gcc/gcc5-libsanitize-aarch64-va42.patch
Jakub Jelinek 7f99993652 5.0.0-0.5
2015-01-24 10:03:24 +01:00

48 lines
2.0 KiB
Diff

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