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Windows: Pass scratch CONTEXT record to RtlUnwindEx.

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Thanks to Peter Cawley. #593
This commit is contained in:
Mike Pall 2023-09-15 05:31:26 +02:00
parent 18b8fd8de7
commit 7a1c139569
1 changed files with 3 additions and 2 deletions
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5
src/lj_err.c
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@ -285,8 +285,8 @@ LJ_FUNCA int lj_err_unwind_win(EXCEPTION_RECORD *rec,
/* Don't catch access violations etc. */
return 1; /* ExceptionContinueSearch */
}
#if LJ_TARGET_X86
UNUSED(ctx);
#if LJ_TARGET_X86
UNUSED(dispatch);
/* Call all handlers for all lower C frames (including ourselves) again
** with EH_UNWINDING set. Then call the specified function, passing cf
@ -304,7 +304,8 @@ LJ_FUNCA int lj_err_unwind_win(EXCEPTION_RECORD *rec,
RtlUnwindEx(f, (void *)((cframe_unwind_ff(cf2) && errcode != LUA_YIELD) ?
lj_vm_unwind_ff_eh :
lj_vm_unwind_c_eh),
rec, (void *)(uintptr_t)errcode, ctx, dispatch->HistoryTable);
rec, (void *)(uintptr_t)errcode, dispatch->ContextRecord,
dispatch->HistoryTable);
/* RtlUnwindEx should never return. */
#endif
}