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|
test_run = require('test_run').new()
---
...
buffer = require('buffer')
---
...
ffi = require('ffi')
---
...
-- Registers.
reg1 = buffer.reg1
---
...
reg1.u16 = 100
---
...
u16 = ffi.new('uint16_t[1]')
---
...
ffi.copy(u16, reg1, 2)
---
...
u16[0]
---
- 100
...
u16[0] = 200
---
...
ffi.copy(reg1, u16, 2)
---
...
reg1.u16
---
- 200
...
-- Alignment.
_ = buffer.static_alloc('char') -- This makes buffer pos unaligned.
---
...
p = buffer.static_alloc('int')
---
...
ffi.cast('int', p) % ffi.alignof('int') == 0 -- But next alloc is aligned.
---
- true
...
-- Able to allocate bigger than static buffer - such allocations
-- are on the heap.
type(buffer.static_alloc('char', 13000))
---
- cdata
...
|
