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docs: add a section about calldata layout

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Part of #1390
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Yoichi Hirai 2016-11-21 15:47:04 +01:00
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docs/miscellaneous.rst
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@ -74,6 +74,17 @@ Solidity always places new objects at the free memory pointer and memory is neve
.. index: memory layout
*******************
Layout of Call Data
*******************
When a Solidity contract is deployed and when it is called from an
account, the input data is assumed to be in the format in `the ABI
specification
<https://github.com/ethereum/wiki/wiki/Ethereum-Contract-ABI>`_. The
ABI specification requires arguments to be padded to multiples of 32
bytes. The internal function calls use a different convention.
*****************
Esoteric Features
*****************