Commit 90a10f00 authored by Roland McGrath's avatar Roland McGrath Committed by Petr Hosek
Browse files

[lsan] Support LeakSanitizer runtime on Fuchsia 

Support LeakSanitizer runtime on Fuchsia.

Patch By: mcgrathr

Differential Revision: https://reviews.llvm.org/D72887
parent 2b0e6fe2

compiler-rt/cmake/config-ix.cmake

+1 −1
Original line number Diff line number Diff line
@@ -640,7 +640,7 @@ else() 
endif()



if (COMPILER_RT_HAS_SANITIZER_COMMON AND LSAN_SUPPORTED_ARCH AND

    OS_NAME MATCHES "Darwin|Linux|NetBSD")

    OS_NAME MATCHES "Darwin|Linux|NetBSD|Fuchsia")

  set(COMPILER_RT_HAS_LSAN TRUE)

else()

  set(COMPILER_RT_HAS_LSAN FALSE)

compiler-rt/lib/asan/asan_thread.cpp

+2 −0
Original line number Diff line number Diff line
@@ -480,6 +480,8 @@ bool GetThreadRangesLocked(tid_t os_id, uptr *stack_begin, uptr *stack_end, 
  return true;

}



void GetAllThreadAllocatorCachesLocked(InternalMmapVector<uptr> *caches) {}



void ForEachExtraStackRange(tid_t os_id, RangeIteratorCallback callback,

                            void *arg) {

  __asan::AsanThread *t = __asan::GetAsanThreadByOsIDLocked(os_id);

compiler-rt/lib/lsan/CMakeLists.txt

+2 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ append_rtti_flag(OFF LSAN_CFLAGS) 


set(LSAN_COMMON_SOURCES

  lsan_common.cpp

  lsan_common_fuchsia.cpp

  lsan_common_linux.cpp

  lsan_common_mac.cpp

  )
@@ -12,6 +13,7 @@ set(LSAN_COMMON_SOURCES 
set(LSAN_SOURCES

  lsan.cpp

  lsan_allocator.cpp

  lsan_fuchsia.cpp

  lsan_interceptors.cpp

  lsan_linux.cpp

  lsan_mac.cpp

compiler-rt/lib/lsan/lsan.cpp

+0 −12
Original line number Diff line number Diff line
@@ -15,7 +15,6 @@ 


#include "sanitizer_common/sanitizer_flags.h"

#include "sanitizer_common/sanitizer_flag_parser.h"

#include "sanitizer_common/sanitizer_stacktrace.h"

#include "lsan_allocator.h"

#include "lsan_common.h"

#include "lsan_thread.h"
@@ -87,17 +86,6 @@ static void InitializeFlags() { 
  __sanitizer_set_report_path(common_flags()->log_path);

}



static void OnStackUnwind(const SignalContext &sig, const void *,

                          BufferedStackTrace *stack) {

  stack->Unwind(StackTrace::GetNextInstructionPc(sig.pc), sig.bp, sig.context,

                common_flags()->fast_unwind_on_fatal);

}



static void LsanOnDeadlySignal(int signo, void *siginfo, void *context) {

  HandleDeadlySignal(siginfo, context, GetCurrentThread(), &OnStackUnwind,

                     nullptr);

}



extern "C" void __lsan_init() {

  CHECK(!lsan_init_is_running);

  if (lsan_inited)

compiler-rt/lib/lsan/lsan.h

+3 −0
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ 
#include "lsan_thread.h"

#if SANITIZER_POSIX

#include "lsan_posix.h"

#elif SANITIZER_FUCHSIA

#include "lsan_fuchsia.h"

#endif

#include "sanitizer_common/sanitizer_flags.h"

#include "sanitizer_common/sanitizer_stacktrace.h"
@@ -36,6 +38,7 @@ namespace __lsan { 


void InitializeInterceptors();

void ReplaceSystemMalloc();

void LsanOnDeadlySignal(int signo, void *siginfo, void *context);



#define ENSURE_LSAN_INITED do {   \

  CHECK(!lsan_init_is_running);   \