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#include "stdafx.h"
#include "Code/Binary.h"
#include "Code/Listing.h"
#include "Code/OffsetSource.h"
#include "Code/OffsetReference.h"
using namespace code;
BEGIN_TEST(OffsetRefTest, Code) {
Engine &e = gEngine();
Arena *arena = code::arena(e);
Int data[10] = { 0 };
StrOffsetSource *ref0 = new (e) StrOffsetSource(S("ref0"));
StrOffsetSource *ref1 = new (e) StrOffsetSource(S("ref1"));
StrOffsetSource *ref2 = new (e) StrOffsetSource(S("ref2"));
ref0->set(Offset::sInt);
ref1->set(Offset::sByte);
ref2->set(Offset::sInt * 5);
Listing *l = new (e) Listing();
Var param = l->createParam(ptrDesc(e));
*l << prolog();
*l << mov(ptrA, param);
*l << mov(intRel(ptrA, ref2), intConst(10));
*l << mov(eax, intConst(ref0));
*l << add(eax, intConst(ref1));
l->result = intDesc(e);
*l << fnRet(eax);
Binary *b = new (e) Binary(arena, l);
typedef Int (*Fn)(Int *);
Fn fn = (Fn)b->address();
Int r = (*fn)(data);
CHECK_EQ(r, 5);
CHECK_EQ(data[5], 10);
ref0->set(Offset::sLong);
ref1->set(Offset::sInt);
ref2->set(Offset::sInt * 2);
{
// Invalidate caches since we modify machine code.
// Note: When running on Apple ARM, failure to invalidate caches
// actually causes the tests below to fail sporadically.
void *start = (void *)b->address();
void *end = runtime::codeRefs(start);
invalidateDCache(start, end);
invalidateICache(start, end);
}
r = (*fn)(data);
CHECK_EQ(r, 12);
CHECK_EQ(data[2], 10);
} END_TEST
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