gcc/gcc6-libsanitize-aarch64-va42.patch

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2016-01-27 12:37:40 +00:00
2015-01-22 Jakub Jelinek <jakub@redhat.com>
* sanitizer_common/sanitizer_platform.h
(SANITIZER_AARCH64_VMA): Set to 42.
(SANITIZER_CAN_USE_ALLOCATOR64): Set to 1 on __aarch64__
if SANITIZER_WORDSIZE is 64.
(SANITIZER_MMAP_RANGE_SIZE): Define to 1ULL << 42 for
__aarch64__.
--- libsanitizer/sanitizer_common/sanitizer_platform.h.jj 2015-11-23 13:29:55.000000000 +0100
+++ libsanitizer/sanitizer_common/sanitizer_platform.h 2016-01-15 12:04:08.511206409 +0100
@@ -82,7 +82,7 @@
// VMA size definition for architecture that support multiple sizes.
// AArch64 has 3 VMA sizes: 39, 42 and 48.
#if !defined(SANITIZER_AARCH64_VMA)
-# define SANITIZER_AARCH64_VMA 39
+# define SANITIZER_AARCH64_VMA 42
#else
# if SANITIZER_AARCH64_VMA != 39 && SANITIZER_AARCH64_VMA != 42
# error "invalid SANITIZER_AARCH64_VMA size"
@@ -95,7 +95,7 @@
// For such platforms build this code with -DSANITIZER_CAN_USE_ALLOCATOR64=0 or
// change the definition of SANITIZER_CAN_USE_ALLOCATOR64 here.
#ifndef SANITIZER_CAN_USE_ALLOCATOR64
-# if defined(__mips64) || defined(__aarch64__)
+# if defined(__mips64)
# define SANITIZER_CAN_USE_ALLOCATOR64 0
# else
# define SANITIZER_CAN_USE_ALLOCATOR64 (SANITIZER_WORDSIZE == 64)
@@ -107,6 +107,8 @@
// will still work but will consume more memory for TwoLevelByteMap.
#if defined(__mips__)
# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 40)
+#elif defined(__aarch64__)
+# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 42)
#else
# define SANITIZER_MMAP_RANGE_SIZE FIRST_32_SECOND_64(1ULL << 32, 1ULL << 47)
#endif