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[sanitizer] Interception macros for sanitizers on FreeBSD; patch by Viktor Kutuzov

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llvm-svn: 202009
This commit is contained in:
Kostya Serebryany 2014-02-24 08:37:41 +00:00
parent 249cd9af9c
commit 04f2bf0f07
4 changed files with 22 additions and 14 deletions
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9
compiler-rt/lib/interception/interception.h
View File

@ -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 @@ typedef unsigned long uptr; // NOLINT
#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)

6
compiler-rt/lib/interception/interception_linux.cc
View File

@ -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 @@ void *GetFuncAddrVer(const char *func_name, const char *ver) {
} // namespace __interception
#endif // __linux__
#endif // __linux__ || __FreeBSD__

12
compiler-rt/lib/interception/interception_linux.h
View File

@ -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 @@ bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
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__

9
compiler-rt/lib/sanitizer_common/sanitizer_platform.h
View File

@ -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>