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 /* 128 bytes */
  31 typedef struct {
  32         char    msdos_header [60];
  33         guint32 pe_offset;
  34         char    msdos_header2 [64];
  35 } MonoMSDOSHeader;
  36
  37 /* 20 bytes */
  38 typedef struct {
  39         guint16  coff_machine;
  40         guint16  coff_sections;
  41         guint32  coff_time;
  42         guint32  coff_symptr;
  43         guint32  coff_symcount;
  44         guint16  coff_opt_header_size;
  45         guint16  coff_attributes;
  46 } MonoCOFFHeader;
  47
  48 #define COFF_ATTRIBUTE_EXECUTABLE_IMAGE 0x0002
  49 #define COFF_ATTRIBUTE_LIBRARY_IMAGE    0x2000
  50
  51 /* 28 bytes */
  52 typedef struct {
  53         guint16 pe_magic;
  54         guchar  pe_major;
  55         guchar  pe_minor;
  56         guint32 pe_code_size;
  57         guint32 pe_data_size;
  58         guint32 pe_uninit_data_size;
  59         guint32 pe_rva_entry_point;
  60         guint32 pe_rva_code_base;
  61         guint32 pe_rva_data_base;
  62 } MonoPEHeader;
  63
  64 /* 68 bytes */
  65 typedef struct {
  66         guint32 pe_image_base;          /* must be 0x400000 */
  67         guint32 pe_section_align;       /* must be 8192 */
  68         guint32 pe_file_alignment;      /* must be 512 or 4096 */
  69         guint16 pe_os_major;            /* must be 4 */
  70         guint16 pe_os_minor;            /* must be 0 */
  71         guint16 pe_user_major;
  72         guint16 pe_user_minor;
  73         guint16 pe_subsys_major;
  74         guint16 pe_subsys_minor;
  75         guint32 pe_reserved_1;
  76         guint32 pe_image_size;
  77         guint32 pe_header_size;
  78         guint32 pe_checksum;
  79         guint16 pe_subsys_required;
  80         guint16 pe_dll_flags;
  81         guint32 pe_stack_reserve;
  82         guint32 pe_stack_commit;
  83         guint32 pe_heap_reserve;
  84         guint32 pe_heap_commit;
  85         guint32 pe_loader_flags;
  86         guint32 pe_data_dir_count;
  87 } MonoPEHeaderNT;
  88
  89 typedef struct {
  90         guint32 rva;
  91         guint32 size;
  92 } MonoPEDirEntry;
  93
  94 /* 128 bytes */
  95 typedef struct {
  96         MonoPEDirEntry pe_export_table;
  97         MonoPEDirEntry pe_import_table;
  98         MonoPEDirEntry pe_resource_table;
  99         MonoPEDirEntry pe_exception_table;
 100         MonoPEDirEntry pe_certificate_table;
 101         MonoPEDirEntry pe_reloc_table;
 102         MonoPEDirEntry pe_debug;
 103         MonoPEDirEntry pe_copyright;
 104         MonoPEDirEntry pe_global_ptr;
 105         MonoPEDirEntry pe_tls_table;
 106         MonoPEDirEntry pe_load_config_table;
 107         MonoPEDirEntry pe_bound_import;
 108         MonoPEDirEntry pe_iat;
 109         MonoPEDirEntry pe_delay_import_desc;
 110         MonoPEDirEntry pe_cli_header;
 111         MonoPEDirEntry pe_reserved;
 112 } MonoPEDatadir;
 113
 114 /* 248 bytes */
 115 typedef struct {
 116         char            pesig [4];
 117         MonoCOFFHeader  coff;
 118         MonoPEHeader    pe;
 119         MonoPEHeaderNT  nt;
 120         MonoPEDatadir   datadir;
 121 } MonoDotNetHeader;
 122
 123 typedef struct {
 124         char    st_name [8];
 125         guint32 st_virtual_size;
 126         guint32 st_virtual_address;
 127         guint32 st_raw_data_size;
 128         guint32 st_raw_data_ptr;
 129         guint32 st_reloc_ptr;
 130         guint32 st_lineno_ptr;
 131         guint16 st_reloc_count;
 132         guint16 st_line_count;
 133
 134 #define SECT_FLAGS_HAS_CODE               0x20
 135 #define SECT_FLAGS_HAS_INITIALIZED_DATA   0x40
 136 #define SECT_FLAGS_HAS_UNINITIALIZED_DATA 0x80
 137 #define SECT_FLAGS_MEM_DISCARDABLE        0x02000000
 138 #define SECT_FLAGS_MEM_NOT_CACHED         0x04000000
 139 #define SECT_FLAGS_MEM_NOT_PAGED          0x08000000
 140 #define SECT_FLAGS_MEM_SHARED             0x10000000
 141 #define SECT_FLAGS_MEM_EXECUTE            0x20000000
 142 #define SECT_FLAGS_MEM_READ               0x40000000
 143 #define SECT_FLAGS_MEM_WRITE              0x80000000
 144         guint32 st_flags;
 145
 146 } MonoSectionTable;
 147
 148 typedef struct {
 149         guint32        ch_size;
 150         guint16        ch_runtime_major;
 151         guint16        ch_runtime_minor;
 152         MonoPEDirEntry ch_metadata;
 153
 154 #define CLI_FLAGS_ILONLY         0x01
 155 #define CLI_FLAGS_32BITREQUIRED  0x02
 156 #define CLI_FLAGS_TRACKDEBUGDATA 0x00010000
 157         guint32        ch_flags;
 158
 159         guint32        ch_entry_point;
 160         MonoPEDirEntry ch_resources;
 161         MonoPEDirEntry ch_strong_name;
 162         MonoPEDirEntry ch_code_manager_table;
 163         MonoPEDirEntry ch_vtable_fixups;
 164         MonoPEDirEntry ch_export_address_table_jumps;
 165
 166         /* The following are zero in the current docs */
 167         MonoPEDirEntry ch_eeinfo_table;
 168         MonoPEDirEntry ch_helper_table;
 169         MonoPEDirEntry ch_dynamic_info;
 170         MonoPEDirEntry ch_delay_load_info;
 171         MonoPEDirEntry ch_module_image;
 172         MonoPEDirEntry ch_external_fixups;
 173         MonoPEDirEntry ch_ridmap;
 174         MonoPEDirEntry ch_debug_map;
 175         MonoPEDirEntry ch_ip_map;
 176 } MonoCLIHeader;
 177
 178 /* This is not an on-disk structure */
 179 typedef struct {
 180         MonoDotNetHeader  cli_header;
 181         int               cli_section_count;
 182         MonoSectionTable  *cli_section_tables;
 183         void            **cli_sections;
 184         MonoCLIHeader     cli_cli_header;
 185 } MonoCLIImageInfo;
 186
 187 guint32       mono_cli_rva_image_map (MonoCLIImageInfo *iinfo, guint32 rva);
 188 char         *mono_cli_rva_map       (MonoCLIImageInfo *iinfo, guint32 rva);
 189
 190 #endif /* __MONO_CIL_COFF_H__ */