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- (module
- ;; Memory definition: 4 GB = 65536
- ;; 8 GB = 131072
- ;; 16 GB = 262144
- ;; 20 GB = 327680
- ;; 32 GB = 524288
- (memory (;0;) i64 131072 131072)
- ;; if touch too many pages more than physical memory can provide,
- ;; the signal will kill the process
- (func (export "touch_every_page") (result i64 i64 i32 i32)
- (local $i i64)
- i64.const 0x0000000000000ff8
- local.set $i
- loop $loop
- ;; a[i] = i
- local.get $i
- local.get $i
- i64.store
- local.get $i
- i64.const 4096
- i64.add
- local.set $i
- local.get $i
- ;; max boundary(exclusive) 8GB - 8 = 0x0000000200000000 - 8
- i64.const 0x0000000200000000
- i64.const 8
- i64.sub
- i64.lt_u
- br_if $loop
- end
- i64.const 0x000000000000fff8
- i64.load
- i64.const 0x000000010000fff8
- i64.load
- ;; lower 8 bytes of 0x000000010001fff8 -> 0x0001fff8
- i64.const 0x000000010001fff8
- i32.load
- ;; higher 8 bytes of 0x000000010001fff8 -> 0x1
- i64.const 0x000000010001fffc
- i32.load
- return
- )
- ;; Function to test i64.atomic.store with i64 address
- (func (export "i64_store_offset_4GB") (param $addr i64) (param $value i64)
- (i64.store offset=0x100000000 (local.get $addr) (local.get $value))
- )
- (func (export "i64_load_offset_4GB") (param $addr i64) (result i64)
- (i64.load offset=0x100000000 (local.get $addr))
- )
- )
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