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 /* A metadata token */
   8 typedef guint32 mtoken_t;
   9
  10 typedef struct {
  11         char msdos_header [128];
  12 } msdos_header_t;
  13
  14 typedef struct {
  15         guint16  coff_machine;
  16         guint16  coff_sections;
  17         guint32  coff_time;
  18         guint32  coff_symptr;
  19         guint32  coff_symcount;
  20         guint16  coff_opt_header_size;
  21         guint16  coff_attributes;
  22 } coff_header_t;
  23
  24 #define COFF_ATTRIBUTE_EXECUTABLE_IMAGE 0x0002
  25 #define COFF_ATTRIBUTE_LIBRARY_IMAGE    0x2000
  26
  27 typedef struct {
  28         guint16 pe_magic;
  29         guchar  pe_major;
  30         guchar  pe_minor;
  31         guint32 pe_code_size;
  32         guint32 pe_data_size;
  33         guint32 pe_uninit_data_size;
  34         guint32 pe_rva_entry_point;
  35         guint32 pe_rva_code_base;
  36         guint32 pe_rva_data_base;
  37 } pe_header_t;
  38
  39 typedef struct {
  40         guint32 pe_image_base;          /* must be 0x400000 */
  41         guint32 pe_section_align;       /* must be 8192 */
  42         guint32 pe_file_alignment;      /* must be 512 or 4096 */
  43         guint16 pe_os_major;            /* must be 4 */
  44         guint16 pe_os_minor;            /* must be 0 */
  45         guint16 pe_user_major;
  46         guint16 pe_user_minor;
  47         guint16 pe_subsys_major;
  48         guint16 pe_subsys_minor;
  49         guint32 pe_reserved_1;
  50         guint32 pe_image_size;
  51         guint32 pe_header_size;
  52         guint32 pe_checksum;
  53         guint16 pe_subsys_required;
  54         guint16 pe_dll_flags;
  55         guint32 pe_stack_reserve;
  56         guint32 pe_stack_commit;
  57         guint32 pe_heap_reserve;
  58         guint32 pe_heap_commit;
  59         guint32 pe_loader_flags;
  60         guint32 pe_data_dir_count;
  61 } pe_header_nt_t;
  62
  63 typedef struct {
  64         guint32 rva;
  65         guint32 size;
  66 } pe_dir_entry_t;
  67
  68 typedef struct {
  69         pe_dir_entry_t pe_export_table;
  70         pe_dir_entry_t pe_import_table;
  71         pe_dir_entry_t pe_resource_table;
  72         pe_dir_entry_t pe_exception_table;
  73         pe_dir_entry_t pe_certificate_table;
  74         pe_dir_entry_t pe_reloc_table;
  75         pe_dir_entry_t pe_debug;
  76         pe_dir_entry_t pe_copyright;
  77         pe_dir_entry_t pe_global_ptr;
  78         pe_dir_entry_t pe_tls_table;
  79         pe_dir_entry_t pe_load_config_table;
  80         pe_dir_entry_t pe_bound_import;
  81         pe_dir_entry_t pe_iat;
  82         pe_dir_entry_t pe_delay_import_desc;
  83         pe_dir_entry_t pe_cli_header;
  84         pe_dir_entry_t pe_reserved;
  85 } pe_datadir_t;
  86
  87 typedef struct {
  88         char            pesig [4];
  89         coff_header_t   coff;
  90         pe_header_t     pe;
  91         pe_header_nt_t  nt;
  92         pe_datadir_t    datadir;
  93 } dotnet_header_t;
  94
  95 typedef struct {
  96         char    st_name [8];
  97         guint32 st_virtual_size;
  98         guint32 st_virtual_address;
  99         guint32 st_raw_data_size;
 100         guint32 st_raw_data_ptr;
 101         guint32 st_reloc_ptr;
 102         guint32 st_lineno_ptr;
 103         guint16 st_reloc_count;
 104         guint16 st_line_count;
 105
 106 #define SECT_FLAGS_HAS_CODE               0x20
 107 #define SECT_FLAGS_HAS_INITIALIZED_DATA   0x40
 108 #define SECT_FLAGS_HAS_UNINITIALIZED_DATA 0x80
 109 #define SECT_FLAGS_MEM_DISCARDABLE        0x02000000
 110 #define SECT_FLAGS_MEM_NOT_CACHED         0x04000000
 111 #define SECT_FLAGS_MEM_NOT_PAGED          0x08000000
 112 #define SECT_FLAGS_MEM_SHARED             0x10000000
 113 #define SECT_FLAGS_MEM_EXECUTE            0x20000000
 114 #define SECT_FLAGS_MEM_READ               0x40000000
 115 #define SECT_FLAGS_MEM_WRITE              0x80000000
 116         guint32 st_flags;
 117
 118 } section_table_t;
 119
 120 typedef struct {
 121         guint32        ch_size;
 122         guint16        ch_runtime_major;
 123         guint16        ch_runtime_minor;
 124         pe_dir_entry_t ch_metadata;
 125
 126 #define CLI_FLAGS_ILONLY         0x01
 127 #define CLI_FLAGS_32BITREQUIRED  0x02
 128 #define CLI_FLAGS_TRACKDEBUGDATA 0x00010000
 129         guint32        ch_flags;
 130
 131         mtoken_t       ch_entry_point;
 132         pe_dir_entry_t ch_resources;
 133         pe_dir_entry_t ch_strong_name;
 134         pe_dir_entry_t ch_code_manager_table;
 135         pe_dir_entry_t ch_vtable_fixups;
 136         pe_dir_entry_t ch_export_address_table_jumps;
 137
 138         /* The following are zero in the current docs */
 139         pe_dir_entry_t ch_eeinfo_table;
 140         pe_dir_entry_t ch_helper_table;
 141         pe_dir_entry_t ch_dynamic_info;
 142         pe_dir_entry_t ch_delay_load_info;
 143         pe_dir_entry_t ch_module_image;
 144         pe_dir_entry_t ch_external_fixups;
 145         pe_dir_entry_t ch_ridmap;
 146         pe_dir_entry_t ch_debug_map;
 147         pe_dir_entry_t ch_ip_map;
 148 } cli_header_t;
 149
 150 /* This is not an on-disk structure */
 151 typedef struct {
 152         dotnet_header_t   cli_header;
 153         int               cli_section_count;
 154         section_table_t  *cli_section_tables;
 155         void            **cli_sections;
 156         cli_header_t      cli_cli_header;
 157
 158         metadata_t        cli_metadata;
 159 } cli_image_info_t;
 160
 161 guint32       cli_rva_image_map (cli_image_info_t *iinfo, guint32 rva);
 162 char         *cli_rva_map       (cli_image_info_t *iinfo, guint32 rva);
 163
 164 #endif /* __MONO_CIL_COFF_H__ */