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yul fuzzer: Permit upto 7 I/O function parameters (previously 4).

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This commit is contained in:
Bhargava Shastry
2021-04-06 13:04:17 +02:00
parent 939a347afe
commit e35ddbc41c
3 changed files with 24 additions and 6 deletions
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test/tools/ossfuzz/protoToYul.cpp
+12
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@@ -869,6 +869,18 @@ void ProtoConverter::visitFunctionInputParams(FunctionCall const& _x, unsigned _
// We reverse the order of function input visits since it helps keep this switch case concise. // We reverse the order of function input visits since it helps keep this switch case concise.
switch (_numInputParams) switch (_numInputParams)
{ {
case 7:
visit(_x.in_param7());
m_output << ", ";
[[fallthrough]];
case 6:
visit(_x.in_param6());
m_output << ", ";
[[fallthrough]];
case 5:
visit(_x.in_param5());
m_output << ", ";
[[fallthrough]];
case 4: case 4:
visit(_x.in_param4()); visit(_x.in_param4());
m_output << ", "; m_output << ", ";
test/tools/ossfuzz/protoToYul.h
+2 -2
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@@ -340,8 +340,8 @@ private:
/// Map of object name to list of sub-object namespace(s) in scope /// Map of object name to list of sub-object namespace(s) in scope
std::map<std::string, std::vector<std::string>> m_objectScope; std::map<std::string, std::vector<std::string>> m_objectScope;
// mod input/output parameters impose an upper bound on the number of input/output parameters a function may have. // mod input/output parameters impose an upper bound on the number of input/output parameters a function may have.
static unsigned constexpr s_modInputParams = 5; static unsigned constexpr s_modInputParams = 8;
static unsigned constexpr s_modOutputParams = 5; static unsigned constexpr s_modOutputParams = 8;
/// Hard-coded identifier for a Yul object's data block /// Hard-coded identifier for a Yul object's data block
static auto constexpr s_dataIdentifier = "datablock"; static auto constexpr s_dataIdentifier = "datablock";
/// Predicate to keep track of for body scope. If false, break/continue /// Predicate to keep track of for body scope. If false, break/continue
test/tools/ossfuzz/yulProto.proto
+10 -4
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@@ -62,10 +62,16 @@ message FunctionCall {
required Expression in_param2 = 2; required Expression in_param2 = 2;
required Expression in_param3 = 3; required Expression in_param3 = 3;
required Expression in_param4 = 4; required Expression in_param4 = 4;
required VarRef out_param1 = 5; required Expression in_param5 = 5;
required VarRef out_param2 = 6; required Expression in_param6 = 6;
required VarRef out_param3 = 7; required Expression in_param7 = 7;
required VarRef out_param4 = 8; required VarRef out_param1 = 8;
required VarRef out_param2 = 9;
required VarRef out_param3 = 10;
required VarRef out_param4 = 11;
required Expression out_param5 = 12;
required Expression out_param6 = 13;
required Expression out_param7 = 14;
} }
message TypedVarDecl { message TypedVarDecl {