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"Reland "[hwasan] Provide aliases for c allocation functions for Fuchsia"

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This reverts commit 7b6c0ce9c6c1e2cc3076e787e0e8d9a43bc2bfcc.

See if this works on the android builder this time by keeping the
original WRAP declaration.
This commit is contained in:
Leonard Chan 2023-03-31 17:03:18 +00:00
parent a72162cc52
commit 39ece7583a
1 changed files with 9 additions and 5 deletions
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14
compiler-rt/lib/hwasan/hwasan_allocation_functions.cpp
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@ -16,10 +16,9 @@
#include "interception/interception.h"
#include "sanitizer_common/sanitizer_allocator_dlsym.h"
#include "sanitizer_common/sanitizer_allocator_interface.h"
#include "sanitizer_common/sanitizer_mallinfo.h"
#include "sanitizer_common/sanitizer_tls_get_addr.h"
#if !SANITIZER_FUCHSIA
using namespace __hwasan;
struct DlsymAlloc : public DlSymAllocator<DlsymAlloc> {
@ -155,12 +154,19 @@ void *__sanitizer_malloc(uptr size) {
} // extern "C"
#if HWASAN_WITH_INTERCEPTORS
#if HWASAN_WITH_INTERCEPTORS || SANITIZER_FUCHSIA
#if SANITIZER_FUCHSIA
// Fuchsia does not use WRAP/wrappers used for the interceptor infrastructure.
# define INTERCEPTOR_ALIAS(RET, FN, ARGS...) \
extern "C" SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE RET FN( \
ARGS) ALIAS("__sanitizer_" #FN)
#else
# define INTERCEPTOR_ALIAS(RET, FN, ARGS...) \
extern "C" SANITIZER_INTERFACE_ATTRIBUTE RET WRAP(FN)(ARGS) \
ALIAS("__sanitizer_" #FN); \
extern "C" SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE RET FN( \
ARGS) ALIAS("__sanitizer_" #FN)
#endif
INTERCEPTOR_ALIAS(int, posix_memalign, void **memptr, SIZE_T alignment,
SIZE_T size);
@ -183,5 +189,3 @@ INTERCEPTOR_ALIAS(int, mallopt, int cmd, int value);
INTERCEPTOR_ALIAS(void, malloc_stats, void);
# endif
#endif // #if HWASAN_WITH_INTERCEPTORS
#endif // SANITIZER_FUCHSIA