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-rw-r--r--liblll/CompilerState.cpp16
1 files changed, 11 insertions, 5 deletions
diff --git a/liblll/CompilerState.cpp b/liblll/CompilerState.cpp
index 88e43e18..5d38bb8c 100644
--- a/liblll/CompilerState.cpp
+++ b/liblll/CompilerState.cpp
@@ -45,26 +45,29 @@ CodeFragment const& CompilerState::getDef(std::string const& _s)
void CompilerState::populateStandard()
{
static const string s = "{"
+ "(def 'panic () (asm INVALID))"
"(def 'allgas (- (gas) 21))"
"(def 'send (to value) (call allgas to value 0 0 0 0))"
"(def 'send (gaslimit to value) (call gaslimit to value 0 0 0 0))"
- "(def 'msg (gaslimit to value data datasize outsize) { (set x outsize) (set y (alloc @32)) (call gaslimit to value data datasize @0 @32) @0 })"
+ // NOTE: in this macro, memory location 0 is set in order to force msize to be at least 32 bytes.
+ "(def 'msg (gaslimit to value data datasize outsize) { [0]:0 [0]:(msize) (call gaslimit to value data datasize @0 outsize) @0 })"
"(def 'msg (gaslimit to value data datasize) { (call gaslimit to value data datasize 0 32) @0 })"
"(def 'msg (gaslimit to value data) { [0]:data (msg gaslimit to value 0 32) })"
"(def 'msg (to value data) { [0]:data (msg allgas to value 0 32) })"
"(def 'msg (to data) { [0]:data (msg allgas to 0 0 32) })"
- "(def 'create (value code) { [0]:(msize) (create value @0 (lll code @0)) })"
- "(def 'create (code) { [0]:(msize) (create 0 @0 (lll code @0)) })"
+ // NOTE: in the create macros, memory location 0 is set in order to force msize to be at least 32 bytes.
+ "(def 'create (value code) { [0]:0 [0]:(msize) (create value @0 (lll code @0)) })"
+ "(def 'create (code) { [0]:0 [0]:(msize) (create 0 @0 (lll code @0)) })"
+ "(def 'sha3 (loc len) (keccak256 loc len))"
"(def 'sha3 (val) { [0]:val (sha3 0 32) })"
"(def 'sha3pair (a b) { [0]:a [32]:b (sha3 0 64) })"
"(def 'sha3trip (a b c) { [0]:a [32]:b [64]:c (sha3 0 96) })"
- "(def 'keccak256 (loc len) (sha3 loc len))"
"(def 'return (val) { [0]:val (return 0 32) })"
"(def 'returnlll (code) (return 0 (lll code 0)) )"
"(def 'makeperm (name pos) { (def name (sload pos)) (def name (v) (sstore pos v)) } )"
"(def 'permcount 0)"
"(def 'perm (name) { (makeperm name permcount) (def 'permcount (+ permcount 1)) } )"
- "(def 'ecrecover (r s v hash) { [0] r [32] s [64] v [96] hash (msg allgas 1 0 0 128) })"
+ "(def 'ecrecover (hash v r s) { [0] hash [32] v [64] r [96] s (msg allgas 1 0 0 128) })"
"(def 'sha256 (data datasize) (msg allgas 2 0 data datasize))"
"(def 'ripemd160 (data datasize) (msg allgas 3 0 data datasize))"
"(def 'sha256 (val) { [0]:val (sha256 0 32) })"
@@ -73,6 +76,9 @@ void CompilerState::populateStandard()
"(def 'szabo 1000000000000)"
"(def 'finney 1000000000000000)"
"(def 'ether 1000000000000000000)"
+ // these could be replaced by native instructions once supported by EVM
+ "(def 'shl (val shift) (mul val (exp 2 shift)))"
+ "(def 'shr (val shift) (div val (exp 2 shift)))"
"}";
CodeFragment::compile(s, *this);
}