cerc-io/solidity
11
0 Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

BREAKING: Implement delegatecall and make default for library calls.

Browse Source
This commit is contained in:
chriseth committed 2016-03-11 17:49:32 +01:00
1 parent 60a21c6487
commit e5514becb8
10 files changed
+122 -45
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

libsolidity/codegen/Compiler.cpp
+4 -6
View File
@@ -773,15 +773,13 @@ eth::Assembly Compiler::cloneRuntime()
a << u256(0) << eth::Instruction::DUP1 << eth::Instruction::CALLDATACOPY;
//@todo adjust for larger return values, make this dynamic.
a << u256(0x20) << u256(0) << eth::Instruction::CALLDATASIZE;
// unfortunately, we have to send the value again, so that CALLVALUE returns the correct value
// in the callcoded contract.
a << u256(0) << eth::Instruction::CALLVALUE;
a << u256(0);
// this is the address which has to be substituted by the linker.
//@todo implement as special "marker" AssemblyItem.
a << u256("0xcafecafecafecafecafecafecafecafecafecafe");
a << u256(schedule.callGas + schedule.callValueTransferGas + 10) << eth::Instruction::GAS << eth::Instruction::SUB;
a << eth::Instruction::CALLCODE;
//Propagate error condition (if CALLCODE pushes 0 on stack).
a << u256(schedule.callGas + 10) << eth::Instruction::GAS << eth::Instruction::SUB;
a << eth::Instruction::DELEGATECALL;
//Propagate error condition (if DELEGATECALL pushes 0 on stack).
a << eth::Instruction::ISZERO;
a.appendJumpI(a.errorTag());
//@todo adjust for larger return values, make this dynamic.