wow-64 injection point

injection_poin.c

signed __int64 __usercall Script_UnitName@<rax>(signed __int64 a1@<rbx>, __int64 a2@<rdi>)
{
    ...
  LODWORD(v5) = sub_140A29990();
  lua_pushstring(v1, v5);
  lua_pushnil(v1);
  return 2i64;
}

__int64 __fastcall lua_pushstring(__int64 a1, __int64 a2)
{
  __int64 v2; // r9@1
  __int64 v3; // rdx@2
  __int64 result; // rax@2
  signed __int64 v5; // rcx@3
  __int64 v6; // rdi@3
  bool v7; // zf@5

  v2 = a1;
  if ( a2 )
  {
    v5 = -1i64;
    v6 = a2;
    do
    {
      if ( !v5 )
        break;
      v7 = *(_BYTE *)v6++ == 0;
      --v5;
    }
    while ( !v7 );
    result = lua_pushlstring(v2, a2, ~v5 - 1);
  }
  else
  {
    v3 = *(_QWORD *)(a1 + 24);
    result = qword_1414519E8;
    *(_QWORD *)(v3 + 16) = qword_1414519E8;
    *(_DWORD *)(v3 + 8) = 0;
    *(_QWORD *)(a1 + 24) += 24i64;
  }
  return result;
}


__int64 __fastcall lua_pushlstring(__int64 a1, __int64 a2, __int64 a3)
{
  __int64 v3; // rsi@1
  __int64 v4; // rbp@1
  __int64 v5; // rdi@1
  __int64 v6; // rbx@3
  __int64 result; // rax@3

  v3 = a3;
  v4 = a2;
  v5 = a1;
  if ( *(_QWORD *)(*(_QWORD *)(a1 + 40) + 120i64) >= *(_QWORD *)(*(_QWORD *)(a1 + 40) + 112i64) )
    sub_1401252A0(a1);
  v6 = *(_QWORD *)(v5 + 24);
  *(_QWORD *)(v6 + 16) = qword_1414519E8;
  result = luaS_newlstr(v5, (const void *)v4, v3);
  *(_QWORD *)v6 = result;
  *(_DWORD *)(v6 + 8) = 4;
  *(_QWORD *)(v5 + 24) += 24i64;
  return result;
}

// function size ~400 bytes
__int64 __fastcall luaS_newlstr(__int64 a1, const void *a2, unsigned __int64 a3)
{
  size_t v3; // rsi@1
  unsigned int v4; // edi@1
  signed __int64 v5; // r8@1
  const void *v6; // rbp@1
  __int64 v7; // r12@1
  size_t i; // r9@1
  int v9; // ecx@2
  __int64 v10; // rdx@3
  __int64 v11; // rbx@3
  __int64 v12; // rax@9
  char v13; // dl@9
  __int64 v14; // rax@10
  __int64 v15; // r8@12
  __int64 v16; // rdx@12
  signed int v17; // edx@12

  v3 = a3;
  v4 = a3;
  v5 = (a3 >> 5) + 1;
  v6 = a2;
  v7 = a1;
  for ( i = v3; i >= v5; v4 ^= (v4 >> 2) + 32 * v4 + v9 )
  {
    v9 = *((char *)a2 + i - 1);
    i -= v5;
  }
  v10 = *(_QWORD *)(v7 + 40);
  v11 = *(_QWORD *)(*(_QWORD *)v10 + 8 * ((signed int)v4 & (unsigned __int64)(*(_DWORD *)(v10 + 12) - 1)));
  if ( v11 )
  {
    while ( *(_QWORD *)(v11 + 24) != v3 || memcmp(v6, (const void *)(v11 + 32), v3) )
    {
      v11 = *(_QWORD *)v11;
      if ( !v11 )
        goto LABEL_7;
    }
    if ( (unsigned __int8)~*(_BYTE *)(*(_QWORD *)(v7 + 40) + 33i64) & *(_BYTE *)(v11 + 17) & 3 )
      *(_BYTE *)(v11 + 17) ^= 3u;
  }
  else
  {
LABEL_7:
    if ( v3 + 1 > 0xFFFFFFFFFFFFFFDDui64 )
      sub_140127500(v7, v10, v5, i);
    LODWORD(v12) = sub_140127520(v7, 0i64, 0i64, v3 + 33);
    v11 = v12;
    *(_QWORD *)(v12 + 24) = v3;
    *(_DWORD *)(v12 + 20) = v4;
    v13 = *(_BYTE *)(*(_QWORD *)(v7 + 40) + 33i64);
    *(_BYTE *)(v12 + 16) = 4;
    *(_BYTE *)(v12 + 17) = v13 & 3;
    if ( !qword_1414519E8 || (v14 = qword_141451A00) == 0 )
      v14 = qword_1414519E8;
    *(_QWORD *)(v11 + 8) = v14;
    *(_BYTE *)(v11 + 18) = 0;
    memmove((void *)(v11 + 32), v6, v3);
    *(_BYTE *)(v11 + v3 + 32) = 0;
    v15 = *(_QWORD *)(v7 + 40);
    v16 = v4 & (*(_DWORD *)(v15 + 12) - 1);
    *(_QWORD *)v11 = *(_QWORD *)(*(_QWORD *)v15 + 8 * v16);
    *(_QWORD *)(*(_QWORD *)v15 + 8 * v16) = v11;
    v17 = *(_DWORD *)(v15 + 12);
    ++*(_DWORD *)(v15 + 8);
    if ( *(_DWORD *)(v15 + 8) > (unsigned int)v17 && v17 <= 1073741822 )
      sub_14011DFD0(v7, (unsigned int)(2 * v17));
  }
  return v11;
}