[compiler-rt] r335502 - [HWASan] Initalize shadow earler.

[Alex Shlyapnikov via llvm-commits]

Author: alekseyshl
Date: Mon Jun 25 10:27:13 2018
New Revision: 335502

URL: http://llvm.org/viewvc/llvm-project?rev=335502&view=rev
Log:
[HWASan] Initalize shadow earler.

Summary:
Initialize shadow memory before calling more libc functions to allow
for HWASan-instrumented libc.

Reviewers: eugenis

Subscribers: kubamracek, delcypher, #sanitizers, llvm-commits

Differential Revision: https://reviews.llvm.org/D48551

Modified:
    compiler-rt/trunk/lib/hwasan/hwasan.cc

Modified: compiler-rt/trunk/lib/hwasan/hwasan.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/hwasan/hwasan.cc?rev=335502&r1=335501&r2=335502&view=diff
==============================================================================
--- compiler-rt/trunk/lib/hwasan/hwasan.cc (original)
+++ compiler-rt/trunk/lib/hwasan/hwasan.cc Mon Jun 25 10:27:13 2018
@@ -177,10 +177,6 @@ void __hwasan_init() {
 
   __sanitizer_set_report_path(common_flags()->log_path);
 
-  InitializeInterceptors();
-  InstallDeadlySignalHandlers(HwasanOnDeadlySignal);
-  InstallAtExitHandler(); // Needs __cxa_atexit interceptor.
-
   DisableCoreDumperIfNecessary();
   if (!InitShadow()) {
     Printf("FATAL: HWAddressSanitizer cannot mmap the shadow memory.\n");
@@ -194,6 +190,10 @@ void __hwasan_init() {
     Die();
   }
 
+  InitializeInterceptors();
+  InstallDeadlySignalHandlers(HwasanOnDeadlySignal);
+  InstallAtExitHandler(); // Needs __cxa_atexit interceptor.
+
   Symbolizer::GetOrInit()->AddHooks(EnterSymbolizer, ExitSymbolizer);
 
   InitializeCoverage(common_flags()->coverage, common_flags()->coverage_dir);