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https://github.com/FEX-Emu/FEX.git
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44 lines
616 B
NASM
44 lines
616 B
NASM
%ifdef CONFIG
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{
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"Match": "All",
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"RegData": {
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"RAX": "0x20"
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}
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}
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%endif
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mov rcx, 2
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mov rbx, 1
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jmp main
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patched_op:
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db 0x48, 0xc7, 0xc0, 0xff, 0xff, 0xff, 0xff
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dec rcx
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jmp main
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main:
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; warm up the cache
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cmp rcx, 0
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jg patched_op
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; should the text exit?
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cmp rbx, 0
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je end
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; patch mov rax, -1 to nops
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mov byte [rel patched_op + 0], 0x90
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mov byte [rel patched_op + 1], 0x90
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mov byte [rel patched_op + 2], 0x90
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mov byte [rel patched_op + 3], 0x90
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mov byte [rel patched_op + 4], 0x90
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mov byte [rel patched_op + 5], 0x90
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mov byte [rel patched_op + 6], 0x90
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mov rax, 32
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mov rcx, 2
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mov rbx, 0
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jmp main
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end:
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hlt |