linux-master/fs/binfmt_elf.c

223 	/* Create the ELF interpreter info */
372 	* total_size is the size of the ELF (interpreter) image.
564  * @is_interp:	True if the phdr is from the interpreter of the ELF being
572  * interpreter.
589  * @has_interp:	True if the ELF has an interpreter, else false.
590  * @interp_ehdr: The interpreter's ELF header
632 		struct file *interpreter,
650 	if (!interpreter->f_op->mmap)
675 			map_addr = elf_load(interpreter, load_addr + vaddr,
821 	struct file *interpreter = NULL; /* to shut gcc up */
872 		 * This is the program interpreter used for shared libraries -
893 		interpreter = open_exec(elf_interpreter);
895 		retval = PTR_ERR(interpreter);
896 		if (IS_ERR(interpreter))
901 		 * regardless of the interpreter's permissions.
903 		would_dump(bprm, interpreter);
912 		retval = elf_read(interpreter, interp_elf_ex,
943 	/* Some simple consistency checks for the interpreter */
944 	if (interpreter) {
946 		/* Not an ELF interpreter */
949 		/* Verify the interpreter has a valid arch */
954 		/* Load the interpreter program headers */
956 						   interpreter);
971 							  elf_ppnt, interpreter,
979 	retval = parse_elf_properties(interpreter ?: bprm->file,
990 				!!interpreter, interp_elf_ex,
1011 	/* Do this so that we can load the interpreter, if need be.  We will
1038 				     !!interpreter, false);
1068 			 * _are_ the ELF interpreter). The loaders must
1086 			if (interpreter) {
1199 	if (interpreter) {
1201 					    interpreter,
1219 		allow_write_access(interpreter);
1220 		fput(interpreter);
1237 	retval = ARCH_SETUP_ADDITIONAL_PAGES(bprm, elf_ex, !!interpreter);
1257 		 * a loader directly (i.e. no interpreter listed in ELF
1263 		    elf_ex->e_type == ET_DYN && !interpreter) {
1308 	allow_write_access(interpreter);
1309 	if (interpreter)
1310 		fput(interpreter);