annotate netinstall/autoload.c @ 4917:fce43cb76a1c

xlike cleanup, documentation -------------------- ChangeLog entries follow: -------------------- man/ChangeLog addition: 2010-02-03 Ben Wing <ben@xemacs.org> * internals/internals.texi (Top): * internals/internals.texi (Evaluation; Stack Frames; Bindings): * internals/internals.texi (Ben's README): * internals/internals.texi (Consoles; Devices; Frames; Windows): * internals/internals.texi (Window Hierarchy): * internals/internals.texi (The Window Object): * internals/internals.texi (Modules for the Basic Displayable Lisp Objects): * internals/internals.texi (Window-System Support): * internals/internals.texi (Creating a Window-System Type): * internals/internals.texi (Discussion -- Garbage Collection): Update the part at the top about how to maintain the file with more tips. Add a chapter on "window-system support" describing in a general way how the support for different window systems/device types works, including the separation between device-independent and device-dependent parts, device methods, the specific device types and the "xlike" pseudo-type. src/ChangeLog addition: 2010-02-03 Ben Wing <ben@xemacs.org> * Makefile.in.in: * Makefile.in.in (x_objs): * Makefile.in.in (gtk_gui_objs): * console-xlike-inc.h: * depend: * device-x.c: * emacs.c: * gccache-gtk.h: * gccache-gtk.h (gc_cache_lookup): * gccache-x.c: * gccache-x.c (GCCACHE_HASH): * gccache-x.h: * toolbar-gtk.c: * toolbar-gtk.c (gtk_initialize_frame_toolbars): * toolbar-x.c: * toolbar-x.c (x_initialize_frame_toolbars): * toolbar-xlike.c: * toolbar-xlike.c (xlike_draw_blank_toolbar_button): * toolbar-xlike.c (xlike_output_toolbar_button): * toolbar-xlike.c (xlike_get_button_size): * toolbar-xlike.c (XLIKE_OUTPUT_BUTTONS_LOOP): * toolbar-xlike.c (xlike_output_toolbar): * toolbar-xlike.c (xlike_clear_toolbar): * toolbar-xlike.c (xlike_output_frame_toolbars): * toolbar-xlike.c (xlike_clear_frame_toolbars): * toolbar-xlike.c (xlike_redraw_exposed_toolbar): * toolbar-xlike.c (xlike_redraw_exposed_toolbars): * toolbar-xlike.c (xlike_redraw_frame_toolbars): * toolbar-xlike.h: * toolbar-xlike.h (xlike_clear_frame_toolbars): Rename some files to make them consistent with general naming rules: xgccache.c -> gccache-x.c xgccache.h -> gccache-x.h toolbar-common.c -> toolbar-xlike.c toolbar-common.h -> toolbar-xlike.h Fix include-file references. Also change the names of functions in now-named toolbar-xlike.c to be xlike_foo() instead of common_foo(). Add a longish comment in console-xlike-inc.h describing the "xlike" system, how it works and what the various files are used for.
author Ben Wing <ben@xemacs.org>
date Wed, 03 Feb 2010 02:46:50 -0600
parents 3078fd1074e8
children
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1 /*
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2 * Copyright (c) 2000, Red Hat, Inc.
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; either version 2 of the License, or
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7 * (at your option) any later version.
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8 *
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9 * A copy of the GNU General Public License can be found at
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10 * http://www.gnu.org/
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11 *
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12 * Written by DJ Delorie <dj@cygnus.com>
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13 *
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14 */
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15
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16 #include "win32.h"
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17
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18 typedef struct {
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19 char *name;
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20 HINSTANCE handle;
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21 } DllInfo;
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22
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23 #define DLL(n) static DllInfo n ## _info __asm__ (#n "_info") = { #n, 0}
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24
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25 #define Auto(dll, func, size) \
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26 __asm__ ("\t.data"); \
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27 __asm__ ("\t.global\t_" #func "@" #size); \
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28 __asm__ ("_" #func "@" #size ":"); \
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29 __asm__ ("\tcall\tautoload_common"); \
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30 __asm__ ("\t.long\t" #dll "_info"); \
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31 __asm__ ("\t.ascii\t\"" #func "\\0\"")
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32
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33 DLL (wininet);
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34
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35 Auto (wininet, InternetAttemptConnect, 4);
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36 Auto (wininet, InternetCloseHandle, 4);
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37 Auto (wininet, InternetGetLastResponseInfoA, 12);
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38 Auto (wininet, InternetOpenA, 20);
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39 Auto (wininet, InternetOpenUrlA, 24);
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40 Auto (wininet, InternetReadFile, 16);
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41 Auto (wininet, InternetSetOptionA, 16);
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42 Auto (wininet, InternetQueryOptionA, 16);
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43 Auto (wininet, HttpQueryInfoA, 20);
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44 Auto (wininet, HttpSendRequestA, 20);
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45
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46 typedef struct {
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47 DllInfo *dll;
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48 char name[100];
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49 } AutoEntry;
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50
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51 static void autoload_common () __asm__ ("autoload_common");
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52
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53 static void
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54 autoload_common (int x)
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55 {
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56 int fp, rel;
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57 unsigned char *proc;
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58 HINSTANCE h;
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59 AutoEntry *a;
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60
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61 a = *(AutoEntry **)(&x - 1);
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62 if (a->dll->handle == 0)
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63 {
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64 h = LoadLibrary (a->dll->name);
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65 a->dll->handle = h;
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66 }
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67 fp = (int) GetProcAddress (a->dll->handle, a->name);
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68 proc = ((unsigned char *)a) - 5;
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69 rel = fp - (int)(a); /* now it's a relative call */
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70 *proc++ = 0xe9; /* jump near 32-bit relative */
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71 *proc++ = rel;
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72 *proc++ = rel>>8;
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73 *proc++ = rel>>16;
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74 *proc++ = rel>>24;
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75
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76 *(int *)(&x-1) = (int)proc-5;
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77 }