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riscv: update riscv_asan_shadow_offset

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gcc/
	PR target/110036
	* config/riscv/riscv.cc (riscv_asan_shadow_offset): Update to
	match libsanitizer.
This commit is contained in:
Andreas Schwab 2023-05-28 12:08:22 +02:00
parent 8f1e18c75e
commit acf4fac6c5
1 changed files with 3 additions and 4 deletions
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7
gcc/config/riscv/riscv.cc
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@ -6857,10 +6857,9 @@ 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. */