237 lines
6.5 KiB
C
237 lines
6.5 KiB
C
/* pe32.h - PE/Coff definitions. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_PE32PLUS
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typedef uint64_t pe32_uintptr_t;
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#else
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typedef uint32_t pe32_uintptr_t;
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#endif
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struct pe32_coff_header
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{
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uint16_t machine;
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uint16_t num_sections;
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uint32_t time;
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uint32_t symtab_offset;
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uint32_t num_symbols;
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uint16_t optional_header_size;
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uint16_t characteristics;
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};
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#define PE32_MACHINE_I386 0x014c
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#define PE32_MACHINE_IA64 0x0200
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#define PE32_MACHINE_EBC 0x0EBC
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#define PE32_MACHINE_X64 0x8664
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#define PE32_RELOCS_STRIPPED 0x0001
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#define PE32_EXECUTABLE_IMAGE 0x0002
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#define PE32_LINE_NUMS_STRIPPED 0x0004
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#define PE32_LOCAL_SYMS_STRIPPED 0x0008
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#define PE32_AGGRESSIVE_WS_TRIM 0x0010
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#define PE32_LARGE_ADDRESS_AWARE 0x0020
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#define PE32_16BIT_MACHINE 0x0040
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#define PE32_BYTES_REVERSED_LO 0x0080
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#define PE32_32BIT_MACHINE 0x0100
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#define PE32_DEBUG_STRIPPED 0x0200
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#define PE32_REMOVABLE_RUN_FROM_SWAP 0x0400
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#define PE32_SYSTEM 0x1000
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#define PE32_DLL 0x2000
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#define PE32_UP_SYSTEM_ONLY 0x4000
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#define PE32_BYTES_REVERSED_HI 0x8000
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struct pe32_data_directory
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{
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uint32_t rva;
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uint32_t size;
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};
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struct pe32_optional_header
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{
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uint16_t magic;
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uint8_t major_linker_version;
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uint8_t minor_linker_version;
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uint32_t code_size;
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uint32_t data_size;
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uint32_t bss_size;
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uint32_t entry_addr;
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uint32_t code_base;
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#ifndef USE_PE32PLUS
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uint32_t data_base;
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#endif
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pe32_uintptr_t image_base;
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uint32_t section_alignment;
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uint32_t file_alignment;
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uint16_t major_os_version;
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uint16_t minor_os_version;
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uint16_t major_image_version;
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uint16_t minor_image_version;
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uint16_t major_subsystem_version;
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uint16_t minor_subsystem_version;
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uint32_t reserved;
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uint32_t image_size;
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uint32_t header_size;
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uint32_t checksum;
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uint16_t subsystem;
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uint16_t dll_characteristics;
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pe32_uintptr_t stack_reserve_size;
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pe32_uintptr_t stack_commit_size;
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pe32_uintptr_t heap_reserve_size;
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pe32_uintptr_t heap_commit_size;
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uint32_t loader_flags;
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uint32_t num_data_directories;
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/* Data directories. */
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struct pe32_data_directory export_table;
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struct pe32_data_directory import_table;
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struct pe32_data_directory resource_table;
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struct pe32_data_directory exception_table;
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struct pe32_data_directory certificate_table;
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struct pe32_data_directory base_relocation_table;
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struct pe32_data_directory debug;
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struct pe32_data_directory architecture;
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struct pe32_data_directory global_ptr;
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struct pe32_data_directory tls_table;
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struct pe32_data_directory load_config_table;
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struct pe32_data_directory bound_import;
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struct pe32_data_directory iat;
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struct pe32_data_directory delay_import_descriptor;
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struct pe32_data_directory com_runtime_header;
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struct pe32_data_directory reserved_entry;
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};
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#define PE32_PE32_MAGIC 0x10b
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#define PE32_PE64_MAGIC 0x20b
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#define PE32_SUBSYSTEM_EFI_APPLICATION 10
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#define PE32_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER 11
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#define PE32_SUBSYSTEM_EFI_RUNTIME_DRIVER 12
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#define PE32_SUBSYSTEM_EFI_EFI_ROM 13
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#define PE32_NUM_DATA_DIRECTORIES 16
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struct pe32_section_header
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{
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char name[8];
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uint32_t virtual_size;
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uint32_t virtual_address;
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uint32_t raw_data_size;
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uint32_t raw_data_offset;
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uint32_t relocations_offset;
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uint32_t line_numbers_offset;
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uint16_t num_relocations;
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uint16_t num_line_numbers;
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uint32_t characteristics;
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};
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#define PE32_SCN_CNT_CODE 0x00000020
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#define PE32_SCN_CNT_INITIALIZED_DATA 0x00000040
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#define PE32_SCN_MEM_DISCARDABLE 0x02000000
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#define PE32_SCN_MEM_EXECUTE 0x20000000
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#define PE32_SCN_MEM_READ 0x40000000
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#define PE32_SCN_MEM_WRITE 0x80000000
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struct pe32_dos_header
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{
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uint16_t magic; // Magic number
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uint16_t cblp; // Bytes on last page of file
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uint16_t cp; // Pages in file
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uint16_t crlc; // Relocations
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uint16_t cparhdr; // Size of header in paragraphs
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uint16_t minalloc; // Minimum extra paragraphs needed
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uint16_t maxalloc; // Maximum extra paragraphs needed
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uint16_t ss; // Initial (relative) SS value
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uint16_t sp; // Initial SP value
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uint16_t csum; // Checksum
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uint16_t ip; // Initial IP value
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uint16_t cs; // Initial (relative) CS value
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uint16_t lfa_rlc; // File address of relocation table
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uint16_t ov_no; // Overlay number
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uint16_t res[4]; // Reserved words
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uint16_t oem_id; // OEM identifier (for e_oeminfo)
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uint16_t oem_info; // OEM information; e_oemid specific
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uint16_t res2[10]; // Reserved words
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uint32_t new_hdr_offset;
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uint16_t stub[0x20];
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};
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struct pe32_nt_header
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{
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/* This is always PE\0\0. */
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char signature[4];
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/* The COFF file header. */
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struct pe32_coff_header coff_header;
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/* The Optional header. */
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struct pe32_optional_header optional_header;
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};
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struct pe32_base_relocation
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{
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uint32_t page_rva;
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uint32_t block_size;
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};
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struct pe32_fixup_block
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{
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uint32_t page_rva;
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uint32_t block_size;
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uint16_t entries[0];
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};
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#define PE32_FIXUP_ENTRY(type, offset) (((type) << 12) | (offset))
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#define PE32_REL_BASED_ABSOLUTE 0
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#define PE32_REL_BASED_HIGHLOW 3
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#define PE32_REL_BASED_IA64_IMM64 9
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#define PE32_REL_BASED_DIR64 10
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#define PE32_DEBUG_TYPE_CODEVIEW 2
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struct pe32_debug_directory_entry {
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uint32_t characteristics;
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uint32_t time;
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uint16_t major_version;
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uint16_t minor_version;
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uint32_t type;
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uint32_t data_size;
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uint32_t rva;
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uint32_t file_offset;
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};
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#define PE32_CODEVIEW_SIGNATURE_NB10 0x3031424E // "NB10"
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struct pe32_debug_codeview_nb10_entry {
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uint32_t signature; // "NB10"
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uint32_t unknown[3];
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char filename[0]; /* Filename of .PDB */
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};
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#if 1
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#define pe32_check(name, x) extern char pe32_check_##name [x ? 1 : -1]
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#ifdef USE_PE32PLUS
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#define PE32_HEADER_SIZE 112
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#else
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#define PE32_HEADER_SIZE 96
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#endif
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pe32_check(optional_header, sizeof (struct pe32_optional_header) == PE32_HEADER_SIZE + PE32_NUM_DATA_DIRECTORIES * 8);
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#endif
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