72c862171e
* POC attempt to make cmplog work on x64 windows POC seems working unix POC seems working :) * no register collisions * rsp-related ref support iced optional dep iced depends on cmplog warnings one more warning comments cleanup ci unbreak rebase windows unbreak rebase unix unbreak unix only fmt check clang formatting clang formatting again make clippy happy formatting double import windows unbreak hashmap is conditional leftover definition tutorial related formatter review fixes comments .asm fuzz targets for cmplog on Windows more tests rip-relative reference support without index register form proper ignore rip-related references and ignore 8 bit comparisons another try_into packing * harness modification reverted * dummy commit to restart CI * review comments --------- Co-authored-by: sbarsky <sbarsky@denuvo.com> Co-authored-by: Dongjia "toka" Zhang <tokazerkje@outlook.com>
103 lines
1.4 KiB
NASM
103 lines
1.4 KiB
NASM
public dll_main
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public t1
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public t2
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public t3
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public t4
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public t5
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public t6
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public t7
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.code
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crash:
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mov rax, 0
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mov rax, [rax]
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ret
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; dummy test which does not produce crashes or coverage
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test_no_cov:
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ret
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; test 64 bits mem/reg
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t1:
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cmp rdx, 8
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jb @f
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mov rax, 01234567812345678h
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cmp qword ptr [rcx], rax ; demonstrate rax stack usage (see emit_comparison_handling function)
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je crash
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@@:
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ret
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; test 32 bits mem/reg
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t2:
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cmp rdx, 4
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jb @f
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mov r8d, 012345678h
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mov rax, 100h ; test indes/scale usage
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cmp dword ptr [rcx + rax*2 - 200h], r8d
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je crash
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@@:
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ret
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; test 16 bits mem/reg
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t3:
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cmp rdx, 2
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jb @f
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mov r8w, 01234h
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cmp word ptr [rcx], r8w
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je crash
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@@:
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ret
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; test 64 bit reg/reg
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t4:
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cmp rdx, 8
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jb @f
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mov rax, 01234567812345678h
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mov rcx, qword ptr [rcx]
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cmp rax, rcx
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je crash
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@@:
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ret
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; test 32 bit reg/imm
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t5:
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cmp rdx, 4
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jb @f
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mov rcx, qword ptr [rcx]
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cmp rcx, 012345678h
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je crash
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@@:
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ret
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; test 32 bit rsp-related reference
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t6:
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cmp rdx, 4
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jb @f
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sub rsp, 8
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mov dword ptr [rsp], 012345678h
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mov ecx, dword ptr [rcx]
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cmp dword ptr [rsp], ecx
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je crash
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add rsp, 8
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@@:
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ret
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; test 32 bit rip-related reference
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t7_rip_rel_ref:
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dq 012345678h
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t7:
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cmp rdx, 4
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jb @f
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mov ecx, dword ptr [rcx]
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cmp dword ptr [t7_rip_rel_ref], ecx
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je crash
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@@:
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ret
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dll_main:
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mov eax, 1
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ret
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END
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