[compiler-rt] r322646 - Add new interceptor: acct(2)

[Kamil Rytarowski via llvm-commits]

Author: kamil
Date: Wed Jan 17 05:05:14 2018
New Revision: 322646

URL: http://llvm.org/viewvc/llvm-project?rev=322646&view=rev
Log:
Add new interceptor: acct(2)

Summary:
acct - enable or disable process accounting

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, vitalybuka

Reviewed By: vitalybuka

Subscribers: kubamracek, llvm-commits, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D42066

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc?rev=322646&r1=322645&r2=322646&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc Wed Jan 17 05:05:14 2018
@@ -6463,6 +6463,19 @@ INTERCEPTOR(wchar_t *, wcsncat, wchar_t
 #define INIT_WCSCAT
 #endif
 
+#if SANITIZER_INTERCEPT_ACCT
+INTERCEPTOR(int, acct, const char *file) {
+  void *ctx;
+  COMMON_INTERCEPTOR_ENTER(ctx, acct, file);
+  if (file)
+    COMMON_INTERCEPTOR_READ_RANGE(ctx, file, REAL(strlen)(file) + 1);
+  return REAL(acct)(file);
+}
+#define INIT_ACCT COMMON_INTERCEPT_FUNCTION(acct)
+#else
+#define INIT_ACCT
+#endif
+
 static void InitializeCommonInterceptors() {
   static u64 metadata_mem[sizeof(MetadataHashMap) / sizeof(u64) + 1];
   interceptor_metadata_map = new((void *)&metadata_mem) MetadataHashMap();
@@ -6674,6 +6687,7 @@ static void InitializeCommonInterceptors
   INIT_GETLOADAVG;
   INIT_WCSLEN;
   INIT_WCSCAT;
+  INIT_ACCT;
 
 #if SANITIZER_NETBSD
   COMMON_INTERCEPT_FUNCTION(__libc_mutex_lock);

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h?rev=322646&r1=322645&r2=322646&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h Wed Jan 17 05:05:14 2018
@@ -432,4 +432,6 @@
 #define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS && SI_NOT_FUCHSIA)
 #define SANITIZER_INTERCEPT_BSD_SIGNAL SI_ANDROID
 
+#define SANITIZER_INTERCEPT_ACCT SI_NETBSD
+
 #endif  // #ifndef SANITIZER_PLATFORM_INTERCEPTORS_H