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Merge pull request #2192 from winsvega/develop

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add STATICCALL instruction
This commit is contained in:
Alex Beregszaszi
2017-06-14 21:03:32 +01:00
committed by GitHub
parent f008ddf836 c20cdd0a05
commit 42b61171d9
8 changed files with 43 additions and 24 deletions
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docs/assembly.rst
+8 -1
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@@ -236,11 +236,15 @@ In the grammar, opcodes are represented as pre-defined identifiers.
+-------------------------+------+-----------------------------------------------------------------+
| returndatasize | | size of the last returndata |
+-------------------------+------+-----------------------------------------------------------------+
| returndatacopy(t, f, s) | `*` | copy s bytes from returndata at position f to mem at position t |
| returndatacopy(t, f, s) | `-` | copy s bytes from returndata at position f to mem at position t |
+-------------------------+------+-----------------------------------------------------------------+
| create(v, p, s) | | create new contract with code mem[p..(p+s)) and send v wei |
| | | and return the new address |
+-------------------------+------+-----------------------------------------------------------------+
| create2(v, n, p, s) | | create new contract with code mem[p..(p+s)) at address |
| | | keccak256(<address> . n . keccak256(mem[p..(p+s))) and send v |
| | | wei and return the new address |
+-------------------------+------+-----------------------------------------------------------------+
| call(g, a, v, in, | | call contract at address a with input mem[in..(in+insize)) |
| insize, out, outsize) | | providing g gas and v wei and output area |
| | | mem[out..(out+outsize)) returning 0 on error (eg. out of gas) |
@@ -252,6 +256,9 @@ In the grammar, opcodes are represented as pre-defined identifiers.
| delegatecall(g, a, in, | | identical to `callcode` but also keep ``caller`` |
| insize, out, outsize) | | and ``callvalue`` |
+-------------------------+------+-----------------------------------------------------------------+
| staticcall(g, a, in, | | identical to `call(g, a, 0, in, insize, out, outsize)` but do |
| insize, out, outsize) | | not allow state modifications |
+-------------------------+------+-----------------------------------------------------------------+
| return(p, s) | `-` | end execution, return data mem[p..(p+s)) |
+-------------------------+------+-----------------------------------------------------------------+
| revert(p, s) | `-` | end execution, revert state changes, return data mem[p..(p+s)) |