dlls/wineandroid.drv/init.c

   1 /*
   2  * Android driver initialisation functions
   3  *
   4  * Copyright 1996, 2013, 2017 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define NONAMELESSSTRUCT
  22 #define NONAMELESSUNION
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <link.h>
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winreg.h"
  33 #include "android.h"
  34 #include "wine/server.h"
  35 #include "wine/library.h"
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(android);
  39
  40 unsigned int screen_width = 0;
  41 unsigned int screen_height = 0;
  42 RECT virtual_screen_rect = { 0, 0, 0, 0 };
  43
  44 MONITORINFOEXW default_monitor =
  45 {
  46     sizeof(default_monitor),    /* cbSize */
  47     { 0, 0, 0, 0 },             /* rcMonitor */
  48     { 0, 0, 0, 0 },             /* rcWork */
  49     MONITORINFOF_PRIMARY,       /* dwFlags */
  50     { '\\','\\','.','\\','D','I','S','P','L','A','Y','1',0 }   /* szDevice */
  51 };
  52
  53 static const unsigned int screen_bpp = 32;  /* we don't support other modes */
  54
  55 static int device_init_done;
  56
  57 typedef struct
  58 {
  59     struct gdi_physdev dev;
  60 } ANDROID_PDEVICE;
  61
  62 static const struct gdi_dc_funcs android_drv_funcs;
  63
  64
  65 /******************************************************************************
  66  *           init_monitors
  67  */
  68 void init_monitors( int width, int height )
  69 {
  70     static const WCHAR trayW[] = {'S','h','e','l','l','_','T','r','a','y','W','n','d',0};
  71     RECT rect;
  72     HWND hwnd = FindWindowW( trayW, NULL );
  73
  74     virtual_screen_rect.right = width;
  75     virtual_screen_rect.bottom = height;
  76     default_monitor.rcMonitor = default_monitor.rcWork = virtual_screen_rect;
  77
  78     if (!hwnd || !IsWindowVisible( hwnd )) return;
  79     if (!GetWindowRect( hwnd, &rect )) return;
  80     if (rect.top) default_monitor.rcWork.bottom = rect.top;
  81     else default_monitor.rcWork.top = rect.bottom;
  82     TRACE( "found tray %p %s work area %s\n", hwnd,
  83            wine_dbgstr_rect( &rect ), wine_dbgstr_rect( &default_monitor.rcWork ));
  84 }
  85
  86
  87 /******************************************************************************
  88  *           set_screen_dpi
  89  */
  90 void set_screen_dpi( DWORD dpi )
  91 {
  92     static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s',0};
  93     static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s',0};
  94     HKEY hkey;
  95
  96     if (!RegCreateKeyW( HKEY_CURRENT_CONFIG, dpi_key_name, &hkey ))
  97     {
  98         RegSetValueExW( hkey, dpi_value_name, 0, REG_DWORD, (void *)&dpi, sizeof(DWORD) );
  99         RegCloseKey( hkey );
 100     }
 101 }
 102
 103 /**********************************************************************
 104  *           fetch_display_metrics
 105  */
 106 static void fetch_display_metrics(void)
 107 {
 108     if (wine_get_java_vm()) return;  /* for Java threads it will be set when the top view is created */
 109
 110     SERVER_START_REQ( get_window_rectangles )
 111     {
 112         req->handle = wine_server_user_handle( GetDesktopWindow() );
 113         req->relative = COORDS_CLIENT;
 114         if (!wine_server_call( req ))
 115         {
 116             screen_width  = reply->window.right;
 117             screen_height = reply->window.bottom;
 118         }
 119     }
 120     SERVER_END_REQ;
 121
 122     init_monitors( screen_width, screen_height );
 123     TRACE( "screen %ux%u\n", screen_width, screen_height );
 124 }
 125
 126
 127 /**********************************************************************
 128  *           device_init
 129  *
 130  * Perform initializations needed upon creation of the first device.
 131  */
 132 static void device_init(void)
 133 {
 134     device_init_done = TRUE;
 135     fetch_display_metrics();
 136 }
 137
 138
 139 /******************************************************************************
 140  *           create_android_physdev
 141  */
 142 static ANDROID_PDEVICE *create_android_physdev(void)
 143 {
 144     ANDROID_PDEVICE *physdev;
 145
 146     if (!device_init_done) device_init();
 147
 148     if (!(physdev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physdev) ))) return NULL;
 149     return physdev;
 150 }
 151
 152 /**********************************************************************
 153  *           ANDROID_CreateDC
 154  */
 155 static BOOL ANDROID_CreateDC( PHYSDEV *pdev, LPCWSTR driver, LPCWSTR device,
 156                               LPCWSTR output, const DEVMODEW* initData )
 157 {
 158     ANDROID_PDEVICE *physdev = create_android_physdev();
 159
 160     if (!physdev) return FALSE;
 161
 162     push_dc_driver( pdev, &physdev->dev, &android_drv_funcs );
 163     return TRUE;
 164 }
 165
 166
 167 /**********************************************************************
 168  *           ANDROID_CreateCompatibleDC
 169  */
 170 static BOOL ANDROID_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 171 {
 172     ANDROID_PDEVICE *physdev = create_android_physdev();
 173
 174     if (!physdev) return FALSE;
 175
 176     push_dc_driver( pdev, &physdev->dev, &android_drv_funcs );
 177     return TRUE;
 178 }
 179
 180
 181 /**********************************************************************
 182  *           ANDROID_DeleteDC
 183  */
 184 static BOOL ANDROID_DeleteDC( PHYSDEV dev )
 185 {
 186     HeapFree( GetProcessHeap(), 0, dev );
 187     return TRUE;
 188 }
 189
 190
 191 /***********************************************************************
 192  *           ANDROID_GetDeviceCaps
 193  */
 194 static INT ANDROID_GetDeviceCaps( PHYSDEV dev, INT cap )
 195 {
 196     switch(cap)
 197     {
 198     case HORZRES:        return screen_width;
 199     case VERTRES:        return screen_height;
 200     case DESKTOPHORZRES: return virtual_screen_rect.right - virtual_screen_rect.left;
 201     case DESKTOPVERTRES: return virtual_screen_rect.bottom - virtual_screen_rect.top;
 202     case BITSPIXEL:      return screen_bpp;
 203     default:
 204         dev = GET_NEXT_PHYSDEV( dev, pGetDeviceCaps );
 205         return dev->funcs->pGetDeviceCaps( dev, cap );
 206     }
 207 }
 208
 209
 210 /***********************************************************************
 211  *           ANDROID_ChangeDisplaySettingsEx
 212  */
 213 LONG CDECL ANDROID_ChangeDisplaySettingsEx( LPCWSTR devname, LPDEVMODEW devmode,
 214                                             HWND hwnd, DWORD flags, LPVOID lpvoid )
 215 {
 216     FIXME( "(%s,%p,%p,0x%08x,%p)\n", debugstr_w( devname ), devmode, hwnd, flags, lpvoid );
 217     return DISP_CHANGE_SUCCESSFUL;
 218 }
 219
 220
 221 /***********************************************************************
 222  *           ANDROID_GetMonitorInfo
 223  */
 224 BOOL CDECL ANDROID_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 225 {
 226     if (handle != (HMONITOR)1)
 227     {
 228         SetLastError( ERROR_INVALID_HANDLE );
 229         return FALSE;
 230     }
 231     info->rcMonitor = default_monitor.rcMonitor;
 232     info->rcWork = default_monitor.rcWork;
 233     info->dwFlags = default_monitor.dwFlags;
 234     if (info->cbSize >= sizeof(MONITORINFOEXW))
 235         lstrcpyW( ((MONITORINFOEXW *)info)->szDevice, default_monitor.szDevice );
 236     return TRUE;
 237 }
 238
 239
 240 /***********************************************************************
 241  *           ANDROID_EnumDisplayMonitors
 242  */
 243 BOOL CDECL ANDROID_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 244 {
 245     if (hdc)
 246     {
 247         POINT origin;
 248         RECT limit, monrect;
 249
 250         if (!GetDCOrgEx( hdc, &origin )) return FALSE;
 251         if (GetClipBox( hdc, &limit ) == ERROR) return FALSE;
 252
 253         if (rect && !IntersectRect( &limit, &limit, rect )) return TRUE;
 254
 255         monrect = default_monitor.rcMonitor;
 256         OffsetRect( &monrect, -origin.x, -origin.y );
 257         if (IntersectRect( &monrect, &monrect, &limit ))
 258             if (!proc( (HMONITOR)1, hdc, &monrect, lp ))
 259                 return FALSE;
 260     }
 261     else
 262     {
 263         RECT unused;
 264         if (!rect || IntersectRect( &unused, &default_monitor.rcMonitor, rect ))
 265             if (!proc( (HMONITOR)1, 0, &default_monitor.rcMonitor, lp ))
 266                 return FALSE;
 267     }
 268     return TRUE;
 269 }
 270
 271
 272 /***********************************************************************
 273  *           ANDROID_EnumDisplaySettingsEx
 274  */
 275 BOOL CDECL ANDROID_EnumDisplaySettingsEx( LPCWSTR name, DWORD n, LPDEVMODEW devmode, DWORD flags)
 276 {
 277     static const WCHAR dev_name[CCHDEVICENAME] =
 278         { 'W','i','n','e',' ','A','n','d','r','o','i','d',' ','d','r','i','v','e','r',0 };
 279
 280     devmode->dmSize = offsetof( DEVMODEW, dmICMMethod );
 281     devmode->dmSpecVersion = DM_SPECVERSION;
 282     devmode->dmDriverVersion = DM_SPECVERSION;
 283     memcpy( devmode->dmDeviceName, dev_name, sizeof(dev_name) );
 284     devmode->dmDriverExtra = 0;
 285     devmode->u2.dmDisplayFlags = 0;
 286     devmode->dmDisplayFrequency = 0;
 287     devmode->u1.s2.dmPosition.x = 0;
 288     devmode->u1.s2.dmPosition.y = 0;
 289     devmode->u1.s2.dmDisplayOrientation = 0;
 290     devmode->u1.s2.dmDisplayFixedOutput = 0;
 291
 292     if (n == ENUM_CURRENT_SETTINGS || n == ENUM_REGISTRY_SETTINGS) n = 0;
 293     if (n == 0)
 294     {
 295         devmode->dmPelsWidth = screen_width;
 296         devmode->dmPelsHeight = screen_height;
 297         devmode->dmBitsPerPel = screen_bpp;
 298         devmode->dmDisplayFrequency = 60;
 299         devmode->dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFLAGS | DM_DISPLAYFREQUENCY;
 300         TRACE( "mode %d -- %dx%d %d bpp @%d Hz\n", n,
 301                devmode->dmPelsWidth, devmode->dmPelsHeight,
 302                devmode->dmBitsPerPel, devmode->dmDisplayFrequency );
 303         return TRUE;
 304     }
 305     TRACE( "mode %d -- not present\n", n );
 306     SetLastError( ERROR_NO_MORE_FILES );
 307     return FALSE;
 308 }
 309
 310
 311 /**********************************************************************
 312  *           ANDROID_wine_get_wgl_driver
 313  */
 314 static struct opengl_funcs * ANDROID_wine_get_wgl_driver( PHYSDEV dev, UINT version )
 315 {
 316     struct opengl_funcs *ret;
 317
 318     if (!(ret = get_wgl_driver( version )))
 319     {
 320         dev = GET_NEXT_PHYSDEV( dev, wine_get_wgl_driver );
 321         ret = dev->funcs->wine_get_wgl_driver( dev, version );
 322     }
 323     return ret;
 324 }
 325
 326
 327 static const struct gdi_dc_funcs android_drv_funcs =
 328 {
 329     NULL,                               /* pAbortDoc */
 330     NULL,                               /* pAbortPath */
 331     NULL,                               /* pAlphaBlend */
 332     NULL,                               /* pAngleArc */
 333     NULL,                               /* pArc */
 334     NULL,                               /* pArcTo */
 335     NULL,                               /* pBeginPath */
 336     NULL,                               /* pBlendImage */
 337     NULL,                               /* pChord */
 338     NULL,                               /* pCloseFigure */
 339     ANDROID_CreateCompatibleDC,         /* pCreateCompatibleDC */
 340     ANDROID_CreateDC,                   /* pCreateDC */
 341     ANDROID_DeleteDC,                   /* pDeleteDC */
 342     NULL,                               /* pDeleteObject */
 343     NULL,                               /* pDeviceCapabilities */
 344     NULL,                               /* pEllipse */
 345     NULL,                               /* pEndDoc */
 346     NULL,                               /* pEndPage */
 347     NULL,                               /* pEndPath */
 348     NULL,                               /* pEnumFonts */
 349     NULL,                               /* pEnumICMProfiles */
 350     NULL,                               /* pExcludeClipRect */
 351     NULL,                               /* pExtDeviceMode */
 352     NULL,                               /* pExtEscape */
 353     NULL,                               /* pExtFloodFill */
 354     NULL,                               /* pExtSelectClipRgn */
 355     NULL,                               /* pExtTextOut */
 356     NULL,                               /* pFillPath */
 357     NULL,                               /* pFillRgn */
 358     NULL,                               /* pFlattenPath */
 359     NULL,                               /* pFontIsLinked */
 360     NULL,                               /* pFrameRgn */
 361     NULL,                               /* pGdiComment */
 362     NULL,                               /* pGetBoundsRect */
 363     NULL,                               /* pGetCharABCWidths */
 364     NULL,                               /* pGetCharABCWidthsI */
 365     NULL,                               /* pGetCharWidth */
 366     ANDROID_GetDeviceCaps,              /* pGetDeviceCaps */
 367     NULL,                               /* pGetDeviceGammaRamp */
 368     NULL,                               /* pGetFontData */
 369     NULL,                               /* pGetFontRealizationInfo */
 370     NULL,                               /* pGetFontUnicodeRanges */
 371     NULL,                               /* pGetGlyphIndices */
 372     NULL,                               /* pGetGlyphOutline */
 373     NULL,                               /* pGetICMProfile */
 374     NULL,                               /* pGetImage */
 375     NULL,                               /* pGetKerningPairs */
 376     NULL,                               /* pGetNearestColor */
 377     NULL,                               /* pGetOutlineTextMetrics */
 378     NULL,                               /* pGetPixel */
 379     NULL,                               /* pGetSystemPaletteEntries */
 380     NULL,                               /* pGetTextCharsetInfo */
 381     NULL,                               /* pGetTextExtentExPoint */
 382     NULL,                               /* pGetTextExtentExPointI */
 383     NULL,                               /* pGetTextFace */
 384     NULL,                               /* pGetTextMetrics */
 385     NULL,                               /* pGradientFill */
 386     NULL,                               /* pIntersectClipRect */
 387     NULL,                               /* pInvertRgn */
 388     NULL,                               /* pLineTo */
 389     NULL,                               /* pModifyWorldTransform */
 390     NULL,                               /* pMoveTo */
 391     NULL,                               /* pOffsetClipRgn */
 392     NULL,                               /* pOffsetViewportOrg */
 393     NULL,                               /* pOffsetWindowOrg */
 394     NULL,                               /* pPaintRgn */
 395     NULL,                               /* pPatBlt */
 396     NULL,                               /* pPie */
 397     NULL,                               /* pPolyBezier */
 398     NULL,                               /* pPolyBezierTo */
 399     NULL,                               /* pPolyDraw */
 400     NULL,                               /* pPolyPolygon */
 401     NULL,                               /* pPolyPolyline */
 402     NULL,                               /* pPolygon */
 403     NULL,                               /* pPolyline */
 404     NULL,                               /* pPolylineTo */
 405     NULL,                               /* pPutImage */
 406     NULL,                               /* pRealizeDefaultPalette */
 407     NULL,                               /* pRealizePalette */
 408     NULL,                               /* pRectangle */
 409     NULL,                               /* pResetDC */
 410     NULL,                               /* pRestoreDC */
 411     NULL,                               /* pRoundRect */
 412     NULL,                               /* pSaveDC */
 413     NULL,                               /* pScaleViewportExt */
 414     NULL,                               /* pScaleWindowExt */
 415     NULL,                               /* pSelectBitmap */
 416     NULL,                               /* pSelectBrush */
 417     NULL,                               /* pSelectClipPath */
 418     NULL,                               /* pSelectFont */
 419     NULL,                               /* pSelectPalette */
 420     NULL,                               /* pSelectPen */
 421     NULL,                               /* pSetArcDirection */
 422     NULL,                               /* pSetBkColor */
 423     NULL,                               /* pSetBkMode */
 424     NULL,                               /* pSetBoundsRect */
 425     NULL,                               /* pSetDCBrushColor */
 426     NULL,                               /* pSetDCPenColor */
 427     NULL,                               /* pSetDIBitsToDevice */
 428     NULL,                               /* pSetDeviceClipping */
 429     NULL,                               /* pSetDeviceGammaRamp */
 430     NULL,                               /* pSetLayout */
 431     NULL,                               /* pSetMapMode */
 432     NULL,                               /* pSetMapperFlags */
 433     NULL,                               /* pSetPixel */
 434     NULL,                               /* pSetPolyFillMode */
 435     NULL,                               /* pSetROP2 */
 436     NULL,                               /* pSetRelAbs */
 437     NULL,                               /* pSetStretchBltMode */
 438     NULL,                               /* pSetTextAlign */
 439     NULL,                               /* pSetTextCharacterExtra */
 440     NULL,                               /* pSetTextColor */
 441     NULL,                               /* pSetTextJustification */
 442     NULL,                               /* pSetViewportExt */
 443     NULL,                               /* pSetViewportOrg */
 444     NULL,                               /* pSetWindowExt */
 445     NULL,                               /* pSetWindowOrg */
 446     NULL,                               /* pSetWorldTransform */
 447     NULL,                               /* pStartDoc */
 448     NULL,                               /* pStartPage */
 449     NULL,                               /* pStretchBlt */
 450     NULL,                               /* pStretchDIBits */
 451     NULL,                               /* pStrokeAndFillPath */
 452     NULL,                               /* pStrokePath */
 453     NULL,                               /* pUnrealizePalette */
 454     NULL,                               /* pWidenPath */
 455     ANDROID_wine_get_wgl_driver,        /* wine_get_wgl_driver */
 456     GDI_PRIORITY_GRAPHICS_DRV           /* priority */
 457 };
 458
 459
 460 /******************************************************************************
 461  *           ANDROID_get_gdi_driver
 462  */
 463 const struct gdi_dc_funcs * CDECL ANDROID_get_gdi_driver( unsigned int version )
 464 {
 465     if (version != WINE_GDI_DRIVER_VERSION)
 466     {
 467         ERR( "version mismatch, gdi32 wants %u but wineandroid has %u\n", version, WINE_GDI_DRIVER_VERSION );
 468         return NULL;
 469     }
 470     return &android_drv_funcs;
 471 }
 472
 473
 474 static const JNINativeMethod methods[] =
 475 {
 476     { "wine_desktop_changed", "(II)V", desktop_changed },
 477     { "wine_config_changed", "(I)V", config_changed },
 478     { "wine_surface_changed", "(ILandroid/view/Surface;Z)V", surface_changed },
 479     { "wine_motion_event", "(IIIIII)Z", motion_event },
 480     { "wine_keyboard_event", "(IIII)Z", keyboard_event },
 481 };
 482
 483 #define DECL_FUNCPTR(f) typeof(f) * p##f = NULL
 484 #define LOAD_FUNCPTR(lib, func) do { \
 485     if ((p##func = wine_dlsym( lib, #func, NULL, 0 )) == NULL) \
 486         { ERR( "can't find symbol %s\n", #func); return; } \
 487     } while(0)
 488
 489 DECL_FUNCPTR( __android_log_print );
 490 DECL_FUNCPTR( ANativeWindow_fromSurface );
 491 DECL_FUNCPTR( ANativeWindow_release );
 492 DECL_FUNCPTR( hw_get_module );
 493
 494 struct gralloc_module_t *gralloc_module = NULL;
 495
 496 #ifndef DT_GNU_HASH
 497 #define DT_GNU_HASH 0x6ffffef5
 498 #endif
 499
 500 static unsigned int gnu_hash( const char *name )
 501 {
 502     unsigned int h = 5381;
 503     while (*name) h = h * 33 + (unsigned char)*name++;
 504     return h;
 505 }
 506
 507 static unsigned int hash_symbol( const char *name )
 508 {
 509     unsigned int hi, hash = 0;
 510     while (*name)
 511     {
 512         hash = (hash << 4) + (unsigned char)*name++;
 513         hi = hash & 0xf0000000;
 514         hash ^= hi;
 515         hash ^= hi >> 24;
 516     }
 517     return hash;
 518 }
 519
 520 static void *find_symbol( const struct dl_phdr_info* info, const char *var, int type )
 521 {
 522     const ElfW(Dyn) *dyn = NULL;
 523     const ElfW(Phdr) *ph;
 524     const ElfW(Sym) *symtab = NULL;
 525     const Elf32_Word *hashtab = NULL;
 526     const Elf32_Word *gnu_hashtab = NULL;
 527     const char *strings = NULL;
 528     Elf32_Word idx;
 529
 530     for (ph = info->dlpi_phdr; ph < &info->dlpi_phdr[info->dlpi_phnum]; ++ph)
 531     {
 532         if (PT_DYNAMIC == ph->p_type)
 533         {
 534             dyn = (const ElfW(Dyn) *)(info->dlpi_addr + ph->p_vaddr);
 535             break;
 536         }
 537     }
 538     if (!dyn) return NULL;
 539
 540     while (dyn->d_tag)
 541     {
 542         if (dyn->d_tag == DT_STRTAB)
 543             strings = (const char*)(info->dlpi_addr + dyn->d_un.d_ptr);
 544         if (dyn->d_tag == DT_SYMTAB)
 545             symtab = (const ElfW(Sym) *)(info->dlpi_addr + dyn->d_un.d_ptr);
 546         if (dyn->d_tag == DT_HASH)
 547             hashtab = (const Elf32_Word *)(info->dlpi_addr + dyn->d_un.d_ptr);
 548         if (dyn->d_tag == DT_GNU_HASH)
 549             gnu_hashtab = (const Elf32_Word *)(info->dlpi_addr + dyn->d_un.d_ptr);
 550         dyn++;
 551     }
 552
 553     if (!symtab || !strings) return NULL;
 554
 555     if (gnu_hashtab)  /* new style hash table */
 556     {
 557         const unsigned int hash   = gnu_hash(var);
 558         const Elf32_Word nbuckets = gnu_hashtab[0];
 559         const Elf32_Word symbias  = gnu_hashtab[1];
 560         const Elf32_Word nwords   = gnu_hashtab[2];
 561         const ElfW(Addr) *bitmask = (const ElfW(Addr) *)(gnu_hashtab + 4);
 562         const Elf32_Word *buckets = (const Elf32_Word *)(bitmask + nwords);
 563         const Elf32_Word *chains  = buckets + nbuckets - symbias;
 564
 565         if (!(idx = buckets[hash % nbuckets])) return NULL;
 566         do
 567         {
 568             if ((chains[idx] & ~1u) == (hash & ~1u) &&
 569                 ELF32_ST_BIND(symtab[idx].st_info) == STB_GLOBAL &&
 570                 ELF32_ST_TYPE(symtab[idx].st_info) == type &&
 571                 !strcmp( strings + symtab[idx].st_name, var ))
 572                 return (void *)(info->dlpi_addr + symtab[idx].st_value);
 573         } while (!(chains[idx++] & 1u));
 574     }
 575     else if (hashtab)  /* old style hash table */
 576     {
 577         const unsigned int hash   = hash_symbol( var );
 578         const Elf32_Word nbuckets = hashtab[0];
 579         const Elf32_Word *buckets = hashtab + 2;
 580         const Elf32_Word *chains  = buckets + nbuckets;
 581
 582         for (idx = buckets[hash % nbuckets]; idx; idx = chains[idx])
 583         {
 584             if (ELF32_ST_BIND(symtab[idx].st_info) == STB_GLOBAL &&
 585                 ELF32_ST_TYPE(symtab[idx].st_info) == type &&
 586                 !strcmp( strings + symtab[idx].st_name, var ))
 587                 return (void *)(info->dlpi_addr + symtab[idx].st_value);
 588         }
 589     }
 590     return NULL;
 591 }
 592
 593 static int enum_libs( struct dl_phdr_info* info, size_t size, void* data )
 594 {
 595     const char *p;
 596
 597     if (!info->dlpi_name) return 0;
 598     if (!(p = strrchr( info->dlpi_name, '/' ))) return 0;
 599     if (strcmp( p, "/libhardware.so" )) return 0;
 600     TRACE( "found libhardware at %p\n", info->dlpi_phdr );
 601     phw_get_module = find_symbol( info, "hw_get_module", STT_FUNC );
 602     return 1;
 603 }
 604
 605 static void load_hardware_libs(void)
 606 {
 607     const struct hw_module_t *module;
 608     void *libhardware;
 609     char error[256];
 610
 611     if ((libhardware = wine_dlopen( "libhardware.so", RTLD_GLOBAL, error, sizeof(error) )))
 612     {
 613         LOAD_FUNCPTR( libhardware, hw_get_module );
 614     }
 615     else
 616     {
 617         /* Android >= N disallows loading libhardware, so we load libandroid (which imports
 618          * libhardware), and then we can find libhardware in the list of loaded libraries.
 619          */
 620         if (!wine_dlopen( "libandroid.so", RTLD_GLOBAL, error, sizeof(error) ))
 621         {
 622             ERR( "failed to load libandroid.so: %s\n", error );
 623             return;
 624         }
 625         dl_iterate_phdr( enum_libs, 0 );
 626         if (!phw_get_module)
 627         {
 628             ERR( "failed to find hw_get_module\n" );
 629             return;
 630         }
 631     }
 632
 633     if (phw_get_module( GRALLOC_HARDWARE_MODULE_ID, &module ) == 0)
 634         gralloc_module = (struct gralloc_module_t *)module;
 635     else
 636         ERR( "failed to load gralloc module\n" );
 637 }
 638
 639 static void load_android_libs(void)
 640 {
 641     void *libandroid, *liblog;
 642     char error[1024];
 643
 644     if (!(libandroid = wine_dlopen( "libandroid.so", RTLD_GLOBAL, error, sizeof(error) )))
 645     {
 646         ERR( "failed to load libandroid.so: %s\n", error );
 647         return;
 648     }
 649     if (!(liblog = wine_dlopen( "liblog.so", RTLD_GLOBAL, error, sizeof(error) )))
 650     {
 651         ERR( "failed to load liblog.so: %s\n", error );
 652         return;
 653     }
 654     LOAD_FUNCPTR( liblog, __android_log_print );
 655     LOAD_FUNCPTR( libandroid, ANativeWindow_fromSurface );
 656     LOAD_FUNCPTR( libandroid, ANativeWindow_release );
 657 }
 658
 659 #undef DECL_FUNCPTR
 660 #undef LOAD_FUNCPTR
 661
 662 static BOOL process_attach(void)
 663 {
 664     jclass class;
 665     jobject object = wine_get_java_object();
 666     JNIEnv *jni_env;
 667     JavaVM *java_vm;
 668
 669     load_hardware_libs();
 670
 671     if ((java_vm = wine_get_java_vm()))  /* running under Java */
 672     {
 673 #ifdef __i386__
 674         WORD old_fs = wine_get_fs();
 675 #endif
 676         load_android_libs();
 677         (*java_vm)->AttachCurrentThread( java_vm, &jni_env, 0 );
 678         class = (*jni_env)->GetObjectClass( jni_env, object );
 679         (*jni_env)->RegisterNatives( jni_env, class, methods, sizeof(methods)/sizeof(methods[0]) );
 680         (*jni_env)->DeleteLocalRef( jni_env, class );
 681 #ifdef __i386__
 682         wine_set_fs( old_fs );  /* the Java VM hijacks %fs for its own purposes, restore it */
 683 #endif
 684     }
 685     return TRUE;
 686 }
 687
 688 /***********************************************************************
 689  *       dll initialisation routine
 690  */
 691 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 692 {
 693     switch (reason)
 694     {
 695     case DLL_PROCESS_ATTACH:
 696         DisableThreadLibraryCalls( inst );
 697         return process_attach();
 698     }
 699     return TRUE;
 700 }