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ethminer
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For for copying high addresses from CALLDATA/CODE/EXTCODE

cl-refactor
Gav Wood 10 years ago
parent
07e446d8da
commit
b45701e427
1 changed files with 5 additions and 5 deletions
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  1. 10
      libevm/VM.h

10
libevm/VM.h
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@ -506,7 +506,7 @@ template <class Ext> dev::bytesConstRef dev::eth::VM::go(Ext& _ext, OnOpFunc con
{
unsigned mf = (unsigned)m_stack.back();
m_stack.pop_back();
unsigned cf = (unsigned)m_stack.back();
u256 cf = (unsigned)m_stack.back();
m_stack.pop_back();
unsigned l = (unsigned)m_stack.back();
m_stack.pop_back();
@ -522,11 +522,11 @@ template <class Ext> dev::bytesConstRef dev::eth::VM::go(Ext& _ext, OnOpFunc con
{
unsigned mf = (unsigned)m_stack.back();
m_stack.pop_back();
unsigned cf = (unsigned)m_stack.back();
u256 cf = (u256)m_stack.back();
m_stack.pop_back();
unsigned l = (unsigned)m_stack.back();
m_stack.pop_back();
unsigned el = cf + l > _ext.code.size() ? _ext.code.size() < cf ? 0 : _ext.code.size() - cf : l;
unsigned el = cf + l > (u256)_ext.code.size() ? (u256)_ext.code.size() < cf ? 0 : _ext.code.size() - (unsigned)cf : l;
memcpy(m_temp.data() + mf, _ext.code.data() + cf, el);
memset(m_temp.data() + mf + el, 0, l - el);
break;
@ -540,11 +540,11 @@ template <class Ext> dev::bytesConstRef dev::eth::VM::go(Ext& _ext, OnOpFunc con
m_stack.pop_back();
unsigned mf = (unsigned)m_stack.back();
m_stack.pop_back();
unsigned cf = (unsigned)m_stack.back();
u256 cf = m_stack.back();
m_stack.pop_back();
unsigned l = (unsigned)m_stack.back();
m_stack.pop_back();
unsigned el = cf + l > _ext.codeAt(a).size() ? _ext.codeAt(a).size() < cf ? 0 : _ext.codeAt(a).size() - cf : l;
unsigned el = cf + l > (u256)_ext.codeAt(a).size() ? (u256)_ext.codeAt(a).size() < cf ? 0 : _ext.codeAt(a).size() - (unsigned)cf : l;
memcpy(m_temp.data() + mf, _ext.codeAt(a).data() + cf, el);
memset(m_temp.data() + mf + el, 0, l - el);
break;

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