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Tue, 23 Jul 2024 11:23:19 -0700 (PDT) From: Milan Djokic To: xen-devel@lists.xenproject.org Cc: oleksii.kurochko@gmail.com, Nikola Jelic , "Daniel P. Smith" , =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?= , Jan Beulich , Milan Djokic Subject: [PATCH v2] xen: PE/COFF image header Date: Tue, 23 Jul 2024 20:22:06 +0200 Message-Id: <728bb10e944a7ec28a67c2e9e62910632eb2366b.1721758832.git.milandjokic1995@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <2b747d672eeadc1150d3b84f0303e1d288311133.1721391876.git.milan.djokic@rt-rk.com> References: <2b747d672eeadc1150d3b84f0303e1d288311133.1721391876.git.milan.djokic@rt-rk.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721759028630116600 Content-Type: text/plain; charset="utf-8" From: Nikola Jelic Added PE/COFF generic image header which shall be used for EFI application format for x86/risc-v. x86 and risc-v source shall be adjusted to use this header in following commits. pe.h header is taken over from linux kernel with minor changes in terms of formatting and structure member= comments. Also, COFF relocation and win cert structures are ommited, since these are = not relevant for Xen. Origin: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 36= e4fc57fc16 Signed-off-by: Nikola Jelic Signed-off-by: Milan Djokic Acked-by: Marek Marczykowski-G=C3=B3recki --- This header is split into a separate commit following discussion from https= ://lists.xenproject.org/archives/html/xen-devel/2024-07/msg00166.html Upcoming commit shall modify x86 implementation to use this header instead of internal structures. --- Changes in V2: - Fixed header formatting and some structure member names/comments - Removed linux kernel specific macros (EFI stub version, linux pe magic) - Removed duplicated values - Removed COFF relocation and win cert structures which are not relevant = for Xen --- xen/include/efi/pe.h | 291 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 291 insertions(+) create mode 100644 xen/include/efi/pe.h diff --git a/xen/include/efi/pe.h b/xen/include/efi/pe.h new file mode 100644 index 0000000000..64e047e88b --- /dev/null +++ b/xen/include/efi/pe.h @@ -0,0 +1,291 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2011 Red Hat, Inc. + * All rights reserved. + * + * Author(s): Peter Jones + */ +#ifndef EFI__PE_H +#define EFI__PE_H + +#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_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 o= ne. */ +#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 - obsolet= e */ +#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 da= ta */ +#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 refe= renced 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-nibble integer in the middle of a bitfield= */ +#define IMAGE_SCN_ALIGN_1BYTES 0x00100000 /* it does what it says on th= e 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; /* file offset 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. + */ +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 rva; /* 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=3D0 */ + 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 string tbl offset */ + uint32_t virtual_size; /* size of loaded section in ram */ + uint32_t rva; /* 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; /* COFF line count */ + uint32_t flags; +}; + +#endif /* __ASSEMBLY__ */ + +#endif /* EFI__PE_H */ --=20 2.25.1