{"type": "func", "start": 6443648944, "end": 6443649143, "name": "memcmp", "pseudocode": "// \n// memcmp from 0x1801247b0 to 0x180124877 (199 bytes)\n// \n// 7 xrefs:\n// > sub_180045B60 @ 0x180045f2b\n// > sub_18005A650 @ 0x18005a90d\n// > sub_1800B80C0 @ 0x1800b813b\n// > sub_1800D4BB0 @ 0x1800d4be3\n// > sub_1800EABD0 @ 0x1800ead6a\n// > sub_1800EB320 @ 0x1800eb411\n// > @ 0x18020266c\n// \n// This function is hookable on this platform!\n// \n// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA\n// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings\n// \n\nint __cdecl memcmp(const void *Buf1, const void *Buf2, size_t Size)\n{\n signed __int64 v3; // rdx\n bool v4; // cf\n size_t v6; // r9\n unsigned __int64 v7; // rax\n size_t v8; // r9\n\n v3 = (_BYTE *)Buf2 - (_BYTE *)Buf1;\n if ( Size < 8 )\n goto mcmp30;\n for ( ; ((unsigned __int8)Buf1 & 7) != 0; --Size )\n {\n v4 = *(_BYTE *)Buf1 < *((_BYTE *)Buf1 + v3);\n if ( *(_BYTE *)Buf1 != *((_BYTE *)Buf1 + v3) )\n return -v4 - (v4 - 1);\n Buf1 = (char *)Buf1 + 1;\n }\n if ( !(Size >> 3) )\n {\nmcmp30:\n if ( !Size )\n return 0;\n while ( 1 )\n {\n v4 = *(_BYTE *)Buf1 < *((_BYTE *)Buf1 + v3);\n if ( *(_BYTE *)Buf1 != *((_BYTE *)Buf1 + v3) )\n break;\n Buf1 = (char *)Buf1 + 1;\n if ( !--Size )\n return 0;\n }\n return -v4 - (v4 - 1);\n }\n v6 = Size >> 5;\n if ( Size >> 5 )\n {\n while ( 1 )\n {\n v7 = *(_QWORD *)Buf1;\n if ( *(_QWORD *)Buf1 != *(_QWORD *)((char *)Buf1 + v3) )\n break;\n v7 = *((_QWORD *)Buf1 + 1);\n if ( v7 != *(_QWORD *)((char *)Buf1 + v3 + 8) )\n goto mcmp_adjust8;\n v7 = *((_QWORD *)Buf1 + 2);\n if ( v7 != *(_QWORD *)((char *)Buf1 + v3 + 16) )\n goto mcmp_adjust16;\n v7 = *((_QWORD *)Buf1 + 3);\n if ( v7 != *(_QWORD *)((char *)Buf1 + v3 + 24) )\n {\n Buf1 = (char *)Buf1 + 8;\nmcmp_adjust16:\n Buf1 = (char *)Buf1 + 8;\nmcmp_adjust8:\n Buf1 = (char *)Buf1 + 8;\n break;\n }\n Buf1 = (char *)Buf1 + 32;\n if ( !--v6 )\n {\n Size &= 0x1Fu;\n goto mcmp70;\n }\n }\n }\n else\n {\nmcmp70:\n v8 = Size >> 3;\n if ( !(Size >> 3) )\n goto mcmp30;\n while ( 1 )\n {\n v7 = *(_QWORD *)Buf1;\n if ( *(_QWORD *)Buf1 != *(_QWORD *)((char *)Buf1 + v3) )\n break;\n Buf1 = (char *)Buf1 + 8;\n if ( !--v8 )\n {\n Size &= 7u;\n goto mcmp30;\n }\n }\n }\n v4 = _byteswap_uint64(v7) < _byteswap_uint64(*(_QWORD *)((char *)Buf1 + v3));\n return -v4 - (v4 - 1);\n}", "assembly": "; \n; memcmp from 0x1801247b0 to 0x180124877 (199 bytes)\n; \n; 7 xrefs:\n; > sub_180045B60 @ 0x180045f2b\n; > sub_18005A650 @ 0x18005a90d\n; > sub_1800B80C0 @ 0x1800b813b\n; > sub_1800D4BB0 @ 0x1800d4be3\n; > sub_1800EABD0 @ 0x1800ead6a\n; > sub_1800EB320 @ 0x1800eb411\n; > @ 0x18020266c\n; \n; This function is hookable on this platform!\n; \n; Using BromaIDA 8.0.0 @ https:;github.com/Stazzical/BromaIDA\n; Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https:;github.com/geode-sdk/bindings\n; \n\nsub rdx, rcx ; +0x0, 0x1801247b0\ncmp r8, 8 ; +0x3, 0x1801247b3\njb short mcmp30 ; +0x7, 0x1801247b7\ntest cl, 7 ; +0x9, 0x1801247b9\njz short mcmp20 ; +0xc, 0x1801247bc\nxchg ax, ax ; +0xe, 0x1801247be\nmov al, [rcx] ; +0x10, 0x1801247c0\ncmp al, [rcx+rdx] ; +0x12, 0x1801247c2\njnz short mcmp_not_equal ; +0x15, 0x1801247c5\ninc rcx ; +0x17, 0x1801247c7\ndec r8 ; +0x1a, 0x1801247ca\ntest cl, 7 ; +0x1d, 0x1801247cd\njnz short mcmp10 ; +0x20, 0x1801247d0\nmov r9, r8 ; +0x22, 0x1801247d2\nshr r9, 3 ; +0x25, 0x1801247d5\njnz short mcmp50 ; +0x29, 0x1801247d9\ntest r8, r8 ; +0x2b, 0x1801247db\njz short mcmp_equal ; +0x2e, 0x1801247de\nmov al, [rcx] ; +0x30, 0x1801247e0\ncmp al, [rcx+rdx] ; +0x32, 0x1801247e2\njnz short mcmp_not_equal ; +0x35, 0x1801247e5\ninc rcx ; +0x37, 0x1801247e7\ndec r8 ; +0x3a, 0x1801247ea\njnz short mcmp40 ; +0x3d, 0x1801247ed\nxor rax, rax ; +0x3f, 0x1801247ef\nretn ; +0x42, 0x1801247f2\nsbb eax, eax ; +0x43, 0x1801247f3\nsbb eax, 0FFFFFFFFh ; +0x45, 0x1801247f5\nretn ; +0x48, 0x1801247f8\nalign 2 ; +0x49, 0x1801247f9\nshr r9, 2 ; +0x4a, 0x1801247fa\njz short mcmp70 ; +0x4e, 0x1801247fe\nmov rax, [rcx] ; +0x50, 0x180124800\ncmp rax, [rcx+rdx] ; +0x53, 0x180124803\njnz short mcmp_adjust0 ; +0x57, 0x180124807\nmov rax, [rcx+8] ; +0x59, 0x180124809\ncmp rax, [rcx+rdx+8] ; +0x5d, 0x18012480d\njnz short mcmp_adjust8 ; +0x62, 0x180124812\nmov rax, [rcx+10h] ; +0x64, 0x180124814\ncmp rax, [rcx+rdx+10h] ; +0x68, 0x180124818\njnz short mcmp_adjust16 ; +0x6d, 0x18012481d\nmov rax, [rcx+18h] ; +0x6f, 0x18012481f\ncmp rax, [rcx+rdx+18h] ; +0x73, 0x180124823\njnz short mcmp_adjust24 ; +0x78, 0x180124828\nadd rcx, 20h ; ' ' ; +0x7a, 0x18012482a\ndec r9 ; +0x7e, 0x18012482e\njnz short mcmp60 ; +0x81, 0x180124831\nand r8, 1Fh ; +0x83, 0x180124833\nmov r9, r8 ; +0x87, 0x180124837\nshr r9, 3 ; +0x8a, 0x18012483a\njz short mcmp30 ; +0x8e, 0x18012483e\nmov rax, [rcx] ; +0x90, 0x180124840\ncmp rax, [rcx+rdx] ; +0x93, 0x180124843\njnz short mcmp_adjust0 ; +0x97, 0x180124847\nadd rcx, 8 ; +0x99, 0x180124849\ndec r9 ; +0x9d, 0x18012484d\njnz short mcmp80 ; +0xa0, 0x180124850\nand r8, 7 ; +0xa2, 0x180124852\njmp short mcmp30 ; +0xa6, 0x180124856\nadd rcx, 8 ; +0xa8, 0x180124858\nadd rcx, 8 ; +0xac, 0x18012485c\nadd rcx, 8 ; +0xb0, 0x180124860\nmov rcx, [rdx+rcx] ; +0xb4, 0x180124864\nbswap rax ; +0xb8, 0x180124868\nbswap rcx ; +0xbb, 0x18012486b\ncmp rax, rcx ; +0xbe, 0x18012486e\nsbb eax, eax ; +0xc1, 0x180124871\nsbb eax, 0FFFFFFFFh ; +0xc3, 0x180124873\nretn ; +0xc6, 0x180124876", "xrefs": ["sub_180045B60 @ 0x180045f2b", "sub_18005A650 @ 0x18005a90d", "sub_1800B80C0 @ 0x1800b813b", "sub_1800D4BB0 @ 0x1800d4be3", "sub_1800EABD0 @ 0x1800ead6a", "sub_1800EB320 @ 0x1800eb411", " @ 0x18020266c"], "is_objc": false, "is_arm32": false, "is_arm64": false, "bida_info": "8.0.0 @ https://github.com/Stazzical/BromaIDA", "bindings_info": "commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings"}