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scudo: Replace ALIGNED macro with standard alignas specifier.

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alignas was introduced in C++11 and is already being used throughout LLVM.

Differential Revision: https://reviews.llvm.org/D77823
This commit is contained in:
Peter Collingbourne
2020-04-09 13:37:27 -07:00
parent 55efb68c19
commit 9c86b83ffc
6 changed files with 5 additions and 8 deletions
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2
compiler-rt/lib/scudo/standalone/atomic_helpers.h
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@@ -51,7 +51,7 @@ struct atomic_u32 {
struct atomic_u64 {
typedef u64 Type;
// On 32-bit platforms u64 is not necessarily aligned on 8 bytes.
ALIGNED(8) volatile Type ValDoNotUse;
alignas(8) volatile Type ValDoNotUse;
};
struct atomic_uptr {

3
compiler-rt/lib/scudo/standalone/internal_defs.h
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@@ -33,9 +33,6 @@
#define WEAK __attribute__((weak))
#define ALWAYS_INLINE inline __attribute__((always_inline))
#define ALIAS(X) __attribute__((alias(X)))
// Please only use the ALIGNED macro before the type. Using ALIGNED after the
// variable declaration is not portable.
#define ALIGNED(X) __attribute__((aligned(X)))
#define FORMAT(F, A) __attribute__((format(printf, F, A)))
#define NOINLINE __attribute__((noinline))
#define NORETURN __attribute__((noreturn))

2
compiler-rt/lib/scudo/standalone/primary32.h
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@@ -225,7 +225,7 @@ private:
u64 LastReleaseAtNs;
};
struct ALIGNED(SCUDO_CACHE_LINE_SIZE) SizeClassInfo {
struct alignas(SCUDO_CACHE_LINE_SIZE) SizeClassInfo {
HybridMutex Mutex;
SinglyLinkedList<TransferBatch> FreeList;
uptr CurrentRegion;

2
compiler-rt/lib/scudo/standalone/primary64.h
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@@ -231,7 +231,7 @@ private:
u64 LastReleaseAtNs;
};
struct ALIGNED(SCUDO_CACHE_LINE_SIZE) RegionInfo {
struct alignas(SCUDO_CACHE_LINE_SIZE) RegionInfo {
HybridMutex Mutex;
SinglyLinkedList<TransferBatch> FreeList;
RegionStats Stats;

2
compiler-rt/lib/scudo/standalone/tests/mutex_test.cpp
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@@ -52,7 +52,7 @@ private:
static const scudo::u32 Size = 64U;
typedef scudo::u64 T;
scudo::HybridMutex &Mutex;
ALIGNED(SCUDO_CACHE_LINE_SIZE) T Data[Size];
alignas(SCUDO_CACHE_LINE_SIZE) T Data[Size];
};
const scudo::u32 NumberOfThreads = 8;

2
compiler-rt/lib/scudo/standalone/tsd.h
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@@ -23,7 +23,7 @@
namespace scudo {
template <class Allocator> struct ALIGNED(SCUDO_CACHE_LINE_SIZE) TSD {
template <class Allocator> struct alignas(SCUDO_CACHE_LINE_SIZE) TSD {
typename Allocator::CacheT Cache;
typename Allocator::QuarantineCacheT QuarantineCache;
u8 DestructorIterations;