[PATCH] D28435: [compiler-rt] Define delimiters for sanitizer coverage's binary section on Windows.

[Marcos Pividori via Phabricator via llvm-commits]

mpividori updated this revision to Diff 85840.
mpividori added a comment.

I update this diff to include the changes only for sanitizer coverage, independent of asan.


https://reviews.llvm.org/D28435

Files:
  lib/sanitizer_common/CMakeLists.txt
  lib/sanitizer_common/sanitizer_coverage_win_sections.cc


Index: lib/sanitizer_common/sanitizer_coverage_win_sections.cc
===================================================================
--- /dev/null
+++ lib/sanitizer_common/sanitizer_coverage_win_sections.cc
@@ -0,0 +1,22 @@
+//===-- sanitizer_coverage_win_sections.cc --------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines delimiters for Sanitizer Coverage's section.
+//===----------------------------------------------------------------------===//
+
+#include "sanitizer_platform.h"
+#if SANITIZER_WINDOWS
+#include <stdint.h>
+#pragma section(".SCOV$A", read, write)  // NOLINT
+#pragma section(".SCOV$Z", read, write)  // NOLINT
+extern "C" {
+__declspec(allocate(".SCOV$A")) uint32_t __start___sancov_guards = 0;
+__declspec(allocate(".SCOV$Z")) uint32_t __stop___sancov_guards = 0;
+}
+#endif // SANITIZER_WINDOWS
Index: lib/sanitizer_common/CMakeLists.txt
===================================================================
--- lib/sanitizer_common/CMakeLists.txt
+++ lib/sanitizer_common/CMakeLists.txt
@@ -56,6 +56,7 @@
   sanitizer_coverage_libcdep.cc
   sanitizer_coverage_libcdep_new.cc
   sanitizer_coverage_mapping_libcdep.cc
+  sanitizer_coverage_win_sections.cc
   sanitizer_linux_libcdep.cc
   sanitizer_posix_libcdep.cc
   sanitizer_stacktrace_libcdep.cc
@@ -197,6 +198,7 @@
     ${SANITIZER_COMMON_SUPPORTED_OS}
     ARCHS ${SANITIZER_COMMON_SUPPORTED_ARCH}
     SOURCES sanitizer_coverage_win_dll_thunk.cc
+            sanitizer_coverage_win_sections.cc
     CFLAGS ${SANITIZER_CFLAGS} -DSANITIZER_DLL_THUNK
     DEFS ${SANITIZER_COMMON_DEFINITIONS})
 
@@ -216,6 +218,7 @@
     ${SANITIZER_COMMON_SUPPORTED_OS}
     ARCHS ${SANITIZER_COMMON_SUPPORTED_ARCH}
     SOURCES sanitizer_coverage_win_dynamic_runtime_thunk.cc
+            sanitizer_coverage_win_sections.cc
     CFLAGS ${SANITIZER_CFLAGS} ${DYNAMIC_RUNTIME_THUNK_CFLAGS}
     DEFS ${SANITIZER_COMMON_DEFINITIONS})
 endif()


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