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#include "stdafx.h"
#ifdef X86
int callFn(const void *fnPtr, int p) {
Nat oldEsi = 0xDEADBEEF, oldEdi = 0xFEBA1298, oldEbx = 0x81732A98, oldEbp;
Nat newEsi, newEdi, newEbx, newEbp;
int rv;
__asm {
mov edi, oldEdi;
mov esi, oldEsi;
mov ebx, oldEbx;
mov oldEbp, ebp;
push p;
call fnPtr;
add esp, 4;
mov rv, eax;
mov newEbp, ebp;
mov newEbx, ebx;
mov newEsi, esi;
mov newEdi, edi;
}
assert(oldEbp == newEbp);
assert(oldEbx == newEbx);
assert(oldEsi == newEsi);
assert(oldEdi == newEdi);
return rv;
}
int64 callFn(const void *fnPtr, int64 p) {
Nat oldEsi = 0xDEADBEEF, oldEdi = 0xFEBA1298, oldEbx = 0x81732A98, oldEbp;
Nat newEsi, newEdi, newEbx, newEbp;
int ph = p >> 32;
int pl = p & 0xFFFFFFFF;
nat rvh;
nat rvl;
__asm {
mov edi, oldEdi;
mov esi, oldEsi;
mov ebx, oldEbx;
mov oldEbp, ebp;
push ph;
push pl;
call fnPtr;
add esp, 8;
mov rvl, eax;
mov rvh, edx;
mov newEbp, ebp;
mov newEbx, ebx;
mov newEsi, esi;
mov newEdi, edi;
}
assert(oldEbp == newEbp);
assert(oldEbx == newEbx);
assert(oldEsi == newEsi);
assert(oldEdi == newEdi);
nat64 r = (nat64(rvh) << 32) | nat64(rvl);
return r;
}
#elif (defined(X64) || defined(ARM64))
#include "CheckCall64.h"
int callFn(const void *fnPtr, int p) {
Reg64 before = defaultReg64();
Reg64 after = defaultReg64();
int result = (int)checkCall(fnPtr, p, &after);
if (!(before == after))
throw AssertionException(WIDEN(__FILE__), __LINE__, L"before == after", ::toS(before) + L" <=> " + ::toS(after));
return result;
}
int64 callFn(const void *fnPtr, int64 p) {
Reg64 before = defaultReg64();
Reg64 after = defaultReg64();
size_t result = checkCall(fnPtr, p, &after);
if (!(before == after))
throw AssertionException(WIDEN(__FILE__), __LINE__, L"before == after", ::toS(before) + L" <=> " + ::toS(after));
return result;
}
#endif
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