[PATCH] D46459: [asan] On RTEMS, checks for asan_inited before entering ASan run-time

[Walter Lee via Phabricator via llvm-commits]

waltl updated this revision to Diff 147439.
waltl added a comment.

Make GetCurrentThread RTEMS-friendly.


Repository:
  rL LLVM

https://reviews.llvm.org/D46459

Files:
  compiler-rt/lib/asan/asan_rtl.cc
  compiler-rt/lib/asan/asan_thread.cc


Index: compiler-rt/lib/asan/asan_thread.cc
===================================================================
--- compiler-rt/lib/asan/asan_thread.cc
+++ compiler-rt/lib/asan/asan_thread.cc
@@ -389,6 +389,9 @@
 }
 
 AsanThread *GetCurrentThread() {
+  if (SANITIZER_RTEMS && !asan_inited)
+    return nullptr;
+
   AsanThreadContext *context =
       reinterpret_cast<AsanThreadContext *>(AsanTSDGet());
   if (!context) {
Index: compiler-rt/lib/asan/asan_rtl.cc
===================================================================
--- compiler-rt/lib/asan/asan_rtl.cc
+++ compiler-rt/lib/asan/asan_rtl.cc
@@ -536,6 +536,9 @@
   if (curr_thread) {
     top = curr_thread->stack_top();
     bottom = ((uptr)&local_stack - PageSize) & ~(PageSize - 1);
+  } else if (SANITIZER_RTEMS) {
+    // Give up On RTEMS.
+    return;
   } else {
     CHECK(!SANITIZER_FUCHSIA);
     // If we haven't seen this thread, try asking the OS for stack bounds.


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