[compiler-rt] r177397 - [sanitizer] Move ASan platform macros to sanitizer_common and rename them appropriately.

Evgeniy Stepanov eugeni.stepanov at gmail.com
Tue Mar 19 07:34:32 PDT 2013


Should be fixed in r177400.

On Tue, Mar 19, 2013 at 6:07 PM, Alexey Samsonov <samsonov at google.com> wrote:
> On Tue, Mar 19, 2013 at 5:54 PM, Evgeniy Stepanov
> <eugeni.stepanov at gmail.com> wrote:
>>
>> Author: eugenis
>> Date: Tue Mar 19 08:54:41 2013
>> New Revision: 177397
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=177397&view=rev
>> Log:
>> [sanitizer] Move ASan platform macros to sanitizer_common and rename them
>> appropriately.
>>
>> Modified:
>>     compiler-rt/trunk/lib/asan/asan_internal.h
>>     compiler-rt/trunk/lib/asan/asan_linux.cc
>>     compiler-rt/trunk/lib/asan/asan_mac.h
>>     compiler-rt/trunk/lib/asan/asan_malloc_linux.cc
>>     compiler-rt/trunk/lib/asan/asan_mapping.h
>>     compiler-rt/trunk/lib/asan/asan_new_delete.cc
>>     compiler-rt/trunk/lib/asan/asan_rtl.cc
>>     compiler-rt/trunk/lib/asan/asan_thread_registry.cc
>>     compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h
>>
>> Modified: compiler-rt/trunk/lib/asan/asan_internal.h
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_internal.h?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/asan/asan_internal.h (original)
>> +++ compiler-rt/trunk/lib/asan/asan_internal.h Tue Mar 19 08:54:41 2013
>> @@ -21,39 +21,8 @@
>>  #include "sanitizer_common/sanitizer_stacktrace.h"
>>  #include "sanitizer_common/sanitizer_libc.h"
>>
>> -#if !defined(__linux__) && !defined(__APPLE__) && !defined(_WIN32)
>> -# error "This operating system is not supported by AddressSanitizer"
>> -#endif
>> -
>>  #define ASAN_DEFAULT_FAILURE_EXITCODE 1
>>
>> -#if defined(__linux__)
>> -# define ASAN_LINUX   1
>> -#else
>> -# define ASAN_LINUX   0
>> -#endif
>> -
>> -#if defined(__APPLE__)
>> -# define ASAN_MAC     1
>> -#else
>> -# define ASAN_MAC     0
>> -#endif
>> -
>> -#if defined(_WIN32)
>> -# define ASAN_WINDOWS 1
>> -#else
>> -# define ASAN_WINDOWS 0
>> -#endif
>> -
>> -#if defined(__ANDROID__) || defined(ANDROID)
>> -# define ASAN_ANDROID 1
>> -#else
>> -# define ASAN_ANDROID 0
>> -#endif
>> -
>> -
>> -#define ASAN_POSIX (ASAN_LINUX || ASAN_MAC)
>> -
>>  #if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
>>  # error "The AddressSanitizer run-time should not be"
>>          " instrumented by AddressSanitizer"
>> @@ -63,7 +32,7 @@
>>
>>  // If set, asan will install its own SEGV signal handler.
>>  #ifndef ASAN_NEEDS_SEGV
>> -# if ASAN_ANDROID == 1
>> +# if SANITIZER_ANDROID == 1
>>  #  define ASAN_NEEDS_SEGV 0
>>  # else
>>  #  define ASAN_NEEDS_SEGV 1
>> @@ -92,7 +61,7 @@
>>  #endif
>>
>>  #ifndef ASAN_USE_PREINIT_ARRAY
>> -# define ASAN_USE_PREINIT_ARRAY (ASAN_LINUX && !ASAN_ANDROID)
>> +# define ASAN_USE_PREINIT_ARRAY (SANITIZER_LINUX && !SANITIZER_ANDROID)
>>  #endif
>>
>>  // All internal functions in asan reside inside the __asan namespace
>>
>> Modified: compiler-rt/trunk/lib/asan/asan_linux.cc
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_linux.cc?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/asan/asan_linux.cc (original)
>> +++ compiler-rt/trunk/lib/asan/asan_linux.cc Tue Mar 19 08:54:41 2013
>> @@ -31,7 +31,7 @@
>>  #include <unistd.h>
>>  #include <unwind.h>
>>
>> -#if !ASAN_ANDROID
>> +#if !SANITIZER_ANDROID
>>  // FIXME: where to get ucontext on Android?
>>  #include <sys/ucontext.h>
>>  #endif
>> @@ -50,7 +50,7 @@ void *AsanDoesNotSupportStaticLinkage()
>>  }
>>
>>  void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) {
>> -#if ASAN_ANDROID
>> +#if SANITIZER_ANDROID
>>    *pc = *sp = *bp = 0;
>>  #elif defined(__arm__)
>>    ucontext_t *ucontext = (ucontext_t*)context;
>> @@ -119,7 +119,7 @@ void GetStackTrace(StackTrace *stack, up
>>    }
>>  }
>>
>> -#if !ASAN_ANDROID
>> +#if !SANITIZER_ANDROID
>>  void ReadContextStack(void *context, uptr *stack, uptr *ssize) {
>>    ucontext_t *ucp = (ucontext_t*)context;
>>    *stack = (uptr)ucp->uc_stack.ss_sp;
>>
>> Modified: compiler-rt/trunk/lib/asan/asan_mac.h
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_mac.h?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/asan/asan_mac.h (original)
>> +++ compiler-rt/trunk/lib/asan/asan_mac.h Tue Mar 19 08:54:41 2013
>> @@ -11,8 +11,8 @@
>>  //
>>  // Mac-specific ASan definitions.
>>
>> //===----------------------------------------------------------------------===//
>> -#ifndef ASAN_MAC_H
>> -#define ASAN_MAC_H
>> +#ifndef SANITIZER_MAC_H
>> +#define SANITIZER_MAC_H
>
>
> I don't think you should modify header guards.
>
>>
>>
>>  // CF_RC_BITS, the layout of CFRuntimeBase and __CFStrIsConstant are
>> internal
>>  // and subject to change in further CoreFoundation versions. Apple does
>> not
>> @@ -54,4 +54,4 @@ void MaybeReplaceCFAllocator();
>>
>>  }  // namespace __asan
>>
>> -#endif  // ASAN_MAC_H
>> +#endif  // SANITIZER_MAC_H
>>
>> Modified: compiler-rt/trunk/lib/asan/asan_malloc_linux.cc
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_malloc_linux.cc?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/asan/asan_malloc_linux.cc (original)
>> +++ compiler-rt/trunk/lib/asan/asan_malloc_linux.cc Tue Mar 19 08:54:41
>> 2013
>> @@ -21,7 +21,7 @@
>>  #include "asan_stack.h"
>>  #include "asan_thread_registry.h"
>>
>> -#if ASAN_ANDROID
>> +#if SANITIZER_ANDROID
>>  DECLARE_REAL_AND_INTERCEPTOR(void*, malloc, uptr size)
>>  DECLARE_REAL_AND_INTERCEPTOR(void, free, void *ptr)
>>  DECLARE_REAL_AND_INTERCEPTOR(void*, calloc, uptr nmemb, uptr size)
>>
>> Modified: compiler-rt/trunk/lib/asan/asan_mapping.h
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_mapping.h?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/asan/asan_mapping.h (original)
>> +++ compiler-rt/trunk/lib/asan/asan_mapping.h Tue Mar 19 08:54:41 2013
>> @@ -56,7 +56,7 @@ extern SANITIZER_INTERFACE_ATTRIBUTE upt
>>  # define SHADOW_SCALE (__asan_mapping_scale)
>>  # define SHADOW_OFFSET (__asan_mapping_offset)
>>  #else
>> -# if ASAN_ANDROID
>> +# if SANITIZER_ANDROID
>>  #  define SHADOW_SCALE (3)
>>  #  define SHADOW_OFFSET (0)
>>  # else
>> @@ -67,7 +67,7 @@ extern SANITIZER_INTERFACE_ATTRIBUTE upt
>>  #   if defined(__powerpc64__)
>>  #    define SHADOW_OFFSET (1ULL << 41)
>>  #   else
>> -#    if ASAN_MAC
>> +#    if SANITIZER_MAC
>>  #     define SHADOW_OFFSET (1ULL << 44)
>>  #    else
>>  #     define SHADOW_OFFSET 0x7fff8000ULL
>>
>> Modified: compiler-rt/trunk/lib/asan/asan_new_delete.cc
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_new_delete.cc?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/asan/asan_new_delete.cc (original)
>> +++ compiler-rt/trunk/lib/asan/asan_new_delete.cc Tue Mar 19 08:54:41 2013
>> @@ -29,7 +29,7 @@ using namespace __asan;  // NOLINT
>>
>>  // On Android new() goes through malloc interceptors.
>>  // See also
>> https://code.google.com/p/address-sanitizer/issues/detail?id=131.
>> -#if !ASAN_ANDROID
>> +#if !SANITIZER_ANDROID
>>
>>  // Fake std::nothrow_t to avoid including <new>.
>>  namespace std {
>>
>> Modified: compiler-rt/trunk/lib/asan/asan_rtl.cc
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_rtl.cc?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/asan/asan_rtl.cc (original)
>> +++ compiler-rt/trunk/lib/asan/asan_rtl.cc Tue Mar 19 08:54:41 2013
>> @@ -169,7 +169,7 @@ void InitializeFlags(Flags *f, const cha
>>    f->poison_heap = true;
>>    // Turn off alloc/dealloc mismatch checker on Mac for now.
>>    // TODO(glider): Fix known issues and enable this back.
>> -  f->alloc_dealloc_mismatch = (ASAN_MAC == 0);;
>> +  f->alloc_dealloc_mismatch = (SANITIZER_MAC == 0);;
>>    f->use_stack_depot = true;  // Only affects allocator2.
>>    f->strict_memcmp = true;
>>
>> @@ -462,7 +462,7 @@ void __asan_init() {
>>    bool full_shadow_is_available =
>>        MemoryRangeIsAvailable(shadow_start, shadow_end);
>>
>> -#if ASAN_LINUX && defined(__x86_64__) && !ASAN_FIXED_MAPPING
>> +#if SANITIZER_LINUX && defined(__x86_64__) && !ASAN_FIXED_MAPPING
>>    if (!full_shadow_is_available) {
>>      kMidMemBeg = kLowMemEnd < 0x3000000000ULL ? 0x3000000000ULL : 0;
>>      kMidMemEnd = kLowMemEnd < 0x3000000000ULL ? 0x4fffffffffULL : 0;
>>
>> Modified: compiler-rt/trunk/lib/asan/asan_thread_registry.cc
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_thread_registry.cc?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/asan/asan_thread_registry.cc (original)
>> +++ compiler-rt/trunk/lib/asan/asan_thread_registry.cc Tue Mar 19 08:54:41
>> 2013
>> @@ -70,7 +70,7 @@ AsanThread *AsanThreadRegistry::GetMain(
>>  AsanThread *AsanThreadRegistry::GetCurrent() {
>>    AsanThreadSummary *summary = (AsanThreadSummary *)AsanTSDGet();
>>    if (!summary) {
>> -#if ASAN_ANDROID
>> +#if SANITIZER_ANDROID
>>      // On Android, libc constructor is called _after_ asan_init, and
>> cleans up
>>      // TSD. Try to figure out if this is still the main thread by the
>> stack
>>      // address. We are not entirely sure that we have correct main thread
>>
>> Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h?rev=177397&r1=177396&r2=177397&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h
>> (original)
>> +++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h Tue
>> Mar 19 08:54:41 2013
>> @@ -13,6 +13,37 @@
>>  #ifndef SANITIZER_DEFS_H
>>  #define SANITIZER_DEFS_H
>>
>> +#if !defined(__linux__) && !defined(__APPLE__) && !defined(_WIN32)
>> +# error "This operating system is not supported"
>> +#endif
>> +
>> +#if defined(__linux__)
>> +# define SANITIZER_LINUX   1
>> +#else
>> +# define SANITIZER_LINUX   0
>> +#endif
>> +
>> +#if defined(__APPLE__)
>> +# define SANITIZER_MAC     1
>> +#else
>> +# define SANITIZER_MAC     0
>> +#endif
>> +
>> +#if defined(_WIN32)
>> +# define SANITIZER_WINDOWS 1
>> +#else
>> +# define SANITIZER_WINDOWS 0
>> +#endif
>> +
>> +#if defined(__ANDROID__) || defined(ANDROID)
>> +# define SANITIZER_ANDROID 1
>> +#else
>> +# define SANITIZER_ANDROID 0
>> +#endif
>> +
>> +#define SANITIZER_POSIX (SANITIZER_LINUX || SANITIZER_MAC)
>> +
>> +
>>  #if defined(_WIN32)
>>  // FIXME find out what we need on Windows. __declspec(dllexport) ?
>>  # define SANITIZER_INTERFACE_ATTRIBUTE
>>
>>
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>
>
>
>
> --
> Alexey Samsonov, MSK



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