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6012853d | 1 | /* Add an uninitialized data section to an executable. |
eef0be9e GM |
2 | Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
3 | 2008 Free Software Foundation, Inc. | |
6012853d AI |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
eef0be9e | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
6012853d | 8 | it under the terms of the GNU General Public License as published by |
eef0be9e GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
6012853d AI |
11 | |
12 | GNU Emacs 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 | |
eef0be9e GM |
18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
19 | ||
6012853d AI |
20 | |
21 | Andrew Innes <andrewi@harlequin.co.uk> 04-Jan-1999 | |
22 | based on code from unexw32.c | |
23 | */ | |
24 | ||
25 | #include <stdlib.h> | |
26 | #include <stdio.h> | |
27 | #include <fcntl.h> | |
28 | #include <time.h> | |
a1375c9f AI |
29 | #ifdef __GNUC__ |
30 | #define _ANONYMOUS_UNION | |
31 | #define _ANONYMOUS_STRUCT | |
32 | #endif | |
6012853d AI |
33 | #include <windows.h> |
34 | ||
35 | /* Include relevant definitions from IMAGEHLP.H, which can be found | |
36 | in \\win32sdk\mstools\samples\image\include\imagehlp.h. */ | |
37 | ||
38 | PIMAGE_NT_HEADERS | |
39 | (__stdcall * pfnCheckSumMappedFile) (LPVOID BaseAddress, | |
40 | DWORD FileLength, | |
41 | LPDWORD HeaderSum, | |
42 | LPDWORD CheckSum); | |
43 | ||
44 | #undef min | |
45 | #undef max | |
46 | #define min(x, y) (((x) < (y)) ? (x) : (y)) | |
47 | #define max(x, y) (((x) > (y)) ? (x) : (y)) | |
48 | ||
49 | ||
50 | /* File handling. */ | |
51 | ||
52 | typedef struct file_data { | |
53 | char *name; | |
54 | unsigned long size; | |
55 | HANDLE file; | |
56 | HANDLE file_mapping; | |
57 | unsigned char *file_base; | |
58 | } file_data; | |
59 | ||
60 | int | |
61 | open_input_file (file_data *p_file, char *filename) | |
62 | { | |
63 | HANDLE file; | |
64 | HANDLE file_mapping; | |
65 | void *file_base; | |
66 | unsigned long size, upper_size; | |
67 | ||
68 | file = CreateFile (filename, GENERIC_READ, FILE_SHARE_READ, NULL, | |
69 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); | |
177c0ea7 | 70 | if (file == INVALID_HANDLE_VALUE) |
6012853d AI |
71 | return FALSE; |
72 | ||
73 | size = GetFileSize (file, &upper_size); | |
177c0ea7 | 74 | file_mapping = CreateFileMapping (file, NULL, PAGE_READONLY, |
6012853d | 75 | 0, size, NULL); |
177c0ea7 | 76 | if (!file_mapping) |
6012853d AI |
77 | return FALSE; |
78 | ||
79 | file_base = MapViewOfFile (file_mapping, FILE_MAP_READ, 0, 0, size); | |
177c0ea7 | 80 | if (file_base == 0) |
6012853d AI |
81 | return FALSE; |
82 | ||
83 | p_file->name = filename; | |
84 | p_file->size = size; | |
85 | p_file->file = file; | |
86 | p_file->file_mapping = file_mapping; | |
87 | p_file->file_base = file_base; | |
88 | ||
89 | return TRUE; | |
90 | } | |
91 | ||
92 | int | |
93 | open_output_file (file_data *p_file, char *filename, unsigned long size) | |
94 | { | |
95 | HANDLE file; | |
96 | HANDLE file_mapping; | |
97 | void *file_base; | |
98 | ||
99 | file = CreateFile (filename, GENERIC_READ | GENERIC_WRITE, 0, NULL, | |
100 | CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); | |
177c0ea7 | 101 | if (file == INVALID_HANDLE_VALUE) |
6012853d AI |
102 | return FALSE; |
103 | ||
177c0ea7 | 104 | file_mapping = CreateFileMapping (file, NULL, PAGE_READWRITE, |
6012853d | 105 | 0, size, NULL); |
177c0ea7 | 106 | if (!file_mapping) |
6012853d | 107 | return FALSE; |
177c0ea7 | 108 | |
6012853d | 109 | file_base = MapViewOfFile (file_mapping, FILE_MAP_WRITE, 0, 0, size); |
177c0ea7 | 110 | if (file_base == 0) |
6012853d | 111 | return FALSE; |
177c0ea7 | 112 | |
6012853d AI |
113 | p_file->name = filename; |
114 | p_file->size = size; | |
115 | p_file->file = file; | |
116 | p_file->file_mapping = file_mapping; | |
117 | p_file->file_base = file_base; | |
118 | ||
119 | return TRUE; | |
120 | } | |
121 | ||
122 | /* Close the system structures associated with the given file. */ | |
123 | void | |
124 | close_file_data (file_data *p_file) | |
125 | { | |
126 | UnmapViewOfFile (p_file->file_base); | |
127 | CloseHandle (p_file->file_mapping); | |
128 | /* For the case of output files, set final size. */ | |
129 | SetFilePointer (p_file->file, p_file->size, NULL, FILE_BEGIN); | |
130 | SetEndOfFile (p_file->file); | |
131 | CloseHandle (p_file->file); | |
132 | } | |
133 | ||
134 | ||
135 | /* Routines to manipulate NT executable file sections. */ | |
136 | ||
137 | unsigned long | |
138 | get_unrounded_section_size (PIMAGE_SECTION_HEADER p_section) | |
139 | { | |
140 | /* The true section size, before rounding, for an initialized data or | |
141 | code section. (Supposedly some linkers swap the meaning of these | |
142 | two values.) */ | |
143 | return min (p_section->SizeOfRawData, | |
144 | p_section->Misc.VirtualSize); | |
145 | } | |
146 | ||
147 | /* Return pointer to section header for named section. */ | |
148 | IMAGE_SECTION_HEADER * | |
149 | find_section (char * name, IMAGE_NT_HEADERS * nt_header) | |
150 | { | |
151 | PIMAGE_SECTION_HEADER section; | |
152 | int i; | |
153 | ||
154 | section = IMAGE_FIRST_SECTION (nt_header); | |
155 | ||
156 | for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) | |
157 | { | |
158 | if (strcmp (section->Name, name) == 0) | |
159 | return section; | |
160 | section++; | |
161 | } | |
162 | return NULL; | |
163 | } | |
164 | ||
165 | /* Return pointer to section header for section containing the given | |
166 | relative virtual address. */ | |
167 | IMAGE_SECTION_HEADER * | |
168 | rva_to_section (DWORD rva, IMAGE_NT_HEADERS * nt_header) | |
169 | { | |
170 | PIMAGE_SECTION_HEADER section; | |
171 | int i; | |
172 | ||
173 | section = IMAGE_FIRST_SECTION (nt_header); | |
174 | ||
175 | for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) | |
176 | { | |
177 | /* Some linkers (eg. the NT SDK linker I believe) swapped the | |
178 | meaning of these two values - or rather, they ignored | |
179 | VirtualSize entirely and always set it to zero. This affects | |
180 | some very old exes (eg. gzip dated Dec 1993). Since | |
181 | w32_executable_type relies on this function to work reliably, | |
182 | we need to cope with this. */ | |
183 | DWORD real_size = max (section->SizeOfRawData, | |
184 | section->Misc.VirtualSize); | |
185 | if (rva >= section->VirtualAddress | |
186 | && rva < section->VirtualAddress + real_size) | |
187 | return section; | |
188 | section++; | |
189 | } | |
190 | return NULL; | |
191 | } | |
192 | ||
193 | /* Return pointer to section header for section containing the given | |
194 | offset in its raw data area. */ | |
195 | IMAGE_SECTION_HEADER * | |
196 | offset_to_section (DWORD offset, IMAGE_NT_HEADERS * nt_header) | |
197 | { | |
198 | PIMAGE_SECTION_HEADER section; | |
199 | int i; | |
200 | ||
201 | section = IMAGE_FIRST_SECTION (nt_header); | |
202 | ||
203 | for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) | |
204 | { | |
205 | if (offset >= section->PointerToRawData | |
206 | && offset < section->PointerToRawData + section->SizeOfRawData) | |
207 | return section; | |
208 | section++; | |
209 | } | |
210 | return NULL; | |
211 | } | |
212 | ||
213 | /* Return offset to an object in dst, given offset in src. We assume | |
214 | there is at least one section in both src and dst images, and that | |
215 | the some sections may have been added to dst (after sections in src). */ | |
216 | static DWORD | |
217 | relocate_offset (DWORD offset, | |
218 | IMAGE_NT_HEADERS * src_nt_header, | |
219 | IMAGE_NT_HEADERS * dst_nt_header) | |
220 | { | |
221 | PIMAGE_SECTION_HEADER src_section = IMAGE_FIRST_SECTION (src_nt_header); | |
222 | PIMAGE_SECTION_HEADER dst_section = IMAGE_FIRST_SECTION (dst_nt_header); | |
223 | int i = 0; | |
224 | ||
225 | while (offset >= src_section->PointerToRawData) | |
226 | { | |
227 | if (offset < src_section->PointerToRawData + src_section->SizeOfRawData) | |
228 | break; | |
229 | i++; | |
230 | if (i == src_nt_header->FileHeader.NumberOfSections) | |
231 | { | |
232 | /* Handle offsets after the last section. */ | |
233 | dst_section = IMAGE_FIRST_SECTION (dst_nt_header); | |
234 | dst_section += dst_nt_header->FileHeader.NumberOfSections - 1; | |
235 | while (dst_section->PointerToRawData == 0) | |
236 | dst_section--; | |
237 | while (src_section->PointerToRawData == 0) | |
238 | src_section--; | |
239 | return offset | |
240 | + (dst_section->PointerToRawData + dst_section->SizeOfRawData) | |
241 | - (src_section->PointerToRawData + src_section->SizeOfRawData); | |
242 | } | |
243 | src_section++; | |
244 | dst_section++; | |
245 | } | |
246 | return offset + | |
247 | (dst_section->PointerToRawData - src_section->PointerToRawData); | |
248 | } | |
249 | ||
250 | #define OFFSET_TO_RVA(offset, section) \ | |
251 | (section->VirtualAddress + ((DWORD)(offset) - section->PointerToRawData)) | |
252 | ||
253 | #define RVA_TO_OFFSET(rva, section) \ | |
254 | (section->PointerToRawData + ((DWORD)(rva) - section->VirtualAddress)) | |
255 | ||
256 | #define RVA_TO_SECTION_OFFSET(rva, section) \ | |
257 | ((DWORD)(rva) - section->VirtualAddress) | |
258 | ||
259 | /* Convert address in executing image to RVA. */ | |
260 | #define PTR_TO_RVA(ptr) ((DWORD)(ptr) - (DWORD) GetModuleHandle (NULL)) | |
261 | ||
262 | #define PTR_TO_OFFSET(ptr, pfile_data) \ | |
a56e5d17 | 263 | ((unsigned char *)(ptr) - (pfile_data)->file_base) |
6012853d AI |
264 | |
265 | #define OFFSET_TO_PTR(offset, pfile_data) \ | |
266 | ((pfile_data)->file_base + (DWORD)(offset)) | |
267 | ||
268 | #define ROUND_UP(p, align) (((DWORD)(p) + (align)-1) & ~((align)-1)) | |
269 | #define ROUND_DOWN(p, align) ((DWORD)(p) & ~((align)-1)) | |
270 | ||
271 | ||
272 | static void | |
177c0ea7 | 273 | copy_executable_and_add_section (file_data *p_infile, |
6012853d AI |
274 | file_data *p_outfile, |
275 | char *new_section_name, | |
276 | DWORD new_section_size) | |
277 | { | |
278 | unsigned char *dst; | |
279 | PIMAGE_DOS_HEADER dos_header; | |
280 | PIMAGE_NT_HEADERS nt_header; | |
281 | PIMAGE_NT_HEADERS dst_nt_header; | |
282 | PIMAGE_SECTION_HEADER section; | |
283 | PIMAGE_SECTION_HEADER dst_section; | |
284 | DWORD offset; | |
285 | int i; | |
d2fcf769 | 286 | int be_verbose = GetEnvironmentVariable ("DEBUG_DUMP", NULL, 0) > 0; |
6012853d | 287 | |
d2fcf769 | 288 | #define COPY_CHUNK(message, src, size, verbose) \ |
6012853d AI |
289 | do { \ |
290 | unsigned char *s = (void *)(src); \ | |
291 | unsigned long count = (size); \ | |
d2fcf769 EZ |
292 | if (verbose) \ |
293 | { \ | |
294 | printf ("%s\n", (message)); \ | |
295 | printf ("\t0x%08x Offset in input file.\n", s - p_infile->file_base); \ | |
296 | printf ("\t0x%08x Offset in output file.\n", dst - p_outfile->file_base); \ | |
297 | printf ("\t0x%08x Size in bytes.\n", count); \ | |
298 | } \ | |
6012853d AI |
299 | memcpy (dst, s, count); \ |
300 | dst += count; \ | |
301 | } while (0) | |
302 | ||
303 | #define DST_TO_OFFSET() PTR_TO_OFFSET (dst, p_outfile) | |
7466aec4 AI |
304 | #define ROUND_UP_DST_AND_ZERO(align) \ |
305 | do { \ | |
306 | unsigned char *newdst = p_outfile->file_base \ | |
307 | + ROUND_UP (DST_TO_OFFSET (), (align)); \ | |
308 | /* Zero the alignment slop; it may actually initialize real data. */ \ | |
309 | memset (dst, 0, newdst - dst); \ | |
310 | dst = newdst; \ | |
311 | } while (0) | |
6012853d AI |
312 | |
313 | /* Copy the source image sequentially, ie. section by section after | |
314 | copying the headers and section table, to simplify the process of | |
315 | adding an extra section table entry (which might force the raw | |
316 | section data to be relocated). | |
317 | ||
318 | Note that dst is updated implicitly by each COPY_CHUNK. */ | |
319 | ||
320 | dos_header = (PIMAGE_DOS_HEADER) p_infile->file_base; | |
177c0ea7 | 321 | nt_header = (PIMAGE_NT_HEADERS) (((unsigned long) dos_header) + |
6012853d AI |
322 | dos_header->e_lfanew); |
323 | section = IMAGE_FIRST_SECTION (nt_header); | |
177c0ea7 | 324 | |
6012853d AI |
325 | dst = (unsigned char *) p_outfile->file_base; |
326 | ||
327 | COPY_CHUNK ("Copying DOS header...", dos_header, | |
d2fcf769 | 328 | (DWORD) nt_header - (DWORD) dos_header, be_verbose); |
6012853d AI |
329 | dst_nt_header = (PIMAGE_NT_HEADERS) dst; |
330 | COPY_CHUNK ("Copying NT header...", nt_header, | |
d2fcf769 | 331 | (DWORD) section - (DWORD) nt_header, be_verbose); |
6012853d AI |
332 | dst_section = (PIMAGE_SECTION_HEADER) dst; |
333 | COPY_CHUNK ("Copying section table...", section, | |
d2fcf769 EZ |
334 | nt_header->FileHeader.NumberOfSections * sizeof (*section), |
335 | be_verbose); | |
6012853d AI |
336 | |
337 | /* To improve the efficiency of demand loading, make the file | |
338 | alignment match the section alignment (VC++ 6.0 does this by | |
339 | default anyway). */ | |
340 | dst_nt_header->OptionalHeader.FileAlignment = | |
341 | dst_nt_header->OptionalHeader.SectionAlignment; | |
342 | ||
343 | /* Add an uninitialized data section at the end, of the specified name | |
344 | and virtual size. */ | |
345 | if (find_section (new_section_name, nt_header) == NULL) | |
346 | /* Leave room for extra section table entry; filled in below. */ | |
347 | dst += sizeof (*section); | |
348 | else | |
349 | new_section_name = NULL; | |
350 | ||
7466aec4 AI |
351 | /* Align the first section's raw data area, and set the header size |
352 | field accordingly. */ | |
353 | ROUND_UP_DST_AND_ZERO (dst_nt_header->OptionalHeader.FileAlignment); | |
354 | dst_nt_header->OptionalHeader.SizeOfHeaders = DST_TO_OFFSET (); | |
355 | ||
6012853d AI |
356 | for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) |
357 | { | |
358 | char msg[100]; | |
d2fcf769 EZ |
359 | /* Windows section names are fixed 8-char strings, only |
360 | zero-terminated if the name is shorter than 8 characters. */ | |
361 | sprintf (msg, "Copying raw data for %.8s...", section->Name); | |
6012853d | 362 | |
6012853d AI |
363 | /* Update the file-relative offset for this section's raw data (if |
364 | it has any) in case things have been relocated; we will update | |
365 | the other offsets below once we know where everything is. */ | |
366 | if (dst_section->PointerToRawData) | |
367 | dst_section->PointerToRawData = DST_TO_OFFSET (); | |
368 | ||
369 | /* Can always copy the original raw data. */ | |
370 | COPY_CHUNK | |
371 | (msg, OFFSET_TO_PTR (section->PointerToRawData, p_infile), | |
d2fcf769 | 372 | section->SizeOfRawData, be_verbose); |
6012853d AI |
373 | |
374 | /* Round up the raw data size to the new alignment. */ | |
375 | dst_section->SizeOfRawData = | |
376 | ROUND_UP (dst_section->SizeOfRawData, | |
377 | dst_nt_header->OptionalHeader.FileAlignment); | |
378 | ||
7466aec4 AI |
379 | /* Align the next section's raw data area. */ |
380 | ROUND_UP_DST_AND_ZERO (dst_nt_header->OptionalHeader.FileAlignment); | |
381 | ||
6012853d AI |
382 | section++; |
383 | dst_section++; | |
384 | } | |
385 | ||
6012853d AI |
386 | /* Add the extra section entry (which adds no raw data). */ |
387 | if (new_section_name != NULL) | |
388 | { | |
389 | dst_nt_header->FileHeader.NumberOfSections++; | |
390 | dst_nt_header->OptionalHeader.SizeOfImage += new_section_size; | |
391 | strncpy (dst_section->Name, new_section_name, sizeof (dst_section->Name)); | |
392 | dst_section->VirtualAddress = | |
393 | section[-1].VirtualAddress | |
394 | + ROUND_UP (section[-1].Misc.VirtualSize, | |
395 | dst_nt_header->OptionalHeader.SectionAlignment); | |
396 | dst_section->Misc.VirtualSize = new_section_size; | |
397 | dst_section->PointerToRawData = 0; | |
398 | dst_section->SizeOfRawData = 0; | |
399 | dst_section->Characteristics = | |
400 | IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
401 | | IMAGE_SCN_MEM_READ | |
402 | | IMAGE_SCN_MEM_WRITE; | |
403 | } | |
404 | ||
405 | /* Copy remainder of source image. */ | |
406 | section--; | |
407 | offset = ROUND_UP (section->PointerToRawData + section->SizeOfRawData, | |
408 | nt_header->OptionalHeader.FileAlignment); | |
409 | COPY_CHUNK | |
410 | ("Copying remainder of executable...", | |
411 | OFFSET_TO_PTR (offset, p_infile), | |
d2fcf769 | 412 | p_infile->size - offset, be_verbose); |
6012853d AI |
413 | |
414 | /* Final size for new image. */ | |
415 | p_outfile->size = DST_TO_OFFSET (); | |
416 | ||
417 | /* Now patch up remaining file-relative offsets. */ | |
418 | section = IMAGE_FIRST_SECTION (nt_header); | |
419 | dst_section = IMAGE_FIRST_SECTION (dst_nt_header); | |
420 | ||
421 | #define ADJUST_OFFSET(var) \ | |
422 | do { \ | |
423 | if ((var) != 0) \ | |
424 | (var) = relocate_offset ((var), nt_header, dst_nt_header); \ | |
425 | } while (0) | |
426 | ||
427 | dst_nt_header->OptionalHeader.SizeOfInitializedData = 0; | |
428 | dst_nt_header->OptionalHeader.SizeOfUninitializedData = 0; | |
429 | for (i = 0; i < dst_nt_header->FileHeader.NumberOfSections; i++) | |
430 | { | |
431 | /* Recompute data sizes for completeness. */ | |
432 | if (dst_section[i].Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA) | |
433 | dst_nt_header->OptionalHeader.SizeOfInitializedData += | |
434 | ROUND_UP (dst_section[i].Misc.VirtualSize, dst_nt_header->OptionalHeader.FileAlignment); | |
435 | else if (dst_section[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA) | |
436 | dst_nt_header->OptionalHeader.SizeOfUninitializedData += | |
437 | ROUND_UP (dst_section[i].Misc.VirtualSize, dst_nt_header->OptionalHeader.FileAlignment); | |
438 | ||
439 | ADJUST_OFFSET (dst_section[i].PointerToLinenumbers); | |
440 | } | |
441 | ||
442 | ADJUST_OFFSET (dst_nt_header->FileHeader.PointerToSymbolTable); | |
443 | ||
444 | /* Update offsets in debug directory entries. */ | |
445 | { | |
446 | IMAGE_DATA_DIRECTORY debug_dir = | |
447 | dst_nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG]; | |
448 | PIMAGE_DEBUG_DIRECTORY debug_entry; | |
449 | ||
450 | section = rva_to_section (debug_dir.VirtualAddress, dst_nt_header); | |
451 | if (section) | |
452 | { | |
453 | debug_entry = (PIMAGE_DEBUG_DIRECTORY) | |
454 | (RVA_TO_OFFSET (debug_dir.VirtualAddress, section) + p_outfile->file_base); | |
455 | debug_dir.Size /= sizeof (IMAGE_DEBUG_DIRECTORY); | |
456 | ||
457 | for (i = 0; i < debug_dir.Size; i++, debug_entry++) | |
458 | ADJUST_OFFSET (debug_entry->PointerToRawData); | |
459 | } | |
460 | } | |
461 | } | |
462 | ||
463 | ||
464 | int | |
465 | main (int argc, char **argv) | |
466 | { | |
467 | file_data in_file, out_file; | |
468 | char out_filename[MAX_PATH], in_filename[MAX_PATH]; | |
469 | unsigned long size; | |
470 | PIMAGE_DOS_HEADER dos_header; | |
471 | PIMAGE_NT_HEADERS nt_header; | |
472 | ||
473 | #define OLD_NAME argv[1] | |
474 | #define NEW_NAME argv[2] | |
475 | #define SECTION_NAME argv[3] | |
476 | #define SECTION_SIZE argv[4] | |
477 | ||
478 | strcpy (in_filename, OLD_NAME); | |
479 | strcpy (out_filename, NEW_NAME); | |
480 | ||
481 | printf ("Dumping from %s\n", in_filename); | |
482 | printf (" to %s\n", out_filename); | |
483 | ||
484 | /* Open the undumped executable file. */ | |
485 | if (!open_input_file (&in_file, in_filename)) | |
486 | { | |
177c0ea7 | 487 | printf ("Failed to open %s (%d)...bailing.\n", |
6012853d AI |
488 | in_filename, GetLastError ()); |
489 | exit (1); | |
490 | } | |
491 | dos_header = (PIMAGE_DOS_HEADER) in_file.file_base; | |
492 | nt_header = (PIMAGE_NT_HEADERS) ((char *) dos_header + dos_header->e_lfanew); | |
493 | /* Allow for expansion due to increasing file align to section align. | |
494 | We can overestimate here, since close_file_data will update the | |
495 | size exactly. */ | |
496 | size = in_file.size | |
497 | + nt_header->OptionalHeader.SectionAlignment | |
498 | * nt_header->FileHeader.NumberOfSections; | |
499 | if (!open_output_file (&out_file, out_filename, size)) | |
500 | { | |
177c0ea7 | 501 | printf ("Failed to open %s (%d)...bailing.\n", |
6012853d AI |
502 | out_filename, GetLastError ()); |
503 | exit (1); | |
504 | } | |
505 | ||
506 | copy_executable_and_add_section (&in_file, &out_file, | |
507 | SECTION_NAME, | |
508 | atoi (SECTION_SIZE) * 1024 * 1024); | |
509 | ||
510 | /* Patch up header fields; profiler is picky about this. */ | |
511 | { | |
512 | HANDLE hImagehelp = LoadLibrary ("imagehlp.dll"); | |
513 | DWORD headersum; | |
514 | DWORD checksum; | |
515 | ||
516 | dos_header = (PIMAGE_DOS_HEADER) out_file.file_base; | |
517 | nt_header = (PIMAGE_NT_HEADERS) ((char *) dos_header + dos_header->e_lfanew); | |
518 | ||
519 | nt_header->OptionalHeader.CheckSum = 0; | |
520 | // nt_header->FileHeader.TimeDateStamp = time (NULL); | |
521 | // dos_header->e_cp = size / 512; | |
522 | // nt_header->OptionalHeader.SizeOfImage = size; | |
523 | ||
524 | pfnCheckSumMappedFile = (void *) GetProcAddress (hImagehelp, "CheckSumMappedFile"); | |
525 | if (pfnCheckSumMappedFile) | |
526 | { | |
527 | // nt_header->FileHeader.TimeDateStamp = time (NULL); | |
528 | pfnCheckSumMappedFile (out_file.file_base, | |
529 | out_file.size, | |
530 | &headersum, | |
531 | &checksum); | |
532 | nt_header->OptionalHeader.CheckSum = checksum; | |
533 | } | |
534 | FreeLibrary (hImagehelp); | |
535 | } | |
536 | ||
537 | close_file_data (&in_file); | |
538 | close_file_data (&out_file); | |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
543 | /* eof */ | |
ab5796a9 MB |
544 | |
545 | /* arch-tag: 17e2b0aa-8c17-4bd1-b24b-1cda689245fa | |
546 | (do not change this comment) */ |