This fixes all asan tests, apart from
c-c++-common/asan/pointer-compare-1.c which needs a workaround for PR
sanitizer/82501.
PR target/110036
* config/riscv/riscv.cc (riscv_asan_shadow_offset): Update to
match libsanitizer.
---
gcc/config/riscv/riscv.cc | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index 09fc9e5d95e..b358ca8b5d0 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -7043,10 +7043,9 @@ riscv_asan_shadow_offset (void)
{
/* We only have libsanitizer support for RV64 at present.
- This number must match kRiscv*_ShadowOffset* in the file
- libsanitizer/asan/asan_mapping.h which is currently 1<<29 for rv64,
- even though 1<<36 makes more sense. */
- return TARGET_64BIT ? (HOST_WIDE_INT_1 << 29) : 0;
+ This number must match ASAN_SHADOW_OFFSET_CONST in the file
+ libsanitizer/asan/asan_mapping.h. */
+ return TARGET_64BIT ? HOST_WIDE_INT_UC (0xd55550000) : 0;
}
/* Implement TARGET_MANGLE_TYPE. */
--
2.40.1
--
Andreas Schwab, SUSE Labs, [email protected]
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
