + for (unsigned i = 0; i < probes.size(); i++) + { + uprobe_derived_probe* p = probes[i]; + if (p->pid != 0) + emit_vma_callback_probe_decl (s, "", p->pid); + else + emit_vma_callback_probe_decl (s, p->module, (int64_t)0); + } + s.op->newline(-1) << "};"; + s.op->newline() << "static struct stap_uprobe_spec {"; s.op->newline(1) << "struct stap_task_finder_target finder;"; s.op->newline() << "unsigned long address;"; @@ -7690,6 +7703,13 @@ void uprobe_derived_probe_group::emit_module_init (systemtap_session& s) { if (probes.empty()) return; + s.op->newline() << "/* ---- uprobe vma callbacks ---- */"; + s.op->newline() << "for (i=0; i<ARRAY_SIZE(stap_uprobe_vmcbs); i++) {"; + s.op->indent(1); + s.op->newline() << "struct stap_task_finder_target *r = &stap_uprobe_vmcbs[i];"; + s.op->newline() << "rc = stap_register_task_finder_target(r);"; + s.op->newline(-1) << "}"; + s.op->newline() << "/* ---- user probes ---- */"; s.op->newline() << "for (j=0; j<MAXUPROBES; j++) {"; |