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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2011 Red Hat, Inc. * All rights reserved. * * Author(s): Peter Jones <pjones@redhat.com> */ #ifndef __LINUX_PE_H #define __LINUX_PE_H #include <linux/types.h> /* * Starting from version v3.0, the major version field should be interpreted as * a bit mask of features supported by the kernel's EFI stub: * - 0x1: initrd loading from the LINUX_EFI_INITRD_MEDIA_GUID device path, * - 0x2: initrd loading using the initrd= command line option, where the file * may be specified using device path notation, and is not required to * reside on the same volume as the loaded kernel image. * * The recommended way of loading and starting v1.0 or later kernels is to use * the LoadImage() and StartImage() EFI boot services, and expose the initrd * via the LINUX_EFI_INITRD_MEDIA_GUID device path. * * Versions older than v1.0 may support initrd loading via the image load * options (using initrd=, limited to the volume from which the kernel itself * was loaded), or only via arch specific means (bootparams, DT, etc). * * The minor version field must remain 0x0. * (https://lore.kernel.org/all/efd6f2d4-547c-1378-1faa-53c044dbd297@gmail.com/) */ #define LINUX_EFISTUB_MAJOR_VERSION 0x3 #define LINUX_EFISTUB_MINOR_VERSION 0x0 /* * LINUX_PE_MAGIC appears at offset 0x38 into the MS-DOS header of EFI bootable * Linux kernel images that target the architecture as specified by the PE/COFF * header machine type field. */ #define LINUX_PE_MAGIC 0x818223cd #define MZ_MAGIC 0x5a4d /* "MZ" */ #define PE_MAGIC 0x00004550 /* "PE\0\0" */ #define PE_OPT_MAGIC_PE32 0x010b #define PE_OPT_MAGIC_PE32_ROM 0x0107 #define PE_OPT_MAGIC_PE32PLUS 0x020b /* machine type */ #define IMAGE_FILE_MACHINE_UNKNOWN 0x0000 #define IMAGE_FILE_MACHINE_AM33 0x01d3 #define IMAGE_FILE_MACHINE_AMD64 0x8664 #define IMAGE_FILE_MACHINE_ARM 0x01c0 #define IMAGE_FILE_MACHINE_ARMV7 0x01c4 #define IMAGE_FILE_MACHINE_ARM64 0xaa64 #define IMAGE_FILE_MACHINE_EBC 0x0ebc #define IMAGE_FILE_MACHINE_I386 0x014c #define IMAGE_FILE_MACHINE_IA64 0x0200 #define IMAGE_FILE_MACHINE_M32R 0x9041 #define IMAGE_FILE_MACHINE_MIPS16 0x0266 #define IMAGE_FILE_MACHINE_MIPSFPU 0x0366 #define IMAGE_FILE_MACHINE_MIPSFPU16 0x0466 #define IMAGE_FILE_MACHINE_POWERPC 0x01f0 #define IMAGE_FILE_MACHINE_POWERPCFP 0x01f1 #define IMAGE_FILE_MACHINE_R4000 0x0166 #define IMAGE_FILE_MACHINE_RISCV32 0x5032 #define IMAGE_FILE_MACHINE_RISCV64 0x5064 #define IMAGE_FILE_MACHINE_RISCV128 0x5128 #define IMAGE_FILE_MACHINE_SH3 0x01a2 #define IMAGE_FILE_MACHINE_SH3DSP 0x01a3 #define IMAGE_FILE_MACHINE_SH3E 0x01a4 #define IMAGE_FILE_MACHINE_SH4 0x01a6 #define IMAGE_FILE_MACHINE_SH5 0x01a8 #define IMAGE_FILE_MACHINE_THUMB 0x01c2 #define IMAGE_FILE_MACHINE_WCEMIPSV2 0x0169 #define IMAGE_FILE_MACHINE_LOONGARCH32 0x6232 #define IMAGE_FILE_MACHINE_LOONGARCH64 0x6264 /* flags */ #define IMAGE_FILE_RELOCS_STRIPPED 0x0001 #define IMAGE_FILE_EXECUTABLE_IMAGE 0x0002 #define IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004 #define IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008 #define IMAGE_FILE_AGGRESSIVE_WS_TRIM 0x0010 #define IMAGE_FILE_LARGE_ADDRESS_AWARE 0x0020 #define IMAGE_FILE_16BIT_MACHINE 0x0040 #define IMAGE_FILE_BYTES_REVERSED_LO 0x0080 #define IMAGE_FILE_32BIT_MACHINE 0x0100 #define IMAGE_FILE_DEBUG_STRIPPED 0x0200 #define IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP 0x0400 #define IMAGE_FILE_NET_RUN_FROM_SWAP 0x0800 #define IMAGE_FILE_SYSTEM 0x1000 #define IMAGE_FILE_DLL 0x2000 #define IMAGE_FILE_UP_SYSTEM_ONLY 0x4000 #define IMAGE_FILE_BYTES_REVERSED_HI 0x8000 #define IMAGE_FILE_OPT_ROM_MAGIC 0x107 #define IMAGE_FILE_OPT_PE32_MAGIC 0x10b #define IMAGE_FILE_OPT_PE32_PLUS_MAGIC 0x20b #define IMAGE_SUBSYSTEM_UNKNOWN 0 #define IMAGE_SUBSYSTEM_NATIVE 1 #define IMAGE_SUBSYSTEM_WINDOWS_GUI 2 #define IMAGE_SUBSYSTEM_WINDOWS_CUI 3 #define IMAGE_SUBSYSTEM_POSIX_CUI 7 #define IMAGE_SUBSYSTEM_WINDOWS_CE_GUI 9 #define IMAGE_SUBSYSTEM_EFI_APPLICATION 10 #define IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER 11 #define IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER 12 #define IMAGE_SUBSYSTEM_EFI_ROM_IMAGE 13 #define IMAGE_SUBSYSTEM_XBOX 14 #define IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE 0x0040 #define IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY 0x0080 #define IMAGE_DLL_CHARACTERISTICS_NX_COMPAT 0x0100 #define IMAGE_DLLCHARACTERISTICS_NO_ISOLATION 0x0200 #define IMAGE_DLLCHARACTERISTICS_NO_SEH 0x0400 #define IMAGE_DLLCHARACTERISTICS_NO_BIND 0x0800 #define IMAGE_DLLCHARACTERISTICS_WDM_DRIVER 0x2000 #define IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE 0x8000 #define IMAGE_DLLCHARACTERISTICS_EX_CET_COMPAT 0x0001 #define IMAGE_DLLCHARACTERISTICS_EX_FORWARD_CFI_COMPAT 0x0040 /* they actually defined 0x00000000 as well, but I think we'll skip that one. */ #define IMAGE_SCN_RESERVED_0 0x00000001 #define IMAGE_SCN_RESERVED_1 0x00000002 #define IMAGE_SCN_RESERVED_2 0x00000004 #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* don't pad - obsolete */ #define IMAGE_SCN_RESERVED_3 0x00000010 #define IMAGE_SCN_CNT_CODE 0x00000020 /* .text */ #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 /* .data */ #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 /* .bss */ #define IMAGE_SCN_LNK_OTHER 0x00000100 /* reserved */ #define IMAGE_SCN_LNK_INFO 0x00000200 /* .drectve comments */ #define IMAGE_SCN_RESERVED_4 0x00000400 #define IMAGE_SCN_LNK_REMOVE 0x00000800 /* .o only - scn to be rm'd*/ #define IMAGE_SCN_LNK_COMDAT 0x00001000 /* .o only - COMDAT data */ #define IMAGE_SCN_RESERVED_5 0x00002000 /* spec omits this */ #define IMAGE_SCN_RESERVED_6 0x00004000 /* spec omits this */ #define IMAGE_SCN_GPREL 0x00008000 /* global pointer referenced data */ /* spec lists 0x20000 twice, I suspect they meant 0x10000 for one of them */ #define IMAGE_SCN_MEM_PURGEABLE 0x00010000 /* reserved for "future" use */ #define IMAGE_SCN_16BIT 0x00020000 /* reserved for "future" use */ #define IMAGE_SCN_LOCKED 0x00040000 /* reserved for "future" use */ #define IMAGE_SCN_PRELOAD 0x00080000 /* reserved for "future" use */ /* and here they just stuck a 1-byte integer in the middle of a bitfield */ #define IMAGE_SCN_ALIGN_1BYTES 0x00100000 /* it does what it says on the box */ #define IMAGE_SCN_ALIGN_2BYTES 0x00200000 #define IMAGE_SCN_ALIGN_4BYTES 0x00300000 #define IMAGE_SCN_ALIGN_8BYTES 0x00400000 #define IMAGE_SCN_ALIGN_16BYTES 0x00500000 #define IMAGE_SCN_ALIGN_32BYTES 0x00600000 #define IMAGE_SCN_ALIGN_64BYTES 0x00700000 #define IMAGE_SCN_ALIGN_128BYTES 0x00800000 #define IMAGE_SCN_ALIGN_256BYTES 0x00900000 #define IMAGE_SCN_ALIGN_512BYTES 0x00a00000 #define IMAGE_SCN_ALIGN_1024BYTES 0x00b00000 #define IMAGE_SCN_ALIGN_2048BYTES 0x00c00000 #define IMAGE_SCN_ALIGN_4096BYTES 0x00d00000 #define IMAGE_SCN_ALIGN_8192BYTES 0x00e00000 #define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* extended relocations */ #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 /* scn can be discarded */ #define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 /* cannot be cached */ #define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 /* not pageable */ #define IMAGE_SCN_MEM_SHARED 0x10000000 /* can be shared */ #define IMAGE_SCN_MEM_EXECUTE 0x20000000 /* can be executed as code */ #define IMAGE_SCN_MEM_READ 0x40000000 /* readable */ #define IMAGE_SCN_MEM_WRITE 0x80000000 /* writeable */ #define IMAGE_DEBUG_TYPE_CODEVIEW 2 #define IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS 20 #ifndef __ASSEMBLY__ struct mz_hdr { uint16_t magic; /* MZ_MAGIC */ uint16_t lbsize; /* size of last used block */ uint16_t blocks; /* pages in file, 0x3 */ uint16_t relocs; /* relocations */ uint16_t hdrsize; /* header size in "paragraphs" */ uint16_t min_extra_pps; /* .bss */ uint16_t max_extra_pps; /* runtime limit for the arena size */ uint16_t ss; /* relative stack segment */ uint16_t sp; /* initial %sp register */ uint16_t checksum; /* word checksum */ uint16_t ip; /* initial %ip register */ uint16_t cs; /* initial %cs relative to load segment */ uint16_t reloc_table_offset; /* offset of the first relocation */ uint16_t overlay_num; /* overlay number. set to 0. */ uint16_t reserved0[4]; /* reserved */ uint16_t oem_id; /* oem identifier */ uint16_t oem_info; /* oem specific */ uint16_t reserved1[10]; /* reserved */ uint32_t peaddr; /* address of pe header */ char message[]; /* message to print */ }; struct mz_reloc { uint16_t offset; uint16_t segment; }; struct pe_hdr { uint32_t magic; /* PE magic */ uint16_t machine; /* machine type */ uint16_t sections; /* number of sections */ uint32_t timestamp; /* time_t */ uint32_t symbol_table; /* symbol table offset */ uint32_t symbols; /* number of symbols */ uint16_t opt_hdr_size; /* size of optional header */ uint16_t flags; /* flags */ }; /* the fact that pe32 isn't padded where pe32+ is 64-bit means union won't * work right. vomit. */ struct pe32_opt_hdr { /* "standard" header */ uint16_t magic; /* file type */ uint8_t ld_major; /* linker major version */ uint8_t ld_minor; /* linker minor version */ uint32_t text_size; /* size of text section(s) */ uint32_t data_size; /* size of data section(s) */ uint32_t bss_size; /* size of bss section(s) */ uint32_t entry_point; /* file offset of entry point */ uint32_t code_base; /* relative code addr in ram */ uint32_t data_base; /* relative data addr in ram */ /* "windows" header */ uint32_t image_base; /* preferred load address */ uint32_t section_align; /* alignment in bytes */ uint32_t file_align; /* file alignment in bytes */ uint16_t os_major; /* major OS version */ uint16_t os_minor; /* minor OS version */ uint16_t image_major; /* major image version */ uint16_t image_minor; /* minor image version */ uint16_t subsys_major; /* major subsystem version */ uint16_t subsys_minor; /* minor subsystem version */ uint32_t win32_version; /* reserved, must be 0 */ uint32_t image_size; /* image size */ uint32_t header_size; /* header size rounded up to file_align */ uint32_t csum; /* checksum */ uint16_t subsys; /* subsystem */ uint16_t dll_flags; /* more flags! */ uint32_t stack_size_req;/* amt of stack requested */ uint32_t stack_size; /* amt of stack required */ uint32_t heap_size_req; /* amt of heap requested */ uint32_t heap_size; /* amt of heap required */ uint32_t loader_flags; /* reserved, must be 0 */ uint32_t data_dirs; /* number of data dir entries */ }; struct pe32plus_opt_hdr { uint16_t magic; /* file type */ uint8_t ld_major; /* linker major version */ uint8_t ld_minor; /* linker minor version */ uint32_t text_size; /* size of text section(s) */ uint32_t data_size; /* size of data section(s) */ uint32_t bss_size; /* size of bss section(s) */ uint32_t entry_point; /* file offset of entry point */ uint32_t code_base; /* relative code addr in ram */ /* "windows" header */ uint64_t image_base; /* preferred load address */ uint32_t section_align; /* alignment in bytes */ uint32_t file_align; /* file alignment in bytes */ uint16_t os_major; /* major OS version */ uint16_t os_minor; /* minor OS version */ uint16_t image_major; /* major image version */ uint16_t image_minor; /* minor image version */ uint16_t subsys_major; /* major subsystem version */ uint16_t subsys_minor; /* minor subsystem version */ uint32_t win32_version; /* reserved, must be 0 */ uint32_t image_size; /* image size */ uint32_t header_size; /* header size rounded up to file_align */ uint32_t csum; /* checksum */ uint16_t subsys; /* subsystem */ uint16_t dll_flags; /* more flags! */ uint64_t stack_size_req;/* amt of stack requested */ uint64_t stack_size; /* amt of stack required */ uint64_t heap_size_req; /* amt of heap requested */ uint64_t heap_size; /* amt of heap required */ uint32_t loader_flags; /* reserved, must be 0 */ uint32_t data_dirs; /* number of data dir entries */ }; struct data_dirent { uint32_t virtual_address; /* relative to load address */ uint32_t size; }; struct data_directory { struct data_dirent exports; /* .edata */ struct data_dirent imports; /* .idata */ struct data_dirent resources; /* .rsrc */ struct data_dirent exceptions; /* .pdata */ struct data_dirent certs; /* certs */ struct data_dirent base_relocations; /* .reloc */ struct data_dirent debug; /* .debug */ struct data_dirent arch; /* reservered */ struct data_dirent global_ptr; /* global pointer reg. Size=0 */ struct data_dirent tls; /* .tls */ struct data_dirent load_config; /* load configuration structure */ struct data_dirent bound_imports; /* no idea */ struct data_dirent import_addrs; /* import address table */ struct data_dirent delay_imports; /* delay-load import table */ struct data_dirent clr_runtime_hdr; /* .cor (object only) */ struct data_dirent reserved; }; struct section_header { char name[8]; /* name or "/12\0" string tbl offset */ uint32_t virtual_size; /* size of loaded section in ram */ uint32_t virtual_address; /* relative virtual address */ uint32_t raw_data_size; /* size of the section */ uint32_t data_addr; /* file pointer to first page of sec */ uint32_t relocs; /* file pointer to relocation entries */ uint32_t line_numbers; /* line numbers! */ uint16_t num_relocs; /* number of relocations */ uint16_t num_lin_numbers; /* srsly. */ uint32_t flags; }; enum x64_coff_reloc_type { IMAGE_REL_AMD64_ABSOLUTE = 0, IMAGE_REL_AMD64_ADDR64, IMAGE_REL_AMD64_ADDR32, IMAGE_REL_AMD64_ADDR32N, IMAGE_REL_AMD64_REL32, IMAGE_REL_AMD64_REL32_1, IMAGE_REL_AMD64_REL32_2, IMAGE_REL_AMD64_REL32_3, IMAGE_REL_AMD64_REL32_4, IMAGE_REL_AMD64_REL32_5, IMAGE_REL_AMD64_SECTION, IMAGE_REL_AMD64_SECREL, IMAGE_REL_AMD64_SECREL7, IMAGE_REL_AMD64_TOKEN, IMAGE_REL_AMD64_SREL32, IMAGE_REL_AMD64_PAIR, IMAGE_REL_AMD64_SSPAN32, }; enum arm_coff_reloc_type { IMAGE_REL_ARM_ABSOLUTE, IMAGE_REL_ARM_ADDR32, IMAGE_REL_ARM_ADDR32N, IMAGE_REL_ARM_BRANCH2, IMAGE_REL_ARM_BRANCH1, IMAGE_REL_ARM_SECTION, IMAGE_REL_ARM_SECREL, }; enum sh_coff_reloc_type { IMAGE_REL_SH3_ABSOLUTE, IMAGE_REL_SH3_DIRECT16, IMAGE_REL_SH3_DIRECT32, IMAGE_REL_SH3_DIRECT8, IMAGE_REL_SH3_DIRECT8_WORD, IMAGE_REL_SH3_DIRECT8_LONG, IMAGE_REL_SH3_DIRECT4, IMAGE_REL_SH3_DIRECT4_WORD, IMAGE_REL_SH3_DIRECT4_LONG, IMAGE_REL_SH3_PCREL8_WORD, IMAGE_REL_SH3_PCREL8_LONG, IMAGE_REL_SH3_PCREL12_WORD, IMAGE_REL_SH3_STARTOF_SECTION, IMAGE_REL_SH3_SIZEOF_SECTION, IMAGE_REL_SH3_SECTION, IMAGE_REL_SH3_SECREL, IMAGE_REL_SH3_DIRECT32_NB, IMAGE_REL_SH3_GPREL4_LONG, IMAGE_REL_SH3_TOKEN, IMAGE_REL_SHM_PCRELPT, IMAGE_REL_SHM_REFLO, IMAGE_REL_SHM_REFHALF, IMAGE_REL_SHM_RELLO, IMAGE_REL_SHM_RELHALF, IMAGE_REL_SHM_PAIR, IMAGE_REL_SHM_NOMODE, }; enum ppc_coff_reloc_type { IMAGE_REL_PPC_ABSOLUTE, IMAGE_REL_PPC_ADDR64, IMAGE_REL_PPC_ADDR32, IMAGE_REL_PPC_ADDR24, IMAGE_REL_PPC_ADDR16, IMAGE_REL_PPC_ADDR14, IMAGE_REL_PPC_REL24, IMAGE_REL_PPC_REL14, IMAGE_REL_PPC_ADDR32N, IMAGE_REL_PPC_SECREL, IMAGE_REL_PPC_SECTION, IMAGE_REL_PPC_SECREL16, IMAGE_REL_PPC_REFHI, IMAGE_REL_PPC_REFLO, IMAGE_REL_PPC_PAIR, IMAGE_REL_PPC_SECRELLO, IMAGE_REL_PPC_GPREL, IMAGE_REL_PPC_TOKEN, }; enum x86_coff_reloc_type { IMAGE_REL_I386_ABSOLUTE, IMAGE_REL_I386_DIR16, IMAGE_REL_I386_REL16, IMAGE_REL_I386_DIR32, IMAGE_REL_I386_DIR32NB, IMAGE_REL_I386_SEG12, IMAGE_REL_I386_SECTION, IMAGE_REL_I386_SECREL, IMAGE_REL_I386_TOKEN, IMAGE_REL_I386_SECREL7, IMAGE_REL_I386_REL32, }; enum ia64_coff_reloc_type { IMAGE_REL_IA64_ABSOLUTE, IMAGE_REL_IA64_IMM14, IMAGE_REL_IA64_IMM22, IMAGE_REL_IA64_IMM64, IMAGE_REL_IA64_DIR32, IMAGE_REL_IA64_DIR64, IMAGE_REL_IA64_PCREL21B, IMAGE_REL_IA64_PCREL21M, IMAGE_REL_IA64_PCREL21F, IMAGE_REL_IA64_GPREL22, IMAGE_REL_IA64_LTOFF22, IMAGE_REL_IA64_SECTION, IMAGE_REL_IA64_SECREL22, IMAGE_REL_IA64_SECREL64I, IMAGE_REL_IA64_SECREL32, IMAGE_REL_IA64_DIR32NB, IMAGE_REL_IA64_SREL14, IMAGE_REL_IA64_SREL22, IMAGE_REL_IA64_SREL32, IMAGE_REL_IA64_UREL32, IMAGE_REL_IA64_PCREL60X, IMAGE_REL_IA64_PCREL60B, IMAGE_REL_IA64_PCREL60F, IMAGE_REL_IA64_PCREL60I, IMAGE_REL_IA64_PCREL60M, IMAGE_REL_IA64_IMMGPREL6, IMAGE_REL_IA64_TOKEN, IMAGE_REL_IA64_GPREL32, IMAGE_REL_IA64_ADDEND, }; struct coff_reloc { uint32_t virtual_address; uint32_t symbol_table_index; union { enum x64_coff_reloc_type x64_type; enum arm_coff_reloc_type arm_type; enum sh_coff_reloc_type sh_type; enum ppc_coff_reloc_type ppc_type; enum x86_coff_reloc_type x86_type; enum ia64_coff_reloc_type ia64_type; uint16_t data; }; }; /* * Definitions for the contents of the certs data block */ #define WIN_CERT_TYPE_PKCS_SIGNED_DATA 0x0002 #define WIN_CERT_TYPE_EFI_OKCS115 0x0EF0 #define WIN_CERT_TYPE_EFI_GUID 0x0EF1 #define WIN_CERT_REVISION_1_0 0x0100 #define WIN_CERT_REVISION_2_0 0x0200 struct win_certificate { uint32_t length; uint16_t revision; uint16_t cert_type; }; #endif /* !__ASSEMBLY__ */ #endif /* __LINUX_PE_H */