From: grischka via Tinycc-devel <[email protected]>
Date: Thu, 30 Jul 2026 23:19:41 +0900
>
> Seems that a 32-bit-windows 'long' at
>
> static void arm64_sym(int r, Sym *sym, unsigned long addend)
>
> could truncate the addend even before the generator would see it.
>
> Try unsigned long long or uint64_t.
>
>
Agree. On Windows, unsigned long is always 32 bits, so the target's
64-bit addend was truncated before arm64_movimm() saw it.
I reproduced the failure with Windows ARM64 PE and ELF compilers.
I have pushed the fix to mob:
2be0218b arm64: fix symbol addends on LLP64 hosts
I used addr_t. uint64_t would also work for ARM64, but addr_t expresses
what this parameter represents. The commit also adds a regression test
based on the reduced testcase.
With the fix, the complete tests2 suite passes.
Regards,
Mounir IDRASSI
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