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Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/instruction/947')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/instruction/947 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/instruction/947 b/results/classifier/qwen3:32b/reasoning/instruction/947 new file mode 100644 index 000000000..45ca1132c --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/instruction/947 @@ -0,0 +1,9 @@ +<think> +Okay, let's see. The user is reporting a segmentation fault in QEMU's TCG when a helper function is called. The problem seems to be with the generated code not loading the upper 32 bits of the address for lookup_tb_ptr. The address being accessed is 0x1cffe060, but the correct one should be 0x7ff71cffe064. The issue is pointing to a specific line in tcg/aarch64/tcg-target.c.inc where there's a bitmask operation using 0xffffUL instead of 0xffffULL. The suggested fix is changing UL to ULL. + +So, the problem here is related to how the address is being handled. The bitmask is using a 32-bit unsigned long (UL) instead of a 64-bit unsigned long long (ULL). On AArch64, which is a 64-bit architecture, using a 32-bit mask would cause the upper bits to not be properly masked out, leading to an incorrect address calculation. This would result in the generated code trying to jump to an incorrect address, hence the segmentation fault when the helper function is called. + +The error is in the instruction generation phase, where the code is generating the wrong immediate value due to the incorrect bitmask. This leads to an invalid memory address being used when branching to the helper function. Since the issue is with the generated machine instructions not correctly representing the intended address, this falls under an "instruction" category. It's not a syscall or a runtime error, but specifically a mistake in the instruction encoding or address handling during code generation. +</think> + +instruction \ No newline at end of file |