code wiki / _hdl_build / nx_fnclosure_probe.nx

nx_fnclosure_probe.nx source

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1// nx_fnclosure_probe.nx -- seq1337 isolation, probe 3 (DECISIVE). 2// Probes 1+2 proved `fn` and `en` compile fine in a BARE file, disproving my filed root-cause. 3// Remaining hypothesis: the identifiers collide with something in THAT GATE'S import closure. 4// This reproduces the exact conditions: same two imports, same identifiers, same pc_frame call. 5// BUILDS => identifiers are innocent and the hang was environmental (stale/torn source page, seq124). 6// HANGS => the collision is real and closure-dependent. 7// license_tier: ORIGINAL expect_exit: 0 No hw writes (Rule 26). 8import "nx_procchurn_lib.nx" 9import "nx_gate_verdict.nx" 10 11const FCP_BUF: i64 = 2048 12 13func main() -> i64 { 14 let fb: *u8 = sys_mmap(FCP_BUF) 15 let eb: *u8 = sys_mmap(FCP_BUF) 16 let fn: i64 = pc_frame(fb, 1785433000, 3000, 18, 81480, 47557, 2361, 98, 231, 351, 2) 17 let en: i64 = 134 18 var same: i64 = 0 19 if fn == en { 20 var q: i64 = 0 21 var eq: i64 = 1 22 while q < fn { if fb[q] != eb[q] { eq = 0 } q = q + 1 } 23 same = eq 24 } 25 gv_puts("FNCLOSURE-PROBE compiled; frame_len=" as *u8) 26 gv_num(fn) 27 gv_puts("\n" as *u8) 28 return 0 29}