# XOR instruction tests # Format: RawBytes;Instructions RawBytes;Instructions # Register-to-register XOR (32-bit) 31D8;[{ "Type": "Xor", "Operands": ["eax", "ebx"] }] # Register-to-memory XOR (32-bit) 314B10;[{ "Type": "Xor", "Operands": ["dword ptr [ebx+0x10]", "ecx"] }] # Memory-to-register XOR (32-bit) 33D8;[{ "Type": "Xor", "Operands": ["ebx", "eax"] }] 334B10;[{ "Type": "Xor", "Operands": ["ecx", "dword ptr [ebx+0x10]"] }] # Immediate-to-register XOR (32-bit immediate) 81F078563412;[{ "Type": "Xor", "Operands": ["eax", "0x12345678"] }] # Immediate-to-memory XOR (32-bit immediate) 81701078563412;[{ "Type": "Xor", "Operands": ["dword ptr [eax+0x10]", "0x12345678"] }] # Small immediate XOR (8-bit immediate to 32-bit register with sign extension) 83F042;[{ "Type": "Xor", "Operands": ["eax", "0x42"] }] # Sign-extended immediate XOR (8-bit immediate sign-extended to 32-bit) 83F0F0;[{ "Type": "Xor", "Operands": ["eax", "0xFFFFFFF0"] }] # XOR AL, imm8 (opcode 0x34) 3442;[{ "Type": "Xor", "Operands": ["al", "0x42"] }] # XOR EAX, imm32 (opcode 0x35) 3578563412;[{ "Type": "Xor", "Operands": ["eax", "0x12345678"] }] # XOR with SIB byte addressing (Scale-Index-Base) # XOR [eax+ecx*4], edx (opcode 0x31) 311488;[{ "Type": "Xor", "Operands": ["dword ptr [eax+ecx*4]", "edx"] }] # XOR edx, [eax+ecx*4] (opcode 0x33) 331488;[{ "Type": "Xor", "Operands": ["edx", "dword ptr [eax+ecx*4]"] }] # XOR with displacement-only addressing # XOR [0x12345678], eax (opcode 0x31) 310578563412;[{ "Type": "Xor", "Operands": ["dword ptr [0x12345678]", "eax"] }] # XOR with segment override prefixes # XOR fs:[ebx+0x10], ecx (opcode 0x31 with FS override) 64314B10;[{ "Type": "Xor", "Operands": ["dword ptr fs:[ebx+0x10]", "ecx"] }] # XOR ecx, gs:[ebx+0x10] (opcode 0x33 with GS override) 65334B10;[{ "Type": "Xor", "Operands": ["ecx", "dword ptr gs:[ebx+0x10]"] }] # XOR with complex addressing mode: base + index + scale + displacement # XOR [eax+ecx*4+0x12345678], edx (opcode 0x31) 31948878563412;[{ "Type": "Xor", "Operands": ["dword ptr [eax+ecx*4+0x12345678]", "edx"] }] # Edge cases for immediate values # XOR eax, 0x0 (opcode 0x83 /6 with zero immediate) 83F000;[{ "Type": "Xor", "Operands": ["eax", "0x00"] }] # XOR al, 0xFF (opcode 0x34 with max 8-bit immediate) 34FF;[{ "Type": "Xor", "Operands": ["al", "0xFF"] }] # XOR eax, 0xFFFFFFFF (opcode 0x81 /6 with max 32-bit immediate) 81F0FFFFFFFF;[{ "Type": "Xor", "Operands": ["eax", "0xFFFFFFFF"] }] # XOR with negative immediate value (sign-extended) 83F0FF;[{ "Type": "Xor", "Operands": ["eax", "0xFFFFFFFF"] }] # 16-bit XOR tests (with 0x66 prefix) # XOR AX, imm16 (opcode 0x35 with 0x66 prefix) 6635ABCD;[{ "Type": "Xor", "Operands": ["ax", "0xCDAB"] }] # XOR r16, r/m16 (opcode 0x33 with 0x66 prefix) 6633D8;[{ "Type": "Xor", "Operands": ["bx", "ax"] }] 6633C9;[{ "Type": "Xor", "Operands": ["cx", "cx"] }] # XOR r/m16, r16 (opcode 0x31 with 0x66 prefix) 6631D8;[{ "Type": "Xor", "Operands": ["ax", "bx"] }] 6631C9;[{ "Type": "Xor", "Operands": ["cx", "cx"] }] # XOR r/m16, imm16 (opcode 0x81 /6 with 0x66 prefix) 6681F0ABCD;[{ "Type": "Xor", "Operands": ["ax", "0xCDAB"] }] # XOR r/m16, imm8 (sign-extended) (opcode 0x83 /6 with 0x66 prefix) 6683F042;[{ "Type": "Xor", "Operands": ["ax", "0x42"] }] 6683F0FF;[{ "Type": "Xor", "Operands": ["ax", "0xFFFF"] }] # 8-bit XOR tests # XOR r/m8, r8 (opcode 0x30) 30D8;[{ "Type": "Xor", "Operands": ["al", "bl"] }] 30C9;[{ "Type": "Xor", "Operands": ["cl", "cl"] }] # XOR r8, r/m8 (opcode 0x32) 32D8;[{ "Type": "Xor", "Operands": ["bl", "al"] }] 32C9;[{ "Type": "Xor", "Operands": ["cl", "cl"] }] # XOR r/m8, imm8 (opcode 0x80 /6) 80F042;[{ "Type": "Xor", "Operands": ["al", "0x42"] }] 80F0FF;[{ "Type": "Xor", "Operands": ["al", "0xFF"] }] # Self-XOR tests (zeroing registers) 31C0;[{ "Type": "Xor", "Operands": ["eax", "eax"] }] 31DB;[{ "Type": "Xor", "Operands": ["ebx", "ebx"] }] 31C9;[{ "Type": "Xor", "Operands": ["ecx", "ecx"] }] 31D2;[{ "Type": "Xor", "Operands": ["edx", "edx"] }] # XOR with different addressing modes # XOR [ebp+0x8], eax (opcode 0x31) 314508;[{ "Type": "Xor", "Operands": ["dword ptr [ebp+0x08]", "eax"] }] # XOR eax, [ebp+0x8] (opcode 0x33) 334508;[{ "Type": "Xor", "Operands": ["eax", "dword ptr [ebp+0x08]"] }] # XOR with other segment overrides # XOR ss:[ebx+0x10], ecx (opcode 0x31 with SS override) 36314B10;[{ "Type": "Xor", "Operands": ["dword ptr ss:[ebx+0x10]", "ecx"] }] # XOR ecx, ds:[ebx+0x10] (opcode 0x33 with DS override) 3E334B10;[{ "Type": "Xor", "Operands": ["ecx", "dword ptr ds:[ebx+0x10]"] }] # XOR ecx, es:[ebx+0x10] (opcode 0x33 with ES override) 26334B10;[{ "Type": "Xor", "Operands": ["ecx", "dword ptr es:[ebx+0x10]"] }] # XOR ecx, cs:[ebx+0x10] (opcode 0x33 with CS override) 2E334B10;[{ "Type": "Xor", "Operands": ["ecx", "dword ptr cs:[ebx+0x10]"] }]