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[sanitizer_common] Use 38-bit mmap range for Fuchsia #69387

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merged 1 commit into from
Oct 18, 2023
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[sanitizer_common] Use 38-bit mmap range for Fuchsia #69387

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10 changes: 9 additions & 1 deletion compiler-rt/lib/sanitizer_common/sanitizer_platform.h
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Original file line number Diff line number Diff line change
Expand Up @@ -303,7 +303,15 @@
# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 40)
# endif
#elif SANITIZER_RISCV64
# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 47)
// FIXME: Rather than hardcoding the VMA here, we should rely on
// GetMaxUserVirtualAddress(). This will require some refactoring though since
// many places either hardcode some value or SANITIZER_MMAP_RANGE_SIZE is
// assumed to be some constant integer.
# if SANITIZER_FUCHSIA
# define SANITIZER_MMAP_RANGE_SIZE (1ULL << 38)
# else
# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 47)
# endif
#elif defined(__aarch64__)
# if SANITIZER_APPLE
# if SANITIZER_OSX || SANITIZER_IOSSIM
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