mono/mini/mini-cross-helpers.c

   1 /**
   2  * \file
   3  */
   4
   5 #include "config.h"
   6
   7 #include <stdio.h>
   8
   9 #include "config.h"
  10
  11 #include "mini.h"
  12 #include "mini-runtime.h"
  13 #include "interp/interp.h"
  14 #include "tasklets.h"
  15 #include <mono/metadata/abi-details.h>
  16
  17 void
  18 mono_dump_metadata_offsets (void);
  19
  20 void
  21 mono_metadata_cross_helpers_run (void);
  22
  23
  24 static void
  25 mono_dump_jit_offsets (void)
  26 {
  27 #ifdef USED_CROSS_COMPILER_OFFSETS
  28         g_print ("#error not using native offsets\n");
  29 #else
  30         mono_dump_metadata_offsets ();
  31
  32         g_print ("#ifndef DISABLE_JIT_OFFSETS\n");
  33         g_print ("#define USED_CROSS_COMPILER_OFFSETS\n");
  34 #define DISABLE_METADATA_OFFSETS
  35 #define DECL_OFFSET2(struct,field,offset) this_should_not_happen
  36 #define DECL_ALIGN2(type,size) this_should_not_happen
  37
  38 #define DECL_OFFSET(struct,field) g_print ("DECL_OFFSET2(%s,%s,%d)\n", #struct, #field, (int)MONO_STRUCT_OFFSET (struct, field));
  39 #define DECL_ALIGN(type)
  40 #define DECL_SIZE2(type,size) this_should_not_happen
  41 #define DECL_SIZE(type)
  42 #include <mono/metadata/object-offsets.h>
  43
  44         g_print ("#endif //disable jit check\n");
  45         g_print ("#endif //cross compiler checks\n");
  46         g_print ("#endif //gc check\n");
  47         g_print ("#endif //os check\n");
  48         g_print ("#endif //arch check\n");
  49         g_print ("#endif //USED_CROSS_COMPILER_OFFSETS check\n");
  50 #endif
  51 }
  52
  53 /*
  54  * mono_cross_helpers_run:
  55  *
  56  *   Check that the offsets given by object-offsets.h match the offsets
  57  * on the host.
  58  */
  59 void
  60 mono_cross_helpers_run (void)
  61 {
  62 #if defined (HAS_CROSS_COMPILER_OFFSETS) && !defined (MONO_CROSS_COMPILE)
  63         gboolean is_broken = FALSE;
  64 #endif
  65
  66 #ifndef USED_CROSS_COMPILER_OFFSETS
  67         if (g_hasenv ("DUMP_CROSS_OFFSETS"))
  68                 mono_dump_jit_offsets ();
  69 #endif
  70
  71 #if defined (HAS_CROSS_COMPILER_OFFSETS) && !defined (MONO_CROSS_COMPILE)
  72         mono_metadata_cross_helpers_run ();
  73
  74         /* The metadata offsets are already checked above */
  75 #define DISABLE_METADATA_OFFSETS
  76 #define USE_CROSS_COMPILE_OFFSETS
  77 #define DECL_OFFSET(struct,field) this_should_not_happen_for_cross_fields
  78 #define DECL_OFFSET2(struct,field,offset) \
  79          if ((int)G_STRUCT_OFFSET (struct, field) != offset) { \
  80                 g_print (#struct ":" #field " invalid struct offset %d (expected %d)\n",        \
  81                         offset, \
  82                         (int)G_STRUCT_OFFSET (struct, field));  \
  83                 is_broken = TRUE;       \
  84         }
  85 #define DECL_ALIGN(name,type) this_should_not_happen_for_cross_align
  86 #define DECL_ALIGN2(name,size) \
  87          if (MONO_ALIGN_ ## name != size) { \
  88                 g_print (#name ": invalid alignment %d (expected %d)\n",        \
  89                 size,   \
  90                 MONO_ALIGN_ ## name);   \
  91                 is_broken = TRUE;       \
  92         }
  93 #define DECL_SIZE(type) this_should_not_happen_for_cross_size
  94 #define DECL_SIZE2(name,size) \
  95          if (MONO_SIZEOF_ ## name != size) { \
  96                 g_print (#name ": invalid size %d (expected %d)\n",     \
  97                 size,   \
  98                 MONO_SIZEOF_ ## name);  \
  99                 is_broken = TRUE;       \
 100         }
 101
 102 #include <mono/metadata/object-offsets.h>
 103
 104         g_assert (!is_broken);
 105 #endif
 106 }