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