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relooper-fuzz1.c
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relooper-fuzz1.c
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#include <assert.h>
#include <stdio.h>
#include "binaryen-c.h"
// globals: address 4 is index
// decisions are at address 8+
int main() {
BinaryenModuleRef module = BinaryenModuleCreate();
// check()
// if the end, halt
BinaryenExpressionRef halter = BinaryenIf(module,
BinaryenBinary(module,
BinaryenEqInt32(),
BinaryenLoad(module, 4, 0, 0, 0, BinaryenTypeInt32(),
BinaryenConst(module, BinaryenLiteralInt32(4))),
BinaryenConst(module, BinaryenLiteralInt32(4 * 30)) // jumps of 4 bytes
),
BinaryenUnreachable(module),
NULL
);
// increment index
BinaryenExpressionRef incer = BinaryenStore(module,
4, 0, 0,
BinaryenConst(module, BinaryenLiteralInt32(4)),
BinaryenBinary(module,
BinaryenAddInt32(),
BinaryenLoad(module, 4, 0, 0, 0, BinaryenTypeInt32(),
BinaryenConst(module, BinaryenLiteralInt32(4))),
BinaryenConst(module, BinaryenLiteralInt32(4))
),
BinaryenTypeInt32()
);
// optionally, print the return value
BinaryenExpressionRef args[] = {
BinaryenBinary(module,
BinaryenSubInt32(),
BinaryenConst(module, BinaryenLiteralInt32(0)),
BinaryenLoad(module,
4, 0, 4, 0, BinaryenTypeInt32(),
BinaryenLoad(module, 4, 0, 0, 0, BinaryenTypeInt32(),
BinaryenConst(module, BinaryenLiteralInt32(4)))
)
)
};
BinaryenExpressionRef debugger;
if (1) debugger = BinaryenCall(module, "print", args, 1,
BinaryenTypeNone());
else debugger = BinaryenNop(module);
// return the decision. need to subtract 4 that we just added,
// and add 8 since that's where we start, so overall offset 4
BinaryenExpressionRef returner = BinaryenLoad(module,
4, 0, 4, 0, BinaryenTypeInt32(),
BinaryenLoad(module, 4, 0, 0, 0, BinaryenTypeInt32(),
BinaryenConst(module, BinaryenLiteralInt32(4)))
);
BinaryenExpressionRef checkBodyList[] = { halter, incer, debugger,
returner };
BinaryenExpressionRef checkBody = BinaryenBlock(module,
NULL, checkBodyList, sizeof(checkBodyList) / sizeof(BinaryenExpressionRef),
BinaryenTypeAuto()
);
BinaryenFunctionTypeRef i = BinaryenAddFunctionType(module, "i",
BinaryenTypeInt32(),
NULL, 0);
BinaryenAddFunction(module, "check", i, NULL, 0, checkBody);
// contents of main() begin here
RelooperRef relooper = RelooperCreate(module);
RelooperBlockRef b0;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(0))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b0 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b1;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(1))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b1 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b2;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(2))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b2 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b3;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(3))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b3 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b4;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(4))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b4 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b5;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(5))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b5 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b6;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(6))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b6 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b7;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(7))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b7 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b8;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(8))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b8 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperBlockRef b9;
{
BinaryenExpressionRef args[] = {
BinaryenConst(module, BinaryenLiteralInt32(9))
};
BinaryenExpressionRef list[] = {
BinaryenCall(module, "print", args, 1, BinaryenTypeNone()),
BinaryenSetLocal(module, 0, BinaryenCall(module, "check", NULL, 0,
BinaryenTypeInt32()))
};
b9 = RelooperAddBlock(relooper, BinaryenBlock(module, NULL, list, 2,
BinaryenTypeAuto()));
}
RelooperAddBranch(b0, b2, BinaryenBinary(module,
BinaryenEqInt32(),
BinaryenBinary(module,
BinaryenRemUInt32(),
BinaryenGetLocal(module, 0, BinaryenTypeInt32()),
BinaryenConst(module, BinaryenLiteralInt32(4))
),
BinaryenConst(module, BinaryenLiteralInt32(0))
), NULL);
RelooperAddBranch(b0, b7, BinaryenBinary(module,
BinaryenEqInt32(),
BinaryenBinary(module,
BinaryenRemUInt32(),
BinaryenGetLocal(module, 0, BinaryenTypeInt32()),
BinaryenConst(module, BinaryenLiteralInt32(4))
),
BinaryenConst(module, BinaryenLiteralInt32(2))
), NULL);
RelooperAddBranch(b0, b3, NULL, NULL);
RelooperAddBranch(b2, b3, BinaryenBinary(module,
BinaryenEqInt32(),
BinaryenBinary(module,
BinaryenRemUInt32(),
BinaryenGetLocal(module, 0, BinaryenTypeInt32()),
BinaryenConst(module, BinaryenLiteralInt32(2))
),
BinaryenConst(module, BinaryenLiteralInt32(0))
), NULL);
RelooperAddBranch(b2, b9, NULL, NULL);
RelooperAddBranch(b3, b3, NULL, NULL);
RelooperAddBranch(b7, b2, BinaryenBinary(module,
BinaryenEqInt32(),
BinaryenBinary(module,
BinaryenRemUInt32(),
BinaryenGetLocal(module, 0, BinaryenTypeInt32()),
BinaryenConst(module, BinaryenLiteralInt32(3))
),
BinaryenConst(module, BinaryenLiteralInt32(0))
), NULL);
RelooperAddBranch(b7, b9, NULL, NULL);
BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, b0, 1);
int decisions[] = { 67, 131, 49, 36, 112, 161, 62, 166, 16, 88, 176, 152, 161, 194, 117, 180, 60, 166, 55, 183, 150, 73, 196, 143, 76, 182, 97, 140, 126, 3 };
int numDecisions = sizeof(decisions)/sizeof(int);
// write out all the decisions, then the body of the function
BinaryenExpressionRef full[numDecisions + 1];
{
int i;
for (i = 0; i < numDecisions; i++) {
full[i] = BinaryenStore(module,
4, 0, 0,
BinaryenConst(module, BinaryenLiteralInt32(8 + 4 * i)),
BinaryenConst(module, BinaryenLiteralInt32(decisions[i])),
BinaryenTypeInt32()
);
}
}
full[numDecisions] = body;
BinaryenExpressionRef all = BinaryenBlock(module, NULL, full,
numDecisions + 1,
BinaryenTypeAuto());
BinaryenFunctionTypeRef v = BinaryenAddFunctionType(module, "v",
BinaryenTypeNone(),
NULL, 0);
// locals: state, free-for-label
BinaryenType localTypes[] = { BinaryenTypeInt32(), BinaryenTypeInt32() };
BinaryenFunctionRef theMain = BinaryenAddFunction(module, "main", v,
localTypes, 2, all);
BinaryenSetStart(module, theMain);
// import
BinaryenType iparams[] = { BinaryenTypeInt32() };
BinaryenFunctionTypeRef vi = BinaryenAddFunctionType(module, "vi",
BinaryenTypeNone(),
iparams, 1);
BinaryenAddFunctionImport(module, "print", "spectest", "print", vi);
// memory
BinaryenSetMemory(module, 1, 1, "mem", NULL, NULL, NULL, 0, 0);
assert(BinaryenModuleValidate(module));
BinaryenModulePrint(module);
BinaryenModuleOptimize(module);
assert(BinaryenModuleValidate(module));
BinaryenModulePrint(module);
BinaryenModuleDispose(module);
return 0;
}