43 write_file (Elf *elf, off_t size, int change_bo, size_t shnum)  in write_file()  argument
45   int class = elf->class;  in write_file()
49   if (unlikely (fstat (elf->fildes, &st) != 0))  in write_file()
60   if (elf->parent == NULL  in write_file()
61       && (elf->maximum_size == ~((size_t) 0)  in write_file()
62 	  || (size_t) size > elf->maximum_size)  in write_file()
63       && unlikely (ftruncate (elf->fildes, size) != 0))  in write_file()
70   if (elf->map_address == NULL && elf->cmd == ELF_C_WRITE_MMAP)  in write_file()
72       elf->map_address = mmap (NULL, size, PROT_READ | PROT_WRITE,  in write_file()
73 			       MAP_SHARED, elf->fildes, 0);  in write_file()
74       if (unlikely (elf->map_address == MAP_FAILED))  in write_file()
75 	elf->map_address = NULL;  in write_file()
78   if (elf->map_address != NULL)  in write_file()
82 	   ? __elf32_updatemmap (elf, change_bo, shnum)  in write_file()
83 	   : __elf64_updatemmap (elf, change_bo, shnum)) != 0)  in write_file()
91 	   ? __elf32_updatefile (elf, change_bo, shnum)  in write_file()
92 	   : __elf64_updatefile (elf, change_bo, shnum)) != 0)  in write_file()
98       && elf->parent == NULL  in write_file()
99       && elf->maximum_size != ~((size_t) 0)  in write_file()
100       && (size_t) size < elf->maximum_size  in write_file()
101       && unlikely (ftruncate (elf->fildes, size) != 0))  in write_file()
113       && unlikely (fchmod (elf->fildes, st.st_mode) != 0))  in write_file()
119   if (size != -1 && elf->parent == NULL)  in write_file()
120     elf->maximum_size = size;  in write_file()
127 elf_update (elf, cmd)  in elf_update()  argument
128      Elf *elf;  in elf_update()
143   if (elf == NULL)
146   if (elf->kind != ELF_K_ELF)
152   rwlock_wrlock (elf->lock);
154   /* Make sure we have an ELF header.  */
155   if (elf->state.elf.ehdr == NULL)
163   shnum = (elf->state.elf.scns_last->cnt == 0
165 	   : 1 + elf->state.elf.scns_last->data[elf->state.elf.scns_last->cnt - 1].index);
167   /* Update the ELF descriptor.  First, place the program header.  It
168      will come right after the ELF header.  The count the size of all
170   size = (elf->class == ELFCLASS32
171 	  ? __elf32_updatenull_wrlock (elf, &change_bo, shnum)
172 	  : __elf64_updatenull_wrlock (elf, &change_bo, shnum));
177       if (elf->cmd != ELF_C_RDWR
178 	  && elf->cmd != ELF_C_RDWR_MMAP
179 	  && elf->cmd != ELF_C_WRITE
180 	  && unlikely (elf->cmd != ELF_C_WRITE_MMAP))
185       else if (unlikely (elf->fildes == -1))
192 	size = write_file (elf, size, change_bo, shnum);
196   rwlock_unlock (elf->lock);