[PATCH] D36488: Add NetBSD support in asan_linux.cc
Kamil Rytarowski via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 8 14:34:38 PDT 2017
krytarowski created this revision.
krytarowski added a project: Sanitizers.
Herald added a subscriber: kubamracek.
Part of the code inspired by the original work on libsanitizer in GCC 5.4 by Christos Zoulas.
Sponsored by <The NetBSD Foundation>
Repository:
rL LLVM
https://reviews.llvm.org/D36488
Files:
lib/asan/asan_linux.cc
Index: lib/asan/asan_linux.cc
===================================================================
--- lib/asan/asan_linux.cc
+++ lib/asan/asan_linux.cc
@@ -13,7 +13,7 @@
//===----------------------------------------------------------------------===//
#include "sanitizer_common/sanitizer_platform.h"
-#if SANITIZER_FREEBSD || SANITIZER_LINUX
+#if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD
#include "asan_interceptors.h"
#include "asan_internal.h"
@@ -42,6 +42,10 @@
#if SANITIZER_ANDROID || SANITIZER_FREEBSD
#include <ucontext.h>
extern "C" void* _DYNAMIC;
+#elif SANITIZER_NETBSD
+#include <link_elf.h>
+#include <ucontext.h>
+extern Elf_Dyn _DYNAMIC;
#else
#include <sys/ucontext.h>
#include <link.h>
@@ -101,6 +105,15 @@
if (internal_strncmp(info->dlpi_name, "linux-", sizeof("linux-") - 1) == 0)
return 0;
+#if SANITIZER_NETBSD
+ // Ignore first entry (the main program)
+ char **p = (char **)data;
+ if (*p == NULL) {
+ *p = (char *)-1;
+ return 0;
+ }
+#endif
+
*(const char **)data = info->dlpi_name;
return 1;
}
@@ -179,4 +192,4 @@
} // namespace __asan
-#endif // SANITIZER_FREEBSD || SANITIZER_LINUX
+#endif // SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD
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