Commit | Line | Data |
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6012853d | 1 | /* Add an uninitialized data section to an executable. |
acaf905b | 2 | Copyright (C) 1999, 2001-2012 Free Software Foundation, Inc. |
6012853d AI |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
eef0be9e | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
6012853d | 7 | it under the terms of the GNU General Public License as published by |
eef0be9e GM |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. | |
6012853d AI |
10 | |
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
eef0be9e GM |
17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
18 | ||
6012853d AI |
19 | |
20 | Andrew Innes <andrewi@harlequin.co.uk> 04-Jan-1999 | |
21 | based on code from unexw32.c | |
22 | */ | |
23 | ||
24 | #include <stdlib.h> | |
25 | #include <stdio.h> | |
26 | #include <fcntl.h> | |
27 | #include <time.h> | |
a1375c9f AI |
28 | #ifdef __GNUC__ |
29 | #define _ANONYMOUS_UNION | |
30 | #define _ANONYMOUS_STRUCT | |
31 | #endif | |
6012853d AI |
32 | #include <windows.h> |
33 | ||
34 | /* Include relevant definitions from IMAGEHLP.H, which can be found | |
35 | in \\win32sdk\mstools\samples\image\include\imagehlp.h. */ | |
36 | ||
37 | PIMAGE_NT_HEADERS | |
38 | (__stdcall * pfnCheckSumMappedFile) (LPVOID BaseAddress, | |
0597ab06 JB |
39 | DWORD FileLength, |
40 | LPDWORD HeaderSum, | |
41 | LPDWORD CheckSum); | |
6012853d AI |
42 | |
43 | #undef min | |
44 | #undef max | |
45 | #define min(x, y) (((x) < (y)) ? (x) : (y)) | |
46 | #define max(x, y) (((x) > (y)) ? (x) : (y)) | |
47 | ||
48 | ||
49 | /* File handling. */ | |
50 | ||
51 | typedef struct file_data { | |
0597ab06 JB |
52 | const char *name; |
53 | unsigned long size; | |
54 | HANDLE file; | |
55 | HANDLE file_mapping; | |
56 | unsigned char *file_base; | |
6012853d AI |
57 | } file_data; |
58 | ||
59 | int | |
0597ab06 | 60 | open_input_file (file_data *p_file, const char *filename) |
6012853d AI |
61 | { |
62 | HANDLE file; | |
63 | HANDLE file_mapping; | |
64 | void *file_base; | |
65 | unsigned long size, upper_size; | |
66 | ||
67 | file = CreateFile (filename, GENERIC_READ, FILE_SHARE_READ, NULL, | |
68 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); | |
177c0ea7 | 69 | if (file == INVALID_HANDLE_VALUE) |
6012853d AI |
70 | return FALSE; |
71 | ||
72 | size = GetFileSize (file, &upper_size); | |
177c0ea7 | 73 | file_mapping = CreateFileMapping (file, NULL, PAGE_READONLY, |
6012853d | 74 | 0, size, NULL); |
177c0ea7 | 75 | if (!file_mapping) |
6012853d AI |
76 | return FALSE; |
77 | ||
78 | file_base = MapViewOfFile (file_mapping, FILE_MAP_READ, 0, 0, size); | |
177c0ea7 | 79 | if (file_base == 0) |
6012853d AI |
80 | return FALSE; |
81 | ||
82 | p_file->name = filename; | |
83 | p_file->size = size; | |
84 | p_file->file = file; | |
85 | p_file->file_mapping = file_mapping; | |
86 | p_file->file_base = file_base; | |
87 | ||
88 | return TRUE; | |
89 | } | |
90 | ||
91 | int | |
0597ab06 | 92 | open_output_file (file_data *p_file, const char *filename, unsigned long size) |
6012853d AI |
93 | { |
94 | HANDLE file; | |
95 | HANDLE file_mapping; | |
96 | void *file_base; | |
97 | ||
98 | file = CreateFile (filename, GENERIC_READ | GENERIC_WRITE, 0, NULL, | |
99 | CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); | |
177c0ea7 | 100 | if (file == INVALID_HANDLE_VALUE) |
6012853d AI |
101 | return FALSE; |
102 | ||
177c0ea7 | 103 | file_mapping = CreateFileMapping (file, NULL, PAGE_READWRITE, |
6012853d | 104 | 0, size, NULL); |
177c0ea7 | 105 | if (!file_mapping) |
6012853d | 106 | return FALSE; |
177c0ea7 | 107 | |
6012853d | 108 | file_base = MapViewOfFile (file_mapping, FILE_MAP_WRITE, 0, 0, size); |
177c0ea7 | 109 | if (file_base == 0) |
6012853d | 110 | return FALSE; |
177c0ea7 | 111 | |
6012853d AI |
112 | p_file->name = filename; |
113 | p_file->size = size; | |
114 | p_file->file = file; | |
115 | p_file->file_mapping = file_mapping; | |
116 | p_file->file_base = file_base; | |
117 | ||
118 | return TRUE; | |
119 | } | |
120 | ||
121 | /* Close the system structures associated with the given file. */ | |
122 | void | |
123 | close_file_data (file_data *p_file) | |
124 | { | |
125 | UnmapViewOfFile (p_file->file_base); | |
126 | CloseHandle (p_file->file_mapping); | |
127 | /* For the case of output files, set final size. */ | |
128 | SetFilePointer (p_file->file, p_file->size, NULL, FILE_BEGIN); | |
129 | SetEndOfFile (p_file->file); | |
130 | CloseHandle (p_file->file); | |
131 | } | |
132 | ||
133 | ||
134 | /* Routines to manipulate NT executable file sections. */ | |
135 | ||
136 | unsigned long | |
137 | get_unrounded_section_size (PIMAGE_SECTION_HEADER p_section) | |
138 | { | |
139 | /* The true section size, before rounding, for an initialized data or | |
140 | code section. (Supposedly some linkers swap the meaning of these | |
141 | two values.) */ | |
142 | return min (p_section->SizeOfRawData, | |
143 | p_section->Misc.VirtualSize); | |
144 | } | |
145 | ||
146 | /* Return pointer to section header for named section. */ | |
147 | IMAGE_SECTION_HEADER * | |
0597ab06 | 148 | find_section (const char *name, IMAGE_NT_HEADERS *nt_header) |
6012853d AI |
149 | { |
150 | PIMAGE_SECTION_HEADER section; | |
151 | int i; | |
152 | ||
153 | section = IMAGE_FIRST_SECTION (nt_header); | |
154 | ||
155 | for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) | |
156 | { | |
157 | if (strcmp (section->Name, name) == 0) | |
158 | return section; | |
159 | section++; | |
160 | } | |
161 | return NULL; | |
162 | } | |
163 | ||
164 | /* Return pointer to section header for section containing the given | |
165 | relative virtual address. */ | |
166 | IMAGE_SECTION_HEADER * | |
167 | rva_to_section (DWORD rva, IMAGE_NT_HEADERS * nt_header) | |
168 | { | |
169 | PIMAGE_SECTION_HEADER section; | |
170 | int i; | |
171 | ||
172 | section = IMAGE_FIRST_SECTION (nt_header); | |
173 | ||
174 | for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) | |
175 | { | |
176 | /* Some linkers (eg. the NT SDK linker I believe) swapped the | |
177 | meaning of these two values - or rather, they ignored | |
178 | VirtualSize entirely and always set it to zero. This affects | |
179 | some very old exes (eg. gzip dated Dec 1993). Since | |
180 | w32_executable_type relies on this function to work reliably, | |
181 | we need to cope with this. */ | |
182 | DWORD real_size = max (section->SizeOfRawData, | |
183 | section->Misc.VirtualSize); | |
184 | if (rva >= section->VirtualAddress | |
185 | && rva < section->VirtualAddress + real_size) | |
186 | return section; | |
187 | section++; | |
188 | } | |
189 | return NULL; | |
190 | } | |
191 | ||
192 | /* Return pointer to section header for section containing the given | |
193 | offset in its raw data area. */ | |
194 | IMAGE_SECTION_HEADER * | |
195 | offset_to_section (DWORD offset, IMAGE_NT_HEADERS * nt_header) | |
196 | { | |
197 | PIMAGE_SECTION_HEADER section; | |
198 | int i; | |
199 | ||
200 | section = IMAGE_FIRST_SECTION (nt_header); | |
201 | ||
202 | for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) | |
203 | { | |
204 | if (offset >= section->PointerToRawData | |
205 | && offset < section->PointerToRawData + section->SizeOfRawData) | |
206 | return section; | |
207 | section++; | |
208 | } | |
209 | return NULL; | |
210 | } | |
211 | ||
212 | /* Return offset to an object in dst, given offset in src. We assume | |
213 | there is at least one section in both src and dst images, and that | |
214 | the some sections may have been added to dst (after sections in src). */ | |
215 | static DWORD | |
216 | relocate_offset (DWORD offset, | |
217 | IMAGE_NT_HEADERS * src_nt_header, | |
218 | IMAGE_NT_HEADERS * dst_nt_header) | |
219 | { | |
220 | PIMAGE_SECTION_HEADER src_section = IMAGE_FIRST_SECTION (src_nt_header); | |
221 | PIMAGE_SECTION_HEADER dst_section = IMAGE_FIRST_SECTION (dst_nt_header); | |
222 | int i = 0; | |
223 | ||
224 | while (offset >= src_section->PointerToRawData) | |
225 | { | |
226 | if (offset < src_section->PointerToRawData + src_section->SizeOfRawData) | |
227 | break; | |
228 | i++; | |
229 | if (i == src_nt_header->FileHeader.NumberOfSections) | |
230 | { | |
231 | /* Handle offsets after the last section. */ | |
232 | dst_section = IMAGE_FIRST_SECTION (dst_nt_header); | |
233 | dst_section += dst_nt_header->FileHeader.NumberOfSections - 1; | |
234 | while (dst_section->PointerToRawData == 0) | |
235 | dst_section--; | |
236 | while (src_section->PointerToRawData == 0) | |
237 | src_section--; | |
238 | return offset | |
239 | + (dst_section->PointerToRawData + dst_section->SizeOfRawData) | |
240 | - (src_section->PointerToRawData + src_section->SizeOfRawData); | |
241 | } | |
242 | src_section++; | |
243 | dst_section++; | |
244 | } | |
245 | return offset + | |
246 | (dst_section->PointerToRawData - src_section->PointerToRawData); | |
247 | } | |
248 | ||
249 | #define OFFSET_TO_RVA(offset, section) \ | |
250 | (section->VirtualAddress + ((DWORD)(offset) - section->PointerToRawData)) | |
251 | ||
252 | #define RVA_TO_OFFSET(rva, section) \ | |
253 | (section->PointerToRawData + ((DWORD)(rva) - section->VirtualAddress)) | |
254 | ||
255 | #define RVA_TO_SECTION_OFFSET(rva, section) \ | |
256 | ((DWORD)(rva) - section->VirtualAddress) | |
257 | ||
258 | /* Convert address in executing image to RVA. */ | |
259 | #define PTR_TO_RVA(ptr) ((DWORD)(ptr) - (DWORD) GetModuleHandle (NULL)) | |
260 | ||
261 | #define PTR_TO_OFFSET(ptr, pfile_data) \ | |
0597ab06 | 262 | ((unsigned const char *)(ptr) - (pfile_data)->file_base) |
6012853d AI |
263 | |
264 | #define OFFSET_TO_PTR(offset, pfile_data) \ | |
265 | ((pfile_data)->file_base + (DWORD)(offset)) | |
266 | ||
267 | #define ROUND_UP(p, align) (((DWORD)(p) + (align)-1) & ~((align)-1)) | |
268 | #define ROUND_DOWN(p, align) ((DWORD)(p) & ~((align)-1)) | |
269 | ||
270 | ||
271 | static void | |
177c0ea7 | 272 | copy_executable_and_add_section (file_data *p_infile, |
6012853d | 273 | file_data *p_outfile, |
0597ab06 | 274 | const char *new_section_name, |
6012853d AI |
275 | DWORD new_section_size) |
276 | { | |
277 | unsigned char *dst; | |
278 | PIMAGE_DOS_HEADER dos_header; | |
279 | PIMAGE_NT_HEADERS nt_header; | |
280 | PIMAGE_NT_HEADERS dst_nt_header; | |
281 | PIMAGE_SECTION_HEADER section; | |
282 | PIMAGE_SECTION_HEADER dst_section; | |
283 | DWORD offset; | |
284 | int i; | |
d2fcf769 | 285 | int be_verbose = GetEnvironmentVariable ("DEBUG_DUMP", NULL, 0) > 0; |
6012853d | 286 | |
d2fcf769 | 287 | #define COPY_CHUNK(message, src, size, verbose) \ |
6012853d | 288 | do { \ |
0597ab06 | 289 | unsigned const char *s = (void *)(src); \ |
6012853d | 290 | unsigned long count = (size); \ |
d2fcf769 EZ |
291 | if (verbose) \ |
292 | { \ | |
293 | printf ("%s\n", (message)); \ | |
294 | printf ("\t0x%08x Offset in input file.\n", s - p_infile->file_base); \ | |
295 | printf ("\t0x%08x Offset in output file.\n", dst - p_outfile->file_base); \ | |
296 | printf ("\t0x%08x Size in bytes.\n", count); \ | |
297 | } \ | |
6012853d AI |
298 | memcpy (dst, s, count); \ |
299 | dst += count; \ | |
300 | } while (0) | |
301 | ||
302 | #define DST_TO_OFFSET() PTR_TO_OFFSET (dst, p_outfile) | |
7466aec4 AI |
303 | #define ROUND_UP_DST_AND_ZERO(align) \ |
304 | do { \ | |
305 | unsigned char *newdst = p_outfile->file_base \ | |
306 | + ROUND_UP (DST_TO_OFFSET (), (align)); \ | |
307 | /* Zero the alignment slop; it may actually initialize real data. */ \ | |
308 | memset (dst, 0, newdst - dst); \ | |
309 | dst = newdst; \ | |
310 | } while (0) | |
6012853d AI |
311 | |
312 | /* Copy the source image sequentially, ie. section by section after | |
313 | copying the headers and section table, to simplify the process of | |
314 | adding an extra section table entry (which might force the raw | |
315 | section data to be relocated). | |
316 | ||
317 | Note that dst is updated implicitly by each COPY_CHUNK. */ | |
318 | ||
319 | dos_header = (PIMAGE_DOS_HEADER) p_infile->file_base; | |
177c0ea7 | 320 | nt_header = (PIMAGE_NT_HEADERS) (((unsigned long) dos_header) + |
6012853d AI |
321 | dos_header->e_lfanew); |
322 | section = IMAGE_FIRST_SECTION (nt_header); | |
177c0ea7 | 323 | |
6012853d AI |
324 | dst = (unsigned char *) p_outfile->file_base; |
325 | ||
326 | COPY_CHUNK ("Copying DOS header...", dos_header, | |
d2fcf769 | 327 | (DWORD) nt_header - (DWORD) dos_header, be_verbose); |
6012853d AI |
328 | dst_nt_header = (PIMAGE_NT_HEADERS) dst; |
329 | COPY_CHUNK ("Copying NT header...", nt_header, | |
d2fcf769 | 330 | (DWORD) section - (DWORD) nt_header, be_verbose); |
6012853d AI |
331 | dst_section = (PIMAGE_SECTION_HEADER) dst; |
332 | COPY_CHUNK ("Copying section table...", section, | |
d2fcf769 EZ |
333 | nt_header->FileHeader.NumberOfSections * sizeof (*section), |
334 | be_verbose); | |
6012853d AI |
335 | |
336 | /* To improve the efficiency of demand loading, make the file | |
337 | alignment match the section alignment (VC++ 6.0 does this by | |
338 | default anyway). */ | |
339 | dst_nt_header->OptionalHeader.FileAlignment = | |
340 | dst_nt_header->OptionalHeader.SectionAlignment; | |
341 | ||
342 | /* Add an uninitialized data section at the end, of the specified name | |
343 | and virtual size. */ | |
344 | if (find_section (new_section_name, nt_header) == NULL) | |
345 | /* Leave room for extra section table entry; filled in below. */ | |
346 | dst += sizeof (*section); | |
347 | else | |
348 | new_section_name = NULL; | |
349 | ||
7466aec4 AI |
350 | /* Align the first section's raw data area, and set the header size |
351 | field accordingly. */ | |
352 | ROUND_UP_DST_AND_ZERO (dst_nt_header->OptionalHeader.FileAlignment); | |
353 | dst_nt_header->OptionalHeader.SizeOfHeaders = DST_TO_OFFSET (); | |
354 | ||
6012853d AI |
355 | for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) |
356 | { | |
357 | char msg[100]; | |
d2fcf769 EZ |
358 | /* Windows section names are fixed 8-char strings, only |
359 | zero-terminated if the name is shorter than 8 characters. */ | |
360 | sprintf (msg, "Copying raw data for %.8s...", section->Name); | |
6012853d | 361 | |
6012853d AI |
362 | /* Update the file-relative offset for this section's raw data (if |
363 | it has any) in case things have been relocated; we will update | |
364 | the other offsets below once we know where everything is. */ | |
365 | if (dst_section->PointerToRawData) | |
366 | dst_section->PointerToRawData = DST_TO_OFFSET (); | |
367 | ||
368 | /* Can always copy the original raw data. */ | |
369 | COPY_CHUNK | |
370 | (msg, OFFSET_TO_PTR (section->PointerToRawData, p_infile), | |
d2fcf769 | 371 | section->SizeOfRawData, be_verbose); |
6012853d AI |
372 | |
373 | /* Round up the raw data size to the new alignment. */ | |
374 | dst_section->SizeOfRawData = | |
375 | ROUND_UP (dst_section->SizeOfRawData, | |
376 | dst_nt_header->OptionalHeader.FileAlignment); | |
377 | ||
7466aec4 AI |
378 | /* Align the next section's raw data area. */ |
379 | ROUND_UP_DST_AND_ZERO (dst_nt_header->OptionalHeader.FileAlignment); | |
380 | ||
6012853d AI |
381 | section++; |
382 | dst_section++; | |
383 | } | |
384 | ||
6012853d AI |
385 | /* Add the extra section entry (which adds no raw data). */ |
386 | if (new_section_name != NULL) | |
387 | { | |
388 | dst_nt_header->FileHeader.NumberOfSections++; | |
389 | dst_nt_header->OptionalHeader.SizeOfImage += new_section_size; | |
390 | strncpy (dst_section->Name, new_section_name, sizeof (dst_section->Name)); | |
391 | dst_section->VirtualAddress = | |
392 | section[-1].VirtualAddress | |
393 | + ROUND_UP (section[-1].Misc.VirtualSize, | |
394 | dst_nt_header->OptionalHeader.SectionAlignment); | |
395 | dst_section->Misc.VirtualSize = new_section_size; | |
396 | dst_section->PointerToRawData = 0; | |
397 | dst_section->SizeOfRawData = 0; | |
398 | dst_section->Characteristics = | |
399 | IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
400 | | IMAGE_SCN_MEM_READ | |
401 | | IMAGE_SCN_MEM_WRITE; | |
402 | } | |
403 | ||
404 | /* Copy remainder of source image. */ | |
405 | section--; | |
406 | offset = ROUND_UP (section->PointerToRawData + section->SizeOfRawData, | |
407 | nt_header->OptionalHeader.FileAlignment); | |
408 | COPY_CHUNK | |
409 | ("Copying remainder of executable...", | |
410 | OFFSET_TO_PTR (offset, p_infile), | |
d2fcf769 | 411 | p_infile->size - offset, be_verbose); |
6012853d AI |
412 | |
413 | /* Final size for new image. */ | |
414 | p_outfile->size = DST_TO_OFFSET (); | |
415 | ||
416 | /* Now patch up remaining file-relative offsets. */ | |
417 | section = IMAGE_FIRST_SECTION (nt_header); | |
418 | dst_section = IMAGE_FIRST_SECTION (dst_nt_header); | |
419 | ||
420 | #define ADJUST_OFFSET(var) \ | |
421 | do { \ | |
422 | if ((var) != 0) \ | |
423 | (var) = relocate_offset ((var), nt_header, dst_nt_header); \ | |
424 | } while (0) | |
425 | ||
426 | dst_nt_header->OptionalHeader.SizeOfInitializedData = 0; | |
427 | dst_nt_header->OptionalHeader.SizeOfUninitializedData = 0; | |
428 | for (i = 0; i < dst_nt_header->FileHeader.NumberOfSections; i++) | |
429 | { | |
430 | /* Recompute data sizes for completeness. */ | |
431 | if (dst_section[i].Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA) | |
432 | dst_nt_header->OptionalHeader.SizeOfInitializedData += | |
433 | ROUND_UP (dst_section[i].Misc.VirtualSize, dst_nt_header->OptionalHeader.FileAlignment); | |
434 | else if (dst_section[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA) | |
435 | dst_nt_header->OptionalHeader.SizeOfUninitializedData += | |
436 | ROUND_UP (dst_section[i].Misc.VirtualSize, dst_nt_header->OptionalHeader.FileAlignment); | |
437 | ||
438 | ADJUST_OFFSET (dst_section[i].PointerToLinenumbers); | |
439 | } | |
440 | ||
441 | ADJUST_OFFSET (dst_nt_header->FileHeader.PointerToSymbolTable); | |
442 | ||
443 | /* Update offsets in debug directory entries. */ | |
444 | { | |
445 | IMAGE_DATA_DIRECTORY debug_dir = | |
446 | dst_nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG]; | |
447 | PIMAGE_DEBUG_DIRECTORY debug_entry; | |
448 | ||
449 | section = rva_to_section (debug_dir.VirtualAddress, dst_nt_header); | |
450 | if (section) | |
451 | { | |
452 | debug_entry = (PIMAGE_DEBUG_DIRECTORY) | |
453 | (RVA_TO_OFFSET (debug_dir.VirtualAddress, section) + p_outfile->file_base); | |
454 | debug_dir.Size /= sizeof (IMAGE_DEBUG_DIRECTORY); | |
455 | ||
456 | for (i = 0; i < debug_dir.Size; i++, debug_entry++) | |
457 | ADJUST_OFFSET (debug_entry->PointerToRawData); | |
458 | } | |
459 | } | |
460 | } | |
461 | ||
462 | ||
463 | int | |
464 | main (int argc, char **argv) | |
465 | { | |
466 | file_data in_file, out_file; | |
467 | char out_filename[MAX_PATH], in_filename[MAX_PATH]; | |
468 | unsigned long size; | |
469 | PIMAGE_DOS_HEADER dos_header; | |
470 | PIMAGE_NT_HEADERS nt_header; | |
471 | ||
472 | #define OLD_NAME argv[1] | |
473 | #define NEW_NAME argv[2] | |
474 | #define SECTION_NAME argv[3] | |
475 | #define SECTION_SIZE argv[4] | |
476 | ||
477 | strcpy (in_filename, OLD_NAME); | |
478 | strcpy (out_filename, NEW_NAME); | |
479 | ||
480 | printf ("Dumping from %s\n", in_filename); | |
481 | printf (" to %s\n", out_filename); | |
482 | ||
483 | /* Open the undumped executable file. */ | |
484 | if (!open_input_file (&in_file, in_filename)) | |
485 | { | |
177c0ea7 | 486 | printf ("Failed to open %s (%d)...bailing.\n", |
6012853d AI |
487 | in_filename, GetLastError ()); |
488 | exit (1); | |
489 | } | |
490 | dos_header = (PIMAGE_DOS_HEADER) in_file.file_base; | |
491 | nt_header = (PIMAGE_NT_HEADERS) ((char *) dos_header + dos_header->e_lfanew); | |
492 | /* Allow for expansion due to increasing file align to section align. | |
493 | We can overestimate here, since close_file_data will update the | |
494 | size exactly. */ | |
495 | size = in_file.size | |
496 | + nt_header->OptionalHeader.SectionAlignment | |
497 | * nt_header->FileHeader.NumberOfSections; | |
498 | if (!open_output_file (&out_file, out_filename, size)) | |
499 | { | |
177c0ea7 | 500 | printf ("Failed to open %s (%d)...bailing.\n", |
6012853d AI |
501 | out_filename, GetLastError ()); |
502 | exit (1); | |
503 | } | |
504 | ||
505 | copy_executable_and_add_section (&in_file, &out_file, | |
506 | SECTION_NAME, | |
507 | atoi (SECTION_SIZE) * 1024 * 1024); | |
508 | ||
509 | /* Patch up header fields; profiler is picky about this. */ | |
510 | { | |
511 | HANDLE hImagehelp = LoadLibrary ("imagehlp.dll"); | |
512 | DWORD headersum; | |
513 | DWORD checksum; | |
514 | ||
515 | dos_header = (PIMAGE_DOS_HEADER) out_file.file_base; | |
516 | nt_header = (PIMAGE_NT_HEADERS) ((char *) dos_header + dos_header->e_lfanew); | |
517 | ||
518 | nt_header->OptionalHeader.CheckSum = 0; | |
519 | // nt_header->FileHeader.TimeDateStamp = time (NULL); | |
520 | // dos_header->e_cp = size / 512; | |
521 | // nt_header->OptionalHeader.SizeOfImage = size; | |
522 | ||
523 | pfnCheckSumMappedFile = (void *) GetProcAddress (hImagehelp, "CheckSumMappedFile"); | |
524 | if (pfnCheckSumMappedFile) | |
525 | { | |
526 | // nt_header->FileHeader.TimeDateStamp = time (NULL); | |
527 | pfnCheckSumMappedFile (out_file.file_base, | |
528 | out_file.size, | |
529 | &headersum, | |
530 | &checksum); | |
531 | nt_header->OptionalHeader.CheckSum = checksum; | |
532 | } | |
533 | FreeLibrary (hImagehelp); | |
534 | } | |
535 | ||
536 | close_file_data (&in_file); | |
537 | close_file_data (&out_file); | |
538 | ||
539 | return 0; | |
540 | } | |
541 | ||
542 | /* eof */ | |
ab5796a9 | 543 |