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, struct mz_header_s *mz_header)
  18 {
  19 #define TAB mz_header
  20         LOAD (mz_magic);
  21     LOAD (dont_care);
  22     LOADSHORT (ne_offset);
  23 }
  24
  25 void load_ne_header (int fd, struct ne_header_s *ne_header)
  26 {
  27 #undef TAB
  28 #define TAB ne_header
  29     LOAD (ne_magic);
  30     LOADSHORT (linker_version);
  31     LOADSHORT (linker_revision);
  32     LOADSHORT (entry_tab_offset);
  33     LOADSHORT (entry_tab_length);
  34     LOAD (reserved1);
  35     LOADSHORT (format_flags);
  36     LOADSHORT (auto_data_seg);
  37     LOADSHORT (local_heap_length);
  38     LOADSHORT (stack_length);
  39     LOADSHORT (ip);
  40     LOADSHORT (cs);
  41     LOADSHORT (sp);
  42     LOADSHORT (ss);
  43     LOADSHORT (n_segment_tab);
  44     LOADSHORT (n_mod_ref_tab);
  45     LOADSHORT (nrname_tab_length);
  46     LOADSHORT (segment_tab_offset);
  47     LOADSHORT (resource_tab_offset);
  48     LOADSHORT (rname_tab_offset);
  49     LOADSHORT (moduleref_tab_offset);
  50     LOADSHORT (iname_tab_offset);
  51     LOADLONG (nrname_tab_offset);
  52     LOADSHORT (n_mov_entry_points);
  53     LOADSHORT (align_shift_count);
  54     LOADSHORT (n_resource_seg);
  55     LOAD (operating_system);
  56     LOAD (additional_flags);
  57     LOADSHORT (fastload_offset);
  58     LOADSHORT (fastload_length);
  59     LOADSHORT (reserved2);
  60     LOADSHORT (expect_version);
  61 }
  62
  63 /*
  64  * Typeinfo loading routines for non PC-architectures.
  65  */
  66
  67 int load_typeinfo (int fd, struct resource_typeinfo_s *typeinfo)
  68 {
  69 #undef TAB
  70 #define TAB typeinfo
  71     LOADSHORT (type_id);
  72     LOADSHORT (count);
  73     LOADLONG  (reserved);
  74     return 1;
  75 }
  76
  77 int load_nameinfo (int fd, struct resource_nameinfo_s *nameinfo)
  78 {
  79 #undef TAB
  80 #define TAB nameinfo
  81     LOADSHORT (offset);
  82     LOADSHORT (length);
  83     LOADSHORT (flags);
  84     LOADSHORT (id);
  85     LOADSHORT (handle);
  86     LOADSHORT (usage);
  87     return 0;
  88 }