library/sup.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include "windows.h"
   4 #include "arch.h"
   5 #include "neexe.h"
   6
   7 /*
   8  * Header loading routines for WineLib.
   9  */
  10
  11 /* LOADSHORT Calls LOAD and swaps the high and the low bytes */
  12
  13 #define LOAD(x)  read (fd, &TAB->x, sizeof (TAB->x))
  14 #define LOADSHORT(x) LOAD(x); TAB->x = CONV_SHORT (TAB->x);
  15 #define LOADLONG(x) LOAD(x);  TAB->x = CONV_LONG (TAB->x);
  16
  17 void load_mz_header (int fd, LPIMAGE_DOS_HEADER mz_header)
  18 {
  19 #define TAB mz_header
  20         LOAD(e_magic);
  21         LOADSHORT(e_cblp);
  22         LOADSHORT(e_cp);
  23         LOADSHORT(e_crlc);
  24         LOADSHORT(e_cparhdr);
  25         LOADSHORT(e_minalloc);
  26         LOADSHORT(e_maxalloc);
  27         LOADSHORT(e_ss);
  28         LOADSHORT(e_sp);
  29         LOADSHORT(e_csum);
  30         LOADSHORT(e_ip);
  31         LOADSHORT(e_cs);
  32         LOADSHORT(e_lfarlc);
  33         LOADSHORT(e_ovno);
  34         LOAD(e_res);
  35         LOADSHORT(e_oemid);
  36         LOADSHORT(e_oeminfo);
  37         LOAD(e_res2);
  38         LOADLONG(e_lfanew);
  39 }
  40
  41 void load_ne_header (int fd, LPIMAGE_OS2_HEADER ne_header)
  42 {
  43 #undef TAB
  44 #define TAB ne_header
  45     LOAD (ne_magic);
  46     LOADSHORT (linker_version);
  47     LOADSHORT (linker_revision);
  48     LOADSHORT (entry_tab_offset);
  49     LOADSHORT (entry_tab_length);
  50     LOAD (reserved1);
  51     LOADSHORT (format_flags);
  52     LOADSHORT (auto_data_seg);
  53     LOADSHORT (local_heap_length);
  54     LOADSHORT (stack_length);
  55     LOADSHORT (ip);
  56     LOADSHORT (cs);
  57     LOADSHORT (sp);
  58     LOADSHORT (ss);
  59     LOADSHORT (n_segment_tab);
  60     LOADSHORT (n_mod_ref_tab);
  61     LOADSHORT (nrname_tab_length);
  62     LOADSHORT (segment_tab_offset);
  63     LOADSHORT (resource_tab_offset);
  64     LOADSHORT (rname_tab_offset);
  65     LOADSHORT (moduleref_tab_offset);
  66     LOADSHORT (iname_tab_offset);
  67     LOADLONG (nrname_tab_offset);
  68     LOADSHORT (n_mov_entry_points);
  69     LOADSHORT (align_shift_count);
  70     LOADSHORT (n_resource_seg);
  71     LOAD (operating_system);
  72     LOAD (additional_flags);
  73     LOADSHORT (fastload_offset);
  74     LOADSHORT (fastload_length);
  75     LOADSHORT (reserved2);
  76     LOADSHORT (expect_version);
  77 }
  78
  79 /*
  80  * Typeinfo loading routines for non PC-architectures.
  81  */
  82
  83 int load_typeinfo (int fd, struct resource_typeinfo_s *typeinfo)
  84 {
  85 #undef TAB
  86 #define TAB typeinfo
  87     LOADSHORT (type_id);
  88     LOADSHORT (count);
  89     LOADLONG  (reserved);
  90     return 1;
  91 }
  92
  93 int load_nameinfo (int fd, struct resource_nameinfo_s *nameinfo)
  94 {
  95 #undef TAB
  96 #define TAB nameinfo
  97     LOADSHORT (offset);
  98     LOADSHORT (length);
  99     LOADSHORT (flags);
 100     LOADSHORT (id);
 101     LOADSHORT (handle);
 102     LOADSHORT (usage);
 103     return 0;
 104 }