[PATCH] Interception macros for sanitizers on FreeBSD

[Viktor Kutuzov]

  The same without renaming of files.

  >  Will we then have names with _linux_or_freebsd_or_openbsd?

  _linux_and_bsd? :-)

Hi kcc, samsonov,

http://llvm-reviews.chandlerc.com/D2828

CHANGE SINCE LAST DIFF
  http://llvm-reviews.chandlerc.com/D2828?vs=7273&id=7281#toc

Files:
  lib/interception/interception.h
  lib/interception/interception_linux.cc
  lib/interception/interception_linux.h
  lib/sanitizer_common/sanitizer_platform.h

Index: lib/interception/interception.h
===================================================================
--- lib/interception/interception.h
+++ lib/interception/interception.h
@@ -15,7 +15,8 @@
 #ifndef INTERCEPTION_H
 #define INTERCEPTION_H
 
-#if !defined(__linux__) && !defined(__APPLE__) && !defined(_WIN32)
+#if !defined(__linux__) && !defined(__FreeBSD__) && \
+  !defined(__APPLE__) && !defined(_WIN32)
 # error "Interception doesn't work on this operating system."
 #endif
 
@@ -235,11 +236,11 @@
 
 #define INCLUDED_FROM_INTERCEPTION_LIB
 
-#if defined(__linux__)
+#if defined(__linux__) || defined(__FreeBSD__)
 # include "interception_linux.h"
-# define INTERCEPT_FUNCTION(func) INTERCEPT_FUNCTION_LINUX(func)
+# define INTERCEPT_FUNCTION(func) INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func)
 # define INTERCEPT_FUNCTION_VER(func, symver) \
-    INTERCEPT_FUNCTION_VER_LINUX(func, symver)
+    INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver)
 #elif defined(__APPLE__)
 # include "interception_mac.h"
 # define INTERCEPT_FUNCTION(func) INTERCEPT_FUNCTION_MAC(func)
Index: lib/interception/interception_linux.cc
===================================================================
--- lib/interception/interception_linux.cc
+++ lib/interception/interception_linux.cc
@@ -12,10 +12,10 @@
 // Linux-specific interception methods.
 //===----------------------------------------------------------------------===//
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__FreeBSD__)
 #include "interception.h"
 
-#include <dlfcn.h>   // for dlsym
+#include <dlfcn.h>   // for dlsym() and dlvsym()
 
 namespace __interception {
 bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
@@ -33,4 +33,4 @@
 }  // namespace __interception
 
 
-#endif  // __linux__
+#endif  // __linux__ || __FreeBSD__
Index: lib/interception/interception_linux.h
===================================================================
--- lib/interception/interception_linux.h
+++ lib/interception/interception_linux.h
@@ -12,7 +12,7 @@
 // Linux-specific interception methods.
 //===----------------------------------------------------------------------===//
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__FreeBSD__)
 
 #if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
 # error "interception_linux.h should be included from interception library only"
@@ -28,20 +28,20 @@
 void *GetFuncAddrVer(const char *func_name, const char *ver);
 }  // namespace __interception
 
-#define INTERCEPT_FUNCTION_LINUX(func)                                     \
+#define INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func)                          \
   ::__interception::GetRealFunctionAddress(                                \
       #func, (::__interception::uptr *)&__interception::PTR_TO_REAL(func), \
       (::__interception::uptr) & (func),                                   \
       (::__interception::uptr) & WRAP(func))
 
 #if !defined(__ANDROID__)  // android does not have dlvsym
-# define INTERCEPT_FUNCTION_VER_LINUX(func, symver) \
+# define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
      ::__interception::real_##func = (func##_f)(unsigned long) \
          ::__interception::GetFuncAddrVer(#func, symver)
 #else
-# define INTERCEPT_FUNCTION_VER_LINUX(func, symver) \
-     INTERCEPT_FUNCTION_LINUX(func)
+# define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
+     INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func)
 #endif  // !defined(__ANDROID__)
 
 #endif  // INTERCEPTION_LINUX_H
-#endif  // __linux__
+#endif  // __linux__ || __FreeBSD__
Index: lib/sanitizer_common/sanitizer_platform.h
===================================================================
--- lib/sanitizer_common/sanitizer_platform.h
+++ lib/sanitizer_common/sanitizer_platform.h
@@ -13,7 +13,8 @@
 #ifndef SANITIZER_PLATFORM_H
 #define SANITIZER_PLATFORM_H
 
-#if !defined(__linux__) && !defined(__APPLE__) && !defined(_WIN32)
+#if !defined(__linux__) && !defined(__FreeBSD__) && \
+  !defined(__APPLE__) && !defined(_WIN32)
 # error "This operating system is not supported"
 #endif
 
@@ -23,6 +24,12 @@
 # define SANITIZER_LINUX   0
 #endif
 
+#if defined(__FreeBSD__)
+# define SANITIZER_FREEBSD 1
+#else
+# define SANITIZER_FREEBSD 0
+#endif
+
 #if defined(__APPLE__)
 # define SANITIZER_MAC     1
 # include <TargetConditionals.h>
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