diff options
Diffstat (limited to 'as/opcodes.go')
| -rw-r--r-- | as/opcodes.go | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/as/opcodes.go b/as/opcodes.go index 94c2e2b..be04d19 100644 --- a/as/opcodes.go +++ b/as/opcodes.go @@ -49,9 +49,10 @@ const ( PUSH30 = 0x7d PUSH31 = 0x7e PUSH32 = 0x7f + RETURN = 0xf3 ) -var OpcodeStrings = map[string]byte { +var OpcodeStrings = map[string]Opcode { "STOP": STOP, "ADD": ADD, "MUL": MUL, @@ -66,6 +67,7 @@ var OpcodeStrings = map[string]byte { "MLOAD": MLOAD, "MSTORE": MSTORE, "MSTORE8": MSTORE8, + "PUSH": PUSH1, "PUSH1": PUSH1, "PUSH2": PUSH2, "PUSH3": PUSH3, @@ -98,4 +100,14 @@ var OpcodeStrings = map[string]byte { "PUSH30": PUSH30, "PUSH31": PUSH31, "PUSH32": PUSH32, + "RETURN": RETURN, +} + +// returns 0 if not push, otherwise returns number of bytes +func (o *Opcode) IsPush() byte { + d := *o - PUSH1 + if d >= 0 && d < 31 { + return byte(d) + 1 + } + return 0 } |