efi/wrapper.h

   1 #ifndef EFI_WRAPPER_H
   2 #define EFI_WRAPPER_H
   3
   4 #define MSDOS_SIGNATURE 0x5a4d
   5 #define PE_SIGNATURE    0x4550
   6 #define PE32_FORMAT     0x10b
   7 #define PE32P_FORMAT    0x20b   /* PE32+ */
   8
   9 #define IMAGE_FILE_MACHINE_I386                 0x14c
  10 #define IMAGE_FILE_MACHINE_X86_64               0x8664
  11 #define IMAGE_FILE_EXECUTABLE_IMAGE             0x0002
  12 #define IMAGE_FILE_LINE_NUMBERS_STRIPPED        0x0004
  13 #define IMAGE_FILE_32BIT_MACHINE                0x0100
  14 #define IMAGE_FILE_DEBUG_STRIPPED               0x0200
  15
  16 #define IMAGE_SUBSYSTEM_EFI_APPLICATION         0x0a
  17
  18 #define IMAGE_SCN_CNT_CODE              0x00000020
  19 #define IMAGE_SCN_CNT_INITIALIZED_DATA  0x00000040
  20 #define IMAGE_SCN_ALIGN_1BYTES          0x00100000
  21 #define IMAGE_SCN_ALIGN_16BYTES         0x00500000
  22 #define IMAGE_SCN_MEM_DISCARDABLE       0x02000000
  23 #define IMAGE_SCN_MEM_EXECUTE           0x20000000
  24 #define IMAGE_SCN_MEM_READ              0x40000000
  25
  26 #define __packed        __attribute__((packed))
  27 #define OFFSETOF(t,m)   ((size_t)&((t *)0)->m)
  28
  29 struct header {
  30         __uint16_t msdos_signature;
  31         __uint8_t _pad1[0x3c - 2];
  32         __uint32_t pe_hdr;
  33         __uint16_t pe_signature;
  34         __uint16_t _pad2;
  35 } __packed;
  36
  37 /* FIXME: when setting up coff_hdr, set up optional_hdr_sz
  38  * based on PE32 or PE32+ format
  39  */
  40 /*
  41  * COFF header
  42  */
  43 struct coff_hdr {
  44         __uint16_t arch;
  45         __uint16_t nr_sections;
  46         __uint32_t timedatestamp;
  47         __uint32_t symtab;
  48         __uint32_t nr_syms;
  49         __uint16_t optional_hdr_sz;
  50         __uint16_t characteristics;
  51 } __packed;
  52
  53 struct optional_hdr {
  54         __uint16_t format;
  55         __uint8_t major_linker_version;
  56         __uint8_t minor_linker_version;
  57         __uint32_t code_sz;
  58         __uint32_t initialized_data_sz;
  59         __uint32_t uninitialized_data_sz;
  60         __uint32_t entry_point;
  61         __uint32_t base_code;
  62         __uint32_t data;
  63 } __packed;
  64
  65 /* For PE32+, the optional_header does NOT have
  66  * data after base_code
  67  */
  68 struct optional_hdr_pe32p {
  69         __uint16_t format;
  70         __uint8_t major_linker_version;
  71         __uint8_t minor_linker_version;
  72         __uint32_t code_sz;
  73         __uint32_t initialized_data_sz;
  74         __uint32_t uninitialized_data_sz;
  75         __uint32_t entry_point;
  76         __uint32_t base_code;
  77 } __packed;
  78 /*
  79  * Extra header fields
  80  */
  81 struct extra_hdr {
  82         __uint32_t image_base;
  83         __uint32_t section_align;
  84         __uint32_t file_align;
  85         __uint16_t major_os_version;
  86         __uint16_t minor_os_version;
  87         __uint16_t major_image_version;
  88         __uint16_t minor_image_version;
  89         __uint16_t major_subsystem_version;
  90         __uint16_t minor_subsystem_version;
  91         __uint32_t win32_version;
  92         __uint32_t image_sz;
  93         __uint32_t headers_sz;
  94         __uint32_t checksum;
  95         __uint16_t subsystem;
  96         __uint16_t dll_characteristics;
  97         __uint32_t stack_reserve_sz;
  98         __uint32_t stack_commit_sz;
  99         __uint32_t heap_reserve_sz;
 100         __uint32_t heap_commit_sz;
 101         __uint32_t loader_flags;
 102         __uint32_t rva_and_sizes_nr;
 103         __uint64_t export_table;
 104         __uint64_t import_table;
 105         __uint64_t resource_table;
 106         __uint64_t exception_table;
 107         __uint64_t certification_table;
 108         __uint64_t base_relocation_table;
 109 } __packed;
 110
 111 /* Extra header for PE32+ format
 112  * FIXME: There are additional fields in Microsoft PE COFF v8
 113  */
 114
 115 struct extra_hdr_pe32p {
 116         __uint64_t image_base;
 117         __uint32_t section_align;
 118         __uint32_t file_align;
 119         __uint16_t major_os_version;
 120         __uint16_t minor_os_version;
 121         __uint16_t major_image_version;
 122         __uint16_t minor_image_version;
 123         __uint16_t major_subsystem_version;
 124         __uint16_t minor_subsystem_version;
 125         __uint32_t win32_version;
 126         __uint32_t image_sz;
 127         __uint32_t headers_sz;
 128         __uint32_t checksum;
 129         __uint16_t subsystem;
 130         __uint16_t dll_characteristics;
 131         __uint64_t stack_reserve_sz;
 132         __uint64_t stack_commit_sz;
 133         __uint64_t heap_reserve_sz;
 134         __uint64_t heap_commit_sz;
 135         __uint32_t loader_flags;
 136         __uint32_t rva_and_sizes_nr;
 137         __uint64_t export_table;
 138         __uint64_t import_table;
 139         __uint64_t resource_table;
 140         __uint64_t exception_table;
 141         __uint64_t certification_table;
 142         __uint64_t base_relocation_table;
 143 } __packed;
 144
 145 struct section {
 146         __uint8_t name[8];
 147         __uint32_t virtual_sz;
 148         __uint32_t virtual_address;
 149         __uint32_t raw_data_sz;
 150         __uint32_t raw_data;
 151         __uint32_t relocs;
 152         __uint32_t line_numbers;
 153         __uint16_t relocs_nr;
 154         __uint16_t line_numbers_nr;
 155         __uint32_t characteristics;
 156 } __packed;
 157
 158 struct coff_reloc {
 159         __uint32_t virtual_address;
 160         __uint32_t symtab_index;
 161         __uint16_t type;
 162 };
 163
 164 #endif /* EFI_WRAPPER_H */