pe.h revision 78828
1/* pe.h  -  PE COFF header information
2
3   Copyright 2000, 2001 Free Software Foundation, Inc.
4
5   This file is part of BFD, the Binary File Descriptor library.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 2 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software Foundation,
19   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
20#ifndef _PE_H
21#define _PE_H
22
23/* NT specific file attributes.  */
24#define IMAGE_FILE_RELOCS_STRIPPED           0x0001
25#define IMAGE_FILE_EXECUTABLE_IMAGE          0x0002
26#define IMAGE_FILE_LINE_NUMS_STRIPPED        0x0004
27#define IMAGE_FILE_LOCAL_SYMS_STRIPPED       0x0008
28#define IMAGE_FILE_AGGRESSIVE_WS_TRIM        0x0010
29#define IMAGE_FILE_LARGE_ADDRESS_AWARE       0x0020
30#define IMAGE_FILE_16BIT_MACHINE             0x0040
31#define IMAGE_FILE_BYTES_REVERSED_LO         0x0080
32#define IMAGE_FILE_32BIT_MACHINE             0x0100
33#define IMAGE_FILE_DEBUG_STRIPPED            0x0200
34#define IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP   0x0400
35#define IMAGE_FILE_SYSTEM                    0x1000
36#define IMAGE_FILE_DLL                       0x2000
37#define IMAGE_FILE_UP_SYSTEM_ONLY            0x4000
38#define IMAGE_FILE_BYTES_REVERSED_HI         0x8000
39
40/* Additional flags to be set for section headers to allow the NT loader to
41   read and write to the section data (to replace the addresses of data in
42   dlls for one thing); also to execute the section in .text's case.  */
43#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000
44#define IMAGE_SCN_MEM_EXECUTE     0x20000000
45#define IMAGE_SCN_MEM_READ        0x40000000
46#define IMAGE_SCN_MEM_WRITE       0x80000000
47
48/* Section characteristics added for ppc-nt.  */
49
50#define IMAGE_SCN_TYPE_NO_PAD                0x00000008  /* Reserved. */
51
52#define IMAGE_SCN_CNT_CODE                   0x00000020  /* Section contains code. */
53#define IMAGE_SCN_CNT_INITIALIZED_DATA       0x00000040  /* Section contains initialized data. */
54#define IMAGE_SCN_CNT_UNINITIALIZED_DATA     0x00000080  /* Section contains uninitialized data. */
55
56#define IMAGE_SCN_LNK_OTHER                  0x00000100  /* Reserved. */
57#define IMAGE_SCN_LNK_INFO                   0x00000200  /* Section contains comments or some other type of information. */
58#define IMAGE_SCN_LNK_REMOVE                 0x00000800  /* Section contents will not become part of image. */
59#define IMAGE_SCN_LNK_COMDAT                 0x00001000  /* Section contents comdat. */
60
61#define IMAGE_SCN_MEM_FARDATA                0x00008000
62
63#define IMAGE_SCN_MEM_PURGEABLE              0x00020000
64#define IMAGE_SCN_MEM_16BIT                  0x00020000
65#define IMAGE_SCN_MEM_LOCKED                 0x00040000
66#define IMAGE_SCN_MEM_PRELOAD                0x00080000
67
68#define IMAGE_SCN_ALIGN_1BYTES               0x00100000
69#define IMAGE_SCN_ALIGN_2BYTES               0x00200000
70#define IMAGE_SCN_ALIGN_4BYTES               0x00300000
71#define IMAGE_SCN_ALIGN_8BYTES               0x00400000
72#define IMAGE_SCN_ALIGN_16BYTES              0x00500000  /* Default alignment if no others are specified. */
73#define IMAGE_SCN_ALIGN_32BYTES              0x00600000
74#define IMAGE_SCN_ALIGN_64BYTES              0x00700000
75
76#define IMAGE_SCN_LNK_NRELOC_OVFL            0x01000000  /* Section contains extended relocations. */
77#define IMAGE_SCN_MEM_NOT_CACHED             0x04000000  /* Section is not cachable.               */
78#define IMAGE_SCN_MEM_NOT_PAGED              0x08000000  /* Section is not pageable.               */
79#define IMAGE_SCN_MEM_SHARED                 0x10000000  /* Section is shareable.                  */
80
81/* COMDAT selection codes.  */
82
83#define IMAGE_COMDAT_SELECT_NODUPLICATES     (1) /* Warn if duplicates.  */
84#define IMAGE_COMDAT_SELECT_ANY		     (2) /* No warning.  */
85#define IMAGE_COMDAT_SELECT_SAME_SIZE	     (3) /* Warn if different size.  */
86#define IMAGE_COMDAT_SELECT_EXACT_MATCH	     (4) /* Warn if different.  */
87#define IMAGE_COMDAT_SELECT_ASSOCIATIVE	     (5) /* Base on other section.  */
88
89/* Machine numbers.  */
90
91#define IMAGE_FILE_MACHINE_UNKNOWN           0x0
92#define IMAGE_FILE_MACHINE_ALPHA             0x184
93#define IMAGE_FILE_MACHINE_ARM               0x1c0
94#define IMAGE_FILE_MACHINE_ALPHA64           0x284
95#define IMAGE_FILE_MACHINE_I386              0x14c
96#define IMAGE_FILE_MACHINE_IA64              0x200
97#define IMAGE_FILE_MACHINE_M68K              0x268
98#define IMAGE_FILE_MACHINE_MIPS16            0x266
99#define IMAGE_FILE_MACHINE_MIPSFPU           0x366
100#define IMAGE_FILE_MACHINE_MIPSFPU16         0x466
101#define IMAGE_FILE_MACHINE_POWERPC           0x1f0
102#define IMAGE_FILE_MACHINE_R3000             0x162
103#define IMAGE_FILE_MACHINE_R4000             0x166
104#define IMAGE_FILE_MACHINE_R10000            0x168
105#define IMAGE_FILE_MACHINE_SH3               0x1a2
106#define IMAGE_FILE_MACHINE_SH4               0x1a6
107#define IMAGE_FILE_MACHINE_THUMB             0x1c2
108
109#define IMAGE_SUBSYSTEM_UNKNOWN			 0
110#define IMAGE_SUBSYSTEM_NATIVE			 1
111#define IMAGE_SUBSYSTEM_WINDOWS_GUI		 2
112#define IMAGE_SUBSYSTEM_WINDOWS_CUI		 3
113#define IMAGE_SUBSYSTEM_POSIX_CUI		 7
114#define IMAGE_SUBSYSTEM_WINDOWS_CE_GUI		 9
115#define IMAGE_SUBSYSTEM_EFI_APPLICATION		10
116#define IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER	11
117#define IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER	12
118
119/* Magic values that are true for all dos/nt implementations.  */
120#define DOSMAGIC       0x5a4d
121#define NT_SIGNATURE   0x00004550
122
123/* NT allows long filenames, we want to accommodate this.
124   This may break some of the bfd functions.  */
125#undef  FILNMLEN
126#define FILNMLEN	18	/* # characters in a file name.  */
127
128struct external_PEI_DOS_hdr
129{
130  /* DOS header fields - always at offset zero in the EXE file.  */
131  char e_magic[2];		/* Magic number, 0x5a4d.  */
132  char e_cblp[2];		/* Bytes on last page of file, 0x90.  */
133  char e_cp[2];			/* Pages in file, 0x3.  */
134  char e_crlc[2];		/* Relocations, 0x0.  */
135  char e_cparhdr[2];		/* Size of header in paragraphs, 0x4.  */
136  char e_minalloc[2];		/* Minimum extra paragraphs needed, 0x0.  */
137  char e_maxalloc[2];		/* Maximum extra paragraphs needed, 0xFFFF.  */
138  char e_ss[2];			/* Initial (relative) SS value, 0x0.  */
139  char e_sp[2];			/* Initial SP value, 0xb8.  */
140  char e_csum[2];		/* Checksum, 0x0.  */
141  char e_ip[2];			/* Initial IP value, 0x0.  */
142  char e_cs[2];			/* Initial (relative) CS value, 0x0.  */
143  char e_lfarlc[2];		/* File address of relocation table, 0x40.  */
144  char e_ovno[2];		/* Overlay number, 0x0.  */
145  char e_res[4][2];		/* Reserved words, all 0x0.  */
146  char e_oemid[2];		/* OEM identifier (for e_oeminfo), 0x0.  */
147  char e_oeminfo[2];		/* OEM information; e_oemid specific, 0x0.  */
148  char e_res2[10][2];		/* Reserved words, all 0x0.  */
149  char e_lfanew[4];		/* File address of new exe header, usually 0x80.  */
150  char dos_message[16][4];	/* Other stuff, always follow DOS header.  */
151};
152
153struct external_PEI_IMAGE_hdr
154{
155  char nt_signature[4];		/* required NT signature, 0x4550.  */
156
157  /* From standard header.  */
158  char f_magic[2];		/* Magic number.		*/
159  char f_nscns[2];		/* Number of sections.		*/
160  char f_timdat[4];		/* Time & date stamp.		*/
161  char f_symptr[4];		/* File pointer to symtab.	*/
162  char f_nsyms[4];		/* Number of symtab entries.	*/
163  char f_opthdr[2];		/* Sizeof(optional hdr).	*/
164  char f_flags[2];		/* Flags.			*/
165};
166
167struct external_PEI_filehdr
168{
169  /* DOS header fields - always at offset zero in the EXE file.  */
170  char e_magic[2];		/* Magic number, 0x5a4d.  */
171  char e_cblp[2];		/* Bytes on last page of file, 0x90.  */
172  char e_cp[2];			/* Pages in file, 0x3.  */
173  char e_crlc[2];		/* Relocations, 0x0.  */
174  char e_cparhdr[2];		/* Size of header in paragraphs, 0x4.  */
175  char e_minalloc[2];		/* Minimum extra paragraphs needed, 0x0.  */
176  char e_maxalloc[2];		/* Maximum extra paragraphs needed, 0xFFFF.  */
177  char e_ss[2];			/* Initial (relative) SS value, 0x0.  */
178  char e_sp[2];			/* Initial SP value, 0xb8.  */
179  char e_csum[2];		/* Checksum, 0x0.  */
180  char e_ip[2];			/* Initial IP value, 0x0.  */
181  char e_cs[2];			/* Initial (relative) CS value, 0x0.  */
182  char e_lfarlc[2];		/* File address of relocation table, 0x40.  */
183  char e_ovno[2];		/* Overlay number, 0x0.  */
184  char e_res[4][2];		/* Reserved words, all 0x0.  */
185  char e_oemid[2];		/* OEM identifier (for e_oeminfo), 0x0.  */
186  char e_oeminfo[2];		/* OEM information; e_oemid specific, 0x0.  */
187  char e_res2[10][2];		/* Reserved words, all 0x0.  */
188  char e_lfanew[4];		/* File address of new exe header, usually 0x80.  */
189  char dos_message[16][4];	/* Other stuff, always follow DOS header.  */
190
191  /* Note: additional bytes may be inserted before the signature.  Use
192   the e_lfanew field to find the actual location of the NT signature.  */
193
194  char nt_signature[4];		/* required NT signature, 0x4550.  */
195
196  /* From standard header.  */
197  char f_magic[2];		/* Magic number.		*/
198  char f_nscns[2];		/* Number of sections.		*/
199  char f_timdat[4];		/* Time & date stamp.		*/
200  char f_symptr[4];		/* File pointer to symtab.	*/
201  char f_nsyms[4];		/* Number of symtab entries.	*/
202  char f_opthdr[2];		/* Sizeof(optional hdr).	*/
203  char f_flags[2];		/* Flags.			*/
204};
205
206#ifdef COFF_IMAGE_WITH_PE
207
208/* The filehdr is only weird in images.  */
209
210#undef  FILHDR
211#define FILHDR struct external_PEI_filehdr
212#undef  FILHSZ
213#define FILHSZ 152
214
215#endif /* COFF_IMAGE_WITH_PE */
216
217/* 32-bit PE a.out header: */
218
219typedef struct
220{
221  AOUTHDR standard;
222
223  /* NT extra fields; see internal.h for descriptions.  */
224  char  ImageBase[4];
225  char  SectionAlignment[4];
226  char  FileAlignment[4];
227  char  MajorOperatingSystemVersion[2];
228  char  MinorOperatingSystemVersion[2];
229  char  MajorImageVersion[2];
230  char  MinorImageVersion[2];
231  char  MajorSubsystemVersion[2];
232  char  MinorSubsystemVersion[2];
233  char  Reserved1[4];
234  char  SizeOfImage[4];
235  char  SizeOfHeaders[4];
236  char  CheckSum[4];
237  char  Subsystem[2];
238  char  DllCharacteristics[2];
239  char  SizeOfStackReserve[4];
240  char  SizeOfStackCommit[4];
241  char  SizeOfHeapReserve[4];
242  char  SizeOfHeapCommit[4];
243  char  LoaderFlags[4];
244  char  NumberOfRvaAndSizes[4];
245  /* IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];  */
246  char  DataDirectory[16][2][4]; /* 16 entries, 2 elements/entry, 4 chars.  */
247} PEAOUTHDR;
248#undef AOUTSZ
249#define AOUTSZ (AOUTHDRSZ + 196)
250
251/* Like PEAOUTHDR, except that the "standard" member has no BaseOfData
252   (aka data_start) member and that some of the members are 8 instead
253   of just 4 bytes long.  */
254typedef struct
255{
256  AOUTHDR standard;
257
258  /* NT extra fields; see internal.h for descriptions.  */
259  char  ImageBase[8];
260  char  SectionAlignment[4];
261  char  FileAlignment[4];
262  char  MajorOperatingSystemVersion[2];
263  char  MinorOperatingSystemVersion[2];
264  char  MajorImageVersion[2];
265  char  MinorImageVersion[2];
266  char  MajorSubsystemVersion[2];
267  char  MinorSubsystemVersion[2];
268  char  Reserved1[4];
269  char  SizeOfImage[4];
270  char  SizeOfHeaders[4];
271  char  CheckSum[4];
272  char  Subsystem[2];
273  char  DllCharacteristics[2];
274  char  SizeOfStackReserve[8];
275  char  SizeOfStackCommit[8];
276  char  SizeOfHeapReserve[8];
277  char  SizeOfHeapCommit[8];
278  char  LoaderFlags[4];
279  char  NumberOfRvaAndSizes[4];
280  /* IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];  */
281  char  DataDirectory[16][2][4]; /* 16 entries, 2 elements/entry, 4 chars.  */
282} PEPAOUTHDR;
283#define PEPAOUTSZ	240
284
285#undef  E_FILNMLEN
286#define E_FILNMLEN	18	/* # characters in a file name.  */
287
288/* Import Tyoes fot ILF format object files..  */
289#define IMPORT_CODE	0
290#define IMPORT_DATA	1
291#define IMPORT_CONST	2
292
293/* Import Name Tyoes for ILF format object files.  */
294#define IMPORT_ORDINAL		0
295#define IMPORT_NAME		1
296#define IMPORT_NAME_NOPREFIX	2
297#define IMPORT_NAME_UNDECORATE	3
298
299#endif /* _PE_H */
300