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comparison src/unexelfsgi.c @ 394:7d59cb494b73 r21-2-12

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Import from CVS: tag r21-2-12
author cvs
date Mon, 13 Aug 2007 11:11:37 +0200
parents cc15677e0335
children 74fd4e045ea6
comparison
equal deleted inserted replaced
393:2e030b8965b1 394:7d59cb494b73
539 (n)++; } while (0) 539 (n)++; } while (0)
540 typedef unsigned char byte; 540 typedef unsigned char byte;
541 541
542 /* Round X up to a multiple of Y. */ 542 /* Round X up to a multiple of Y. */
543 543
544 int 544 static int
545 round_up (x, y) 545 round_up (int x, int y)
546 int x, y;
547 { 546 {
548 int rem = x % y; 547 int rem = x % y;
549 if (rem == 0) 548 if (rem == 0)
550 return x; 549 return x;
551 return x - rem + y; 550 return x - rem + y;
557 556
558 If we don't find the section NAME, that is a fatal error 557 If we don't find the section NAME, that is a fatal error
559 if NOERROR is 0; we return -1 if NOERROR is nonzero. */ 558 if NOERROR is 0; we return -1 if NOERROR is nonzero. */
560 559
561 static int 560 static int
562 find_section (name, section_names, file_name, old_file_h, old_section_h, noerror) 561 find_section (char *name,
563 char *name; 562 char *section_names,
564 char *section_names; 563 char *file_name,
565 char *file_name; 564 l_Elf_Ehdr *old_file_h,
566 l_Elf_Ehdr *old_file_h; 565 l_Elf_Shdr *old_section_h,
567 l_Elf_Shdr *old_section_h; 566 int noerror)
568 int noerror;
569 { 567 {
570 int idx; 568 int idx;
571 569
572 for (idx = 1; idx < old_file_h->e_shnum; idx++) 570 for (idx = 1; idx < old_file_h->e_shnum; idx++)
573 { 571 {
598 * In ELF, this works by replacing the old .bss section with a new 596 * In ELF, this works by replacing the old .bss section with a new
599 * .data section, and inserting an empty .bss immediately afterwards. 597 * .data section, and inserting an empty .bss immediately afterwards.
600 * 598 *
601 */ 599 */
602 int 600 int
603 unexec (new_name, old_name, data_start, bss_start, entry_address) 601 unexec (char *new_name,
604 char *new_name, *old_name; 602 char *old_name,
605 uintptr_t data_start, bss_start, entry_address; 603 uintptr_t data_start,
604 uintptr_t bss_start,
605 uintptr_t entry_address)
606 { 606 {
607 extern uintptr_t bss_end; 607 extern uintptr_t bss_end;
608 int new_file, old_file, new_file_size; 608 int new_file, old_file, new_file_size;
609 609
610 /* Pointers to the base of the image of the two files. */ 610 /* Pointers to the base of the image of the two files. */