44 write_file (Elf *elf, off_t size, int change_bo, size_t shnum)  in write_file()  argument
46   int class = elf->class;  in write_file()
50   if (unlikely (fstat (elf->fildes, &st) != 0))  in write_file()
61   if (elf->parent == NULL  in write_file()
62       && (elf->maximum_size == ~((size_t) 0)  in write_file()
63 	  || (size_t) size > elf->maximum_size)  in write_file()
64       && unlikely (ftruncate (elf->fildes, size) != 0))  in write_file()
71   if (elf->map_address == NULL && elf->cmd == ELF_C_WRITE_MMAP)  in write_file()
73       elf->map_address = mmap (NULL, size, PROT_READ | PROT_WRITE,  in write_file()
74 			       MAP_SHARED, elf->fildes, 0);  in write_file()
75       if (unlikely (elf->map_address == MAP_FAILED))  in write_file()
76 	elf->map_address = NULL;  in write_file()
79   if (elf->map_address != NULL)  in write_file()
92       if (elf->parent == NULL  in write_file()
93 	  && (elf->maximum_size == ~((size_t) 0)  in write_file()
94 	      || (size_t) size > elf->maximum_size)  in write_file()
95 	  && unlikely (posix_fallocate (elf->fildes, 0, size) != 0))  in write_file()
104 	   ? __elf32_updatemmap (elf, change_bo, shnum)  in write_file()
105 	   : __elf64_updatemmap (elf, change_bo, shnum)) != 0)  in write_file()
113 	   ? __elf32_updatefile (elf, change_bo, shnum)  in write_file()
114 	   : __elf64_updatefile (elf, change_bo, shnum)) != 0)  in write_file()
121       && elf->parent == NULL  in write_file()
122       && elf->maximum_size != ~((size_t) 0)  in write_file()
123       && (size_t) size < elf->maximum_size  in write_file()
124       && unlikely (ftruncate (elf->fildes, size) != 0))  in write_file()
136       && unlikely (fchmod (elf->fildes, st.st_mode) != 0))  in write_file()
142   if (size != -1 && elf->parent == NULL)  in write_file()
143     elf->maximum_size = size;  in write_file()
150 elf_update (Elf *elf, Elf_Cmd cmd)  in elf_update()  argument
164   if (elf == NULL)  in elf_update()
167   if (elf->kind != ELF_K_ELF)  in elf_update()
173   rwlock_wrlock (elf->lock);  in elf_update()
175   /* Make sure we have an ELF header.  */  in elf_update()
176   if (elf->state.elf.ehdr == NULL)  in elf_update()
184   shnum = (elf->state.elf.scns_last->cnt == 0  in elf_update()
186 	   : 1 + elf->state.elf.scns_last->data[elf->state.elf.scns_last->cnt - 1].index);  in elf_update()
188   /* Update the ELF descriptor.  First, place the program header.  It  in elf_update()
189      will come right after the ELF header.  The count the size of all  in elf_update()
191   size = (elf->class == ELFCLASS32  in elf_update()
192 	  ? __elf32_updatenull_wrlock (elf, &change_bo, shnum)  in elf_update()
193 	  : __elf64_updatenull_wrlock (elf, &change_bo, shnum));  in elf_update()
198       if (elf->cmd != ELF_C_RDWR  in elf_update()
199 	  && elf->cmd != ELF_C_RDWR_MMAP  in elf_update()
200 	  && elf->cmd != ELF_C_WRITE  in elf_update()
201 	  && unlikely (elf->cmd != ELF_C_WRITE_MMAP))  in elf_update()
206       else if (unlikely (elf->fildes == -1))  in elf_update()
213 	size = write_file (elf, size, change_bo, shnum);  in elf_update()
217   rwlock_unlock (elf->lock);  in elf_update()