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1 /*
2  * Copyright 2011 Red Hat, Inc.
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; version 2 of the License.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  *
17  * Author(s): Peter Jones <pjones@redhat.com>
18  */
19 #ifndef __LINUX_PE_H
20 #define __LINUX_PE_H
21
22 #include <linux/types.h>
23
24 #define MZ_MAGIC        0x5a4d  /* "MZ" */
25
26 struct mz_hdr {
27         uint16_t magic;         /* MZ_MAGIC */
28         uint16_t lbsize;        /* size of last used block */
29         uint16_t blocks;        /* pages in file, 0x3 */
30         uint16_t relocs;        /* relocations */
31         uint16_t hdrsize;       /* header size in "paragraphs" */
32         uint16_t min_extra_pps; /* .bss */
33         uint16_t max_extra_pps; /* runtime limit for the arena size */
34         uint16_t ss;            /* relative stack segment */
35         uint16_t sp;            /* initial %sp register */
36         uint16_t checksum;      /* word checksum */
37         uint16_t ip;            /* initial %ip register */
38         uint16_t cs;            /* initial %cs relative to load segment */
39         uint16_t reloc_table_offset;    /* offset of the first relocation */
40         uint16_t overlay_num;   /* overlay number.  set to 0. */
41         uint16_t reserved0[4];  /* reserved */
42         uint16_t oem_id;        /* oem identifier */
43         uint16_t oem_info;      /* oem specific */
44         uint16_t reserved1[10]; /* reserved */
45         uint32_t peaddr;        /* address of pe header */
46         char     message[64];   /* message to print */
47 };
48
49 struct mz_reloc {
50         uint16_t offset;
51         uint16_t segment;
52 };
53
54 #define PE_MAGIC                0x00004550      /* "PE\0\0" */
55 #define PE_OPT_MAGIC_PE32       0x010b
56 #define PE_OPT_MAGIC_PE32_ROM   0x0107
57 #define PE_OPT_MAGIC_PE32PLUS   0x020b
58
59 /* machine type */
60 #define IMAGE_FILE_MACHINE_UNKNOWN      0x0000
61 #define IMAGE_FILE_MACHINE_AM33         0x01d3
62 #define IMAGE_FILE_MACHINE_AMD64        0x8664
63 #define IMAGE_FILE_MACHINE_ARM          0x01c0
64 #define IMAGE_FILE_MACHINE_ARMV7        0x01c4
65 #define IMAGE_FILE_MACHINE_EBC          0x0ebc
66 #define IMAGE_FILE_MACHINE_I386         0x014c
67 #define IMAGE_FILE_MACHINE_IA64         0x0200
68 #define IMAGE_FILE_MACHINE_M32R         0x9041
69 #define IMAGE_FILE_MACHINE_MIPS16       0x0266
70 #define IMAGE_FILE_MACHINE_MIPSFPU      0x0366
71 #define IMAGE_FILE_MACHINE_MIPSFPU16    0x0466
72 #define IMAGE_FILE_MACHINE_POWERPC      0x01f0
73 #define IMAGE_FILE_MACHINE_POWERPCFP    0x01f1
74 #define IMAGE_FILE_MACHINE_R4000        0x0166
75 #define IMAGE_FILE_MACHINE_SH3          0x01a2
76 #define IMAGE_FILE_MACHINE_SH3DSP       0x01a3
77 #define IMAGE_FILE_MACHINE_SH3E         0x01a4
78 #define IMAGE_FILE_MACHINE_SH4          0x01a6
79 #define IMAGE_FILE_MACHINE_SH5          0x01a8
80 #define IMAGE_FILE_MACHINE_THUMB        0x01c2
81 #define IMAGE_FILE_MACHINE_WCEMIPSV2    0x0169
82
83 /* flags */
84 #define IMAGE_FILE_RELOCS_STRIPPED           0x0001
85 #define IMAGE_FILE_EXECUTABLE_IMAGE          0x0002
86 #define IMAGE_FILE_LINE_NUMS_STRIPPED        0x0004
87 #define IMAGE_FILE_LOCAL_SYMS_STRIPPED       0x0008
88 #define IMAGE_FILE_AGGRESSIVE_WS_TRIM        0x0010
89 #define IMAGE_FILE_LARGE_ADDRESS_AWARE       0x0020
90 #define IMAGE_FILE_16BIT_MACHINE             0x0040
91 #define IMAGE_FILE_BYTES_REVERSED_LO         0x0080
92 #define IMAGE_FILE_32BIT_MACHINE             0x0100
93 #define IMAGE_FILE_DEBUG_STRIPPED            0x0200
94 #define IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP   0x0400
95 #define IMAGE_FILE_NET_RUN_FROM_SWAP         0x0800
96 #define IMAGE_FILE_SYSTEM                    0x1000
97 #define IMAGE_FILE_DLL                       0x2000
98 #define IMAGE_FILE_UP_SYSTEM_ONLY            0x4000
99 #define IMAGE_FILE_BYTES_REVERSED_HI         0x8000
100
101 struct pe_hdr {
102         uint32_t magic;         /* PE magic */
103         uint16_t machine;       /* machine type */
104         uint16_t sections;      /* number of sections */
105         uint32_t timestamp;     /* time_t */
106         uint32_t symbol_table;  /* symbol table offset */
107         uint32_t symbols;       /* number of symbols */
108         uint16_t opt_hdr_size;  /* size of optional header */
109         uint16_t flags;         /* flags */
110 };
111
112 #define IMAGE_FILE_OPT_ROM_MAGIC        0x107
113 #define IMAGE_FILE_OPT_PE32_MAGIC       0x10b
114 #define IMAGE_FILE_OPT_PE32_PLUS_MAGIC  0x20b
115
116 #define IMAGE_SUBSYSTEM_UNKNOWN                  0
117 #define IMAGE_SUBSYSTEM_NATIVE                   1
118 #define IMAGE_SUBSYSTEM_WINDOWS_GUI              2
119 #define IMAGE_SUBSYSTEM_WINDOWS_CUI              3
120 #define IMAGE_SUBSYSTEM_POSIX_CUI                7
121 #define IMAGE_SUBSYSTEM_WINDOWS_CE_GUI           9
122 #define IMAGE_SUBSYSTEM_EFI_APPLICATION         10
123 #define IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER 11
124 #define IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER      12
125 #define IMAGE_SUBSYSTEM_EFI_ROM_IMAGE           13
126 #define IMAGE_SUBSYSTEM_XBOX                    14
127
128 #define IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE          0x0040
129 #define IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY       0x0080
130 #define IMAGE_DLL_CHARACTERISTICS_NX_COMPAT             0x0100
131 #define IMAGE_DLLCHARACTERISTICS_NO_ISOLATION           0x0200
132 #define IMAGE_DLLCHARACTERISTICS_NO_SEH                 0x0400
133 #define IMAGE_DLLCHARACTERISTICS_NO_BIND                0x0800
134 #define IMAGE_DLLCHARACTERISTICS_WDM_DRIVER             0x2000
135 #define IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE  0x8000
136
137 /* the fact that pe32 isn't padded where pe32+ is 64-bit means union won't
138  * work right.  vomit. */
139 struct pe32_opt_hdr {
140         /* "standard" header */
141         uint16_t magic;         /* file type */
142         uint8_t  ld_major;      /* linker major version */
143         uint8_t  ld_minor;      /* linker minor version */
144         uint32_t text_size;     /* size of text section(s) */
145         uint32_t data_size;     /* size of data section(s) */
146         uint32_t bss_size;      /* size of bss section(s) */
147         uint32_t entry_point;   /* file offset of entry point */
148         uint32_t code_base;     /* relative code addr in ram */
149         uint32_t data_base;     /* relative data addr in ram */
150         /* "windows" header */
151         uint32_t image_base;    /* preferred load address */
152         uint32_t section_align; /* alignment in bytes */
153         uint32_t file_align;    /* file alignment in bytes */
154         uint16_t os_major;      /* major OS version */
155         uint16_t os_minor;      /* minor OS version */
156         uint16_t image_major;   /* major image version */
157         uint16_t image_minor;   /* minor image version */
158         uint16_t subsys_major;  /* major subsystem version */
159         uint16_t subsys_minor;  /* minor subsystem version */
160         uint32_t win32_version; /* reserved, must be 0 */
161         uint32_t image_size;    /* image size */
162         uint32_t header_size;   /* header size rounded up to
163                                    file_align */
164         uint32_t csum;          /* checksum */
165         uint16_t subsys;        /* subsystem */
166         uint16_t dll_flags;     /* more flags! */
167         uint32_t stack_size_req;/* amt of stack requested */
168         uint32_t stack_size;    /* amt of stack required */
169         uint32_t heap_size_req; /* amt of heap requested */
170         uint32_t heap_size;     /* amt of heap required */
171         uint32_t loader_flags;  /* reserved, must be 0 */
172         uint32_t data_dirs;     /* number of data dir entries */
173 };
174
175 struct pe32plus_opt_hdr {
176         uint16_t magic;         /* file type */
177         uint8_t  ld_major;      /* linker major version */
178         uint8_t  ld_minor;      /* linker minor version */
179         uint32_t text_size;     /* size of text section(s) */
180         uint32_t data_size;     /* size of data section(s) */
181         uint32_t bss_size;      /* size of bss section(s) */
182         uint32_t entry_point;   /* file offset of entry point */
183         uint32_t code_base;     /* relative code addr in ram */
184         /* "windows" header */
185         uint64_t image_base;    /* preferred load address */
186         uint32_t section_align; /* alignment in bytes */
187         uint32_t file_align;    /* file alignment in bytes */
188         uint16_t os_major;      /* major OS version */
189         uint16_t os_minor;      /* minor OS version */
190         uint16_t image_major;   /* major image version */
191         uint16_t image_minor;   /* minor image version */
192         uint16_t subsys_major;  /* major subsystem version */
193         uint16_t subsys_minor;  /* minor subsystem version */
194         uint32_t win32_version; /* reserved, must be 0 */
195         uint32_t image_size;    /* image size */
196         uint32_t header_size;   /* header size rounded up to
197                                    file_align */
198         uint32_t csum;          /* checksum */
199         uint16_t subsys;        /* subsystem */
200         uint16_t dll_flags;     /* more flags! */
201         uint64_t stack_size_req;/* amt of stack requested */
202         uint64_t stack_size;    /* amt of stack required */
203         uint64_t heap_size_req; /* amt of heap requested */
204         uint64_t heap_size;     /* amt of heap required */
205         uint32_t loader_flags;  /* reserved, must be 0 */
206         uint32_t data_dirs;     /* number of data dir entries */
207 };
208
209 struct data_dirent {
210         uint32_t virtual_address;       /* relative to load address */
211         uint32_t size;
212 };
213
214 struct data_directory {
215         struct data_dirent exports;             /* .edata */
216         struct data_dirent imports;             /* .idata */
217         struct data_dirent resources;           /* .rsrc */
218         struct data_dirent exceptions;          /* .pdata */
219         struct data_dirent certs;               /* certs */
220         struct data_dirent base_relocations;    /* .reloc */
221         struct data_dirent debug;               /* .debug */
222         struct data_dirent arch;                /* reservered */
223         struct data_dirent global_ptr;          /* global pointer reg. Size=0 */
224         struct data_dirent tls;                 /* .tls */
225         struct data_dirent load_config;         /* load configuration structure */
226         struct data_dirent bound_imports;       /* no idea */
227         struct data_dirent import_addrs;        /* import address table */
228         struct data_dirent delay_imports;       /* delay-load import table */
229         struct data_dirent clr_runtime_hdr;     /* .cor (object only) */
230         struct data_dirent reserved;
231 };
232
233 struct section_header {
234         char name[8];                   /* name or "/12\0" string tbl offset */
235         uint32_t virtual_size;          /* size of loaded section in ram */
236         uint32_t virtual_address;       /* relative virtual address */
237         uint32_t raw_data_size;         /* size of the section */
238         uint32_t data_addr;             /* file pointer to first page of sec */
239         uint32_t relocs;                /* file pointer to relocation entries */
240         uint32_t line_numbers;          /* line numbers! */
241         uint16_t num_relocs;            /* number of relocations */
242         uint16_t num_lin_numbers;       /* srsly. */
243         uint32_t flags;
244 };
245
246 /* they actually defined 0x00000000 as well, but I think we'll skip that one. */
247 #define IMAGE_SCN_RESERVED_0    0x00000001
248 #define IMAGE_SCN_RESERVED_1    0x00000002
249 #define IMAGE_SCN_RESERVED_2    0x00000004
250 #define IMAGE_SCN_TYPE_NO_PAD   0x00000008 /* don't pad - obsolete */
251 #define IMAGE_SCN_RESERVED_3    0x00000010
252 #define IMAGE_SCN_CNT_CODE      0x00000020 /* .text */
253 #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 /* .data */
254 #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 /* .bss */
255 #define IMAGE_SCN_LNK_OTHER     0x00000100 /* reserved */
256 #define IMAGE_SCN_LNK_INFO      0x00000200 /* .drectve comments */
257 #define IMAGE_SCN_RESERVED_4    0x00000400
258 #define IMAGE_SCN_LNK_REMOVE    0x00000800 /* .o only - scn to be rm'd*/
259 #define IMAGE_SCN_LNK_COMDAT    0x00001000 /* .o only - COMDAT data */
260 #define IMAGE_SCN_RESERVED_5    0x00002000 /* spec omits this */
261 #define IMAGE_SCN_RESERVED_6    0x00004000 /* spec omits this */
262 #define IMAGE_SCN_GPREL         0x00008000 /* global pointer referenced data */
263 /* spec lists 0x20000 twice, I suspect they meant 0x10000 for one of them */
264 #define IMAGE_SCN_MEM_PURGEABLE 0x00010000 /* reserved for "future" use */
265 #define IMAGE_SCN_16BIT         0x00020000 /* reserved for "future" use */
266 #define IMAGE_SCN_LOCKED        0x00040000 /* reserved for "future" use */
267 #define IMAGE_SCN_PRELOAD       0x00080000 /* reserved for "future" use */
268 /* and here they just stuck a 1-byte integer in the middle of a bitfield */
269 #define IMAGE_SCN_ALIGN_1BYTES  0x00100000 /* it does what it says on the box */
270 #define IMAGE_SCN_ALIGN_2BYTES  0x00200000
271 #define IMAGE_SCN_ALIGN_4BYTES  0x00300000
272 #define IMAGE_SCN_ALIGN_8BYTES  0x00400000
273 #define IMAGE_SCN_ALIGN_16BYTES 0x00500000
274 #define IMAGE_SCN_ALIGN_32BYTES 0x00600000
275 #define IMAGE_SCN_ALIGN_64BYTES 0x00700000
276 #define IMAGE_SCN_ALIGN_128BYTES 0x00800000
277 #define IMAGE_SCN_ALIGN_256BYTES 0x00900000
278 #define IMAGE_SCN_ALIGN_512BYTES 0x00a00000
279 #define IMAGE_SCN_ALIGN_1024BYTES 0x00b00000
280 #define IMAGE_SCN_ALIGN_2048BYTES 0x00c00000
281 #define IMAGE_SCN_ALIGN_4096BYTES 0x00d00000
282 #define IMAGE_SCN_ALIGN_8192BYTES 0x00e00000
283 #define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* extended relocations */
284 #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 /* scn can be discarded */
285 #define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 /* cannot be cached */
286 #define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 /* not pageable */
287 #define IMAGE_SCN_MEM_SHARED    0x10000000 /* can be shared */
288 #define IMAGE_SCN_MEM_EXECUTE   0x20000000 /* can be executed as code */
289 #define IMAGE_SCN_MEM_READ      0x40000000 /* readable */
290 #define IMAGE_SCN_MEM_WRITE     0x80000000 /* writeable */
291
292 enum x64_coff_reloc_type {
293         IMAGE_REL_AMD64_ABSOLUTE = 0,
294         IMAGE_REL_AMD64_ADDR64,
295         IMAGE_REL_AMD64_ADDR32,
296         IMAGE_REL_AMD64_ADDR32N,
297         IMAGE_REL_AMD64_REL32,
298         IMAGE_REL_AMD64_REL32_1,
299         IMAGE_REL_AMD64_REL32_2,
300         IMAGE_REL_AMD64_REL32_3,
301         IMAGE_REL_AMD64_REL32_4,
302         IMAGE_REL_AMD64_REL32_5,
303         IMAGE_REL_AMD64_SECTION,
304         IMAGE_REL_AMD64_SECREL,
305         IMAGE_REL_AMD64_SECREL7,
306         IMAGE_REL_AMD64_TOKEN,
307         IMAGE_REL_AMD64_SREL32,
308         IMAGE_REL_AMD64_PAIR,
309         IMAGE_REL_AMD64_SSPAN32,
310 };
311
312 enum arm_coff_reloc_type {
313         IMAGE_REL_ARM_ABSOLUTE,
314         IMAGE_REL_ARM_ADDR32,
315         IMAGE_REL_ARM_ADDR32N,
316         IMAGE_REL_ARM_BRANCH2,
317         IMAGE_REL_ARM_BRANCH1,
318         IMAGE_REL_ARM_SECTION,
319         IMAGE_REL_ARM_SECREL,
320 };
321
322 enum sh_coff_reloc_type {
323         IMAGE_REL_SH3_ABSOLUTE,
324         IMAGE_REL_SH3_DIRECT16,
325         IMAGE_REL_SH3_DIRECT32,
326         IMAGE_REL_SH3_DIRECT8,
327         IMAGE_REL_SH3_DIRECT8_WORD,
328         IMAGE_REL_SH3_DIRECT8_LONG,
329         IMAGE_REL_SH3_DIRECT4,
330         IMAGE_REL_SH3_DIRECT4_WORD,
331         IMAGE_REL_SH3_DIRECT4_LONG,
332         IMAGE_REL_SH3_PCREL8_WORD,
333         IMAGE_REL_SH3_PCREL8_LONG,
334         IMAGE_REL_SH3_PCREL12_WORD,
335         IMAGE_REL_SH3_STARTOF_SECTION,
336         IMAGE_REL_SH3_SIZEOF_SECTION,
337         IMAGE_REL_SH3_SECTION,
338         IMAGE_REL_SH3_SECREL,
339         IMAGE_REL_SH3_DIRECT32_NB,
340         IMAGE_REL_SH3_GPREL4_LONG,
341         IMAGE_REL_SH3_TOKEN,
342         IMAGE_REL_SHM_PCRELPT,
343         IMAGE_REL_SHM_REFLO,
344         IMAGE_REL_SHM_REFHALF,
345         IMAGE_REL_SHM_RELLO,
346         IMAGE_REL_SHM_RELHALF,
347         IMAGE_REL_SHM_PAIR,
348         IMAGE_REL_SHM_NOMODE,
349 };
350
351 enum ppc_coff_reloc_type {
352         IMAGE_REL_PPC_ABSOLUTE,
353         IMAGE_REL_PPC_ADDR64,
354         IMAGE_REL_PPC_ADDR32,
355         IMAGE_REL_PPC_ADDR24,
356         IMAGE_REL_PPC_ADDR16,
357         IMAGE_REL_PPC_ADDR14,
358         IMAGE_REL_PPC_REL24,
359         IMAGE_REL_PPC_REL14,
360         IMAGE_REL_PPC_ADDR32N,
361         IMAGE_REL_PPC_SECREL,
362         IMAGE_REL_PPC_SECTION,
363         IMAGE_REL_PPC_SECREL16,
364         IMAGE_REL_PPC_REFHI,
365         IMAGE_REL_PPC_REFLO,
366         IMAGE_REL_PPC_PAIR,
367         IMAGE_REL_PPC_SECRELLO,
368         IMAGE_REL_PPC_GPREL,
369         IMAGE_REL_PPC_TOKEN,
370 };
371
372 enum x86_coff_reloc_type {
373         IMAGE_REL_I386_ABSOLUTE,
374         IMAGE_REL_I386_DIR16,
375         IMAGE_REL_I386_REL16,
376         IMAGE_REL_I386_DIR32,
377         IMAGE_REL_I386_DIR32NB,
378         IMAGE_REL_I386_SEG12,
379         IMAGE_REL_I386_SECTION,
380         IMAGE_REL_I386_SECREL,
381         IMAGE_REL_I386_TOKEN,
382         IMAGE_REL_I386_SECREL7,
383         IMAGE_REL_I386_REL32,
384 };
385
386 enum ia64_coff_reloc_type {
387         IMAGE_REL_IA64_ABSOLUTE,
388         IMAGE_REL_IA64_IMM14,
389         IMAGE_REL_IA64_IMM22,
390         IMAGE_REL_IA64_IMM64,
391         IMAGE_REL_IA64_DIR32,
392         IMAGE_REL_IA64_DIR64,
393         IMAGE_REL_IA64_PCREL21B,
394         IMAGE_REL_IA64_PCREL21M,
395         IMAGE_REL_IA64_PCREL21F,
396         IMAGE_REL_IA64_GPREL22,
397         IMAGE_REL_IA64_LTOFF22,
398         IMAGE_REL_IA64_SECTION,
399         IMAGE_REL_IA64_SECREL22,
400         IMAGE_REL_IA64_SECREL64I,
401         IMAGE_REL_IA64_SECREL32,
402         IMAGE_REL_IA64_DIR32NB,
403         IMAGE_REL_IA64_SREL14,
404         IMAGE_REL_IA64_SREL22,
405         IMAGE_REL_IA64_SREL32,
406         IMAGE_REL_IA64_UREL32,
407         IMAGE_REL_IA64_PCREL60X,
408         IMAGE_REL_IA64_PCREL60B,
409         IMAGE_REL_IA64_PCREL60F,
410         IMAGE_REL_IA64_PCREL60I,
411         IMAGE_REL_IA64_PCREL60M,
412         IMAGE_REL_IA64_IMMGPREL6,
413         IMAGE_REL_IA64_TOKEN,
414         IMAGE_REL_IA64_GPREL32,
415         IMAGE_REL_IA64_ADDEND,
416 };
417
418 struct coff_reloc {
419         uint32_t virtual_address;
420         uint32_t symbol_table_index;
421         union {
422                 enum x64_coff_reloc_type  x64_type;
423                 enum arm_coff_reloc_type  arm_type;
424                 enum sh_coff_reloc_type   sh_type;
425                 enum ppc_coff_reloc_type  ppc_type;
426                 enum x86_coff_reloc_type  x86_type;
427                 enum ia64_coff_reloc_type ia64_type;
428                 uint16_t data;
429         };
430 };
431
432 /*
433  * Definitions for the contents of the certs data block
434  */
435 #define WIN_CERT_TYPE_PKCS_SIGNED_DATA  0x0002
436 #define WIN_CERT_TYPE_EFI_OKCS115       0x0EF0
437 #define WIN_CERT_TYPE_EFI_GUID          0x0EF1
438
439 #define WIN_CERT_REVISION_1_0   0x0100
440 #define WIN_CERT_REVISION_2_0   0x0200
441
442 struct win_certificate {
443         uint32_t length;
444         uint16_t revision;
445         uint16_t cert_type;
446 };
447
448 #endif /* __LINUX_PE_H */