315 lines
9.7 KiB
C
315 lines
9.7 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2006,2007,2008,2009 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef GRUB_EFI_PE32_HEADER
|
|
#define GRUB_EFI_PE32_HEADER 1
|
|
|
|
#include <grub/types.h>
|
|
|
|
/* The MSDOS compatibility stub. This was copied from the output of
|
|
objcopy, and it is not necessary to care about what this means. */
|
|
#define GRUB_PE32_MSDOS_STUB \
|
|
{ \
|
|
0x4d, 0x5a, 0x90, 0x00, 0x03, 0x00, 0x00, 0x00, \
|
|
0x04, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, \
|
|
0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
|
|
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, \
|
|
0x0e, 0x1f, 0xba, 0x0e, 0x00, 0xb4, 0x09, 0xcd, \
|
|
0x21, 0xb8, 0x01, 0x4c, 0xcd, 0x21, 0x54, 0x68, \
|
|
0x69, 0x73, 0x20, 0x70, 0x72, 0x6f, 0x67, 0x72, \
|
|
0x61, 0x6d, 0x20, 0x63, 0x61, 0x6e, 0x6e, 0x6f, \
|
|
0x74, 0x20, 0x62, 0x65, 0x20, 0x72, 0x75, 0x6e, \
|
|
0x20, 0x69, 0x6e, 0x20, 0x44, 0x4f, 0x53, 0x20, \
|
|
0x6d, 0x6f, 0x64, 0x65, 0x2e, 0x0d, 0x0d, 0x0a, \
|
|
0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 \
|
|
}
|
|
|
|
#define GRUB_PE32_MSDOS_STUB_SIZE 0x80
|
|
|
|
/* According to the spec, the minimal alignment is 512 bytes...
|
|
But some examples (such as EFI drivers in the Intel
|
|
Sample Implementation) use 32 bytes (0x20) instead, and it seems
|
|
to be working. For now, GRUB uses 512 bytes for safety. */
|
|
#define GRUB_PE32_SECTION_ALIGNMENT 0x200
|
|
#define GRUB_PE32_FILE_ALIGNMENT GRUB_PE32_SECTION_ALIGNMENT
|
|
|
|
struct grub_pe32_coff_header
|
|
{
|
|
grub_uint16_t machine;
|
|
grub_uint16_t num_sections;
|
|
grub_uint32_t time;
|
|
grub_uint32_t symtab_offset;
|
|
grub_uint32_t num_symbols;
|
|
grub_uint16_t optional_header_size;
|
|
grub_uint16_t characteristics;
|
|
};
|
|
|
|
#define GRUB_PE32_MACHINE_I386 0x14c
|
|
#define GRUB_PE32_MACHINE_X86_64 0x8664
|
|
|
|
#define GRUB_PE32_RELOCS_STRIPPED 0x0001
|
|
#define GRUB_PE32_EXECUTABLE_IMAGE 0x0002
|
|
#define GRUB_PE32_LINE_NUMS_STRIPPED 0x0004
|
|
#define GRUB_PE32_LOCAL_SYMS_STRIPPED 0x0008
|
|
#define GRUB_PE32_AGGRESSIVE_WS_TRIM 0x0010
|
|
#define GRUB_PE32_LARGE_ADDRESS_AWARE 0x0020
|
|
#define GRUB_PE32_16BIT_MACHINE 0x0040
|
|
#define GRUB_PE32_BYTES_REVERSED_LO 0x0080
|
|
#define GRUB_PE32_32BIT_MACHINE 0x0100
|
|
#define GRUB_PE32_DEBUG_STRIPPED 0x0200
|
|
#define GRUB_PE32_REMOVABLE_RUN_FROM_SWAP 0x0400
|
|
#define GRUB_PE32_SYSTEM 0x1000
|
|
#define GRUB_PE32_DLL 0x2000
|
|
#define GRUB_PE32_UP_SYSTEM_ONLY 0x4000
|
|
#define GRUB_PE32_BYTES_REVERSED_HI 0x8000
|
|
|
|
struct grub_pe32_data_directory
|
|
{
|
|
grub_uint32_t rva;
|
|
grub_uint32_t size;
|
|
};
|
|
|
|
struct grub_pe32_optional_header
|
|
{
|
|
grub_uint16_t magic;
|
|
grub_uint8_t major_linker_version;
|
|
grub_uint8_t minor_linker_version;
|
|
grub_uint32_t code_size;
|
|
grub_uint32_t data_size;
|
|
grub_uint32_t bss_size;
|
|
grub_uint32_t entry_addr;
|
|
grub_uint32_t code_base;
|
|
|
|
grub_uint32_t data_base;
|
|
grub_uint32_t image_base;
|
|
|
|
grub_uint32_t section_alignment;
|
|
grub_uint32_t file_alignment;
|
|
grub_uint16_t major_os_version;
|
|
grub_uint16_t minor_os_version;
|
|
grub_uint16_t major_image_version;
|
|
grub_uint16_t minor_image_version;
|
|
grub_uint16_t major_subsystem_version;
|
|
grub_uint16_t minor_subsystem_version;
|
|
grub_uint32_t reserved;
|
|
grub_uint32_t image_size;
|
|
grub_uint32_t header_size;
|
|
grub_uint32_t checksum;
|
|
grub_uint16_t subsystem;
|
|
grub_uint16_t dll_characteristics;
|
|
|
|
grub_uint32_t stack_reserve_size;
|
|
grub_uint32_t stack_commit_size;
|
|
grub_uint32_t heap_reserve_size;
|
|
grub_uint32_t heap_commit_size;
|
|
|
|
grub_uint32_t loader_flags;
|
|
grub_uint32_t num_data_directories;
|
|
|
|
/* Data directories. */
|
|
struct grub_pe32_data_directory export_table;
|
|
struct grub_pe32_data_directory import_table;
|
|
struct grub_pe32_data_directory resource_table;
|
|
struct grub_pe32_data_directory exception_table;
|
|
struct grub_pe32_data_directory certificate_table;
|
|
struct grub_pe32_data_directory base_relocation_table;
|
|
struct grub_pe32_data_directory debug;
|
|
struct grub_pe32_data_directory architecture;
|
|
struct grub_pe32_data_directory global_ptr;
|
|
struct grub_pe32_data_directory tls_table;
|
|
struct grub_pe32_data_directory load_config_table;
|
|
struct grub_pe32_data_directory bound_import;
|
|
struct grub_pe32_data_directory iat;
|
|
struct grub_pe32_data_directory delay_import_descriptor;
|
|
struct grub_pe32_data_directory com_runtime_header;
|
|
struct grub_pe32_data_directory reserved_entry;
|
|
};
|
|
|
|
struct grub_pe64_optional_header
|
|
{
|
|
grub_uint16_t magic;
|
|
grub_uint8_t major_linker_version;
|
|
grub_uint8_t minor_linker_version;
|
|
grub_uint32_t code_size;
|
|
grub_uint32_t data_size;
|
|
grub_uint32_t bss_size;
|
|
grub_uint32_t entry_addr;
|
|
grub_uint32_t code_base;
|
|
|
|
grub_uint64_t image_base;
|
|
|
|
grub_uint32_t section_alignment;
|
|
grub_uint32_t file_alignment;
|
|
grub_uint16_t major_os_version;
|
|
grub_uint16_t minor_os_version;
|
|
grub_uint16_t major_image_version;
|
|
grub_uint16_t minor_image_version;
|
|
grub_uint16_t major_subsystem_version;
|
|
grub_uint16_t minor_subsystem_version;
|
|
grub_uint32_t reserved;
|
|
grub_uint32_t image_size;
|
|
grub_uint32_t header_size;
|
|
grub_uint32_t checksum;
|
|
grub_uint16_t subsystem;
|
|
grub_uint16_t dll_characteristics;
|
|
|
|
grub_uint64_t stack_reserve_size;
|
|
grub_uint64_t stack_commit_size;
|
|
grub_uint64_t heap_reserve_size;
|
|
grub_uint64_t heap_commit_size;
|
|
|
|
grub_uint32_t loader_flags;
|
|
grub_uint32_t num_data_directories;
|
|
|
|
/* Data directories. */
|
|
struct grub_pe32_data_directory export_table;
|
|
struct grub_pe32_data_directory import_table;
|
|
struct grub_pe32_data_directory resource_table;
|
|
struct grub_pe32_data_directory exception_table;
|
|
struct grub_pe32_data_directory certificate_table;
|
|
struct grub_pe32_data_directory base_relocation_table;
|
|
struct grub_pe32_data_directory debug;
|
|
struct grub_pe32_data_directory architecture;
|
|
struct grub_pe32_data_directory global_ptr;
|
|
struct grub_pe32_data_directory tls_table;
|
|
struct grub_pe32_data_directory load_config_table;
|
|
struct grub_pe32_data_directory bound_import;
|
|
struct grub_pe32_data_directory iat;
|
|
struct grub_pe32_data_directory delay_import_descriptor;
|
|
struct grub_pe32_data_directory com_runtime_header;
|
|
struct grub_pe32_data_directory reserved_entry;
|
|
};
|
|
|
|
#define GRUB_PE32_PE32_MAGIC 0x10b
|
|
#define GRUB_PE32_PE64_MAGIC 0x20b
|
|
|
|
#define GRUB_PE32_SUBSYSTEM_EFI_APPLICATION 10
|
|
|
|
#define GRUB_PE32_NUM_DATA_DIRECTORIES 16
|
|
|
|
struct grub_pe32_section_table
|
|
{
|
|
char name[8];
|
|
grub_uint32_t virtual_size;
|
|
grub_uint32_t virtual_address;
|
|
grub_uint32_t raw_data_size;
|
|
grub_uint32_t raw_data_offset;
|
|
grub_uint32_t relocations_offset;
|
|
grub_uint32_t line_numbers_offset;
|
|
grub_uint16_t num_relocations;
|
|
grub_uint16_t num_line_numbers;
|
|
grub_uint32_t characteristics;
|
|
};
|
|
|
|
#define GRUB_PE32_SCN_CNT_CODE 0x00000020
|
|
#define GRUB_PE32_SCN_CNT_INITIALIZED_DATA 0x00000040
|
|
#define GRUB_PE32_SCN_MEM_DISCARDABLE 0x02000000
|
|
#define GRUB_PE32_SCN_MEM_EXECUTE 0x20000000
|
|
#define GRUB_PE32_SCN_MEM_READ 0x40000000
|
|
#define GRUB_PE32_SCN_MEM_WRITE 0x80000000
|
|
|
|
#define GRUB_PE32_SCN_ALIGN_1BYTES 0x00100000
|
|
#define GRUB_PE32_SCN_ALIGN_2BYTES 0x00200000
|
|
#define GRUB_PE32_SCN_ALIGN_4BYTES 0x00300000
|
|
#define GRUB_PE32_SCN_ALIGN_8BYTES 0x00400000
|
|
#define GRUB_PE32_SCN_ALIGN_16BYTES 0x00500000
|
|
#define GRUB_PE32_SCN_ALIGN_32BYTES 0x00600000
|
|
#define GRUB_PE32_SCN_ALIGN_64BYTES 0x00700000
|
|
|
|
#define GRUB_PE32_SCN_ALIGN_SHIFT 20
|
|
#define GRUB_PE32_SCN_ALIGN_MASK 7
|
|
|
|
#define GRUB_PE32_SIGNATURE_SIZE 4
|
|
|
|
struct grub_pe32_header
|
|
{
|
|
/* This should be filled in with GRUB_PE32_MSDOS_STUB. */
|
|
grub_uint8_t msdos_stub[GRUB_PE32_MSDOS_STUB_SIZE];
|
|
|
|
/* This is always PE\0\0. */
|
|
char signature[GRUB_PE32_SIGNATURE_SIZE];
|
|
|
|
/* The COFF file header. */
|
|
struct grub_pe32_coff_header coff_header;
|
|
|
|
#if GRUB_TARGET_SIZEOF_VOID_P == 8
|
|
/* The Optional header. */
|
|
struct grub_pe64_optional_header optional_header;
|
|
#else
|
|
/* The Optional header. */
|
|
struct grub_pe32_optional_header optional_header;
|
|
#endif
|
|
};
|
|
|
|
struct grub_pe32_fixup_block
|
|
{
|
|
grub_uint32_t page_rva;
|
|
grub_uint32_t block_size;
|
|
grub_uint16_t entries[0];
|
|
};
|
|
|
|
#define GRUB_PE32_FIXUP_ENTRY(type, offset) (((type) << 12) | (offset))
|
|
|
|
#define GRUB_PE32_REL_BASED_ABSOLUTE 0
|
|
#define GRUB_PE32_REL_BASED_HIGH 1
|
|
#define GRUB_PE32_REL_BASED_LOW 2
|
|
#define GRUB_PE32_REL_BASED_HIGHLOW 3
|
|
#define GRUB_PE32_REL_BASED_HIGHADJ 4
|
|
#define GRUB_PE32_REL_BASED_MIPS_JMPADDR 5
|
|
#define GRUB_PE32_REL_BASED_SECTION 6
|
|
#define GRUB_PE32_REL_BASED_REL 7
|
|
#define GRUB_PE32_REL_BASED_IA64_IMM64 9
|
|
#define GRUB_PE32_REL_BASED_DIR64 10
|
|
#define GRUB_PE32_REL_BASED_HIGH3ADJ 11
|
|
|
|
struct grub_pe32_symbol
|
|
{
|
|
union
|
|
{
|
|
char short_name[8];
|
|
grub_uint32_t long_name[2];
|
|
};
|
|
|
|
grub_uint32_t value;
|
|
grub_uint16_t section;
|
|
grub_uint16_t type;
|
|
grub_uint8_t storage_class;
|
|
grub_uint8_t num_aux;
|
|
} __attribute__ ((packed));
|
|
|
|
#define GRUB_PE32_SYM_CLASS_EXTERNAL 2
|
|
#define GRUB_PE32_SYM_CLASS_STATIC 3
|
|
#define GRUB_PE32_SYM_CLASS_FILE 0x67
|
|
|
|
#define GRUB_PE32_DT_FUNCTION 0x20
|
|
|
|
struct grub_pe32_reloc
|
|
{
|
|
grub_uint32_t offset;
|
|
grub_uint32_t symtab_index;
|
|
grub_uint16_t type;
|
|
} __attribute__ ((packed));
|
|
|
|
#define GRUB_PE32_REL_I386_DIR32 0x6
|
|
#define GRUB_PE32_REL_I386_REL32 0x14
|
|
|
|
#endif /* ! GRUB_EFI_PE32_HEADER */
|