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2015-01-22 Jakub Jelinek <jakub@redhat.com>
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* asan/asan_allocator.h (kAllocatorSpace, kAllocatorSize):
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Set to 1T for __aarch64__.
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* sanitizer_common/sanitizer_platform.h
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(SANITIZER_CAN_USE_ALLOCATOR64): Set to 1 on __aarch64__
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if SANITIZER_WORDSIZE is 64.
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(SANITIZER_MMAP_RANGE_SIZE): Define to 1ULL << 42 for
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__aarch64__.
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--- libsanitizer/asan/asan_allocator.h (revision 219833)
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+++ libsanitizer/asan/asan_allocator.h (working copy)
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@@ -100,6 +100,10 @@
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# if defined(__powerpc64__)
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const uptr kAllocatorSpace = 0xa0000000000ULL;
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const uptr kAllocatorSize = 0x20000000000ULL; // 2T.
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+# elif defined(__aarch64__)
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+// Valid only for 42-bit VA
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+const uptr kAllocatorSpace = 0x10000000000ULL;
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+const uptr kAllocatorSize = 0x10000000000ULL; // 1T.
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# else
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const uptr kAllocatorSpace = 0x600000000000ULL;
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const uptr kAllocatorSize = 0x40000000000ULL; // 4T.
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--- libsanitizer/sanitizer_common/sanitizer_platform.h (revision 219833)
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+++ libsanitizer/sanitizer_common/sanitizer_platform.h (working copy)
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@@ -79,7 +79,7 @@
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// For such platforms build this code with -DSANITIZER_CAN_USE_ALLOCATOR64=0 or
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// change the definition of SANITIZER_CAN_USE_ALLOCATOR64 here.
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#ifndef SANITIZER_CAN_USE_ALLOCATOR64
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-# if defined(__aarch64__) || defined(__mips64)
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+# if defined(__mips64)
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# define SANITIZER_CAN_USE_ALLOCATOR64 0
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# else
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# define SANITIZER_CAN_USE_ALLOCATOR64 (SANITIZER_WORDSIZE == 64)
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@@ -88,10 +88,10 @@
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// The range of addresses which can be returned my mmap.
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// FIXME: this value should be different on different platforms,
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-// e.g. on AArch64 it is most likely (1ULL << 39). Larger values will still work
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+// e.g. on AArch64 it is most likely (1ULL << 42). Larger values will still work
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// but will consume more memory for TwoLevelByteMap.
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#if defined(__aarch64__)
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-# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 39)
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+# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 42)
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#else
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# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 47)
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#endif
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