arch/all-hosted/hidd/x11/x11_hostlib.c

   1 /*
   2     Copyright © 1995-2016, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include "x11_debug.h"
   7
   8 #include <aros/symbolsets.h>
   9
  10 #include "x11_types.h"
  11 #include LC_LIBDEFS_FILE
  12 #include "x11_hostlib.h"
  13
  14 void *x11_handle = NULL;
  15 void *libc_handle = NULL;
  16 void *xf86vm_handle = NULL;
  17 #if !X11SOFTMOUSE
  18 void *xcursor_handle = NULL;
  19 #endif
  20
  21 struct x11_func x11_func;
  22 struct libc_func libc_func;
  23 struct xf86vm_func xf86vm_func;
  24 #if !X11SOFTMOUSE
  25 struct xcursor_func xcursor_func;
  26 #endif
  27
  28 static const char *xf86vm_func_names[] = {
  29     "XF86VidModeGetAllModeLines",
  30     "XF86VidModeSwitchToMode",
  31     "XF86VidModeSetViewPort",
  32     "XF86VidModeQueryVersion",
  33     "XF86VidModeQueryExtension"
  34 };
  35
  36 #define XF86VM_NUM_FUNCS (5)
  37
  38 static const char *x11_func_names[] = {
  39     "XCreateImage",
  40     "XInitImage",
  41     "XGetImage",
  42     "XOpenDisplay",
  43     "XDisplayName",
  44     "XInternAtom",
  45     "XCreateColormap",
  46     "XCreatePixmapCursor",
  47     "XCreateFontCursor",
  48     "XCreateGC",
  49     "XCreatePixmap",
  50     "XCreateSimpleWindow",
  51     "XCreateWindow",
  52     "XLookupKeysym",
  53     "XMaxRequestSize",
  54     "XVisualIDFromVisual",
  55     "XSetErrorHandler",
  56     "XSetIOErrorHandler",
  57     "XSetWMHints",
  58     "XGetWMHints",
  59     "XSetWMNormalHints",
  60     "XSetWMProtocols",
  61     "XAutoRepeatOff",
  62     "XAutoRepeatOn",
  63     "XChangeGC",
  64     "XChangeProperty",
  65     "XChangeWindowAttributes",
  66     "XClearArea",
  67     "XCloseDisplay",
  68     "XConfigureWindow",
  69     "XConvertSelection",
  70     "XCopyArea",
  71     "XCopyPlane",
  72     "XDefineCursor",
  73     "XDeleteProperty",
  74     "XDestroyWindow",
  75     "XDrawArc",
  76     "XDrawLine",
  77     "XDrawPoint",
  78     "XDrawString",
  79     "XEventsQueued",
  80     "XFillRectangle",
  81     "XFlush",
  82     "XFree",
  83     "XFreeColormap",
  84     "XFreeGC",
  85     "XFreePixmap",
  86     "XGetErrorText",
  87     "XGetVisualInfo",
  88     "XGetWindowProperty",
  89     "XGetWindowAttributes",
  90     "XGrabKeyboard",
  91     "XGrabPointer",
  92     "XMapRaised",
  93     "XMapWindow",
  94     "XNextEvent",
  95     "XParseGeometry",
  96     "XPending",
  97     "XPutImage",
  98     "XRecolorCursor",
  99     "XRefreshKeyboardMapping",
 100     "XSelectInput",
 101     "XSendEvent",
 102     "XSetBackground",
 103     "XSetClipMask",
 104     "XSetClipRectangles",
 105     "XSetFillStyle",
 106     "XSetForeground",
 107     "XSetFunction",
 108     "XSetIconName",
 109     "XSetSelectionOwner",
 110     "XStoreColor",
 111     "XStoreName",
 112     "XSync",
 113     "XAllocColor",
 114     "XLookupString",
 115     "XQueryExtension",
 116     "XDefaultScreen",
 117     "XRootWindow",
 118     "XAllocClassHint",
 119     "XSetClassHint",
 120     "XSetInputFocus"
 121 #if DEBUG_X11_SYNCHRON
 122     , "XSynchronize"
 123 #endif
 124 };
 125
 126 #if DEBUG_X11_SYNCHRON
 127 #define X11_NUM_FUNCS (83)
 128 #else
 129 #define X11_NUM_FUNCS (82)
 130 #endif
 131
 132
 133 static const char *libc_func_names[] = {
 134 #if USE_XSHM
 135     "ftok",
 136     "shmctl",
 137     "shmget",
 138     "shmat",
 139     "shmdt",
 140 #endif
 141     "raise"
 142 };
 143
 144 #if USE_XSHM
 145 #define LIBC_NUM_FUNCS (6)
 146 #else
 147 #define LIBC_NUM_FUNCS (1)
 148 #endif
 149
 150 #if !X11SOFTMOUSE
 151 static const char *xcursor_func_names[] = {
 152     "XcursorImageCreate",
 153     "XcursorImageDestroy",
 154     "XcursorImageLoadCursor"
 155 };
 156
 157 #define XCURSOR_NUM_FUNCS (3)
 158 #endif
 159
 160 void *HostLibBase;
 161
 162 void *x11_hostlib_load_so(const char *sofile, const char **names, int nfuncs, void **funcptr)
 163 {
 164     void *handle;
 165     char *err;
 166     int i;
 167
 168     D(bug("[X11host] %s('%s')\n", __PRETTY_FUNCTION__, sofile));
 169
 170     D(bug("[X11host] %s: attempting to load %d functions\n", __PRETTY_FUNCTION__, nfuncs));
 171
 172     if ((handle = HostLib_Open(sofile, &err)) == NULL) {
 173         bug("[X11host] %s: failed to open '%s': %s\n", __PRETTY_FUNCTION__, sofile, err);
 174         return NULL;
 175     }
 176
 177     for (i = 0; i < nfuncs; i++) {
 178         funcptr[i] = HostLib_GetPointer(handle, names[i], &err);
 179         D(bug("[X11host] %s: 0x%p = '%s'\n", __PRETTY_FUNCTION__, funcptr[i], names[i]));
 180         if (err != NULL) {
 181             bug("[X11host] %s: failed to get symbol '%s' (%s)\n", __PRETTY_FUNCTION__, names[i], err);
 182             HostLib_Close(handle, NULL);
 183             return NULL;
 184         }
 185     }
 186
 187     return handle;
 188 }
 189
 190 static int x11_hostlib_init(LIBBASETYPEPTR LIBBASE)
 191 {
 192     D(bug("[X11host] %s()\n", __PRETTY_FUNCTION__));
 193
 194     if ((HostLibBase = OpenResource("hostlib.resource")) == NULL) {
 195         bug("[X11host] %s: failed to open hostlib.resource!\n", __PRETTY_FUNCTION__);
 196         return FALSE;
 197     }
 198
 199 #if !X11SOFTMOUSE
 200     if ((xcursor_handle = x11_hostlib_load_so(XCURSOR_SOFILE,
 201         xcursor_func_names, XCURSOR_NUM_FUNCS, (void **) &xcursor_func))
 202         == NULL)
 203         return FALSE;
 204 #endif
 205
 206     if ((xf86vm_handle = x11_hostlib_load_so(XF86VM_SOFILE, xf86vm_func_names, XF86VM_NUM_FUNCS, (void **) &xf86vm_func)) == NULL)
 207         return FALSE;
 208
 209     if ((x11_handle = x11_hostlib_load_so(X11_SOFILE, x11_func_names, X11_NUM_FUNCS, (void **) &x11_func)) == NULL)
 210         return FALSE;
 211
 212     if ((libc_handle = x11_hostlib_load_so(LIBC_SOFILE, libc_func_names, LIBC_NUM_FUNCS, (void **) &libc_func)) == NULL) {
 213         HostLib_Close(x11_handle, NULL);
 214         return FALSE;
 215     }
 216
 217     return TRUE;
 218 }
 219
 220 static int x11_hostlib_expunge(LIBBASETYPEPTR LIBBASE)
 221 {
 222     D(bug("[X11host] %s()\n", __PRETTY_FUNCTION__));
 223
 224 #if !X11SOFTMOUSE
 225     if (xcursor_handle != NULL)
 226         HostLib_Close(xcursor_handle, NULL);
 227 #endif
 228
 229     if (xf86vm_handle != NULL)
 230         HostLib_Close(xf86vm_handle, NULL);
 231
 232     if (x11_handle != NULL)
 233         HostLib_Close(x11_handle, NULL);
 234
 235     if (libc_handle != NULL)
 236         HostLib_Close(libc_handle, NULL);
 237
 238     return TRUE;
 239 }
 240
 241 ADD2INITLIB(x11_hostlib_init, 0)
 242 ADD2EXPUNGELIB(x11_hostlib_expunge, 0)
 243