{"type": "func", "start": 6443771836, "end": 6443772133, "name": "strrchr", "pseudocode": "// \n// strrchr from 0x1801427bc to 0x1801428e5 (297 bytes)\n// \n// 1 xrefs:\n// > fp_format_a @ 0x1801376b5\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\nchar *__cdecl strrchr(const char *Str, int Ch)\n{\n char *v2; // r9\n __m128i *v3; // r8\n __m128i *v4; // rdx\n __int64 v5; // rax\n __m128i *v7; // r10\n int v8; // r8d\n __m128i v9; // xmm2\n unsigned int v10; // edx\n int i; // ecx\n __int64 v12; // rcx\n char *v13; // rcx\n unsigned int v14; // edx\n __int64 v15; // rcx\n char *v16; // rcx\n __m128i v17; // xmm0\n unsigned __int8 v18; // zf\n int v19; // ecx\n\n v2 = nullptr;\n v3 = (__m128i *)Str;\n if ( Ch )\n {\n if ( dword_1801B1700 >= 2 )\n {\n while ( ((unsigned __int8)v3 & 0xF) != 0 )\n {\n if ( v3->m128i_i8[0] == Ch )\n v2 = (char *)v3;\n if ( !v3->m128i_i8[0] )\n return v2;\n v3 = (__m128i *)((char *)v3 + 1);\n }\n v17 = _mm_cvtsi32_si128((unsigned __int8)Ch);\n while ( 1 )\n {\n v19 = _mm_cmpistri(v17, *v3, 64);\n v18 = _mm_cmpistrz(v17, *v3, 64);\n if ( _mm_cmpistrc(v17, *v3, 64) )\n {\n v2 = &v3->m128i_i8[v19];\n v18 = _mm_cmpistrz(v17, *v3, 64);\n }\n if ( v18 )\n break;\n ++v3;\n }\n }\n else\n {\n v7 = (__m128i *)((unsigned __int64)Str & 0xFFFFFFFFFFFFFFF0uLL);\n v8 = -1 << ((unsigned __int8)Str & 0xF);\n v9 = _mm_shuffle_epi32(\n _mm_shufflelo_epi16(_mm_cvtsi32_si128((unsigned __int8)Ch | ((unsigned __int8)Ch << 8)), 0),\n 0);\n v10 = v8 & _mm_movemask_epi8(_mm_cmpeq_epi8(v9, *(__m128i *)((unsigned __int64)Str & 0xFFFFFFFFFFFFFFF0uLL)));\n for ( i = v8\n & _mm_movemask_epi8(_mm_cmpeq_epi8((__m128i)0LL, *(__m128i *)((unsigned __int64)Str & 0xFFFFFFFFFFFFFFF0uLL)));\n !i;\n v10 = _mm_movemask_epi8(_mm_cmpeq_epi8(v9, *v7)) )\n {\n _BitScanReverse((unsigned int *)&v12, v10);\n v13 = &v7->m128i_i8[v12];\n if ( v10 )\n v2 = v13;\n i = _mm_movemask_epi8(_mm_cmpeq_epi8((__m128i)0LL, *++v7));\n }\n v14 = ((i & -i) - 1) & v10;\n _BitScanReverse((unsigned int *)&v15, v14);\n v16 = &v7->m128i_i8[v15];\n if ( v14 )\n return v16;\n }\n return v2;\n }\n else\n {\n v4 = (__m128i *)((unsigned __int64)Str & 0xFFFFFFFFFFFFFFF0uLL);\n for ( LODWORD(v5) = (-1 << ((unsigned __int8)Str & 0xF))\n & _mm_movemask_epi8(_mm_cmpeq_epi8((__m128i)0LL, *(__m128i *)((unsigned __int64)Str\n & 0xFFFFFFFFFFFFFFF0uLL)));\n !(_DWORD)v5;\n LODWORD(v5) = _mm_movemask_epi8(_mm_cmpeq_epi8((__m128i)0LL, *v4)) )\n {\n ++v4;\n }\n _BitScanForward((unsigned int *)&v5, v5);\n return &v4->m128i_i8[v5];\n }\n}", "assembly": "; \n; strrchr from 0x1801427bc to 0x1801428e5 (297 bytes)\n; \n; 1 xrefs:\n; > fp_format_a @ 0x1801376b5\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\nxor r9d, r9d ; +0x0, 0x1801427bc\nmov r8, rcx ; +0x3, 0x1801427bf\ntest edx, edx ; +0x6, 0x1801427c2\njnz short loc_180142805 ; +0x8, 0x1801427c4\nand r8d, 0Fh ; +0xa, 0x1801427c6\nmov rdx, rcx ; +0xe, 0x1801427ca\nand rdx, 0FFFFFFFFFFFFFFF0h ; +0x11, 0x1801427cd\nmov ecx, r8d ; +0x15, 0x1801427d1\nor r8d, 0FFFFFFFFh ; +0x18, 0x1801427d4\nxorps xmm0, xmm0 ; +0x1c, 0x1801427d8\nshl r8d, cl ; +0x1f, 0x1801427db\npcmpeqb xmm0, xmmword ptr [rdx] ; +0x22, 0x1801427de\npmovmskb eax, xmm0 ; +0x26, 0x1801427e2\nand eax, r8d ; +0x2a, 0x1801427e6\njnz short loc_1801427FE ; +0x2d, 0x1801427e9\nadd rdx, 10h ; +0x2f, 0x1801427eb\nxorps xmm0, xmm0 ; +0x33, 0x1801427ef\npcmpeqb xmm0, xmmword ptr [rdx] ; +0x36, 0x1801427f2\npmovmskb eax, xmm0 ; +0x3a, 0x1801427f6\ntest eax, eax ; +0x3e, 0x1801427fa\njz short loc_1801427EB ; +0x40, 0x1801427fc\nbsf eax, eax ; +0x42, 0x1801427fe\nadd rax, rdx ; +0x45, 0x180142801\nretn ; +0x48, 0x180142804\ncmp cs:dword_1801B1700, 2 ; +0x49, 0x180142805\njge loc_1801428BA ; +0x50, 0x18014280c\nmovzx eax, dl ; +0x56, 0x180142812\nmov r10, r8 ; +0x59, 0x180142815\nand r8d, 0Fh ; +0x5c, 0x180142818\nand r10, 0FFFFFFFFFFFFFFF0h ; +0x60, 0x18014281c\nmov ecx, eax ; +0x64, 0x180142820\nshl ecx, 8 ; +0x66, 0x180142822\nor ecx, eax ; +0x69, 0x180142825\nmovd xmm0, ecx ; +0x6b, 0x180142827\nmov ecx, r8d ; +0x6f, 0x18014282b\npshuflw xmm1, xmm0, 0 ; +0x72, 0x18014282e\nor r8d, 0FFFFFFFFh ; +0x77, 0x180142833\nxorps xmm0, xmm0 ; +0x7b, 0x180142837\nshl r8d, cl ; +0x7e, 0x18014283a\npcmpeqb xmm0, xmmword ptr [r10] ; +0x81, 0x18014283d\npmovmskb ecx, xmm0 ; +0x86, 0x180142842\npshufd xmm2, xmm1, 0 ; +0x8a, 0x180142846\nmovdqa xmm0, xmm2 ; +0x8f, 0x18014284b\npcmpeqb xmm0, xmmword ptr [r10] ; +0x93, 0x18014284f\npmovmskb edx, xmm0 ; +0x98, 0x180142854\nand edx, r8d ; +0x9c, 0x180142858\nand ecx, r8d ; +0x9f, 0x18014285b\njnz short loc_18014288D ; +0xa2, 0x18014285e\nbsr ecx, edx ; +0xa4, 0x180142860\nxorps xmm1, xmm1 ; +0xa7, 0x180142863\nmovdqa xmm0, xmm2 ; +0xaa, 0x180142866\nadd rcx, r10 ; +0xae, 0x18014286a\ntest edx, edx ; +0xb1, 0x18014286d\ncmovnz r9, rcx ; +0xb3, 0x18014286f\nadd r10, 10h ; +0xb7, 0x180142873\npcmpeqb xmm1, xmmword ptr [r10] ; +0xbb, 0x180142877\npcmpeqb xmm0, xmmword ptr [r10] ; +0xc0, 0x18014287c\npmovmskb ecx, xmm1 ; +0xc5, 0x180142881\npmovmskb edx, xmm0 ; +0xc9, 0x180142885\ntest ecx, ecx ; +0xcd, 0x180142889\njz short loc_180142860 ; +0xcf, 0x18014288b\nmov eax, ecx ; +0xd1, 0x18014288d\nneg eax ; +0xd3, 0x18014288f\nand eax, ecx ; +0xd5, 0x180142891\ndec eax ; +0xd7, 0x180142893\nand edx, eax ; +0xd9, 0x180142895\nbsr ecx, edx ; +0xdb, 0x180142897\nadd rcx, r10 ; +0xde, 0x18014289a\ntest edx, edx ; +0xe1, 0x18014289d\ncmovnz r9, rcx ; +0xe3, 0x18014289f\nmov rax, r9 ; +0xe7, 0x1801428a3\nretn ; +0xea, 0x1801428a6\nmovsx eax, byte ptr [r8] ; +0xeb, 0x1801428a7\ncmp eax, edx ; +0xef, 0x1801428ab\ncmovz r9, r8 ; +0xf1, 0x1801428ad\ncmp byte ptr [r8], 0 ; +0xf5, 0x1801428b1\njz short loc_1801428A3 ; +0xf9, 0x1801428b5\ninc r8 ; +0xfb, 0x1801428b7\ntest r8b, 0Fh ; +0xfe, 0x1801428ba\njnz short loc_1801428A7 ; +0x102, 0x1801428be\nmovzx eax, dl ; +0x104, 0x1801428c0\nmovd xmm0, eax ; +0x107, 0x1801428c3\npcmpistri xmm0, xmmword ptr [r8], 40h ; '@' ; +0x10b, 0x1801428c7\njnb short loc_1801428DD ; +0x112, 0x1801428ce\nmovsxd r9, ecx ; +0x114, 0x1801428d0\nadd r9, r8 ; +0x117, 0x1801428d3\npcmpistri xmm0, xmmword ptr [r8], 40h ; '@' ; +0x11a, 0x1801428d6\njz short loc_1801428A3 ; +0x121, 0x1801428dd\nadd r8, 10h ; +0x123, 0x1801428df\njmp short loc_1801428C7 ; +0x127, 0x1801428e3", "xrefs": ["fp_format_a @ 0x1801376b5"], "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"}