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Code Issues Releases Activity

Added JmpRm32Handler for JMP r/m32 instructions (opcode FF /4)

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bird_egop
2025-04-16 19:50:00 +03:00
parent bc6d32a725
commit 154e811d2d
3 changed files with 89 additions and 7 deletions
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9
X86DisassemblerTests/TestData/jmp_tests.csv
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@ -41,10 +41,11 @@ FF6610;[{ "Type": "Jmp", "Operands": ["dword ptr [esi+0x10]"] }]
FF6710;[{ "Type": "Jmp", "Operands": ["dword ptr [edi+0x10]"] }]
# JMP m32 (opcode FF /4) with SIB byte
FF24C5;[{ "Type": "Jmp", "Operands": ["dword ptr [eax*8+ebp]"] }]
FF24CD;[{ "Type": "Jmp", "Operands": ["dword ptr [ecx*8+ebp]"] }]
FF24D5;[{ "Type": "Jmp", "Operands": ["dword ptr [edx*8+ebp]"] }]
FF24DD;[{ "Type": "Jmp", "Operands": ["dword ptr [ebx*8+ebp]"] }]
# not recognized by ghidra or online disasms
# FF24C5;[{ "Type": "Jmp", "Operands": ["dword ptr [eax*8+ebp]"] }]
# FF24CD;[{ "Type": "Jmp", "Operands": ["dword ptr [ecx*8+ebp]"] }]
# FF24D5;[{ "Type": "Jmp", "Operands": ["dword ptr [edx*8+ebp]"] }]
# FF24DD;[{ "Type": "Jmp", "Operands": ["dword ptr [ebx*8+ebp]"] }]
# JMP m32 (opcode FF /4) with direct memory operand
FF2578563412;[{ "Type": "Jmp", "Operands": ["dword ptr [0x12345678]"] }]

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