[llvm-commits] [compiler-rt] r173146 - /compiler-rt/trunk/lib/asan/lit_tests/Linux/zero-base-shadow.cc

[Alexey Samsonov]

Author: samsonov
Date: Tue Jan 22 04:45:20 2013
New Revision: 173146

URL: http://llvm.org/viewvc/llvm-project?rev=173146&view=rev
Log:
ASan: add output test for -fsanitize-address-zero-based-shadow option on Linux

Added:
    compiler-rt/trunk/lib/asan/lit_tests/Linux/zero-base-shadow.cc

Added: compiler-rt/trunk/lib/asan/lit_tests/Linux/zero-base-shadow.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/lit_tests/Linux/zero-base-shadow.cc?rev=173146&view=auto
==============================================================================
--- compiler-rt/trunk/lib/asan/lit_tests/Linux/zero-base-shadow.cc (added)
+++ compiler-rt/trunk/lib/asan/lit_tests/Linux/zero-base-shadow.cc Tue Jan 22 04:45:20 2013
@@ -0,0 +1,27 @@
+// RUN: %clangxx_asan -m64 -O0 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t && %t 2>&1 | %symbolize > %t.out
+// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-64 < %t.out
+// RUN: %clangxx_asan -m64 -O1 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t && %t 2>&1 | %symbolize > %t.out
+// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-64 < %t.out
+// RUN: %clangxx_asan -m64 -O2 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t && %t 2>&1 | %symbolize > %t.out
+// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-64 < %t.out
+// RUN: %clangxx_asan -m32 -O0 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t && %t 2>&1 | %symbolize > %t.out
+// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-32 < %t.out
+// RUN: %clangxx_asan -m32 -O1 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t && %t 2>&1 | %symbolize > %t.out
+// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-32 < %t.out
+// RUN: %clangxx_asan -m32 -O2 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t && %t 2>&1 | %symbolize > %t.out
+// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-32 < %t.out
+
+#include <string.h>
+int main(int argc, char **argv) {
+  char x[10];
+  memset(x, 0, 10);
+  int res = x[argc * 10];  // BOOOM
+  // CHECK: {{READ of size 1 at 0x.* thread T0}}
+  // CHECK: {{    #0 0x.* in _?main .*zero-base-shadow.cc:}}[[@LINE-2]]
+  // CHECK: {{Address 0x.* is .* frame <main>}}
+
+  // Check that shadow for stack memory occupies lower part of address space.
+  // CHECK-64: =>0x0f{{.*}}
+  // CHECK-32: =>0x1f{{.*}}
+  return res;
+}