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Fixed several instruction handling issues: 1) Added proper handling for zero displacements in memory operands, 2) Fixed large unsigned displacement values display, 3) Added CmpEaxImmHandler for CMP EAX, imm32 instruction, 4) Fixed JP and JNP conditional jump instruction types

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bird_egop
2025-04-16 19:43:03 +03:00
parent 193f9cd2d8
commit db96af74ff
13 changed files with 271 additions and 47 deletions
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16
X86DisassemblerTests/TestData/call_tests.csv
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@ -41,19 +41,19 @@ FF14D9;[{ "Type": "Call", "Operands": ["dword ptr [ecx+ebx*8]"] }]
# FF149D;[{ "Type": "Call", "Operands": ["dword ptr [ebp+ebx*4]"] }]
# CALL m32 (opcode FF /2) with displacement
FF5000;[{ "Type": "Call", "Operands": ["dword ptr [eax+0x0]"] }]
FF5000;[{ "Type": "Call", "Operands": ["dword ptr [eax+0x00]"] }]
FF5010;[{ "Type": "Call", "Operands": ["dword ptr [eax+0x10]"] }]
FF90FFFFFF7F;[{ "Type": "Call", "Operands": ["dword ptr [eax+0x7FFFFFFF]"] }]
FF9000000080;[{ "Type": "Call", "Operands": ["dword ptr [eax+0x80000000]"] }]
# CALL m32 (opcode FF /2) with SIB and displacement
FF5400FF;[{ "Type": "Call", "Operands": ["dword ptr [eax+eax*1-0x1]"] }]
FF54C0FF;[{ "Type": "Call", "Operands": ["dword ptr [eax+eax*8-0x1]"] }]
FF5444FF;[{ "Type": "Call", "Operands": ["dword ptr [esp+eax*2-0x1]"] }]
FF5485FF;[{ "Type": "Call", "Operands": ["dword ptr [ebp+eax*4-0x1]"] }]
FF5498FF;[{ "Type": "Call", "Operands": ["dword ptr [eax+ebx*4-0x1]"] }]
FF54D9FF;[{ "Type": "Call", "Operands": ["dword ptr [ecx+ebx*8-0x1]"] }]
FF549DFF;[{ "Type": "Call", "Operands": ["dword ptr [ebp+ebx*4-0x1]"] }]
FF5400FF;[{ "Type": "Call", "Operands": ["dword ptr [eax+eax*1-0x01]"] }]
FF54C0FF;[{ "Type": "Call", "Operands": ["dword ptr [eax+eax*8-0x01]"] }]
FF5444FF;[{ "Type": "Call", "Operands": ["dword ptr [esp+eax*2-0x01]"] }]
FF5485FF;[{ "Type": "Call", "Operands": ["dword ptr [ebp+eax*4-0x01]"] }]
FF5498FF;[{ "Type": "Call", "Operands": ["dword ptr [eax+ebx*4-0x01]"] }]
FF54D9FF;[{ "Type": "Call", "Operands": ["dword ptr [ecx+ebx*8-0x01]"] }]
FF549DFF;[{ "Type": "Call", "Operands": ["dword ptr [ebp+ebx*4-0x01]"] }]
# CALL m16:32 (opcode FF /3) - Far call with memory operand
FF1C;[{ "Type": "Call", "Operands": ["fword ptr [esp]"] }]

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