mono/metadata/cil-coff.h

   1
   2 #ifndef __MONO_CIL_COFF_H__
   3 #define __MONO_CIL_COFF_H__
   4
   5 #include <mono/metadata/metadata.h>
   6
   7 /*
   8  * 25.2.1: Method header type values
   9  */
  10 #define METHOD_HEADER_FORMAT_MASK   7
  11 #define METHOD_HEADER_TINY_FORMAT   2
  12 #define METHOD_HEADER_TINY_FORMAT1  6
  13 #define METHOD_HEADER_FAT_FORMAT    3
  14
  15 /*
  16  * 25.2.3.1: Flags for method headers
  17  */
  18 #define METHOD_HEADER_INIT_LOCALS   0x10
  19 #define METHOD_HEADER_MORE_SECTS    0x08
  20
  21 /*
  22  * For section data (25.3)
  23  */
  24 #define METHOD_HEADER_SECTION_RESERVED    0
  25 #define METHOD_HEADER_SECTION_EHTABLE     1
  26 #define METHOD_HEADER_SECTION_OPTIL_TABLE 2
  27 #define METHOD_HEADER_SECTION_FAT_FORMAT  0x40
  28 #define METHOD_HEADER_SECTION_MORE_SECTS  0x80
  29
  30 typedef struct {
  31         char msdos_header [128];
  32 } MonoMSDOSHeader;
  33
  34 typedef struct {
  35         guint16  coff_machine;
  36         guint16  coff_sections;
  37         guint32  coff_time;
  38         guint32  coff_symptr;
  39         guint32  coff_symcount;
  40         guint16  coff_opt_header_size;
  41         guint16  coff_attributes;
  42 } MonoCOFFHeader;
  43
  44 #define COFF_ATTRIBUTE_EXECUTABLE_IMAGE 0x0002
  45 #define COFF_ATTRIBUTE_LIBRARY_IMAGE    0x2000
  46
  47 typedef struct {
  48         guint16 pe_magic;
  49         guchar  pe_major;
  50         guchar  pe_minor;
  51         guint32 pe_code_size;
  52         guint32 pe_data_size;
  53         guint32 pe_uninit_data_size;
  54         guint32 pe_rva_entry_point;
  55         guint32 pe_rva_code_base;
  56         guint32 pe_rva_data_base;
  57 } MonoPEHeader;
  58
  59 typedef struct {
  60         guint32 pe_image_base;          /* must be 0x400000 */
  61         guint32 pe_section_align;       /* must be 8192 */
  62         guint32 pe_file_alignment;      /* must be 512 or 4096 */
  63         guint16 pe_os_major;            /* must be 4 */
  64         guint16 pe_os_minor;            /* must be 0 */
  65         guint16 pe_user_major;
  66         guint16 pe_user_minor;
  67         guint16 pe_subsys_major;
  68         guint16 pe_subsys_minor;
  69         guint32 pe_reserved_1;
  70         guint32 pe_image_size;
  71         guint32 pe_header_size;
  72         guint32 pe_checksum;
  73         guint16 pe_subsys_required;
  74         guint16 pe_dll_flags;
  75         guint32 pe_stack_reserve;
  76         guint32 pe_stack_commit;
  77         guint32 pe_heap_reserve;
  78         guint32 pe_heap_commit;
  79         guint32 pe_loader_flags;
  80         guint32 pe_data_dir_count;
  81 } MonoPEHeaderNT;
  82
  83 typedef struct {
  84         guint32 rva;
  85         guint32 size;
  86 } MonoPEDirEntry;
  87
  88 typedef struct {
  89         MonoPEDirEntry pe_export_table;
  90         MonoPEDirEntry pe_import_table;
  91         MonoPEDirEntry pe_resource_table;
  92         MonoPEDirEntry pe_exception_table;
  93         MonoPEDirEntry pe_certificate_table;
  94         MonoPEDirEntry pe_reloc_table;
  95         MonoPEDirEntry pe_debug;
  96         MonoPEDirEntry pe_copyright;
  97         MonoPEDirEntry pe_global_ptr;
  98         MonoPEDirEntry pe_tls_table;
  99         MonoPEDirEntry pe_load_config_table;
 100         MonoPEDirEntry pe_bound_import;
 101         MonoPEDirEntry pe_iat;
 102         MonoPEDirEntry pe_delay_import_desc;
 103         MonoPEDirEntry pe_cli_header;
 104         MonoPEDirEntry pe_reserved;
 105 } MonoPEDatadir;
 106
 107 typedef struct {
 108         char            pesig [4];
 109         MonoCOFFHeader  coff;
 110         MonoPEHeader    pe;
 111         MonoPEHeaderNT  nt;
 112         MonoPEDatadir   datadir;
 113 } MonoDotNetHeader;
 114
 115 typedef struct {
 116         char    st_name [8];
 117         guint32 st_virtual_size;
 118         guint32 st_virtual_address;
 119         guint32 st_raw_data_size;
 120         guint32 st_raw_data_ptr;
 121         guint32 st_reloc_ptr;
 122         guint32 st_lineno_ptr;
 123         guint16 st_reloc_count;
 124         guint16 st_line_count;
 125
 126 #define SECT_FLAGS_HAS_CODE               0x20
 127 #define SECT_FLAGS_HAS_INITIALIZED_DATA   0x40
 128 #define SECT_FLAGS_HAS_UNINITIALIZED_DATA 0x80
 129 #define SECT_FLAGS_MEM_DISCARDABLE        0x02000000
 130 #define SECT_FLAGS_MEM_NOT_CACHED         0x04000000
 131 #define SECT_FLAGS_MEM_NOT_PAGED          0x08000000
 132 #define SECT_FLAGS_MEM_SHARED             0x10000000
 133 #define SECT_FLAGS_MEM_EXECUTE            0x20000000
 134 #define SECT_FLAGS_MEM_READ               0x40000000
 135 #define SECT_FLAGS_MEM_WRITE              0x80000000
 136         guint32 st_flags;
 137
 138 } MonoSectionTable;
 139
 140 typedef struct {
 141         guint32        ch_size;
 142         guint16        ch_runtime_major;
 143         guint16        ch_runtime_minor;
 144         MonoPEDirEntry ch_metadata;
 145
 146 #define CLI_FLAGS_ILONLY         0x01
 147 #define CLI_FLAGS_32BITREQUIRED  0x02
 148 #define CLI_FLAGS_TRACKDEBUGDATA 0x00010000
 149         guint32        ch_flags;
 150
 151         guint32        ch_entry_point;
 152         MonoPEDirEntry ch_resources;
 153         MonoPEDirEntry ch_strong_name;
 154         MonoPEDirEntry ch_code_manager_table;
 155         MonoPEDirEntry ch_vtable_fixups;
 156         MonoPEDirEntry ch_export_address_table_jumps;
 157
 158         /* The following are zero in the current docs */
 159         MonoPEDirEntry ch_eeinfo_table;
 160         MonoPEDirEntry ch_helper_table;
 161         MonoPEDirEntry ch_dynamic_info;
 162         MonoPEDirEntry ch_delay_load_info;
 163         MonoPEDirEntry ch_module_image;
 164         MonoPEDirEntry ch_external_fixups;
 165         MonoPEDirEntry ch_ridmap;
 166         MonoPEDirEntry ch_debug_map;
 167         MonoPEDirEntry ch_ip_map;
 168 } MonoCLIHeader;
 169
 170 /* This is not an on-disk structure */
 171 typedef struct {
 172         MonoDotNetHeader  cli_header;
 173         int               cli_section_count;
 174         MonoSectionTable  *cli_section_tables;
 175         void            **cli_sections;
 176         MonoCLIHeader     cli_cli_header;
 177 } MonoCLIImageInfo;
 178
 179 guint32       mono_cli_rva_image_map (MonoCLIImageInfo *iinfo, guint32 rva);
 180 char         *mono_cli_rva_map       (MonoCLIImageInfo *iinfo, guint32 rva);
 181
 182 #endif /* __MONO_CIL_COFF_H__ */